./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1104578823 <...> getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./328/file0") = 0 [pid 5069] getdents64(3, [pid 11415] set_robust_list(0x555589d386a0, 24 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] <... umount2 resumed>) = 0 [pid 11415] <... set_robust_list resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] umount2("./328/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11415] chdir("./328" [pid 5071] ioctl(3, LOOP_CLR_FD [pid 11415] <... chdir resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] close(3) = 0 [pid 5067] newfstatat(AT_FDCWD, "./328/file0", [pid 11415] <... prctl resumed>) = 0 [pid 5069] rmdir("./328" [pid 11415] setpgid(0, 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11415] <... setpgid resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] umount2("./328/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] mkdir("./329", 0777 [pid 5067] openat(AT_FDCWD, "./328/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... mkdir resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 11415] <... openat resumed>) = 3 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11415] write(3, "1000", 4 [pid 5067] getdents64(4, [pid 11415] <... write resumed>) = 4 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11415] close(3) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5067] getdents64(4, [pid 11415] symlink("/dev/binderfs", "./binderfs" [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11415] <... symlink resumed>) = 0 [pid 5067] close(4 [pid 11415] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... close resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 5067] rmdir("./328/file0" [pid 11415] <... futex resumed>) = 0 [pid 11415] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11415] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5068] close(3 [pid 11415] <... mprotect resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 11415] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] getdents64(3, ./strace-static-x86_64: Process 11416 attached [pid 11415] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] close(3 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11416 [pid 5067] close(3 [pid 5071] <... close resumed>) = 0 [pid 11416] set_robust_list(0x555589d386a0, 24 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... close resumed>) = 0 [pid 11415] <... clone3 resumed> => {parent_tid=[11417]}, 88) = 11417 [pid 11415] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11417 attached NULL, 8) = 0 [pid 11417] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11415] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11417] <... rseq resumed>) = 0 [pid 11415] <... futex resumed>) = 0 [pid 11417] set_robust_list(0x7f43d31679a0, 24 [pid 11415] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] rmdir("./328" [pid 11417] <... set_robust_list resumed>) = 0 [pid 11416] <... set_robust_list resumed>) = 0 [pid 11417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11416] chdir("./326" [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11418 ./strace-static-x86_64: Process 11418 attached [pid 11417] memfd_create("syzkaller", 0 [pid 11416] <... chdir resumed>) = 0 [pid 11418] set_robust_list(0x555589d386a0, 24 [pid 11417] <... memfd_create resumed>) = 3 [pid 11416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11418] <... set_robust_list resumed>) = 0 [pid 11417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11416] <... prctl resumed>) = 0 [pid 11418] chdir("./331" [pid 11417] <... mmap resumed>) = 0x7f43cac00000 [pid 11418] <... chdir resumed>) = 0 [pid 11416] setpgid(0, 0 [pid 11418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11416] <... setpgid resumed>) = 0 [pid 11418] <... prctl resumed>) = 0 [pid 11416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11418] setpgid(0, 0) = 0 [pid 11417] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11416] <... openat resumed>) = 3 [pid 11418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11416] write(3, "1000", 4 [pid 5069] <... ioctl resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 11416] <... write resumed>) = 4 [pid 5067] mkdir("./329", 0777 [pid 11416] close(3 [pid 5067] <... mkdir resumed>) = 0 [pid 11418] <... openat resumed>) = 3 [pid 11416] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11416] symlink("/dev/binderfs", "./binderfs" [pid 5067] <... openat resumed>) = 3 [pid 11418] write(3, "1000", 4 [pid 11416] <... symlink resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11418] <... write resumed>) = 4 [pid 11416] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11418] close(3 [pid 11416] <... futex resumed>) = 0 [pid 11418] <... close resumed>) = 0 [pid 11417] <... write resumed>) = 1048576 [pid 11416] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11418] symlink("/dev/binderfs", "./binderfs" [pid 11416] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5069] close(3 [pid 11418] <... symlink resumed>) = 0 [pid 11417] munmap(0x7f43cac00000, 138412032 [pid 11416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] <... close resumed>) = 0 [pid 11418] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11418] <... futex resumed>) = 0 [pid 11416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11418] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11417] <... munmap resumed>) = 0 [pid 11416] <... mmap resumed>) = 0x7f43d3147000 [pid 11418] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11416] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11416] <... mprotect resumed>) = 0 [pid 11418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11416] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 11419 attached [pid 11418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11416] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11418] <... mmap resumed>) = 0x7f43d3147000 [pid 11417] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11419] set_robust_list(0x555589d386a0, 24 [pid 11418] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11417] ioctl(4, LOOP_SET_FD, 3 [pid 11416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11419 [pid 11419] <... set_robust_list resumed>) = 0 [pid 11418] <... mprotect resumed>) = 0 [pid 11419] chdir("./329" [pid 11418] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11416] <... clone3 resumed> => {parent_tid=[11420]}, 88) = 11420 [pid 11419] <... chdir resumed>) = 0 [pid 11418] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11416] rt_sigprocmask(SIG_SETMASK, [], [pid 11419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11419] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 11421 attached ./strace-static-x86_64: Process 11420 attached [pid 11419] setpgid(0, 0 [pid 11418] <... clone3 resumed> => {parent_tid=[11421]}, 88) = 11421 [pid 11417] <... ioctl resumed>) = 0 [pid 11416] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11421] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11420] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11419] <... setpgid resumed>) = 0 [pid 11418] rt_sigprocmask(SIG_SETMASK, [], [pid 11417] close(3 [pid 11416] <... futex resumed>) = 0 [pid 11421] <... rseq resumed>) = 0 [pid 11420] <... rseq resumed>) = 0 [pid 11419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11417] <... close resumed>) = 0 [pid 11416] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11421] set_robust_list(0x7f43d31679a0, 24 [pid 11420] set_robust_list(0x7f43d31679a0, 24 [pid 11419] <... openat resumed>) = 3 [pid 11418] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11417] close(4 [pid 11421] <... set_robust_list resumed>) = 0 [pid 11420] <... set_robust_list resumed>) = 0 [pid 11421] rt_sigprocmask(SIG_SETMASK, [], [pid 11420] rt_sigprocmask(SIG_SETMASK, [], [pid 11418] <... futex resumed>) = 0 [pid 11421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11419] write(3, "1000", 4 [pid 11418] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11421] memfd_create("syzkaller", 0 [pid 11420] memfd_create("syzkaller", 0 [pid 11419] <... write resumed>) = 4 [pid 11421] <... memfd_create resumed>) = 3 [pid 11420] <... memfd_create resumed>) = 3 [pid 11419] close(3 [pid 11421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11419] <... close resumed>) = 0 [pid 11417] <... close resumed>) = 0 [pid 5067] <... ioctl resumed>) = 0 [pid 5067] close(3 [pid 11421] <... mmap resumed>) = 0x7f43cac00000 [pid 11420] <... mmap resumed>) = 0x7f43cac00000 [pid 11419] symlink("/dev/binderfs", "./binderfs" [ 330.015341][T11417] loop3: detected capacity change from 0 to 2048 [pid 11417] mkdir("./file0", 0777 [pid 5067] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11419] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 11422 attached [pid 11421] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11420] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11419] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11417] <... mkdir resumed>) = 0 [pid 11422] set_robust_list(0x555589d386a0, 24 [pid 11419] <... futex resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11422 [pid 11422] <... set_robust_list resumed>) = 0 [pid 11422] chdir("./329") = 0 [pid 11422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11421] <... write resumed>) = 1048576 [pid 11419] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11417] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11422] setpgid(0, 0 [pid 11421] munmap(0x7f43cac00000, 138412032 [pid 11422] <... setpgid resumed>) = 0 [pid 11421] <... munmap resumed>) = 0 [pid 11419] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11422] <... openat resumed>) = 3 [pid 11421] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11422] write(3, "1000", 4 [pid 11421] <... openat resumed>) = 4 [pid 11420] <... write resumed>) = 1048576 [pid 11419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11422] <... write resumed>) = 4 [pid 11421] ioctl(4, LOOP_SET_FD, 3 [pid 11422] close(3 [pid 11419] <... mmap resumed>) = 0x7f43d3147000 [pid 11422] <... close resumed>) = 0 [pid 11420] munmap(0x7f43cac00000, 138412032 [pid 11422] symlink("/dev/binderfs", "./binderfs" [pid 11420] <... munmap resumed>) = 0 [pid 11419] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11422] <... symlink resumed>) = 0 [pid 11419] <... mprotect resumed>) = 0 [pid 11419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11422] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11422] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11423 attached [pid 11423] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11419] <... clone3 resumed> => {parent_tid=[11423]}, 88) = 11423 [pid 11423] <... rseq resumed>) = 0 [pid 11419] rt_sigprocmask(SIG_SETMASK, [], [pid 11423] set_robust_list(0x7f43d31679a0, 24 [pid 11419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11423] <... set_robust_list resumed>) = 0 [pid 11422] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11420] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11419] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11423] rt_sigprocmask(SIG_SETMASK, [], [pid 11422] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11420] <... openat resumed>) = 4 [pid 11419] <... futex resumed>) = 0 [ 330.097046][T11417] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 330.113904][T11421] loop4: detected capacity change from 0 to 2048 [ 330.132464][T11420] loop1: detected capacity change from 0 to 2048 [pid 11423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11422] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11420] ioctl(4, LOOP_SET_FD, 3 [pid 11419] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11423] memfd_create("syzkaller", 0 [pid 11422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11421] <... ioctl resumed>) = 0 [pid 11420] <... ioctl resumed>) = 0 [pid 11422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11421] close(3) = 0 [pid 11421] close(4) = 0 [pid 11422] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11423] <... memfd_create resumed>) = 3 [pid 11422] <... mprotect resumed>) = 0 [pid 11423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11422] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11421] mkdir("./file0", 0777 [pid 11422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11421] <... mkdir resumed>) = 0 [pid 11421] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, ""./strace-static-x86_64: Process 11425 attached [pid 11422] <... clone3 resumed> => {parent_tid=[11425]}, 88) = 11425 [pid 11425] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11422] rt_sigprocmask(SIG_SETMASK, [], [pid 11425] <... rseq resumed>) = 0 [pid 11422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11425] set_robust_list(0x7f43d31679a0, 24 [pid 11422] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11425] <... set_robust_list resumed>) = 0 [pid 11422] <... futex resumed>) = 0 [pid 11425] rt_sigprocmask(SIG_SETMASK, [], [pid 11423] <... mmap resumed>) = 0x7f43cac00000 [pid 11422] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11420] close(3 [pid 11425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11423] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11420] <... close resumed>) = 0 [pid 11417] <... mount resumed>) = 0 [pid 11425] memfd_create("syzkaller", 0 [pid 11420] close(4 [pid 11417] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11425] <... memfd_create resumed>) = 3 [pid 11420] <... close resumed>) = 0 [pid 11417] <... openat resumed>) = 3 [pid 11417] chdir("./file0" [pid 11425] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11420] mkdir("./file0", 0777 [pid 11417] <... chdir resumed>) = 0 [pid 11425] <... mmap resumed>) = 0x7f43cac00000 [pid 11420] <... mkdir resumed>) = 0 [ 330.132564][T11424] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 330.161603][T11421] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11417] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11425] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11417] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11417] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11415] <... futex resumed>) = 0 [pid 11417] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11415] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11415] <... futex resumed>) = 0 [pid 11417] truncate("./file2", 0 [pid 11415] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11420] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11425] <... write resumed>) = 1048576 [ 330.188547][T11417] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 330.208160][T11420] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11425] munmap(0x7f43cac00000, 138412032) = 0 [pid 11425] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11415] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11425] <... openat resumed>) = 4 [pid 11425] ioctl(4, LOOP_SET_FD, 3 [pid 11423] <... write resumed>) = 1048576 [pid 11421] <... mount resumed>) = 0 [pid 11415] <... futex resumed>) = 0 [pid 11421] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11417] <... truncate resumed>) = 0 [pid 11425] <... ioctl resumed>) = 0 [pid 11423] munmap(0x7f43cac00000, 138412032 [ 330.236104][T11417] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 330.253393][T11417] Remounting filesystem read-only [ 330.256808][T11426] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 330.258496][T11417] NILFS (loop3): error -5 truncating bmap (ino=16) [ 330.272811][T11425] loop0: detected capacity change from 0 to 2048 [pid 11415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11421] <... openat resumed>) = 3 [pid 11415] <... mmap resumed>) = 0x7f43d3126000 [pid 11421] chdir("./file0" [pid 11415] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11421] <... chdir resumed>) = 0 [pid 11415] <... mprotect resumed>) = 0 [pid 11421] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11415] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11425] close(3 [pid 11423] <... munmap resumed>) = 0 [pid 11421] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11417] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11415] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11425] <... close resumed>) = 0 [pid 11423] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11421] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11420] <... mount resumed>) = 0 [pid 11417] <... futex resumed>) = 0 [pid 11415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11425] close(4 [pid 11423] <... openat resumed>) = 4 [pid 11421] <... futex resumed>) = 1 [pid 11420] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11418] <... futex resumed>) = 0 [pid 11417] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11425] <... close resumed>) = 0 [pid 11423] ioctl(4, LOOP_SET_FD, 3 [pid 11421] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11418] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11425] mkdir("./file0", 0777 [pid 11421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11418] <... futex resumed>) = 0 [pid 11415] <... clone3 resumed> => {parent_tid=[11428]}, 88) = 11428 [pid 11421] truncate("./file2", 0 [pid 11418] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11415] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11415] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11428 attached [pid 11428] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 11428] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11428] fspick(AT_FDCWD, ".", 0 [pid 11425] <... mkdir resumed>) = 0 [pid 11425] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11428] <... fspick resumed>) = 4 [pid 11428] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11415] <... futex resumed>) = 0 [pid 11415] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11417] <... futex resumed>) = 0 [pid 11415] <... futex resumed>) = 1 [pid 11417] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11415] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 330.284775][T11427] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 330.303607][T11423] loop2: detected capacity change from 0 to 2048 [ 330.311761][T11421] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 330.326390][T11417] NILFS (loop3): mounting fs with errors [pid 11428] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11423] <... ioctl resumed>) = 0 [pid 11423] close(3) = 0 [pid 11423] close(4) = 0 [pid 11423] mkdir("./file0", 0777) = 0 [pid 11420] <... openat resumed>) = 3 [pid 11420] chdir("./file0" [pid 11423] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11420] <... chdir resumed>) = 0 [pid 11417] <... fsconfig resumed>) = 0 [pid 11418] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11417] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11420] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11418] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11420] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11420] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11418] <... mmap resumed>) = 0x7f43d3126000 [pid 11415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11415] exit_group(0 [pid 11428] <... futex resumed>) = ? [pid 11415] <... exit_group resumed>) = ? [pid 11428] +++ exited with 0 +++ [pid 11418] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11418] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[11429]}, 88) = 11429 [pid 11418] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11418] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11418] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11417] <... futex resumed>) = ? [pid 11420] <... futex resumed>) = 1 [pid 11416] <... futex resumed>) = 0 [pid 11421] <... truncate resumed>) = 0 [pid 11421] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11420] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11416] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11421] <... futex resumed>) = 0 [pid 11420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11416] <... futex resumed>) = 0 [pid 11421] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11420] truncate("./file2", 0 [pid 11416] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11429 attached [ 330.329947][T11421] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 330.334080][T11425] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 330.357746][T11423] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 330.371193][T11421] Remounting filesystem read-only [ 330.376799][T11421] NILFS (loop4): error -5 truncating bmap (ino=16) [pid 11429] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11417] +++ exited with 0 +++ [pid 11415] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11415, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11429] <... rseq resumed>) = 0 [pid 11429] set_robust_list(0x7f43d31469a0, 24 [pid 5070] umount2("./328", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11429] <... set_robust_list resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11423] <... mount resumed>) = 0 [pid 11429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11429] fspick(AT_FDCWD, ".", 0) = 4 [pid 11429] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11418] <... futex resumed>) = 0 [pid 11418] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11429] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11418] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11423] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11421] <... futex resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./328", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11421] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5070] <... openat resumed>) = 3 [pid 11423] <... openat resumed>) = 3 [ 330.390377][T11420] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 330.407146][T11430] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 330.410773][T11420] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 330.430496][T11421] NILFS (loop4): mounting fs with errors [pid 5070] newfstatat(3, "", [pid 11423] chdir("./file0" [pid 11421] <... fsconfig resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11425] <... mount resumed>) = 0 [pid 11425] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5070] getdents64(3, [pid 11421] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11423] <... chdir resumed>) = 0 [pid 11421] <... futex resumed>) = 1 [pid 11418] <... futex resumed>) = 0 [pid 11416] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11425] chdir("./file0" [pid 11418] exit_group(0 [pid 11421] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11416] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] umount2("./328/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11423] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11420] <... truncate resumed>) = 0 [pid 11416] <... futex resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11429] <... futex resumed>) = ? [pid 11425] <... chdir resumed>) = 0 [pid 11423] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11421] <... futex resumed>) = ? [pid 11420] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11418] <... exit_group resumed>) = ? [pid 11416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] newfstatat(AT_FDCWD, "./328/binderfs", [pid 11429] +++ exited with 0 +++ [pid 11425] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11423] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11421] +++ exited with 0 +++ [pid 11420] <... futex resumed>) = 0 [pid 11416] <... mmap resumed>) = 0x7f43d3126000 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11425] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11423] <... futex resumed>) = 1 [pid 11420] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11419] <... futex resumed>) = 0 [pid 11416] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5070] unlink("./328/binderfs" [pid 11425] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11423] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11419] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11418] +++ exited with 0 +++ [pid 11416] <... mprotect resumed>) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 11425] <... futex resumed>) = 1 [pid 11423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11422] <... futex resumed>) = 0 [pid 11419] <... futex resumed>) = 0 [pid 11416] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] umount2("./328/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11425] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11423] truncate("./file2", 0 [pid 11422] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11419] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11416] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11418, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11422] <... futex resumed>) = 0 [pid 11416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 11416] <... clone3 resumed> => {parent_tid=[11432]}, 88) = 11432 [pid 11416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5071] umount2("./331", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11416] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11416] <... futex resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./331", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11416] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... openat resumed>) = 3 [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./331/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 11422] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] newfstatat(AT_FDCWD, "./331/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./331/binderfs") = 0 ./strace-static-x86_64: Process 11432 attached [pid 11425] truncate("./file2", 0 [ 330.431223][T11431] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 330.437829][T11420] Remounting filesystem read-only [ 330.453134][T11420] NILFS (loop1): error -5 truncating bmap (ino=16) [ 330.474828][T11423] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 5071] umount2("./331/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11432] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 11432] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11432] fspick(AT_FDCWD, ".", 0) = 4 [pid 11432] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11416] <... futex resumed>) = 0 [pid 11432] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11416] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 330.490814][T11425] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 330.495831][T11423] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 330.512634][T11425] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 330.524586][T11423] Remounting filesystem read-only [ 330.530458][T11423] NILFS (loop2): error -5 truncating bmap (ino=16) [pid 11416] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11420] <... futex resumed>) = 0 [pid 11419] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] <... umount2 resumed>) = 0 [pid 11419] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11419] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11420] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5071] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 11433 attached [pid 11422] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11433] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 11433] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5070] umount2("./328/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11433] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11422] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11419] <... clone3 resumed> => {parent_tid=[11433]}, 88) = 11433 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11425] <... truncate resumed>) = 0 [pid 11422] <... futex resumed>) = 0 [pid 11420] <... fsconfig resumed>) = 0 [pid 11419] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] umount2("./331/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] newfstatat(AT_FDCWD, "./328/file0", [pid 11423] <... truncate resumed>) = 0 [pid 11425] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11420] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11425] <... futex resumed>) = 0 [pid 11423] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11422] <... mmap resumed>) = 0x7f43d3126000 [pid 11420] <... futex resumed>) = 1 [pid 11419] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11416] <... futex resumed>) = 0 [pid 5071] newfstatat(AT_FDCWD, "./331/file0", [pid 5070] umount2("./328/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11433] <... futex resumed>) = 0 [pid 11425] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11423] <... futex resumed>) = 0 [pid 11422] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11420] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11419] <... futex resumed>) = 1 [pid 11416] exit_group(0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11433] fspick(AT_FDCWD, ".", 0 [pid 11432] <... futex resumed>) = ? [pid 11423] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11422] <... mprotect resumed>) = 0 [pid 11420] <... futex resumed>) = ? [pid 11419] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11416] <... exit_group resumed>) = ? [pid 5071] umount2("./331/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "./328/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11433] <... fspick resumed>) = 4 [pid 11432] +++ exited with 0 +++ [pid 11422] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11420] +++ exited with 0 +++ [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... openat resumed>) = 4 [pid 11433] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11422] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] openat(AT_FDCWD, "./331/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] newfstatat(4, "", [pid 11433] <... futex resumed>) = 1 [pid 11422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11419] <... futex resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11433] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11419] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] newfstatat(4, "", [pid 5070] getdents64(4, ./strace-static-x86_64: Process 11434 attached [pid 11423] <... futex resumed>) = 0 [pid 11419] <... futex resumed>) = 1 [pid 11416] +++ exited with 0 +++ [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11434] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11423] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11422] <... clone3 resumed> => {parent_tid=[11434]}, 88) = 11434 [pid 11419] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] getdents64(4, [pid 5070] getdents64(4, [pid 11434] <... rseq resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11416, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5070] close(4 [pid 5068] umount2("./326", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] rmdir("./328/file0" [pid 5068] openat(AT_FDCWD, "./326", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... rmdir resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5070] getdents64(3, [pid 5068] newfstatat(3, "", [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] close(3 [pid 5068] getdents64(3, [pid 5070] <... close resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] rmdir("./328" [pid 5068] umount2("./326/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] <... rmdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11434] set_robust_list(0x7f43d31469a0, 24 [pid 11422] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] getdents64(4, [pid 5070] mkdir("./329", 0777 [pid 5068] newfstatat(AT_FDCWD, "./326/binderfs", [pid 11434] <... set_robust_list resumed>) = 0 [pid 11422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11434] rt_sigprocmask(SIG_SETMASK, [], [pid 11422] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] close(4 [pid 5068] unlink("./326/binderfs" [pid 11434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11422] <... futex resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5068] <... unlink resumed>) = 0 [pid 11422] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] rmdir("./331/file0" [pid 5068] umount2("./326/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... openat resumed>) = 3 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5071] getdents64(3, [pid 11434] fspick(AT_FDCWD, ".", 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11434] <... fspick resumed>) = 4 [pid 5071] close(3 [pid 11434] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11422] <... futex resumed>) = 0 [pid 5071] <... close resumed>) = 0 [ 330.531606][T11425] Remounting filesystem read-only [ 330.537603][T11420] NILFS (loop1): mounting fs with errors [ 330.548233][T11425] NILFS (loop0): error -5 truncating bmap (ino=16) [ 330.574114][T11423] NILFS (loop2): mounting fs with errors [pid 11434] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11422] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] rmdir("./331" [pid 11425] <... futex resumed>) = 0 [pid 11422] <... futex resumed>) = 1 [pid 11423] <... fsconfig resumed>) = 0 [pid 11423] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11425] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11423] <... futex resumed>) = 1 [pid 11422] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11419] <... futex resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 11419] exit_group(0) = ? [pid 11433] <... futex resumed>) = ? [pid 11433] +++ exited with 0 +++ [pid 5071] mkdir("./332", 0777) = 0 [pid 11423] +++ exited with 0 +++ [pid 11419] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11419, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] umount2("./329", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11425] <... fsconfig resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11425] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "./329", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11425] <... futex resumed>) = 1 [pid 11422] <... futex resumed>) = 0 [pid 11425] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11422] exit_group(0 [pid 5069] <... openat resumed>) = 3 [pid 11434] <... futex resumed>) = ? [pid 11425] <... futex resumed>) = ? [pid 11422] <... exit_group resumed>) = ? [pid 5068] <... umount2 resumed>) = 0 [pid 11434] +++ exited with 0 +++ [pid 11425] +++ exited with 0 +++ [pid 5069] newfstatat(3, "", [pid 5068] umount2("./326/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] newfstatat(AT_FDCWD, "./326/file0", [pid 11422] +++ exited with 0 +++ [pid 5069] umount2("./329/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11422, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5069] newfstatat(AT_FDCWD, "./329/binderfs", [pid 5067] umount2("./329", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] unlink("./329/binderfs" [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... unlink resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./329", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] umount2("./329/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... ioctl resumed>) = 0 [pid 5068] umount2("./326/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 3 [pid 5070] close(3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(3, "", [pid 5070] <... close resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] openat(AT_FDCWD, "./326/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] getdents64(3, [pid 5068] <... openat resumed>) = 4 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] newfstatat(4, "", [ 330.593084][T11425] NILFS (loop0): mounting fs with errors [pid 5067] umount2("./329/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./329/binderfs", ./strace-static-x86_64: Process 11435 attached [pid 5068] getdents64(4, [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] unlink("./329/binderfs" [pid 11435] set_robust_list(0x555589d386a0, 24 [pid 5068] getdents64(4, [pid 5067] <... unlink resumed>) = 0 [pid 11435] <... set_robust_list resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] umount2("./329/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11435] chdir("./329" [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11435 [pid 11435] <... chdir resumed>) = 0 [pid 5071] close(3 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] close(4) = 0 [pid 11435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... close resumed>) = 0 [pid 5069] umount2("./329/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] rmdir("./326/file0" [pid 11435] <... prctl resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... rmdir resumed>) = 0 [pid 11435] setpgid(0, 0 [pid 5069] newfstatat(AT_FDCWD, "./329/file0", [pid 5068] getdents64(3, ./strace-static-x86_64: Process 11436 attached [pid 11435] <... setpgid resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5069] umount2("./329/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] close(3 [pid 11436] set_robust_list(0x555589d386a0, 24 [pid 11435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11436 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... close resumed>) = 0 [pid 11436] <... set_robust_list resumed>) = 0 [pid 5068] rmdir("./326" [pid 5069] openat(AT_FDCWD, "./329/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11436] chdir("./332" [pid 5069] <... openat resumed>) = 4 [pid 5068] <... rmdir resumed>) = 0 [pid 11436] <... chdir resumed>) = 0 [pid 5069] newfstatat(4, "", [pid 5068] mkdir("./327", 0777 [pid 11435] <... openat resumed>) = 3 [pid 11436] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5067] umount2("./329/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11436] <... prctl resumed>) = 0 [pid 11435] write(3, "1000", 4 [pid 5069] getdents64(4, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11436] setpgid(0, 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] newfstatat(AT_FDCWD, "./329/file0", [pid 11436] <... setpgid resumed>) = 0 [pid 11435] <... write resumed>) = 4 [pid 5069] getdents64(4, [pid 11436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11435] close(3 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11435] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11436] <... openat resumed>) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] umount2("./329/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 11436] write(3, "1000", 4 [pid 5067] openat(AT_FDCWD, "./329/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] close(4 [pid 11435] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... close resumed>) = 0 [pid 11436] <... write resumed>) = 4 [pid 11436] close(3 [pid 11435] <... symlink resumed>) = 0 [pid 5069] rmdir("./329/file0" [pid 5067] <... openat resumed>) = 4 [pid 11436] <... close resumed>) = 0 [pid 11435] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] newfstatat(4, "", [pid 11436] symlink("/dev/binderfs", "./binderfs" [pid 11435] <... futex resumed>) = 0 [pid 11436] <... symlink resumed>) = 0 [pid 11435] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5069] <... rmdir resumed>) = 0 [pid 11435] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] getdents64(3, [pid 11436] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] getdents64(4, [pid 11436] <... futex resumed>) = 0 [pid 11435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11436] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11435] <... mmap resumed>) = 0x7f43d3147000 [pid 5069] close(3 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11436] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11435] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5069] <... close resumed>) = 0 [pid 11436] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11435] <... mprotect resumed>) = 0 [pid 5069] rmdir("./329" [pid 5067] getdents64(4, [pid 11436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] close(4 [pid 11436] <... mmap resumed>) = 0x7f43d3147000 [pid 5067] <... close resumed>) = 0 [pid 11436] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11435] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] rmdir("./329/file0" [pid 11436] <... mprotect resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 11436] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11435] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] getdents64(3, [pid 5069] mkdir("./330", 0777 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11436] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] close(3 [pid 11436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11437 attached [pid 11435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5067] <... close resumed>) = 0 [pid 11437] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11436] <... clone3 resumed> => {parent_tid=[11437]}, 88) = 11437 ./strace-static-x86_64: Process 11438 attached [pid 11437] <... rseq resumed>) = 0 [pid 11436] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] rmdir("./329" [pid 11438] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11437] set_robust_list(0x7f43d31679a0, 24 [pid 11436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11435] <... clone3 resumed> => {parent_tid=[11438]}, 88) = 11438 [pid 5069] <... mkdir resumed>) = 0 [pid 11438] <... rseq resumed>) = 0 [pid 11437] <... set_robust_list resumed>) = 0 [pid 11436] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11435] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... rmdir resumed>) = 0 [pid 11438] set_robust_list(0x7f43d31679a0, 24 [pid 11437] rt_sigprocmask(SIG_SETMASK, [], [pid 11436] <... futex resumed>) = 0 [pid 11435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11438] <... set_robust_list resumed>) = 0 [pid 5067] mkdir("./330", 0777 [pid 11438] rt_sigprocmask(SIG_SETMASK, [], [pid 11437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11436] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11435] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... openat resumed>) = 3 [pid 5067] <... mkdir resumed>) = 0 [pid 11437] memfd_create("syzkaller", 0 [pid 11435] <... futex resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... ioctl resumed>) = 0 [pid 11438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11435] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11438] memfd_create("syzkaller", 0 [pid 11437] <... memfd_create resumed>) = 3 [pid 5068] close(3 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11438] <... memfd_create resumed>) = 3 [pid 11437] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5068] <... close resumed>) = 0 [pid 11438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5067] <... openat resumed>) = 3 [pid 11438] <... mmap resumed>) = 0x7f43cac00000 [pid 11437] <... mmap resumed>) = 0x7f43cac00000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 11439 attached [pid 11438] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11437] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11439 [pid 11439] set_robust_list(0x555589d386a0, 24) = 0 [pid 11439] chdir("./327") = 0 [pid 11439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11437] <... write resumed>) = 1048576 [pid 11439] setpgid(0, 0) = 0 [pid 11439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11439] write(3, "1000", 4) = 4 [pid 11439] close(3) = 0 [pid 11439] symlink("/dev/binderfs", "./binderfs" [pid 11437] munmap(0x7f43cac00000, 138412032 [pid 11439] <... symlink resumed>) = 0 [pid 11438] <... write resumed>) = 1048576 [pid 11437] <... munmap resumed>) = 0 [pid 11439] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11438] munmap(0x7f43cac00000, 138412032 [pid 11439] <... futex resumed>) = 0 [pid 11438] <... munmap resumed>) = 0 [pid 11437] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] <... ioctl resumed>) = 0 [pid 11439] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11438] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11437] <... openat resumed>) = 4 [pid 11439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11438] <... openat resumed>) = 4 [pid 11439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11438] ioctl(4, LOOP_SET_FD, 3 [pid 11437] ioctl(4, LOOP_SET_FD, 3 [pid 11439] <... mmap resumed>) = 0x7f43d3147000 [pid 11439] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5067] close(3) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11439] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11440 ./strace-static-x86_64: Process 11440 attached [pid 11439] <... clone3 resumed> => {parent_tid=[11441]}, 88) = 11441 [pid 11440] set_robust_list(0x555589d386a0, 24 [pid 11439] rt_sigprocmask(SIG_SETMASK, [], [pid 11440] <... set_robust_list resumed>) = 0 [pid 11439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11440] chdir("./330" [pid 11439] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11440] <... chdir resumed>) = 0 [pid 11439] <... futex resumed>) = 0 [pid 11440] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11439] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11440] <... prctl resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 11441 attached [pid 11440] setpgid(0, 0 [pid 11441] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11440] <... setpgid resumed>) = 0 [pid 11438] <... ioctl resumed>) = 0 [pid 11441] <... rseq resumed>) = 0 [pid 11440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11438] close(3 [pid 11441] set_robust_list(0x7f43d31679a0, 24 [pid 11440] <... openat resumed>) = 3 [pid 11438] <... close resumed>) = 0 [pid 11438] close(4 [pid 11441] <... set_robust_list resumed>) = 0 [pid 11440] write(3, "1000", 4 [pid 11438] <... close resumed>) = 0 [pid 11441] rt_sigprocmask(SIG_SETMASK, [], [pid 11440] <... write resumed>) = 4 [pid 11441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11440] close(3 [pid 11438] mkdir("./file0", 0777 [pid 11441] memfd_create("syzkaller", 0 [pid 11440] <... close resumed>) = 0 [pid 11438] <... mkdir resumed>) = 0 [pid 5069] close(3 [pid 11441] <... memfd_create resumed>) = 3 [pid 11440] symlink("/dev/binderfs", "./binderfs" [pid 11441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11440] <... symlink resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 11441] <... mmap resumed>) = 0x7f43cac00000 [pid 11438] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11437] <... ioctl resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11440] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11437] close(3 [pid 11440] <... futex resumed>) = 0 [pid 11437] <... close resumed>) = 0 [pid 11440] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11437] close(4) = 0 ./strace-static-x86_64: Process 11442 attached [pid 11440] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11442 [pid 11442] set_robust_list(0x555589d386a0, 24 [pid 11441] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11437] mkdir("./file0", 0777 [pid 11442] <... set_robust_list resumed>) = 0 [pid 11440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11442] chdir("./330" [pid 11440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11442] <... chdir resumed>) = 0 [pid 11440] <... mmap resumed>) = 0x7f43d3147000 [pid 11437] <... mkdir resumed>) = 0 [pid 11442] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11437] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11442] <... prctl resumed>) = 0 [ 330.815297][T11438] loop3: detected capacity change from 0 to 2048 [ 330.823574][T11437] loop4: detected capacity change from 0 to 2048 [ 330.855013][T11438] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11440] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11442] setpgid(0, 0 [pid 11440] <... mprotect resumed>) = 0 [pid 11442] <... setpgid resumed>) = 0 [pid 11440] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11442] write(3, "1000", 4) = 4 [pid 11440] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11442] close(3) = 0 [pid 11440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11442] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11440] <... clone3 resumed> => {parent_tid=[11443]}, 88) = 11443 [pid 11442] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11440] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11443 attached [pid 11442] <... futex resumed>) = 0 [pid 11440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11443] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11442] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11440] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11443] <... rseq resumed>) = 0 [pid 11442] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11440] <... futex resumed>) = 0 [pid 11443] set_robust_list(0x7f43d31679a0, 24 [pid 11442] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11440] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11443] <... set_robust_list resumed>) = 0 [pid 11442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11443] rt_sigprocmask(SIG_SETMASK, [], [pid 11442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11443] memfd_create("syzkaller", 0 [pid 11442] <... mmap resumed>) = 0x7f43d3147000 [pid 11442] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11442] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11443] <... memfd_create resumed>) = 3 [pid 11442] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11441] <... write resumed>) = 1048576 [pid 11443] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11444 attached [pid 11443] <... mmap resumed>) = 0x7f43cac00000 [pid 11444] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 11441] munmap(0x7f43cac00000, 138412032 [pid 11444] set_robust_list(0x7f43d31679a0, 24 [pid 11442] <... clone3 resumed> => {parent_tid=[11444]}, 88) = 11444 [pid 11442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11441] <... munmap resumed>) = 0 [pid 11442] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11444] <... set_robust_list resumed>) = 0 [pid 11442] <... futex resumed>) = 0 [pid 11441] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11444] rt_sigprocmask(SIG_SETMASK, [], [pid 11442] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11444] memfd_create("syzkaller", 0 [pid 11441] <... openat resumed>) = 4 [pid 11444] <... memfd_create resumed>) = 3 [pid 11444] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11443] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [ 330.887728][T11437] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 330.924928][T11445] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11441] ioctl(4, LOOP_SET_FD, 3 [pid 11444] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11441] <... ioctl resumed>) = 0 [pid 11438] <... mount resumed>) = 0 [pid 11438] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11438] chdir("./file0" [pid 11441] close(3 [pid 11438] <... chdir resumed>) = 0 [pid 11441] <... close resumed>) = 0 [pid 11438] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11441] close(4 [pid 11438] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11438] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11438] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11435] <... futex resumed>) = 0 [pid 11435] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11438] <... futex resumed>) = 0 [pid 11435] <... futex resumed>) = 1 [pid 11438] truncate("./file2", 0 [pid 11435] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11441] <... close resumed>) = 0 [pid 11443] munmap(0x7f43cac00000, 138412032) = 0 [pid 11441] mkdir("./file0", 0777 [pid 11437] <... mount resumed>) = 0 [pid 11444] <... write resumed>) = 1048576 [pid 11443] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11441] <... mkdir resumed>) = 0 [pid 11437] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11443] <... openat resumed>) = 4 [pid 11441] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11437] <... openat resumed>) = 3 [ 330.952014][T11441] loop1: detected capacity change from 0 to 2048 [ 330.962909][T11446] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 330.974169][T11438] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11443] ioctl(4, LOOP_SET_FD, 3 [pid 11437] chdir("./file0") = 0 [pid 11437] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11444] munmap(0x7f43cac00000, 138412032) = 0 [pid 11443] <... ioctl resumed>) = 0 [pid 11443] close(3 [pid 11444] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11443] <... close resumed>) = 0 [pid 11444] <... openat resumed>) = 4 [pid 11443] close(4 [pid 11444] ioctl(4, LOOP_SET_FD, 3 [pid 11443] <... close resumed>) = 0 [pid 11443] mkdir("./file0", 0777 [pid 11437] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11436] <... futex resumed>) = 0 [pid 11436] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11437] truncate("./file2", 0 [pid 11436] <... futex resumed>) = 0 [pid 11443] <... mkdir resumed>) = 0 [pid 11436] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11443] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11435] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11435] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11435] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [ 330.999138][T11443] loop0: detected capacity change from 0 to 2048 [ 331.007926][T11438] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 331.016588][T11441] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 331.026249][T11444] loop2: detected capacity change from 0 to 2048 [ 331.035825][T11437] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11444] <... ioctl resumed>) = 0 [pid 11444] close(3) = 0 [pid 11444] close(4) = 0 [pid 11444] mkdir("./file0", 0777 [pid 11435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11444] <... mkdir resumed>) = 0 [pid 11435] <... clone3 resumed> => {parent_tid=[11447]}, 88) = 11447 [pid 11435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11435] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11435] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11447 attached [ 331.047591][T11443] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 331.058162][T11438] Remounting filesystem read-only [ 331.067965][T11438] NILFS (loop3): error -5 truncating bmap (ino=16) [ 331.072172][T11437] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 331.090685][T11444] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11444] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11447] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 11436] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11447] set_robust_list(0x7f43d31469a0, 24 [pid 11436] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11447] <... set_robust_list resumed>) = 0 [pid 11436] <... futex resumed>) = 0 [pid 11447] rt_sigprocmask(SIG_SETMASK, [], [pid 11441] <... mount resumed>) = 0 [pid 11438] <... truncate resumed>) = 0 [pid 11436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11441] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11438] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11436] <... mmap resumed>) = 0x7f43d3126000 [pid 11447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11447] fspick(AT_FDCWD, ".", 0 [pid 11436] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11447] <... fspick resumed>) = 4 [pid 11441] <... openat resumed>) = 3 [pid 11438] <... futex resumed>) = 0 [pid 11436] <... mprotect resumed>) = 0 [pid 11441] chdir("./file0" [pid 11438] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11436] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11447] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11441] <... chdir resumed>) = 0 [pid 11436] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11441] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11441] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11441] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11449 attached [pid 11439] <... futex resumed>) = 0 [pid 11449] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11447] <... futex resumed>) = 1 [pid 11439] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11436] <... clone3 resumed> => {parent_tid=[11449]}, 88) = 11449 [pid 11435] <... futex resumed>) = 0 [pid 11449] <... rseq resumed>) = 0 [ 331.100476][T11448] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11447] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11441] <... futex resumed>) = 0 [pid 11439] <... futex resumed>) = 1 [pid 11436] rt_sigprocmask(SIG_SETMASK, [], [pid 11435] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11449] set_robust_list(0x7f43d31469a0, 24 [pid 11441] truncate("./file2", 0 [pid 11439] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11438] <... futex resumed>) = 0 [pid 11436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11435] <... futex resumed>) = 1 [pid 11438] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11435] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11449] <... set_robust_list resumed>) = 0 [pid 11436] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11449] rt_sigprocmask(SIG_SETMASK, [], [pid 11436] <... futex resumed>) = 0 [pid 11449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11436] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11449] fspick(AT_FDCWD, ".", 0) = 4 [pid 11449] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11436] <... futex resumed>) = 0 [ 331.150738][T11438] NILFS (loop3): mounting fs with errors [ 331.158689][T11441] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 331.161144][T11450] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 331.170498][T11437] Remounting filesystem read-only [ 331.185559][T11441] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11436] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11449] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11438] <... fsconfig resumed>) = 0 [pid 11438] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11437] <... truncate resumed>) = 0 [pid 11438] <... futex resumed>) = 1 [pid 11438] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11443] <... mount resumed>) = 0 [pid 11443] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11437] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11443] <... openat resumed>) = 3 [pid 11443] chdir("./file0" [pid 11439] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11436] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11435] <... futex resumed>) = 0 [pid 11443] <... chdir resumed>) = 0 [pid 11439] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11435] exit_group(0 [pid 11447] <... futex resumed>) = ? [pid 11443] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11439] <... futex resumed>) = 0 [pid 11438] <... futex resumed>) = ? [pid 11435] <... exit_group resumed>) = ? [pid 11447] +++ exited with 0 +++ [pid 11443] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11438] +++ exited with 0 +++ [pid 11437] <... futex resumed>) = 0 [pid 11435] +++ exited with 0 +++ [pid 11443] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11439] <... mmap resumed>) = 0x7f43d3126000 [pid 11443] <... futex resumed>) = 1 [pid 11439] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11443] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11439] <... mprotect resumed>) = 0 [pid 11439] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[11452]}, 88) = 11452 [pid 11439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11439] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11439] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11441] <... truncate resumed>) = 0 [pid 11441] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11441] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11437] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11435, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 11440] <... futex resumed>) = 0 [pid 11440] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 ./strace-static-x86_64: Process 11452 attached [pid 11443] <... futex resumed>) = 0 [pid 11440] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11443] truncate("./file2", 0 [pid 11452] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 5070] umount2("./329", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./329", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11452] <... rseq resumed>) = 0 [ 331.186116][T11437] NILFS (loop4): error -5 truncating bmap (ino=16) [ 331.198204][T11449] NILFS (loop4): mounting fs with errors [ 331.202630][T11441] Remounting filesystem read-only [ 331.214847][T11441] NILFS (loop1): error -5 truncating bmap (ino=16) [ 331.223348][T11451] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11452] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 5070] <... openat resumed>) = 3 [pid 11452] rt_sigprocmask(SIG_SETMASK, [], [pid 11449] <... fsconfig resumed>) = 0 [pid 11444] <... mount resumed>) = 0 [pid 5070] newfstatat(3, "", [pid 11452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11449] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11444] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11452] fspick(AT_FDCWD, ".", 0 [pid 11449] <... futex resumed>) = 1 [pid 11444] <... openat resumed>) = 3 [pid 11443] <... truncate resumed>) = 0 [pid 11436] <... futex resumed>) = 0 [pid 5070] getdents64(3, [pid 11452] <... fspick resumed>) = 4 [pid 11449] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11444] chdir("./file0" [pid 11436] exit_group(0 [pid 11452] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11443] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11437] <... futex resumed>) = ? [pid 11439] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11436] <... exit_group resumed>) = ? [pid 11449] <... futex resumed>) = ? [pid 11452] <... futex resumed>) = 0 [pid 11444] <... chdir resumed>) = 0 [pid 11443] <... futex resumed>) = 1 [pid 11440] <... futex resumed>) = 0 [pid 11439] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11437] +++ exited with 0 +++ [pid 5070] umount2("./329/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11444] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11441] <... futex resumed>) = 0 [pid 11439] <... futex resumed>) = 1 [pid 11452] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11444] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11443] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11441] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11440] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11439] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11440] <... futex resumed>) = 0 [pid 5070] newfstatat(AT_FDCWD, "./329/binderfs", [pid 11440] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11449] +++ exited with 0 +++ [pid 11436] +++ exited with 0 +++ [pid 11444] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11442] <... futex resumed>) = 0 [pid 11442] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11442] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11444] truncate("./file2", 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11436, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 11443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11443] fspick(AT_FDCWD, ".", 0 [pid 5070] unlink("./329/binderfs" [pid 11443] <... fspick resumed>) = 4 [pid 11441] <... fsconfig resumed>) = 0 [pid 5071] umount2("./332", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... unlink resumed>) = 0 [pid 11443] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./329/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11443] <... futex resumed>) = 1 [pid 5071] openat(AT_FDCWD, "./332", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11443] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] <... openat resumed>) = 3 [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./332/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./332/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 331.241915][T11443] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 331.254112][T11443] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 331.264970][T11443] Remounting filesystem read-only [ 331.270930][T11443] NILFS (loop0): error -5 truncating bmap (ino=16) [ 331.285416][T11441] NILFS (loop1): mounting fs with errors [pid 5071] unlink("./332/binderfs" [pid 11441] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11440] <... futex resumed>) = 0 [pid 11441] <... futex resumed>) = 1 [pid 11440] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11439] <... futex resumed>) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 11439] exit_group(0) = ? [pid 11452] <... futex resumed>) = ? [pid 11452] +++ exited with 0 +++ [pid 11443] <... futex resumed>) = 0 [pid 11440] <... futex resumed>) = 1 [pid 11443] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5071] umount2("./332/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = 0 [pid 11440] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11441] +++ exited with 0 +++ [pid 11439] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11439, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5068] umount2("./327", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./327", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 11443] <... fsconfig resumed>) = 0 [pid 5070] umount2("./329/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(3, "", [pid 11444] <... truncate resumed>) = 0 [pid 11443] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11443] <... futex resumed>) = 1 [pid 11440] <... futex resumed>) = 0 [pid 5068] getdents64(3, [pid 11444] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11443] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11440] exit_group(0 [pid 5070] newfstatat(AT_FDCWD, "./329/file0", [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11444] <... futex resumed>) = 1 [pid 11443] <... futex resumed>) = ? [pid 11442] <... futex resumed>) = 0 [pid 11440] <... exit_group resumed>) = ? [pid 5068] umount2("./327/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11444] fspick(AT_FDCWD, ".", 0 [pid 11443] +++ exited with 0 +++ [pid 11442] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11444] <... fspick resumed>) = 4 [pid 11442] <... futex resumed>) = 0 [pid 5070] umount2("./329/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11444] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11442] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11444] <... futex resumed>) = 0 [pid 11442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] openat(AT_FDCWD, "./329/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11444] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11442] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... umount2 resumed>) = 0 [pid 5070] <... openat resumed>) = 4 [pid 11444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11442] <... futex resumed>) = 0 [pid 5070] newfstatat(4, "", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11444] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11442] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11440] +++ exited with 0 +++ [pid 5071] umount2("./332/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] newfstatat(AT_FDCWD, "./327/binderfs", [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 331.293451][T11444] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 331.304713][T11444] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 331.316433][T11444] Remounting filesystem read-only [ 331.319899][T11443] NILFS (loop0): mounting fs with errors [ 331.322757][T11444] NILFS (loop2): error -5 truncating bmap (ino=16) [pid 5071] newfstatat(AT_FDCWD, "./332/file0", [pid 5068] unlink("./327/binderfs" [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5068] umount2("./327/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./332/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./332/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 11444] <... fsconfig resumed>) = 0 [pid 5070] getdents64(4, [pid 5068] <... umount2 resumed>) = 0 [pid 5071] newfstatat(4, "", [pid 11444] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] umount2("./327/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11440, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 11444] <... futex resumed>) = 1 [pid 11442] <... futex resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(4, [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 11444] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11442] exit_group(0 [pid 5071] getdents64(4, [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] newfstatat(AT_FDCWD, "./327/file0", [pid 5067] <... restart_syscall resumed>) = 0 [pid 5070] close(4 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11444] <... futex resumed>) = ? [pid 11442] <... exit_group resumed>) = ? [pid 11444] +++ exited with 0 +++ [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] <... close resumed>) = 0 [pid 5068] umount2("./327/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] rmdir("./329/file0" [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./330", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... rmdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./327/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(3, [pid 5068] <... openat resumed>) = 4 [pid 5067] openat(AT_FDCWD, "./330", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] getdents64(4, [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] newfstatat(4, "", [pid 5067] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] newfstatat(3, "", [pid 5071] close(4 [pid 11442] +++ exited with 0 +++ [pid 5070] <... close resumed>) = 0 [pid 5068] getdents64(4, [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] rmdir("./329" [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(3, [pid 5071] rmdir("./332/file0" [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11442, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5068] getdents64(4, [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] getdents64(3, [pid 5070] mkdir("./330", 0777 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5068] close(4 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [ 331.349458][T11444] NILFS (loop2): mounting fs with errors [pid 5068] <... close resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5071] close(3 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5068] rmdir("./327/file0" [pid 5067] umount2("./330/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] umount2("./330", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] rmdir("./332" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(3, [pid 5067] newfstatat(AT_FDCWD, "./330/binderfs", [pid 5071] <... rmdir resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] openat(AT_FDCWD, "./330", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] mkdir("./333", 0777 [pid 5067] unlink("./330/binderfs" [pid 5069] <... openat resumed>) = 3 [pid 5071] <... mkdir resumed>) = 0 [pid 5069] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] getdents64(3, [pid 5068] close(3 [pid 5067] <... unlink resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] <... close resumed>) = 0 [pid 5067] umount2("./330/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./330/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] rmdir("./327" [pid 5069] newfstatat(AT_FDCWD, "./330/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] unlink("./330/binderfs" [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5069] umount2("./330/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] mkdir("./328", 0777 [pid 5067] umount2("./330/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./330/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./330/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./330/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5067] newfstatat(4, "", [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] umount2("./330/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] <... openat resumed>) = 3 [pid 5067] getdents64(4, [pid 5069] newfstatat(AT_FDCWD, "./330/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] umount2("./330/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] <... ioctl resumed>) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] getdents64(4, [pid 5070] close(3 [pid 5069] openat(AT_FDCWD, "./330/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 5070] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5069] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./330/file0") = 0 [pid 5069] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./330") = 0 [pid 5069] mkdir("./331", 0777 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... mkdir resumed>) = 0 [pid 5067] close(4 [pid 5071] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 11453 attached [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] rmdir("./330/file0" [pid 11453] set_robust_list(0x555589d386a0, 24) = 0 [pid 11453] chdir("./330") = 0 [pid 11453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11453] setpgid(0, 0) = 0 [pid 11453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11453] write(3, "1000", 4./strace-static-x86_64: Process 11454 attached [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11453 [pid 5067] <... rmdir resumed>) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11454 [pid 5067] getdents64(3, [pid 11454] set_robust_list(0x555589d386a0, 24 [pid 11453] <... write resumed>) = 4 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] close(3 [pid 11454] <... set_robust_list resumed>) = 0 [pid 11453] close(3 [pid 5067] <... close resumed>) = 0 [pid 11454] chdir("./333" [pid 11453] <... close resumed>) = 0 [pid 5067] rmdir("./330" [pid 11454] <... chdir resumed>) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 5068] close(3 [pid 5067] <... rmdir resumed>) = 0 [pid 11453] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... close resumed>) = 0 [pid 5067] mkdir("./331", 0777 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11453] <... symlink resumed>) = 0 [pid 11454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11454] setpgid(0, 0 [pid 11453] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11454] <... setpgid resumed>) = 0 [pid 11453] <... futex resumed>) = 0 [pid 11453] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11453] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11454] <... openat resumed>) = 3 [pid 11453] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5067] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 11455 attached [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11455 [pid 11454] write(3, "1000", 4 [pid 11453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11454] <... write resumed>) = 4 [pid 11453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11455] set_robust_list(0x555589d386a0, 24 [pid 11454] close(3 [pid 11453] <... mmap resumed>) = 0x7f43d3147000 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11455] <... set_robust_list resumed>) = 0 [pid 11454] <... close resumed>) = 0 [pid 11453] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11455] chdir("./328" [pid 11454] symlink("/dev/binderfs", "./binderfs" [pid 11453] <... mprotect resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 11454] <... symlink resumed>) = 0 [pid 11453] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11454] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11453] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11455] <... chdir resumed>) = 0 [pid 11454] <... futex resumed>) = 0 [pid 11453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11456 attached [pid 11455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11454] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11455] <... prctl resumed>) = 0 [pid 11453] <... clone3 resumed> => {parent_tid=[11456]}, 88) = 11456 [pid 11454] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11453] rt_sigprocmask(SIG_SETMASK, [], [pid 11456] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11454] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11455] setpgid(0, 0) = 0 [pid 11456] <... rseq resumed>) = 0 [pid 11455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11453] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11456] set_robust_list(0x7f43d31679a0, 24 [pid 11454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11453] <... futex resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 11456] <... set_robust_list resumed>) = 0 [pid 11454] <... mmap resumed>) = 0x7f43d3147000 [pid 11453] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] close(3 [pid 11455] <... openat resumed>) = 3 [pid 11456] rt_sigprocmask(SIG_SETMASK, [], [pid 11454] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5069] <... close resumed>) = 0 [pid 11456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11455] write(3, "1000", 4 [pid 11454] <... mprotect resumed>) = 0 [pid 11456] memfd_create("syzkaller", 0 [pid 11455] <... write resumed>) = 4 [pid 11454] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11456] <... memfd_create resumed>) = 3 [pid 11455] close(3 [pid 11454] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11455] <... close resumed>) = 0 [pid 11454] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11457 attached [pid 11456] <... mmap resumed>) = 0x7f43cac00000 [pid 11455] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 11458 attached [pid 11457] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11458] set_robust_list(0x555589d386a0, 24 [pid 11455] <... symlink resumed>) = 0 [pid 11454] <... clone3 resumed> => {parent_tid=[11457]}, 88) = 11457 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11458 [pid 5067] <... ioctl resumed>) = 0 [pid 11458] <... set_robust_list resumed>) = 0 [pid 11457] <... rseq resumed>) = 0 [pid 11454] rt_sigprocmask(SIG_SETMASK, [], [pid 11458] chdir("./331" [pid 11457] set_robust_list(0x7f43d31679a0, 24 [pid 11454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11457] <... set_robust_list resumed>) = 0 [pid 11454] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11457] rt_sigprocmask(SIG_SETMASK, [], [pid 11454] <... futex resumed>) = 0 [pid 11457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11454] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11458] <... chdir resumed>) = 0 [pid 11457] memfd_create("syzkaller", 0 [pid 11455] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11458] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11455] <... futex resumed>) = 0 [pid 11457] <... memfd_create resumed>) = 3 [pid 11456] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11458] <... prctl resumed>) = 0 [pid 11455] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11458] setpgid(0, 0) = 0 [pid 11455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11457] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11457] <... mmap resumed>) = 0x7f43cac00000 [pid 11455] <... mmap resumed>) = 0x7f43d3147000 [pid 11458] <... openat resumed>) = 3 [pid 11455] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5067] close(3 [pid 11455] <... mprotect resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 11458] write(3, "1000", 4 [pid 11457] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11455] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11458] <... write resumed>) = 4 [pid 11455] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11458] close(3 [pid 11455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11458] <... close resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11459 [pid 11458] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 11460 attached ./strace-static-x86_64: Process 11459 attached [pid 11458] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11455] <... clone3 resumed> => {parent_tid=[11460]}, 88) = 11460 [pid 11458] <... futex resumed>) = 0 [pid 11460] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11459] set_robust_list(0x555589d386a0, 24 [pid 11458] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11455] rt_sigprocmask(SIG_SETMASK, [], [pid 11458] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11459] <... set_robust_list resumed>) = 0 [pid 11458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11456] <... write resumed>) = 1048576 [pid 11455] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11460] <... rseq resumed>) = 0 [pid 11459] chdir("./331" [pid 11458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11456] munmap(0x7f43cac00000, 138412032 [pid 11455] <... futex resumed>) = 0 [pid 11460] set_robust_list(0x7f43d31679a0, 24 [pid 11459] <... chdir resumed>) = 0 [pid 11458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11455] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11458] <... mmap resumed>) = 0x7f43d3147000 [pid 11458] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11460] <... set_robust_list resumed>) = 0 [pid 11459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11458] <... mprotect resumed>) = 0 [pid 11456] <... munmap resumed>) = 0 [pid 11460] rt_sigprocmask(SIG_SETMASK, [], [pid 11459] <... prctl resumed>) = 0 [pid 11458] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11457] <... write resumed>) = 1048576 [pid 11456] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11459] setpgid(0, 0 [pid 11457] munmap(0x7f43cac00000, 138412032 [pid 11456] <... openat resumed>) = 4 [pid 11458] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11460] memfd_create("syzkaller", 0 [pid 11459] <... setpgid resumed>) = 0 [pid 11458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11457] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 11461 attached [pid 11461] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11458] <... clone3 resumed> => {parent_tid=[11461]}, 88) = 11461 [pid 11456] ioctl(4, LOOP_SET_FD, 3 [pid 11461] <... rseq resumed>) = 0 [pid 11460] <... memfd_create resumed>) = 3 [pid 11459] <... openat resumed>) = 3 [pid 11458] rt_sigprocmask(SIG_SETMASK, [], [pid 11457] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11461] set_robust_list(0x7f43d31679a0, 24 [pid 11458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11461] <... set_robust_list resumed>) = 0 [pid 11458] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11461] rt_sigprocmask(SIG_SETMASK, [], [pid 11458] <... futex resumed>) = 0 [pid 11461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11458] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11461] memfd_create("syzkaller", 0) = 3 [pid 11461] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11457] <... openat resumed>) = 4 [pid 11460] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11459] write(3, "1000", 4 [pid 11457] ioctl(4, LOOP_SET_FD, 3 [pid 11459] <... write resumed>) = 4 [pid 11459] close(3) = 0 [pid 11460] <... mmap resumed>) = 0x7f43cac00000 [pid 11459] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11459] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11459] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11459] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11461] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11456] <... ioctl resumed>) = 0 [pid 11459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11456] close(3 [pid 11459] <... mmap resumed>) = 0x7f43d3147000 [pid 11456] <... close resumed>) = 0 [pid 11459] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11456] close(4 [pid 11459] <... mprotect resumed>) = 0 [pid 11457] <... ioctl resumed>) = 0 [pid 11456] <... close resumed>) = 0 [pid 11460] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11459] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11457] close(3 [pid 11456] mkdir("./file0", 0777 [pid 11459] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11457] <... close resumed>) = 0 [pid 11456] <... mkdir resumed>) = 0 [pid 11459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11457] close(4./strace-static-x86_64: Process 11462 attached ) = 0 [pid 11462] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11456] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11457] mkdir("./file0", 0777) = 0 [pid 11462] <... rseq resumed>) = 0 [pid 11462] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11462] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11459] <... clone3 resumed> => {parent_tid=[11462]}, 88) = 11462 [pid 11457] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11459] rt_sigprocmask(SIG_SETMASK, [], [pid 11461] <... write resumed>) = 1048576 [pid 11459] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 331.633379][T11456] loop3: detected capacity change from 0 to 2048 [ 331.641470][T11457] loop4: detected capacity change from 0 to 2048 [ 331.673379][T11456] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11459] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11462] <... futex resumed>) = 0 [pid 11459] <... futex resumed>) = 1 [pid 11462] memfd_create("syzkaller", 0) = 3 [pid 11462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11460] <... write resumed>) = 1048576 [pid 11459] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11460] munmap(0x7f43cac00000, 138412032) = 0 [pid 11460] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11460] ioctl(4, LOOP_SET_FD, 3 [pid 11461] munmap(0x7f43cac00000, 138412032) = 0 [pid 11461] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 331.699596][T11457] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 331.722717][T11460] loop1: detected capacity change from 0 to 2048 [pid 11462] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11461] ioctl(4, LOOP_SET_FD, 3 [pid 11460] <... ioctl resumed>) = 0 [pid 11460] close(3) = 0 [pid 11460] close(4) = 0 [pid 11460] mkdir("./file0", 0777 [pid 11462] <... write resumed>) = 1048576 [pid 11461] <... ioctl resumed>) = 0 [pid 11460] <... mkdir resumed>) = 0 [pid 11462] munmap(0x7f43cac00000, 138412032 [pid 11461] close(3 [pid 11460] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11456] <... mount resumed>) = 0 [pid 11456] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11456] chdir("./file0") = 0 [pid 11461] <... close resumed>) = 0 [pid 11456] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11461] close(4 [pid 11456] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11456] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11456] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11453] <... futex resumed>) = 0 [pid 11453] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11456] <... futex resumed>) = 0 [pid 11453] <... futex resumed>) = 1 [pid 11462] <... munmap resumed>) = 0 [pid 11461] <... close resumed>) = 0 [pid 11456] truncate("./file2", 0 [ 331.740376][T11463] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 331.747333][T11461] loop2: detected capacity change from 0 to 2048 [ 331.775968][T11460] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11453] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11462] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11461] mkdir("./file0", 0777 [pid 11462] <... openat resumed>) = 4 [pid 11461] <... mkdir resumed>) = 0 [pid 11462] ioctl(4, LOOP_SET_FD, 3 [ 331.790977][T11456] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 331.807478][T11462] loop0: detected capacity change from 0 to 2048 [ 331.814764][T11461] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 331.821439][T11456] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 331.834113][T11464] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11461] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11462] <... ioctl resumed>) = 0 [pid 11460] <... mount resumed>) = 0 [pid 11453] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11453] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11462] close(3 [pid 11461] <... mount resumed>) = 0 [pid 11460] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11461] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11460] <... openat resumed>) = 3 [pid 11462] <... close resumed>) = 0 [pid 11462] close(4 [pid 11461] <... openat resumed>) = 3 [pid 11460] chdir("./file0") = 0 [pid 11461] chdir("./file0" [pid 11453] <... mmap resumed>) = 0x7f43d3126000 [pid 11453] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11461] <... chdir resumed>) = 0 [pid 11460] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11462] <... close resumed>) = 0 [pid 11461] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11460] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11453] <... mprotect resumed>) = 0 [pid 11461] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11460] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11461] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11462] mkdir("./file0", 0777 [pid 11461] <... futex resumed>) = 1 [pid 11460] <... futex resumed>) = 1 [pid 11453] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11462] <... mkdir resumed>) = 0 [pid 11461] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11460] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11458] <... futex resumed>) = 0 [pid 11457] <... mount resumed>) = 0 [pid 11455] <... futex resumed>) = 0 [pid 11453] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11462] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11458] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11455] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11461] <... futex resumed>) = 0 [pid 11460] <... futex resumed>) = 0 [pid 11458] <... futex resumed>) = 1 [pid 11455] <... futex resumed>) = 1 ./strace-static-x86_64: Process 11467 attached [pid 11461] truncate("./file2", 0 [pid 11460] truncate("./file2", 0 [pid 11458] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11457] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11455] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11467] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11457] <... openat resumed>) = 3 [pid 11457] chdir("./file0") = 0 [pid 11457] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11457] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11457] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11467] <... rseq resumed>) = 0 [pid 11467] set_robust_list(0x7f43d31469a0, 24 [pid 11454] <... futex resumed>) = 0 [ 331.843003][T11466] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 331.850777][T11465] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 331.883592][T11460] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11454] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11467] <... set_robust_list resumed>) = 0 [pid 11467] rt_sigprocmask(SIG_SETMASK, [], [pid 11457] <... futex resumed>) = 0 [pid 11454] <... futex resumed>) = 1 [pid 11457] truncate("./file2", 0 [pid 11467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11454] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 331.896019][T11456] Remounting filesystem read-only [ 331.909438][T11457] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 331.928363][T11461] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 331.932025][T11460] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11467] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11458] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11456] <... truncate resumed>) = 0 [pid 11455] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11454] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11453] <... clone3 resumed> => {parent_tid=[11467]}, 88) = 11467 [pid 11453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11453] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11453] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11467] <... futex resumed>) = 0 [pid 11458] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11456] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11455] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11454] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11456] <... futex resumed>) = 0 [pid 11455] <... futex resumed>) = 0 [pid 11454] <... futex resumed>) = 0 [pid 11456] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11467] fspick(AT_FDCWD, ".", 0 [pid 11458] <... futex resumed>) = 0 [ 331.948993][T11456] NILFS (loop3): error -5 truncating bmap (ino=16) [ 331.956046][T11457] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 331.956056][T11462] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 331.966007][T11461] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 331.977543][T11457] Remounting filesystem read-only [ 331.991257][T11460] Remounting filesystem read-only [pid 11467] <... fspick resumed>) = 4 [pid 11458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11457] <... truncate resumed>) = 0 [pid 11455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11460] <... truncate resumed>) = 0 [pid 11467] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11458] <... mmap resumed>) = 0x7f43d3126000 [pid 11457] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11455] <... mmap resumed>) = 0x7f43d3126000 [pid 11454] <... mmap resumed>) = 0x7f43d3126000 [pid 11453] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11453] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11453] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11467] <... futex resumed>) = 0 [pid 11461] <... truncate resumed>) = 0 [pid 11458] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11457] <... futex resumed>) = 0 [pid 11456] <... futex resumed>) = 0 [pid 11455] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11454] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11467] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11461] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11460] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11458] <... mprotect resumed>) = 0 [pid 11457] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11456] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11455] <... mprotect resumed>) = 0 [pid 11454] <... mprotect resumed>) = 0 [pid 11462] <... mount resumed>) = 0 [pid 11461] <... futex resumed>) = 0 [pid 11460] <... futex resumed>) = 0 [pid 11458] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11462] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11461] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11460] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11458] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11455] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11454] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11462] <... openat resumed>) = 3 [pid 11458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11455] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11454] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 11469 attached [pid 11462] chdir("./file0" [pid 11455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11454] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11470 attached [pid 11469] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11462] <... chdir resumed>) = 0 [pid 11458] <... clone3 resumed> => {parent_tid=[11469]}, 88) = 11469 [pid 11470] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11458] rt_sigprocmask(SIG_SETMASK, [], [pid 11455] <... clone3 resumed> => {parent_tid=[11470]}, 88) = 11470 [pid 11454] <... clone3 resumed> => {parent_tid=[11471]}, 88) = 11471 [pid 11458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11455] rt_sigprocmask(SIG_SETMASK, [], [pid 11454] rt_sigprocmask(SIG_SETMASK, [], [pid 11470] <... rseq resumed>) = 0 [pid 11462] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11458] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11458] <... futex resumed>) = 0 [pid 11455] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11454] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11470] set_robust_list(0x7f43d31469a0, 24 [pid 11462] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11458] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11455] <... futex resumed>) = 0 [pid 11454] <... futex resumed>) = 0 [pid 11470] <... set_robust_list resumed>) = 0 [pid 11462] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11455] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11454] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11470] rt_sigprocmask(SIG_SETMASK, [], [pid 11462] <... futex resumed>) = 1 [pid 11459] <... futex resumed>) = 0 [pid 11470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11462] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11459] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11456] <... fsconfig resumed>) = 0 [ 331.991580][T11457] NILFS (loop4): error -5 truncating bmap (ino=16) [ 331.996580][T11460] NILFS (loop1): error -5 truncating bmap (ino=16) [ 332.004917][T11461] Remounting filesystem read-only [ 332.015771][T11461] NILFS (loop2): error -5 truncating bmap (ino=16) [ 332.023185][T11468] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 332.039498][T11456] NILFS (loop3): mounting fs with errors [pid 11470] fspick(AT_FDCWD, ".", 0 [pid 11469] <... rseq resumed>) = 0 [pid 11462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11459] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11471 attached [pid 11470] <... fspick resumed>) = 4 [pid 11462] truncate("./file2", 0 [pid 11459] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11471] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11470] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11469] set_robust_list(0x7f43d31469a0, 24 [pid 11471] <... rseq resumed>) = 0 [pid 11470] <... futex resumed>) = 1 [pid 11469] <... set_robust_list resumed>) = 0 [pid 11455] <... futex resumed>) = 0 [pid 11469] rt_sigprocmask(SIG_SETMASK, [], [pid 11455] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11470] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11471] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11460] <... futex resumed>) = 0 [pid 11455] <... futex resumed>) = 1 [pid 11460] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11455] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11471] rt_sigprocmask(SIG_SETMASK, [], [pid 11469] fspick(AT_FDCWD, ".", 0 [pid 11456] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11456] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11460] <... fsconfig resumed>) = 0 [pid 11460] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11455] <... futex resumed>) = 0 [pid 11455] exit_group(0) = ? [pid 11460] <... futex resumed>) = ? [pid 11471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11470] <... futex resumed>) = ? [pid 11469] <... fspick resumed>) = 4 [pid 11460] +++ exited with 0 +++ [pid 11453] <... futex resumed>) = 0 [pid 11471] fspick(AT_FDCWD, ".", 0 [pid 11469] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11453] exit_group(0 [pid 11471] <... fspick resumed>) = 4 [pid 11469] <... futex resumed>) = 1 [pid 11467] <... futex resumed>) = ? [pid 11458] <... futex resumed>) = 0 [pid 11456] <... futex resumed>) = ? [pid 11453] <... exit_group resumed>) = ? [pid 11471] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11470] +++ exited with 0 +++ [pid 11469] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11467] +++ exited with 0 +++ [pid 11458] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11456] +++ exited with 0 +++ [pid 11455] +++ exited with 0 +++ [pid 11453] +++ exited with 0 +++ [pid 11471] <... futex resumed>) = 1 [pid 11461] <... futex resumed>) = 0 [pid 11458] <... futex resumed>) = 1 [pid 11454] <... futex resumed>) = 0 [pid 11471] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11461] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11458] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11454] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11453, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 11462] <... truncate resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11455, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 11462] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11459] <... futex resumed>) = 0 [pid 11462] <... futex resumed>) = 1 [pid 11459] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11462] fspick(AT_FDCWD, ".", 0 [pid 11459] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11462] <... fspick resumed>) = 4 [ 332.058784][T11462] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 332.059701][T11460] NILFS (loop1): mounting fs with errors [ 332.076034][T11462] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 332.087107][T11462] Remounting filesystem read-only [ 332.092229][T11462] NILFS (loop0): error -5 truncating bmap (ino=16) [pid 11462] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11457] <... futex resumed>) = 0 [pid 11454] <... futex resumed>) = 1 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 11457] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 11462] <... futex resumed>) = 1 [pid 11459] <... futex resumed>) = 0 [pid 11454] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11462] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11459] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11459] <... futex resumed>) = 0 [pid 11462] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11459] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11461] <... fsconfig resumed>) = 0 [pid 11457] <... fsconfig resumed>) = 0 [pid 11461] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11457] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11454] <... futex resumed>) = 0 [pid 5070] umount2("./330", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./328", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11461] <... futex resumed>) = 1 [pid 11458] <... futex resumed>) = 0 [pid 11457] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11454] exit_group(0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11471] <... futex resumed>) = ? [pid 11461] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11458] exit_group(0 [pid 11457] <... futex resumed>) = ? [pid 11454] <... exit_group resumed>) = ? [pid 11462] <... fsconfig resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./330", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] openat(AT_FDCWD, "./328", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11471] +++ exited with 0 +++ [pid 11457] +++ exited with 0 +++ [pid 5070] <... openat resumed>) = 3 [pid 11454] +++ exited with 0 +++ [pid 5070] newfstatat(3, "", [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11454, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5068] <... openat resumed>) = 3 [pid 11469] <... futex resumed>) = ? [pid 11462] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11458] <... exit_group resumed>) = ? [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] <... restart_syscall resumed>) = 0 [pid 5070] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11461] <... futex resumed>) = ? [pid 11469] +++ exited with 0 +++ [pid 11462] <... futex resumed>) = 1 [pid 11459] <... futex resumed>) = 0 [pid 5070] umount2("./330/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(3, "", [pid 11462] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] umount2("./333", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./330/binderfs", [pid 5071] openat(AT_FDCWD, "./333", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5070] unlink("./330/binderfs" [pid 5071] newfstatat(3, "", [pid 5070] <... unlink resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] umount2("./330/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./333/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./333/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./333/binderfs") = 0 [pid 11461] +++ exited with 0 +++ [pid 11459] exit_group(0 [pid 11458] +++ exited with 0 +++ [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11459] <... exit_group resumed>) = ? [pid 5071] umount2("./333/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(3, [pid 11462] <... futex resumed>) = ? [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11458, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./331", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./328/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./331", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] newfstatat(AT_FDCWD, "./328/binderfs", [pid 11462] +++ exited with 0 +++ [pid 11459] +++ exited with 0 +++ [pid 5069] <... openat resumed>) = 3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] newfstatat(3, "", [pid 5068] unlink("./328/binderfs" [pid 5070] <... umount2 resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, [pid 5068] <... unlink resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11459, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5070] umount2("./330/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [ 332.104121][T11461] NILFS (loop2): mounting fs with errors [ 332.110816][T11457] NILFS (loop4): mounting fs with errors [ 332.114734][T11462] NILFS (loop0): mounting fs with errors [pid 5068] umount2("./328/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./331", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./331/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./331/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] unlink("./331/binderfs" [pid 5067] openat(AT_FDCWD, "./331", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... unlink resumed>) = 0 [pid 5069] umount2("./331/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] newfstatat(AT_FDCWD, "./330/file0", [pid 5067] <... openat resumed>) = 3 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] newfstatat(3, "", [pid 5070] umount2("./330/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] umount2("./333/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "./330/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... umount2 resumed>) = 0 [pid 5067] getdents64(3, [pid 5070] <... openat resumed>) = 4 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(4, "", [pid 5067] umount2("./331/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] newfstatat(AT_FDCWD, "./333/file0", [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] getdents64(4, [pid 5069] <... umount2 resumed>) = 0 [pid 5068] umount2("./328/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] newfstatat(AT_FDCWD, "./331/binderfs", [pid 5071] umount2("./333/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(4, [pid 5067] unlink("./331/binderfs" [pid 5071] openat(AT_FDCWD, "./333/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./331/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] <... unlink resumed>) = 0 [pid 5070] close(4 [pid 5069] newfstatat(AT_FDCWD, "./331/file0", [pid 5068] newfstatat(AT_FDCWD, "./328/file0", [pid 5071] <... openat resumed>) = 4 [pid 5070] <... close resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./331/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] newfstatat(4, "", [pid 5070] rmdir("./330/file0" [pid 5069] umount2("./331/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./331/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5068] umount2("./328/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(4, [pid 5070] getdents64(3, [pid 5069] newfstatat(4, "", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] openat(AT_FDCWD, "./328/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] getdents64(4, [pid 5070] close(3 [pid 5069] getdents64(4, [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] <... close resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5071] close(4 [pid 5070] rmdir("./330" [pid 5068] newfstatat(4, "", [pid 5071] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] rmdir("./331/file0" [pid 5070] mkdir("./331", 0777 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] rmdir("./333/file0" [pid 5069] <... rmdir resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5068] getdents64(4, [pid 5067] <... umount2 resumed>) = 0 [pid 5069] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./331" [pid 5071] getdents64(3, [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] umount2("./331/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(4, [pid 5070] <... openat resumed>) = 3 [pid 5069] mkdir("./332", 0777 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] close(3 [pid 5068] close(4 [pid 5067] newfstatat(AT_FDCWD, "./331/file0", [pid 5068] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5068] rmdir("./328/file0" [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] rmdir("./333" [pid 5069] <... mkdir resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] umount2("./331/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(3, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] openat(AT_FDCWD, "./331/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] close(3 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5071] mkdir("./334", 0777 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] rmdir("./328" [pid 5067] newfstatat(4, "", [pid 5071] <... mkdir resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5068] <... rmdir resumed>) = 0 [pid 5067] getdents64(4, [pid 5071] <... openat resumed>) = 3 [pid 5068] mkdir("./329", 0777 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5067] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4 [pid 5068] <... mkdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] <... close resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] rmdir("./331/file0" [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] <... rmdir resumed>) = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] close(3) = 0 [pid 5067] rmdir("./331") = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 5067] mkdir("./332", 0777 [pid 5070] close(3 [pid 5067] <... mkdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 11472 attached [pid 5071] <... ioctl resumed>) = 0 [pid 11472] set_robust_list(0x555589d386a0, 24 [pid 5071] close(3 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11472 [pid 5069] <... ioctl resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 11472] <... set_robust_list resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11472] chdir("./331" [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] close(3) = 0 [pid 11472] <... chdir resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11474 attached [pid 11472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11473 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11474 ./strace-static-x86_64: Process 11473 attached [pid 11473] set_robust_list(0x555589d386a0, 24 [pid 11474] set_robust_list(0x555589d386a0, 24 [pid 11472] <... prctl resumed>) = 0 [pid 11473] <... set_robust_list resumed>) = 0 [pid 11473] chdir("./334") = 0 [pid 11473] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11472] setpgid(0, 0 [pid 11473] <... prctl resumed>) = 0 [pid 11474] <... set_robust_list resumed>) = 0 [pid 11473] setpgid(0, 0 [pid 11474] chdir("./332" [pid 11473] <... setpgid resumed>) = 0 [pid 11473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... ioctl resumed>) = 0 [pid 11473] <... openat resumed>) = 3 [pid 5068] close(3) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11473] write(3, "1000", 4./strace-static-x86_64: Process 11475 attached ) = 4 [pid 11474] <... chdir resumed>) = 0 [pid 11472] <... setpgid resumed>) = 0 [pid 11475] set_robust_list(0x555589d386a0, 24 [pid 11473] close(3 [pid 11472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11475 [pid 11474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11475] <... set_robust_list resumed>) = 0 [pid 11474] <... prctl resumed>) = 0 [pid 11473] <... close resumed>) = 0 [pid 11475] chdir("./329" [pid 11473] symlink("/dev/binderfs", "./binderfs" [pid 11472] <... openat resumed>) = 3 [pid 11474] setpgid(0, 0 [pid 11475] <... chdir resumed>) = 0 [pid 11474] <... setpgid resumed>) = 0 [pid 11472] write(3, "1000", 4 [pid 11474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11472] <... write resumed>) = 4 [pid 11474] <... openat resumed>) = 3 [pid 11472] close(3 [pid 11474] write(3, "1000", 4 [pid 11472] <... close resumed>) = 0 [pid 11474] <... write resumed>) = 4 [pid 11472] symlink("/dev/binderfs", "./binderfs" [pid 11474] close(3 [pid 11472] <... symlink resumed>) = 0 [pid 5067] <... ioctl resumed>) = 0 [pid 11475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11474] <... close resumed>) = 0 [pid 11473] <... symlink resumed>) = 0 [pid 11474] symlink("/dev/binderfs", "./binderfs" [pid 11472] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11475] <... prctl resumed>) = 0 [pid 11474] <... symlink resumed>) = 0 [pid 11473] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11472] <... futex resumed>) = 0 [pid 11475] setpgid(0, 0 [pid 11474] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11473] <... futex resumed>) = 0 [pid 11474] <... futex resumed>) = 0 [pid 11474] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11472] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11475] <... setpgid resumed>) = 0 [pid 11474] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11473] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11472] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] close(3 [pid 11475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11473] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] <... close resumed>) = 0 [pid 11475] <... openat resumed>) = 3 [pid 11474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11473] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11475] write(3, "1000", 4 [pid 11473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11475] <... write resumed>) = 4 [pid 11473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11474] <... mmap resumed>) = 0x7f43d3147000 [pid 11474] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11473] <... mmap resumed>) = 0x7f43d3147000 [pid 11472] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 11476 attached [pid 11475] close(3 [pid 11474] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11473] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11476] set_robust_list(0x555589d386a0, 24 [pid 11475] <... close resumed>) = 0 [pid 11474] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11473] <... mprotect resumed>) = 0 [pid 11472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11476 [pid 11476] <... set_robust_list resumed>) = 0 [pid 11475] symlink("/dev/binderfs", "./binderfs" [pid 11474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11473] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 11477 attached [pid 11476] chdir("./332" [pid 11475] <... symlink resumed>) = 0 [pid 11473] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11472] <... mmap resumed>) = 0x7f43d3147000 [pid 11477] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11476] <... chdir resumed>) = 0 [pid 11475] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11474] <... clone3 resumed> => {parent_tid=[11477]}, 88) = 11477 [pid 11473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11472] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 11478 attached [pid 11477] <... rseq resumed>) = 0 [pid 11476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11475] <... futex resumed>) = 0 [pid 11474] rt_sigprocmask(SIG_SETMASK, [], [pid 11472] <... mprotect resumed>) = 0 [pid 11478] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11477] set_robust_list(0x7f43d31679a0, 24 [pid 11476] <... prctl resumed>) = 0 [pid 11475] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11473] <... clone3 resumed> => {parent_tid=[11478]}, 88) = 11478 [pid 11472] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11478] <... rseq resumed>) = 0 [pid 11477] <... set_robust_list resumed>) = 0 [pid 11476] setpgid(0, 0 [pid 11475] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11474] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11473] rt_sigprocmask(SIG_SETMASK, [], [pid 11472] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11478] set_robust_list(0x7f43d31679a0, 24 [pid 11477] rt_sigprocmask(SIG_SETMASK, [], [pid 11476] <... setpgid resumed>) = 0 [pid 11475] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11474] <... futex resumed>) = 0 [pid 11473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11479 attached [pid 11478] <... set_robust_list resumed>) = 0 [pid 11477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11474] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11473] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11479] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11478] rt_sigprocmask(SIG_SETMASK, [], [pid 11477] memfd_create("syzkaller", 0 [pid 11476] <... openat resumed>) = 3 [pid 11475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11473] <... futex resumed>) = 0 [pid 11479] <... rseq resumed>) = 0 [pid 11478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11477] <... memfd_create resumed>) = 3 [pid 11476] write(3, "1000", 4 [pid 11475] <... mmap resumed>) = 0x7f43d3147000 [pid 11473] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11472] <... clone3 resumed> => {parent_tid=[11479]}, 88) = 11479 [pid 11479] set_robust_list(0x7f43d31679a0, 24 [pid 11478] memfd_create("syzkaller", 0 [pid 11477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11476] <... write resumed>) = 4 [pid 11475] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11472] rt_sigprocmask(SIG_SETMASK, [], [pid 11479] <... set_robust_list resumed>) = 0 [pid 11478] <... memfd_create resumed>) = 3 [pid 11477] <... mmap resumed>) = 0x7f43cac00000 [pid 11476] close(3 [pid 11472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11479] rt_sigprocmask(SIG_SETMASK, [], [pid 11478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11476] <... close resumed>) = 0 [pid 11475] <... mprotect resumed>) = 0 [pid 11472] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11478] <... mmap resumed>) = 0x7f43cac00000 [pid 11476] symlink("/dev/binderfs", "./binderfs" [pid 11475] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11479] memfd_create("syzkaller", 0 [pid 11472] <... futex resumed>) = 0 [pid 11479] <... memfd_create resumed>) = 3 [pid 11472] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11479] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11476] <... symlink resumed>) = 0 [pid 11475] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11479] <... mmap resumed>) = 0x7f43cac00000 [pid 11477] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11476] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11480 attached ) = 0 [pid 11475] <... clone3 resumed> => {parent_tid=[11480]}, 88) = 11480 [pid 11480] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 11480] set_robust_list(0x7f43d31679a0, 24 [pid 11476] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11475] rt_sigprocmask(SIG_SETMASK, [], [pid 11480] <... set_robust_list resumed>) = 0 [pid 11479] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11478] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11476] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11480] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11475] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11480] <... futex resumed>) = 0 [pid 11475] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11480] memfd_create("syzkaller", 0 [pid 11476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11480] <... memfd_create resumed>) = 3 [pid 11480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11477] <... write resumed>) = 1048576 [pid 11476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11480] <... mmap resumed>) = 0x7f43cac00000 [pid 11476] <... mmap resumed>) = 0x7f43d3147000 [pid 11478] <... write resumed>) = 1048576 [pid 11476] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11476] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11478] munmap(0x7f43cac00000, 138412032 [pid 11476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11481 attached [pid 11478] <... munmap resumed>) = 0 [pid 11477] munmap(0x7f43cac00000, 138412032 [pid 11481] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11476] <... clone3 resumed> => {parent_tid=[11481]}, 88) = 11481 [pid 11481] <... rseq resumed>) = 0 [pid 11478] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11476] rt_sigprocmask(SIG_SETMASK, [], [pid 11481] set_robust_list(0x7f43d31679a0, 24 [pid 11478] <... openat resumed>) = 4 [pid 11476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11481] <... set_robust_list resumed>) = 0 [pid 11476] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11481] rt_sigprocmask(SIG_SETMASK, [], [pid 11478] ioctl(4, LOOP_SET_FD, 3 [pid 11476] <... futex resumed>) = 0 [pid 11481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11480] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11479] <... write resumed>) = 1048576 [pid 11477] <... munmap resumed>) = 0 [pid 11481] memfd_create("syzkaller", 0 [pid 11476] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11481] <... memfd_create resumed>) = 3 [pid 11479] munmap(0x7f43cac00000, 138412032 [pid 11478] <... ioctl resumed>) = 0 [pid 11477] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11481] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11478] close(3) = 0 [pid 11478] close(4 [pid 11477] <... openat resumed>) = 4 [pid 11478] <... close resumed>) = 0 [pid 11481] <... mmap resumed>) = 0x7f43cac00000 [pid 11478] mkdir("./file0", 0777 [pid 11480] <... write resumed>) = 1048576 [pid 11479] <... munmap resumed>) = 0 [pid 11478] <... mkdir resumed>) = 0 [pid 11479] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11479] ioctl(4, LOOP_SET_FD, 3 [pid 11481] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11479] <... ioctl resumed>) = 0 [pid 11478] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11477] ioctl(4, LOOP_SET_FD, 3 [pid 11480] munmap(0x7f43cac00000, 138412032) = 0 [ 332.446024][T11478] loop4: detected capacity change from 0 to 2048 [ 332.472765][T11479] loop3: detected capacity change from 0 to 2048 [pid 11480] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11479] close(3 [pid 11480] ioctl(4, LOOP_SET_FD, 3 [pid 11479] <... close resumed>) = 0 [pid 11479] close(4) = 0 [pid 11479] mkdir("./file0", 0777) = 0 [pid 11481] <... write resumed>) = 1048576 [pid 11479] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11477] <... ioctl resumed>) = 0 [pid 11477] close(3) = 0 [pid 11481] munmap(0x7f43cac00000, 138412032 [pid 11480] <... ioctl resumed>) = 0 [pid 11477] close(4) = 0 [pid 11477] mkdir("./file0", 0777) = 0 [ 332.492314][T11477] loop2: detected capacity change from 0 to 2048 [ 332.494751][T11480] loop1: detected capacity change from 0 to 2048 [ 332.506716][T11478] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 332.522516][T11479] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11480] close(3 [pid 11481] <... munmap resumed>) = 0 [pid 11480] <... close resumed>) = 0 [pid 11477] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11480] close(4) = 0 [pid 11480] mkdir("./file0", 0777) = 0 [pid 11480] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11481] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11481] ioctl(4, LOOP_SET_FD, 3 [pid 11478] <... mount resumed>) = 0 [pid 11478] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11478] chdir("./file0") = 0 [pid 11478] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11479] <... mount resumed>) = 0 [pid 11478] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11478] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11479] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11478] <... futex resumed>) = 1 [pid 11479] <... openat resumed>) = 3 [pid 11478] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11479] chdir("./file0") = 0 [pid 11479] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11479] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11472] <... futex resumed>) = 0 [pid 11479] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11472] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11472] <... futex resumed>) = 0 [ 332.537301][T11482] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 332.555127][T11477] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 332.557613][T11481] loop0: detected capacity change from 0 to 2048 [ 332.572809][T11480] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 332.584331][T11483] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11479] truncate("./file2", 0 [pid 11481] <... ioctl resumed>) = 0 [pid 11477] <... mount resumed>) = 0 [pid 11473] <... futex resumed>) = 0 [pid 11472] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11473] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11473] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11481] close(3) = 0 [pid 11481] close(4) = 0 [pid 11481] mkdir("./file0", 0777) = 0 [pid 11481] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [ 332.609403][T11484] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 332.614606][T11485] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 332.633665][T11481] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 332.645203][T11479] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11478] <... futex resumed>) = 0 [pid 11478] truncate("./file2", 0 [pid 11477] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11477] chdir("./file0" [pid 11480] <... mount resumed>) = 0 [pid 11477] <... chdir resumed>) = 0 [pid 11480] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11477] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11480] <... openat resumed>) = 3 [pid 11480] chdir("./file0" [pid 11477] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11477] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11480] <... chdir resumed>) = 0 [pid 11477] <... futex resumed>) = 1 [pid 11477] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11480] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11474] <... futex resumed>) = 0 [pid 11473] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11473] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11473] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11474] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11473] <... mprotect resumed>) = 0 [pid 11473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11486 attached [pid 11474] <... futex resumed>) = 1 [pid 11472] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11486] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11473] <... clone3 resumed> => {parent_tid=[11486]}, 88) = 11486 [pid 11474] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11472] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11486] <... rseq resumed>) = 0 [pid 11480] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11477] <... futex resumed>) = 0 [pid 11473] rt_sigprocmask(SIG_SETMASK, [], [pid 11472] <... futex resumed>) = 0 [pid 11486] set_robust_list(0x7f43d31469a0, 24 [pid 11473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11486] <... set_robust_list resumed>) = 0 [pid 11473] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11486] rt_sigprocmask(SIG_SETMASK, [], [pid 11473] <... futex resumed>) = 0 [pid 11486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11473] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11486] fspick(AT_FDCWD, ".", 0) = 4 [pid 11486] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11473] <... futex resumed>) = 0 [pid 11486] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11477] truncate("./file2", 0 [pid 11473] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11480] <... futex resumed>) = 1 [pid 11486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11473] <... futex resumed>) = 0 [pid 11486] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11473] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11475] <... futex resumed>) = 0 [pid 11475] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11475] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11480] truncate("./file2", 0 [pid 11472] <... mmap resumed>) = 0x7f43d3126000 [pid 11472] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [ 332.647619][T11478] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 332.669484][T11479] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 332.680332][T11479] Remounting filesystem read-only [ 332.690274][T11487] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11472] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11474] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11479] <... truncate resumed>) = 0 [ 332.711564][T11480] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 332.713541][T11478] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 332.724125][T11477] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 332.739457][T11479] NILFS (loop3): error -5 truncating bmap (ino=16) [ 332.742183][T11477] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11479] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 11488 attached [pid 11481] <... mount resumed>) = 0 [pid 11479] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11475] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11474] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11473] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11488] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11481] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11474] <... futex resumed>) = 0 [pid 11472] <... clone3 resumed> => {parent_tid=[11488]}, 88) = 11488 [pid 11488] <... rseq resumed>) = 0 [pid 11481] <... openat resumed>) = 3 [pid 11474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11472] rt_sigprocmask(SIG_SETMASK, [], [pid 11488] set_robust_list(0x7f43d31469a0, 24 [pid 11481] chdir("./file0" [pid 11474] <... mmap resumed>) = 0x7f43d3126000 [pid 11472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11488] <... set_robust_list resumed>) = 0 [pid 11475] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11474] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11472] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11488] rt_sigprocmask(SIG_SETMASK, [], [pid 11481] <... chdir resumed>) = 0 [pid 11475] <... futex resumed>) = 0 [pid 11474] <... mprotect resumed>) = 0 [pid 11472] <... futex resumed>) = 0 [pid 11488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11472] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 332.759144][T11480] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 332.761850][T11478] Remounting filesystem read-only [ 332.774062][T11477] Remounting filesystem read-only [ 332.775418][T11480] Remounting filesystem read-only [ 332.779107][T11477] NILFS (loop2): error -5 truncating bmap (ino=16) [ 332.789890][T11480] NILFS (loop1): error -5 truncating bmap (ino=16) [pid 11488] fspick(AT_FDCWD, ".", 0) = 4 [pid 11481] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11480] <... truncate resumed>) = 0 [pid 11475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11474] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11481] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11475] <... mmap resumed>) = 0x7f43d3126000 [pid 11481] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11475] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11481] <... futex resumed>) = 1 [pid 11476] <... futex resumed>) = 0 [pid 11475] <... mprotect resumed>) = 0 [pid 11481] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11476] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11475] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11488] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11480] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11478] <... truncate resumed>) = 0 [pid 11477] <... truncate resumed>) = 0 [pid 11476] <... futex resumed>) = 0 [pid 11475] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11474] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11488] <... futex resumed>) = 1 [pid 11481] truncate("./file2", 0 [pid 11480] <... futex resumed>) = 0 [pid 11478] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11477] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11476] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11472] <... futex resumed>) = 0 [pid 11488] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11480] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11478] <... futex resumed>) = 0 [pid 11477] <... futex resumed>) = 0 [pid 11472] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11478] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11479] <... futex resumed>) = 0 [pid 11477] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11475] <... clone3 resumed> => {parent_tid=[11490]}, 88) = 11490 [pid 11474] <... clone3 resumed> => {parent_tid=[11489]}, 88) = 11489 [pid 11472] <... futex resumed>) = 1 ./strace-static-x86_64: Process 11490 attached [pid 11479] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11475] rt_sigprocmask(SIG_SETMASK, [], [pid 11474] rt_sigprocmask(SIG_SETMASK, [], [pid 11472] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11474] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11474] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11486] <... fsconfig resumed>) = 0 [pid 11486] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11486] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11489 attached [pid 11490] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11473] exit_group(0 [pid 11490] <... rseq resumed>) = 0 [pid 11489] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11486] <... futex resumed>) = ? [pid 11479] <... fsconfig resumed>) = 0 [pid 11478] <... futex resumed>) = ? [pid 11473] <... exit_group resumed>) = ? [pid 11490] set_robust_list(0x7f43d31469a0, 24 [pid 11489] <... rseq resumed>) = 0 [pid 11486] +++ exited with 0 +++ [pid 11478] +++ exited with 0 +++ [pid 11473] +++ exited with 0 +++ [pid 11490] <... set_robust_list resumed>) = 0 [pid 11489] set_robust_list(0x7f43d31469a0, 24 [pid 11479] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11473, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 11490] rt_sigprocmask(SIG_SETMASK, [], [pid 11489] <... set_robust_list resumed>) = 0 [pid 11479] <... futex resumed>) = 1 [pid 11472] <... futex resumed>) = 0 [pid 11490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11489] rt_sigprocmask(SIG_SETMASK, [], [pid 11479] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11475] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11472] exit_group(0 [pid 11490] fspick(AT_FDCWD, ".", 0 [pid 11489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11490] <... fspick resumed>) = 4 [ 332.813953][T11478] NILFS (loop4): error -5 truncating bmap (ino=16) [ 332.821752][T11486] NILFS (loop4): mounting fs with errors [ 332.832033][T11481] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 332.836999][T11479] NILFS (loop3): mounting fs with errors [ 332.843614][T11481] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11489] fspick(AT_FDCWD, ".", 0 [pid 11488] <... futex resumed>) = ? [pid 11479] <... futex resumed>) = ? [pid 11472] <... exit_group resumed>) = ? [pid 11490] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11489] <... fspick resumed>) = 4 [pid 11488] +++ exited with 0 +++ [pid 11479] +++ exited with 0 +++ [pid 11475] <... futex resumed>) = 0 [pid 11472] +++ exited with 0 +++ [pid 11490] <... futex resumed>) = 0 [pid 11489] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] umount2("./334", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11490] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11474] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11474] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] openat(AT_FDCWD, "./334", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11472, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 11489] <... futex resumed>) = 1 [pid 11477] <... futex resumed>) = 0 [pid 11474] <... futex resumed>) = 1 [pid 5071] <... openat resumed>) = 3 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 11489] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11477] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11474] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] newfstatat(3, "", [pid 5070] <... restart_syscall resumed>) = 0 [pid 11481] <... truncate resumed>) = 0 [pid 11475] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11481] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11481] <... futex resumed>) = 1 [pid 11476] <... futex resumed>) = 0 [pid 11475] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11481] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11480] <... futex resumed>) = 0 [pid 11476] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11475] <... futex resumed>) = 1 [pid 11481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11480] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11476] <... futex resumed>) = 0 [pid 11475] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11481] fspick(AT_FDCWD, ".", 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./331", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./334/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./331", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11481] <... fspick resumed>) = 4 [pid 11476] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] newfstatat(AT_FDCWD, "./334/binderfs", [pid 5070] <... openat resumed>) = 3 [pid 11481] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] newfstatat(3, "", [pid 11481] <... futex resumed>) = 0 [pid 11480] <... fsconfig resumed>) = 0 [pid 11477] <... fsconfig resumed>) = 0 [pid 11476] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] unlink("./334/binderfs" [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11481] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11480] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11477] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11476] <... futex resumed>) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5070] getdents64(3, [pid 5071] umount2("./334/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./331/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./331/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] unlink("./331/binderfs") = 0 [pid 5070] umount2("./331/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11477] <... futex resumed>) = 1 [pid 11476] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11474] <... futex resumed>) = 0 [pid 11480] <... futex resumed>) = 1 [pid 11477] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11475] <... futex resumed>) = 0 [pid 11474] exit_group(0 [pid 11489] <... futex resumed>) = ? [pid 11477] <... futex resumed>) = ? [pid 11475] exit_group(0 [pid 11474] <... exit_group resumed>) = ? [pid 11477] +++ exited with 0 +++ [pid 11475] <... exit_group resumed>) = ? [pid 11490] <... futex resumed>) = ? [pid 11481] <... fsconfig resumed>) = 0 [pid 11480] +++ exited with 0 +++ [pid 11481] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11476] <... futex resumed>) = 0 [pid 11476] exit_group(0) = ? [pid 11481] <... futex resumed>) = ? [pid 11490] +++ exited with 0 +++ [pid 11489] +++ exited with 0 +++ [pid 11481] +++ exited with 0 +++ [pid 11476] +++ exited with 0 +++ [pid 11475] +++ exited with 0 +++ [pid 11474] +++ exited with 0 +++ [pid 5071] <... umount2 resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5071] umount2("./334/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11474, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11476, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5070] umount2("./331/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11475, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./334/file0", [pid 5070] newfstatat(AT_FDCWD, "./331/file0", [pid 5068] <... restart_syscall resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./332", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./334/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./331/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./334/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] openat(AT_FDCWD, "./332", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "./331/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... openat resumed>) = 4 [pid 5070] <... openat resumed>) = 4 [pid 5067] <... openat resumed>) = 3 [pid 5071] newfstatat(4, "", [pid 5070] newfstatat(4, "", [pid 5069] umount2("./332", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./329", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] newfstatat(3, "", [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(4, [pid 5070] getdents64(4, [pid 5068] openat(AT_FDCWD, "./329", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] openat(AT_FDCWD, "./332", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] getdents64(3, [pid 5071] getdents64(4, [pid 5068] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] getdents64(4, [pid 5068] newfstatat(3, "", [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] close(4 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5067] umount2("./332/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... close resumed>) = 0 [pid 5070] close(4 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] rmdir("./334/file0" [pid 5070] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 332.860253][T11481] Remounting filesystem read-only [ 332.866001][T11481] NILFS (loop0): error -5 truncating bmap (ino=16) [ 332.873548][T11477] NILFS (loop2): mounting fs with errors [ 332.875712][T11480] NILFS (loop1): mounting fs with errors [ 332.890520][T11481] NILFS (loop0): mounting fs with errors [pid 5069] newfstatat(3, "", [pid 5068] getdents64(3, [pid 5071] <... rmdir resumed>) = 0 [pid 5070] rmdir("./331/file0" [pid 5067] newfstatat(AT_FDCWD, "./332/binderfs", [pid 5071] getdents64(3, [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./329/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] getdents64(3, [pid 5067] unlink("./332/binderfs" [pid 5071] close(3 [pid 5069] getdents64(3, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] newfstatat(AT_FDCWD, "./329/binderfs", [pid 5067] <... unlink resumed>) = 0 [pid 5071] rmdir("./334" [pid 5070] close(3 [pid 5069] umount2("./332/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./332/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] unlink("./329/binderfs" [pid 5071] mkdir("./335", 0777 [pid 5070] rmdir("./331" [pid 5069] newfstatat(AT_FDCWD, "./332/binderfs", [pid 5068] <... unlink resumed>) = 0 [pid 5068] umount2("./329/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... mkdir resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5069] unlink("./332/binderfs" [pid 5067] umount2("./332/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] mkdir("./332", 0777 [pid 5068] umount2("./329/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 3 [pid 5069] <... unlink resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./329/file0", [pid 5067] newfstatat(AT_FDCWD, "./332/file0", [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./329/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] umount2("./332/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./332/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./332/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] newfstatat(4, "", [pid 5070] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./329/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5068] <... openat resumed>) = 4 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] newfstatat(4, "", [pid 5067] getdents64(4, [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, [pid 5068] getdents64(4, [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] umount2("./332/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] close(4 [pid 5067] <... close resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./332/file0", [pid 5068] <... close resumed>) = 0 [pid 5067] rmdir("./332/file0" [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] rmdir("./329/file0" [pid 5067] <... rmdir resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5069] umount2("./332/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./332/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] getdents64(3, [pid 5068] getdents64(3, [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] newfstatat(4, "", [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] close(3 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] close(3 [pid 5067] <... close resumed>) = 0 [pid 5069] getdents64(4, [pid 5068] <... close resumed>) = 0 [pid 5067] rmdir("./332" [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] close(3 [pid 5068] rmdir("./329" [pid 5067] <... rmdir resumed>) = 0 [pid 5069] getdents64(4, [pid 5071] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] close(4) = 0 [pid 5067] mkdir("./333", 0777 [pid 5069] rmdir("./332/file0" [pid 5068] mkdir("./330", 0777 [pid 5067] <... mkdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ./strace-static-x86_64: Process 11491 attached [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11491 [pid 5069] getdents64(3, [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11491] set_robust_list(0x555589d386a0, 24) = 0 [pid 11491] chdir("./335") = 0 [pid 11491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11491] setpgid(0, 0) = 0 [pid 11491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11491] write(3, "1000", 4) = 4 [pid 11491] close(3 [pid 5070] <... ioctl resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5069] close(3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./332") = 0 [pid 5069] mkdir("./333", 0777 [pid 11491] <... close resumed>) = 0 [pid 5070] close(3 [pid 11491] symlink("/dev/binderfs", "./binderfs" [pid 5070] <... close resumed>) = 0 [pid 11491] <... symlink resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 11492 attached [pid 11491] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... openat resumed>) = 3 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11492 [pid 11492] set_robust_list(0x555589d386a0, 24) = 0 [pid 11491] <... futex resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 11492] chdir("./332" [pid 11491] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11492] <... chdir resumed>) = 0 [pid 11491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11492] <... prctl resumed>) = 0 [pid 11491] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11492] setpgid(0, 0) = 0 [pid 11491] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11491] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11492] <... openat resumed>) = 3 [pid 11491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5068] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 11493 attached [pid 11492] write(3, "1000", 4 [pid 11491] <... clone3 resumed> => {parent_tid=[11493]}, 88) = 11493 [pid 5068] close(3 [pid 5067] <... ioctl resumed>) = 0 [pid 11491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11491] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11491] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11492] <... write resumed>) = 4 [pid 11492] close(3) = 0 [pid 11492] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11493] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 11493] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11493] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] close(3 [pid 11493] memfd_create("syzkaller", 0 [pid 11492] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... close resumed>) = 0 [pid 11492] <... futex resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11493] <... memfd_create resumed>) = 3 [pid 11492] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11492] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11493] <... mmap resumed>) = 0x7f43cac00000 [pid 11492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11492] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11494 [pid 11492] <... mprotect resumed>) = 0 [pid 11492] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 11494 attached [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11495 [pid 11494] set_robust_list(0x555589d386a0, 24 [pid 11492] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11494] <... set_robust_list resumed>) = 0 [pid 11492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11495 attached [pid 5069] close(3 [pid 11495] set_robust_list(0x555589d386a0, 24./strace-static-x86_64: Process 11496 attached [pid 11494] chdir("./330" [pid 11492] <... clone3 resumed> => {parent_tid=[11496]}, 88) = 11496 [pid 5069] <... close resumed>) = 0 [pid 11496] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11495] <... set_robust_list resumed>) = 0 [pid 11494] <... chdir resumed>) = 0 [pid 11492] rt_sigprocmask(SIG_SETMASK, [], [pid 11496] <... rseq resumed>) = 0 [pid 11495] chdir("./333" [pid 11494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11493] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11496] set_robust_list(0x7f43d31679a0, 24 [pid 11495] <... chdir resumed>) = 0 [pid 11496] <... set_robust_list resumed>) = 0 [pid 11494] <... prctl resumed>) = 0 [pid 11492] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11496] rt_sigprocmask(SIG_SETMASK, [], [pid 11495] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11494] setpgid(0, 0 [pid 11492] <... futex resumed>) = 0 [pid 11496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11495] <... prctl resumed>) = 0 [pid 11492] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11497 attached [pid 11496] memfd_create("syzkaller", 0 [pid 11495] setpgid(0, 0 [pid 11494] <... setpgid resumed>) = 0 [pid 11496] <... memfd_create resumed>) = 3 [pid 11494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11495] <... setpgid resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11497 [pid 11497] set_robust_list(0x555589d386a0, 24 [pid 11495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11494] <... openat resumed>) = 3 [pid 11497] <... set_robust_list resumed>) = 0 [pid 11496] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11495] <... openat resumed>) = 3 [pid 11494] write(3, "1000", 4 [pid 11497] chdir("./333" [pid 11496] <... mmap resumed>) = 0x7f43cac00000 [pid 11496] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11497] <... chdir resumed>) = 0 [pid 11495] write(3, "1000", 4 [pid 11494] <... write resumed>) = 4 [pid 11493] <... write resumed>) = 1048576 [pid 11497] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11495] <... write resumed>) = 4 [pid 11497] <... prctl resumed>) = 0 [pid 11495] close(3 [pid 11497] setpgid(0, 0 [pid 11495] <... close resumed>) = 0 [pid 11494] close(3 [pid 11497] <... setpgid resumed>) = 0 [pid 11495] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11494] <... close resumed>) = 0 [pid 11493] munmap(0x7f43cac00000, 138412032 [pid 11497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11495] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11494] symlink("/dev/binderfs", "./binderfs" [pid 11493] <... munmap resumed>) = 0 [pid 11497] <... openat resumed>) = 3 [pid 11495] <... futex resumed>) = 0 [pid 11494] <... symlink resumed>) = 0 [pid 11493] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11497] write(3, "1000", 4 [pid 11495] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11494] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11493] <... openat resumed>) = 4 [pid 11497] <... write resumed>) = 4 [pid 11495] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11494] <... futex resumed>) = 0 [pid 11493] ioctl(4, LOOP_SET_FD, 3 [pid 11497] close(3 [pid 11496] <... write resumed>) = 1048576 [pid 11495] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11494] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11497] <... close resumed>) = 0 [pid 11496] munmap(0x7f43cac00000, 138412032 [pid 11495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11494] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11493] <... ioctl resumed>) = 0 [pid 11497] symlink("/dev/binderfs", "./binderfs" [pid 11495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11493] close(3 [pid 11497] <... symlink resumed>) = 0 [pid 11496] <... munmap resumed>) = 0 [pid 11495] <... mmap resumed>) = 0x7f43d3147000 [pid 11494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11493] <... close resumed>) = 0 [pid 11494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11497] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11496] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11495] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11493] close(4 [pid 11497] <... futex resumed>) = 0 [pid 11496] <... openat resumed>) = 4 [pid 11495] <... mprotect resumed>) = 0 [pid 11494] <... mmap resumed>) = 0x7f43d3147000 [pid 11493] <... close resumed>) = 0 [pid 11497] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11496] ioctl(4, LOOP_SET_FD, 3 [pid 11495] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11494] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11493] mkdir("./file0", 0777 [pid 11497] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11495] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11494] <... mprotect resumed>) = 0 [pid 11497] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11496] <... ioctl resumed>) = 0 [pid 11495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11493] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 11498 attached [pid 11497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11496] close(3 [pid 11494] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11493] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11498] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11497] <... mmap resumed>) = 0x7f43d3147000 [pid 11496] <... close resumed>) = 0 [pid 11495] <... clone3 resumed> => {parent_tid=[11498]}, 88) = 11498 [pid 11494] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11495] rt_sigprocmask(SIG_SETMASK, [], [pid 11497] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11497] <... mprotect resumed>) = 0 [pid 11495] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11497] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11495] <... futex resumed>) = 0 [pid 11497] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11495] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11494] <... clone3 resumed> => {parent_tid=[11499]}, 88) = 11499 [pid 11496] close(4./strace-static-x86_64: Process 11500 attached [pid 11497] <... clone3 resumed> => {parent_tid=[11500]}, 88) = 11500 [pid 11496] <... close resumed>) = 0 [pid 11500] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11497] rt_sigprocmask(SIG_SETMASK, [], [pid 11496] mkdir("./file0", 0777 [pid 11500] <... rseq resumed>) = 0 [pid 11497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11497] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11496] <... mkdir resumed>) = 0 [pid 11497] <... futex resumed>) = 0 [ 333.201903][T11493] loop4: detected capacity change from 0 to 2048 [ 333.218783][T11496] loop3: detected capacity change from 0 to 2048 [ 333.230343][T11493] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11496] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, ""./strace-static-x86_64: Process 11499 attached [pid 11500] set_robust_list(0x7f43d31679a0, 24 [pid 11498] <... rseq resumed>) = 0 [pid 11497] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11494] rt_sigprocmask(SIG_SETMASK, [], [pid 11499] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11498] set_robust_list(0x7f43d31679a0, 24 [pid 11494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11499] <... rseq resumed>) = 0 [pid 11498] <... set_robust_list resumed>) = 0 [pid 11494] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11499] set_robust_list(0x7f43d31679a0, 24 [pid 11498] rt_sigprocmask(SIG_SETMASK, [], [pid 11499] <... set_robust_list resumed>) = 0 [pid 11494] <... futex resumed>) = 0 [pid 11498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11500] <... set_robust_list resumed>) = 0 [pid 11499] rt_sigprocmask(SIG_SETMASK, [], [pid 11498] memfd_create("syzkaller", 0 [pid 11494] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11498] <... memfd_create resumed>) = 3 [pid 11498] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11499] memfd_create("syzkaller", 0 [pid 11498] <... mmap resumed>) = 0x7f43cac00000 [pid 11500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11500] memfd_create("syzkaller", 0) = 3 [pid 11500] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11499] <... memfd_create resumed>) = 3 [pid 11500] <... mmap resumed>) = 0x7f43cac00000 [pid 11499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11500] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11499] <... mmap resumed>) = 0x7f43cac00000 [pid 11498] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11499] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11493] <... mount resumed>) = 0 [pid 11493] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11493] chdir("./file0") = 0 [pid 11493] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11493] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11493] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11491] <... futex resumed>) = 0 [ 333.252227][T11496] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 333.289712][T11501] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11491] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11493] <... futex resumed>) = 0 [pid 11491] <... futex resumed>) = 1 [pid 11493] truncate("./file2", 0 [pid 11491] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11500] <... write resumed>) = 1048576 [pid 11500] munmap(0x7f43cac00000, 138412032) = 0 [pid 11500] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11500] ioctl(4, LOOP_SET_FD, 3 [pid 11499] <... write resumed>) = 1048576 [pid 11498] <... write resumed>) = 1048576 [pid 11500] <... ioctl resumed>) = 0 [pid 11499] munmap(0x7f43cac00000, 138412032 [pid 11498] munmap(0x7f43cac00000, 138412032 [pid 11496] <... mount resumed>) = 0 [pid 11500] close(3 [pid 11499] <... munmap resumed>) = 0 [pid 11498] <... munmap resumed>) = 0 [pid 11496] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11500] <... close resumed>) = 0 [pid 11496] <... openat resumed>) = 3 [pid 11500] close(4 [ 333.327372][T11502] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 333.343436][T11493] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 333.348520][T11500] loop2: detected capacity change from 0 to 2048 [ 333.359718][T11493] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 333.370640][T11493] Remounting filesystem read-only [pid 11498] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11496] chdir("./file0" [pid 11500] <... close resumed>) = 0 [pid 11499] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11498] <... openat resumed>) = 4 [pid 11496] <... chdir resumed>) = 0 [pid 11500] mkdir("./file0", 0777 [pid 11499] <... openat resumed>) = 4 [pid 11496] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11500] <... mkdir resumed>) = 0 [pid 11499] ioctl(4, LOOP_SET_FD, 3 [pid 11498] ioctl(4, LOOP_SET_FD, 3 [pid 11496] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11496] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11492] <... futex resumed>) = 0 [pid 11491] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11496] truncate("./file2", 0 [pid 11492] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11491] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11492] <... futex resumed>) = 0 [pid 11491] <... futex resumed>) = 0 [pid 11492] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11500] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11493] <... truncate resumed>) = 0 [pid 11491] <... mmap resumed>) = 0x7f43d3126000 [pid 11491] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11491] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11493] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11491] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11503 attached [pid 11493] <... futex resumed>) = 0 [pid 11491] <... clone3 resumed> => {parent_tid=[11503]}, 88) = 11503 [pid 11503] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11498] <... ioctl resumed>) = 0 [pid 11493] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11491] rt_sigprocmask(SIG_SETMASK, [], [pid 11503] <... rseq resumed>) = 0 [pid 11498] close(3 [pid 11491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11503] set_robust_list(0x7f43d31469a0, 24 [pid 11498] <... close resumed>) = 0 [pid 11491] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11503] <... set_robust_list resumed>) = 0 [pid 11498] close(4 [pid 11491] <... futex resumed>) = 0 [pid 11503] rt_sigprocmask(SIG_SETMASK, [], [pid 11498] <... close resumed>) = 0 [pid 11491] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11498] mkdir("./file0", 0777 [pid 11503] fspick(AT_FDCWD, ".", 0) = 4 [pid 11498] <... mkdir resumed>) = 0 [pid 11503] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11499] <... ioctl resumed>) = 0 [pid 11498] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11491] <... futex resumed>) = 0 [pid 11503] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11499] close(3 [pid 11491] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11493] <... futex resumed>) = 0 [pid 11491] <... futex resumed>) = 1 [pid 11499] <... close resumed>) = 0 [ 333.376046][T11493] NILFS (loop4): error -5 truncating bmap (ino=16) [ 333.384550][T11498] loop0: detected capacity change from 0 to 2048 [ 333.393731][T11499] loop1: detected capacity change from 0 to 2048 [ 333.402383][T11496] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11493] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11499] close(4) = 0 [pid 11499] mkdir("./file0", 0777) = 0 [pid 11499] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11491] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11492] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11492] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11492] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11492] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[11504]}, 88) = 11504 [pid 11492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11492] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11492] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11504 attached [pid 11504] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 11504] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11504] fspick(AT_FDCWD, ".", 0) = 4 [pid 11504] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11492] <... futex resumed>) = 0 [pid 11504] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11492] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11492] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11493] <... fsconfig resumed>) = 0 [ 333.424661][T11493] NILFS (loop4): mounting fs with errors [ 333.430441][T11499] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 333.441373][T11496] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 333.445912][T11500] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 333.450853][T11498] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11493] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11491] <... futex resumed>) = 0 [pid 11491] exit_group(0 [pid 11493] exit_group(0 [pid 11503] <... futex resumed>) = ? [pid 11491] <... exit_group resumed>) = ? [pid 11493] +++ exited with 0 +++ [pid 11503] +++ exited with 0 +++ [pid 11491] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11491, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5071] umount2("./335", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./335", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./335/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./335/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./335/binderfs" [pid 11492] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 333.490565][T11496] Remounting filesystem read-only [pid 5071] <... unlink resumed>) = 0 [pid 11499] <... mount resumed>) = 0 [pid 11499] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] umount2("./335/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11499] <... openat resumed>) = 3 [pid 11499] chdir("./file0") = 0 [pid 11499] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11498] <... mount resumed>) = 0 [ 333.529930][T11496] NILFS (loop3): error -5 truncating bmap (ino=16) [ 333.537238][T11505] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 333.545623][T11506] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 333.563178][T11504] NILFS (loop3): mounting fs with errors [pid 11499] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11498] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11496] <... truncate resumed>) = 0 [pid 11499] <... futex resumed>) = 1 [pid 11498] <... openat resumed>) = 3 [pid 11496] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11494] <... futex resumed>) = 0 [pid 11504] <... fsconfig resumed>) = 0 [pid 11499] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11498] chdir("./file0" [pid 11496] <... futex resumed>) = 0 [pid 11494] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11504] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11500] <... mount resumed>) = 0 [pid 11499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11498] <... chdir resumed>) = 0 [pid 11496] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11494] <... futex resumed>) = 0 [pid 11504] <... futex resumed>) = 0 [pid 11500] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11499] truncate("./file2", 0 [pid 11498] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11494] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11492] exit_group(0 [pid 11500] <... openat resumed>) = 3 [pid 11492] <... exit_group resumed>) = ? [pid 11496] <... futex resumed>) = ? [pid 11496] +++ exited with 0 +++ [pid 11500] chdir("./file0") = 0 [pid 11504] +++ exited with 0 +++ [pid 11492] +++ exited with 0 +++ [pid 11500] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11492, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 11498] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11500] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11498] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] umount2("./332", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./332", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(3, [pid 11500] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11498] <... futex resumed>) = 1 [pid 11500] <... futex resumed>) = 1 [pid 11497] <... futex resumed>) = 0 [pid 11495] <... futex resumed>) = 0 [pid 11500] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11498] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./332/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./332/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] unlink("./332/binderfs") = 0 [ 333.570522][T11507] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 333.598521][T11499] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 333.610574][T11499] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 333.621616][T11499] Remounting filesystem read-only [pid 5070] umount2("./332/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = 0 [pid 11500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11497] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11495] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11500] truncate("./file2", 0 [pid 5071] umount2("./335/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11498] truncate("./file2", 0 [pid 11497] <... futex resumed>) = 0 [pid 11495] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11497] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... umount2 resumed>) = 0 [pid 5070] umount2("./332/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./332/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] umount2("./332/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./332/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./332/file0") = 0 [pid 5071] newfstatat(AT_FDCWD, "./335/file0", [pid 5070] getdents64(3, [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11495] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] umount2("./335/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(3 [pid 11499] <... truncate resumed>) = 0 [pid 11494] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./335/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] rmdir("./332" [pid 5071] <... openat resumed>) = 4 [pid 5070] <... rmdir resumed>) = 0 [pid 5071] newfstatat(4, "", [pid 5070] mkdir("./333", 0777 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5071] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] getdents64(4, [pid 5070] <... openat resumed>) = 3 [pid 11499] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11494] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5071] close(4) = 0 [pid 5071] rmdir("./335/file0") = 0 [pid 11499] <... futex resumed>) = 0 [pid 11494] <... futex resumed>) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./335") = 0 [ 333.626716][T11499] NILFS (loop1): error -5 truncating bmap (ino=16) [ 333.635141][T11500] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 333.635627][T11498] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 333.657177][T11500] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 333.667781][T11500] Remounting filesystem read-only [pid 5071] mkdir("./336", 0777 [pid 11500] <... truncate resumed>) = 0 [pid 11499] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] <... mkdir resumed>) = 0 [pid 11500] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11497] <... futex resumed>) = 0 [pid 11500] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11497] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11497] <... futex resumed>) = 0 [pid 11494] <... mmap resumed>) = 0x7f43d3126000 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11500] fspick(AT_FDCWD, ".", 0 [pid 11497] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11500] <... fspick resumed>) = 4 [pid 5071] <... openat resumed>) = 3 [pid 11500] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11497] <... futex resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 11497] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11500] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11497] <... futex resumed>) = 0 [pid 11497] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11495] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11494] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11495] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11500] <... fsconfig resumed>) = 0 [pid 11498] <... truncate resumed>) = 0 [pid 11495] <... futex resumed>) = 0 [pid 11494] <... mprotect resumed>) = 0 [pid 11500] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11498] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11494] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11500] <... futex resumed>) = 1 [pid 11498] <... futex resumed>) = 0 [pid 11497] <... futex resumed>) = 0 [pid 11495] <... mmap resumed>) = 0x7f43d3126000 [pid 11494] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11500] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11498] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11497] exit_group(0 [pid 11495] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11500] <... futex resumed>) = ? [pid 11497] <... exit_group resumed>) = ? [pid 11495] <... mprotect resumed>) = 0 [pid 11500] +++ exited with 0 +++ [pid 11497] +++ exited with 0 +++ [pid 11495] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11494] <... clone3 resumed> => {parent_tid=[11508]}, 88) = 11508 [pid 11495] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11494] rt_sigprocmask(SIG_SETMASK, [], [pid 11495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11494] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11495] <... clone3 resumed> => {parent_tid=[11509]}, 88) = 11509 [pid 11494] <... futex resumed>) = 0 [pid 11495] rt_sigprocmask(SIG_SETMASK, [], [pid 11494] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11495] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11508 attached ) = 0 [pid 11495] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11508] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 11509 attached ) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11497, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 11508] set_robust_list(0x7f43d31469a0, 24 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 11509] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 11509] set_robust_list(0x7f43d31469a0, 24 [pid 11508] <... set_robust_list resumed>) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 11509] <... set_robust_list resumed>) = 0 [pid 11508] rt_sigprocmask(SIG_SETMASK, [], [pid 11509] rt_sigprocmask(SIG_SETMASK, [], [pid 11508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11508] fspick(AT_FDCWD, ".", 0 [pid 11509] fspick(AT_FDCWD, ".", 0 [pid 11508] <... fspick resumed>) = 4 [pid 11508] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11509] <... fspick resumed>) = 4 [pid 11508] <... futex resumed>) = 1 [pid 5069] umount2("./333", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11509] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11508] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11509] <... futex resumed>) = 1 [pid 11495] <... futex resumed>) = 0 [pid 11494] <... futex resumed>) = 0 [pid 11509] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11495] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11498] <... futex resumed>) = 0 [pid 11495] <... futex resumed>) = 1 [pid 11494] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11498] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11495] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11499] <... futex resumed>) = 0 [pid 11494] <... futex resumed>) = 1 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 333.673381][T11498] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 333.680772][T11500] NILFS (loop2): error -5 truncating bmap (ino=16) [ 333.684971][T11498] Remounting filesystem read-only [ 333.695256][T11498] NILFS (loop0): error -5 truncating bmap (ino=16) [ 333.700456][T11500] NILFS (loop2): mounting fs with errors [ 333.723804][T11498] NILFS (loop0): mounting fs with errors [pid 11499] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./333", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11499] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11499] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11494] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 11494] exit_group(0 [pid 11499] <... futex resumed>) = ? [pid 11499] +++ exited with 0 +++ [pid 11508] <... futex resumed>) = ? [pid 11508] +++ exited with 0 +++ [pid 5069] <... openat resumed>) = 3 [pid 11498] <... fsconfig resumed>) = 0 [pid 11494] <... exit_group resumed>) = ? [pid 5070] close(3 [pid 11494] +++ exited with 0 +++ [pid 5069] newfstatat(3, "", [pid 5070] <... close resumed>) = 0 [pid 11498] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, [pid 11495] <... futex resumed>) = 0 [pid 11495] exit_group(0) = ? [pid 11498] <... futex resumed>) = ? [pid 11498] +++ exited with 0 +++ [pid 11509] <... futex resumed>) = ? [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11494, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 11509] +++ exited with 0 +++ [pid 11495] +++ exited with 0 +++ [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] umount2("./330", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11495, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./333/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./333", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] openat(AT_FDCWD, "./330", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./333/binderfs", [pid 5068] <... openat resumed>) = 3 [pid 5067] openat(AT_FDCWD, "./333", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] newfstatat(3, "", [pid 5067] <... openat resumed>) = 3 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11510 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] newfstatat(3, "", ./strace-static-x86_64: Process 11510 attached [pid 5068] getdents64(3, [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] unlink("./333/binderfs" [pid 5067] getdents64(3, [pid 11510] set_robust_list(0x555589d386a0, 24 [pid 5069] <... unlink resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./333/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11510] <... set_robust_list resumed>) = 0 [pid 5069] umount2("./333/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./330/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./333/binderfs", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11510] chdir("./333" [pid 5068] newfstatat(AT_FDCWD, "./330/binderfs", [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11510] <... chdir resumed>) = 0 [pid 5067] unlink("./333/binderfs" [pid 11510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] <... unlink resumed>) = 0 [pid 11510] <... prctl resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./333/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11510] setpgid(0, 0 [pid 5068] unlink("./330/binderfs" [pid 11510] <... setpgid resumed>) = 0 [pid 11510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... unlink resumed>) = 0 [pid 11510] <... openat resumed>) = 3 [pid 5071] <... ioctl resumed>) = 0 [ 333.730870][T11499] NILFS (loop1): mounting fs with errors [pid 5068] umount2("./330/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11510] write(3, "1000", 4 [pid 5071] close(3 [pid 5069] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 11510] <... write resumed>) = 4 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] umount2("./333/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = 0 [pid 5067] umount2("./333/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11510] close(3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11510] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11510] symlink("/dev/binderfs", "./binderfs" [pid 5069] newfstatat(AT_FDCWD, "./333/file0", [pid 5067] newfstatat(AT_FDCWD, "./333/file0", [pid 11510] <... symlink resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./330/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 11511 attached [pid 11510] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./333/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./333/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11511] set_robust_list(0x555589d386a0, 24 [pid 11510] <... futex resumed>) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11511 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./330/file0", [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11511] <... set_robust_list resumed>) = 0 [pid 11510] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5069] openat(AT_FDCWD, "./333/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] openat(AT_FDCWD, "./333/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11510] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5068] umount2("./330/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 4 [pid 11511] chdir("./336" [pid 11510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] newfstatat(4, "", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(4, "", [pid 11510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] getdents64(4, [pid 11510] <... mmap resumed>) = 0x7f43d3147000 [pid 5069] getdents64(4, [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11510] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5069] getdents64(4, [pid 5067] close(4 [pid 11510] <... mprotect resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 11510] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] rmdir("./333/file0") = 0 [pid 5067] getdents64(3, [pid 5069] close(4 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11510] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... close resumed>) = 0 [pid 5067] close(3) = 0 [pid 11511] <... chdir resumed>) = 0 [pid 11510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5069] rmdir("./333/file0" [pid 5068] openat(AT_FDCWD, "./330/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] rmdir("./333"./strace-static-x86_64: Process 11512 attached [pid 11511] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 11512] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11511] <... prctl resumed>) = 0 [pid 11510] <... clone3 resumed> => {parent_tid=[11512]}, 88) = 11512 [pid 5068] newfstatat(4, "", [pid 5067] <... rmdir resumed>) = 0 [pid 11512] <... rseq resumed>) = 0 [pid 11511] setpgid(0, 0 [pid 11512] set_robust_list(0x7f43d31679a0, 24 [pid 11510] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] getdents64(3, [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11511] <... setpgid resumed>) = 0 [pid 5067] mkdir("./334", 0777 [pid 11512] <... set_robust_list resumed>) = 0 [pid 11510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] getdents64(4, [pid 11512] rt_sigprocmask(SIG_SETMASK, [], [pid 11511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11510] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] close(3 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] <... mkdir resumed>) = 0 [pid 11512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11510] <... futex resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] getdents64(4, [pid 11511] <... openat resumed>) = 3 [pid 11510] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] rmdir("./333" [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11512] memfd_create("syzkaller", 0 [pid 11511] write(3, "1000", 4 [pid 5068] close(4 [pid 11512] <... memfd_create resumed>) = 3 [pid 11511] <... write resumed>) = 4 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 11512] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11511] close(3 [pid 5069] mkdir("./334", 0777 [pid 5068] rmdir("./330/file0" [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11512] <... mmap resumed>) = 0x7f43cac00000 [pid 11511] <... close resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 11511] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... mkdir resumed>) = 0 [pid 5068] getdents64(3, [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5068] close(3 [pid 11511] <... symlink resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... close resumed>) = 0 [pid 5068] rmdir("./330" [pid 11511] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... rmdir resumed>) = 0 [pid 11511] <... futex resumed>) = 0 [pid 11511] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11511] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5068] mkdir("./331", 0777 [pid 11511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 5068] <... mkdir resumed>) = 0 [pid 11511] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11511] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5068] <... openat resumed>) = 3 ./strace-static-x86_64: Process 11513 attached [pid 11513] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11511] <... clone3 resumed> => {parent_tid=[11513]}, 88) = 11513 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 11513] <... rseq resumed>) = 0 [pid 11511] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11513] set_robust_list(0x7f43d31679a0, 24 [pid 11512] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11513] <... set_robust_list resumed>) = 0 [pid 11511] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11513] rt_sigprocmask(SIG_SETMASK, [], [pid 11511] <... futex resumed>) = 0 [pid 11513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11511] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11513] memfd_create("syzkaller", 0) = 3 [pid 11513] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11512] <... write resumed>) = 1048576 [pid 11512] munmap(0x7f43cac00000, 138412032 [pid 11513] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11512] <... munmap resumed>) = 0 [pid 11512] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11512] ioctl(4, LOOP_SET_FD, 3 [pid 11513] <... write resumed>) = 1048576 [pid 5069] <... ioctl resumed>) = 0 [pid 5067] <... ioctl resumed>) = 0 [pid 5069] close(3 [pid 11513] munmap(0x7f43cac00000, 138412032 [pid 11512] <... ioctl resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5067] close(3 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11515 attached [pid 11515] set_robust_list(0x555589d386a0, 24 [pid 11513] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 11514 attached [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11515 [pid 11515] <... set_robust_list resumed>) = 0 [pid 11514] set_robust_list(0x555589d386a0, 24 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11514 [pid 11515] chdir("./334" [pid 11514] <... set_robust_list resumed>) = 0 [pid 11513] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5068] <... ioctl resumed>) = 0 [pid 11515] <... chdir resumed>) = 0 [pid 11512] close(3 [pid 11515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11514] chdir("./334" [pid 11513] <... openat resumed>) = 4 [pid 5068] close(3 [pid 11515] <... prctl resumed>) = 0 [pid 11514] <... chdir resumed>) = 0 [pid 11513] ioctl(4, LOOP_SET_FD, 3 [pid 11515] setpgid(0, 0 [pid 5068] <... close resumed>) = 0 [pid 11515] <... setpgid resumed>) = 0 [pid 11515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11515] write(3, "1000", 4) = 4 [pid 11515] close(3) = 0 [pid 11515] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11514] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11513] <... ioctl resumed>) = 0 [pid 11512] <... close resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11515] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11514] <... prctl resumed>) = 0 [pid 11513] close(3 [pid 11512] close(4./strace-static-x86_64: Process 11516 attached [pid 11514] setpgid(0, 0 [pid 11513] <... close resumed>) = 0 [pid 11512] <... close resumed>) = 0 [pid 11516] set_robust_list(0x555589d386a0, 24 [pid 11515] <... futex resumed>) = 0 [pid 11514] <... setpgid resumed>) = 0 [pid 11513] close(4 [pid 11512] mkdir("./file0", 0777 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11516 [pid 11516] <... set_robust_list resumed>) = 0 [pid 11515] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11513] <... close resumed>) = 0 [pid 11512] <... mkdir resumed>) = 0 [pid 11516] chdir("./331" [pid 11515] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11513] mkdir("./file0", 0777 [pid 11516] <... chdir resumed>) = 0 [pid 11515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11514] <... openat resumed>) = 3 [pid 11513] <... mkdir resumed>) = 0 [pid 11512] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11516] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11516] <... prctl resumed>) = 0 [pid 11515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11514] write(3, "1000", 4 [ 333.920509][T11512] loop3: detected capacity change from 0 to 2048 [ 333.939753][T11513] loop4: detected capacity change from 0 to 2048 [pid 11513] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11516] setpgid(0, 0 [pid 11515] <... mmap resumed>) = 0x7f43d3147000 [pid 11514] <... write resumed>) = 4 [pid 11516] <... setpgid resumed>) = 0 [pid 11516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11516] write(3, "1000", 4) = 4 [pid 11516] close(3) = 0 [pid 11516] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11516] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11515] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11514] close(3 [pid 11515] <... mprotect resumed>) = 0 [pid 11514] <... close resumed>) = 0 [pid 11515] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11514] symlink("/dev/binderfs", "./binderfs" [pid 11515] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11516] <... futex resumed>) = 0 [pid 11516] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11514] <... symlink resumed>) = 0 [pid 11515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11516] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11514] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11517 attached [pid 11516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11514] <... futex resumed>) = 0 [pid 11517] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [ 333.985174][T11512] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 333.996819][T11513] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11515] <... clone3 resumed> => {parent_tid=[11517]}, 88) = 11517 [pid 11514] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11517] <... rseq resumed>) = 0 [pid 11516] <... mmap resumed>) = 0x7f43d3147000 [pid 11515] rt_sigprocmask(SIG_SETMASK, [], [pid 11514] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11517] set_robust_list(0x7f43d31679a0, 24 [pid 11515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11514] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11517] <... set_robust_list resumed>) = 0 [pid 11515] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11517] rt_sigprocmask(SIG_SETMASK, [], [pid 11515] <... futex resumed>) = 0 [pid 11514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11515] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11514] <... mmap resumed>) = 0x7f43d3147000 [pid 11517] memfd_create("syzkaller", 0 [pid 11514] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11517] <... memfd_create resumed>) = 3 [pid 11514] <... mprotect resumed>) = 0 [pid 11517] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11516] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11514] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11517] <... mmap resumed>) = 0x7f43cac00000 [pid 11514] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11516] <... mprotect resumed>) = 0 [pid 11513] <... mount resumed>) = 0 [pid 11512] <... mount resumed>) = 0 [pid 11513] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11512] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11513] <... openat resumed>) = 3 [pid 11512] <... openat resumed>) = 3 [pid 11513] chdir("./file0" [pid 11512] chdir("./file0" [pid 11513] <... chdir resumed>) = 0 [pid 11513] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11512] <... chdir resumed>) = 0 [pid 11513] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11512] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11516] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11513] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11512] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11513] <... futex resumed>) = 1 [pid 11513] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11512] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11516] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11512] <... futex resumed>) = 1 [pid 11510] <... futex resumed>) = 0 [pid 11514] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11512] truncate("./file2", 0 [pid 11510] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11510] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11516] <... clone3 resumed> => {parent_tid=[11520]}, 88) = 11520 [pid 11514] <... clone3 resumed> => {parent_tid=[11521]}, 88) = 11521 [pid 11511] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11521 attached ./strace-static-x86_64: Process 11520 attached [pid 11514] rt_sigprocmask(SIG_SETMASK, [], [pid 11511] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11520] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11513] <... futex resumed>) = 0 [pid 11511] <... futex resumed>) = 1 [pid 11520] <... rseq resumed>) = 0 [pid 11516] rt_sigprocmask(SIG_SETMASK, [], [pid 11514] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11513] truncate("./file2", 0 [pid 11511] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11521] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11520] set_robust_list(0x7f43d31679a0, 24 [pid 11516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11514] <... futex resumed>) = 0 [pid 11521] <... rseq resumed>) = 0 [ 334.029798][T11519] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 334.042655][T11518] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 334.066650][T11512] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11517] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11521] set_robust_list(0x7f43d31679a0, 24 [pid 11520] <... set_robust_list resumed>) = 0 [pid 11516] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11514] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11521] <... set_robust_list resumed>) = 0 [pid 11520] rt_sigprocmask(SIG_SETMASK, [], [pid 11521] rt_sigprocmask(SIG_SETMASK, [], [pid 11520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11520] memfd_create("syzkaller", 0 [pid 11521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11521] memfd_create("syzkaller", 0) = 3 [pid 11520] <... memfd_create resumed>) = 3 [pid 11521] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11520] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11521] <... mmap resumed>) = 0x7f43cac00000 [pid 11520] <... mmap resumed>) = 0x7f43cac00000 [pid 11516] <... futex resumed>) = 0 [pid 11511] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11511] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11511] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11516] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11511] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11510] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11510] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11517] <... write resumed>) = 1048576 [pid 11512] <... truncate resumed>) = 0 [pid 11511] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11510] <... mmap resumed>) = 0x7f43d3126000 [pid 11511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[11522]}, 88) = 11522 [pid 11511] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 11522 attached [pid 11511] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11522] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11511] <... futex resumed>) = 0 [pid 11511] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11522] <... rseq resumed>) = 0 [ 334.078953][T11512] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 334.080558][T11513] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 334.089528][T11512] Remounting filesystem read-only [ 334.112818][T11512] NILFS (loop3): error -5 truncating bmap (ino=16) [pid 11522] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11522] rt_sigprocmask(SIG_SETMASK, [], [pid 11520] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11522] fspick(AT_FDCWD, ".", 0 [pid 11521] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11517] munmap(0x7f43cac00000, 138412032 [pid 11512] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11510] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11522] <... fspick resumed>) = 4 [pid 11522] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11510] <... mprotect resumed>) = 0 [pid 11512] <... futex resumed>) = 0 [pid 11517] <... munmap resumed>) = 0 [pid 11512] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11510] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11517] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11522] <... futex resumed>) = 1 [pid 11522] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11511] <... futex resumed>) = 0 [pid 11522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11511] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11522] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11511] <... futex resumed>) = 0 [pid 11517] <... openat resumed>) = 4 [pid 11513] <... truncate resumed>) = 0 [pid 11511] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11510] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11517] ioctl(4, LOOP_SET_FD, 3 [pid 11513] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[11523]}, 88) = 11523 [pid 11517] <... ioctl resumed>) = 0 [pid 11513] <... futex resumed>) = 0 [pid 11510] rt_sigprocmask(SIG_SETMASK, [], [pid 11517] close(3 [pid 11513] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11510] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11523 attached [pid 11517] <... close resumed>) = 0 [pid 11510] <... futex resumed>) = 0 [pid 11523] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11522] <... fsconfig resumed>) = 0 [pid 11517] close(4 [pid 11510] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11523] <... rseq resumed>) = 0 [pid 11522] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11521] <... write resumed>) = 1048576 [pid 11520] <... write resumed>) = 1048576 [pid 11517] <... close resumed>) = 0 [pid 11523] set_robust_list(0x7f43d31469a0, 24 [pid 11522] <... futex resumed>) = 1 [pid 11521] munmap(0x7f43cac00000, 138412032 [pid 11520] munmap(0x7f43cac00000, 138412032 [ 334.124345][T11513] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 334.135445][T11513] Remounting filesystem read-only [ 334.143280][T11513] NILFS (loop4): error -5 truncating bmap (ino=16) [ 334.148038][T11522] NILFS (loop4): mounting fs with errors [ 334.157208][T11517] loop0: detected capacity change from 0 to 2048 [pid 11517] mkdir("./file0", 0777 [pid 11511] <... futex resumed>) = 0 [pid 11523] <... set_robust_list resumed>) = 0 [pid 11522] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11521] <... munmap resumed>) = 0 [pid 11520] <... munmap resumed>) = 0 [pid 11517] <... mkdir resumed>) = 0 [pid 11511] exit_group(0 [pid 11523] rt_sigprocmask(SIG_SETMASK, [], [pid 11522] <... futex resumed>) = ? [pid 11513] <... futex resumed>) = ? [pid 11511] <... exit_group resumed>) = ? [pid 11523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11517] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11513] +++ exited with 0 +++ [pid 11523] fspick(AT_FDCWD, ".", 0 [pid 11522] +++ exited with 0 +++ [pid 11521] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11520] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11511] +++ exited with 0 +++ [pid 11523] <... fspick resumed>) = 4 [pid 11521] <... openat resumed>) = 4 [pid 11520] <... openat resumed>) = 4 [pid 11523] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11521] ioctl(4, LOOP_SET_FD, 3 [pid 11520] ioctl(4, LOOP_SET_FD, 3 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11511, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 11523] <... futex resumed>) = 1 [pid 11523] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] umount2("./336", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./336", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./336/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./336/binderfs", [pid 11510] <... futex resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11510] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] unlink("./336/binderfs" [pid 11510] <... futex resumed>) = 1 [pid 5071] <... unlink resumed>) = 0 [pid 11512] <... futex resumed>) = 0 [pid 11510] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] umount2("./336/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11520] <... ioctl resumed>) = 0 [pid 11517] <... mount resumed>) = 0 [ 334.181542][T11517] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 334.203829][T11524] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 334.216796][T11520] loop1: detected capacity change from 0 to 2048 [ 334.218692][T11521] loop2: detected capacity change from 0 to 2048 [pid 11512] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11521] <... ioctl resumed>) = 0 [pid 11520] close(3 [pid 11517] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11521] close(3) = 0 [pid 11521] close(4) = 0 [pid 11520] <... close resumed>) = 0 [pid 11517] <... openat resumed>) = 3 [pid 11512] <... fsconfig resumed>) = 0 [pid 11521] mkdir("./file0", 0777 [pid 11520] close(4 [pid 11517] chdir("./file0" [pid 11512] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11520] <... close resumed>) = 0 [pid 11517] <... chdir resumed>) = 0 [pid 11521] <... mkdir resumed>) = 0 [pid 11520] mkdir("./file0", 0777 [pid 11517] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11512] <... futex resumed>) = 1 [pid 11510] <... futex resumed>) = 0 [pid 11520] <... mkdir resumed>) = 0 [pid 11517] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11512] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11510] exit_group(0 [pid 11521] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [ 334.226094][T11512] NILFS (loop3): mounting fs with errors [pid 11520] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11523] <... futex resumed>) = ? [pid 11517] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11512] <... futex resumed>) = ? [pid 11510] <... exit_group resumed>) = ? [pid 11517] <... futex resumed>) = 1 [pid 11512] +++ exited with 0 +++ [pid 11517] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11515] <... futex resumed>) = 0 [pid 11523] +++ exited with 0 +++ [pid 11510] +++ exited with 0 +++ [pid 11515] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11510, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5070] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 11517] <... futex resumed>) = 0 [pid 11515] <... futex resumed>) = 1 [pid 11517] truncate("./file2", 0 [pid 11515] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] umount2("./333", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./333", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./333/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./333/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] unlink("./333/binderfs") = 0 [pid 5070] umount2("./333/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./336/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./336/file0", [pid 5070] <... umount2 resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 334.252120][T11521] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 334.267500][T11520] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 334.279753][T11517] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 5071] umount2("./336/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11515] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./333/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./333/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] umount2("./333/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./333/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] newfstatat(4, "", [pid 11515] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] openat(AT_FDCWD, "./336/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 334.307633][T11517] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 334.329790][T11517] Remounting filesystem read-only [ 334.334923][T11517] NILFS (loop0): error -5 truncating bmap (ino=16) [ 334.342735][T11526] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11520] <... mount resumed>) = 0 [pid 11515] <... futex resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5070] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./333/file0") = 0 [pid 11520] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] newfstatat(4, "", [pid 5070] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./333" [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11520] <... openat resumed>) = 3 [pid 11515] <... mmap resumed>) = 0x7f43d3126000 [pid 5071] getdents64(4, [pid 5070] <... rmdir resumed>) = 0 [pid 11515] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11520] chdir("./file0" [pid 11521] <... mount resumed>) = 0 [pid 5071] getdents64(4, [pid 11521] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11517] <... truncate resumed>) = 0 [pid 11515] <... mprotect resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11521] <... openat resumed>) = 3 [pid 5070] mkdir("./334", 0777 [pid 11521] chdir("./file0" [pid 11520] <... chdir resumed>) = 0 [pid 11517] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11515] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] close(4 [pid 5070] <... mkdir resumed>) = 0 [pid 11521] <... chdir resumed>) = 0 [pid 11520] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11517] <... futex resumed>) = 0 [pid 11515] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... close resumed>) = 0 [pid 11521] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11520] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11517] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5071] rmdir("./336/file0" [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 11527 attached [pid 11521] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5070] <... openat resumed>) = 3 [pid 11527] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 11515] <... clone3 resumed> => {parent_tid=[11527]}, 88) = 11527 [pid 11527] <... rseq resumed>) = 0 [pid 11521] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11520] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11515] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] getdents64(3, [pid 11527] set_robust_list(0x7f43d31469a0, 24 [pid 11521] <... futex resumed>) = 1 [pid 11520] <... futex resumed>) = 1 [pid 11516] <... futex resumed>) = 0 [pid 11515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11514] <... futex resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11527] <... set_robust_list resumed>) = 0 [pid 11521] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11520] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11516] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11515] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11514] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] close(3 [pid 11527] rt_sigprocmask(SIG_SETMASK, [], [pid 11521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11516] <... futex resumed>) = 0 [pid 11515] <... futex resumed>) = 0 [pid 11514] <... futex resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 11527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11521] truncate("./file2", 0 [pid 11520] truncate("./file2", 0 [pid 11516] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11515] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11514] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] rmdir("./336" [pid 11527] fspick(AT_FDCWD, ".", 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5071] mkdir("./337", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 11527] <... fspick resumed>) = 4 [ 334.345302][T11525] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 334.381814][T11520] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 334.393195][T11521] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11527] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11515] <... futex resumed>) = 0 [pid 11515] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11517] <... futex resumed>) = 0 [pid 11515] <... futex resumed>) = 1 [pid 11517] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [ 334.398985][T11520] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 334.404789][T11521] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 334.415552][T11517] NILFS (loop0): mounting fs with errors [ 334.430041][T11520] Remounting filesystem read-only [ 334.435494][T11520] NILFS (loop1): error -5 truncating bmap (ino=16) [ 334.436036][T11521] Remounting filesystem read-only [pid 11515] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11527] <... futex resumed>) = 1 [pid 11520] <... truncate resumed>) = 0 [pid 11517] <... fsconfig resumed>) = 0 [pid 11516] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11514] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11516] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11521] <... truncate resumed>) = 0 [pid 11517] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11516] <... mmap resumed>) = 0x7f43d3126000 [pid 5070] <... ioctl resumed>) = 0 [pid 11521] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11516] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5070] close(3 [pid 11521] <... futex resumed>) = 0 [pid 11521] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11517] <... futex resumed>) = 1 [pid 11516] <... mprotect resumed>) = 0 [pid 11515] <... futex resumed>) = 0 [pid 11514] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... close resumed>) = 0 [pid 11521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11527] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11521] fspick(AT_FDCWD, ".", 0 [pid 11520] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11517] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11516] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11515] exit_group(0 [pid 11514] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11527] <... futex resumed>) = ? [pid 11521] <... fspick resumed>) = 4 [pid 11520] <... futex resumed>) = 0 [pid 11517] <... futex resumed>) = ? [pid 11516] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11515] <... exit_group resumed>) = ? [pid 11514] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... ioctl resumed>) = 0 [pid 11527] +++ exited with 0 +++ [pid 11521] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11520] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11517] +++ exited with 0 +++ [pid 11516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11515] +++ exited with 0 +++ [pid 11514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 334.452219][T11521] NILFS (loop2): error -5 truncating bmap (ino=16) [pid 5071] close(3./strace-static-x86_64: Process 11529 attached [pid 11521] <... futex resumed>) = 0 [pid 11514] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11515, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5071] <... close resumed>) = 0 ./strace-static-x86_64: Process 11528 attached [pid 11529] set_robust_list(0x555589d386a0, 24 [pid 11521] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11516] <... clone3 resumed> => {parent_tid=[11528]}, 88) = 11528 [pid 11514] <... futex resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11516] rt_sigprocmask(SIG_SETMASK, [], [pid 11514] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11529] <... set_robust_list resumed>) = 0 [pid 11516] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11529] chdir("./334" [pid 11528] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11516] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11529 [pid 11528] <... rseq resumed>) = 0 [pid 11516] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11528] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 5067] umount2("./334", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 11530 attached [pid 11529] <... chdir resumed>) = 0 [pid 11528] rt_sigprocmask(SIG_SETMASK, [], [pid 11521] <... fsconfig resumed>) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11530 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11521] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] openat(AT_FDCWD, "./334", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11529] <... prctl resumed>) = 0 [pid 11528] fspick(AT_FDCWD, ".", 0 [pid 11530] set_robust_list(0x555589d386a0, 24 [pid 11529] setpgid(0, 0 [pid 11528] <... fspick resumed>) = 4 [pid 5067] <... openat resumed>) = 3 [pid 11530] <... set_robust_list resumed>) = 0 [pid 11529] <... setpgid resumed>) = 0 [pid 11528] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11521] <... futex resumed>) = 1 [pid 11514] <... futex resumed>) = 0 [pid 5067] newfstatat(3, "", [pid 11530] chdir("./337" [pid 11529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11528] <... futex resumed>) = 1 [pid 11521] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11516] <... futex resumed>) = 0 [pid 11514] exit_group(0 [pid 11530] <... chdir resumed>) = 0 [pid 11529] <... openat resumed>) = 3 [pid 11528] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11521] <... futex resumed>) = ? [pid 11516] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11514] <... exit_group resumed>) = ? [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11529] write(3, "1000", 4 [pid 11521] +++ exited with 0 +++ [pid 11520] <... futex resumed>) = 0 [pid 11516] <... futex resumed>) = 1 [pid 11514] +++ exited with 0 +++ [pid 5067] getdents64(3, [pid 11530] <... prctl resumed>) = 0 [pid 11529] <... write resumed>) = 4 [pid 11520] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11516] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11530] setpgid(0, 0 [pid 11529] close(3 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11514, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5067] umount2("./334/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11529] <... close resumed>) = 0 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11529] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... restart_syscall resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./334/binderfs", [pid 11529] <... symlink resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./334/binderfs" [pid 5069] umount2("./334", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... unlink resumed>) = 0 [pid 11529] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./334/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11529] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./334", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11530] <... setpgid resumed>) = 0 [pid 11529] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5069] <... openat resumed>) = 3 [pid 11530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11529] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5069] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11529] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] getdents64(3, [pid 11530] <... openat resumed>) = 3 [pid 11529] <... mmap resumed>) = 0x7f43d3147000 [pid 11520] <... fsconfig resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 11530] write(3, "1000", 4 [pid 11529] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11520] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11530] <... write resumed>) = 4 [pid 11529] <... mprotect resumed>) = 0 [pid 11520] <... futex resumed>) = 1 [pid 11516] <... futex resumed>) = 0 [pid 5067] umount2("./334/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11530] close(3 [pid 11520] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11516] exit_group(0 [pid 11530] <... close resumed>) = 0 [pid 11529] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11528] <... futex resumed>) = ? [pid 11520] <... futex resumed>) = ? [pid 11516] <... exit_group resumed>) = ? [pid 5069] umount2("./334/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11530] symlink("/dev/binderfs", "./binderfs" [pid 11529] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11528] +++ exited with 0 +++ [pid 11520] +++ exited with 0 +++ [pid 11530] <... symlink resumed>) = 0 [pid 11529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./334/file0", [pid 11530] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11516] +++ exited with 0 +++ [pid 5069] newfstatat(AT_FDCWD, "./334/binderfs", ./strace-static-x86_64: Process 11531 attached [pid 11530] <... futex resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11531] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11530] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11529] <... clone3 resumed> => {parent_tid=[11531]}, 88) = 11531 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11516, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 11531] <... rseq resumed>) = 0 [pid 11530] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 11529] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] umount2("./334/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11531] set_robust_list(0x7f43d31679a0, 24 [pid 11530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] unlink("./334/binderfs" [pid 5068] <... restart_syscall resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11531] <... set_robust_list resumed>) = 0 [pid 11530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11529] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11531] rt_sigprocmask(SIG_SETMASK, [], [pid 11529] <... futex resumed>) = 0 [pid 11531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11529] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... unlink resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./334/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11531] memfd_create("syzkaller", 0 [pid 11530] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5068] umount2("./331", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11531] <... memfd_create resumed>) = 3 [pid 11530] <... mprotect resumed>) = 0 [pid 11531] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11530] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11531] <... mmap resumed>) = 0x7f43cac00000 [pid 11530] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] umount2("./334/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 4 [ 334.500729][T11521] NILFS (loop2): mounting fs with errors [ 334.536013][T11520] NILFS (loop1): mounting fs with errors [pid 11530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11531] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./331", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] newfstatat(4, "", ./strace-static-x86_64: Process 11532 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11532] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11530] <... clone3 resumed> => {parent_tid=[11532]}, 88) = 11532 [pid 5069] umount2("./334/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 3 [pid 5067] getdents64(4, [pid 11532] <... rseq resumed>) = 0 [pid 11530] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(3, "", [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11532] set_robust_list(0x7f43d31679a0, 24 [pid 11530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11532] <... set_robust_list resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./334/file0", [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11532] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] getdents64(4, [pid 11532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11532] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] close(4 [pid 5068] getdents64(3, [pid 11530] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... close resumed>) = 0 [pid 11530] <... futex resumed>) = 1 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] rmdir("./334/file0" [pid 11530] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] umount2("./334/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./331/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./334/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] newfstatat(AT_FDCWD, "./331/binderfs", [pid 11532] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 11532] memfd_create("syzkaller", 0 [pid 5069] newfstatat(4, "", [pid 5067] getdents64(3, [pid 11532] <... memfd_create resumed>) = 3 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] unlink("./331/binderfs" [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] getdents64(4, [pid 5067] close(3 [pid 11532] <... mmap resumed>) = 0x7f43cac00000 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] <... unlink resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 11531] <... write resumed>) = 1048576 [pid 5069] getdents64(4, [pid 5068] umount2("./331/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] rmdir("./334" [pid 11532] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11531] munmap(0x7f43cac00000, 138412032 [pid 5069] close(4 [pid 11531] <... munmap resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5069] rmdir("./334/file0") = 0 [pid 5069] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] close(3 [pid 11532] <... write resumed>) = 1048576 [pid 11531] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5068] <... umount2 resumed>) = 0 [pid 5067] mkdir("./335", 0777 [pid 5068] umount2("./331/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11532] munmap(0x7f43cac00000, 138412032 [pid 11531] <... openat resumed>) = 4 [pid 5069] <... close resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11532] <... munmap resumed>) = 0 [pid 11531] ioctl(4, LOOP_SET_FD, 3 [pid 5069] rmdir("./334" [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11532] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5068] newfstatat(AT_FDCWD, "./331/file0", [pid 5067] <... openat resumed>) = 3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5068] umount2("./331/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./331/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5068] newfstatat(4, "", [pid 11532] <... openat resumed>) = 4 [pid 11531] <... ioctl resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 11531] close(3 [pid 11532] ioctl(4, LOOP_SET_FD, 3 [pid 5069] mkdir("./335", 0777 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11531] <... close resumed>) = 0 [pid 11531] close(4) = 0 [pid 11531] mkdir("./file0", 0777 [pid 11532] <... ioctl resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] getdents64(4, [pid 11532] close(3 [pid 11531] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11531] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5069] <... openat resumed>) = 3 [pid 5068] getdents64(4, [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [pid 5068] rmdir("./331/file0") = 0 [pid 5068] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [ 334.634991][T11531] loop3: detected capacity change from 0 to 2048 [ 334.648959][T11532] loop4: detected capacity change from 0 to 2048 [pid 5068] close(3) = 0 [pid 5068] rmdir("./331" [pid 11532] <... close resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... ioctl resumed>) = 0 [pid 11532] close(4) = 0 [pid 11532] mkdir("./file0", 0777 [pid 5068] mkdir("./332", 0777 [pid 5067] close(3 [pid 5068] <... mkdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5067] <... close resumed>) = 0 [pid 11532] <... mkdir resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11532] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11533 ./strace-static-x86_64: Process 11533 attached [pid 11533] set_robust_list(0x555589d386a0, 24) = 0 [pid 11533] chdir("./335") = 0 [ 334.677633][T11531] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 334.703830][T11532] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 11533] setpgid(0, 0) = 0 [pid 11532] <... mount resumed>) = 0 [pid 11533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11532] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11532] chdir("./file0" [pid 11533] <... openat resumed>) = 3 [pid 11532] <... chdir resumed>) = 0 [pid 11532] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11531] <... mount resumed>) = 0 [pid 11532] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11533] write(3, "1000", 4) = 4 [pid 11532] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11531] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11533] close(3 [pid 11532] <... futex resumed>) = 1 [pid 11530] <... futex resumed>) = 0 [pid 11533] <... close resumed>) = 0 [pid 11532] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11531] <... openat resumed>) = 3 [pid 11530] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] close(3 [pid 5068] <... ioctl resumed>) = 0 [ 334.735015][T11535] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 334.747547][T11534] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5069] <... close resumed>) = 0 [pid 5068] close(3 [pid 11533] symlink("/dev/binderfs", "./binderfs" [pid 11532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11531] chdir("./file0" [pid 11530] <... futex resumed>) = 0 [pid 11532] truncate("./file2", 0 [pid 11531] <... chdir resumed>) = 0 [pid 11530] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... close resumed>) = 0 [pid 11533] <... symlink resumed>) = 0 [pid 11531] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11533] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11531] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11536 ./strace-static-x86_64: Process 11536 attached [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11537 [pid 11536] set_robust_list(0x555589d386a0, 24) = 0 [pid 11536] chdir("./335") = 0 [pid 11536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11536] setpgid(0, 0) = 0 [pid 11536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11531] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11537 attached [pid 11533] <... futex resumed>) = 0 [pid 11531] <... futex resumed>) = 1 [pid 11537] set_robust_list(0x555589d386a0, 24 [pid 11533] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11531] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11529] <... futex resumed>) = 0 [pid 11537] <... set_robust_list resumed>) = 0 [pid 11533] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11529] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11537] chdir("./332" [pid 11536] <... openat resumed>) = 3 [pid 11533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11531] <... futex resumed>) = 0 [pid 11529] <... futex resumed>) = 1 [pid 11536] write(3, "1000", 4) = 4 [pid 11536] close(3 [pid 11529] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11536] <... close resumed>) = 0 [pid 11536] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11531] truncate("./file2", 0 [pid 11536] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11536] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11536] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11537] <... chdir resumed>) = 0 [pid 11533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11537] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11536] <... mprotect resumed>) = 0 [pid 11533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11537] <... prctl resumed>) = 0 [pid 11536] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11533] <... mmap resumed>) = 0x7f43d3147000 [pid 11530] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11537] setpgid(0, 0 [ 334.791982][T11532] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 334.806422][T11532] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 334.819083][T11531] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 334.835300][T11532] Remounting filesystem read-only [pid 11533] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11530] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11536] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11533] <... mprotect resumed>) = 0 [pid 11537] <... setpgid resumed>) = 0 [pid 11536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11533] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11533] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11537] <... openat resumed>) = 3 [pid 11536] <... clone3 resumed> => {parent_tid=[11538]}, 88) = 11538 [pid 11533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11530] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11538 attached [pid 11537] write(3, "1000", 4 [pid 11536] rt_sigprocmask(SIG_SETMASK, [], [pid 11530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11537] <... write resumed>) = 4 [pid 11536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11537] close(3 [pid 11536] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11533] <... clone3 resumed> => {parent_tid=[11539]}, 88) = 11539 [pid 11537] <... close resumed>) = 0 [pid 11536] <... futex resumed>) = 0 [pid 11533] rt_sigprocmask(SIG_SETMASK, [], [pid 11537] symlink("/dev/binderfs", "./binderfs" [pid 11536] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11537] <... symlink resumed>) = 0 [pid 11533] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11529] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11533] <... futex resumed>) = 0 [pid 11529] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11537] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11533] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11529] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11539 attached [pid 11538] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11537] <... futex resumed>) = 0 [pid 11532] <... truncate resumed>) = 0 [pid 11530] <... mmap resumed>) = 0x7f43d3126000 [pid 11529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11539] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11538] <... rseq resumed>) = 0 [pid 11537] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11532] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11530] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11529] <... mmap resumed>) = 0x7f43d3126000 [pid 11537] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11529] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11537] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11529] <... mprotect resumed>) = 0 [pid 11537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11529] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11529] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11538] set_robust_list(0x7f43d31679a0, 24 [pid 11537] <... mmap resumed>) = 0x7f43d3147000 [pid 11532] <... futex resumed>) = 0 [pid 11530] <... mprotect resumed>) = 0 [pid 11529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11540 attached [pid 11539] <... rseq resumed>) = 0 [pid 11538] <... set_robust_list resumed>) = 0 [pid 11537] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11532] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11530] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11540] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11537] <... mprotect resumed>) = 0 [pid 11529] <... clone3 resumed> => {parent_tid=[11540]}, 88) = 11540 [pid 11540] <... rseq resumed>) = 0 [pid 11537] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11529] rt_sigprocmask(SIG_SETMASK, [], [pid 11540] set_robust_list(0x7f43d31469a0, 24 [pid 11529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11540] <... set_robust_list resumed>) = 0 [pid 11529] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11540] rt_sigprocmask(SIG_SETMASK, [], [pid 11537] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11529] <... futex resumed>) = 0 [pid 11540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11539] set_robust_list(0x7f43d31679a0, 24 [pid 11538] rt_sigprocmask(SIG_SETMASK, [], [pid 11537] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11531] <... truncate resumed>) = 0 [pid 11530] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11529] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11541 attached [pid 11540] fspick(AT_FDCWD, ".", 0 [pid 11539] <... set_robust_list resumed>) = 0 [pid 11538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11531] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11541] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11540] <... fspick resumed>) = 4 [pid 11539] rt_sigprocmask(SIG_SETMASK, [], [pid 11538] memfd_create("syzkaller", 0./strace-static-x86_64: Process 11542 attached [pid 11541] <... rseq resumed>) = 0 [pid 11540] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11537] <... clone3 resumed> => {parent_tid=[11541]}, 88) = 11541 [pid 11531] <... futex resumed>) = 0 [pid 11542] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11541] set_robust_list(0x7f43d31679a0, 24 [pid 11540] <... futex resumed>) = 1 [pid 11539] memfd_create("syzkaller", 0 [pid 11538] <... memfd_create resumed>) = 3 [pid 11537] rt_sigprocmask(SIG_SETMASK, [], [pid 11531] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11530] <... clone3 resumed> => {parent_tid=[11542]}, 88) = 11542 [pid 11529] <... futex resumed>) = 0 [pid 11542] <... rseq resumed>) = 0 [pid 11541] <... set_robust_list resumed>) = 0 [pid 11540] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11539] <... memfd_create resumed>) = 3 [pid 11538] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11530] rt_sigprocmask(SIG_SETMASK, [], [pid 11529] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11542] set_robust_list(0x7f43d31469a0, 24 [pid 11541] rt_sigprocmask(SIG_SETMASK, [], [pid 11539] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11538] <... mmap resumed>) = 0x7f43cac00000 [pid 11537] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11531] <... futex resumed>) = 0 [pid 11530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11529] <... futex resumed>) = 1 [ 334.842907][T11532] NILFS (loop4): error -5 truncating bmap (ino=16) [ 334.852942][T11531] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 334.864993][T11531] Remounting filesystem read-only [ 334.872250][T11531] NILFS (loop3): error -5 truncating bmap (ino=16) [pid 11542] <... set_robust_list resumed>) = 0 [pid 11541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11539] <... mmap resumed>) = 0x7f43cac00000 [pid 11537] <... futex resumed>) = 0 [pid 11531] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11530] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11529] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11541] memfd_create("syzkaller", 0 [pid 11542] rt_sigprocmask(SIG_SETMASK, [], [pid 11539] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11530] <... futex resumed>) = 0 [pid 11542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11541] <... memfd_create resumed>) = 3 [pid 11537] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11542] fspick(AT_FDCWD, ".", 0 [pid 11541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11530] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11541] <... mmap resumed>) = 0x7f43cac00000 [pid 11542] <... fspick resumed>) = 4 [pid 11542] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11542] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11530] <... futex resumed>) = 0 [pid 11530] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11532] <... futex resumed>) = 0 [pid 11530] <... futex resumed>) = 1 [pid 11532] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11530] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11531] <... fsconfig resumed>) = 0 [pid 11531] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11529] <... futex resumed>) = 0 [pid 11529] exit_group(0 [pid 11540] <... futex resumed>) = ? [pid 11529] <... exit_group resumed>) = ? [pid 11540] +++ exited with 0 +++ [pid 11532] <... fsconfig resumed>) = 0 [pid 11531] +++ exited with 0 +++ [pid 11529] +++ exited with 0 +++ [pid 11532] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11530] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11529, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 11532] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] umount2("./334", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11530] exit_group(0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./334", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11542] <... futex resumed>) = ? [pid 11532] <... futex resumed>) = ? [pid 11530] <... exit_group resumed>) = ? [pid 5070] <... openat resumed>) = 3 [pid 11542] +++ exited with 0 +++ [pid 11541] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11532] +++ exited with 0 +++ [pid 5070] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./334/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11530] +++ exited with 0 +++ [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11530, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5070] newfstatat(AT_FDCWD, "./334/binderfs", [pid 5071] <... restart_syscall resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] umount2("./337", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] unlink("./334/binderfs" [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... unlink resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./337", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] umount2("./334/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./337/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11539] <... write resumed>) = 1048576 [pid 11538] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5070] <... umount2 resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./337/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./337/binderfs") = 0 [ 334.893725][T11531] NILFS (loop3): mounting fs with errors [ 334.911038][T11532] NILFS (loop4): mounting fs with errors [pid 5071] umount2("./337/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./334/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./334/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] umount2("./334/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11541] <... write resumed>) = 1048576 [pid 11539] munmap(0x7f43cac00000, 138412032 [pid 11538] <... write resumed>) = 1048576 [pid 5071] <... umount2 resumed>) = 0 [pid 11541] munmap(0x7f43cac00000, 138412032 [pid 11538] munmap(0x7f43cac00000, 138412032 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] umount2("./337/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "./334/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11541] <... munmap resumed>) = 0 [pid 11539] <... munmap resumed>) = 0 [pid 11538] <... munmap resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11538] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5071] newfstatat(AT_FDCWD, "./337/file0", [pid 11541] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11539] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11538] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... openat resumed>) = 4 [pid 11539] <... openat resumed>) = 4 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] newfstatat(4, "", [pid 11539] ioctl(4, LOOP_SET_FD, 3 [pid 5071] umount2("./337/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11541] <... openat resumed>) = 4 [pid 11538] <... ioctl resumed>) = 0 [pid 11541] ioctl(4, LOOP_SET_FD, 3 [pid 11539] <... ioctl resumed>) = 0 [pid 11538] close(3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(4, [pid 11539] close(3 [pid 11538] <... close resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./337/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11539] <... close resumed>) = 0 [pid 11538] close(4 [pid 5071] <... openat resumed>) = 4 [pid 5070] getdents64(4, [pid 5071] newfstatat(4, "", [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11541] <... ioctl resumed>) = 0 [pid 11539] close(4 [pid 11538] <... close resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] close(4 [pid 5071] getdents64(4, [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./334/file0" [pid 11539] <... close resumed>) = 0 [pid 11538] mkdir("./file0", 0777 [pid 11539] mkdir("./file0", 0777 [pid 11541] close(3) = 0 [pid 11541] close(4 [pid 11539] <... mkdir resumed>) = 0 [pid 11538] <... mkdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] <... rmdir resumed>) = 0 [pid 5071] getdents64(4, [pid 5070] getdents64(3, [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] close(4 [pid 5070] close(3 [pid 5071] <... close resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5071] rmdir("./337/file0" [pid 5070] rmdir("./334" [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 11541] <... close resumed>) = 0 [pid 5071] getdents64(3, [pid 5070] mkdir("./335", 0777 [pid 11541] mkdir("./file0", 0777 [pid 11539] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11538] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 11541] <... mkdir resumed>) = 0 [ 334.991679][T11538] loop2: detected capacity change from 0 to 2048 [ 334.994131][T11539] loop0: detected capacity change from 0 to 2048 [ 335.001177][T11541] loop1: detected capacity change from 0 to 2048 [pid 5071] close(3 [pid 11541] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5071] <... close resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] rmdir("./337") = 0 [pid 5070] <... openat resumed>) = 3 [pid 5071] mkdir("./338", 0777 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5071] <... mkdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [ 335.044719][T11538] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 335.056054][T11539] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 335.077144][T11541] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] <... ioctl resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [ 335.102805][T11544] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 335.119748][T11543] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5070] close(3 [pid 5071] close(3 [pid 11539] <... mount resumed>) = 0 [pid 11538] <... mount resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 11539] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11538] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11539] <... openat resumed>) = 3 [pid 11538] <... openat resumed>) = 3 [pid 11539] chdir("./file0" [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11546 ./strace-static-x86_64: Process 11546 attached [pid 11546] set_robust_list(0x555589d386a0, 24) = 0 [pid 11539] <... chdir resumed>) = 0 [pid 11538] chdir("./file0" [pid 11546] chdir("./338" [pid 11541] <... mount resumed>) = 0 [pid 11539] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11538] <... chdir resumed>) = 0 [pid 11541] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11546] <... chdir resumed>) = 0 [pid 11541] chdir("./file0" [pid 11546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11541] <... chdir resumed>) = 0 [pid 11538] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11539] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11546] <... prctl resumed>) = 0 [pid 11541] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11547 [pid 11546] setpgid(0, 0 [pid 11541] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11539] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11538] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11546] <... setpgid resumed>) = 0 [pid 11541] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11547 attached [pid 11546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11541] <... futex resumed>) = 1 [pid 11539] <... futex resumed>) = 1 [pid 11538] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11537] <... futex resumed>) = 0 [pid 11547] set_robust_list(0x555589d386a0, 24 [pid 11546] <... openat resumed>) = 3 [pid 11541] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11539] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11538] <... futex resumed>) = 1 [pid 11537] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11536] <... futex resumed>) = 0 [pid 11533] <... futex resumed>) = 0 [pid 11547] <... set_robust_list resumed>) = 0 [ 335.156722][T11545] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11546] write(3, "1000", 4 [pid 11541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11536] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11533] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11546] <... write resumed>) = 4 [pid 11541] truncate("./file2", 0 [pid 11536] <... futex resumed>) = 0 [pid 11537] <... futex resumed>) = 0 [pid 11547] chdir("./335" [pid 11536] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11547] <... chdir resumed>) = 0 [pid 11546] close(3 [pid 11539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11538] truncate("./file2", 0 [pid 11537] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11533] <... futex resumed>) = 0 [pid 11547] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11546] <... close resumed>) = 0 [pid 11539] truncate("./file2", 0 [pid 11546] symlink("/dev/binderfs", "./binderfs" [pid 11547] <... prctl resumed>) = 0 [pid 11546] <... symlink resumed>) = 0 [pid 11546] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11533] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11546] <... futex resumed>) = 0 [pid 11546] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11546] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11546] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11546] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11548 attached [pid 11547] setpgid(0, 0 [pid 11546] <... clone3 resumed> => {parent_tid=[11548]}, 88) = 11548 [pid 11548] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11546] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11546] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11548] <... rseq resumed>) = 0 [pid 11548] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11548] memfd_create("syzkaller", 0) = 3 [pid 11548] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [ 335.199270][T11541] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 335.213685][T11538] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 335.225957][T11539] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 335.238586][T11538] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11547] <... setpgid resumed>) = 0 [pid 11548] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11541] <... truncate resumed>) = 0 [pid 11538] <... truncate resumed>) = 0 [pid 11537] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11536] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 335.239020][T11541] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 335.248406][T11539] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 335.268796][T11541] Remounting filesystem read-only [ 335.269171][T11538] Remounting filesystem read-only [ 335.274220][T11541] NILFS (loop1): error -5 truncating bmap (ino=16) [ 335.275146][T11539] Remounting filesystem read-only [ 335.279776][T11538] NILFS (loop2): error -5 truncating bmap (ino=16) [pid 11533] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11548] <... write resumed>) = 1048576 [pid 11547] <... openat resumed>) = 3 [pid 11541] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11538] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11537] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11536] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11533] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11548] munmap(0x7f43cac00000, 138412032 [pid 11547] write(3, "1000", 4 [pid 11541] <... futex resumed>) = 0 [pid 11536] <... futex resumed>) = 0 [pid 11533] <... futex resumed>) = 0 [pid 11548] <... munmap resumed>) = 0 [pid 11547] <... write resumed>) = 4 [pid 11541] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11539] <... truncate resumed>) = 0 [pid 11538] <... futex resumed>) = 0 [pid 11537] <... futex resumed>) = 0 [pid 11536] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11548] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11547] close(3 [pid 11539] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11538] fspick(AT_FDCWD, ".", 0 [pid 11537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11533] <... mmap resumed>) = 0x7f43d3126000 [pid 11548] <... openat resumed>) = 4 [pid 11547] <... close resumed>) = 0 [pid 11539] <... futex resumed>) = 0 [pid 11538] <... fspick resumed>) = 4 [pid 11537] <... mmap resumed>) = 0x7f43d3126000 [pid 11533] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11548] ioctl(4, LOOP_SET_FD, 3 [pid 11547] symlink("/dev/binderfs", "./binderfs" [pid 11539] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11538] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11537] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11533] <... mprotect resumed>) = 0 [pid 11547] <... symlink resumed>) = 0 [pid 11533] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11549 attached [pid 11547] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11549] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11533] <... clone3 resumed> => {parent_tid=[11549]}, 88) = 11549 [pid 11549] <... rseq resumed>) = 0 [pid 11547] <... futex resumed>) = 0 [pid 11533] rt_sigprocmask(SIG_SETMASK, [], [pid 11549] set_robust_list(0x7f43d31469a0, 24 [pid 11547] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11549] <... set_robust_list resumed>) = 0 [pid 11547] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11533] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11549] rt_sigprocmask(SIG_SETMASK, [], [pid 11547] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11533] <... futex resumed>) = 0 [pid 11549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11533] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11549] fspick(AT_FDCWD, ".", 0 [pid 11547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11549] <... fspick resumed>) = 4 [pid 11548] <... ioctl resumed>) = 0 [pid 11547] <... mmap resumed>) = 0x7f43d3147000 [pid 11538] <... futex resumed>) = 1 [pid 11537] <... mprotect resumed>) = 0 [pid 11536] <... futex resumed>) = 0 [pid 11549] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11548] close(3 [pid 11547] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11538] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11537] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11536] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11548] <... close resumed>) = 0 [pid 11547] <... mprotect resumed>) = 0 [pid 11538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11537] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11536] <... futex resumed>) = 0 [pid 11549] <... futex resumed>) = 1 [pid 11548] close(4 [pid 11547] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11538] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11537] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11536] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11533] <... futex resumed>) = 0 [pid 11549] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11548] <... close resumed>) = 0 [pid 11547] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11547] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11551 attached [pid 11548] mkdir("./file0", 0777 [pid 11533] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11551] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11548] <... mkdir resumed>) = 0 [pid 11547] <... clone3 resumed> => {parent_tid=[11551]}, 88) = 11551 [pid 11539] <... futex resumed>) = 0 [pid 11537] <... clone3 resumed> => {parent_tid=[11550]}, 88) = 11550 [pid 11533] <... futex resumed>) = 1 ./strace-static-x86_64: Process 11550 attached [pid 11551] <... rseq resumed>) = 0 [pid 11548] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11547] rt_sigprocmask(SIG_SETMASK, [], [ 335.299210][T11539] NILFS (loop0): error -5 truncating bmap (ino=16) [ 335.312230][T11548] loop4: detected capacity change from 0 to 2048 [ 335.324035][T11538] NILFS (loop2): mounting fs with errors [ 335.338678][T11539] NILFS (loop0): mounting fs with errors [pid 11539] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11537] rt_sigprocmask(SIG_SETMASK, [], [pid 11533] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11551] set_robust_list(0x7f43d31679a0, 24 [pid 11550] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11550] <... rseq resumed>) = 0 [pid 11550] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11537] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11537] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11550] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11550] fspick(AT_FDCWD, ".", 0) = 4 [pid 11550] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11537] <... futex resumed>) = 0 [pid 11550] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11537] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11537] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11551] <... set_robust_list resumed>) = 0 [pid 11547] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11541] <... futex resumed>) = 0 [pid 11539] <... fsconfig resumed>) = 0 [pid 11538] <... fsconfig resumed>) = 0 [pid 11551] rt_sigprocmask(SIG_SETMASK, [], [pid 11547] <... futex resumed>) = 0 [pid 11541] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11539] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11538] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11539] <... futex resumed>) = 1 [pid 11538] <... futex resumed>) = 1 [pid 11536] <... futex resumed>) = 0 [pid 11539] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11538] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11536] exit_group(0 [pid 11538] <... futex resumed>) = ? [pid 11536] <... exit_group resumed>) = ? [pid 11538] +++ exited with 0 +++ [pid 11536] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11536, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11547] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11533] <... futex resumed>) = 0 [pid 11551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11551] memfd_create("syzkaller", 0 [pid 5069] umount2("./335", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11551] <... memfd_create resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11551] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] openat(AT_FDCWD, "./335", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11551] <... mmap resumed>) = 0x7f43cac00000 [pid 5069] <... openat resumed>) = 3 [pid 5069] newfstatat(3, "", [pid 11533] exit_group(0) = ? [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11539] <... futex resumed>) = ? [pid 11549] <... futex resumed>) = ? [pid 11539] +++ exited with 0 +++ [pid 5069] getdents64(3, [pid 11541] <... fsconfig resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11541] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./335/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11541] <... futex resumed>) = 1 [pid 11537] <... futex resumed>) = 0 [pid 11541] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11537] exit_group(0 [pid 11550] <... futex resumed>) = ? [pid 11541] <... futex resumed>) = ? [pid 11537] <... exit_group resumed>) = ? [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./335/binderfs", [pid 11551] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11550] +++ exited with 0 +++ [pid 11549] +++ exited with 0 +++ [pid 11541] +++ exited with 0 +++ [pid 11537] +++ exited with 0 +++ [pid 11533] +++ exited with 0 +++ [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11537, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11533, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5069] unlink("./335/binderfs" [pid 5068] umount2("./332", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./335", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./335", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... unlink resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 3 [pid 5069] umount2("./335/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] openat(AT_FDCWD, "./332", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] newfstatat(3, "", [pid 5068] <... openat resumed>) = 3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, [pid 5068] newfstatat(3, "", [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] umount2("./335/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(3, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] newfstatat(AT_FDCWD, "./335/binderfs", [pid 5068] umount2("./332/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./335/binderfs" [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./332/binderfs", [pid 5067] <... unlink resumed>) = 0 [pid 5067] umount2("./335/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 335.343707][T11548] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 335.356799][T11541] NILFS (loop1): mounting fs with errors [pid 5068] unlink("./332/binderfs" [pid 5067] <... umount2 resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5067] umount2("./335/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./335/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./335/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./335/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 5067] rmdir("./335/file0" [pid 11551] <... write resumed>) = 1048576 [pid 5068] umount2("./332/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... rmdir resumed>) = 0 [pid 11551] munmap(0x7f43cac00000, 138412032 [pid 11548] <... mount resumed>) = 0 [pid 5067] getdents64(3, [pid 11551] <... munmap resumed>) = 0 [pid 11548] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11551] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11548] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11548] chdir("./file0" [pid 5067] close(3 [pid 11548] <... chdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 11548] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] rmdir("./335" [pid 11548] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11548] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11546] <... futex resumed>) = 0 [pid 11551] <... openat resumed>) = 4 [pid 11548] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11546] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11551] ioctl(4, LOOP_SET_FD, 3 [pid 11548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11546] <... futex resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 11548] truncate("./file2", 0 [pid 11546] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11551] <... ioctl resumed>) = 0 [pid 5067] mkdir("./336", 0777 [pid 11551] close(3 [ 335.400863][T11552] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 335.431569][T11551] loop3: detected capacity change from 0 to 2048 [ 335.432387][T11548] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 5067] <... mkdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 11551] <... close resumed>) = 0 [pid 5068] umount2("./332/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11551] close(4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 3 [pid 11551] <... close resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./332/file0", [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11551] mkdir("./file0", 0777) = 0 [pid 11551] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./332/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./332/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5068] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, [pid 11546] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11546] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11546] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5069] umount2("./335/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./335/file0", [pid 11546] <... mprotect resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11546] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] umount2("./335/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11546] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5069] openat(AT_FDCWD, "./335/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11546] <... clone3 resumed> => {parent_tid=[11553]}, 88) = 11553 [pid 5069] <... openat resumed>) = 4 [pid 11546] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] newfstatat(4, "", [pid 5068] close(4 [pid 11546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... close resumed>) = 0 [ 335.450965][T11548] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 335.470684][T11551] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 335.477843][T11548] Remounting filesystem read-only [ 335.486064][T11548] NILFS (loop4): error -5 truncating bmap (ino=16) [pid 11548] <... truncate resumed>) = 0 ./strace-static-x86_64: Process 11553 attached [pid 11546] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] rmdir("./332/file0" [pid 11553] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11546] <... futex resumed>) = 0 [pid 5069] getdents64(4, [pid 11553] <... rseq resumed>) = 0 [pid 11546] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11553] set_robust_list(0x7f43d31469a0, 24 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11553] <... set_robust_list resumed>) = 0 [pid 5069] getdents64(4, [pid 11553] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11553] fspick(AT_FDCWD, ".", 0 [pid 5069] close(4 [pid 11553] <... fspick resumed>) = 4 [pid 5069] <... close resumed>) = 0 [pid 11553] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] rmdir("./335/file0" [pid 11553] <... futex resumed>) = 1 [pid 11546] <... futex resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 11553] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11546] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] getdents64(3, [pid 5068] getdents64(3, [pid 11548] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11551] <... mount resumed>) = 0 [pid 11548] <... futex resumed>) = 0 [pid 11546] <... futex resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11553] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11551] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11548] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11546] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] close(3 [pid 5068] close(3 [pid 11551] <... openat resumed>) = 3 [pid 5067] <... ioctl resumed>) = 0 [pid 11551] chdir("./file0" [pid 5069] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 11551] <... chdir resumed>) = 0 [pid 5067] close(3 [pid 11551] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] rmdir("./335" [pid 5068] rmdir("./332" [pid 5067] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11551] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5068] mkdir("./333", 0777 [pid 11551] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] mkdir("./336", 0777./strace-static-x86_64: Process 11555 attached [pid 11555] set_robust_list(0x555589d386a0, 24) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 11551] <... futex resumed>) = 1 [pid 11547] <... futex resumed>) = 0 [ 335.501817][T11554] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 335.518840][T11553] NILFS (loop4): mounting fs with errors [pid 11555] chdir("./336" [pid 11553] <... fsconfig resumed>) = 0 [pid 11551] truncate("./file2", 0 [pid 11547] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] <... mkdir resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11555 [pid 11553] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11547] <... futex resumed>) = 0 [pid 11547] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11553] <... futex resumed>) = 1 [pid 11546] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 11555] <... chdir resumed>) = 0 [pid 11546] exit_group(0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 11546] <... exit_group resumed>) = ? [pid 11548] <... futex resumed>) = ? [pid 11548] +++ exited with 0 +++ [pid 11555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11555] setpgid(0, 0) = 0 [pid 11555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11555] write(3, "1000", 4) = 4 [pid 11555] close(3) = 0 [pid 11555] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11555] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11555] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11555] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 11555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11555] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11553] +++ exited with 0 +++ [pid 11546] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11546, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5071] umount2("./338", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./338", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./338/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./338/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./338/binderfs") = 0 [pid 5071] umount2("./338/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11555] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} => {parent_tid=[11556]}, 88) = 11556 [pid 11555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11555] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11555] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11556 attached [pid 11556] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 11551] <... truncate resumed>) = 0 [pid 11556] set_robust_list(0x7f43d31679a0, 24 [pid 11547] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11556] <... set_robust_list resumed>) = 0 [pid 11551] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11556] rt_sigprocmask(SIG_SETMASK, [], [pid 11551] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11547] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... umount2 resumed>) = 0 [pid 11556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11547] <... futex resumed>) = 0 [pid 11551] fspick(AT_FDCWD, ".", 0) = 4 [pid 11556] memfd_create("syzkaller", 0 [pid 11551] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11547] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... ioctl resumed>) = 0 [pid 11556] <... memfd_create resumed>) = 3 [pid 11551] <... futex resumed>) = 0 [pid 11547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11556] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 335.546671][T11551] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 335.565871][T11551] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 335.580316][T11551] Remounting filesystem read-only [ 335.585424][T11551] NILFS (loop3): error -5 truncating bmap (ino=16) [pid 11547] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11556] <... mmap resumed>) = 0x7f43cac00000 [pid 11551] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11547] <... futex resumed>) = 0 [pid 11547] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... ioctl resumed>) = 0 [pid 5071] umount2("./338/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] close(3 [pid 11551] <... fsconfig resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... close resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555589d38690) = 11557 ./strace-static-x86_64: Process 11557 attached [pid 11556] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11551] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] newfstatat(AT_FDCWD, "./338/file0", [pid 5069] close(3 [pid 11557] set_robust_list(0x555589d386a0, 24 [pid 11551] <... futex resumed>) = 1 [pid 11547] <... futex resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11551] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11547] exit_group(0 [pid 5071] umount2("./338/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11551] <... futex resumed>) = ? [pid 11547] <... exit_group resumed>) = ? [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... close resumed>) = 0 [pid 11557] <... set_robust_list resumed>) = 0 [pid 11551] +++ exited with 0 +++ [pid 5071] openat(AT_FDCWD, "./338/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11557] chdir("./333") = 0 [pid 11557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11547] +++ exited with 0 +++ [pid 5071] <... openat resumed>) = 4 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(4, [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11547, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] umount2("./335", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(4, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] openat(AT_FDCWD, "./335", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] close(4 [pid 5070] <... openat resumed>) = 3 [pid 5071] <... close resumed>) = 0 [pid 5070] newfstatat(3, "", ./strace-static-x86_64: Process 11558 attached [pid 11557] <... prctl resumed>) = 0 [pid 5071] rmdir("./338/file0" [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11558 [pid 11558] set_robust_list(0x555589d386a0, 24 [pid 11557] setpgid(0, 0 [pid 5070] getdents64(3, [pid 11557] <... setpgid resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11558] <... set_robust_list resumed>) = 0 [pid 11557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] getdents64(3, [pid 5070] umount2("./335/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11558] chdir("./336" [pid 11557] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11558] <... chdir resumed>) = 0 [ 335.621688][T11551] NILFS (loop3): mounting fs with errors [pid 11557] write(3, "1000", 4 [pid 5071] close(3 [pid 5070] newfstatat(AT_FDCWD, "./335/binderfs", [pid 11558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11557] <... write resumed>) = 4 [pid 11556] <... write resumed>) = 1048576 [pid 5071] <... close resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11558] <... prctl resumed>) = 0 [pid 11557] close(3 [pid 5071] rmdir("./338" [pid 11558] setpgid(0, 0 [pid 11557] <... close resumed>) = 0 [pid 5070] unlink("./335/binderfs" [pid 5071] <... rmdir resumed>) = 0 [pid 5071] mkdir("./339", 0777 [pid 11557] symlink("/dev/binderfs", "./binderfs" [pid 5070] <... unlink resumed>) = 0 [pid 11557] <... symlink resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11557] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... openat resumed>) = 3 [pid 5070] umount2("./335/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11558] <... setpgid resumed>) = 0 [pid 11557] <... futex resumed>) = 0 [pid 11557] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11557] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11558] <... openat resumed>) = 3 [pid 11557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 11557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11558] write(3, "1000", 4 [pid 11557] <... mmap resumed>) = 0x7f43d3147000 [pid 11556] munmap(0x7f43cac00000, 138412032 [pid 11558] <... write resumed>) = 4 [pid 11557] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11556] <... munmap resumed>) = 0 [pid 11558] close(3 [pid 11557] <... mprotect resumed>) = 0 [pid 11558] <... close resumed>) = 0 [pid 11557] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11558] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11557] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11556] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 11559 attached [pid 11558] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11556] <... openat resumed>) = 4 [pid 5070] <... umount2 resumed>) = 0 [pid 11559] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11558] <... futex resumed>) = 0 [pid 11557] <... clone3 resumed> => {parent_tid=[11559]}, 88) = 11559 [pid 11556] ioctl(4, LOOP_SET_FD, 3 [pid 11559] <... rseq resumed>) = 0 [pid 11558] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11557] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] umount2("./335/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11559] set_robust_list(0x7f43d31679a0, 24 [pid 11558] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11556] <... ioctl resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11559] <... set_robust_list resumed>) = 0 [pid 11557] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] newfstatat(AT_FDCWD, "./335/file0", [pid 11558] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11557] <... futex resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11557] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5070] umount2("./335/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11559] rt_sigprocmask(SIG_SETMASK, [], [pid 11558] <... mmap resumed>) = 0x7f43d3147000 [pid 11556] close(3 [pid 11559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11556] <... close resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./335/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11559] memfd_create("syzkaller", 0 [pid 11558] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11556] close(4 [pid 5070] <... openat resumed>) = 4 [pid 11559] <... memfd_create resumed>) = 3 [pid 11556] <... close resumed>) = 0 [pid 11559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11558] <... mprotect resumed>) = 0 [pid 11556] mkdir("./file0", 0777 [pid 11559] <... mmap resumed>) = 0x7f43cac00000 [pid 11556] <... mkdir resumed>) = 0 [pid 5070] newfstatat(4, "", [pid 11559] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11558] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11556] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5071] <... ioctl resumed>) = 0 [pid 11558] <... rt_sigprocmask resumed>[], 8) = 0 [ 335.708125][T11556] loop0: detected capacity change from 0 to 2048 [pid 5070] getdents64(4, [pid 11558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, ./strace-static-x86_64: Process 11560 attached [pid 11560] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 11560] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11560] rt_sigprocmask(SIG_SETMASK, [], [pid 11558] <... clone3 resumed> => {parent_tid=[11560]}, 88) = 11560 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11560] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11559] <... write resumed>) = 1048576 [pid 11558] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] close(4) = 0 [pid 5070] rmdir("./335/file0" [pid 11558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11558] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... rmdir resumed>) = 0 [pid 11558] <... futex resumed>) = 1 [pid 11560] <... futex resumed>) = 0 [pid 11558] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5070] getdents64(3, [pid 11560] memfd_create("syzkaller", 0 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11561 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11560] <... memfd_create resumed>) = 3 [pid 11560] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] close(3 [pid 11560] <... mmap resumed>) = 0x7f43cac00000 [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./335"./strace-static-x86_64: Process 11561 attached [pid 11559] munmap(0x7f43cac00000, 138412032 [pid 11561] set_robust_list(0x555589d386a0, 24 [pid 11559] <... munmap resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 11561] <... set_robust_list resumed>) = 0 [pid 11561] chdir("./339" [pid 5070] mkdir("./336", 0777 [pid 11561] <... chdir resumed>) = 0 [pid 11561] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11560] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11559] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11561] <... prctl resumed>) = 0 [pid 11559] <... openat resumed>) = 4 [pid 5070] <... mkdir resumed>) = 0 [ 335.749207][T11556] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11561] setpgid(0, 0) = 0 [pid 11559] ioctl(4, LOOP_SET_FD, 3 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11560] <... write resumed>) = 1048576 [pid 5070] <... openat resumed>) = 3 [pid 11561] <... openat resumed>) = 3 [pid 11560] munmap(0x7f43cac00000, 138412032 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 11561] write(3, "1000", 4) = 4 [pid 11561] close(3) = 0 [pid 11561] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11561] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11560] <... munmap resumed>) = 0 [pid 11561] <... futex resumed>) = 0 [pid 11561] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11561] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11560] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11560] <... openat resumed>) = 4 [pid 11561] <... mmap resumed>) = 0x7f43d3147000 [pid 11561] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11560] ioctl(4, LOOP_SET_FD, 3 [pid 11561] <... mprotect resumed>) = 0 [pid 11559] <... ioctl resumed>) = 0 [pid 11561] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11563 attached [pid 11563] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11561] <... clone3 resumed> => {parent_tid=[11563]}, 88) = 11563 [pid 11563] <... rseq resumed>) = 0 [pid 11561] rt_sigprocmask(SIG_SETMASK, [], [pid 11563] set_robust_list(0x7f43d31679a0, 24 [pid 11560] <... ioctl resumed>) = 0 [pid 11559] close(3 [pid 11556] <... mount resumed>) = 0 [pid 11563] <... set_robust_list resumed>) = 0 [pid 11561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11560] close(3 [pid 11559] <... close resumed>) = 0 [pid 11556] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11563] rt_sigprocmask(SIG_SETMASK, [], [pid 11561] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11560] <... close resumed>) = 0 [pid 11559] close(4 [pid 11556] <... openat resumed>) = 3 [pid 11563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11561] <... futex resumed>) = 0 [pid 11559] <... close resumed>) = 0 [pid 11556] chdir("./file0" [pid 11563] memfd_create("syzkaller", 0 [pid 11561] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11563] <... memfd_create resumed>) = 3 [pid 11559] mkdir("./file0", 0777 [pid 11556] <... chdir resumed>) = 0 [pid 11563] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11563] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11556] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11559] <... mkdir resumed>) = 0 [pid 11559] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11556] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11556] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 335.800207][T11559] loop1: detected capacity change from 0 to 2048 [ 335.816581][T11562] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 335.818355][T11560] loop2: detected capacity change from 0 to 2048 [pid 11556] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11560] close(4 [pid 11555] <... futex resumed>) = 0 [pid 11555] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11555] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11556] <... futex resumed>) = 0 [pid 11560] <... close resumed>) = 0 [pid 11560] mkdir("./file0", 0777 [pid 11556] truncate("./file2", 0 [pid 11560] <... mkdir resumed>) = 0 [ 335.853182][T11559] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 335.870344][T11556] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 335.890082][T11556] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11560] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5070] <... ioctl resumed>) = 0 [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11563] <... write resumed>) = 1048576 [pid 11563] munmap(0x7f43cac00000, 138412032./strace-static-x86_64: Process 11564 attached ) = 0 [pid 11555] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11564] set_robust_list(0x555589d386a0, 24) = 0 [pid 11564] chdir("./336" [pid 11555] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11564 [pid 11564] <... chdir resumed>) = 0 [pid 11563] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11555] <... futex resumed>) = 0 [pid 11564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11563] <... openat resumed>) = 4 [pid 11555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11564] <... prctl resumed>) = 0 [pid 11563] ioctl(4, LOOP_SET_FD, 3 [pid 11555] <... mmap resumed>) = 0x7f43d3126000 [pid 11555] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11564] setpgid(0, 0 [pid 11563] <... ioctl resumed>) = 0 [pid 11555] <... mprotect resumed>) = 0 [pid 11555] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11564] <... setpgid resumed>) = 0 [pid 11563] close(3 [pid 11555] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11563] <... close resumed>) = 0 [pid 11555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11565 attached [pid 11564] <... openat resumed>) = 3 [pid 11563] close(4 [pid 11565] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11564] write(3, "1000", 4 [pid 11563] <... close resumed>) = 0 [pid 11555] <... clone3 resumed> => {parent_tid=[11565]}, 88) = 11565 [pid 11565] <... rseq resumed>) = 0 [pid 11564] <... write resumed>) = 4 [pid 11563] mkdir("./file0", 0777 [pid 11555] rt_sigprocmask(SIG_SETMASK, [], [pid 11565] set_robust_list(0x7f43d31469a0, 24 [pid 11564] close(3 [pid 11563] <... mkdir resumed>) = 0 [pid 11555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11565] <... set_robust_list resumed>) = 0 [pid 11564] <... close resumed>) = 0 [pid 11565] rt_sigprocmask(SIG_SETMASK, [], [pid 11564] symlink("/dev/binderfs", "./binderfs" [pid 11565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11563] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11555] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11565] fspick(AT_FDCWD, ".", 0 [pid 11564] <... symlink resumed>) = 0 [pid 11555] <... futex resumed>) = 0 [ 335.901999][T11560] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 335.914272][T11563] loop4: detected capacity change from 0 to 2048 [ 335.938193][T11566] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11565] <... fspick resumed>) = 4 [pid 11564] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11555] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11565] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11564] <... futex resumed>) = 0 [pid 11565] <... futex resumed>) = 1 [pid 11564] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11555] <... futex resumed>) = 0 [pid 11565] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11564] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11555] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11564] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11555] <... futex resumed>) = 0 [pid 11564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11555] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11559] <... mount resumed>) = 0 [pid 11564] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11559] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11564] <... mprotect resumed>) = 0 [pid 11559] <... openat resumed>) = 3 [pid 11564] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11559] chdir("./file0" [pid 11564] <... clone3 resumed> => {parent_tid=[11567]}, 88) = 11567 [pid 11564] rt_sigprocmask(SIG_SETMASK, [], [pid 11559] <... chdir resumed>) = 0 [pid 11564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11559] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11564] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11564] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11567 attached [pid 11567] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 11567] set_robust_list(0x7f43d31679a0, 24 [pid 11559] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11567] <... set_robust_list resumed>) = 0 [pid 11567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11560] <... mount resumed>) = 0 [pid 11559] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11567] memfd_create("syzkaller", 0 [pid 11559] <... futex resumed>) = 1 [pid 11567] <... memfd_create resumed>) = 3 [pid 11560] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11559] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11557] <... futex resumed>) = 0 [pid 11567] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11560] <... openat resumed>) = 3 [pid 11557] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11567] <... mmap resumed>) = 0x7f43cac00000 [pid 11567] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11560] chdir("./file0" [pid 11559] <... futex resumed>) = 0 [pid 11557] <... futex resumed>) = 1 [pid 11555] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11560] <... chdir resumed>) = 0 [ 335.938637][T11556] Remounting filesystem read-only [ 335.959003][T11563] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 335.979998][T11568] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 335.981466][T11556] NILFS (loop0): error -5 truncating bmap (ino=16) [pid 11559] truncate("./file2", 0 [pid 11557] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11560] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11560] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11558] <... futex resumed>) = 0 [pid 11560] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11558] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11560] truncate("./file2", 0 [pid 11558] <... futex resumed>) = 0 [pid 11556] <... truncate resumed>) = 0 [pid 11556] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 336.015962][T11559] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 336.033013][T11560] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 336.033065][T11569] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 336.047093][T11559] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11556] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11558] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11557] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11567] <... write resumed>) = 1048576 [pid 11557] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11567] munmap(0x7f43cac00000, 138412032 [pid 11563] <... mount resumed>) = 0 [pid 11557] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11567] <... munmap resumed>) = 0 [pid 11563] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11557] <... mprotect resumed>) = 0 [pid 11563] <... openat resumed>) = 3 [pid 11557] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11563] chdir("./file0" [pid 11557] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11567] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11563] <... chdir resumed>) = 0 [pid 11557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11567] <... openat resumed>) = 4 [ 336.062299][T11565] NILFS (loop0): mounting fs with errors [ 336.074837][T11560] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11563] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11557] <... clone3 resumed> => {parent_tid=[11570]}, 88) = 11570 [pid 11567] ioctl(4, LOOP_SET_FD, 3 [pid 11563] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11557] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11570 attached [pid 11565] <... fsconfig resumed>) = 0 [pid 11558] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11558] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11558] <... futex resumed>) = 0 [pid 11557] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11557] <... futex resumed>) = 0 [pid 11558] <... mmap resumed>) = 0x7f43d3126000 [pid 11557] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11558] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11558] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[11571]}, 88) = 11571 [pid 11558] rt_sigprocmask(SIG_SETMASK, [], [pid 11570] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11565] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11571 attached [pid 11570] <... rseq resumed>) = 0 [pid 11563] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11571] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11570] set_robust_list(0x7f43d31469a0, 24 [pid 11571] <... rseq resumed>) = 0 [pid 11563] <... futex resumed>) = 1 [pid 11571] set_robust_list(0x7f43d31469a0, 24 [pid 11563] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11571] <... set_robust_list resumed>) = 0 [pid 11570] <... set_robust_list resumed>) = 0 [pid 11571] rt_sigprocmask(SIG_SETMASK, [], [pid 11555] exit_group(0 [pid 11571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11570] rt_sigprocmask(SIG_SETMASK, [], [pid 11558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11556] <... futex resumed>) = ? [pid 11555] <... exit_group resumed>) = ? [pid 11565] <... futex resumed>) = ? [pid 11571] fspick(AT_FDCWD, ".", 0 [pid 11570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11561] <... futex resumed>) = 0 [pid 11558] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11571] <... fspick resumed>) = 4 [pid 11570] fspick(AT_FDCWD, ".", 0 [pid 11561] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11558] <... futex resumed>) = 0 [pid 11565] +++ exited with 0 +++ [pid 11556] +++ exited with 0 +++ [pid 11558] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11567] <... ioctl resumed>) = 0 [pid 11571] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11570] <... fspick resumed>) = 4 [pid 11563] <... futex resumed>) = 0 [pid 11561] <... futex resumed>) = 1 [pid 11555] +++ exited with 0 +++ [pid 11567] close(3) = 0 [pid 11567] close(4) = 0 [pid 11567] mkdir("./file0", 0777) = 0 [pid 11567] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11571] <... futex resumed>) = 1 [pid 11570] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11563] truncate("./file2", 0 [pid 11561] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11560] <... truncate resumed>) = 0 [pid 11559] <... truncate resumed>) = 0 [pid 11558] <... futex resumed>) = 0 [ 336.114762][T11567] loop3: detected capacity change from 0 to 2048 [ 336.118310][T11560] Remounting filesystem read-only [ 336.131521][T11559] Remounting filesystem read-only [ 336.136806][T11560] NILFS (loop2): error -5 truncating bmap (ino=16) [ 336.144049][T11559] NILFS (loop1): error -5 truncating bmap (ino=16) [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11555, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 11571] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11570] <... futex resumed>) = 1 [pid 11560] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11559] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11558] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11557] <... futex resumed>) = 0 [pid 11558] <... futex resumed>) = 0 [pid 11557] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11570] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11560] <... futex resumed>) = 0 [pid 11559] <... futex resumed>) = 0 [pid 11558] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11560] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11559] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11557] <... futex resumed>) = 0 [pid 11557] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] umount2("./336", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./336", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./336/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./336/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./336/binderfs") = 0 [pid 5067] umount2("./336/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11559] <... fsconfig resumed>) = 0 [pid 11559] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11571] <... fsconfig resumed>) = 0 [pid 11557] <... futex resumed>) = 0 [pid 11559] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11571] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11557] exit_group(0 [pid 11571] <... futex resumed>) = 1 [pid 11558] <... futex resumed>) = 0 [pid 11571] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11570] <... futex resumed>) = ? [pid 11559] <... futex resumed>) = ? [pid 11557] <... exit_group resumed>) = ? [pid 11558] exit_group(0 [pid 11570] +++ exited with 0 +++ [pid 11558] <... exit_group resumed>) = ? [pid 11560] <... futex resumed>) = ? [pid 11559] +++ exited with 0 +++ [pid 11560] +++ exited with 0 +++ [pid 11557] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11557, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [ 336.163340][T11571] NILFS (loop2): mounting fs with errors [ 336.166514][T11563] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 336.172061][T11559] NILFS (loop1): mounting fs with errors [ 336.180620][T11567] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 336.196219][T11563] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 11571] <... futex resumed>) = ? [pid 5068] umount2("./333", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./333", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11561] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] getdents64(3, [pid 11561] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11561] <... futex resumed>) = 0 [pid 5068] umount2("./333/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./333/binderfs", [pid 11561] <... mmap resumed>) = 0x7f43d3126000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11561] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5068] unlink("./333/binderfs" [pid 11571] +++ exited with 0 +++ [pid 11561] <... mprotect resumed>) = 0 [pid 11558] +++ exited with 0 +++ [pid 5068] <... unlink resumed>) = 0 [pid 11561] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11558, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5068] umount2("./333/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11561] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11563] <... truncate resumed>) = 0 [pid 11561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5069] umount2("./336", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11563] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 11572 attached [pid 11563] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./336/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11572] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11563] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11572] <... rseq resumed>) = 0 [pid 11561] <... clone3 resumed> => {parent_tid=[11572]}, 88) = 11572 [pid 5069] openat(AT_FDCWD, "./336", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11561] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... openat resumed>) = 3 [pid 11572] set_robust_list(0x7f43d31469a0, 24 [pid 11561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] newfstatat(3, "", [pid 5067] newfstatat(AT_FDCWD, "./336/file0", [pid 11572] <... set_robust_list resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11572] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5067] umount2("./336/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11572] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./336/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 11567] <... mount resumed>) = 0 [pid 11561] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 11567] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] newfstatat(4, "", [pid 11572] <... futex resumed>) = 0 [pid 11567] <... openat resumed>) = 3 [pid 11561] <... futex resumed>) = 1 [pid 5069] getdents64(3, [pid 5068] umount2("./333/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11572] fspick(AT_FDCWD, ".", 0 [pid 11567] chdir("./file0" [pid 11561] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11572] <... fspick resumed>) = 4 [pid 11567] <... chdir resumed>) = 0 [pid 5067] getdents64(4, [pid 11572] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11567] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] umount2("./336/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(AT_FDCWD, "./333/file0", [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11572] <... futex resumed>) = 1 [pid 11561] <... futex resumed>) = 0 [pid 11572] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11567] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11561] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] getdents64(4, [pid 11567] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11563] <... futex resumed>) = 0 [pid 11561] <... futex resumed>) = 1 [pid 5069] newfstatat(AT_FDCWD, "./336/binderfs", [pid 5068] umount2("./333/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11567] <... futex resumed>) = 1 [pid 11564] <... futex resumed>) = 0 [pid 11563] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11561] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11567] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11564] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 336.215395][T11563] Remounting filesystem read-only [ 336.222869][T11563] NILFS (loop4): error -5 truncating bmap (ino=16) [ 336.246596][T11573] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] unlink("./336/binderfs" [pid 11567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11564] <... futex resumed>) = 0 [pid 11563] <... fsconfig resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./333/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] close(4 [pid 11564] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11567] truncate("./file2", 0 [pid 11563] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./336/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 4 [pid 5067] <... close resumed>) = 0 [pid 11563] <... futex resumed>) = 1 [pid 11561] <... futex resumed>) = 0 [pid 5067] rmdir("./336/file0" [pid 11563] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11561] exit_group(0 [pid 5068] newfstatat(4, "", [pid 5067] <... rmdir resumed>) = 0 [pid 11572] <... futex resumed>) = ? [pid 11563] <... futex resumed>) = ? [pid 11561] <... exit_group resumed>) = ? [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11572] +++ exited with 0 +++ [pid 11563] +++ exited with 0 +++ [pid 11561] +++ exited with 0 +++ [pid 5068] getdents64(4, [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11561, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(3, [pid 5068] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] umount2("./339", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] close(4 [pid 5067] close(3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... close resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./339", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] rmdir("./333/file0" [pid 5067] rmdir("./336" [pid 5071] <... openat resumed>) = 3 [pid 5068] <... rmdir resumed>) = 0 [pid 5071] newfstatat(3, "", [pid 5067] <... rmdir resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./339/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] mkdir("./337", 0777 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] close(3 [pid 5071] newfstatat(AT_FDCWD, "./339/binderfs", [pid 5068] <... close resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] rmdir("./333" [pid 5071] unlink("./339/binderfs" [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5071] umount2("./339/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = 0 [pid 5068] mkdir("./334", 0777 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5068] <... mkdir resumed>) = 0 [ 336.272655][T11563] NILFS (loop4): mounting fs with errors [ 336.288607][T11567] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 336.303702][T11567] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 336.314428][T11567] Remounting filesystem read-only [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11567] <... truncate resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5069] umount2("./336/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11567] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] umount2("./339/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... openat resumed>) = 3 [pid 11564] <... futex resumed>) = 0 [pid 11567] <... futex resumed>) = 1 [pid 11564] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./336/file0", [pid 5068] ioctl(3, LOOP_CLR_FD [pid 11567] fspick(AT_FDCWD, ".", 0 [pid 11564] <... futex resumed>) = 0 [pid 5071] newfstatat(AT_FDCWD, "./339/file0", [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11567] <... fspick resumed>) = 4 [pid 11564] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11567] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./336/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./339/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11567] <... futex resumed>) = 1 [pid 11564] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11564] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11567] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5071] openat(AT_FDCWD, "./339/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./336/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11564] <... futex resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5069] <... openat resumed>) = 4 [pid 5071] newfstatat(4, "", [pid 11567] <... fsconfig resumed>) = 0 [pid 11564] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] newfstatat(4, "", [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11567] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... ioctl resumed>) = 0 [pid 11567] <... futex resumed>) = 1 [pid 11567] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11564] <... futex resumed>) = 0 [pid 5071] getdents64(4, [pid 5069] getdents64(4, [pid 5067] close(3 [pid 11564] exit_group(0 [pid 5068] <... ioctl resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11564] <... exit_group resumed>) = ? [pid 5067] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, [pid 11567] <... futex resumed>) = ? [pid 5068] close(3./strace-static-x86_64: Process 11574 attached [pid 11567] +++ exited with 0 +++ [pid 11564] +++ exited with 0 +++ [pid 5068] <... close resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11564, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [ 336.319931][T11567] NILFS (loop3): error -5 truncating bmap (ino=16) [ 336.340140][T11567] NILFS (loop3): mounting fs with errors [pid 5070] umount2("./336", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./336", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 5070] getdents64(3, [pid 5071] getdents64(4, [pid 5069] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] close(4 [pid 5069] rmdir("./336/file0" [pid 5071] <... close resumed>) = 0 [pid 5070] umount2("./336/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... rmdir resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11574] set_robust_list(0x555589d386a0, 24 [pid 5071] rmdir("./339/file0" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11574] <... set_robust_list resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] newfstatat(AT_FDCWD, "./336/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] getdents64(3, [pid 11574] chdir("./337" [pid 5070] unlink("./336/binderfs" [pid 11574] <... chdir resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11575 ./strace-static-x86_64: Process 11575 attached [pid 11574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] getdents64(3, [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11574 [pid 11575] set_robust_list(0x555589d386a0, 24 [pid 11574] <... prctl resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] umount2("./336/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] close(3 [pid 11575] <... set_robust_list resumed>) = 0 [pid 11574] setpgid(0, 0 [pid 5071] close(3 [pid 5069] <... close resumed>) = 0 [pid 11575] chdir("./334" [pid 11574] <... setpgid resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] rmdir("./336" [pid 5071] rmdir("./339" [pid 11574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... rmdir resumed>) = 0 [pid 11574] <... openat resumed>) = 3 [pid 5071] mkdir("./340", 0777 [pid 11575] <... chdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 11574] write(3, "1000", 4) = 4 [pid 11575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11574] close(3 [pid 5071] <... mkdir resumed>) = 0 [pid 5069] mkdir("./337", 0777 [pid 11575] <... prctl resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11574] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 11575] setpgid(0, 0 [pid 11574] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... openat resumed>) = 3 [pid 11575] <... setpgid resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] umount2("./336/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11574] <... symlink resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 3 [pid 5070] newfstatat(AT_FDCWD, "./336/file0", [pid 5069] ioctl(3, LOOP_CLR_FD [pid 11574] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11574] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11574] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] umount2("./336/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11575] <... openat resumed>) = 3 [pid 11574] <... mmap resumed>) = 0x7f43d3147000 [pid 5070] openat(AT_FDCWD, "./336/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11575] write(3, "1000", 4 [pid 5070] <... openat resumed>) = 4 [pid 11575] <... write resumed>) = 4 [pid 5070] newfstatat(4, "", [pid 11574] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11575] close(3 [pid 11574] <... mprotect resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11575] <... close resumed>) = 0 [pid 5070] getdents64(4, [pid 11575] symlink("/dev/binderfs", "./binderfs" [pid 11574] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11575] <... symlink resumed>) = 0 [pid 11574] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] getdents64(4, [pid 11575] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11575] <... futex resumed>) = 0 [pid 5070] close(4 [pid 11575] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5070] <... close resumed>) = 0 ./strace-static-x86_64: Process 11576 attached [pid 11575] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11574] <... clone3 resumed> => {parent_tid=[11576]}, 88) = 11576 [pid 5070] rmdir("./336/file0" [pid 11576] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11575] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11574] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] <... rmdir resumed>) = 0 [pid 11576] <... rseq resumed>) = 0 [pid 11576] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] getdents64(3, [pid 11576] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11574] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11575] <... mmap resumed>) = 0x7f43d3147000 [pid 11574] <... futex resumed>) = 0 [pid 5070] close(3 [pid 11575] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11574] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5070] <... close resumed>) = 0 [pid 11575] <... mprotect resumed>) = 0 [pid 5070] rmdir("./336" [pid 11575] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] <... rmdir resumed>) = 0 [pid 11575] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11576] memfd_create("syzkaller", 0 [pid 11575] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11576] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 11577 attached [pid 11576] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] mkdir("./337", 0777 [pid 11577] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11576] <... mmap resumed>) = 0x7f43cac00000 [pid 11575] <... clone3 resumed> => {parent_tid=[11577]}, 88) = 11577 [pid 11577] <... rseq resumed>) = 0 [pid 11577] set_robust_list(0x7f43d31679a0, 24 [pid 5070] <... mkdir resumed>) = 0 [pid 11577] <... set_robust_list resumed>) = 0 [pid 11577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11577] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11575] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5071] <... ioctl resumed>) = 0 [pid 11575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11576] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5069] <... ioctl resumed>) = 0 [pid 11575] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11577] <... futex resumed>) = 0 [pid 11575] <... futex resumed>) = 1 [pid 5071] close(3 [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11577] memfd_create("syzkaller", 0) = 3 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11578 [pid 11577] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11575] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11578 attached [pid 11578] set_robust_list(0x555589d386a0, 24) = 0 [pid 5071] <... close resumed>) = 0 [pid 11578] chdir("./337" [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11578] <... chdir resumed>) = 0 [pid 11578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11578] setpgid(0, 0) = 0 [pid 11578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 11579 attached ) = 3 [pid 5070] <... ioctl resumed>) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11579 [pid 11579] set_robust_list(0x555589d386a0, 24 [pid 11578] write(3, "1000", 4 [pid 11577] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11579] <... set_robust_list resumed>) = 0 [pid 11578] <... write resumed>) = 4 [pid 11578] close(3 [pid 11579] chdir("./340" [pid 11578] <... close resumed>) = 0 [pid 11578] symlink("/dev/binderfs", "./binderfs" [pid 11579] <... chdir resumed>) = 0 [pid 11578] <... symlink resumed>) = 0 [pid 11576] <... write resumed>) = 1048576 [pid 11579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11578] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] close(3 [pid 11579] <... prctl resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 11579] setpgid(0, 0 [pid 11578] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11579] <... setpgid resumed>) = 0 [pid 11576] munmap(0x7f43cac00000, 138412032 [pid 11578] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11578] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11576] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 11580 attached [pid 11579] <... openat resumed>) = 3 [pid 11578] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11577] <... write resumed>) = 1048576 [pid 11576] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11580] set_robust_list(0x555589d386a0, 24 [pid 11578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11578] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11578] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11579] write(3, "1000", 4 [pid 11578] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11580] <... set_robust_list resumed>) = 0 [pid 11578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11579] <... write resumed>) = 4 ./strace-static-x86_64: Process 11581 attached [pid 11580] chdir("./337" [pid 11579] close(3) = 0 [pid 11578] <... clone3 resumed> => {parent_tid=[11581]}, 88) = 11581 [pid 11579] symlink("/dev/binderfs", "./binderfs" [pid 11578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11580] <... chdir resumed>) = 0 [pid 11578] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11576] <... openat resumed>) = 4 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11580 [pid 11581] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11579] <... symlink resumed>) = 0 [pid 11578] <... futex resumed>) = 0 [pid 11576] ioctl(4, LOOP_SET_FD, 3 [pid 11581] <... rseq resumed>) = 0 [pid 11579] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11578] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11576] <... ioctl resumed>) = 0 [pid 11581] set_robust_list(0x7f43d31679a0, 24 [pid 11580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11579] <... futex resumed>) = 0 [pid 11580] <... prctl resumed>) = 0 [pid 11579] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11581] <... set_robust_list resumed>) = 0 [pid 11581] rt_sigprocmask(SIG_SETMASK, [], [pid 11580] setpgid(0, 0 [pid 11579] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11580] <... setpgid resumed>) = 0 [pid 11579] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11581] memfd_create("syzkaller", 0 [pid 11580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11577] munmap(0x7f43cac00000, 138412032 [pid 11576] close(3 [pid 11581] <... memfd_create resumed>) = 3 [pid 11580] <... openat resumed>) = 3 [pid 11579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11581] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11580] write(3, "1000", 4 [pid 11579] <... mmap resumed>) = 0x7f43d3147000 [pid 11577] <... munmap resumed>) = 0 [pid 11576] <... close resumed>) = 0 [pid 11581] <... mmap resumed>) = 0x7f43cac00000 [pid 11580] <... write resumed>) = 4 [pid 11579] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11577] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11576] close(4 [pid 11580] close(3 [pid 11579] <... mprotect resumed>) = 0 [pid 11580] <... close resumed>) = 0 [pid 11580] symlink("/dev/binderfs", "./binderfs" [pid 11576] <... close resumed>) = 0 [pid 11580] <... symlink resumed>) = 0 [pid 11580] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11581] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11579] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11577] <... openat resumed>) = 4 [pid 11576] mkdir("./file0", 0777 [pid 11580] <... futex resumed>) = 0 [pid 11579] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11577] ioctl(4, LOOP_SET_FD, 3 [pid 11576] <... mkdir resumed>) = 0 [ 336.561392][T11576] loop0: detected capacity change from 0 to 2048 [pid 11579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11576] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, ""./strace-static-x86_64: Process 11582 attached [pid 11579] <... clone3 resumed> => {parent_tid=[11582]}, 88) = 11582 [pid 11582] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11579] rt_sigprocmask(SIG_SETMASK, [], [pid 11582] <... rseq resumed>) = 0 [pid 11579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11582] set_robust_list(0x7f43d31679a0, 24 [pid 11579] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11582] <... set_robust_list resumed>) = 0 [pid 11579] <... futex resumed>) = 0 [pid 11582] rt_sigprocmask(SIG_SETMASK, [], [pid 11579] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11582] memfd_create("syzkaller", 0) = 3 [pid 11581] <... write resumed>) = 1048576 [pid 11580] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11577] <... ioctl resumed>) = 0 [pid 11582] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11581] munmap(0x7f43cac00000, 138412032 [pid 11580] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11581] <... munmap resumed>) = 0 [pid 11580] <... mmap resumed>) = 0x7f43d3147000 [pid 11580] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11581] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} => {parent_tid=[11584]}, 88) = 11584 ./strace-static-x86_64: Process 11584 attached [pid 11580] rt_sigprocmask(SIG_SETMASK, [], [pid 11584] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11581] <... openat resumed>) = 4 [pid 11580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11584] <... rseq resumed>) = 0 [pid 11581] ioctl(4, LOOP_SET_FD, 3 [pid 11580] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11584] set_robust_list(0x7f43d31679a0, 24 [pid 11580] <... futex resumed>) = 0 [pid 11584] <... set_robust_list resumed>) = 0 [pid 11582] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11577] close(3 [pid 11584] rt_sigprocmask(SIG_SETMASK, [], [pid 11577] <... close resumed>) = 0 [pid 11577] close(4 [pid 11584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11576] <... mount resumed>) = 0 [pid 11580] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11581] <... ioctl resumed>) = 0 [pid 11584] memfd_create("syzkaller", 0 [pid 11576] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11584] <... memfd_create resumed>) = 3 [pid 11581] close(3 [pid 11577] <... close resumed>) = 0 [pid 11576] <... openat resumed>) = 3 [pid 11577] mkdir("./file0", 0777 [pid 11576] chdir("./file0" [pid 11584] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11581] <... close resumed>) = 0 [pid 11577] <... mkdir resumed>) = 0 [pid 11576] <... chdir resumed>) = 0 [pid 11584] <... mmap resumed>) = 0x7f43cac00000 [ 336.612279][T11577] loop1: detected capacity change from 0 to 2048 [ 336.619002][T11576] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 336.642544][T11583] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 336.649206][T11581] loop2: detected capacity change from 0 to 2048 [pid 11581] close(4 [pid 11577] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11576] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11581] <... close resumed>) = 0 [pid 11576] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11584] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11582] <... write resumed>) = 1048576 [pid 11581] mkdir("./file0", 0777 [pid 11576] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11576] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11574] <... futex resumed>) = 0 [pid 11574] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11576] <... futex resumed>) = 0 [pid 11574] <... futex resumed>) = 1 [pid 11576] truncate("./file2", 0 [pid 11581] <... mkdir resumed>) = 0 [pid 11581] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11582] munmap(0x7f43cac00000, 138412032 [pid 11574] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11582] <... munmap resumed>) = 0 [ 336.674904][T11577] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 336.688501][T11576] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 336.703542][T11576] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 336.710062][T11581] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11582] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11584] <... write resumed>) = 1048576 [pid 11582] <... openat resumed>) = 4 [pid 11582] ioctl(4, LOOP_SET_FD, 3 [pid 11574] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11574] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11584] munmap(0x7f43cac00000, 138412032 [pid 11574] <... mmap resumed>) = 0x7f43d3126000 [pid 11584] <... munmap resumed>) = 0 [pid 11574] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11574] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[11587]}, 88) = 11587 [pid 11574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11574] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11574] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11587 attached [pid 11587] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 11587] set_robust_list(0x7f43d31469a0, 24 [pid 11584] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11587] <... set_robust_list resumed>) = 0 [pid 11584] <... openat resumed>) = 4 [pid 11587] rt_sigprocmask(SIG_SETMASK, [], [pid 11584] ioctl(4, LOOP_SET_FD, 3 [pid 11587] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 336.732600][T11585] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 336.744916][T11576] Remounting filesystem read-only [ 336.748328][T11586] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 336.764124][T11576] NILFS (loop0): error -5 truncating bmap (ino=16) [ 336.765520][T11582] loop4: detected capacity change from 0 to 2048 [pid 11587] fspick(AT_FDCWD, ".", 0) = 4 [pid 11587] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11584] <... ioctl resumed>) = 0 [pid 11582] <... ioctl resumed>) = 0 [pid 11581] <... mount resumed>) = 0 [pid 11577] <... mount resumed>) = 0 [pid 11576] <... truncate resumed>) = 0 [pid 11587] <... futex resumed>) = 1 [pid 11577] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11574] <... futex resumed>) = 0 [pid 11587] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11577] <... openat resumed>) = 3 [pid 11574] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11577] chdir("./file0" [pid 11574] <... futex resumed>) = 0 [pid 11587] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11577] <... chdir resumed>) = 0 [pid 11574] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11584] close(3 [pid 11582] close(3 [pid 11581] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11577] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11576] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11577] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11582] <... close resumed>) = 0 [pid 11581] <... openat resumed>) = 3 [pid 11577] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11576] <... futex resumed>) = 0 [pid 11584] <... close resumed>) = 0 [pid 11582] close(4 [pid 11577] <... futex resumed>) = 1 [pid 11576] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11575] <... futex resumed>) = 0 [pid 11584] close(4 [pid 11582] <... close resumed>) = 0 [pid 11577] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11575] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11575] <... futex resumed>) = 0 [pid 11577] truncate("./file2", 0 [pid 11575] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11584] <... close resumed>) = 0 [pid 11584] mkdir("./file0", 0777 [pid 11582] mkdir("./file0", 0777 [pid 11581] chdir("./file0") = 0 [pid 11581] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11582] <... mkdir resumed>) = 0 [pid 11581] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11584] <... mkdir resumed>) = 0 [pid 11581] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11578] <... futex resumed>) = 0 [pid 11582] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11584] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11581] truncate("./file2", 0 [ 336.774409][T11584] loop3: detected capacity change from 0 to 2048 [ 336.792308][T11587] NILFS (loop0): mounting fs with errors [ 336.804180][T11577] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 336.823098][T11582] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11578] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11587] <... fsconfig resumed>) = 0 [pid 11578] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11587] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11574] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11587] <... futex resumed>) = 0 [pid 11574] exit_group(0) = ? [pid 11587] +++ exited with 0 +++ [pid 11576] <... futex resumed>) = ? [pid 11575] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11575] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11575] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11575] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11575] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11576] +++ exited with 0 +++ [pid 11574] +++ exited with 0 +++ [pid 11575] <... clone3 resumed> => {parent_tid=[11588]}, 88) = 11588 [pid 11575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11575] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11574, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 11575] <... futex resumed>) = 0 [ 336.829496][T11581] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 336.834402][T11584] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 336.845515][T11577] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 5067] umount2("./337", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11575] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./337", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 11588 attached ) = 3 [pid 11588] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 5067] newfstatat(3, "", [pid 11582] <... mount resumed>) = 0 [pid 11588] <... rseq resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11582] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] getdents64(3, [pid 11588] set_robust_list(0x7f43d31469a0, 24 [pid 11582] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11588] <... set_robust_list resumed>) = 0 [pid 11582] chdir("./file0" [pid 5067] umount2("./337/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11582] <... chdir resumed>) = 0 [pid 11578] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11578] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] newfstatat(AT_FDCWD, "./337/binderfs", [pid 11588] rt_sigprocmask(SIG_SETMASK, [], [pid 11578] <... futex resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] unlink("./337/binderfs" [pid 11588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 11588] fspick(AT_FDCWD, ".", 0 [pid 11578] <... mmap resumed>) = 0x7f43d3126000 [pid 5067] umount2("./337/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11588] <... fspick resumed>) = 4 [pid 11588] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11575] <... futex resumed>) = 0 [pid 11588] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11578] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11575] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11578] <... mprotect resumed>) = 0 [pid 11575] <... futex resumed>) = 0 [pid 11578] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11575] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11582] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11578] <... rt_sigprocmask resumed>[], 8) = 0 [ 336.886422][T11589] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 336.886461][T11581] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 336.923364][T11577] Remounting filesystem read-only [ 336.929623][T11581] Remounting filesystem read-only [pid 11578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11582] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 11590 attached [pid 11582] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11581] <... truncate resumed>) = 0 [pid 11577] <... truncate resumed>) = 0 [pid 11590] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11582] <... futex resumed>) = 1 [pid 11581] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11578] <... clone3 resumed> => {parent_tid=[11590]}, 88) = 11590 [pid 11590] <... rseq resumed>) = 0 [pid 11582] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11581] <... futex resumed>) = 0 [pid 11578] rt_sigprocmask(SIG_SETMASK, [], [pid 11590] set_robust_list(0x7f43d31469a0, 24 [pid 11584] <... mount resumed>) = 0 [pid 11581] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11577] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... umount2 resumed>) = 0 [pid 11590] <... set_robust_list resumed>) = 0 [pid 11584] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11578] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11577] <... futex resumed>) = 0 [pid 11575] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11590] rt_sigprocmask(SIG_SETMASK, [], [pid 11584] <... openat resumed>) = 3 [pid 11578] <... futex resumed>) = 0 [pid 11577] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11584] chdir("./file0" [pid 11579] <... futex resumed>) = 0 [pid 11578] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11590] fspick(AT_FDCWD, ".", 0 [pid 11584] <... chdir resumed>) = 0 [pid 11579] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11590] <... fspick resumed>) = 4 [pid 11584] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11590] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11584] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11582] <... futex resumed>) = 0 [pid 11579] <... futex resumed>) = 1 [pid 11578] <... futex resumed>) = 0 [pid 11590] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11584] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11582] truncate("./file2", 0 [pid 11579] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11578] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11581] <... futex resumed>) = 0 [pid 11578] <... futex resumed>) = 1 [pid 11588] <... fsconfig resumed>) = 0 [pid 11581] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11578] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] umount2("./337/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11588] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11575] exit_group(0) = ? [pid 11588] +++ exited with 0 +++ [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./337/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 336.934784][T11581] NILFS (loop2): error -5 truncating bmap (ino=16) [ 336.941521][T11577] NILFS (loop1): error -5 truncating bmap (ino=16) [ 336.948865][T11588] NILFS (loop1): mounting fs with errors [ 336.958040][T11591] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5067] umount2("./337/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./337/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] newfstatat(4, "", [pid 11577] <... futex resumed>) = ? [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 5067] rmdir("./337/file0") = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] close(3) = 0 [pid 5067] rmdir("./337") = 0 [pid 5067] mkdir("./338", 0777 [pid 11577] +++ exited with 0 +++ [pid 11575] +++ exited with 0 +++ [pid 11584] <... futex resumed>) = 1 [pid 11580] <... futex resumed>) = 0 [pid 11581] <... fsconfig resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 11581] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11581] <... futex resumed>) = 1 [pid 11578] <... futex resumed>) = 0 [pid 11581] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11578] exit_group(0 [pid 5067] <... openat resumed>) = 3 [pid 11590] <... futex resumed>) = ? [pid 11581] <... futex resumed>) = ? [pid 11578] <... exit_group resumed>) = ? [pid 11590] +++ exited with 0 +++ [pid 11581] +++ exited with 0 +++ [pid 11578] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11578, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11584] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11580] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11575, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 11584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11580] <... futex resumed>) = 0 [pid 5069] umount2("./337", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11584] truncate("./file2", 0 [pid 11580] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5069] openat(AT_FDCWD, "./337", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 11582] <... truncate resumed>) = 0 [pid 11582] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(3, "", [pid 5068] umount2("./334", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11579] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11579] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11579] <... futex resumed>) = 0 [pid 5069] getdents64(3, [pid 5068] openat(AT_FDCWD, "./334", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11579] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11582] <... futex resumed>) = 1 [pid 11579] <... futex resumed>) = 0 [pid 5069] umount2("./337/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 3 [pid 11582] fspick(AT_FDCWD, ".", 0) = 4 [pid 11582] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 336.978480][T11582] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 336.990531][T11581] NILFS (loop2): mounting fs with errors [ 337.002342][T11582] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 337.013088][T11582] Remounting filesystem read-only [ 337.018367][T11582] NILFS (loop4): error -5 truncating bmap (ino=16) [pid 11582] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11579] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(3, "", [pid 11582] <... futex resumed>) = 0 [pid 11579] <... futex resumed>) = 1 [pid 5069] newfstatat(AT_FDCWD, "./337/binderfs", [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11582] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11579] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] getdents64(3, [pid 5069] unlink("./337/binderfs" [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] <... unlink resumed>) = 0 [pid 5068] umount2("./334/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./334/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] umount2("./337/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] unlink("./334/binderfs") = 0 [pid 5068] umount2("./334/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11584] <... truncate resumed>) = 0 [pid 11582] <... fsconfig resumed>) = 0 [pid 11582] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11579] <... futex resumed>) = 0 [pid 11582] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11579] exit_group(0 [pid 11582] <... futex resumed>) = ? [pid 11579] <... exit_group resumed>) = ? [pid 11584] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11582] +++ exited with 0 +++ [pid 11580] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11579] +++ exited with 0 +++ [pid 5068] <... umount2 resumed>) = 0 [pid 11580] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11579, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5068] umount2("./334/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11584] <... futex resumed>) = 0 [pid 11580] <... futex resumed>) = 0 [pid 11584] fspick(AT_FDCWD, ".", 0 [pid 11580] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] umount2("./340", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./334/file0", [pid 5071] openat(AT_FDCWD, "./340", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11584] <... fspick resumed>) = 4 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] umount2("./340/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./340/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./340/binderfs") = 0 [pid 5071] umount2("./340/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = 0 [pid 5068] umount2("./334/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./337/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11584] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11584] <... futex resumed>) = 1 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./334/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11584] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11580] <... futex resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./337/file0", [pid 11580] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 4 [pid 11584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11580] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] newfstatat(4, "", [pid 11584] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11580] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] umount2("./337/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 337.029231][T11584] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 337.040843][T11584] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 337.045843][T11582] NILFS (loop4): mounting fs with errors [ 337.053109][T11584] Remounting filesystem read-only [ 337.063335][T11584] NILFS (loop3): error -5 truncating bmap (ino=16) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(4, [pid 5069] openat(AT_FDCWD, "./337/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11584] <... fsconfig resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] <... openat resumed>) = 4 [pid 5068] getdents64(4, [pid 11584] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(4, "", [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11584] <... futex resumed>) = 1 [pid 11580] <... futex resumed>) = 0 [pid 5068] close(4 [pid 5067] <... ioctl resumed>) = 0 [pid 11584] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... close resumed>) = 0 [pid 11580] exit_group(0 [pid 5069] getdents64(4, [pid 5068] rmdir("./334/file0" [pid 5067] close(3 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] close(3 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11592 [pid 11584] <... futex resumed>) = ? [pid 11580] <... exit_group resumed>) = ? [pid 5069] getdents64(4, [pid 5068] <... close resumed>) = 0 [pid 11584] +++ exited with 0 +++ [pid 5068] rmdir("./334" [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 11592 attached [pid 11580] +++ exited with 0 +++ [pid 5069] close(4 [pid 5068] <... rmdir resumed>) = 0 [pid 11592] set_robust_list(0x555589d386a0, 24 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11580, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./337/file0") = 0 [pid 5070] umount2("./337", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11592] <... set_robust_list resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] mkdir("./335", 0777 [pid 11592] chdir("./338" [pid 5070] openat(AT_FDCWD, "./337", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] getdents64(3, [pid 5068] <... mkdir resumed>) = 0 [pid 11592] <... chdir resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] getdents64(3, [pid 5069] close(3 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11592] <... prctl resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] <... close resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 11592] setpgid(0, 0 [pid 5070] umount2("./337/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] rmdir("./337" [pid 11592] <... setpgid resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... rmdir resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 11592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] newfstatat(AT_FDCWD, "./337/binderfs", [pid 11592] <... openat resumed>) = 3 [pid 5071] umount2("./340/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] unlink("./337/binderfs" [pid 5069] mkdir("./338", 0777 [pid 11592] write(3, "1000", 4 [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 11592] <... write resumed>) = 4 [pid 5070] umount2("./337/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11592] close(3) = 0 [pid 11592] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11592] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] newfstatat(AT_FDCWD, "./340/file0", [pid 5070] <... umount2 resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] umount2("./340/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./340/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11592] <... futex resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5071] <... openat resumed>) = 4 [pid 5070] umount2("./337/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11592] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5071] getdents64(4, [pid 11592] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5071] getdents64(4, [ 337.093411][T11584] NILFS (loop3): mounting fs with errors [pid 5070] newfstatat(AT_FDCWD, "./337/file0", [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] close(4 [pid 5070] umount2("./337/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] rmdir("./340/file0" [pid 5070] openat(AT_FDCWD, "./337/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... openat resumed>) = 4 [pid 11592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] newfstatat(4, "", [pid 11592] <... mmap resumed>) = 0x7f43d3147000 [pid 5071] <... rmdir resumed>) = 0 [pid 11592] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5071] getdents64(3, [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11592] <... mprotect resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] getdents64(4, [pid 11592] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] close(3 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11592] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] getdents64(4, [pid 11592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] rmdir("./340" [pid 5070] close(4./strace-static-x86_64: Process 11593 attached [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 11593] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11592] <... clone3 resumed> => {parent_tid=[11593]}, 88) = 11593 [pid 5071] mkdir("./341", 0777 [pid 5070] rmdir("./337/file0" [pid 5071] <... mkdir resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 11593] <... rseq resumed>) = 0 [pid 11592] rt_sigprocmask(SIG_SETMASK, [], [pid 11593] set_robust_list(0x7f43d31679a0, 24 [pid 11592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11593] <... set_robust_list resumed>) = 0 [pid 11592] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11593] rt_sigprocmask(SIG_SETMASK, [], [pid 11592] <... futex resumed>) = 0 [pid 11593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11593] memfd_create("syzkaller", 0 [pid 11592] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11593] <... memfd_create resumed>) = 3 [pid 5070] getdents64(3, [pid 11593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11593] <... mmap resumed>) = 0x7f43cac00000 [pid 5070] close(3) = 0 [pid 5070] rmdir("./337") = 0 [pid 5070] mkdir("./338", 0777 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] <... mkdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5071] <... openat resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5068] close(3) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555589d38690) = 11594 ./strace-static-x86_64: Process 11594 attached [pid 11593] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11594] set_robust_list(0x555589d386a0, 24) = 0 [pid 11594] chdir("./335") = 0 [pid 11594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11593] <... write resumed>) = 1048576 [pid 11594] setpgid(0, 0) = 0 [pid 11593] munmap(0x7f43cac00000, 138412032 [pid 11594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11594] write(3, "1000", 4 [pid 11593] <... munmap resumed>) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 11594] <... write resumed>) = 4 [pid 11594] close(3 [pid 11593] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5069] close(3 [pid 11594] <... close resumed>) = 0 [pid 11593] <... openat resumed>) = 4 [pid 5071] <... ioctl resumed>) = 0 [pid 5070] close(3 [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... close resumed>) = 0 ./strace-static-x86_64: Process 11595 attached [pid 11594] symlink("/dev/binderfs", "./binderfs" [pid 11593] ioctl(4, LOOP_SET_FD, 3 [pid 5071] close(3 [pid 11595] set_robust_list(0x555589d386a0, 24 [pid 5071] <... close resumed>) = 0 [pid 11595] <... set_robust_list resumed>) = 0 [pid 11595] chdir("./338" [pid 11594] <... symlink resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11597 attached [pid 11595] <... chdir resumed>) = 0 [pid 11594] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11593] <... ioctl resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11595 [pid 11597] set_robust_list(0x555589d386a0, 24 [pid 11595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11597] <... set_robust_list resumed>) = 0 [pid 11595] <... prctl resumed>) = 0 [pid 11594] <... futex resumed>) = 0 [pid 11593] close(3 [pid 11597] chdir("./341" [pid 11595] setpgid(0, 0 [pid 11594] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11593] <... close resumed>) = 0 [pid 11597] <... chdir resumed>) = 0 [pid 11595] <... setpgid resumed>) = 0 [pid 11594] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11593] close(4 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11597 ./strace-static-x86_64: Process 11596 attached [pid 11597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11594] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11593] <... close resumed>) = 0 [pid 11596] set_robust_list(0x555589d386a0, 24 [pid 11597] <... prctl resumed>) = 0 [pid 11595] <... openat resumed>) = 3 [pid 11594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11593] mkdir("./file0", 0777 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11596 [pid 11596] <... set_robust_list resumed>) = 0 [pid 11597] setpgid(0, 0 [pid 11595] write(3, "1000", 4 [pid 11594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11596] chdir("./338" [pid 11597] <... setpgid resumed>) = 0 [pid 11595] <... write resumed>) = 4 [pid 11594] <... mmap resumed>) = 0x7f43d3147000 [pid 11593] <... mkdir resumed>) = 0 [pid 11596] <... chdir resumed>) = 0 [pid 11596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11596] setpgid(0, 0) = 0 [pid 11596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11595] close(3 [pid 11594] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11596] <... openat resumed>) = 3 [pid 11596] write(3, "1000", 4 [pid 11595] <... close resumed>) = 0 [pid 11594] <... mprotect resumed>) = 0 [pid 11593] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11596] <... write resumed>) = 4 [pid 11595] symlink("/dev/binderfs", "./binderfs" [ 337.251489][T11593] loop0: detected capacity change from 0 to 2048 [pid 11594] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11596] close(3 [pid 11595] <... symlink resumed>) = 0 [pid 11594] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11595] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11597] <... openat resumed>) = 3 [pid 11595] <... futex resumed>) = 0 [pid 11595] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11594] <... clone3 resumed> => {parent_tid=[11598]}, 88) = 11598 [pid 11597] write(3, "1000", 4 [pid 11595] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11594] rt_sigprocmask(SIG_SETMASK, [], [pid 11597] <... write resumed>) = 4 [pid 11595] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11597] close(3 [pid 11595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11597] <... close resumed>) = 0 [pid 11595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11594] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11597] symlink("/dev/binderfs", "./binderfs" [pid 11595] <... mmap resumed>) = 0x7f43d3147000 [pid 11594] <... futex resumed>) = 0 [pid 11595] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11594] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11597] <... symlink resumed>) = 0 [pid 11595] <... mprotect resumed>) = 0 [pid 11596] <... close resumed>) = 0 [pid 11595] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 11598 attached [pid 11596] symlink("/dev/binderfs", "./binderfs" [pid 11597] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11595] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11598] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11597] <... futex resumed>) = 0 [pid 11595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11599 attached [pid 11598] <... rseq resumed>) = 0 [pid 11596] <... symlink resumed>) = 0 [pid 11597] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11599] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11598] set_robust_list(0x7f43d31679a0, 24 [pid 11596] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11597] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11599] <... rseq resumed>) = 0 [pid 11598] <... set_robust_list resumed>) = 0 [pid 11596] <... futex resumed>) = 0 [pid 11597] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11599] set_robust_list(0x7f43d31679a0, 24 [pid 11598] rt_sigprocmask(SIG_SETMASK, [], [pid 11596] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11599] <... set_robust_list resumed>) = 0 [pid 11598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11596] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11595] <... clone3 resumed> => {parent_tid=[11599]}, 88) = 11599 [pid 11597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11599] rt_sigprocmask(SIG_SETMASK, [], [pid 11598] memfd_create("syzkaller", 0 [pid 11596] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11595] rt_sigprocmask(SIG_SETMASK, [], [pid 11599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11598] <... memfd_create resumed>) = 3 [pid 11596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11597] <... mmap resumed>) = 0x7f43d3147000 [pid 11595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11599] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11598] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11598] <... mmap resumed>) = 0x7f43cac00000 [pid 11596] <... mmap resumed>) = 0x7f43d3147000 [pid 11598] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11596] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11595] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11597] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11599] <... futex resumed>) = 0 [pid 11597] <... mprotect resumed>) = 0 [pid 11595] <... futex resumed>) = 1 [pid 11599] memfd_create("syzkaller", 0 [pid 11597] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11595] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11593] <... mount resumed>) = 0 [pid 11599] <... memfd_create resumed>) = 3 [pid 11596] <... mprotect resumed>) = 0 [pid 11597] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11593] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11599] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11596] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11593] <... openat resumed>) = 3 [pid 11599] <... mmap resumed>) = 0x7f43cac00000 [pid 11593] chdir("./file0"./strace-static-x86_64: Process 11601 attached ) = 0 [pid 11601] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11596] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11597] <... clone3 resumed> => {parent_tid=[11601]}, 88) = 11601 [pid 11593] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11601] <... rseq resumed>) = 0 [pid 11598] <... write resumed>) = 1048576 [pid 11596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11597] rt_sigprocmask(SIG_SETMASK, [], [pid 11601] set_robust_list(0x7f43d31679a0, 24 [pid 11598] munmap(0x7f43cac00000, 138412032 [pid 11597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11593] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11601] <... set_robust_list resumed>) = 0 [pid 11597] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11593] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11601] rt_sigprocmask(SIG_SETMASK, [], [pid 11598] <... munmap resumed>) = 0 [pid 11597] <... futex resumed>) = 0 [pid 11593] <... futex resumed>) = 1 [pid 11592] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11602 attached [pid 11601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11597] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11593] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11592] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11602] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11601] memfd_create("syzkaller", 0 [pid 11598] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11596] <... clone3 resumed> => {parent_tid=[11602]}, 88) = 11602 [pid 11593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11592] <... futex resumed>) = 0 [pid 11602] <... rseq resumed>) = 0 [pid 11601] <... memfd_create resumed>) = 3 [pid 11598] <... openat resumed>) = 4 [pid 11592] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 337.295754][T11593] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 337.325633][T11600] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11602] set_robust_list(0x7f43d31679a0, 24 [pid 11601] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11598] ioctl(4, LOOP_SET_FD, 3 [pid 11596] rt_sigprocmask(SIG_SETMASK, [], [pid 11593] truncate("./file2", 0 [pid 11602] <... set_robust_list resumed>) = 0 [pid 11601] <... mmap resumed>) = 0x7f43cac00000 [pid 11599] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11598] <... ioctl resumed>) = 0 [pid 11596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11602] rt_sigprocmask(SIG_SETMASK, [], [pid 11601] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11602] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11596] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11602] <... futex resumed>) = 0 [pid 11602] memfd_create("syzkaller", 0 [pid 11596] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11602] <... memfd_create resumed>) = 3 [pid 11602] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11598] close(3) = 0 [pid 11598] close(4) = 0 [pid 11598] mkdir("./file0", 0777) = 0 [ 337.361866][T11598] loop1: detected capacity change from 0 to 2048 [ 337.363698][T11593] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11598] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11602] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11601] <... write resumed>) = 1048576 [pid 11599] <... write resumed>) = 1048576 [pid 11592] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11592] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11599] munmap(0x7f43cac00000, 138412032 [pid 11592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11601] munmap(0x7f43cac00000, 138412032) = 0 [ 337.403786][T11598] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 337.417741][T11593] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 337.435225][T11603] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 337.446884][T11593] Remounting filesystem read-only [pid 11601] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11602] <... write resumed>) = 1048576 [pid 11601] <... openat resumed>) = 4 [pid 11599] <... munmap resumed>) = 0 [pid 11598] <... mount resumed>) = 0 [pid 11592] <... mmap resumed>) = 0x7f43d3126000 [pid 11598] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11592] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11601] ioctl(4, LOOP_SET_FD, 3 [pid 11592] <... mprotect resumed>) = 0 [pid 11602] munmap(0x7f43cac00000, 138412032 [pid 11599] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11598] <... openat resumed>) = 3 [pid 11593] <... truncate resumed>) = 0 [pid 11592] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11602] <... munmap resumed>) = 0 [pid 11601] <... ioctl resumed>) = 0 [pid 11599] <... openat resumed>) = 4 [pid 11598] chdir("./file0" [pid 11593] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11592] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11601] close(3 [pid 11599] ioctl(4, LOOP_SET_FD, 3 [pid 11598] <... chdir resumed>) = 0 [pid 11592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11602] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11601] <... close resumed>) = 0 [pid 11598] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11593] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11604 attached [pid 11602] <... openat resumed>) = 4 [pid 11601] close(4 [pid 11593] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11604] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11601] <... close resumed>) = 0 [pid 11604] <... rseq resumed>) = 0 [pid 11602] ioctl(4, LOOP_SET_FD, 3 [pid 11604] set_robust_list(0x7f43d31469a0, 24 [pid 11601] mkdir("./file0", 0777 [pid 11592] <... clone3 resumed> => {parent_tid=[11604]}, 88) = 11604 [pid 11598] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11592] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11604] <... set_robust_list resumed>) = 0 [pid 11601] <... mkdir resumed>) = 0 [pid 11592] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11598] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11604] fspick(AT_FDCWD, ".", 0) = 4 [pid 11598] <... futex resumed>) = 1 [pid 11604] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11601] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11604] <... futex resumed>) = 1 [pid 11602] <... ioctl resumed>) = 0 [pid 11598] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11594] <... futex resumed>) = 0 [pid 11592] <... futex resumed>) = 0 [pid 11604] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11602] close(3 [ 337.453873][T11593] NILFS (loop0): error -5 truncating bmap (ino=16) [ 337.463375][T11601] loop4: detected capacity change from 0 to 2048 [ 337.473641][T11599] loop2: detected capacity change from 0 to 2048 [ 337.477229][T11602] loop3: detected capacity change from 0 to 2048 [pid 11594] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11592] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11602] <... close resumed>) = 0 [pid 11599] <... ioctl resumed>) = 0 [pid 11598] <... futex resumed>) = 0 [pid 11594] <... futex resumed>) = 1 [pid 11592] <... futex resumed>) = 1 [pid 11592] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11598] truncate("./file2", 0 [pid 11602] close(4 [pid 11594] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11602] <... close resumed>) = 0 [pid 11602] mkdir("./file0", 0777) = 0 [pid 11602] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11593] <... futex resumed>) = 0 [pid 11593] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11599] close(3) = 0 [pid 11599] close(4 [pid 11593] <... fsconfig resumed>) = 0 [pid 11593] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11593] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11599] <... close resumed>) = 0 [pid 11592] <... futex resumed>) = 0 [pid 11592] exit_group(0 [pid 11604] <... futex resumed>) = ? [pid 11599] mkdir("./file0", 0777 [pid 11594] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11593] <... futex resumed>) = ? [pid 11592] <... exit_group resumed>) = ? [pid 11604] +++ exited with 0 +++ [pid 11594] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11593] +++ exited with 0 +++ [pid 11594] <... futex resumed>) = 0 [pid 11594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11594] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11599] <... mkdir resumed>) = 0 [pid 11594] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11592] +++ exited with 0 +++ [pid 11599] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11592, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [ 337.497830][T11601] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 337.511896][T11598] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 337.515148][T11593] NILFS (loop0): mounting fs with errors [ 337.528971][T11602] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 337.539075][T11598] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 5067] umount2("./338", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 11594] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[11606]}, 88) = 11606 [pid 5067] openat(AT_FDCWD, "./338", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11594] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... openat resumed>) = 3 [pid 11594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] newfstatat(3, "", [pid 11594] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11594] <... futex resumed>) = 0 [pid 5067] getdents64(3, [pid 11594] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./338/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 11606 attached ) = -1 EINVAL (Invalid argument) [pid 11606] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 5067] newfstatat(AT_FDCWD, "./338/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./338/binderfs") = 0 [pid 5067] umount2("./338/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11606] <... rseq resumed>) = 0 [pid 11606] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11606] fspick(AT_FDCWD, ".", 0) = 4 [pid 11606] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11594] <... futex resumed>) = 0 [pid 11606] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11594] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11594] <... futex resumed>) = 0 [pid 11606] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11594] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11601] <... mount resumed>) = 0 [ 337.576160][T11605] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 337.582023][T11599] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 337.602089][T11598] Remounting filesystem read-only [pid 11601] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] <... umount2 resumed>) = 0 [pid 5067] umount2("./338/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11601] <... openat resumed>) = 3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./338/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./338/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./338/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, [pid 11602] <... mount resumed>) = 0 [pid 11601] chdir("./file0" [pid 11599] <... mount resumed>) = 0 [pid 11598] <... truncate resumed>) = 0 [pid 11594] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11602] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11601] <... chdir resumed>) = 0 [pid 11599] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11598] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] close(4 [pid 11602] <... openat resumed>) = 3 [pid 11601] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11599] <... openat resumed>) = 3 [pid 11598] <... futex resumed>) = 0 [pid 11602] chdir("./file0" [pid 11601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11599] chdir("./file0" [pid 11598] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] <... close resumed>) = 0 [pid 11602] <... chdir resumed>) = 0 [pid 11601] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11599] <... chdir resumed>) = 0 [pid 11602] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11601] <... futex resumed>) = 1 [pid 11599] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] rmdir("./338/file0" [pid 11602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11601] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11599] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11597] <... futex resumed>) = 0 [pid 11602] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11596] <... futex resumed>) = 0 [pid 11602] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11596] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... rmdir resumed>) = 0 [pid 11606] <... fsconfig resumed>) = 0 [pid 11602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11599] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11596] <... futex resumed>) = 0 [pid 11597] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] getdents64(3, [pid 11606] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11602] truncate("./file2", 0 [pid 11601] <... futex resumed>) = 0 [pid 11599] <... futex resumed>) = 1 [pid 11596] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11597] <... futex resumed>) = 1 [pid 11595] <... futex resumed>) = 0 [pid 11594] exit_group(0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [ 337.625767][T11607] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 337.639418][T11608] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 337.651813][T11598] NILFS (loop1): error -5 truncating bmap (ino=16) [ 337.659096][T11606] NILFS (loop1): mounting fs with errors [pid 11606] <... futex resumed>) = ? [pid 11601] truncate("./file2", 0 [pid 11599] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11597] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11595] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11594] <... exit_group resumed>) = ? [pid 5067] close(3 [pid 11606] +++ exited with 0 +++ [pid 11598] <... futex resumed>) = ? [pid 11595] <... futex resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 11599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11595] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] rmdir("./338" [pid 11599] truncate("./file2", 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5067] mkdir("./339", 0777 [pid 11598] +++ exited with 0 +++ [pid 11594] +++ exited with 0 +++ [pid 5067] <... mkdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 337.674718][T11602] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 337.677704][T11601] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 337.685757][T11602] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 337.704157][T11599] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 337.708767][T11601] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11596] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11596] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11594, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 11596] <... futex resumed>) = 0 [pid 11596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 11596] <... mmap resumed>) = 0x7f43d3126000 [pid 5068] <... restart_syscall resumed>) = 0 [pid 11596] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11596] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11595] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] umount2("./335", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11595] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11595] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11595] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5067] <... ioctl resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11595] <... clone3 resumed> => {parent_tid=[11609]}, 88) = 11609 [pid 11596] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11595] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] openat(AT_FDCWD, "./335", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11602] <... truncate resumed>) = 0 [pid 11601] <... truncate resumed>) = 0 [pid 11599] <... truncate resumed>) = 0 [pid 11596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11609 attached [pid 11602] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11601] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] close(3./strace-static-x86_64: Process 11610 attached [pid 11609] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11602] <... futex resumed>) = 0 [pid 11601] <... futex resumed>) = 0 [pid 11599] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11597] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11595] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(3, "", [pid 5067] <... close resumed>) = 0 [pid 11610] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11609] <... rseq resumed>) = 0 [pid 11602] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11601] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11596] <... clone3 resumed> => {parent_tid=[11610]}, 88) = 11610 [pid 11597] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11595] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11610] <... rseq resumed>) = 0 [pid 11609] set_robust_list(0x7f43d31469a0, 24 [pid 11601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11599] <... futex resumed>) = 0 [pid 11596] rt_sigprocmask(SIG_SETMASK, [], [pid 11597] <... futex resumed>) = 0 [pid 11595] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(3, ./strace-static-x86_64: Process 11611 attached [pid 11610] set_robust_list(0x7f43d31469a0, 24 [pid 11609] <... set_robust_list resumed>) = 0 [pid 11601] fspick(AT_FDCWD, ".", 0 [pid 11599] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11597] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11611] set_robust_list(0x555589d386a0, 24 [pid 11610] <... set_robust_list resumed>) = 0 [pid 11609] rt_sigprocmask(SIG_SETMASK, [], [pid 11601] <... fspick resumed>) = 4 [pid 11596] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./335/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11611 [pid 11611] <... set_robust_list resumed>) = 0 [pid 11610] rt_sigprocmask(SIG_SETMASK, [], [pid 11609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11601] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11596] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11611] chdir("./339" [pid 11610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11609] fspick(AT_FDCWD, ".", 0 [pid 11601] <... futex resumed>) = 1 [pid 11596] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11597] <... futex resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./335/binderfs", [pid 11611] <... chdir resumed>) = 0 [pid 11610] fspick(AT_FDCWD, ".", 0 [pid 11609] <... fspick resumed>) = 4 [pid 11601] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11597] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11610] <... fspick resumed>) = 4 [pid 11609] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11597] <... futex resumed>) = 0 [ 337.719087][T11599] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 337.736005][T11602] Remounting filesystem read-only [ 337.740679][T11599] Remounting filesystem read-only [ 337.742529][T11602] NILFS (loop3): error -5 truncating bmap (ino=16) [ 337.747558][T11599] NILFS (loop2): error -5 truncating bmap (ino=16) [ 337.754538][T11601] Remounting filesystem read-only [ 337.765233][T11601] NILFS (loop4): error -5 truncating bmap (ino=16) [pid 5068] unlink("./335/binderfs" [pid 11611] <... prctl resumed>) = 0 [pid 11610] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11609] <... futex resumed>) = 1 [pid 11601] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11597] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11595] <... futex resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 11611] setpgid(0, 0 [pid 11610] <... futex resumed>) = 1 [pid 11609] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11596] <... futex resumed>) = 0 [pid 11595] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11610] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11596] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11595] <... futex resumed>) = 1 [pid 11596] <... futex resumed>) = 1 [pid 11595] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11596] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./335/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11611] <... setpgid resumed>) = 0 [pid 11602] <... futex resumed>) = 0 [pid 11599] <... futex resumed>) = 0 [pid 11602] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11599] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11601] <... fsconfig resumed>) = 0 [pid 11611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11602] <... fsconfig resumed>) = 0 [pid 11599] <... fsconfig resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 11602] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11601] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11596] <... futex resumed>) = 0 [pid 11599] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./335/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11602] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11599] <... futex resumed>) = 1 [pid 11596] exit_group(0 [pid 11595] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11610] <... futex resumed>) = ? [pid 11602] <... futex resumed>) = ? [pid 11599] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11596] <... exit_group resumed>) = ? [pid 11595] exit_group(0 [pid 11601] <... futex resumed>) = 1 [pid 11597] <... futex resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./335/file0", [pid 11610] +++ exited with 0 +++ [pid 11602] +++ exited with 0 +++ [pid 11597] exit_group(0) = ? [pid 11609] <... futex resumed>) = ? [pid 11599] <... futex resumed>) = ? [pid 11595] <... exit_group resumed>) = ? [pid 11611] <... openat resumed>) = 3 [pid 11609] +++ exited with 0 +++ [pid 11599] +++ exited with 0 +++ [pid 11596] +++ exited with 0 +++ [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11611] write(3, "1000", 4 [pid 11595] +++ exited with 0 +++ [pid 5068] umount2("./335/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11611] <... write resumed>) = 4 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11596, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11595, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11611] close(3 [pid 5070] umount2("./338", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11611] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./335/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11611] symlink("/dev/binderfs", "./binderfs" [pid 5070] openat(AT_FDCWD, "./338", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... openat resumed>) = 4 [pid 11611] <... symlink resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5070] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] newfstatat(4, "", [pid 11611] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11601] +++ exited with 0 +++ [pid 11597] +++ exited with 0 +++ [pid 5070] getdents64(3, [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11611] <... futex resumed>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11597, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./338", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(4, [pid 11611] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5070] umount2("./338/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11611] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5071] <... restart_syscall resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./338", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] getdents64(4, [pid 11611] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5070] newfstatat(AT_FDCWD, "./338/binderfs", [pid 11611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] umount2("./341", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(3, "", [pid 5068] close(4 [pid 11611] <... mmap resumed>) = 0x7f43d3147000 [pid 5071] openat(AT_FDCWD, "./341", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] unlink("./338/binderfs" [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5069] getdents64(3, [pid 5068] <... close resumed>) = 0 [pid 11611] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5071] newfstatat(3, "", [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] rmdir("./335/file0" [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] umount2("./338/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./338/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11611] <... mprotect resumed>) = 0 [pid 5071] getdents64(3, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./338/binderfs", [pid 5068] <... rmdir resumed>) = 0 [pid 11611] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./338/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11611] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] umount2("./341/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] unlink("./338/binderfs" [ 337.809735][T11601] NILFS (loop4): mounting fs with errors [ 337.817919][T11599] NILFS (loop2): mounting fs with errors [ 337.824146][T11602] NILFS (loop3): mounting fs with errors [pid 5068] getdents64(3, [pid 11611] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... unlink resumed>) = 0 [pid 5071] newfstatat(AT_FDCWD, "./341/binderfs", [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] umount2("./338/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] newfstatat(AT_FDCWD, "./338/file0", [pid 5068] close(3./strace-static-x86_64: Process 11612 attached [pid 11611] <... clone3 resumed> => {parent_tid=[11612]}, 88) = 11612 [pid 5071] unlink("./341/binderfs" [pid 5068] <... close resumed>) = 0 [pid 11612] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 5071] <... unlink resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] rmdir("./335" [pid 11612] <... rseq resumed>) = 0 [pid 11611] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] umount2("./341/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... rmdir resumed>) = 0 [pid 11612] set_robust_list(0x7f43d31679a0, 24 [pid 11611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] umount2("./338/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] mkdir("./336", 0777 [pid 11612] <... set_robust_list resumed>) = 0 [pid 11611] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... mkdir resumed>) = 0 [pid 11612] rt_sigprocmask(SIG_SETMASK, [], [pid 11611] <... futex resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./338/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11611] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5070] <... openat resumed>) = 4 [pid 11612] memfd_create("syzkaller", 0 [pid 5070] newfstatat(4, "", [pid 11612] <... memfd_create resumed>) = 3 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11612] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] getdents64(4, [pid 11612] <... mmap resumed>) = 0x7f43cac00000 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] <... openat resumed>) = 3 [pid 5070] getdents64(4, [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11612] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5071] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5071] umount2("./341/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(4 [pid 5069] umount2("./338/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = 0 [pid 5071] newfstatat(AT_FDCWD, "./341/file0", [pid 5070] rmdir("./338/file0" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] newfstatat(AT_FDCWD, "./338/file0", [pid 5071] umount2("./341/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./341/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] umount2("./338/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(4, "", [pid 5070] getdents64(3, [pid 5069] openat(AT_FDCWD, "./338/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5071] getdents64(4, [pid 11612] <... write resumed>) = 1048576 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] close(3 [pid 5069] newfstatat(4, "", [pid 11612] munmap(0x7f43cac00000, 138412032) = 0 [pid 5071] getdents64(4, [pid 5070] <... close resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11612] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5069] getdents64(4, [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] rmdir("./338" [pid 5068] <... ioctl resumed>) = 0 [pid 5071] close(4 [pid 11612] <... openat resumed>) = 4 [pid 5068] close(3 [pid 11612] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... close resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] <... close resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] rmdir("./341/file0" [pid 5070] mkdir("./339", 0777 [pid 5069] getdents64(4, [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11613 ./strace-static-x86_64: Process 11613 attached [pid 11612] <... ioctl resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11613] set_robust_list(0x555589d386a0, 24 [pid 11612] close(3 [pid 5071] getdents64(3, [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] close(4 [pid 11613] <... set_robust_list resumed>) = 0 [pid 11612] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 11613] chdir("./336" [pid 11612] close(4 [pid 5071] close(3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] rmdir("./338/file0" [pid 11613] <... chdir resumed>) = 0 [pid 11612] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 11613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11612] mkdir("./file0", 0777 [pid 5069] <... rmdir resumed>) = 0 [pid 11612] <... mkdir resumed>) = 0 [pid 5071] rmdir("./341" [pid 5069] getdents64(3, [pid 11613] <... prctl resumed>) = 0 [pid 11613] setpgid(0, 0 [pid 5071] <... rmdir resumed>) = 0 [pid 11613] <... setpgid resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11612] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5071] mkdir("./342", 0777 [pid 5069] close(3 [pid 11613] <... openat resumed>) = 3 [pid 5071] <... mkdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 11613] write(3, "1000", 4) = 4 [pid 11613] close(3 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] rmdir("./338" [pid 5071] <... openat resumed>) = 3 [pid 11613] <... close resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] <... rmdir resumed>) = 0 [pid 11613] symlink("/dev/binderfs", "./binderfs" [pid 5069] mkdir("./339", 0777 [pid 11613] <... symlink resumed>) = 0 [ 337.928491][T11612] loop0: detected capacity change from 0 to 2048 [ 337.963457][T11612] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11613] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11613] <... futex resumed>) = 0 [pid 11613] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11612] <... mount resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 11613] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11612] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... ioctl resumed>) = 0 [pid 11612] <... openat resumed>) = 3 [pid 11612] chdir("./file0" [pid 11613] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11612] <... chdir resumed>) = 0 [pid 11613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11612] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11612] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11613] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11612] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11611] <... futex resumed>) = 0 [pid 11613] <... mprotect resumed>) = 0 [pid 11612] truncate("./file2", 0 [pid 11611] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11613] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11611] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11613] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5070] close(3 [pid 11613] <... clone3 resumed> => {parent_tid=[11615]}, 88) = 11615 ./strace-static-x86_64: Process 11615 attached [pid 11613] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] <... close resumed>) = 0 [pid 11615] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11615] <... rseq resumed>) = 0 [pid 11613] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11615] set_robust_list(0x7f43d31679a0, 24 [pid 11613] <... futex resumed>) = 0 [pid 11613] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11615] <... set_robust_list resumed>) = 0 [pid 11615] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11616 [ 337.985610][T11614] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 338.012152][T11612] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11615] memfd_create("syzkaller", 0./strace-static-x86_64: Process 11616 attached [pid 5071] <... ioctl resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 11616] set_robust_list(0x555589d386a0, 24) = 0 [pid 11616] chdir("./339") = 0 [pid 11616] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11615] <... memfd_create resumed>) = 3 [pid 5071] close(3 [pid 11616] <... prctl resumed>) = 0 [pid 11616] setpgid(0, 0 [pid 11615] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... close resumed>) = 0 [pid 5069] close(3 [pid 11616] <... setpgid resumed>) = 0 [pid 11616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11615] <... mmap resumed>) = 0x7f43cac00000 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... close resumed>) = 0 [pid 11616] <... openat resumed>) = 3 [pid 11616] write(3, "1000", 4) = 4 [pid 11616] close(3) = 0 [pid 11616] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 11617 attached ) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11616] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11616] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11616] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11611] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11617] set_robust_list(0x555589d386a0, 24 [pid 11611] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11617] <... set_robust_list resumed>) = 0 [pid 11611] <... futex resumed>) = 0 [pid 11616] <... mmap resumed>) = 0x7f43d3147000 [pid 11611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11616] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11617] chdir("./342" [pid 11616] <... mprotect resumed>) = 0 [pid 11611] <... mmap resumed>) = 0x7f43d3126000 [pid 11617] <... chdir resumed>) = 0 [pid 11616] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11611] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11617 [pid 11617] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11616] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11611] <... mprotect resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11618 ./strace-static-x86_64: Process 11618 attached [pid 11616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11618] set_robust_list(0x555589d386a0, 24 [pid 11611] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11617] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 11619 attached [pid 11618] <... set_robust_list resumed>) = 0 [pid 11616] <... clone3 resumed> => {parent_tid=[11619]}, 88) = 11619 [pid 11617] setpgid(0, 0 [pid 11616] rt_sigprocmask(SIG_SETMASK, [], [pid 11617] <... setpgid resumed>) = 0 [pid 11618] chdir("./339" [pid 11616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11618] <... chdir resumed>) = 0 [pid 11617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11616] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11618] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11616] <... futex resumed>) = 0 [pid 11611] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11618] <... prctl resumed>) = 0 [ 338.042147][T11612] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11616] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11611] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11619] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11618] setpgid(0, 0 [pid 11617] <... openat resumed>) = 3 [pid 11619] <... rseq resumed>) = 0 [pid 11618] <... setpgid resumed>) = 0 [pid 11619] set_robust_list(0x7f43d31679a0, 24 [pid 11618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 11620 attached [pid 11619] <... set_robust_list resumed>) = 0 [pid 11618] <... openat resumed>) = 3 [pid 11617] write(3, "1000", 4 [pid 11611] <... clone3 resumed> => {parent_tid=[11620]}, 88) = 11620 [pid 11620] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11619] rt_sigprocmask(SIG_SETMASK, [], [pid 11618] write(3, "1000", 4 [pid 11617] <... write resumed>) = 4 [pid 11611] rt_sigprocmask(SIG_SETMASK, [], [pid 11620] <... rseq resumed>) = 0 [pid 11619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11617] close(3 [pid 11611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11618] <... write resumed>) = 4 [pid 11620] set_robust_list(0x7f43d31469a0, 24 [pid 11619] memfd_create("syzkaller", 0 [pid 11618] close(3 [pid 11617] <... close resumed>) = 0 [pid 11611] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11620] <... set_robust_list resumed>) = 0 [pid 11619] <... memfd_create resumed>) = 3 [pid 11618] <... close resumed>) = 0 [pid 11617] symlink("/dev/binderfs", "./binderfs" [pid 11611] <... futex resumed>) = 0 [pid 11620] rt_sigprocmask(SIG_SETMASK, [], [pid 11619] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11618] symlink("/dev/binderfs", "./binderfs" [pid 11620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11619] <... mmap resumed>) = 0x7f43cac00000 [pid 11617] <... symlink resumed>) = 0 [pid 11615] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11611] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11620] fspick(AT_FDCWD, ".", 0 [pid 11619] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11618] <... symlink resumed>) = 0 [pid 11617] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11615] <... write resumed>) = 1048576 [pid 11612] <... truncate resumed>) = 0 [pid 11620] <... fspick resumed>) = 4 [pid 11617] <... futex resumed>) = 0 [pid 11612] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11618] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11612] <... futex resumed>) = 0 [pid 11617] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11620] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11615] munmap(0x7f43cac00000, 138412032 [pid 11620] <... futex resumed>) = 1 [pid 11617] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11612] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11618] <... futex resumed>) = 0 [pid 11618] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11618] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11615] <... munmap resumed>) = 0 [pid 11620] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11617] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11611] <... futex resumed>) = 0 [pid 11618] <... mmap resumed>) = 0x7f43d3147000 [pid 11617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11611] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11618] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11611] <... futex resumed>) = 1 [pid 11612] <... futex resumed>) = 0 [pid 11611] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11618] <... mprotect resumed>) = 0 [ 338.087036][T11612] Remounting filesystem read-only [ 338.102189][T11612] NILFS (loop0): error -5 truncating bmap (ino=16) [pid 11617] <... mmap resumed>) = 0x7f43d3147000 [pid 11612] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11618] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11617] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11618] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} => {parent_tid=[11621]}, 88) = 11621 [pid 11618] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11618] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11621 attached ) = 0 [pid 11621] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11618] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11621] <... rseq resumed>) = 0 [pid 11621] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11617] <... mprotect resumed>) = 0 [pid 11621] memfd_create("syzkaller", 0 [pid 11617] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11615] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11621] <... memfd_create resumed>) = 3 [pid 11615] <... openat resumed>) = 4 [pid 11617] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11615] ioctl(4, LOOP_SET_FD, 3 [pid 11621] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11615] <... ioctl resumed>) = 0 [pid 11612] <... fsconfig resumed>) = 0 [pid 11612] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11617] <... clone3 resumed> => {parent_tid=[11622]}, 88) = 11622 [pid 11615] close(3 [pid 11612] <... futex resumed>) = 1 [pid 11611] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11622 attached [pid 11617] rt_sigprocmask(SIG_SETMASK, [], [pid 11615] <... close resumed>) = 0 [pid 11612] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11611] exit_group(0 [pid 11622] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11620] <... futex resumed>) = ? [pid 11617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11615] close(4 [pid 11612] <... futex resumed>) = ? [pid 11611] <... exit_group resumed>) = ? [pid 11622] <... rseq resumed>) = 0 [pid 11620] +++ exited with 0 +++ [pid 11619] <... write resumed>) = 1048576 [pid 11617] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11615] <... close resumed>) = 0 [pid 11612] +++ exited with 0 +++ [pid 11611] +++ exited with 0 +++ [pid 11622] set_robust_list(0x7f43d31679a0, 24 [pid 11617] <... futex resumed>) = 0 [pid 11615] mkdir("./file0", 0777 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11611, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 11617] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11622] <... set_robust_list resumed>) = 0 [pid 11622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11615] <... mkdir resumed>) = 0 [pid 11622] memfd_create("syzkaller", 0) = 3 [pid 5067] umount2("./339", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11622] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11621] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11615] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11622] <... mmap resumed>) = 0x7f43cac00000 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./339", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11619] munmap(0x7f43cac00000, 138412032 [pid 5067] <... openat resumed>) = 3 [ 338.127962][T11612] NILFS (loop0): mounting fs with errors [ 338.140846][T11615] loop1: detected capacity change from 0 to 2048 [pid 11619] <... munmap resumed>) = 0 [pid 5067] newfstatat(3, "", [pid 11619] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11619] <... openat resumed>) = 4 [pid 11619] ioctl(4, LOOP_SET_FD, 3 [pid 5067] getdents64(3, [pid 11621] <... write resumed>) = 1048576 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11621] munmap(0x7f43cac00000, 138412032 [pid 5067] umount2("./339/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 11622] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11621] <... munmap resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./339/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11621] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] unlink("./339/binderfs") = 0 [pid 5067] umount2("./339/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11621] <... openat resumed>) = 4 [pid 11621] ioctl(4, LOOP_SET_FD, 3 [pid 11619] <... ioctl resumed>) = 0 [pid 11619] close(3) = 0 [ 338.175114][T11615] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 338.180824][T11619] loop3: detected capacity change from 0 to 2048 [ 338.212932][T11621] loop2: detected capacity change from 0 to 2048 [pid 11619] close(4 [pid 11622] <... write resumed>) = 1048576 [pid 11621] <... ioctl resumed>) = 0 [pid 11619] <... close resumed>) = 0 [pid 11622] munmap(0x7f43cac00000, 138412032 [pid 11621] close(3 [pid 11619] mkdir("./file0", 0777 [pid 11621] <... close resumed>) = 0 [pid 11619] <... mkdir resumed>) = 0 [pid 11621] close(4 [pid 11615] <... mount resumed>) = 0 [pid 11621] <... close resumed>) = 0 [pid 11621] mkdir("./file0", 0777 [pid 11619] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11615] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11621] <... mkdir resumed>) = 0 [pid 11615] <... openat resumed>) = 3 [pid 11615] chdir("./file0") = 0 [pid 11615] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11615] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11613] <... futex resumed>) = 0 [pid 11615] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11613] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11613] <... futex resumed>) = 0 [pid 11615] truncate("./file2", 0 [pid 11613] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11622] <... munmap resumed>) = 0 [ 338.223520][T11623] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 338.245478][T11619] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 338.259384][T11615] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11621] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5067] <... umount2 resumed>) = 0 [pid 11622] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] umount2("./339/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 11622] <... openat resumed>) = 4 [pid 5067] newfstatat(AT_FDCWD, "./339/file0", [pid 11622] ioctl(4, LOOP_SET_FD, 3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./339/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./339/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 5067] rmdir("./339/file0") = 0 [pid 11622] <... ioctl resumed>) = 0 [pid 11613] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11622] close(3 [pid 11613] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11622] <... close resumed>) = 0 [pid 11613] <... futex resumed>) = 0 [pid 11613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11622] close(4 [pid 11613] <... mmap resumed>) = 0x7f43d3126000 [pid 11622] <... close resumed>) = 0 [pid 11613] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5067] getdents64(3, [pid 11622] mkdir("./file0", 0777) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11622] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5067] close(3) = 0 [ 338.272323][T11621] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 338.284807][T11622] loop4: detected capacity change from 0 to 2048 [ 338.297315][T11615] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 5067] rmdir("./339") = 0 [pid 11613] <... mprotect resumed>) = 0 [pid 11615] <... truncate resumed>) = 0 [pid 11613] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11615] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11613] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] mkdir("./340", 0777 [pid 11615] <... futex resumed>) = 0 [pid 11613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11615] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11613] <... clone3 resumed> => {parent_tid=[11626]}, 88) = 11626 ./strace-static-x86_64: Process 11626 attached [pid 11613] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... mkdir resumed>) = 0 [pid 11626] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11626] <... rseq resumed>) = 0 [ 338.326465][T11622] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 338.335527][T11615] Remounting filesystem read-only [ 338.342124][T11615] NILFS (loop1): error -5 truncating bmap (ino=16) [ 338.354414][T11625] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11613] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11626] set_robust_list(0x7f43d31469a0, 24 [pid 11613] <... futex resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11626] <... set_robust_list resumed>) = 0 [pid 11613] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... openat resumed>) = 3 [pid 11626] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11626] fspick(AT_FDCWD, ".", 0) = 4 [pid 11626] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11621] <... mount resumed>) = 0 [pid 11619] <... mount resumed>) = 0 [pid 11626] <... futex resumed>) = 1 [pid 11613] <... futex resumed>) = 0 [pid 11626] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11613] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11621] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11619] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11615] <... futex resumed>) = 0 [pid 11613] <... futex resumed>) = 1 [pid 11619] <... openat resumed>) = 3 [pid 11615] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11613] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11621] <... openat resumed>) = 3 [pid 11619] chdir("./file0" [pid 11615] <... fsconfig resumed>) = 0 [pid 11615] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11619] <... chdir resumed>) = 0 [pid 11615] <... futex resumed>) = 1 [pid 11613] <... futex resumed>) = 0 [pid 11621] chdir("./file0") = 0 [pid 11615] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11613] exit_group(0 [pid 11626] <... futex resumed>) = ? [pid 11622] <... mount resumed>) = 0 [pid 11621] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11619] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11615] <... futex resumed>) = ? [pid 11613] <... exit_group resumed>) = ? [pid 11626] +++ exited with 0 +++ [pid 11622] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11622] chdir("./file0" [pid 11621] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11622] <... chdir resumed>) = 0 [pid 11621] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11619] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11622] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11621] <... futex resumed>) = 1 [pid 11618] <... futex resumed>) = 0 [pid 11622] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11621] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11618] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11622] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11618] <... futex resumed>) = 0 [pid 11622] <... futex resumed>) = 1 [pid 11621] truncate("./file2", 0 [pid 11618] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11617] <... futex resumed>) = 0 [ 338.370740][T11624] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 338.388153][T11627] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 338.402072][T11615] NILFS (loop1): mounting fs with errors [pid 11622] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11619] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11617] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11615] +++ exited with 0 +++ [pid 11613] +++ exited with 0 +++ [pid 11619] <... futex resumed>) = 1 [pid 11619] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11613, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11617] <... futex resumed>) = 0 [pid 11617] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11616] <... futex resumed>) = 0 [pid 5068] umount2("./336", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 11622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11616] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./336", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11616] <... futex resumed>) = 1 [pid 5068] <... openat resumed>) = 3 [pid 5068] newfstatat(3, "", [pid 11616] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11619] <... futex resumed>) = 0 [pid 11619] truncate("./file2", 0 [pid 5067] <... ioctl resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11622] truncate("./file2", 0 [pid 5068] getdents64(3, [pid 5067] close(3 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] <... close resumed>) = 0 [pid 5068] umount2("./336/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] newfstatat(AT_FDCWD, "./336/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 11628 attached [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11628 [pid 5068] unlink("./336/binderfs") = 0 [pid 5068] umount2("./336/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11618] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11628] set_robust_list(0x555589d386a0, 24 [pid 11618] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11628] <... set_robust_list resumed>) = 0 [ 338.421053][T11621] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 338.431766][T11621] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 338.446359][T11622] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 338.461009][T11619] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 338.461799][T11621] Remounting filesystem read-only [pid 11618] <... futex resumed>) = 0 [pid 11628] chdir("./340" [pid 11618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11628] <... chdir resumed>) = 0 [pid 11621] <... truncate resumed>) = 0 [pid 11618] <... mmap resumed>) = 0x7f43d3126000 [pid 11617] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11616] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11617] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11616] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11617] <... futex resumed>) = 0 [pid 11616] <... futex resumed>) = 0 [pid 11628] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11621] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11618] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11617] <... mmap resumed>) = 0x7f43d3126000 [pid 11616] <... mmap resumed>) = 0x7f43d3126000 [pid 11617] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11616] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11617] <... mprotect resumed>) = 0 [pid 11616] <... mprotect resumed>) = 0 [pid 11628] <... prctl resumed>) = 0 [pid 11621] <... futex resumed>) = 0 [pid 11618] <... mprotect resumed>) = 0 [pid 11617] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11616] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11622] <... truncate resumed>) = 0 [pid 11628] setpgid(0, 0 [pid 11621] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11618] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11617] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11616] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11630 attached ./strace-static-x86_64: Process 11629 attached [pid 11630] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11629] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11617] <... clone3 resumed> => {parent_tid=[11629]}, 88) = 11629 [pid 11616] <... clone3 resumed> => {parent_tid=[11630]}, 88) = 11630 [pid 11630] <... rseq resumed>) = 0 [pid 11629] <... rseq resumed>) = 0 [pid 11628] <... setpgid resumed>) = 0 [pid 11622] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11618] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11617] rt_sigprocmask(SIG_SETMASK, [], [pid 11616] rt_sigprocmask(SIG_SETMASK, [], [pid 11630] set_robust_list(0x7f43d31469a0, 24 [pid 11629] set_robust_list(0x7f43d31469a0, 24 [pid 11617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11630] <... set_robust_list resumed>) = 0 [pid 11629] <... set_robust_list resumed>) = 0 [pid 11628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11622] <... futex resumed>) = 0 [pid 11618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [ 338.478600][T11622] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 338.490906][T11621] NILFS (loop2): error -5 truncating bmap (ino=16) [ 338.495994][T11619] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 338.500309][T11622] Remounting filesystem read-only [ 338.513149][T11622] NILFS (loop4): error -5 truncating bmap (ino=16) [ 338.522099][T11619] Remounting filesystem read-only [pid 11617] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11616] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = 0 [pid 11630] rt_sigprocmask(SIG_SETMASK, [], [pid 11629] rt_sigprocmask(SIG_SETMASK, [], [pid 11617] <... futex resumed>) = 0 [pid 11616] <... futex resumed>) = 0 [pid 11630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11617] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11616] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11630] fspick(AT_FDCWD, ".", 0 [pid 11629] fspick(AT_FDCWD, ".", 0 [pid 11630] <... fspick resumed>) = 4 [pid 11629] <... fspick resumed>) = 4 [pid 11628] <... openat resumed>) = 3 [pid 11630] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11629] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11628] write(3, "1000", 4./strace-static-x86_64: Process 11631 attached [pid 11630] <... futex resumed>) = 1 [pid 11629] <... futex resumed>) = 1 [pid 11628] <... write resumed>) = 4 [pid 11622] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11619] <... truncate resumed>) = 0 [pid 11617] <... futex resumed>) = 0 [pid 11616] <... futex resumed>) = 0 [pid 5068] umount2("./336/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11631] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11630] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11629] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11628] close(3 [pid 11619] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11618] <... clone3 resumed> => {parent_tid=[11631]}, 88) = 11631 [pid 11617] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11616] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11631] <... rseq resumed>) = 0 [pid 11628] <... close resumed>) = 0 [pid 11622] <... futex resumed>) = 0 [pid 11619] <... futex resumed>) = 0 [pid 11618] rt_sigprocmask(SIG_SETMASK, [], [pid 11617] <... futex resumed>) = 1 [pid 11616] <... futex resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./336/file0", [pid 11631] set_robust_list(0x7f43d31469a0, 24 [pid 11628] symlink("/dev/binderfs", "./binderfs" [pid 11622] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11619] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11617] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11616] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11631] <... set_robust_list resumed>) = 0 [pid 11628] <... symlink resumed>) = 0 [pid 11622] <... fsconfig resumed>) = 0 [pid 11628] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11622] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11628] <... futex resumed>) = 0 [pid 11622] <... futex resumed>) = 1 [pid 11617] <... futex resumed>) = 0 [pid 11628] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11622] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11617] exit_group(0 [pid 11629] <... futex resumed>) = ? [pid 11628] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11622] <... futex resumed>) = ? [pid 11617] <... exit_group resumed>) = ? [pid 11631] rt_sigprocmask(SIG_SETMASK, [], [pid 11629] +++ exited with 0 +++ [pid 11628] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11622] +++ exited with 0 +++ [pid 11618] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./336/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11619] <... fsconfig resumed>) = 0 [pid 11618] <... futex resumed>) = 0 [pid 11617] +++ exited with 0 +++ [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11631] fspick(AT_FDCWD, ".", 0 [pid 11628] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11619] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11618] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] openat(AT_FDCWD, "./336/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11631] <... fspick resumed>) = 4 [pid 11628] <... mmap resumed>) = 0x7f43d3147000 [pid 11619] <... futex resumed>) = 1 [pid 11616] <... futex resumed>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11617, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11631] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11628] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11619] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11616] exit_group(0 [pid 5071] umount2("./342", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 4 [pid 11631] <... futex resumed>) = 0 [pid 11630] <... futex resumed>) = ? [pid 11628] <... mprotect resumed>) = 0 [pid 11619] <... futex resumed>) = ? [pid 11618] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11616] <... exit_group resumed>) = ? [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11631] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11630] +++ exited with 0 +++ [pid 11628] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11621] <... futex resumed>) = 0 [pid 11619] +++ exited with 0 +++ [pid 11618] <... futex resumed>) = 1 [pid 5071] openat(AT_FDCWD, "./342", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] newfstatat(4, "", [pid 11621] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11618] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... openat resumed>) = 3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11628] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11616] +++ exited with 0 +++ [pid 5071] newfstatat(3, "", [pid 11628] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, [pid 11628] <... clone3 resumed> => {parent_tid=[11632]}, 88) = 11632 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11628] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] umount2("./342/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(4, ./strace-static-x86_64: Process 11632 attached [pid 11628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11632] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11628] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11621] <... fsconfig resumed>) = 0 [pid 5071] newfstatat(AT_FDCWD, "./342/binderfs", [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11616, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5068] getdents64(4, [pid 11632] <... rseq resumed>) = 0 [pid 11621] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] umount2("./339", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11632] set_robust_list(0x7f43d31679a0, 24 [pid 11628] <... futex resumed>) = 0 [pid 11621] <... futex resumed>) = 1 [pid 11618] <... futex resumed>) = 0 [pid 5071] unlink("./342/binderfs" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] close(4 [pid 11632] <... set_robust_list resumed>) = 0 [pid 11628] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11621] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11618] exit_group(0 [pid 5071] <... unlink resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./339", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... close resumed>) = 0 [pid 11632] rt_sigprocmask(SIG_SETMASK, [], [pid 11631] <... futex resumed>) = ? [pid 11621] <... futex resumed>) = ? [pid 11618] <... exit_group resumed>) = ? [pid 5071] umount2("./342/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... openat resumed>) = 3 [pid 5068] rmdir("./336/file0" [pid 11632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11631] +++ exited with 0 +++ [pid 11621] +++ exited with 0 +++ [pid 5068] <... rmdir resumed>) = 0 [pid 11632] memfd_create("syzkaller", 0 [pid 11618] +++ exited with 0 +++ [pid 5070] newfstatat(3, "", [pid 5068] getdents64(3, [pid 11632] <... memfd_create resumed>) = 3 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11618, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11632] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11632] <... mmap resumed>) = 0x7f43cac00000 [pid 5070] getdents64(3, [pid 5068] close(3 [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./342/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./339/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] rmdir("./336" [pid 5071] newfstatat(AT_FDCWD, "./342/file0", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./339", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] newfstatat(AT_FDCWD, "./339/binderfs", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... rmdir resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] openat(AT_FDCWD, "./339", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] mkdir("./337", 0777 [pid 11632] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5071] umount2("./342/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] unlink("./339/binderfs" [pid 5069] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(3, "", [pid 5068] <... mkdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./342/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5070] umount2("./339/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5071] newfstatat(4, "", [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] umount2("./339/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5071] getdents64(4, [pid 5069] newfstatat(AT_FDCWD, "./339/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] unlink("./339/binderfs") = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [ 338.534622][T11619] NILFS (loop3): error -5 truncating bmap (ino=16) [ 338.548103][T11622] NILFS (loop4): mounting fs with errors [ 338.548997][T11619] NILFS (loop3): mounting fs with errors [ 338.570906][T11621] NILFS (loop2): mounting fs with errors [pid 5069] umount2("./339/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] close(4 [pid 11632] <... write resumed>) = 1048576 [pid 11632] munmap(0x7f43cac00000, 138412032 [pid 5071] <... close resumed>) = 0 [pid 11632] <... munmap resumed>) = 0 [pid 5071] rmdir("./342/file0" [pid 5070] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 11632] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5070] umount2("./339/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11632] <... openat resumed>) = 4 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./339/file0", [pid 5069] umount2("./339/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11632] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] umount2("./339/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./339/file0", [pid 5071] getdents64(3, [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 5069] umount2("./339/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] rmdir("./342" [pid 5069] openat(AT_FDCWD, "./339/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... rmdir resumed>) = 0 [pid 11632] <... ioctl resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 4 [pid 5068] <... ioctl resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./339/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] newfstatat(4, "", [pid 5071] mkdir("./343", 0777 [pid 5070] <... openat resumed>) = 4 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5070] newfstatat(4, "", [pid 5069] getdents64(4, [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, [pid 5069] getdents64(4, [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] getdents64(4, [pid 5069] close(4 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] <... close resumed>) = 0 [pid 5070] close(4) = 0 [pid 5069] rmdir("./339/file0" [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] rmdir("./339/file0" [pid 11632] close(3 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] close(3 [pid 11632] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 11632] close(4 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11632] <... close resumed>) = 0 [pid 5070] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(3, [pid 5070] close(3) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11632] mkdir("./file0", 0777 [pid 5070] rmdir("./339" [pid 5069] close(3./strace-static-x86_64: Process 11633 attached [pid 11633] set_robust_list(0x555589d386a0, 24 [pid 11632] <... mkdir resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11633 [pid 11633] <... set_robust_list resumed>) = 0 [pid 11632] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5069] rmdir("./339" [pid 11633] chdir("./337" [pid 5070] mkdir("./340", 0777 [pid 5069] <... rmdir resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] mkdir("./340", 0777 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11633] <... chdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 11633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11633] setpgid(0, 0) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] <... openat resumed>) = 3 [pid 11633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 338.634253][T11632] loop0: detected capacity change from 0 to 2048 [ 338.669020][T11632] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 5069] ioctl(3, LOOP_CLR_FD [pid 11633] <... openat resumed>) = 3 [pid 11633] write(3, "1000", 4) = 4 [pid 11633] close(3) = 0 [pid 11633] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11632] <... mount resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 11633] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11632] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11633] <... futex resumed>) = 0 [pid 11633] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11632] <... openat resumed>) = 3 [pid 11633] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11632] chdir("./file0" [pid 11633] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11632] <... chdir resumed>) = 0 [pid 11633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11632] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11632] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11633] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11632] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] close(3 [pid 11633] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11632] <... futex resumed>) = 1 [pid 11628] <... futex resumed>) = 0 [pid 11633] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11632] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11635 attached => {parent_tid=[11635]}, 88) = 11635 [pid 11633] rt_sigprocmask(SIG_SETMASK, [], [pid 11635] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 11635] set_robust_list(0x7f43d31679a0, 24 [pid 11633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11628] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... close resumed>) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 11635] <... set_robust_list resumed>) = 0 [pid 11633] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11635] rt_sigprocmask(SIG_SETMASK, [], [pid 11633] <... futex resumed>) = 0 [pid 11635] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 338.689667][T11634] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11635] memfd_create("syzkaller", 0 [pid 11632] <... futex resumed>) = 0 [pid 11628] <... futex resumed>) = 1 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11632] truncate("./file2", 0 [pid 11628] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11636 ./strace-static-x86_64: Process 11636 attached [pid 11636] set_robust_list(0x555589d386a0, 24) = 0 [pid 11636] chdir("./343") = 0 [pid 11636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11636] setpgid(0, 0) = 0 [pid 11636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11636] write(3, "1000", 4) = 4 [pid 11636] close(3) = 0 [pid 11636] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11636] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11636] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5070] close(3 [pid 11636] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5070] <... close resumed>) = 0 [pid 11636] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... ioctl resumed>) = 0 [pid 11636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11635] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 11637 attached [pid 11636] <... mmap resumed>) = 0x7f43d3147000 [pid 5069] close(3 [pid 11637] set_robust_list(0x555589d386a0, 24 [pid 11636] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5069] <... close resumed>) = 0 [pid 11637] <... set_robust_list resumed>) = 0 [pid 11636] <... mprotect resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11636] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11637] chdir("./340" [pid 11636] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11637 [pid 11637] <... chdir resumed>) = 0 [pid 11636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11633] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11635] <... mmap resumed>) = 0x7f43cac00000 [pid 11637] <... prctl resumed>) = 0 [pid 11636] <... clone3 resumed> => {parent_tid=[11639]}, 88) = 11639 [pid 11637] setpgid(0, 0 [pid 11636] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11638 ./strace-static-x86_64: Process 11639 attached [pid 11637] <... setpgid resumed>) = 0 [pid 11636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11639] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11636] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11636] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11639] <... rseq resumed>) = 0 [pid 11639] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11639] rt_sigprocmask(SIG_SETMASK, [], [pid 11637] <... openat resumed>) = 3 [pid 11639] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11639] memfd_create("syzkaller", 0 [pid 11637] write(3, "1000", 4) = 4 [pid 11637] close(3 [pid 11635] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576./strace-static-x86_64: Process 11638 attached [pid 11638] set_robust_list(0x555589d386a0, 24 [pid 11639] <... memfd_create resumed>) = 3 [pid 11637] <... close resumed>) = 0 [pid 11639] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 338.750846][T11632] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11637] symlink("/dev/binderfs", "./binderfs" [pid 11638] <... set_robust_list resumed>) = 0 [pid 11637] <... symlink resumed>) = 0 [pid 11639] <... mmap resumed>) = 0x7f43cac00000 [pid 11628] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11628] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11628] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11637] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11628] <... mmap resumed>) = 0x7f43d3126000 [pid 11637] <... futex resumed>) = 0 [pid 11628] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11637] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11628] <... mprotect resumed>) = 0 [pid 11637] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11628] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11637] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11628] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11638] chdir("./340" [pid 11637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11628] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11638] <... chdir resumed>) = 0 [pid 11637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11637] <... mmap resumed>) = 0x7f43d3147000 [pid 11628] <... clone3 resumed> => {parent_tid=[11640]}, 88) = 11640 [pid 11637] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11628] rt_sigprocmask(SIG_SETMASK, [], [pid 11638] <... prctl resumed>) = 0 [pid 11638] setpgid(0, 0 [pid 11637] <... mprotect resumed>) = 0 [pid 11628] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 11640 attached [pid 11639] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11637] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11628] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11640] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11638] <... setpgid resumed>) = 0 [pid 11628] <... futex resumed>) = 0 [pid 11640] <... rseq resumed>) = 0 [pid 11628] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11640] set_robust_list(0x7f43d31469a0, 24 [pid 11638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11640] <... set_robust_list resumed>) = 0 [pid 11638] <... openat resumed>) = 3 [pid 11637] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11640] rt_sigprocmask(SIG_SETMASK, [], [pid 11638] write(3, "1000", 4 [pid 11637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11638] <... write resumed>) = 4 [pid 11638] close(3) = 0 [pid 11638] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 11641 attached [pid 11640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11638] <... symlink resumed>) = 0 [pid 11637] <... clone3 resumed> => {parent_tid=[11641]}, 88) = 11641 [pid 11641] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11640] fspick(AT_FDCWD, ".", 0 [pid 11637] rt_sigprocmask(SIG_SETMASK, [], [pid 11641] <... rseq resumed>) = 0 [pid 11640] <... fspick resumed>) = 4 [pid 11638] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11641] set_robust_list(0x7f43d31679a0, 24 [pid 11640] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11638] <... futex resumed>) = 0 [pid 11637] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11641] <... set_robust_list resumed>) = 0 [pid 11640] <... futex resumed>) = 1 [pid 11637] <... futex resumed>) = 0 [pid 11628] <... futex resumed>) = 0 [pid 11641] rt_sigprocmask(SIG_SETMASK, [], [pid 11640] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11637] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 338.800032][T11632] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 338.835529][T11632] Remounting filesystem read-only [ 338.843276][T11632] NILFS (loop0): error -5 truncating bmap (ino=16) [pid 11628] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11628] <... futex resumed>) = 0 [pid 11638] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11628] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11638] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11641] memfd_create("syzkaller", 0 [pid 11638] <... mmap resumed>) = 0x7f43d3147000 [pid 11632] <... truncate resumed>) = 0 [pid 11638] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11641] <... memfd_create resumed>) = 3 [pid 11640] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11638] <... mprotect resumed>) = 0 [pid 11632] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11638] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11639] <... write resumed>) = 1048576 [pid 11635] <... write resumed>) = 1048576 [pid 11632] <... futex resumed>) = 0 [pid 11641] <... mmap resumed>) = 0x7f43cac00000 [pid 11638] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11632] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11641] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11639] munmap(0x7f43cac00000, 138412032 [pid 11635] munmap(0x7f43cac00000, 138412032 [pid 11638] <... clone3 resumed> => {parent_tid=[11642]}, 88) = 11642 [pid 11635] <... munmap resumed>) = 0 [pid 11638] rt_sigprocmask(SIG_SETMASK, [], [pid 11635] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11638] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 11642 attached [pid 11638] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11642] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11638] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11635] <... openat resumed>) = 4 [pid 11635] ioctl(4, LOOP_SET_FD, 3 [pid 11642] <... rseq resumed>) = 0 [pid 11642] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11642] rt_sigprocmask(SIG_SETMASK, [], [pid 11640] <... fsconfig resumed>) = 0 [pid 11642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11640] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11642] memfd_create("syzkaller", 0 [pid 11640] <... futex resumed>) = 1 [pid 11628] <... futex resumed>) = 0 [pid 11642] <... memfd_create resumed>) = 3 [pid 11640] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11628] exit_group(0 [pid 11642] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11640] <... futex resumed>) = ? [pid 11628] <... exit_group resumed>) = ? [pid 11642] <... mmap resumed>) = 0x7f43cac00000 [pid 11640] +++ exited with 0 +++ [pid 11632] <... futex resumed>) = ? [pid 11632] +++ exited with 0 +++ [pid 11628] +++ exited with 0 +++ [pid 11639] <... munmap resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11628, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 11639] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] umount2("./340", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11639] <... openat resumed>) = 4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./340", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 11642] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [ 338.853207][T11640] NILFS (loop0): mounting fs with errors [ 338.872960][T11635] loop1: detected capacity change from 0 to 2048 [pid 11639] ioctl(4, LOOP_SET_FD, 3 [pid 11635] <... ioctl resumed>) = 0 [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11641] <... write resumed>) = 1048576 [pid 11642] <... write resumed>) = 1048576 [pid 11639] <... ioctl resumed>) = 0 [pid 11635] close(3 [pid 5067] getdents64(3, [pid 11642] munmap(0x7f43cac00000, 138412032 [pid 11641] munmap(0x7f43cac00000, 138412032 [pid 11639] close(3 [pid 11635] <... close resumed>) = 0 [pid 11642] <... munmap resumed>) = 0 [pid 11641] <... munmap resumed>) = 0 [pid 11639] <... close resumed>) = 0 [pid 11635] close(4 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11642] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11635] <... close resumed>) = 0 [pid 5067] umount2("./340/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11635] mkdir("./file0", 0777 [pid 11642] <... openat resumed>) = 4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11641] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5067] newfstatat(AT_FDCWD, "./340/binderfs", [pid 11641] <... openat resumed>) = 4 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11641] ioctl(4, LOOP_SET_FD, 3 [pid 11635] <... mkdir resumed>) = 0 [pid 5067] unlink("./340/binderfs" [pid 11642] ioctl(4, LOOP_SET_FD, 3 [pid 11641] <... ioctl resumed>) = 0 [pid 11639] close(4 [pid 11635] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5067] <... unlink resumed>) = 0 [pid 11639] <... close resumed>) = 0 [pid 5067] umount2("./340/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11641] close(3 [pid 11639] mkdir("./file0", 0777 [pid 11641] <... close resumed>) = 0 [pid 11641] close(4) = 0 [pid 11641] mkdir("./file0", 0777) = 0 [pid 11641] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11642] <... ioctl resumed>) = 0 [pid 11639] <... mkdir resumed>) = 0 [pid 11642] close(3 [pid 11639] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11642] <... close resumed>) = 0 [ 338.900134][T11639] loop4: detected capacity change from 0 to 2048 [ 338.921416][T11641] loop3: detected capacity change from 0 to 2048 [ 338.930337][T11642] loop2: detected capacity change from 0 to 2048 [ 338.937730][T11635] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11642] close(4) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 11642] mkdir("./file0", 0777 [pid 5067] umount2("./340/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./340/file0", [pid 11642] <... mkdir resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./340/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11642] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./340/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 5067] rmdir("./340/file0") = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] close(3) = 0 [ 338.973955][T11641] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 339.007076][T11642] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 5067] rmdir("./340") = 0 [pid 5067] mkdir("./341", 0777) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11635] <... mount resumed>) = 0 [pid 11635] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11635] chdir("./file0") = 0 [pid 11635] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11635] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11633] <... futex resumed>) = 0 [pid 11635] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11633] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11633] <... futex resumed>) = 0 [pid 11635] truncate("./file2", 0 [ 339.017813][T11643] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 339.021179][T11639] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 339.055946][T11644] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11633] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11641] <... mount resumed>) = 0 [pid 5067] <... ioctl resumed>) = 0 [pid 5067] close(3) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555589d38690) = 11647 ./strace-static-x86_64: Process 11647 attached [pid 11642] <... mount resumed>) = 0 [ 339.078627][T11635] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 339.079520][T11645] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 339.099467][T11646] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 339.111425][T11635] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 339.121710][T11635] Remounting filesystem read-only [pid 11641] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11639] <... mount resumed>) = 0 [pid 11647] set_robust_list(0x555589d386a0, 24 [pid 11642] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11639] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11633] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11642] <... openat resumed>) = 3 [pid 11639] <... openat resumed>) = 3 [pid 11633] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11642] chdir("./file0" [pid 11639] chdir("./file0" [pid 11633] <... futex resumed>) = 0 [pid 11642] <... chdir resumed>) = 0 [pid 11639] <... chdir resumed>) = 0 [pid 11633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11642] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11639] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11633] <... mmap resumed>) = 0x7f43d3126000 [pid 11647] <... set_robust_list resumed>) = 0 [pid 11642] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11639] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11633] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11647] chdir("./341" [pid 11642] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11641] <... openat resumed>) = 3 [pid 11639] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11635] <... truncate resumed>) = 0 [pid 11633] <... mprotect resumed>) = 0 [pid 11647] <... chdir resumed>) = 0 [pid 11642] <... futex resumed>) = 1 [pid 11641] chdir("./file0" [pid 11638] <... futex resumed>) = 0 [pid 11639] <... futex resumed>) = 1 [pid 11636] <... futex resumed>) = 0 [pid 11635] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11633] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11642] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11641] <... chdir resumed>) = 0 [pid 11638] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11639] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11636] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11635] <... futex resumed>) = 0 [pid 11633] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11647] <... prctl resumed>) = 0 [pid 11642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11641] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11638] <... futex resumed>) = 0 [pid 11639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11636] <... futex resumed>) = 0 [pid 11635] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11648 attached [pid 11647] setpgid(0, 0 [pid 11642] truncate("./file2", 0 [pid 11641] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11638] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11639] truncate("./file2", 0 [pid 11636] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11648] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11641] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11633] <... clone3 resumed> => {parent_tid=[11648]}, 88) = 11648 [pid 11648] <... rseq resumed>) = 0 [pid 11641] <... futex resumed>) = 1 [pid 11637] <... futex resumed>) = 0 [ 339.126786][T11635] NILFS (loop1): error -5 truncating bmap (ino=16) [ 339.148253][T11639] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 339.151069][T11641] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11633] rt_sigprocmask(SIG_SETMASK, [], [pid 11648] set_robust_list(0x7f43d31469a0, 24 [pid 11641] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11637] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11648] <... set_robust_list resumed>) = 0 [pid 11641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11637] <... futex resumed>) = 0 [pid 11648] rt_sigprocmask(SIG_SETMASK, [], [pid 11641] truncate("./file2", 0 [pid 11637] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11633] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11648] fspick(AT_FDCWD, ".", 0) = 4 [pid 11648] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11648] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 11647] <... setpgid resumed>) = 0 [pid 11638] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11636] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11633] <... futex resumed>) = 1 [pid 11648] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11636] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11633] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11636] <... mmap resumed>) = 0x7f43d3126000 [pid 11633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11633] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11636] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11636] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11633] <... futex resumed>) = 1 [pid 11638] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11636] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11647] <... openat resumed>) = 3 [pid 11638] <... futex resumed>) = 0 [pid 11633] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[11649]}, 88) = 11649 [pid 11636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11636] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11636] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11637] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11637] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11635] <... futex resumed>) = 0 [pid 11637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 339.159398][T11642] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 339.172906][T11641] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 339.189858][T11639] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 339.202040][T11639] Remounting filesystem read-only [ 339.207134][T11639] NILFS (loop4): error -5 truncating bmap (ino=16) [ 339.216891][T11642] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11635] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11647] write(3, "1000", 4 [pid 11638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 11649 attached [pid 11637] <... mmap resumed>) = 0x7f43d3126000 [pid 11649] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11637] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11649] <... rseq resumed>) = 0 [pid 11649] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11649] rt_sigprocmask(SIG_SETMASK, [], [pid 11637] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11649] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11637] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11649] fspick(AT_FDCWD, ".", 0 [pid 11638] <... mmap resumed>) = 0x7f43d3126000 [pid 11649] <... fspick resumed>) = 4 [pid 11647] <... write resumed>) = 4 [pid 11637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11649] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11647] close(3 [pid 11638] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11649] <... futex resumed>) = 1 [pid 11637] <... clone3 resumed> => {parent_tid=[11650]}, 88) = 11650 [pid 11636] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11650 attached [pid 11649] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11647] <... close resumed>) = 0 [pid 11638] <... mprotect resumed>) = 0 [pid 11637] rt_sigprocmask(SIG_SETMASK, [], [pid 11636] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11636] <... futex resumed>) = 0 [pid 11649] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11647] symlink("/dev/binderfs", "./binderfs" [pid 11638] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11639] <... truncate resumed>) = 0 [pid 11637] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11636] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11650] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11637] <... futex resumed>) = 0 [pid 11650] <... rseq resumed>) = 0 [pid 11637] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11650] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11650] fspick(AT_FDCWD, ".", 0) = 4 [pid 11650] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11637] <... futex resumed>) = 0 [pid 11637] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11637] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11650] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11638] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[11651]}, 88) = 11651 ./strace-static-x86_64: Process 11651 attached [pid 11638] rt_sigprocmask(SIG_SETMASK, [], [pid 11639] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11651] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11642] <... truncate resumed>) = 0 [pid 11638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11639] <... futex resumed>) = 0 [pid 11651] <... rseq resumed>) = 0 [pid 11642] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11638] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11639] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11651] set_robust_list(0x7f43d31469a0, 24 [pid 11642] <... futex resumed>) = 0 [pid 11638] <... futex resumed>) = 0 [pid 11651] <... set_robust_list resumed>) = 0 [pid 11638] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11651] rt_sigprocmask(SIG_SETMASK, [], [pid 11647] <... symlink resumed>) = 0 [pid 11642] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11649] <... fsconfig resumed>) = 0 [pid 11635] <... fsconfig resumed>) = 0 [pid 11647] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11651] fspick(AT_FDCWD, ".", 0 [pid 11649] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11635] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11641] <... truncate resumed>) = 0 [pid 11641] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11641] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11651] <... fspick resumed>) = 4 [pid 11650] <... fsconfig resumed>) = 0 [pid 11649] <... futex resumed>) = 1 [pid 11647] <... futex resumed>) = 0 [pid 11636] <... futex resumed>) = 0 [pid 11635] <... futex resumed>) = 1 [pid 11633] <... futex resumed>) = 0 [pid 11651] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11650] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11649] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11647] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11636] exit_group(0 [pid 11635] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11633] exit_group(0 [pid 11651] <... futex resumed>) = 1 [pid 11650] <... futex resumed>) = 1 [pid 11649] <... futex resumed>) = ? [pid 11648] <... futex resumed>) = ? [pid 11647] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11638] <... futex resumed>) = 0 [pid 11639] <... futex resumed>) = ? [pid 11637] <... futex resumed>) = 0 [pid 11636] <... exit_group resumed>) = ? [pid 11651] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11650] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11649] +++ exited with 0 +++ [pid 11648] +++ exited with 0 +++ [pid 11647] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11638] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11639] +++ exited with 0 +++ [pid 11637] exit_group(0 [pid 11635] <... futex resumed>) = ? [pid 11633] <... exit_group resumed>) = ? [pid 11650] <... futex resumed>) = ? [pid 11647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11642] <... futex resumed>) = 0 [pid 11641] <... futex resumed>) = ? [pid 11638] <... futex resumed>) = 1 [pid 11637] <... exit_group resumed>) = ? [pid 11650] +++ exited with 0 +++ [ 339.221228][T11635] NILFS (loop1): mounting fs with errors [ 339.228949][T11642] Remounting filesystem read-only [ 339.241332][T11649] NILFS (loop4): mounting fs with errors [ 339.242131][T11642] NILFS (loop2): error -5 truncating bmap (ino=16) [ 339.258923][T11641] Remounting filesystem read-only [ 339.264720][T11641] NILFS (loop3): error -5 truncating bmap (ino=16) [ 339.272036][T11650] NILFS (loop3): mounting fs with errors [pid 11647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11642] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11641] +++ exited with 0 +++ [pid 11638] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11637] +++ exited with 0 +++ [pid 11636] +++ exited with 0 +++ [pid 11635] +++ exited with 0 +++ [pid 11633] +++ exited with 0 +++ [pid 11647] <... mmap resumed>) = 0x7f43d3147000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11637, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 11647] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11633, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 11647] <... mprotect resumed>) = 0 [pid 5068] umount2("./337", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11647] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] umount2("./340", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./337", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11647] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] openat(AT_FDCWD, "./340", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... openat resumed>) = 3 [pid 11647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5070] <... openat resumed>) = 3 [pid 5068] newfstatat(3, "", [pid 5070] newfstatat(3, "", [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11647] <... clone3 resumed> => {parent_tid=[11652]}, 88) = 11652 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11636, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(3, ./strace-static-x86_64: Process 11652 attached [pid 11647] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] getdents64(3, [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11652] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11642] <... fsconfig resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./337/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11652] <... rseq resumed>) = 0 [pid 11647] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11642] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] umount2("./343", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./340/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11652] set_robust_list(0x7f43d31679a0, 24 [pid 11647] <... futex resumed>) = 0 [pid 11642] <... futex resumed>) = 1 [pid 11638] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./337/binderfs", [pid 11652] <... set_robust_list resumed>) = 0 [pid 11647] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11642] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11638] exit_group(0 [pid 5071] openat(AT_FDCWD, "./343", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] newfstatat(AT_FDCWD, "./340/binderfs", [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11652] rt_sigprocmask(SIG_SETMASK, [], [pid 11651] <... futex resumed>) = ? [pid 11642] <... futex resumed>) = ? [pid 11638] <... exit_group resumed>) = ? [pid 5071] <... openat resumed>) = 3 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] unlink("./337/binderfs" [pid 11652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11651] +++ exited with 0 +++ [pid 11642] +++ exited with 0 +++ [pid 5070] unlink("./340/binderfs" [pid 5068] <... unlink resumed>) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5068] umount2("./337/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11638] +++ exited with 0 +++ [pid 5070] umount2("./340/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11638, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 11652] memfd_create("syzkaller", 0 [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./340", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./343/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11652] <... memfd_create resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11652] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] newfstatat(AT_FDCWD, "./343/binderfs", [pid 11652] <... mmap resumed>) = 0x7f43cac00000 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./343/binderfs" [pid 5070] <... umount2 resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./340", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] <... unlink resumed>) = 0 [pid 5069] newfstatat(3, "", [pid 5071] umount2("./343/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./340/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./340/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] unlink("./340/binderfs") = 0 [pid 5069] umount2("./340/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./340/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11652] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5071] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5071] umount2("./343/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = 0 [pid 5068] umount2("./337/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./340/file0", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./337/file0", [pid 5071] newfstatat(AT_FDCWD, "./343/file0", [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] umount2("./340/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./337/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./343/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./340/file0", [pid 5068] openat(AT_FDCWD, "./337/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] openat(AT_FDCWD, "./343/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] umount2("./340/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 4 [pid 5071] <... openat resumed>) = 4 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./340/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] newfstatat(4, "", [pid 5069] umount2("./340/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(4, "", [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(4, [pid 5070] <... openat resumed>) = 4 [pid 5069] openat(AT_FDCWD, "./340/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] getdents64(4, [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] <... openat resumed>) = 4 [pid 5071] getdents64(4, [pid 5069] newfstatat(4, "", [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, [pid 5070] newfstatat(4, "", [pid 5071] close(4 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] getdents64(4, [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] rmdir("./343/file0" [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] close(4 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] getdents64(4, [pid 5068] <... close resumed>) = 0 [ 339.294835][T11642] NILFS (loop2): mounting fs with errors [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] rmdir("./337/file0" [pid 5070] getdents64(4, [pid 5069] close(4 [pid 5068] <... rmdir resumed>) = 0 [pid 5071] getdents64(3, [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] <... close resumed>) = 0 [pid 5070] getdents64(4, [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 5069] rmdir("./340/file0" [pid 5071] <... close resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] getdents64(3, [pid 5071] rmdir("./343" [pid 5070] close(4) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] rmdir("./340/file0" [pid 5069] getdents64(3, [pid 5068] close(3 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] <... close resumed>) = 0 [pid 5069] close(3 [pid 5068] rmdir("./337" [pid 5071] mkdir("./344", 0777 [pid 5069] <... close resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5069] rmdir("./340" [pid 5070] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] mkdir("./338", 0777 [pid 5070] <... close resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] rmdir("./340" [pid 5071] <... openat resumed>) = 3 [pid 5068] <... mkdir resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] <... rmdir resumed>) = 0 [pid 5069] mkdir("./341", 0777) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5070] mkdir("./341", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11652] <... write resumed>) = 1048576 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] <... openat resumed>) = 3 [pid 5068] <... openat resumed>) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 11652] munmap(0x7f43cac00000, 138412032 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 11652] <... munmap resumed>) = 0 [pid 11652] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11652] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11652] close(3 [pid 5070] <... ioctl resumed>) = 0 [pid 11652] <... close resumed>) = 0 [pid 11652] close(4 [pid 5071] <... ioctl resumed>) = 0 [pid 11652] <... close resumed>) = 0 [pid 5070] close(3 [pid 5068] <... ioctl resumed>) = 0 [pid 11652] mkdir("./file0", 0777 [pid 5071] close(3) = 0 [pid 11652] <... mkdir resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... ioctl resumed>) = 0 [pid 11652] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5070] <... close resumed>) = 0 [ 339.396664][T11652] loop0: detected capacity change from 0 to 2048 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11654 attached [pid 5069] close(3 [pid 5068] close(3 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11654 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11653 ./strace-static-x86_64: Process 11653 attached [pid 11653] set_robust_list(0x555589d386a0, 24) = 0 [pid 11653] chdir("./344") = 0 [pid 11653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11653] setpgid(0, 0) = 0 [pid 11653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11654] set_robust_list(0x555589d386a0, 24 [pid 5069] <... close resumed>) = 0 [pid 11654] <... set_robust_list resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... close resumed>) = 0 [pid 11653] <... openat resumed>) = 3 [pid 11654] chdir("./341" [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11653] write(3, "1000", 4) = 4 [pid 11653] close(3./strace-static-x86_64: Process 11655 attached ) = 0 [pid 11655] set_robust_list(0x555589d386a0, 24 [pid 11653] symlink("/dev/binderfs", "./binderfs" [pid 11655] <... set_robust_list resumed>) = 0 [pid 11653] <... symlink resumed>) = 0 [pid 11655] chdir("./338") = 0 [pid 11653] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11653] <... futex resumed>) = 0 [pid 11655] <... prctl resumed>) = 0 [pid 11654] <... chdir resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11656 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11655 ./strace-static-x86_64: Process 11656 attached [pid 11655] setpgid(0, 0 [pid 11653] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11655] <... setpgid resumed>) = 0 [pid 11656] set_robust_list(0x555589d386a0, 24 [pid 11653] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11656] <... set_robust_list resumed>) = 0 [pid 11653] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11654] <... prctl resumed>) = 0 [pid 11656] chdir("./341" [pid 11654] setpgid(0, 0 [pid 11655] <... openat resumed>) = 3 [pid 11656] <... chdir resumed>) = 0 [pid 11653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11654] <... setpgid resumed>) = 0 [pid 11655] write(3, "1000", 4 [pid 11656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11655] <... write resumed>) = 4 [pid 11656] <... prctl resumed>) = 0 [pid 11653] <... mmap resumed>) = 0x7f43d3147000 [pid 11654] <... openat resumed>) = 3 [pid 11655] close(3 [pid 11656] setpgid(0, 0 [pid 11653] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11654] write(3, "1000", 4 [pid 11656] <... setpgid resumed>) = 0 [pid 11654] <... write resumed>) = 4 [pid 11655] <... close resumed>) = 0 [pid 11653] <... mprotect resumed>) = 0 [pid 11656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11654] close(3) = 0 [pid 11654] symlink("/dev/binderfs", "./binderfs" [pid 11655] symlink("/dev/binderfs", "./binderfs" [ 339.452265][T11652] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11653] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11655] <... symlink resumed>) = 0 [pid 11656] <... openat resumed>) = 3 [pid 11653] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11654] <... symlink resumed>) = 0 [pid 11653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11655] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11653] <... clone3 resumed> => {parent_tid=[11658]}, 88) = 11658 [pid 11655] <... futex resumed>) = 0 [pid 11653] rt_sigprocmask(SIG_SETMASK, [], [pid 11655] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11655] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11653] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11658 attached [pid 11655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11653] <... futex resumed>) = 0 [pid 11658] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11653] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11658] <... rseq resumed>) = 0 [pid 11655] <... mmap resumed>) = 0x7f43d3147000 [pid 11658] set_robust_list(0x7f43d31679a0, 24 [pid 11655] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11656] write(3, "1000", 4 [pid 11654] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11658] <... set_robust_list resumed>) = 0 [pid 11655] <... mprotect resumed>) = 0 [pid 11652] <... mount resumed>) = 0 [pid 11658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11658] memfd_create("syzkaller", 0) = 3 [pid 11655] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11658] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11652] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11655] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11652] <... openat resumed>) = 3 [pid 11656] <... write resumed>) = 4 [pid 11654] <... futex resumed>) = 0 [pid 11655] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11656] close(3 [pid 11654] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11652] chdir("./file0" [pid 11656] <... close resumed>) = 0 [pid 11654] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11656] symlink("/dev/binderfs", "./binderfs" [pid 11654] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11652] <... chdir resumed>) = 0 [pid 11655] <... clone3 resumed> => {parent_tid=[11659]}, 88) = 11659 [pid 11654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11652] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11656] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 11659 attached [pid 11658] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11655] rt_sigprocmask(SIG_SETMASK, [], [pid 11656] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11652] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11659] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11656] <... futex resumed>) = 0 [pid 11654] <... mmap resumed>) = 0x7f43d3147000 [pid 11659] <... rseq resumed>) = 0 [pid 11655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11656] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11654] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11652] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11659] set_robust_list(0x7f43d31679a0, 24 [pid 11655] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11652] <... futex resumed>) = 1 [pid 11659] <... set_robust_list resumed>) = 0 [pid 11655] <... futex resumed>) = 0 [pid 11652] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11659] rt_sigprocmask(SIG_SETMASK, [], [pid 11655] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11659] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11647] <... futex resumed>) = 0 [pid 11659] memfd_create("syzkaller", 0 [pid 11647] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11659] <... memfd_create resumed>) = 3 [pid 11652] <... futex resumed>) = 0 [pid 11647] <... futex resumed>) = 1 [pid 11659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11652] truncate("./file2", 0 [pid 11647] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11659] <... mmap resumed>) = 0x7f43cac00000 [pid 11656] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11654] <... mprotect resumed>) = 0 [ 339.519797][T11657] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11659] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11654] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11654] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11654] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11656] <... mmap resumed>) = 0x7f43d3147000 [pid 11656] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11656] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11661 attached ./strace-static-x86_64: Process 11660 attached => {parent_tid=[11661]}, 88) = 11661 [pid 11661] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11660] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11656] rt_sigprocmask(SIG_SETMASK, [], [pid 11654] <... clone3 resumed> => {parent_tid=[11660]}, 88) = 11660 [pid 11661] <... rseq resumed>) = 0 [pid 11660] <... rseq resumed>) = 0 [pid 11656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11654] rt_sigprocmask(SIG_SETMASK, [], [pid 11661] set_robust_list(0x7f43d31679a0, 24 [pid 11660] set_robust_list(0x7f43d31679a0, 24 [pid 11658] <... write resumed>) = 1048576 [pid 11656] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11656] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11654] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11654] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11661] <... set_robust_list resumed>) = 0 [pid 11660] <... set_robust_list resumed>) = 0 [pid 11658] munmap(0x7f43cac00000, 138412032) = 0 [pid 11661] rt_sigprocmask(SIG_SETMASK, [], [pid 11660] rt_sigprocmask(SIG_SETMASK, [], [pid 11661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11660] memfd_create("syzkaller", 0 [pid 11661] memfd_create("syzkaller", 0) = 3 [pid 11660] <... memfd_create resumed>) = 3 [pid 11658] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11661] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11660] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11658] <... openat resumed>) = 4 [pid 11661] <... mmap resumed>) = 0x7f43cac00000 [ 339.562390][T11652] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 339.588960][T11652] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11659] <... write resumed>) = 1048576 [pid 11661] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11660] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11658] ioctl(4, LOOP_SET_FD, 3 [pid 11647] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11659] munmap(0x7f43cac00000, 138412032 [pid 11658] <... ioctl resumed>) = 0 [pid 11658] close(3) = 0 [pid 11658] close(4) = 0 [pid 11658] mkdir("./file0", 0777) = 0 [pid 11658] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11647] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11652] <... truncate resumed>) = 0 [pid 11647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11659] <... munmap resumed>) = 0 [pid 11647] <... mmap resumed>) = 0x7f43d3126000 [pid 11647] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [ 339.614285][T11652] Remounting filesystem read-only [ 339.620234][T11658] loop4: detected capacity change from 0 to 2048 [ 339.629564][T11652] NILFS (loop0): error -5 truncating bmap (ino=16) [ 339.636926][T11658] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11647] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11652] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11659] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11652] <... futex resumed>) = 0 [pid 11659] <... openat resumed>) = 4 [pid 11659] ioctl(4, LOOP_SET_FD, 3 [pid 11652] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11647] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[11662]}, 88) = 11662 [pid 11647] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11662 attached [pid 11661] <... write resumed>) = 1048576 [pid 11660] <... write resumed>) = 1048576 [pid 11659] <... ioctl resumed>) = 0 [pid 11658] <... mount resumed>) = 0 [pid 11647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11662] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 11662] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11661] munmap(0x7f43cac00000, 138412032 [pid 11662] rt_sigprocmask(SIG_SETMASK, [], [pid 11661] <... munmap resumed>) = 0 [pid 11659] close(3 [pid 11662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11659] <... close resumed>) = 0 [pid 11662] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11659] close(4) = 0 [pid 11659] mkdir("./file0", 0777 [pid 11658] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11647] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11662] <... futex resumed>) = 0 [pid 11661] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11660] munmap(0x7f43cac00000, 138412032 [pid 11659] <... mkdir resumed>) = 0 [pid 11658] <... openat resumed>) = 3 [pid 11647] <... futex resumed>) = 1 [pid 11662] fspick(AT_FDCWD, ".", 0 [pid 11647] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11661] <... openat resumed>) = 4 [pid 11662] <... fspick resumed>) = 4 [pid 11662] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11661] ioctl(4, LOOP_SET_FD, 3 [ 339.661979][T11659] loop1: detected capacity change from 0 to 2048 [ 339.678209][T11663] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 339.702198][T11661] loop2: detected capacity change from 0 to 2048 [pid 11659] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11662] <... futex resumed>) = 1 [pid 11660] <... munmap resumed>) = 0 [pid 11658] chdir("./file0" [pid 11647] <... futex resumed>) = 0 [pid 11662] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11660] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11658] <... chdir resumed>) = 0 [pid 11647] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11652] <... futex resumed>) = 0 [pid 11652] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11658] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11647] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11661] <... ioctl resumed>) = 0 [pid 11660] <... openat resumed>) = 4 [pid 11658] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11652] <... fsconfig resumed>) = 0 [pid 11658] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11652] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11658] <... futex resumed>) = 1 [pid 11652] <... futex resumed>) = 1 [pid 11661] close(3 [pid 11660] ioctl(4, LOOP_SET_FD, 3 [pid 11658] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11653] <... futex resumed>) = 0 [pid 11652] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11647] <... futex resumed>) = 0 [pid 11661] <... close resumed>) = 0 [pid 11660] <... ioctl resumed>) = 0 [pid 11653] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11647] exit_group(0 [pid 11662] <... futex resumed>) = ? [pid 11661] close(4 [pid 11658] <... futex resumed>) = 0 [pid 11660] close(3 [pid 11653] <... futex resumed>) = 1 [pid 11647] <... exit_group resumed>) = ? [pid 11662] +++ exited with 0 +++ [pid 11660] <... close resumed>) = 0 [pid 11658] truncate("./file2", 0 [pid 11653] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11661] <... close resumed>) = 0 [pid 11660] close(4 [pid 11652] <... futex resumed>) = ? [pid 11661] mkdir("./file0", 0777 [pid 11660] <... close resumed>) = 0 [pid 11652] +++ exited with 0 +++ [pid 11647] +++ exited with 0 +++ [pid 11661] <... mkdir resumed>) = 0 [pid 11660] mkdir("./file0", 0777 [pid 11661] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11660] <... mkdir resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11647, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 11660] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5067] umount2("./341", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 339.711060][T11652] NILFS (loop0): mounting fs with errors [ 339.717705][T11659] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 339.730996][T11660] loop3: detected capacity change from 0 to 2048 [ 339.742214][T11658] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 5067] openat(AT_FDCWD, "./341", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./341/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./341/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./341/binderfs" [pid 11653] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] <... unlink resumed>) = 0 [pid 11653] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] umount2("./341/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11653] <... futex resumed>) = 0 [pid 11653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11653] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11659] <... mount resumed>) = 0 [pid 11653] <... mprotect resumed>) = 0 [ 339.762407][T11660] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 339.764075][T11664] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 339.772791][T11661] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 339.792856][T11658] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11653] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11659] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11653] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11659] <... openat resumed>) = 3 [pid 11659] chdir("./file0") = 0 ./strace-static-x86_64: Process 11665 attached [pid 11659] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11658] <... truncate resumed>) = 0 [pid 11665] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11659] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11658] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11653] <... clone3 resumed> => {parent_tid=[11665]}, 88) = 11665 [pid 11665] <... rseq resumed>) = 0 [pid 11659] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11658] <... futex resumed>) = 0 [pid 11653] rt_sigprocmask(SIG_SETMASK, [], [pid 11665] set_robust_list(0x7f43d31469a0, 24 [pid 11659] <... futex resumed>) = 1 [pid 11658] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11655] <... futex resumed>) = 0 [ 339.813111][T11658] Remounting filesystem read-only [ 339.818216][T11658] NILFS (loop4): error -5 truncating bmap (ino=16) [pid 11653] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11665] <... set_robust_list resumed>) = 0 [pid 11659] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11655] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11653] <... futex resumed>) = 0 [pid 11665] rt_sigprocmask(SIG_SETMASK, [], [pid 11659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11655] <... futex resumed>) = 0 [pid 11653] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11659] truncate("./file2", 0 [pid 11655] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11665] fspick(AT_FDCWD, ".", 0) = 4 [pid 5067] <... umount2 resumed>) = 0 [pid 11661] <... mount resumed>) = 0 [pid 5067] umount2("./341/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11661] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11661] <... openat resumed>) = 3 [pid 5067] newfstatat(AT_FDCWD, "./341/file0", [pid 11661] chdir("./file0" [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11661] <... chdir resumed>) = 0 [pid 5067] umount2("./341/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11661] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11661] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5067] openat(AT_FDCWD, "./341/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11661] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... openat resumed>) = 4 [pid 11661] <... futex resumed>) = 1 [pid 11656] <... futex resumed>) = 0 [pid 5067] newfstatat(4, "", [pid 11656] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11656] <... futex resumed>) = 0 [pid 11656] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] getdents64(4, [pid 11661] truncate("./file2", 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11665] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11660] <... mount resumed>) = 0 [pid 5067] getdents64(4, [pid 11660] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11660] <... openat resumed>) = 3 [pid 5067] close(4 [pid 11660] chdir("./file0" [pid 5067] <... close resumed>) = 0 [pid 11660] <... chdir resumed>) = 0 [pid 5067] rmdir("./341/file0" [pid 11660] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5067] <... rmdir resumed>) = 0 [pid 11660] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5067] getdents64(3, [pid 11660] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11660] <... futex resumed>) = 1 [pid 5067] close(3 [pid 11660] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11665] <... futex resumed>) = 1 [pid 11653] <... futex resumed>) = 0 [pid 11654] <... futex resumed>) = 0 [pid 11665] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11653] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [ 339.867650][T11659] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 339.870291][T11667] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 339.889811][T11661] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 339.889956][T11666] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11654] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... close resumed>) = 0 [pid 11660] truncate("./file2", 0 [pid 11658] <... futex resumed>) = 0 [pid 11653] <... futex resumed>) = 1 [pid 11654] <... futex resumed>) = 0 [pid 5067] rmdir("./341" [pid 11655] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11654] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11655] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11656] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11655] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11656] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11655] <... mprotect resumed>) = 0 [pid 11656] <... futex resumed>) = 0 [pid 11658] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11655] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11653] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11655] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11656] <... mmap resumed>) = 0x7f43d3126000 [pid 11655] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11656] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11655] <... clone3 resumed> => {parent_tid=[11668]}, 88) = 11668 [pid 11656] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11655] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... rmdir resumed>) = 0 [pid 11655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11656] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11655] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] mkdir("./342", 0777 [pid 11655] <... futex resumed>) = 0 [pid 11656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11668 attached [pid 11655] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... mkdir resumed>) = 0 [pid 11668] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 11659] <... truncate resumed>) = 0 [pid 11658] <... fsconfig resumed>) = 0 [pid 11656] <... clone3 resumed> => {parent_tid=[11669]}, 88) = 11669 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5067] <... openat resumed>) = 3 [pid 11656] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11656] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11669 attached [pid 11656] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11669] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 11669] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11669] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11669] fspick(AT_FDCWD, ".", 0) = 4 [pid 11669] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11656] <... futex resumed>) = 0 [pid 11656] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11656] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 339.911908][T11659] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 339.914844][T11660] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 339.924886][T11659] Remounting filesystem read-only [ 339.940127][T11658] NILFS (loop4): mounting fs with errors [ 339.947852][T11659] NILFS (loop1): error -5 truncating bmap (ino=16) [ 339.947859][T11661] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11669] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11668] set_robust_list(0x7f43d31469a0, 24 [pid 11659] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11658] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11668] <... set_robust_list resumed>) = 0 [pid 11659] <... futex resumed>) = 0 [pid 11658] <... futex resumed>) = 1 [pid 11659] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11658] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11653] <... futex resumed>) = 0 [pid 11668] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11668] fspick(AT_FDCWD, ".", 0) = 4 [pid 11668] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11655] <... futex resumed>) = 0 [pid 11655] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11654] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11659] <... futex resumed>) = 0 [pid 11655] <... futex resumed>) = 1 [pid 11654] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11659] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11655] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11654] <... futex resumed>) = 0 [pid 11668] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11660] <... truncate resumed>) = 0 [pid 11659] <... fsconfig resumed>) = 0 [pid 11653] exit_group(0 [pid 11654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11659] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11654] <... mmap resumed>) = 0x7f43d3126000 [pid 11659] <... futex resumed>) = 1 [pid 11655] <... futex resumed>) = 0 [pid 11654] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11659] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11655] exit_group(0 [pid 11654] <... mprotect resumed>) = 0 [pid 11665] <... futex resumed>) = ? [pid 11658] <... futex resumed>) = ? [pid 11653] <... exit_group resumed>) = ? [pid 11660] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11668] <... futex resumed>) = ? [pid 11665] +++ exited with 0 +++ [pid 11661] <... truncate resumed>) = 0 [pid 11660] <... futex resumed>) = 0 [pid 11659] <... futex resumed>) = ? [pid 11655] <... exit_group resumed>) = ? [pid 11660] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11661] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11661] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11654] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11668] +++ exited with 0 +++ [pid 11658] +++ exited with 0 +++ [pid 11656] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11653] +++ exited with 0 +++ [pid 5067] <... ioctl resumed>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11653, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 11654] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11654] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11659] +++ exited with 0 +++ [pid 11655] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11655, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- ./strace-static-x86_64: Process 11670 attached [pid 5067] close(3 [pid 11670] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 5067] <... close resumed>) = 0 [pid 11654] <... clone3 resumed> => {parent_tid=[11670]}, 88) = 11670 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11670] set_robust_list(0x7f43d31469a0, 24 [pid 5068] umount2("./338", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11654] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] umount2("./344", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11654] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] openat(AT_FDCWD, "./344", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 11671 attached [pid 11670] <... set_robust_list resumed>) = 0 [pid 11669] <... fsconfig resumed>) = 0 [pid 11654] <... futex resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11671] set_robust_list(0x555589d386a0, 24 [pid 11670] rt_sigprocmask(SIG_SETMASK, [], [pid 11669] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11654] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] newfstatat(3, "", [pid 5068] openat(AT_FDCWD, "./338", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11671 [pid 11671] <... set_robust_list resumed>) = 0 [pid 11670] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11669] <... futex resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11671] chdir("./342" [pid 11670] fspick(AT_FDCWD, ".", 0 [pid 11669] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11656] exit_group(0 [pid 5071] getdents64(3, [pid 5068] <... openat resumed>) = 3 [pid 11670] <... fspick resumed>) = 4 [pid 11669] <... futex resumed>) = ? [pid 11661] <... futex resumed>) = ? [pid 11656] <... exit_group resumed>) = ? [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11671] <... chdir resumed>) = 0 [pid 11670] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11669] +++ exited with 0 +++ [pid 11661] +++ exited with 0 +++ [pid 11656] +++ exited with 0 +++ [pid 5071] umount2("./344/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(3, "", [pid 11671] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11670] <... futex resumed>) = 1 [pid 11654] <... futex resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11656, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 11671] <... prctl resumed>) = 0 [pid 11670] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11654] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 339.948050][T11660] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 339.965920][T11661] Remounting filesystem read-only [ 339.974498][T11660] Remounting filesystem read-only [ 339.984503][T11660] NILFS (loop3): error -5 truncating bmap (ino=16) [ 339.989220][T11659] NILFS (loop1): mounting fs with errors [ 339.991689][T11661] NILFS (loop2): error -5 truncating bmap (ino=16) [ 340.004487][T11669] NILFS (loop2): mounting fs with errors [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11671] setpgid(0, 0 [pid 11660] <... futex resumed>) = 0 [pid 11654] <... futex resumed>) = 1 [pid 5071] newfstatat(AT_FDCWD, "./344/binderfs", [pid 11671] <... setpgid resumed>) = 0 [pid 11660] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11654] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(3, [pid 5069] umount2("./341", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./341", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./344/binderfs" [pid 11671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11660] <... fsconfig resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11660] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./341/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./338/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11660] <... futex resumed>) = 1 [pid 11654] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11660] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11654] exit_group(0 [pid 5069] newfstatat(AT_FDCWD, "./341/binderfs", [pid 5068] newfstatat(AT_FDCWD, "./338/binderfs", [pid 11670] <... futex resumed>) = ? [pid 11660] <... futex resumed>) = ? [pid 11654] <... exit_group resumed>) = ? [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11670] +++ exited with 0 +++ [pid 11660] +++ exited with 0 +++ [pid 5069] unlink("./341/binderfs" [pid 5068] unlink("./338/binderfs" [pid 5069] <... unlink resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5068] umount2("./338/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./341/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11654] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11654, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5070] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5070] umount2("./341", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./341", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11671] <... openat resumed>) = 3 [pid 5070] <... openat resumed>) = 3 [pid 5070] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11671] write(3, "1000", 4 [pid 5070] getdents64(3, [pid 11671] <... write resumed>) = 4 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11671] close(3) = 0 [pid 5070] umount2("./341/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11671] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... unlink resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11671] <... symlink resumed>) = 0 [pid 5070] newfstatat(AT_FDCWD, "./341/binderfs", [pid 11671] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11671] <... futex resumed>) = 0 [pid 5070] unlink("./341/binderfs" [pid 11671] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 5071] umount2("./344/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11671] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5070] <... unlink resumed>) = 0 [pid 11671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] umount2("./341/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11671] <... mmap resumed>) = 0x7f43d3147000 [pid 11671] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5070] umount2("./341/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./341/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] newfstatat(AT_FDCWD, "./341/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./341/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] newfstatat(AT_FDCWD, "./341/file0", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./341/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] umount2("./341/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... openat resumed>) = 4 [pid 5070] newfstatat(4, "", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] openat(AT_FDCWD, "./341/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] getdents64(4, [pid 5069] <... openat resumed>) = 4 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] newfstatat(4, "", [pid 5068] umount2("./338/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(4) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] rmdir("./341/file0" [pid 5069] getdents64(4, [pid 5068] newfstatat(AT_FDCWD, "./338/file0", [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] getdents64(3, [pid 5069] getdents64(4, [pid 5068] umount2("./338/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11671] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] close(3 [pid 5069] close(4 [pid 5068] openat(AT_FDCWD, "./338/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 11671] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] rmdir("./341/file0" [pid 5068] newfstatat(4, "", [pid 5070] rmdir("./341" [pid 11671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 11672 attached [pid 5069] getdents64(3, [pid 5070] <... rmdir resumed>) = 0 [pid 5068] getdents64(4, [pid 11672] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11671] <... clone3 resumed> => {parent_tid=[11672]}, 88) = 11672 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [ 340.041738][T11660] NILFS (loop3): mounting fs with errors [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11672] <... rseq resumed>) = 0 [pid 11671] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] mkdir("./342", 0777 [pid 5069] close(3 [pid 5068] getdents64(4, [pid 11672] set_robust_list(0x7f43d31679a0, 24 [pid 11671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 11672] <... set_robust_list resumed>) = 0 [pid 11671] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... mkdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11672] rt_sigprocmask(SIG_SETMASK, [], [pid 11671] <... futex resumed>) = 0 [pid 5071] umount2("./344/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] rmdir("./341" [pid 5068] close(4 [pid 11672] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11671] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5068] rmdir("./338/file0" [pid 5069] <... rmdir resumed>) = 0 [pid 11672] memfd_create("syzkaller", 0 [pid 5069] mkdir("./342", 0777 [pid 5071] newfstatat(AT_FDCWD, "./344/file0", [pid 5068] <... rmdir resumed>) = 0 [pid 11672] <... memfd_create resumed>) = 3 [pid 11672] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] getdents64(3, [pid 5071] umount2("./344/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5071] openat(AT_FDCWD, "./344/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... openat resumed>) = 3 [pid 5068] close(3 [pid 5071] <... openat resumed>) = 4 [pid 5068] <... close resumed>) = 0 [pid 5071] newfstatat(4, "", [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] rmdir("./338" [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5071] getdents64(4, [pid 11672] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] mkdir("./339", 0777 [pid 5071] close(4) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5071] rmdir("./344/file0") = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11672] <... write resumed>) = 1048576 [pid 5071] getdents64(3, [pid 5070] <... ioctl resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 11672] munmap(0x7f43cac00000, 138412032 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11672] <... munmap resumed>) = 0 [pid 5071] close(3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5071] <... close resumed>) = 0 [pid 11672] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5070] close(3 [pid 11672] <... openat resumed>) = 4 [pid 5071] rmdir("./344" [pid 5070] <... close resumed>) = 0 [pid 11672] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11673 attached [pid 5071] mkdir("./345", 0777 [pid 11673] set_robust_list(0x555589d386a0, 24 [pid 5071] <... mkdir resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11673 [pid 11673] <... set_robust_list resumed>) = 0 [pid 11673] chdir("./342" [pid 11672] <... ioctl resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] <... ioctl resumed>) = 0 [pid 11673] <... chdir resumed>) = 0 [pid 11672] close(3 [pid 5071] <... openat resumed>) = 3 [pid 5069] close(3 [pid 11673] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11672] <... close resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 11673] <... prctl resumed>) = 0 [pid 11672] close(4 [pid 11673] setpgid(0, 0 [pid 11672] <... close resumed>) = 0 [pid 11673] <... setpgid resumed>) = 0 [pid 11673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11672] mkdir("./file0", 0777 [pid 5069] <... close resumed>) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11673] <... openat resumed>) = 3 [pid 11672] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 11674 attached [pid 11673] write(3, "1000", 4) = 4 [pid 11672] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11674] set_robust_list(0x555589d386a0, 24 [pid 11673] close(3 [pid 11674] <... set_robust_list resumed>) = 0 [pid 11673] <... close resumed>) = 0 [pid 11673] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11674 [pid 11673] <... symlink resumed>) = 0 [pid 5068] close(3 [pid 11674] chdir("./342" [pid 11673] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 11674] <... chdir resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11675 attached [pid 11674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11673] <... futex resumed>) = 0 [pid 11675] set_robust_list(0x555589d386a0, 24 [pid 11673] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11675] <... set_robust_list resumed>) = 0 [pid 11673] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11674] <... prctl resumed>) = 0 [pid 11673] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11675] chdir("./339" [pid 11674] setpgid(0, 0 [pid 11673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11675] <... chdir resumed>) = 0 [pid 11674] <... setpgid resumed>) = 0 [pid 11673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11673] <... mmap resumed>) = 0x7f43d3147000 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11675 [pid 11675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11674] <... openat resumed>) = 3 [pid 11675] <... prctl resumed>) = 0 [pid 11674] write(3, "1000", 4 [pid 11673] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11674] <... write resumed>) = 4 [pid 11675] setpgid(0, 0) = 0 [pid 11673] <... mprotect resumed>) = 0 [pid 11674] close(3) = 0 [pid 11674] symlink("/dev/binderfs", "./binderfs" [pid 11673] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11674] <... symlink resumed>) = 0 [pid 11675] <... openat resumed>) = 3 [pid 11674] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11675] write(3, "1000", 4 [pid 11674] <... futex resumed>) = 0 [pid 11673] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11675] <... write resumed>) = 4 [pid 11674] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [ 340.167090][T11672] loop0: detected capacity change from 0 to 2048 [ 340.206189][T11672] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11675] close(3 [pid 11674] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 11676 attached [pid 11675] <... close resumed>) = 0 [pid 11674] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5071] <... ioctl resumed>) = 0 [pid 11676] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11675] symlink("/dev/binderfs", "./binderfs" [pid 11674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11673] <... clone3 resumed> => {parent_tid=[11676]}, 88) = 11676 [pid 5071] close(3 [pid 11676] <... rseq resumed>) = 0 [pid 11675] <... symlink resumed>) = 0 [pid 11674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11673] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] <... close resumed>) = 0 [pid 11676] set_robust_list(0x7f43d31679a0, 24 [pid 11675] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11674] <... mmap resumed>) = 0x7f43d3147000 [pid 11673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11676] <... set_robust_list resumed>) = 0 [pid 11675] <... futex resumed>) = 0 [pid 11673] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11676] rt_sigprocmask(SIG_SETMASK, [], [pid 11674] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11673] <... futex resumed>) = 0 [pid 11676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11675] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11673] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11676] memfd_create("syzkaller", 0 [pid 11675] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11676] <... memfd_create resumed>) = 3 [pid 11675] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 11678 attached [pid 11674] <... mprotect resumed>) = 0 [pid 11672] <... mount resumed>) = 0 [pid 11674] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11672] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11672] chdir("./file0" [pid 11678] set_robust_list(0x555589d386a0, 24 [pid 11672] <... chdir resumed>) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11678 [pid 11672] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11674] <... clone3 resumed> => {parent_tid=[11679]}, 88) = 11679 [pid 11678] <... set_robust_list resumed>) = 0 [pid 11676] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11674] rt_sigprocmask(SIG_SETMASK, [], [pid 11672] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11676] <... mmap resumed>) = 0x7f43cac00000 [pid 11675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11672] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11678] chdir("./345" [pid 11675] <... mmap resumed>) = 0x7f43d3147000 [pid 11674] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11672] <... futex resumed>) = 1 ./strace-static-x86_64: Process 11679 attached [pid 11675] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11674] <... futex resumed>) = 0 [pid 11672] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11671] <... futex resumed>) = 0 [pid 11674] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11671] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11672] <... futex resumed>) = 0 [pid 11671] <... futex resumed>) = 1 [pid 11679] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11678] <... chdir resumed>) = 0 [pid 11675] <... mprotect resumed>) = 0 [pid 11672] truncate("./file2", 0 [pid 11671] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11678] prctl(PR_SET_PDEATHSIG, SIGKILL [ 340.256903][T11677] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 340.295536][T11672] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11675] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11676] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11679] <... rseq resumed>) = 0 [pid 11678] <... prctl resumed>) = 0 [pid 11675] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11679] set_robust_list(0x7f43d31679a0, 24 [pid 11678] setpgid(0, 0./strace-static-x86_64: Process 11680 attached ) = 0 [pid 11679] <... set_robust_list resumed>) = 0 [pid 11680] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11679] rt_sigprocmask(SIG_SETMASK, [], [pid 11678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11680] <... rseq resumed>) = 0 [pid 11679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11678] <... openat resumed>) = 3 [pid 11675] <... clone3 resumed> => {parent_tid=[11680]}, 88) = 11680 [pid 11680] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11679] memfd_create("syzkaller", 0 [pid 11680] rt_sigprocmask(SIG_SETMASK, [], [pid 11679] <... memfd_create resumed>) = 3 [pid 11678] write(3, "1000", 4 [pid 11676] <... write resumed>) = 1048576 [pid 11675] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11680] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11679] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11678] <... write resumed>) = 4 [pid 11675] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11675] <... futex resumed>) = 0 [pid 11678] close(3 [pid 11679] <... mmap resumed>) = 0x7f43cac00000 [pid 11680] memfd_create("syzkaller", 0 [pid 11678] <... close resumed>) = 0 [pid 11676] munmap(0x7f43cac00000, 138412032 [pid 11675] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11672] <... truncate resumed>) = 0 [pid 11671] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11671] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11678] symlink("/dev/binderfs", "./binderfs" [pid 11671] <... futex resumed>) = 0 [pid 11680] <... memfd_create resumed>) = 3 [pid 11671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11672] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11671] <... mmap resumed>) = 0x7f43d3126000 [pid 11672] <... futex resumed>) = 0 [pid 11671] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11676] <... munmap resumed>) = 0 [pid 11672] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11671] <... mprotect resumed>) = 0 [pid 11680] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11678] <... symlink resumed>) = 0 [pid 11680] <... mmap resumed>) = 0x7f43cac00000 [pid 11678] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11671] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11678] <... futex resumed>) = 0 [pid 11671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11678] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11671] <... clone3 resumed> => {parent_tid=[11681]}, 88) = 11681 [pid 11678] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11671] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11681 attached [pid 11678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11681] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11676] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11671] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11681] <... rseq resumed>) = 0 [pid 11678] <... mmap resumed>) = 0x7f43d3147000 [pid 11671] <... futex resumed>) = 0 [pid 11681] set_robust_list(0x7f43d31469a0, 24 [pid 11678] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11676] <... openat resumed>) = 4 [pid 11671] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11681] <... set_robust_list resumed>) = 0 [pid 11678] <... mprotect resumed>) = 0 [pid 11681] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 340.307252][T11672] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 340.325054][T11672] Remounting filesystem read-only [ 340.334569][T11672] NILFS (loop0): error -5 truncating bmap (ino=16) [pid 11681] fspick(AT_FDCWD, ".", 0) = 4 [pid 11678] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11681] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11671] <... futex resumed>) = 0 [pid 11681] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11671] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11672] <... futex resumed>) = 0 [pid 11671] <... futex resumed>) = 1 [pid 11672] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11671] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11678] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11676] ioctl(4, LOOP_SET_FD, 3 [pid 11672] <... fsconfig resumed>) = 0 [pid 11672] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11671] <... futex resumed>) = 0 [pid 11672] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11671] exit_group(0 [pid 11681] <... futex resumed>) = ? [pid 11672] <... futex resumed>) = ? [pid 11671] <... exit_group resumed>) = ? [pid 11681] +++ exited with 0 +++ [pid 11672] +++ exited with 0 +++ [pid 11671] +++ exited with 0 +++ [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11671, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5067] umount2("./342", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 11682 attached [pid 5067] openat(AT_FDCWD, "./342", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11682] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11678] <... clone3 resumed> => {parent_tid=[11682]}, 88) = 11682 [pid 5067] <... openat resumed>) = 3 [pid 11682] <... rseq resumed>) = 0 [pid 11680] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11678] rt_sigprocmask(SIG_SETMASK, [], [pid 11676] <... ioctl resumed>) = 0 [pid 5067] newfstatat(3, "", [pid 11682] set_robust_list(0x7f43d31679a0, 24 [pid 11678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11682] <... set_robust_list resumed>) = 0 [pid 11678] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] getdents64(3, [pid 11682] rt_sigprocmask(SIG_SETMASK, [], [pid 11678] <... futex resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11678] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11676] close(3 [pid 5067] umount2("./342/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11682] memfd_create("syzkaller", 0 [pid 11676] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11682] <... memfd_create resumed>) = 3 [pid 11676] close(4 [pid 5067] newfstatat(AT_FDCWD, "./342/binderfs", [pid 11682] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11676] <... close resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11682] <... mmap resumed>) = 0x7f43cac00000 [pid 11676] mkdir("./file0", 0777 [pid 5067] unlink("./342/binderfs" [pid 11679] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5067] <... unlink resumed>) = 0 [pid 5067] umount2("./342/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11676] <... mkdir resumed>) = 0 [pid 11676] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [ 340.368686][T11672] NILFS (loop0): mounting fs with errors [ 340.378104][T11676] loop3: detected capacity change from 0 to 2048 [pid 11682] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11679] <... write resumed>) = 1048576 [pid 11679] munmap(0x7f43cac00000, 138412032) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 11680] <... write resumed>) = 1048576 [pid 11679] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11680] munmap(0x7f43cac00000, 138412032 [pid 11679] ioctl(4, LOOP_SET_FD, 3 [pid 11680] <... munmap resumed>) = 0 [pid 5067] umount2("./342/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./342/file0", [pid 11680] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11680] <... openat resumed>) = 4 [pid 5067] umount2("./342/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./342/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 11680] ioctl(4, LOOP_SET_FD, 3 [pid 11679] <... ioctl resumed>) = 0 [pid 11682] <... write resumed>) = 1048576 [ 340.425755][T11676] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 340.448732][T11679] loop2: detected capacity change from 0 to 2048 [ 340.466929][T11680] loop1: detected capacity change from 0 to 2048 [pid 11679] close(3 [pid 5067] newfstatat(4, "", [pid 11682] munmap(0x7f43cac00000, 138412032 [pid 11679] <... close resumed>) = 0 [pid 11682] <... munmap resumed>) = 0 [pid 11679] close(4 [pid 11680] <... ioctl resumed>) = 0 [pid 11682] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11679] <... close resumed>) = 0 [pid 11676] <... mount resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11682] <... openat resumed>) = 4 [pid 11680] close(3 [pid 11679] mkdir("./file0", 0777 [pid 11676] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] getdents64(4, [pid 11680] <... close resumed>) = 0 [pid 11676] <... openat resumed>) = 3 [pid 11682] ioctl(4, LOOP_SET_FD, 3 [pid 11680] close(4 [pid 11679] <... mkdir resumed>) = 0 [pid 11676] chdir("./file0" [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11682] <... ioctl resumed>) = 0 [pid 11680] <... close resumed>) = 0 [pid 11679] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11680] mkdir("./file0", 0777 [pid 11676] <... chdir resumed>) = 0 [pid 11680] <... mkdir resumed>) = 0 [pid 11676] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11676] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11673] <... futex resumed>) = 0 [ 340.473691][T11683] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 340.499989][T11682] loop4: detected capacity change from 0 to 2048 [ 340.514349][T11679] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11676] truncate("./file2", 0 [pid 11673] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11673] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11680] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11682] close(3) = 0 [pid 11682] close(4) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 5067] rmdir("./342/file0" [pid 11682] mkdir("./file0", 0777 [pid 5067] <... rmdir resumed>) = 0 [pid 5067] getdents64(3, [pid 11682] <... mkdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] close(3 [pid 11682] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5067] <... close resumed>) = 0 [pid 11673] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11673] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [ 340.526772][T11680] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 340.526796][T11676] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 340.563399][T11676] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11673] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5067] rmdir("./342" [pid 11673] <... mprotect resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5067] mkdir("./343", 0777 [pid 11673] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] <... mkdir resumed>) = 0 [pid 11673] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[11685]}, 88) = 11685 [pid 11673] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 11685 attached [pid 11679] <... mount resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11685] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 5067] <... openat resumed>) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11685] <... rseq resumed>) = 0 [pid 11685] set_robust_list(0x7f43d31469a0, 24 [pid 11679] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11673] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11685] <... set_robust_list resumed>) = 0 [pid 11685] rt_sigprocmask(SIG_SETMASK, [], [pid 11679] <... openat resumed>) = 3 [pid 11673] <... futex resumed>) = 0 [pid 11679] chdir("./file0" [pid 11673] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11679] <... chdir resumed>) = 0 [pid 11679] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11679] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11676] <... truncate resumed>) = 0 [pid 11685] fspick(AT_FDCWD, ".", 0) = 4 [pid 11685] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11685] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11680] <... mount resumed>) = 0 [ 340.579002][T11684] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 340.591062][T11676] Remounting filesystem read-only [ 340.601486][T11682] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 340.603656][T11686] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 340.613670][T11676] NILFS (loop3): error -5 truncating bmap (ino=16) [pid 11679] <... futex resumed>) = 1 [pid 11676] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11674] <... futex resumed>) = 0 [pid 11673] <... futex resumed>) = 0 [pid 11676] <... futex resumed>) = 0 [pid 11674] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11676] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11674] <... futex resumed>) = 0 [pid 11674] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11679] truncate("./file2", 0 [pid 11673] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11676] <... futex resumed>) = 0 [pid 11673] <... futex resumed>) = 1 [pid 11676] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11673] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11676] <... fsconfig resumed>) = 0 [pid 11676] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11673] <... futex resumed>) = 0 [pid 11676] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11673] exit_group(0 [pid 11685] <... futex resumed>) = ? [pid 11676] <... futex resumed>) = ? [pid 11673] <... exit_group resumed>) = ? [pid 11685] +++ exited with 0 +++ [pid 11680] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11680] chdir("./file0") = 0 [pid 11676] +++ exited with 0 +++ [pid 11673] +++ exited with 0 +++ [pid 5067] <... ioctl resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11673, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5070] umount2("./342", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./342", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11680] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5070] <... openat resumed>) = 3 [pid 11680] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5070] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./342/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] close(3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... close resumed>) = 0 [pid 5070] newfstatat(AT_FDCWD, "./342/binderfs", [pid 11680] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] unlink("./342/binderfs") = 0 [pid 5070] umount2("./342/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11680] <... futex resumed>) = 1 [pid 11680] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11675] <... futex resumed>) = 0 [pid 11675] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11680] <... futex resumed>) = 0 [pid 11680] truncate("./file2", 0 [pid 11682] <... mount resumed>) = 0 [pid 11682] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 11688 attached [pid 11682] chdir("./file0" [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11688 [pid 11682] <... chdir resumed>) = 0 [ 340.637662][T11676] NILFS (loop3): mounting fs with errors [ 340.637787][T11679] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 340.657792][T11687] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11682] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11688] set_robust_list(0x555589d386a0, 24 [pid 11682] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11675] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11674] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11688] <... set_robust_list resumed>) = 0 [pid 11682] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11674] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11682] <... futex resumed>) = 1 [pid 11678] <... futex resumed>) = 0 [pid 11688] chdir("./343" [pid 11674] <... futex resumed>) = 0 [pid 11688] <... chdir resumed>) = 0 [pid 11682] truncate("./file2", 0 [pid 11678] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11678] <... futex resumed>) = 0 [pid 11678] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11674] <... mmap resumed>) = 0x7f43d3126000 [pid 11674] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11674] <... mprotect resumed>) = 0 [pid 11688] <... prctl resumed>) = 0 [pid 11674] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11688] setpgid(0, 0 [pid 11674] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11688] <... setpgid resumed>) = 0 [pid 11674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11689 attached [pid 11688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11689] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11674] <... clone3 resumed> => {parent_tid=[11689]}, 88) = 11689 [pid 11689] <... rseq resumed>) = 0 [pid 11688] <... openat resumed>) = 3 [pid 11674] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11688] write(3, "1000", 4 [pid 11674] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11689] set_robust_list(0x7f43d31469a0, 24 [pid 11688] <... write resumed>) = 4 [pid 11674] <... futex resumed>) = 0 [ 340.680837][T11680] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 340.695265][T11682] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 340.696578][T11679] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 340.717664][T11680] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 340.724821][T11682] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11689] <... set_robust_list resumed>) = 0 [pid 11688] close(3 [pid 11675] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11674] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... umount2 resumed>) = 0 [pid 11689] rt_sigprocmask(SIG_SETMASK, [], [pid 11688] <... close resumed>) = 0 [pid 11678] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11675] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11678] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11675] <... futex resumed>) = 0 [pid 11678] <... futex resumed>) = 0 [pid 11675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11675] <... mmap resumed>) = 0x7f43d3126000 [pid 11678] <... mmap resumed>) = 0x7f43d3126000 [pid 11675] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11678] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11675] <... mprotect resumed>) = 0 [pid 11689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11688] symlink("/dev/binderfs", "./binderfs" [pid 11678] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11675] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11678] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11675] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11691 attached ./strace-static-x86_64: Process 11690 attached [pid 5070] umount2("./342/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11691] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11690] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11678] <... clone3 resumed> => {parent_tid=[11690]}, 88) = 11690 [pid 11675] <... clone3 resumed> => {parent_tid=[11691]}, 88) = 11691 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11691] <... rseq resumed>) = 0 [pid 11690] <... rseq resumed>) = 0 [pid 11678] rt_sigprocmask(SIG_SETMASK, [], [pid 11675] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] newfstatat(AT_FDCWD, "./342/file0", [pid 11691] set_robust_list(0x7f43d31469a0, 24 [pid 11690] set_robust_list(0x7f43d31469a0, 24 [pid 11678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11691] <... set_robust_list resumed>) = 0 [pid 11690] <... set_robust_list resumed>) = 0 [pid 11689] fspick(AT_FDCWD, ".", 0 [pid 11688] <... symlink resumed>) = 0 [pid 11678] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11675] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11678] <... futex resumed>) = 0 [pid 11675] <... futex resumed>) = 0 [pid 11678] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11675] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11691] rt_sigprocmask(SIG_SETMASK, [], [pid 11690] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] umount2("./342/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11690] fspick(AT_FDCWD, ".", 0 [pid 5070] openat(AT_FDCWD, "./342/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11691] fspick(AT_FDCWD, ".", 0 [pid 11690] <... fspick resumed>) = 4 [pid 5070] <... openat resumed>) = 4 [pid 11691] <... fspick resumed>) = 4 [pid 11690] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] newfstatat(4, "", [pid 11690] <... futex resumed>) = 1 [pid 11678] <... futex resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11691] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11690] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11678] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] getdents64(4, [pid 11678] <... futex resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11678] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11688] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] close(4 [pid 11689] <... fspick resumed>) = 4 [pid 11688] <... futex resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 11691] <... futex resumed>) = 1 [pid 11675] <... futex resumed>) = 0 [pid 5070] rmdir("./342/file0" [pid 11675] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11689] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11688] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11675] <... futex resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 11675] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] getdents64(3, [pid 11691] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11689] <... futex resumed>) = 1 [pid 11688] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11674] <... futex resumed>) = 0 [pid 5070] close(3 [pid 11680] <... truncate resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 11680] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] rmdir("./342") = 0 [pid 11680] <... futex resumed>) = 0 [pid 11680] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] mkdir("./343", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [ 340.740301][T11680] Remounting filesystem read-only [ 340.750042][T11682] Remounting filesystem read-only [ 340.755051][T11680] NILFS (loop1): error -5 truncating bmap (ino=16) [ 340.757755][T11679] Remounting filesystem read-only [ 340.771957][T11679] NILFS (loop2): error -5 truncating bmap (ino=16) [ 340.773537][T11691] NILFS (loop1): mounting fs with errors [pid 5070] ioctl(3, LOOP_CLR_FD [pid 11689] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11674] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11674] <... futex resumed>) = 0 [pid 11691] <... fsconfig resumed>) = 0 [pid 11689] <... fsconfig resumed>) = 0 [pid 11688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11682] <... truncate resumed>) = 0 [pid 11679] <... truncate resumed>) = 0 [pid 11674] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11691] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11690] <... fsconfig resumed>) = 0 [pid 11689] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11688] <... mmap resumed>) = 0x7f43d3147000 [pid 11682] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11679] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11675] <... futex resumed>) = 0 [pid 11691] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11690] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11679] <... futex resumed>) = 0 [pid 11688] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11675] exit_group(0 [pid 11691] <... futex resumed>) = ? [pid 11690] <... futex resumed>) = 1 [pid 11689] <... futex resumed>) = 0 [pid 11682] <... futex resumed>) = 0 [pid 11680] <... futex resumed>) = ? [pid 11679] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11678] <... futex resumed>) = 0 [pid 11675] <... exit_group resumed>) = ? [pid 11691] +++ exited with 0 +++ [pid 11690] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11689] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11688] <... mprotect resumed>) = 0 [pid 11682] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11680] +++ exited with 0 +++ [pid 11678] exit_group(0 [pid 11674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11690] <... futex resumed>) = ? [pid 11688] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11682] <... futex resumed>) = ? [pid 11678] <... exit_group resumed>) = ? [pid 11675] +++ exited with 0 +++ [pid 11674] exit_group(0 [pid 11690] +++ exited with 0 +++ [pid 11689] <... futex resumed>) = ? [pid 11688] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11682] +++ exited with 0 +++ [pid 11679] <... futex resumed>) = ? [pid 11674] <... exit_group resumed>) = ? [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11675, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11689] +++ exited with 0 +++ [pid 11688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11679] +++ exited with 0 +++ ./strace-static-x86_64: Process 11692 attached [pid 11678] +++ exited with 0 +++ [pid 11692] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11688] <... clone3 resumed> => {parent_tid=[11692]}, 88) = 11692 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11678, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 11688] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11688] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11692] <... rseq resumed>) = 0 [pid 11688] <... futex resumed>) = 0 [pid 11692] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11688] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5071] umount2("./345", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11692] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11692] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] openat(AT_FDCWD, "./345", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./339", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11692] memfd_create("syzkaller", 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./339", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11692] <... memfd_create resumed>) = 3 [pid 5071] <... openat resumed>) = 3 [pid 5068] <... openat resumed>) = 3 [pid 11692] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11674] +++ exited with 0 +++ [pid 5071] newfstatat(3, "", [pid 5068] newfstatat(3, "", [pid 11692] <... mmap resumed>) = 0x7f43cac00000 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11674, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, [pid 5068] getdents64(3, [pid 5069] umount2("./342", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] openat(AT_FDCWD, "./342", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] umount2("./345/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] newfstatat(3, "", [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] umount2("./339/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] newfstatat(AT_FDCWD, "./345/binderfs", [pid 5069] getdents64(3, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11692] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] newfstatat(AT_FDCWD, "./339/binderfs", [pid 5071] unlink("./345/binderfs" [pid 5069] umount2("./342/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] unlink("./339/binderfs" [pid 5069] newfstatat(AT_FDCWD, "./342/binderfs", [pid 5068] <... unlink resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] umount2("./345/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] unlink("./342/binderfs" [pid 5068] umount2("./339/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... unlink resumed>) = 0 [pid 5069] umount2("./342/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... ioctl resumed>) = 0 [ 340.778981][T11682] NILFS (loop4): error -5 truncating bmap (ino=16) [ 340.792026][T11689] NILFS (loop2): mounting fs with errors [ 340.793193][T11690] NILFS (loop4): mounting fs with errors [pid 5071] <... umount2 resumed>) = 0 [pid 5070] close(3 [pid 5069] <... umount2 resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11692] <... write resumed>) = 1048576 ./strace-static-x86_64: Process 11693 attached [pid 11693] set_robust_list(0x555589d386a0, 24 [pid 11692] munmap(0x7f43cac00000, 138412032 [pid 5071] umount2("./345/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11693] <... set_robust_list resumed>) = 0 [pid 11692] <... munmap resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11693 [pid 5069] umount2("./342/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11693] chdir("./343" [pid 5071] newfstatat(AT_FDCWD, "./345/file0", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] newfstatat(AT_FDCWD, "./342/file0", [pid 5071] umount2("./345/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./339/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./342/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] openat(AT_FDCWD, "./345/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... openat resumed>) = 4 [pid 5069] openat(AT_FDCWD, "./342/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] newfstatat(AT_FDCWD, "./339/file0", [pid 11693] <... chdir resumed>) = 0 [pid 5071] newfstatat(4, "", [pid 11693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11692] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] getdents64(4, [pid 5069] newfstatat(4, "", [pid 5068] umount2("./339/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11693] <... prctl resumed>) = 0 [pid 11692] <... openat resumed>) = 4 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11693] setpgid(0, 0 [pid 11692] ioctl(4, LOOP_SET_FD, 3 [pid 5071] getdents64(4, [pid 11693] <... setpgid resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(4, [pid 5068] openat(AT_FDCWD, "./339/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] close(4 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] <... openat resumed>) = 4 [pid 5071] <... close resumed>) = 0 [pid 5069] getdents64(4, [pid 5071] rmdir("./345/file0" [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] newfstatat(4, "", [pid 5069] close(4 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] getdents64(4, [pid 5071] getdents64(3, [pid 5069] rmdir("./342/file0" [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] close(3 [pid 5068] getdents64(4, [pid 11693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... close resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] close(4 [pid 5071] rmdir("./345" [pid 5069] getdents64(3, [pid 5068] <... close resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] rmdir("./339/file0" [pid 11693] <... openat resumed>) = 3 [pid 5069] close(3 [pid 5068] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./342") = 0 [pid 5071] mkdir("./346", 0777) = 0 [pid 5068] getdents64(3, [pid 5069] mkdir("./343", 0777 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5068] rmdir("./339" [pid 11693] write(3, "1000", 4 [pid 5071] <... openat resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11693] <... write resumed>) = 4 [pid 5069] <... openat resumed>) = 3 [pid 5068] <... rmdir resumed>) = 0 [pid 11693] close(3 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] mkdir("./340", 0777 [pid 11693] <... close resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 11693] symlink("/dev/binderfs", "./binderfs" [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11693] <... symlink resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 11693] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11692] <... ioctl resumed>) = 0 [pid 11693] <... futex resumed>) = 0 [pid 11692] close(3) = 0 [pid 11693] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11692] close(4 [pid 11693] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11692] <... close resumed>) = 0 [pid 11693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11692] mkdir("./file0", 0777 [pid 11693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11693] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11692] <... mkdir resumed>) = 0 [pid 11693] <... mprotect resumed>) = 0 [pid 11693] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11692] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} => {parent_tid=[11694]}, 88) = 11694 ./strace-static-x86_64: Process 11694 attached [pid 11693] rt_sigprocmask(SIG_SETMASK, [], [pid 11694] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11694] <... rseq resumed>) = 0 [pid 11693] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11694] set_robust_list(0x7f43d31679a0, 24) = 0 [ 340.884348][T11692] loop0: detected capacity change from 0 to 2048 [pid 11693] <... futex resumed>) = 0 [pid 11694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11693] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11694] memfd_create("syzkaller", 0) = 3 [pid 5071] <... ioctl resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 11694] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] close(3 [pid 11694] <... mmap resumed>) = 0x7f43cac00000 [pid 5071] <... close resumed>) = 0 [pid 5069] close(3 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11695 attached [pid 11694] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5069] <... close resumed>) = 0 [pid 11695] set_robust_list(0x555589d386a0, 24) = 0 [pid 11695] chdir("./346") = 0 [pid 11695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 11695] setpgid(0, 0) = 0 [pid 11695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11695] write(3, "1000", 4) = 4 [pid 11695] close(3) = 0 [pid 11695] symlink("/dev/binderfs", "./binderfs" [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11695] <... symlink resumed>) = 0 [pid 11695] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11695] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11695 [pid 11695] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11695] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11697 [pid 11695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11695] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 11697 attached [pid 11695] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11697] set_robust_list(0x555589d386a0, 24) = 0 [pid 11695] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11692] <... mount resumed>) = 0 [pid 5068] close(3 [pid 11697] chdir("./343" [pid 11695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11692] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] <... close resumed>) = 0 [pid 11697] <... chdir resumed>) = 0 [pid 11692] <... openat resumed>) = 3 [pid 11697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11695] <... clone3 resumed> => {parent_tid=[11698]}, 88) = 11698 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11697] <... prctl resumed>) = 0 [pid 11697] setpgid(0, 0 [pid 11692] chdir("./file0"./strace-static-x86_64: Process 11698 attached [pid 11695] rt_sigprocmask(SIG_SETMASK, [], [pid 11697] <... setpgid resumed>) = 0 [pid 11692] <... chdir resumed>) = 0 [pid 11698] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11692] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11698] <... rseq resumed>) = 0 [pid 11697] <... openat resumed>) = 3 [pid 11695] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11692] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11698] set_robust_list(0x7f43d31679a0, 24 [pid 11697] write(3, "1000", 4 [pid 11695] <... futex resumed>) = 0 [pid 11692] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11698] <... set_robust_list resumed>) = 0 [pid 11695] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11698] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11697] <... write resumed>) = 4 [pid 11692] <... futex resumed>) = 1 [pid 11688] <... futex resumed>) = 0 [pid 11698] memfd_create("syzkaller", 0 [pid 11697] close(3 [pid 11692] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11688] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11698] <... memfd_create resumed>) = 3 [pid 11697] <... close resumed>) = 0 [ 340.958216][T11692] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 340.997871][T11696] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11688] <... futex resumed>) = 0 [pid 11698] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11697] symlink("/dev/binderfs", "./binderfs" [pid 11692] truncate("./file2", 0 [pid 11688] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11699 attached [pid 11698] <... mmap resumed>) = 0x7f43cac00000 [pid 11697] <... symlink resumed>) = 0 [pid 11694] <... write resumed>) = 1048576 [pid 11699] set_robust_list(0x555589d386a0, 24 [pid 11697] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11699] <... set_robust_list resumed>) = 0 [pid 11697] <... futex resumed>) = 0 [pid 11699] chdir("./340" [pid 11697] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11699] <... chdir resumed>) = 0 [pid 11697] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11699] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11697] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11699] <... prctl resumed>) = 0 [pid 11697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11699 [pid 11699] setpgid(0, 0 [pid 11697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11699] <... setpgid resumed>) = 0 [pid 11697] <... mmap resumed>) = 0x7f43d3147000 [pid 11699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11697] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11699] <... openat resumed>) = 3 [pid 11697] <... mprotect resumed>) = 0 [pid 11699] write(3, "1000", 4 [pid 11697] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11699] <... write resumed>) = 4 [pid 11697] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11699] close(3 [pid 11698] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11694] munmap(0x7f43cac00000, 138412032./strace-static-x86_64: Process 11700 attached [pid 11699] <... close resumed>) = 0 [pid 11700] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11699] symlink("/dev/binderfs", "./binderfs" [pid 11700] <... rseq resumed>) = 0 [pid 11699] <... symlink resumed>) = 0 [pid 11697] <... clone3 resumed> => {parent_tid=[11700]}, 88) = 11700 [pid 11700] set_robust_list(0x7f43d31679a0, 24 [pid 11699] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11697] rt_sigprocmask(SIG_SETMASK, [], [pid 11700] <... set_robust_list resumed>) = 0 [pid 11699] <... futex resumed>) = 0 [pid 11700] rt_sigprocmask(SIG_SETMASK, [], [pid 11699] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11699] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11697] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11700] memfd_create("syzkaller", 0 [pid 11699] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11697] <... futex resumed>) = 0 [pid 11700] <... memfd_create resumed>) = 3 [pid 11699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11700] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11697] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11700] <... mmap resumed>) = 0x7f43cac00000 [pid 11699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11694] <... munmap resumed>) = 0 [pid 11699] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11699] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} => {parent_tid=[11701]}, 88) = 11701 [pid 11699] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11699] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11699] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11701 attached [pid 11701] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 11701] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11701] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11701] memfd_create("syzkaller", 0) = 3 [pid 11701] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11700] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11701] <... mmap resumed>) = 0x7f43cac00000 [pid 11698] <... write resumed>) = 1048576 [ 341.031047][T11692] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 341.057765][T11692] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11694] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11698] munmap(0x7f43cac00000, 138412032 [pid 11694] <... openat resumed>) = 4 [pid 11694] ioctl(4, LOOP_SET_FD, 3 [pid 11698] <... munmap resumed>) = 0 [pid 11688] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11688] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11698] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11688] <... futex resumed>) = 0 [pid 11698] <... openat resumed>) = 4 [pid 11688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11688] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11698] ioctl(4, LOOP_SET_FD, 3 [pid 11688] <... mprotect resumed>) = 0 [pid 11688] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[11702]}, 88) = 11702 [pid 11688] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11688] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11688] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11702 attached [pid 11694] <... ioctl resumed>) = 0 [pid 11702] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 11702] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11702] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11702] fspick(AT_FDCWD, ".", 0) = 4 [pid 11702] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11688] <... futex resumed>) = 0 [pid 11702] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11688] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11701] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11698] <... ioctl resumed>) = 0 [pid 11694] close(3 [pid 11692] <... truncate resumed>) = 0 [pid 11688] <... futex resumed>) = 0 [pid 11698] close(3 [pid 11694] <... close resumed>) = 0 [pid 11692] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11688] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11698] <... close resumed>) = 0 [pid 11694] close(4 [pid 11692] <... futex resumed>) = 0 [pid 11698] close(4 [pid 11694] <... close resumed>) = 0 [pid 11692] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11700] <... write resumed>) = 1048576 [pid 11694] mkdir("./file0", 0777 [pid 11698] <... close resumed>) = 0 [pid 11702] <... fsconfig resumed>) = 0 [pid 11701] <... write resumed>) = 1048576 [pid 11700] munmap(0x7f43cac00000, 138412032 [pid 11698] mkdir("./file0", 0777 [pid 11694] <... mkdir resumed>) = 0 [pid 11702] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11688] <... futex resumed>) = 0 [pid 11702] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11688] exit_group(0 [pid 11702] <... futex resumed>) = ? [pid 11698] <... mkdir resumed>) = 0 [pid 11692] <... futex resumed>) = ? [pid 11688] <... exit_group resumed>) = ? [pid 11702] +++ exited with 0 +++ [pid 11701] munmap(0x7f43cac00000, 138412032 [pid 11700] <... munmap resumed>) = 0 [pid 11698] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11694] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11692] +++ exited with 0 +++ [pid 11688] +++ exited with 0 +++ [ 341.084323][T11694] loop3: detected capacity change from 0 to 2048 [ 341.097441][T11698] loop4: detected capacity change from 0 to 2048 [ 341.109455][T11692] Remounting filesystem read-only [ 341.114665][T11692] NILFS (loop0): error -5 truncating bmap (ino=16) [ 341.114719][T11702] NILFS (loop0): mounting fs with errors [pid 11701] <... munmap resumed>) = 0 [pid 11700] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11701] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11700] <... openat resumed>) = 4 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11688, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 11701] <... openat resumed>) = 4 [pid 11700] ioctl(4, LOOP_SET_FD, 3 [pid 11701] ioctl(4, LOOP_SET_FD, 3 [pid 5067] umount2("./343", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./343", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11700] <... ioctl resumed>) = 0 [pid 11700] close(3 [pid 5067] <... openat resumed>) = 3 [pid 11700] <... close resumed>) = 0 [pid 11700] close(4) = 0 [ 341.164309][T11698] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 341.178824][T11700] loop2: detected capacity change from 0 to 2048 [ 341.179749][T11694] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 341.187451][T11701] loop1: detected capacity change from 0 to 2048 [pid 11700] mkdir("./file0", 0777) = 0 [pid 11700] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11701] <... ioctl resumed>) = 0 [pid 11701] close(3) = 0 [pid 11701] close(4) = 0 [pid 11701] mkdir("./file0", 0777) = 0 [pid 11701] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5067] umount2("./343/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./343/binderfs", [pid 11698] <... mount resumed>) = 0 [pid 11698] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11698] <... openat resumed>) = 3 [pid 5067] unlink("./343/binderfs" [pid 11698] chdir("./file0") = 0 [pid 5067] <... unlink resumed>) = 0 [ 341.220239][T11700] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 341.229903][T11703] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 341.243134][T11701] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 5067] umount2("./343/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11700] <... mount resumed>) = 0 [pid 11698] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11701] <... mount resumed>) = 0 [pid 11700] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11698] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11701] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11700] <... openat resumed>) = 3 [pid 11698] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11694] <... mount resumed>) = 0 [pid 11700] chdir("./file0" [pid 11698] <... futex resumed>) = 1 [pid 11695] <... futex resumed>) = 0 [pid 11694] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11701] <... openat resumed>) = 3 [pid 11701] chdir("./file0" [pid 11700] <... chdir resumed>) = 0 [pid 11698] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11695] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11694] <... openat resumed>) = 3 [pid 11701] <... chdir resumed>) = 0 [pid 11700] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 341.269577][T11704] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 341.274205][T11705] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 341.302465][T11706] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11695] <... futex resumed>) = 0 [pid 11694] chdir("./file0" [pid 11701] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11700] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11698] truncate("./file2", 0 [pid 11695] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11694] <... chdir resumed>) = 0 [pid 11701] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11700] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11701] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11700] <... futex resumed>) = 1 [pid 11697] <... futex resumed>) = 0 [pid 11694] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5067] <... umount2 resumed>) = 0 [pid 11700] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11697] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11694] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11697] <... futex resumed>) = 0 [pid 11694] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11700] truncate("./file2", 0 [pid 11697] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11694] <... futex resumed>) = 1 [pid 11693] <... futex resumed>) = 0 [pid 11694] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11693] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11693] <... futex resumed>) = 0 [pid 11694] truncate("./file2", 0 [pid 11693] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11701] <... futex resumed>) = 1 [pid 11699] <... futex resumed>) = 0 [pid 5067] umount2("./343/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11701] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./343/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./343/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./343/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 5067] rmdir("./343/file0" [pid 11699] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... rmdir resumed>) = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] close(3) = 0 [pid 11701] <... futex resumed>) = 0 [pid 11699] <... futex resumed>) = 1 [pid 5067] rmdir("./343" [pid 11701] truncate("./file2", 0 [pid 11699] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... rmdir resumed>) = 0 [pid 5067] mkdir("./344", 0777) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 341.320610][T11698] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 341.333930][T11698] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 341.345530][T11694] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 341.356575][T11700] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 341.356638][T11700] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 341.371875][T11701] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 341.379397][T11694] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 341.388387][T11700] Remounting filesystem read-only [ 341.398003][T11694] Remounting filesystem read-only [ 341.407615][T11694] NILFS (loop3): error -5 truncating bmap (ino=16) [ 341.410266][T11698] Remounting filesystem read-only [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11697] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11695] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11693] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11697] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11695] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11694] <... truncate resumed>) = 0 [pid 11693] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11700] <... truncate resumed>) = 0 [pid 11697] <... futex resumed>) = 0 [pid 11695] <... futex resumed>) = 0 [pid 11694] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11693] <... futex resumed>) = 0 [pid 11700] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11694] <... futex resumed>) = 0 [pid 11693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11700] <... futex resumed>) = 0 [pid 11694] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11695] <... mmap resumed>) = 0x7f43d3126000 [pid 11700] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11697] <... mmap resumed>) = 0x7f43d3126000 [pid 11695] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11693] <... mmap resumed>) = 0x7f43d3126000 [pid 11697] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11699] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11697] <... mprotect resumed>) = 0 [pid 11695] <... mprotect resumed>) = 0 [pid 11693] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11699] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11697] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11695] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11693] <... mprotect resumed>) = 0 [pid 11699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11699] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11699] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11701] <... truncate resumed>) = 0 [pid 11699] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11698] <... truncate resumed>) = 0 [pid 11697] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11695] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11693] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] <... ioctl resumed>) = 0 [pid 11701] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11698] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11693] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 11709 attached ./strace-static-x86_64: Process 11708 attached ./strace-static-x86_64: Process 11707 attached [pid 11701] <... futex resumed>) = 0 [pid 11698] <... futex resumed>) = 0 [pid 11693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5067] close(3 [pid 11709] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11708] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11707] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11701] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11699] <... clone3 resumed> => {parent_tid=[11707]}, 88) = 11707 [pid 11698] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11697] <... clone3 resumed> => {parent_tid=[11708]}, 88) = 11708 [pid 11695] <... clone3 resumed> => {parent_tid=[11709]}, 88) = 11709 [pid 5067] <... close resumed>) = 0 ./strace-static-x86_64: Process 11710 attached [pid 11709] <... rseq resumed>) = 0 [pid 11708] <... rseq resumed>) = 0 [pid 11707] <... rseq resumed>) = 0 [pid 11699] rt_sigprocmask(SIG_SETMASK, [], [pid 11697] rt_sigprocmask(SIG_SETMASK, [], [pid 11695] rt_sigprocmask(SIG_SETMASK, [], [pid 11693] <... clone3 resumed> => {parent_tid=[11710]}, 88) = 11710 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11710] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11709] set_robust_list(0x7f43d31469a0, 24 [pid 11708] set_robust_list(0x7f43d31469a0, 24 [pid 11707] set_robust_list(0x7f43d31469a0, 24 [pid 11699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11693] rt_sigprocmask(SIG_SETMASK, [], [pid 11710] <... rseq resumed>) = 0 [pid 11709] <... set_robust_list resumed>) = 0 [pid 11708] <... set_robust_list resumed>) = 0 [pid 11699] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11697] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11695] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11693] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 11711 attached [pid 11710] set_robust_list(0x7f43d31469a0, 24 [pid 11709] rt_sigprocmask(SIG_SETMASK, [], [pid 11708] rt_sigprocmask(SIG_SETMASK, [], [pid 11707] <... set_robust_list resumed>) = 0 [pid 11699] <... futex resumed>) = 0 [pid 11697] <... futex resumed>) = 0 [pid 11695] <... futex resumed>) = 0 [pid 11693] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11711] set_robust_list(0x555589d386a0, 24 [pid 11710] <... set_robust_list resumed>) = 0 [pid 11709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11707] rt_sigprocmask(SIG_SETMASK, [], [pid 11699] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11697] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11695] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11693] <... futex resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11711 [pid 11711] <... set_robust_list resumed>) = 0 [pid 11710] rt_sigprocmask(SIG_SETMASK, [], [pid 11709] fspick(AT_FDCWD, ".", 0 [pid 11708] fspick(AT_FDCWD, ".", 0 [pid 11707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11693] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11711] chdir("./344" [pid 11710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11709] <... fspick resumed>) = 4 [pid 11708] <... fspick resumed>) = 4 [pid 11707] fspick(AT_FDCWD, ".", 0 [pid 11711] <... chdir resumed>) = 0 [pid 11710] fspick(AT_FDCWD, ".", 0 [pid 11709] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11708] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11707] <... fspick resumed>) = 4 [pid 11711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11710] <... fspick resumed>) = 4 [pid 11709] <... futex resumed>) = 1 [pid 11708] <... futex resumed>) = 1 [pid 11707] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11697] <... futex resumed>) = 0 [pid 11695] <... futex resumed>) = 0 [pid 11711] <... prctl resumed>) = 0 [pid 11710] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11709] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11708] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11707] <... futex resumed>) = 1 [pid 11699] <... futex resumed>) = 0 [pid 11697] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11695] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11711] setpgid(0, 0 [pid 11710] <... futex resumed>) = 1 [pid 11707] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11700] <... futex resumed>) = 0 [pid 11699] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11698] <... futex resumed>) = 0 [pid 11697] <... futex resumed>) = 1 [pid 11695] <... futex resumed>) = 1 [pid 11693] <... futex resumed>) = 0 [pid 11711] <... setpgid resumed>) = 0 [pid 11710] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11701] <... futex resumed>) = 0 [ 341.414598][T11701] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 341.423322][T11698] NILFS (loop4): error -5 truncating bmap (ino=16) [ 341.429137][T11700] NILFS (loop2): error -5 truncating bmap (ino=16) [ 341.444793][T11701] Remounting filesystem read-only [ 341.450853][T11701] NILFS (loop1): error -5 truncating bmap (ino=16) [pid 11700] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11699] <... futex resumed>) = 1 [pid 11698] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11697] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11695] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11693] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11701] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11693] <... futex resumed>) = 1 [pid 11711] <... openat resumed>) = 3 [pid 11693] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11711] write(3, "1000", 4) = 4 [pid 11711] close(3 [pid 11700] <... fsconfig resumed>) = 0 [pid 11699] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11698] <... fsconfig resumed>) = 0 [pid 11694] <... futex resumed>) = 0 [pid 11698] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11694] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11698] <... futex resumed>) = 1 [pid 11695] <... futex resumed>) = 0 [pid 11695] exit_group(0) = ? [pid 11711] <... close resumed>) = 0 [pid 11709] <... futex resumed>) = ? [pid 11711] symlink("/dev/binderfs", "./binderfs" [pid 11709] +++ exited with 0 +++ [pid 11700] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11711] <... symlink resumed>) = 0 [pid 11700] <... futex resumed>) = 1 [pid 11711] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11700] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11701] <... fsconfig resumed>) = 0 [pid 11711] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11701] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11697] <... futex resumed>) = 0 [pid 11694] <... fsconfig resumed>) = 0 [pid 11711] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11701] <... futex resumed>) = 1 [pid 11699] <... futex resumed>) = 0 [pid 11698] +++ exited with 0 +++ [pid 11697] exit_group(0 [pid 11695] +++ exited with 0 +++ [pid 11694] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11701] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11699] exit_group(0 [pid 11711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11708] <... futex resumed>) = ? [pid 11707] <... futex resumed>) = ? [pid 11701] <... futex resumed>) = ? [pid 11700] <... futex resumed>) = ? [pid 11699] <... exit_group resumed>) = ? [pid 11697] <... exit_group resumed>) = ? [pid 11694] <... futex resumed>) = 1 [pid 11693] <... futex resumed>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11695, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 11711] <... mmap resumed>) = 0x7f43d3147000 [pid 11708] +++ exited with 0 +++ [pid 11707] +++ exited with 0 +++ [pid 11700] +++ exited with 0 +++ [pid 11693] exit_group(0 [pid 11711] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11710] <... futex resumed>) = ? [pid 11693] <... exit_group resumed>) = ? [pid 11711] <... mprotect resumed>) = 0 [pid 11710] +++ exited with 0 +++ [pid 11701] +++ exited with 0 +++ [pid 11699] +++ exited with 0 +++ [pid 11711] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] umount2("./346", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11699, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11711] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5071] openat(AT_FDCWD, "./346", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 11712 attached [pid 11697] +++ exited with 0 +++ [pid 5071] <... openat resumed>) = 3 [pid 5068] umount2("./340", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11712] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11711] <... clone3 resumed> => {parent_tid=[11712]}, 88) = 11712 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11697, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11712] <... rseq resumed>) = 0 [pid 11711] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] newfstatat(3, "", [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5068] openat(AT_FDCWD, "./340", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11712] set_robust_list(0x7f43d31679a0, 24 [pid 11711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11694] +++ exited with 0 +++ [pid 11693] +++ exited with 0 +++ [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 11712] <... set_robust_list resumed>) = 0 [pid 11711] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] getdents64(3, [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11693, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5068] newfstatat(3, "", [pid 11712] rt_sigprocmask(SIG_SETMASK, [], [pid 11711] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11711] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./343", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(3, [pid 11712] memfd_create("syzkaller", 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11712] <... memfd_create resumed>) = 3 [pid 5071] umount2("./346/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11712] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] openat(AT_FDCWD, "./343", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./346/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... openat resumed>) = 3 [pid 11712] <... mmap resumed>) = 0x7f43cac00000 [pid 5071] unlink("./346/binderfs" [pid 5068] umount2("./340/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... unlink resumed>) = 0 [pid 5070] umount2("./343", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] newfstatat(3, "", [pid 5071] umount2("./346/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11712] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./343", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] getdents64(3, [pid 5068] newfstatat(AT_FDCWD, "./340/binderfs", [pid 5070] <... openat resumed>) = 3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 341.491197][T11700] NILFS (loop2): mounting fs with errors [ 341.496953][T11698] NILFS (loop4): mounting fs with errors [ 341.498046][T11701] NILFS (loop1): mounting fs with errors [ 341.511212][T11694] NILFS (loop3): mounting fs with errors [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11712] <... write resumed>) = 1048576 [pid 5071] <... umount2 resumed>) = 0 [pid 5070] newfstatat(3, "", [pid 5068] unlink("./340/binderfs" [pid 5069] umount2("./343/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] umount2("./346/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./346/file0", [pid 5068] <... unlink resumed>) = 0 [pid 11712] munmap(0x7f43cac00000, 138412032 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] getdents64(3, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] umount2("./346/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./343/binderfs", [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] openat(AT_FDCWD, "./346/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] umount2("./343/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] newfstatat(4, "", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./340/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(4, [pid 11712] <... munmap resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] unlink("./343/binderfs" [pid 5071] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5070] newfstatat(AT_FDCWD, "./343/binderfs", [pid 5071] rmdir("./346/file0") = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 11712] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] getdents64(3, [pid 5070] unlink("./343/binderfs" [pid 11712] <... openat resumed>) = 4 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] umount2("./343/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11712] ioctl(4, LOOP_SET_FD, 3 [pid 5071] close(3 [pid 5070] <... unlink resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./346") = 0 [pid 5071] mkdir("./347", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] umount2("./343/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11712] <... ioctl resumed>) = 0 [pid 11712] close(3 [pid 5070] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 11712] <... close resumed>) = 0 [pid 5069] umount2("./343/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./343/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11712] close(4 [pid 5070] newfstatat(AT_FDCWD, "./343/file0", [pid 5068] umount2("./340/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11712] <... close resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] newfstatat(AT_FDCWD, "./343/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] umount2("./343/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11712] mkdir("./file0", 0777 [pid 5070] umount2("./343/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "./343/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] newfstatat(AT_FDCWD, "./340/file0", [pid 5069] <... openat resumed>) = 4 [pid 5069] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] close(4 [pid 5070] openat(AT_FDCWD, "./343/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... close resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5069] rmdir("./343/file0" [pid 5070] newfstatat(4, "", [pid 5069] <... rmdir resumed>) = 0 [pid 5068] umount2("./340/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11712] <... mkdir resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11712] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5071] <... ioctl resumed>) = 0 [pid 5069] getdents64(3, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(4, [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] close(3 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] <... close resumed>) = 0 [pid 5070] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] rmdir("./343" [pid 5070] close(4 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./340/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./343/file0" [pid 5069] mkdir("./344", 0777 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [ 341.582343][T11712] loop0: detected capacity change from 0 to 2048 [pid 5071] close(3 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] getdents64(3, [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] newfstatat(4, "", [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 11713 attached [pid 5070] close(3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11713] set_robust_list(0x555589d386a0, 24 [pid 5070] <... close resumed>) = 0 [pid 5068] getdents64(4, [pid 11713] <... set_robust_list resumed>) = 0 [pid 11713] chdir("./347" [pid 5070] rmdir("./343" [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11713] <... chdir resumed>) = 0 [pid 11713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11713] setpgid(0, 0) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5068] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] close(4 [pid 11713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... close resumed>) = 0 [pid 11713] <... openat resumed>) = 3 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11713 [pid 5070] mkdir("./344", 0777 [pid 5068] rmdir("./340/file0" [pid 11713] write(3, "1000", 4) = 4 [pid 11713] close(3) = 0 [pid 11713] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... rmdir resumed>) = 0 [pid 11713] <... symlink resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 11713] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11713] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5068] getdents64(3, [pid 11713] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11713] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11712] <... mount resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11713] <... mprotect resumed>) = 0 [pid 11713] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11712] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11713] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11712] <... openat resumed>) = 3 [pid 11713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [ 341.624950][T11712] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 341.664882][T11714] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11712] chdir("./file0") = 0 ./strace-static-x86_64: Process 11715 attached [pid 11713] <... clone3 resumed> => {parent_tid=[11715]}, 88) = 11715 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5068] close(3 [pid 11712] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5068] <... close resumed>) = 0 [pid 11715] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11713] rt_sigprocmask(SIG_SETMASK, [], [pid 11715] <... rseq resumed>) = 0 [pid 11713] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11712] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./340" [pid 11715] set_robust_list(0x7f43d31679a0, 24 [pid 11713] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... ioctl resumed>) = 0 [pid 11715] <... set_robust_list resumed>) = 0 [pid 11713] <... futex resumed>) = 0 [pid 11715] rt_sigprocmask(SIG_SETMASK, [], [pid 11713] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11715] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11715] memfd_create("syzkaller", 0 [pid 11712] <... futex resumed>) = 1 [pid 11711] <... futex resumed>) = 0 [pid 5069] close(3 [pid 5068] <... rmdir resumed>) = 0 [pid 11712] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11711] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11711] <... futex resumed>) = 0 [pid 11712] truncate("./file2", 0 [pid 11711] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] mkdir("./341", 0777 [pid 5069] <... close resumed>) = 0 [pid 11715] <... memfd_create resumed>) = 3 [pid 11715] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... mkdir resumed>) = 0 [pid 11715] <... mmap resumed>) = 0x7f43cac00000 ./strace-static-x86_64: Process 11716 attached [pid 11715] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11716 [pid 5068] <... openat resumed>) = 3 [pid 11716] set_robust_list(0x555589d386a0, 24 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 11716] <... set_robust_list resumed>) = 0 [pid 11716] chdir("./344") = 0 [pid 11712] <... truncate resumed>) = 0 [pid 11712] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11712] <... futex resumed>) = 1 [pid 11711] <... futex resumed>) = 0 [pid 11715] <... write resumed>) = 1048576 [pid 11712] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11711] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11712] fspick(AT_FDCWD, ".", 0 [pid 11711] <... futex resumed>) = 0 [pid 11712] <... fspick resumed>) = 4 [pid 11711] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11712] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11711] <... futex resumed>) = 0 [pid 11711] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11712] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11711] <... futex resumed>) = 0 [ 341.700719][T11712] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 341.712147][T11712] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 341.723814][T11712] Remounting filesystem read-only [ 341.731154][T11712] NILFS (loop0): error -5 truncating bmap (ino=16) [pid 11715] munmap(0x7f43cac00000, 138412032 [pid 11711] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11715] <... munmap resumed>) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 11716] setpgid(0, 0 [pid 11715] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11712] <... fsconfig resumed>) = 0 [pid 5070] close(3 [pid 11716] <... setpgid resumed>) = 0 [pid 11715] <... openat resumed>) = 4 [pid 11712] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... close resumed>) = 0 [pid 11715] ioctl(4, LOOP_SET_FD, 3 [pid 11712] <... futex resumed>) = 1 [pid 11711] <... futex resumed>) = 0 [pid 11712] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11715] <... ioctl resumed>) = 0 [pid 11711] exit_group(0 [pid 11716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11715] close(3 [pid 11712] <... futex resumed>) = ? [pid 11711] <... exit_group resumed>) = ? [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11717 attached [pid 11716] <... openat resumed>) = 3 [pid 11715] <... close resumed>) = 0 [pid 11712] +++ exited with 0 +++ [pid 11711] +++ exited with 0 +++ [pid 11716] write(3, "1000", 4 [pid 11715] close(4 [pid 11716] <... write resumed>) = 4 [pid 11715] <... close resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11711, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 11717] set_robust_list(0x555589d386a0, 24 [pid 11716] close(3 [pid 11715] mkdir("./file0", 0777 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11717 [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 11717] <... set_robust_list resumed>) = 0 [pid 11716] <... close resumed>) = 0 [pid 11715] <... mkdir resumed>) = 0 [pid 5067] <... restart_syscall resumed>) = 0 [pid 11717] chdir("./344" [pid 5068] <... ioctl resumed>) = 0 [pid 5067] umount2("./344", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./344", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./344/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11717] <... chdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] newfstatat(AT_FDCWD, "./344/binderfs", [pid 11717] <... prctl resumed>) = 0 [pid 11716] symlink("/dev/binderfs", "./binderfs" [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11717] setpgid(0, 0 [pid 11716] <... symlink resumed>) = 0 [pid 5067] unlink("./344/binderfs" [pid 11717] <... setpgid resumed>) = 0 [pid 11716] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... unlink resumed>) = 0 [pid 11717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11716] <... futex resumed>) = 0 [pid 11715] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [ 341.753688][T11712] NILFS (loop0): mounting fs with errors [ 341.770798][T11715] loop4: detected capacity change from 0 to 2048 [pid 5067] umount2("./344/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11716] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5068] close(3 [pid 11717] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11717] write(3, "1000", 4 [pid 11716] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11717] <... write resumed>) = 4 [pid 11716] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11717] close(3 [pid 11716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11717] <... close resumed>) = 0 [pid 11716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11717] symlink("/dev/binderfs", "./binderfs" [pid 11716] <... mmap resumed>) = 0x7f43d3147000 ./strace-static-x86_64: Process 11718 attached [pid 11717] <... symlink resumed>) = 0 [pid 11716] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11717] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11716] <... mprotect resumed>) = 0 [pid 11718] set_robust_list(0x555589d386a0, 24 [pid 11717] <... futex resumed>) = 0 [pid 11716] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11718 [pid 11716] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11717] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11717] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11716] <... clone3 resumed> => {parent_tid=[11719]}, 88) = 11719 [pid 11717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11716] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11716] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11717] <... mmap resumed>) = 0x7f43d3147000 [pid 11717] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11717] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11719 attached ./strace-static-x86_64: Process 11720 attached [pid 11718] <... set_robust_list resumed>) = 0 [pid 11719] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11717] <... clone3 resumed> => {parent_tid=[11720]}, 88) = 11720 [pid 11720] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11719] <... rseq resumed>) = 0 [pid 11718] chdir("./341" [pid 11717] rt_sigprocmask(SIG_SETMASK, [], [pid 11720] <... rseq resumed>) = 0 [pid 11718] <... chdir resumed>) = 0 [pid 11720] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11720] rt_sigprocmask(SIG_SETMASK, [], [pid 11719] set_robust_list(0x7f43d31679a0, 24 [pid 11718] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 11720] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11719] <... set_robust_list resumed>) = 0 [pid 11718] <... prctl resumed>) = 0 [pid 11717] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11719] rt_sigprocmask(SIG_SETMASK, [], [pid 11717] <... futex resumed>) = 0 [pid 11718] setpgid(0, 0 [pid 11720] memfd_create("syzkaller", 0) = 3 [pid 11719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11718] <... setpgid resumed>) = 0 [pid 11717] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11720] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11719] memfd_create("syzkaller", 0 [pid 11718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11720] <... mmap resumed>) = 0x7f43cac00000 [pid 11719] <... memfd_create resumed>) = 3 [pid 11719] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11718] <... openat resumed>) = 3 [ 341.809158][T11715] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11718] write(3, "1000", 4) = 4 [pid 5067] umount2("./344/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./344/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./344/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 11720] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11719] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11718] close(3 [pid 11715] <... mount resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./344/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11718] <... close resumed>) = 0 [pid 11715] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11718] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11715] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 4 [pid 11715] chdir("./file0" [pid 5067] newfstatat(4, "", [pid 11715] <... chdir resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11715] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] getdents64(4, [pid 11715] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11718] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11715] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] close(4) = 0 [pid 5067] rmdir("./344/file0" [pid 11718] <... futex resumed>) = 0 [pid 11715] <... futex resumed>) = 1 [pid 11713] <... futex resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 11718] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11715] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11713] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] getdents64(3, [pid 11718] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11713] <... futex resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11715] truncate("./file2", 0 [pid 5067] close(3 [pid 11718] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11713] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... close resumed>) = 0 [pid 11718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] rmdir("./344" [pid 11718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] <... rmdir resumed>) = 0 [pid 11719] <... write resumed>) = 1048576 [pid 11718] <... mmap resumed>) = 0x7f43d3147000 [pid 5067] mkdir("./345", 0777) = 0 [ 341.861143][T11721] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 341.901214][T11715] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11720] <... write resumed>) = 1048576 [pid 11719] munmap(0x7f43cac00000, 138412032 [pid 11718] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11720] munmap(0x7f43cac00000, 138412032 [pid 11719] <... munmap resumed>) = 0 [pid 11718] <... mprotect resumed>) = 0 [pid 11720] <... munmap resumed>) = 0 [pid 11718] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11720] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11719] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11718] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11720] <... openat resumed>) = 4 [pid 11719] <... openat resumed>) = 4 [pid 11718] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11719] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 11722 attached [pid 11720] ioctl(4, LOOP_SET_FD, 3 [pid 11718] <... clone3 resumed> => {parent_tid=[11722]}, 88) = 11722 [pid 11715] <... truncate resumed>) = 0 [pid 11722] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 11718] rt_sigprocmask(SIG_SETMASK, [], [pid 11715] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11722] set_robust_list(0x7f43d31679a0, 24 [pid 11718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11715] <... futex resumed>) = 1 [pid 11713] <... futex resumed>) = 0 [pid 11722] <... set_robust_list resumed>) = 0 [pid 11718] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11715] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11713] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11722] rt_sigprocmask(SIG_SETMASK, [], [pid 11718] <... futex resumed>) = 0 [pid 11715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11713] <... futex resumed>) = 0 [pid 11722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11718] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11715] fspick(AT_FDCWD, ".", 0 [pid 11713] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11722] memfd_create("syzkaller", 0 [pid 11715] <... fspick resumed>) = 4 [pid 11722] <... memfd_create resumed>) = 3 [pid 11722] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11715] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11722] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11715] <... futex resumed>) = 1 [pid 11713] <... futex resumed>) = 0 [pid 11713] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11713] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11715] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11720] <... ioctl resumed>) = 0 [pid 11719] <... ioctl resumed>) = 0 [pid 11720] close(3 [pid 11719] close(3 [pid 11720] <... close resumed>) = 0 [pid 11719] <... close resumed>) = 0 [pid 11720] close(4 [pid 11719] close(4 [pid 11720] <... close resumed>) = 0 [pid 11719] <... close resumed>) = 0 [pid 11720] mkdir("./file0", 0777) = 0 [pid 11719] mkdir("./file0", 0777 [pid 5067] <... ioctl resumed>) = 0 [pid 11719] <... mkdir resumed>) = 0 [pid 5067] close(3) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11723 attached , child_tidptr=0x555589d38690) = 11723 [pid 11723] set_robust_list(0x555589d386a0, 24) = 0 [pid 11723] chdir("./345" [pid 11715] <... fsconfig resumed>) = 0 [pid 11723] <... chdir resumed>) = 0 [ 341.912143][T11715] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 341.922486][T11715] Remounting filesystem read-only [ 341.927658][T11715] NILFS (loop4): error -5 truncating bmap (ino=16) [ 341.932303][T11719] loop2: detected capacity change from 0 to 2048 [ 341.942420][T11720] loop3: detected capacity change from 0 to 2048 [ 341.948577][T11715] NILFS (loop4): mounting fs with errors [pid 11720] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11719] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11715] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11713] <... futex resumed>) = 0 [pid 11713] exit_group(0) = ? [pid 11723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11715] <... futex resumed>) = ? [pid 11715] +++ exited with 0 +++ [pid 11713] +++ exited with 0 +++ [pid 11723] <... prctl resumed>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11713, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 11723] setpgid(0, 0) = 0 [pid 5071] umount2("./347", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11722] <... write resumed>) = 1048576 [pid 11723] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11723] write(3, "1000", 4 [pid 5071] openat(AT_FDCWD, "./347", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11723] <... write resumed>) = 4 [ 341.985282][T11719] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 341.995294][T11720] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11723] close(3 [pid 11722] munmap(0x7f43cac00000, 138412032 [pid 5071] <... openat resumed>) = 3 [pid 11723] <... close resumed>) = 0 [pid 11719] <... mount resumed>) = 0 [pid 11719] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11722] <... munmap resumed>) = 0 [pid 11719] chdir("./file0") = 0 [pid 11719] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11719] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11719] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11723] symlink("/dev/binderfs", "./binderfs" [pid 11722] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11716] <... futex resumed>) = 0 [pid 5071] newfstatat(3, "", [pid 11723] <... symlink resumed>) = 0 [pid 11716] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11723] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11719] <... futex resumed>) = 0 [pid 11716] <... futex resumed>) = 1 [pid 5071] getdents64(3, [pid 11723] <... futex resumed>) = 0 [pid 11722] <... openat resumed>) = 4 [pid 11719] truncate("./file2", 0 [pid 11716] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11723] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11722] ioctl(4, LOOP_SET_FD, 3 [pid 11723] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5071] umount2("./347/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] newfstatat(AT_FDCWD, "./347/binderfs", [pid 11723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11723] <... mmap resumed>) = 0x7f43d3147000 [pid 5071] unlink("./347/binderfs") = 0 [pid 11723] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11723] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5071] umount2("./347/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} => {parent_tid=[11726]}, 88) = 11726 [pid 11723] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 11726 attached [ 342.032306][T11724] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 342.059810][T11725] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 342.061385][T11719] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11723] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11726] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11723] <... futex resumed>) = 0 [pid 11726] <... rseq resumed>) = 0 [pid 11723] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11726] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11726] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11726] memfd_create("syzkaller", 0 [pid 11722] <... ioctl resumed>) = 0 [pid 11726] <... memfd_create resumed>) = 3 [pid 11726] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11722] close(3) = 0 [pid 11722] close(4) = 0 [pid 11720] <... mount resumed>) = 0 [pid 11722] mkdir("./file0", 0777 [pid 11720] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11716] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11716] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11716] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11722] <... mkdir resumed>) = 0 [pid 11720] <... openat resumed>) = 3 [pid 11716] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11722] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11720] chdir("./file0" [pid 11719] <... truncate resumed>) = 0 [pid 11716] <... clone3 resumed> => {parent_tid=[11727]}, 88) = 11727 ./strace-static-x86_64: Process 11727 attached [pid 11720] <... chdir resumed>) = 0 [pid 11716] rt_sigprocmask(SIG_SETMASK, [], [pid 11727] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11727] <... rseq resumed>) = 0 [pid 11716] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11727] set_robust_list(0x7f43d31469a0, 24 [pid 11716] <... futex resumed>) = 0 [pid 11727] <... set_robust_list resumed>) = 0 [ 342.081363][T11722] loop1: detected capacity change from 0 to 2048 [ 342.097166][T11719] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 342.107961][T11719] Remounting filesystem read-only [ 342.114760][T11719] NILFS (loop2): error -5 truncating bmap (ino=16) [pid 11716] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11727] rt_sigprocmask(SIG_SETMASK, [], [pid 11720] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11719] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11727] fspick(AT_FDCWD, ".", 0 [pid 11720] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11719] <... futex resumed>) = 0 [pid 11727] <... fspick resumed>) = 4 [pid 11720] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11719] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11727] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11726] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11722] <... mount resumed>) = 0 [pid 11720] <... futex resumed>) = 1 [pid 11717] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 11727] <... futex resumed>) = 1 [pid 11722] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11717] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11716] <... futex resumed>) = 0 [pid 11727] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11722] <... openat resumed>) = 3 [pid 11720] truncate("./file2", 0 [pid 11717] <... futex resumed>) = 0 [pid 11716] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] umount2("./347/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11726] <... write resumed>) = 1048576 [pid 11719] <... futex resumed>) = 0 [pid 11716] <... futex resumed>) = 1 [pid 11726] munmap(0x7f43cac00000, 138412032) = 0 [pid 11726] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 342.124186][T11722] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 342.142500][T11728] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 342.166497][T11720] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11726] ioctl(4, LOOP_SET_FD, 3 [pid 11719] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11717] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11716] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11726] <... ioctl resumed>) = 0 [pid 11726] close(3) = 0 [pid 11726] close(4) = 0 [pid 11726] mkdir("./file0", 0777 [pid 11722] chdir("./file0" [pid 5071] newfstatat(AT_FDCWD, "./347/file0", [pid 11726] <... mkdir resumed>) = 0 [pid 11722] <... chdir resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11719] <... fsconfig resumed>) = 0 [pid 5071] umount2("./347/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11719] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11722] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11726] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11722] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11722] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11718] <... futex resumed>) = 0 [pid 11722] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11718] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11718] <... futex resumed>) = 0 [pid 11722] truncate("./file2", 0 [pid 11718] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11719] <... futex resumed>) = 1 [pid 11716] <... futex resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./347/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11719] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11716] exit_group(0 [pid 11727] <... futex resumed>) = ? [pid 11719] <... futex resumed>) = ? [pid 11716] <... exit_group resumed>) = ? [pid 5071] <... openat resumed>) = 4 [pid 11727] +++ exited with 0 +++ [pid 11719] +++ exited with 0 +++ [pid 11716] +++ exited with 0 +++ [ 342.169800][T11726] loop0: detected capacity change from 0 to 2048 [ 342.178765][T11720] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 342.191321][T11719] NILFS (loop2): mounting fs with errors [ 342.202289][T11720] Remounting filesystem read-only [ 342.210543][T11722] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 342.218401][T11720] NILFS (loop3): error -5 truncating bmap (ino=16) [pid 5071] newfstatat(4, "", [pid 11720] <... truncate resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11717] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11716, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11717] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11720] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11717] <... futex resumed>) = 0 [pid 5071] getdents64(4, [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 11717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 11720] <... futex resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11720] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11717] <... mmap resumed>) = 0x7f43d3126000 [pid 5071] getdents64(4, [pid 11717] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] umount2("./344", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11717] <... mprotect resumed>) = 0 [pid 5071] close(4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11718] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] openat(AT_FDCWD, "./344", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11718] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... close resumed>) = 0 [pid 11718] <... futex resumed>) = 0 [pid 11718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] <... openat resumed>) = 3 [pid 11718] <... mmap resumed>) = 0x7f43d3126000 [pid 5071] rmdir("./347/file0" [pid 11718] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11717] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11718] <... mprotect resumed>) = 0 [pid 11717] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 11717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5071] getdents64(3, [pid 11717] <... clone3 resumed> => {parent_tid=[11729]}, 88) = 11729 [pid 11717] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11729 attached [pid 11722] <... truncate resumed>) = 0 [pid 11717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] newfstatat(3, "", [pid 11729] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11717] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11729] <... rseq resumed>) = 0 [pid 11718] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11717] <... futex resumed>) = 0 [pid 5071] close(3 [pid 11729] set_robust_list(0x7f43d31469a0, 24 [pid 11722] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11718] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11717] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... close resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11729] <... set_robust_list resumed>) = 0 [pid 11722] <... futex resumed>) = 0 [pid 11718] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5071] rmdir("./347" [pid 5069] getdents64(3, [pid 11722] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11730 attached [pid 11729] rt_sigprocmask(SIG_SETMASK, [], [pid 11718] <... clone3 resumed> => {parent_tid=[11730]}, 88) = 11730 [pid 11730] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] mkdir("./348", 0777 [pid 5069] umount2("./344/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11730] <... rseq resumed>) = 0 [pid 11729] fspick(AT_FDCWD, ".", 0 [pid 11718] rt_sigprocmask(SIG_SETMASK, [], [pid 11730] set_robust_list(0x7f43d31469a0, 24 [pid 11729] <... fspick resumed>) = 4 [pid 11718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11730] <... set_robust_list resumed>) = 0 [pid 11729] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11718] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] newfstatat(AT_FDCWD, "./344/binderfs", [pid 11730] rt_sigprocmask(SIG_SETMASK, [], [pid 11729] <... futex resumed>) = 1 [pid 11718] <... futex resumed>) = 0 [pid 11717] <... futex resumed>) = 0 [pid 11730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11717] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... openat resumed>) = 3 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11730] fspick(AT_FDCWD, ".", 0 [pid 11729] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11720] <... futex resumed>) = 0 [ 342.222250][T11726] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 342.228775][T11722] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 342.249223][T11722] Remounting filesystem read-only [ 342.257432][T11722] NILFS (loop1): error -5 truncating bmap (ino=16) [pid 11718] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11717] <... futex resumed>) = 1 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] unlink("./344/binderfs" [pid 11720] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5069] <... unlink resumed>) = 0 [pid 11730] <... fspick resumed>) = 4 [pid 11726] <... mount resumed>) = 0 [pid 11717] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11730] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11726] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11730] <... futex resumed>) = 1 [pid 11726] <... openat resumed>) = 3 [pid 11718] <... futex resumed>) = 0 [pid 11730] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11726] chdir("./file0" [pid 11718] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11726] <... chdir resumed>) = 0 [pid 11718] <... futex resumed>) = 1 [pid 11726] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11718] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11726] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11726] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11722] <... futex resumed>) = 0 [pid 11726] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11723] <... futex resumed>) = 0 [pid 5069] umount2("./344/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11723] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11726] <... futex resumed>) = 0 [pid 11723] <... futex resumed>) = 1 [pid 11722] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11726] truncate("./file2", 0 [pid 11723] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11720] <... fsconfig resumed>) = 0 [pid 11720] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11717] <... futex resumed>) = 0 [pid 11717] exit_group(0) = ? [pid 11720] +++ exited with 0 +++ [pid 11729] <... futex resumed>) = ? [pid 5071] <... ioctl resumed>) = 0 [ 342.289807][T11731] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 342.292231][T11720] NILFS (loop3): mounting fs with errors [ 342.308611][T11722] NILFS (loop1): mounting fs with errors [ 342.319613][T11726] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 342.330959][T11726] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11729] +++ exited with 0 +++ [pid 11722] <... fsconfig resumed>) = 0 [pid 11717] +++ exited with 0 +++ [pid 11722] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11718] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11717, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 11722] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11718] exit_group(0 [pid 11730] <... futex resumed>) = ? [pid 11722] <... futex resumed>) = ? [pid 11718] <... exit_group resumed>) = ? [pid 11722] +++ exited with 0 +++ [pid 5071] close(3 [pid 11730] +++ exited with 0 +++ [pid 11718] +++ exited with 0 +++ [pid 5071] <... close resumed>) = 0 [pid 5070] umount2("./344", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] umount2("./344/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11718, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5070] openat(AT_FDCWD, "./344", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 11732 attached ) = 3 [pid 11732] set_robust_list(0x555589d386a0, 24 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11732 [pid 5070] newfstatat(3, "", [pid 5068] umount2("./341", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11732] <... set_robust_list resumed>) = 0 [pid 11732] chdir("./348" [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11732] <... chdir resumed>) = 0 [pid 5070] getdents64(3, [pid 5068] openat(AT_FDCWD, "./341", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] <... openat resumed>) = 3 [pid 11732] <... prctl resumed>) = 0 [pid 5070] umount2("./344/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(3, "", [pid 11732] setpgid(0, 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./344/file0", [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11732] <... setpgid resumed>) = 0 [pid 5070] newfstatat(AT_FDCWD, "./344/binderfs", [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] getdents64(3, [pid 11732] <... openat resumed>) = 3 [pid 5070] unlink("./344/binderfs" [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./344/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11732] write(3, "1000", 4 [pid 5070] <... unlink resumed>) = 0 [pid 5068] umount2("./341/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11732] <... write resumed>) = 4 [pid 11723] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] umount2("./344/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11732] close(3 [pid 11723] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "./344/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] newfstatat(AT_FDCWD, "./341/binderfs", [pid 11732] <... close resumed>) = 0 [pid 11723] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11732] symlink("/dev/binderfs", "./binderfs" [ 342.343917][T11726] Remounting filesystem read-only [pid 11723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] newfstatat(4, "", [pid 5068] unlink("./341/binderfs" [pid 11732] <... symlink resumed>) = 0 [pid 11723] <... mmap resumed>) = 0x7f43d3126000 [pid 11732] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11726] <... truncate resumed>) = 0 [pid 11723] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 11732] <... futex resumed>) = 0 [pid 11726] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11723] <... mprotect resumed>) = 0 [pid 5069] getdents64(4, [pid 5068] umount2("./341/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11732] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11726] <... futex resumed>) = 0 [pid 11723] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11732] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11726] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11723] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] getdents64(4, [pid 11732] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] close(4 [pid 11732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] <... close resumed>) = 0 [pid 11732] <... mmap resumed>) = 0x7f43d3147000 [pid 5069] rmdir("./344/file0" [pid 11732] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5069] <... rmdir resumed>) = 0 [pid 11732] <... mprotect resumed>) = 0 [pid 5069] getdents64(3, [pid 11732] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11732] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5069] close(3 [pid 11732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5069] <... close resumed>) = 0 ./strace-static-x86_64: Process 11733 attached [pid 11723] <... clone3 resumed> => {parent_tid=[11733]}, 88) = 11733 [pid 5069] rmdir("./344" [pid 11733] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11732] <... clone3 resumed> => {parent_tid=[11734]}, 88) = 11734 [pid 11723] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... rmdir resumed>) = 0 [pid 11733] <... rseq resumed>) = 0 [pid 11732] rt_sigprocmask(SIG_SETMASK, [], [pid 11723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] mkdir("./345", 0777 [pid 11733] set_robust_list(0x7f43d31469a0, 24 [pid 11732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11723] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 11734 attached [pid 11733] <... set_robust_list resumed>) = 0 [pid 11732] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11723] <... futex resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 11734] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11733] rt_sigprocmask(SIG_SETMASK, [], [pid 11732] <... futex resumed>) = 0 [pid 11723] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11734] <... rseq resumed>) = 0 [pid 11733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11732] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5070] umount2("./344/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11734] set_robust_list(0x7f43d31679a0, 24 [pid 11733] fspick(AT_FDCWD, ".", 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = 0 [pid 11734] <... set_robust_list resumed>) = 0 [pid 11733] <... fspick resumed>) = 4 [pid 11734] rt_sigprocmask(SIG_SETMASK, [], [pid 11733] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] newfstatat(AT_FDCWD, "./344/file0", [pid 5069] <... openat resumed>) = 3 [pid 5068] umount2("./341/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11734] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11733] <... futex resumed>) = 1 [pid 11723] <... futex resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11734] memfd_create("syzkaller", 0 [pid 11733] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11723] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11734] <... memfd_create resumed>) = 3 [pid 11726] <... futex resumed>) = 0 [pid 11723] <... futex resumed>) = 1 [pid 5070] umount2("./344/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(AT_FDCWD, "./341/file0", [pid 11734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11726] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11723] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11734] <... mmap resumed>) = 0x7f43cac00000 [pid 5070] openat(AT_FDCWD, "./344/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11734] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11726] <... fsconfig resumed>) = 0 [pid 5068] umount2("./341/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11726] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... openat resumed>) = 4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11726] <... futex resumed>) = 1 [pid 11723] <... futex resumed>) = 0 [pid 5070] newfstatat(4, "", [pid 5068] openat(AT_FDCWD, "./341/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11726] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11723] exit_group(0 [pid 11733] <... futex resumed>) = ? [pid 11726] <... futex resumed>) = ? [pid 11723] <... exit_group resumed>) = ? [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... openat resumed>) = 4 [pid 11733] +++ exited with 0 +++ [pid 11726] +++ exited with 0 +++ [pid 11723] +++ exited with 0 +++ [pid 5070] getdents64(4, [pid 5068] newfstatat(4, "", [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(4, [pid 5068] getdents64(4, [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11723, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] umount2("./345", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(4 [pid 5068] getdents64(4, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] openat(AT_FDCWD, "./345", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] rmdir("./344/file0" [pid 5068] close(4 [pid 5067] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5067] newfstatat(3, "", [pid 5068] rmdir("./341/file0" [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, [pid 5068] <... rmdir resumed>) = 0 [pid 11734] <... write resumed>) = 1048576 [pid 5070] <... rmdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./345/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11734] munmap(0x7f43cac00000, 138412032 [pid 5070] rmdir("./344" [pid 5067] newfstatat(AT_FDCWD, "./345/binderfs", [pid 11734] <... munmap resumed>) = 0 [pid 5068] getdents64(3, [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./345/binderfs" [pid 11734] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] <... rmdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 11734] <... openat resumed>) = 4 [ 342.378684][T11726] NILFS (loop0): error -5 truncating bmap (ino=16) [ 342.415737][T11726] NILFS (loop0): mounting fs with errors [pid 5070] mkdir("./345", 0777 [pid 5068] close(3 [pid 5067] umount2("./345/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11734] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... mkdir resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5068] rmdir("./341" [pid 11734] <... ioctl resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11734] close(3 [pid 5070] <... openat resumed>) = 3 [pid 5068] <... rmdir resumed>) = 0 [pid 11734] <... close resumed>) = 0 [pid 11734] close(4 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] <... ioctl resumed>) = 0 [pid 5068] mkdir("./342", 0777 [pid 11734] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5067] umount2("./345/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11734] mkdir("./file0", 0777 [pid 5069] close(3 [pid 5068] <... mkdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./345/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./345/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11734] <... mkdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11734] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5068] <... openat resumed>) = 3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./345/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] <... openat resumed>) = 4 [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 5067] rmdir("./345/file0") = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] close(3) = 0 [pid 5067] rmdir("./345" [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11735 [pid 5067] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 11735 attached [ 342.455860][T11734] loop4: detected capacity change from 0 to 2048 [pid 11735] set_robust_list(0x555589d386a0, 24 [pid 5067] mkdir("./346", 0777 [pid 11735] <... set_robust_list resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 11735] chdir("./345" [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11735] <... chdir resumed>) = 0 [pid 11735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... ioctl resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5070] close(3 [pid 11735] <... prctl resumed>) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 11735] setpgid(0, 0) = 0 [pid 11735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11735] <... openat resumed>) = 3 [pid 11735] write(3, "1000", 4./strace-static-x86_64: Process 11736 attached [pid 11736] set_robust_list(0x555589d386a0, 24) = 0 [pid 11736] chdir("./345") = 0 [pid 11736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11736] setpgid(0, 0) = 0 [pid 11736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11736] write(3, "1000", 4) = 4 [pid 11736] close(3) = 0 [pid 11736] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11735] <... write resumed>) = 4 [pid 11736] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11735] close(3 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11736 [pid 11736] <... futex resumed>) = 0 [pid 11736] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11736] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11736] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11735] <... close resumed>) = 0 [pid 11736] <... mprotect resumed>) = 0 [pid 11735] symlink("/dev/binderfs", "./binderfs" [pid 5068] close(3 [pid 11736] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11738 attached [pid 11738] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 11738] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11735] <... symlink resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 11735] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11735] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11739 attached [pid 11738] rt_sigprocmask(SIG_SETMASK, [], [pid 11736] <... clone3 resumed> => {parent_tid=[11738]}, 88) = 11738 [pid 11735] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11734] <... mount resumed>) = 0 [pid 11739] set_robust_list(0x555589d386a0, 24 [pid 11735] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11734] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11739 [pid 11739] <... set_robust_list resumed>) = 0 [pid 11735] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11734] <... openat resumed>) = 3 [pid 11739] chdir("./342" [pid 11735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11736] rt_sigprocmask(SIG_SETMASK, [], [pid 11734] chdir("./file0" [pid 11739] <... chdir resumed>) = 0 [pid 11738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11734] <... chdir resumed>) = 0 [pid 11739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11735] <... mmap resumed>) = 0x7f43d3147000 [pid 11734] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11739] <... prctl resumed>) = 0 [pid 11738] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11735] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11734] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11739] setpgid(0, 0 [pid 11736] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11735] <... mprotect resumed>) = 0 [pid 11734] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11739] <... setpgid resumed>) = 0 [pid 11734] <... futex resumed>) = 1 [pid 11732] <... futex resumed>) = 0 [pid 11734] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11732] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11738] <... futex resumed>) = 0 [pid 11736] <... futex resumed>) = 1 [pid 11739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11738] memfd_create("syzkaller", 0 [pid 11736] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11732] <... futex resumed>) = 0 [ 342.518363][T11734] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 342.553932][T11737] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11739] <... openat resumed>) = 3 [pid 11735] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11734] truncate("./file2", 0 [pid 11732] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11735] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11739] write(3, "1000", 4 [pid 11735] <... clone3 resumed> => {parent_tid=[11740]}, 88) = 11740 [pid 11738] <... memfd_create resumed>) = 3 [pid 11735] rt_sigprocmask(SIG_SETMASK, [], [pid 11738] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11739] <... write resumed>) = 4 [pid 11735] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11740 attached [pid 11739] close(3 [pid 11735] <... futex resumed>) = 0 [pid 11740] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11739] <... close resumed>) = 0 [pid 11735] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11739] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11738] <... mmap resumed>) = 0x7f43cac00000 [pid 5067] <... ioctl resumed>) = 0 [pid 11740] <... rseq resumed>) = 0 [pid 11740] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11740] rt_sigprocmask(SIG_SETMASK, [], [pid 11739] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11739] <... futex resumed>) = 0 [pid 11740] memfd_create("syzkaller", 0 [pid 11739] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11739] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11739] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11739] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11740] <... memfd_create resumed>) = 3 [pid 11739] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11740] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11738] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5067] close(3 [pid 11740] <... mmap resumed>) = 0x7f43cac00000 [pid 11739] <... clone3 resumed> => {parent_tid=[11741]}, 88) = 11741 ./strace-static-x86_64: Process 11741 attached [pid 11739] rt_sigprocmask(SIG_SETMASK, [], [pid 11741] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11741] <... rseq resumed>) = 0 [pid 11739] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11741] set_robust_list(0x7f43d31679a0, 24 [pid 11739] <... futex resumed>) = 0 [pid 11741] <... set_robust_list resumed>) = 0 [pid 11739] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11741] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11741] memfd_create("syzkaller", 0) = 3 [pid 11741] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 5067] <... close resumed>) = 0 [pid 11740] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11742 attached [pid 11738] <... write resumed>) = 1048576 [pid 11732] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11742] set_robust_list(0x555589d386a0, 24 [pid 11732] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11742 [pid 11742] <... set_robust_list resumed>) = 0 [pid 11738] munmap(0x7f43cac00000, 138412032 [pid 11732] <... futex resumed>) = 0 [pid 11742] chdir("./346" [pid 11732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11738] <... munmap resumed>) = 0 [pid 11732] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [ 342.596639][T11734] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 342.624515][T11734] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11738] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11732] <... mprotect resumed>) = 0 [pid 11742] <... chdir resumed>) = 0 [pid 11738] <... openat resumed>) = 4 [pid 11732] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11742] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11741] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11738] ioctl(4, LOOP_SET_FD, 3 [pid 11732] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11742] <... prctl resumed>) = 0 [pid 11732] <... clone3 resumed> => {parent_tid=[11743]}, 88) = 11743 [pid 11742] setpgid(0, 0 [pid 11732] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11742] <... setpgid resumed>) = 0 [pid 11732] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 11743 attached [pid 11742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11741] <... write resumed>) = 1048576 [pid 11740] <... write resumed>) = 1048576 [pid 11732] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11734] <... truncate resumed>) = 0 [pid 11738] <... ioctl resumed>) = 0 [pid 11743] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11738] close(3 [pid 11734] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11738] <... close resumed>) = 0 [pid 11734] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11738] close(4 [pid 11743] <... rseq resumed>) = 0 [pid 11738] <... close resumed>) = 0 [pid 11738] mkdir("./file0", 0777 [pid 11743] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11743] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11743] fspick(AT_FDCWD, ".", 0 [pid 11738] <... mkdir resumed>) = 0 [pid 11743] <... fspick resumed>) = 4 [pid 11743] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11732] <... futex resumed>) = 0 [pid 11743] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11742] <... openat resumed>) = 3 [pid 11732] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11734] <... futex resumed>) = 0 [pid 11734] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11732] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11740] munmap(0x7f43cac00000, 138412032) = 0 [pid 11740] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 342.655478][T11734] Remounting filesystem read-only [ 342.662214][T11734] NILFS (loop4): error -5 truncating bmap (ino=16) [ 342.669469][T11738] loop3: detected capacity change from 0 to 2048 [ 342.694610][T11734] NILFS (loop4): mounting fs with errors [pid 11740] ioctl(4, LOOP_SET_FD, 3 [pid 11741] munmap(0x7f43cac00000, 138412032 [pid 11742] write(3, "1000", 4 [pid 11740] <... ioctl resumed>) = 0 [pid 11738] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11734] <... fsconfig resumed>) = 0 [pid 11742] <... write resumed>) = 4 [pid 11741] <... munmap resumed>) = 0 [pid 11740] close(3 [pid 11734] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11742] close(3 [pid 11741] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11740] <... close resumed>) = 0 [pid 11742] <... close resumed>) = 0 [pid 11741] <... openat resumed>) = 4 [pid 11740] close(4 [pid 11734] <... futex resumed>) = 1 [pid 11732] <... futex resumed>) = 0 [pid 11740] <... close resumed>) = 0 [pid 11732] exit_group(0 [pid 11743] <... futex resumed>) = ? [pid 11732] <... exit_group resumed>) = ? [pid 11743] +++ exited with 0 +++ [pid 11742] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11741] ioctl(4, LOOP_SET_FD, 3 [pid 11740] mkdir("./file0", 0777) = 0 [pid 11742] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11742] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11740] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11738] <... mount resumed>) = 0 [pid 11734] +++ exited with 0 +++ [pid 11732] +++ exited with 0 +++ [pid 11742] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11742] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11742] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11742] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 342.701480][T11740] loop2: detected capacity change from 0 to 2048 [ 342.713153][T11738] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 342.733434][T11741] loop1: detected capacity change from 0 to 2048 [ 342.743825][T11744] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11742] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} => {parent_tid=[11745]}, 88) = 11745 [pid 11738] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11732, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- ./strace-static-x86_64: Process 11745 attached [pid 11738] <... openat resumed>) = 3 [pid 11745] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 5071] umount2("./348", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11745] <... rseq resumed>) = 0 [pid 11741] <... ioctl resumed>) = 0 [pid 11745] set_robust_list(0x7f43d31679a0, 24 [pid 11742] rt_sigprocmask(SIG_SETMASK, [], [pid 11741] close(3 [pid 11745] <... set_robust_list resumed>) = 0 [pid 11742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11741] <... close resumed>) = 0 [pid 11745] rt_sigprocmask(SIG_SETMASK, [], [pid 11742] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11741] close(4 [pid 11745] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11742] <... futex resumed>) = 0 [pid 11741] <... close resumed>) = 0 [pid 11738] chdir("./file0" [pid 11745] memfd_create("syzkaller", 0 [pid 11742] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11741] mkdir("./file0", 0777 [pid 11745] <... memfd_create resumed>) = 3 [pid 11745] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11741] <... mkdir resumed>) = 0 [pid 11738] <... chdir resumed>) = 0 [pid 11738] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11745] <... mmap resumed>) = 0x7f43cac00000 [pid 11741] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11738] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5071] openat(AT_FDCWD, "./348", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11738] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... openat resumed>) = 3 [pid 11738] <... futex resumed>) = 1 [pid 11736] <... futex resumed>) = 0 [pid 5071] newfstatat(3, "", [pid 11738] truncate("./file2", 0 [pid 11736] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11736] <... futex resumed>) = 0 [pid 11745] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11736] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [ 342.754374][T11740] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 342.780125][T11741] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 342.793077][T11738] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 5071] umount2("./348/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11740] <... mount resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11745] <... write resumed>) = 1048576 [pid 11740] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] newfstatat(AT_FDCWD, "./348/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11741] <... mount resumed>) = 0 [pid 11740] <... openat resumed>) = 3 [pid 5071] unlink("./348/binderfs" [pid 11745] munmap(0x7f43cac00000, 138412032 [pid 5071] <... unlink resumed>) = 0 [pid 11740] chdir("./file0" [pid 11741] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11740] <... chdir resumed>) = 0 [pid 5071] umount2("./348/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11745] <... munmap resumed>) = 0 [pid 11745] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11745] ioctl(4, LOOP_SET_FD, 3 [pid 11741] <... openat resumed>) = 3 [ 342.816033][T11738] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 342.825540][T11747] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 342.828116][T11746] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 342.850906][T11738] Remounting filesystem read-only [ 342.857186][T11738] NILFS (loop3): error -5 truncating bmap (ino=16) [pid 11740] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11738] <... truncate resumed>) = 0 [pid 11736] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11741] chdir("./file0" [pid 11740] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11736] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11741] <... chdir resumed>) = 0 [pid 11740] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11738] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11736] <... futex resumed>) = 0 [pid 11741] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11740] <... futex resumed>) = 1 [pid 11736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11741] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11740] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11738] <... futex resumed>) = 0 [pid 11736] <... mmap resumed>) = 0x7f43d3126000 [pid 11735] <... futex resumed>) = 0 [pid 11745] <... ioctl resumed>) = 0 [pid 11741] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11738] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11736] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11735] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11741] <... futex resumed>) = 1 [pid 11740] <... futex resumed>) = 0 [pid 11739] <... futex resumed>) = 0 [pid 11736] <... mprotect resumed>) = 0 [pid 11735] <... futex resumed>) = 1 [pid 11745] close(3 [pid 11741] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11740] truncate("./file2", 0 [pid 11736] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11735] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11745] <... close resumed>) = 0 [pid 11739] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11736] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11745] close(4 [pid 11741] <... futex resumed>) = 0 [pid 11739] <... futex resumed>) = 1 [pid 11736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11739] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11741] truncate("./file2", 0 [pid 11736] <... clone3 resumed> => {parent_tid=[11748]}, 88) = 11748 ./strace-static-x86_64: Process 11748 attached [pid 11745] <... close resumed>) = 0 [pid 11736] rt_sigprocmask(SIG_SETMASK, [], [pid 11748] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11745] mkdir("./file0", 0777 [pid 11748] <... rseq resumed>) = 0 [pid 11736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11748] set_robust_list(0x7f43d31469a0, 24 [pid 11736] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11748] <... set_robust_list resumed>) = 0 [pid 11736] <... futex resumed>) = 0 [pid 11748] rt_sigprocmask(SIG_SETMASK, [], [pid 11736] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11748] fspick(AT_FDCWD, ".", 0) = 4 [ 342.863748][T11745] loop0: detected capacity change from 0 to 2048 [ 342.878258][T11740] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 342.889822][T11740] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 342.903318][T11741] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11748] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11740] <... truncate resumed>) = 0 [pid 11736] <... futex resumed>) = 0 [pid 11748] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11745] <... mkdir resumed>) = 0 [pid 11740] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11736] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11745] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11740] <... futex resumed>) = 1 [pid 11738] <... futex resumed>) = 0 [pid 11736] <... futex resumed>) = 1 [pid 11735] <... futex resumed>) = 0 [pid 11739] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11735] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11740] fspick(AT_FDCWD, ".", 0 [pid 11739] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11738] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11736] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11735] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 11739] <... futex resumed>) = 0 [pid 11735] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] umount2("./348/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11739] <... mmap resumed>) = 0x7f43d3126000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11739] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5071] newfstatat(AT_FDCWD, "./348/file0", [ 342.914202][T11741] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 342.924276][T11740] Remounting filesystem read-only [ 342.929564][T11740] NILFS (loop2): error -5 truncating bmap (ino=16) [ 342.938083][T11741] Remounting filesystem read-only [ 342.945567][T11745] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 342.961044][T11738] NILFS (loop3): mounting fs with errors [pid 11739] <... mprotect resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11741] <... truncate resumed>) = 0 [pid 11740] <... fspick resumed>) = 4 [pid 11739] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11738] <... fsconfig resumed>) = 0 [pid 5071] umount2("./348/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11741] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11740] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11738] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11741] <... futex resumed>) = 0 [pid 11740] <... futex resumed>) = 1 [pid 11738] <... futex resumed>) = 1 [pid 11736] <... futex resumed>) = 0 [pid 11735] <... futex resumed>) = 0 [pid 11745] <... mount resumed>) = 0 [pid 11741] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11740] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11739] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11738] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11736] exit_group(0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11748] <... futex resumed>) = ? [pid 11738] <... futex resumed>) = ? [pid 11736] <... exit_group resumed>) = ? [pid 11748] +++ exited with 0 +++ [pid 11745] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11738] +++ exited with 0 +++ [pid 11736] +++ exited with 0 +++ [pid 11735] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] openat(AT_FDCWD, "./348/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11745] <... openat resumed>) = 3 [pid 11740] <... futex resumed>) = 0 [pid 11735] <... futex resumed>) = 1 [pid 11745] chdir("./file0" [pid 11740] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5071] <... openat resumed>) = 4 [pid 11735] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11750 attached [pid 11745] <... chdir resumed>) = 0 [pid 5071] newfstatat(4, "", [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11736, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 11750] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11745] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11739] <... clone3 resumed> => {parent_tid=[11750]}, 88) = 11750 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 11750] <... rseq resumed>) = 0 [pid 11745] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11739] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] getdents64(4, [pid 5070] <... restart_syscall resumed>) = 0 [pid 11750] set_robust_list(0x7f43d31469a0, 24 [pid 11745] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11740] <... fsconfig resumed>) = 0 [pid 11739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11750] <... set_robust_list resumed>) = 0 [pid 11745] <... futex resumed>) = 1 [pid 11742] <... futex resumed>) = 0 [pid 11740] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11739] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] getdents64(4, [pid 11750] rt_sigprocmask(SIG_SETMASK, [], [pid 11745] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11742] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11739] <... futex resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] umount2("./345", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11742] <... futex resumed>) = 0 [pid 11739] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11742] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] close(4 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... close resumed>) = 0 [pid 11750] fspick(AT_FDCWD, ".", 0 [pid 5070] openat(AT_FDCWD, "./345", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11740] <... futex resumed>) = 1 [pid 11735] <... futex resumed>) = 0 [pid 11740] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11735] exit_group(0 [pid 11750] <... fspick resumed>) = 4 [pid 11740] <... futex resumed>) = ? [pid 11735] <... exit_group resumed>) = ? [pid 5070] <... openat resumed>) = 3 [pid 11750] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11740] +++ exited with 0 +++ [pid 5071] rmdir("./348/file0" [pid 11745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11745] truncate("./file2", 0 [pid 11750] <... futex resumed>) = 1 [pid 11739] <... futex resumed>) = 0 [pid 11735] +++ exited with 0 +++ [pid 5071] <... rmdir resumed>) = 0 [pid 5070] newfstatat(3, "", [pid 11750] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11739] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11735, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 11739] <... futex resumed>) = 1 [pid 5071] getdents64(3, [pid 5070] getdents64(3, [pid 11739] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] close(3 [pid 5070] umount2("./345/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 342.969009][T11741] NILFS (loop1): error -5 truncating bmap (ino=16) [ 342.975791][T11749] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 342.995620][T11740] NILFS (loop2): mounting fs with errors [pid 5071] rmdir("./348" [pid 5070] newfstatat(AT_FDCWD, "./345/binderfs", [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] umount2("./345", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 11741] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./345", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11741] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5070] unlink("./345/binderfs" [pid 5069] <... openat resumed>) = 3 [pid 5071] mkdir("./349", 0777 [pid 5070] <... unlink resumed>) = 0 [pid 5069] newfstatat(3, "", [pid 5071] <... mkdir resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, [pid 5070] umount2("./345/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] umount2("./345/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] newfstatat(AT_FDCWD, "./345/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11741] <... fsconfig resumed>) = 0 [pid 5069] unlink("./345/binderfs") = 0 [pid 11741] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11739] <... futex resumed>) = 0 [pid 11741] <... futex resumed>) = 1 [pid 5069] umount2("./345/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11741] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11739] exit_group(0 [pid 11750] <... futex resumed>) = ? [pid 11741] <... futex resumed>) = ? [pid 11739] <... exit_group resumed>) = ? [pid 11750] +++ exited with 0 +++ [pid 11741] +++ exited with 0 +++ [pid 11745] <... truncate resumed>) = 0 [pid 11742] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11739] +++ exited with 0 +++ [pid 5070] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 11745] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11742] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] umount2("./345/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11739, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11745] <... futex resumed>) = 0 [pid 11742] <... futex resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11745] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] umount2("./345/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11742] <... mmap resumed>) = 0x7f43d3126000 [pid 5070] newfstatat(AT_FDCWD, "./345/file0", [pid 5068] umount2("./342", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11742] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11742] <... mprotect resumed>) = 0 [pid 5070] umount2("./345/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] openat(AT_FDCWD, "./342", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11742] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./345/file0", [pid 11742] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] openat(AT_FDCWD, "./345/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... openat resumed>) = 3 [pid 11742] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5070] <... openat resumed>) = 4 [pid 5068] newfstatat(3, "", ./strace-static-x86_64: Process 11751 attached [pid 5070] newfstatat(4, "", [pid 5069] umount2("./345/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11751] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11742] <... clone3 resumed> => {parent_tid=[11751]}, 88) = 11751 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, [pid 5071] <... ioctl resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11751] <... rseq resumed>) = 0 [pid 11742] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] getdents64(3, [pid 5071] close(3 [pid 11751] set_robust_list(0x7f43d31469a0, 24 [pid 11742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11751] <... set_robust_list resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 11751] rt_sigprocmask(SIG_SETMASK, [], [pid 11742] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] close(4 [pid 5069] openat(AT_FDCWD, "./345/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11751] fspick(AT_FDCWD, ".", 0 [pid 5070] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5070] rmdir("./345/file0" [pid 5069] newfstatat(4, "", [pid 11751] <... fspick resumed>) = 4 ./strace-static-x86_64: Process 11752 attached [pid 11751] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11742] <... futex resumed>) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11752 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 343.010517][T11745] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 343.022857][T11745] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 343.023232][T11741] NILFS (loop1): mounting fs with errors [ 343.039072][T11745] Remounting filesystem read-only [ 343.047977][T11745] NILFS (loop0): error -5 truncating bmap (ino=16) [pid 5068] umount2("./342/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11752] set_robust_list(0x555589d386a0, 24 [pid 11751] <... futex resumed>) = 0 [pid 11742] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] getdents64(3, [pid 5069] getdents64(4, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11752] <... set_robust_list resumed>) = 0 [pid 11751] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] newfstatat(AT_FDCWD, "./342/binderfs", [pid 11752] chdir("./349" [pid 11742] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] close(3 [pid 5069] getdents64(4, [pid 11752] <... chdir resumed>) = 0 [pid 11745] <... futex resumed>) = 0 [pid 11742] <... futex resumed>) = 1 [pid 5070] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11752] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11745] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11742] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] rmdir("./345" [pid 5069] close(4 [pid 5068] unlink("./342/binderfs" [pid 11752] <... prctl resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5070] mkdir("./346", 0777 [pid 5069] rmdir("./345/file0" [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5069] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 11752] setpgid(0, 0 [pid 5069] rmdir("./345" [pid 11752] <... setpgid resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5068] umount2("./342/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] mkdir("./346", 0777 [pid 11752] <... openat resumed>) = 3 [pid 5069] <... mkdir resumed>) = 0 [pid 11752] write(3, "1000", 4 [pid 11745] <... fsconfig resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 11752] <... write resumed>) = 4 [pid 5068] umount2("./342/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11752] close(3) = 0 [pid 11745] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11745] <... futex resumed>) = 1 [pid 11742] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 11752] symlink("/dev/binderfs", "./binderfs" [pid 11745] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11742] exit_group(0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11751] <... futex resumed>) = ? [pid 11745] <... futex resumed>) = ? [pid 11742] <... exit_group resumed>) = ? [pid 5068] newfstatat(AT_FDCWD, "./342/file0", [pid 11751] +++ exited with 0 +++ [pid 11745] +++ exited with 0 +++ [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./342/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11752] <... symlink resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./342/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11752] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11742] +++ exited with 0 +++ [pid 5068] <... openat resumed>) = 4 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11742, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 11752] <... futex resumed>) = 0 [pid 5068] newfstatat(4, "", [pid 5067] umount2("./346", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11752] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11752] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] openat(AT_FDCWD, "./346", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5068] getdents64(4, [pid 11752] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5067] newfstatat(3, "", [pid 11752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] getdents64(3, [pid 5068] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11752] <... mmap resumed>) = 0x7f43d3147000 [pid 5068] close(4 [pid 11752] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] rmdir("./342/file0" [pid 11752] <... mprotect resumed>) = 0 [pid 5067] umount2("./346/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./346/binderfs", [pid 11752] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] getdents64(3, [pid 5067] unlink("./346/binderfs" [pid 11752] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] close(3 [pid 5067] <... unlink resumed>) = 0 [pid 11752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5068] <... close resumed>) = 0 [pid 5067] umount2("./346/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] rmdir("./342"./strace-static-x86_64: Process 11753 attached [pid 11753] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 11752] <... clone3 resumed> => {parent_tid=[11753]}, 88) = 11753 [pid 11753] set_robust_list(0x7f43d31679a0, 24 [pid 11752] rt_sigprocmask(SIG_SETMASK, [], [pid 11753] <... set_robust_list resumed>) = 0 [pid 11752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11753] rt_sigprocmask(SIG_SETMASK, [], [pid 11752] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... rmdir resumed>) = 0 [pid 11753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11752] <... futex resumed>) = 0 [pid 11753] memfd_create("syzkaller", 0 [ 343.107812][T11745] NILFS (loop0): mounting fs with errors [pid 11752] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11753] <... memfd_create resumed>) = 3 [pid 5068] mkdir("./343", 0777 [pid 5067] <... umount2 resumed>) = 0 [pid 11753] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5068] <... mkdir resumed>) = 0 [pid 11753] <... mmap resumed>) = 0x7f43cac00000 [pid 5070] <... ioctl resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] umount2("./346/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11753] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5070] close(3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./346/file0", [pid 5069] <... ioctl resumed>) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... close resumed>) = 0 [pid 5067] umount2("./346/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] close(3 [pid 5067] openat(AT_FDCWD, "./346/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 11754 attached [pid 11754] set_robust_list(0x555589d386a0, 24 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11754 [pid 5067] <... openat resumed>) = 4 [pid 11754] <... set_robust_list resumed>) = 0 [pid 11754] chdir("./346" [pid 5067] newfstatat(4, "", [pid 11754] <... chdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] getdents64(4, [pid 11754] <... prctl resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, [pid 11754] setpgid(0, 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 11753] <... write resumed>) = 1048576 [pid 5067] rmdir("./346/file0" [pid 11754] <... setpgid resumed>) = 0 [pid 11753] munmap(0x7f43cac00000, 138412032 [pid 5067] <... rmdir resumed>) = 0 [pid 11754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11753] <... munmap resumed>) = 0 [pid 5068] close(3 [pid 5067] getdents64(3, [pid 11753] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5068] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11754] <... openat resumed>) = 3 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11755 [pid 5067] close(3./strace-static-x86_64: Process 11755 attached [pid 11753] <... openat resumed>) = 4 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... close resumed>) = 0 [pid 11755] set_robust_list(0x555589d386a0, 24 [pid 11754] write(3, "1000", 4 [pid 11753] ioctl(4, LOOP_SET_FD, 3 [pid 5067] rmdir("./346" [pid 11754] <... write resumed>) = 4 [pid 11754] close(3 [pid 5067] <... rmdir resumed>) = 0 [pid 11755] <... set_robust_list resumed>) = 0 [pid 11754] <... close resumed>) = 0 [pid 11754] symlink("/dev/binderfs", "./binderfs" [pid 11755] chdir("./346"./strace-static-x86_64: Process 11756 attached [pid 11754] <... symlink resumed>) = 0 [pid 11756] set_robust_list(0x555589d386a0, 24 [pid 11755] <... chdir resumed>) = 0 [pid 11754] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] mkdir("./347", 0777 [pid 11756] <... set_robust_list resumed>) = 0 [pid 11755] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11754] <... futex resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 11756] chdir("./343" [pid 11755] <... prctl resumed>) = 0 [pid 11754] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11755] setpgid(0, 0 [pid 11756] <... chdir resumed>) = 0 [pid 11754] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11753] <... ioctl resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11756 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11755] <... setpgid resumed>) = 0 [pid 11754] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11753] close(3 [pid 11754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11753] <... close resumed>) = 0 [pid 11753] close(4 [pid 11755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11753] <... close resumed>) = 0 [pid 11756] <... prctl resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 11754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11753] mkdir("./file0", 0777) = 0 [pid 11756] setpgid(0, 0 [pid 11753] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11754] <... mmap resumed>) = 0x7f43d3147000 [pid 11756] <... setpgid resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11755] <... openat resumed>) = 3 [pid 11756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11755] write(3, "1000", 4 [pid 11754] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11756] <... openat resumed>) = 3 [pid 11755] <... write resumed>) = 4 [pid 11754] <... mprotect resumed>) = 0 [pid 11755] close(3 [pid 11756] write(3, "1000", 4 [pid 11755] <... close resumed>) = 0 [pid 11754] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11756] <... write resumed>) = 4 [pid 11755] symlink("/dev/binderfs", "./binderfs" [pid 11754] <... rt_sigprocmask resumed>[], 8) = 0 [ 343.245577][T11753] loop4: detected capacity change from 0 to 2048 [ 343.273326][T11753] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11756] close(3 [pid 11755] <... symlink resumed>) = 0 [pid 11754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11756] <... close resumed>) = 0 [pid 11755] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11756] symlink("/dev/binderfs", "./binderfs" [pid 11755] <... futex resumed>) = 0 [pid 11754] <... clone3 resumed> => {parent_tid=[11758]}, 88) = 11758 [pid 11756] <... symlink resumed>) = 0 [pid 11755] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11754] rt_sigprocmask(SIG_SETMASK, [], [pid 11756] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11755] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11756] <... futex resumed>) = 0 [pid 11755] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11754] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11756] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11754] <... futex resumed>) = 0 [pid 11756] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11754] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11758 attached [pid 11756] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11755] <... mmap resumed>) = 0x7f43d3147000 [pid 11758] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11756] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11755] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11753] <... mount resumed>) = 0 [pid 11758] <... rseq resumed>) = 0 [pid 11756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11755] <... mprotect resumed>) = 0 [pid 11753] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11758] set_robust_list(0x7f43d31679a0, 24 [pid 11756] <... mmap resumed>) = 0x7f43d3147000 [pid 11755] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11758] <... set_robust_list resumed>) = 0 [pid 11756] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11755] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11753] <... openat resumed>) = 3 [pid 11758] rt_sigprocmask(SIG_SETMASK, [], [pid 11756] <... mprotect resumed>) = 0 [pid 11755] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11753] chdir("./file0"./strace-static-x86_64: Process 11759 attached [pid 11758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11756] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11753] <... chdir resumed>) = 0 [pid 11758] memfd_create("syzkaller", 0 [pid 11753] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11758] <... memfd_create resumed>) = 3 [pid 11756] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11753] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11758] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11753] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11758] <... mmap resumed>) = 0x7f43cac00000 [pid 11753] <... futex resumed>) = 1 [pid 11752] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11760 attached [pid 11759] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11758] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11755] <... clone3 resumed> => {parent_tid=[11759]}, 88) = 11759 [pid 11753] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11752] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11752] <... futex resumed>) = 0 [pid 11753] truncate("./file2", 0 [ 343.297821][T11757] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11752] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11760] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11759] <... rseq resumed>) = 0 [pid 11756] <... clone3 resumed> => {parent_tid=[11760]}, 88) = 11760 [pid 11755] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... ioctl resumed>) = 0 [pid 5067] close(3 [pid 11756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11759] set_robust_list(0x7f43d31679a0, 24 [pid 11755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... close resumed>) = 0 [pid 11759] <... set_robust_list resumed>) = 0 [pid 11756] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11755] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11755] <... futex resumed>) = 0 [pid 11759] rt_sigprocmask(SIG_SETMASK, [], [pid 11756] <... futex resumed>) = 0 [pid 11755] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11756] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11759] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 11761 attached [pid 11760] <... rseq resumed>) = 0 [pid 11759] memfd_create("syzkaller", 0 [pid 11758] <... write resumed>) = 1048576 [pid 11760] set_robust_list(0x7f43d31679a0, 24 [pid 11761] set_robust_list(0x555589d386a0, 24 [pid 11760] <... set_robust_list resumed>) = 0 [pid 11759] <... memfd_create resumed>) = 3 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11761 [pid 11761] <... set_robust_list resumed>) = 0 [pid 11760] rt_sigprocmask(SIG_SETMASK, [], [pid 11761] chdir("./347" [pid 11760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11761] <... chdir resumed>) = 0 [pid 11761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11761] setpgid(0, 0 [pid 11760] memfd_create("syzkaller", 0 [pid 11761] <... setpgid resumed>) = 0 [pid 11760] <... memfd_create resumed>) = 3 [pid 11761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11760] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11759] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11761] <... openat resumed>) = 3 [pid 11760] <... mmap resumed>) = 0x7f43cac00000 [pid 11759] <... mmap resumed>) = 0x7f43cac00000 [pid 11761] write(3, "1000", 4) = 4 [pid 11761] close(3) = 0 [pid 11761] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11761] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11761] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11761] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11758] munmap(0x7f43cac00000, 138412032 [pid 11761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11758] <... munmap resumed>) = 0 [pid 11761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [ 343.342741][T11753] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 343.374958][T11753] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11761] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11758] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11761] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11758] <... openat resumed>) = 4 [pid 11752] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11761] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11758] ioctl(4, LOOP_SET_FD, 3 [pid 11752] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11760] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11752] <... futex resumed>) = 0 [pid 11752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11761] <... clone3 resumed> => {parent_tid=[11762]}, 88) = 11762 [pid 11752] <... mmap resumed>) = 0x7f43d3126000 [pid 11761] rt_sigprocmask(SIG_SETMASK, [], [pid 11752] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11752] <... mprotect resumed>) = 0 [pid 11761] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11752] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11761] <... futex resumed>) = 0 [pid 11761] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11752] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11763 attached ./strace-static-x86_64: Process 11762 attached [pid 11759] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11762] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11752] <... clone3 resumed> => {parent_tid=[11763]}, 88) = 11763 [pid 11762] <... rseq resumed>) = 0 [pid 11752] rt_sigprocmask(SIG_SETMASK, [], [pid 11762] set_robust_list(0x7f43d31679a0, 24 [pid 11752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11763] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11762] <... set_robust_list resumed>) = 0 [pid 11752] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11762] rt_sigprocmask(SIG_SETMASK, [], [pid 11752] <... futex resumed>) = 0 [pid 11763] <... rseq resumed>) = 0 [pid 11762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11758] <... ioctl resumed>) = 0 [pid 11763] set_robust_list(0x7f43d31469a0, 24 [pid 11762] memfd_create("syzkaller", 0 [pid 11752] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11763] <... set_robust_list resumed>) = 0 [pid 11763] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11763] fspick(AT_FDCWD, ".", 0) = 4 [pid 11763] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11762] <... memfd_create resumed>) = 3 [pid 11758] close(3 [pid 11763] <... futex resumed>) = 1 [pid 11762] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11752] <... futex resumed>) = 0 [pid 11763] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11762] <... mmap resumed>) = 0x7f43cac00000 [pid 11752] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11762] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11752] <... futex resumed>) = 0 [pid 11752] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11763] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11758] <... close resumed>) = 0 [pid 11758] close(4) = 0 [pid 11758] mkdir("./file0", 0777) = 0 [ 343.394012][T11758] loop3: detected capacity change from 0 to 2048 [ 343.408485][T11753] Remounting filesystem read-only [ 343.430676][T11753] NILFS (loop4): error -5 truncating bmap (ino=16) [pid 11758] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11760] <... write resumed>) = 1048576 [pid 11759] <... write resumed>) = 1048576 [pid 11760] munmap(0x7f43cac00000, 138412032 [pid 11759] munmap(0x7f43cac00000, 138412032 [pid 11753] <... truncate resumed>) = 0 [pid 11762] <... write resumed>) = 1048576 [ 343.439386][T11758] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11760] <... munmap resumed>) = 0 [pid 11759] <... munmap resumed>) = 0 [pid 11753] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11762] munmap(0x7f43cac00000, 138412032 [pid 11760] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11753] <... futex resumed>) = 0 [pid 11760] <... openat resumed>) = 4 [pid 11753] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11760] ioctl(4, LOOP_SET_FD, 3 [pid 11762] <... munmap resumed>) = 0 [pid 11760] <... ioctl resumed>) = 0 [pid 11759] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11760] close(3) = 0 [pid 11760] close(4) = 0 [pid 11760] mkdir("./file0", 0777 [pid 11752] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11759] <... openat resumed>) = 4 [pid 11762] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11760] <... mkdir resumed>) = 0 [pid 11759] ioctl(4, LOOP_SET_FD, 3 [pid 11763] <... fsconfig resumed>) = 0 [pid 11762] <... openat resumed>) = 4 [pid 11758] <... mount resumed>) = 0 [pid 11763] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11762] ioctl(4, LOOP_SET_FD, 3 [pid 11760] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11759] <... ioctl resumed>) = 0 [pid 11758] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11763] <... futex resumed>) = 0 [pid 11762] <... ioctl resumed>) = 0 [pid 11759] close(3 [pid 11752] exit_group(0 [pid 11762] close(3 [pid 11759] <... close resumed>) = 0 [pid 11758] <... openat resumed>) = 3 [pid 11753] <... futex resumed>) = ? [pid 11752] <... exit_group resumed>) = ? [ 343.466311][T11763] NILFS (loop4): mounting fs with errors [ 343.472478][T11760] loop1: detected capacity change from 0 to 2048 [ 343.475756][T11764] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 343.493454][T11759] loop2: detected capacity change from 0 to 2048 [ 343.507923][T11762] loop0: detected capacity change from 0 to 2048 [pid 11763] +++ exited with 0 +++ [pid 11762] <... close resumed>) = 0 [pid 11759] close(4 [pid 11758] chdir("./file0" [pid 11753] +++ exited with 0 +++ [pid 11752] +++ exited with 0 +++ [pid 11762] close(4 [pid 11759] <... close resumed>) = 0 [pid 11762] <... close resumed>) = 0 [pid 11759] mkdir("./file0", 0777 [pid 11762] mkdir("./file0", 0777 [pid 11759] <... mkdir resumed>) = 0 [pid 11762] <... mkdir resumed>) = 0 [pid 11759] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11762] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11758] <... chdir resumed>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11752, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11758] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 11758] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 343.518432][T11760] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 343.530630][T11759] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 343.543836][T11762] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11758] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11754] <... futex resumed>) = 0 [pid 11754] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11758] truncate("./file2", 0 [pid 11754] <... futex resumed>) = 0 [pid 11754] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11759] <... mount resumed>) = 0 [pid 5071] umount2("./349", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./349", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11759] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... openat resumed>) = 3 [pid 5071] newfstatat(3, "", [pid 11759] <... openat resumed>) = 3 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, [pid 11759] chdir("./file0" [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11759] <... chdir resumed>) = 0 [pid 5071] umount2("./349/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11759] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./349/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./349/binderfs") = 0 [ 343.560273][T11765] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 343.576791][T11758] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 343.599239][T11766] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5071] umount2("./349/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11762] <... mount resumed>) = 0 [pid 11760] <... mount resumed>) = 0 [pid 11759] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11754] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11759] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11760] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11762] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11760] <... openat resumed>) = 3 [pid 11759] <... futex resumed>) = 1 [pid 11755] <... futex resumed>) = 0 [pid 11754] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11759] truncate("./file2", 0 [pid 11755] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11760] chdir("./file0" [pid 11755] <... futex resumed>) = 0 [pid 11760] <... chdir resumed>) = 0 [pid 11755] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11760] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11754] <... futex resumed>) = 0 [pid 11754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11760] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11754] <... mmap resumed>) = 0x7f43d3126000 [pid 11754] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11754] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[11768]}, 88) = 11768 [pid 11754] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11754] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11754] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11768 attached [pid 11768] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 11760] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11768] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11768] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11768] fspick(AT_FDCWD, ".", 0) = 4 [pid 11768] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11754] <... futex resumed>) = 0 [pid 11754] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11754] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11760] <... futex resumed>) = 1 [pid 11762] <... openat resumed>) = 3 [pid 11760] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11768] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11762] chdir("./file0" [pid 11756] <... futex resumed>) = 0 [pid 11762] <... chdir resumed>) = 0 [pid 11756] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11760] <... futex resumed>) = 0 [pid 11762] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11756] <... futex resumed>) = 1 [pid 11762] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11760] truncate("./file2", 0 [ 343.599527][T11767] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 343.604542][T11758] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 343.634623][T11759] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 343.655570][T11758] Remounting filesystem read-only [pid 11756] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11762] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11761] <... futex resumed>) = 0 [pid 11758] <... truncate resumed>) = 0 [pid 11755] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11762] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11761] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11758] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11755] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11761] <... futex resumed>) = 0 [pid 11758] <... futex resumed>) = 0 [pid 11755] <... futex resumed>) = 0 [pid 11762] truncate("./file2", 0 [pid 11761] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11758] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11756] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11754] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11756] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11755] <... mmap resumed>) = 0x7f43d3126000 [pid 11756] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11755] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11756] <... mprotect resumed>) = 0 [pid 11755] <... mprotect resumed>) = 0 [pid 11756] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11755] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11756] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11755] <... rt_sigprocmask resumed>[], 8) = 0 [ 343.662089][T11760] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 343.669177][T11759] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 343.679658][T11758] NILFS (loop3): error -5 truncating bmap (ino=16) [ 343.687471][T11760] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 343.697672][T11762] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 343.706388][T11768] NILFS (loop3): mounting fs with errors [pid 11756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11755] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11756] <... clone3 resumed> => {parent_tid=[11770]}, 88) = 11770 [pid 11755] <... clone3 resumed> => {parent_tid=[11769]}, 88) = 11769 [pid 11756] rt_sigprocmask(SIG_SETMASK, [], [pid 11755] rt_sigprocmask(SIG_SETMASK, [], [pid 11756] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11755] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 11769 attached [pid 11756] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11755] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11769] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11756] <... futex resumed>) = 0 [pid 11755] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11770 attached [pid 11769] <... rseq resumed>) = 0 [pid 11756] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11755] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11770] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11769] set_robust_list(0x7f43d31469a0, 24 [pid 11770] <... rseq resumed>) = 0 [pid 11769] <... set_robust_list resumed>) = 0 [pid 11770] set_robust_list(0x7f43d31469a0, 24 [pid 11769] rt_sigprocmask(SIG_SETMASK, [], [pid 11770] <... set_robust_list resumed>) = 0 [pid 11769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11770] rt_sigprocmask(SIG_SETMASK, [], [pid 11769] fspick(AT_FDCWD, ".", 0 [pid 11770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11769] <... fspick resumed>) = 4 [pid 11770] fspick(AT_FDCWD, ".", 0 [pid 11769] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11770] <... fspick resumed>) = 4 [pid 11769] <... futex resumed>) = 1 [pid 11755] <... futex resumed>) = 0 [pid 11770] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11769] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11755] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11770] <... futex resumed>) = 1 [pid 11756] <... futex resumed>) = 0 [pid 11770] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11759] <... truncate resumed>) = 0 [pid 11756] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11755] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 11769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11768] <... fsconfig resumed>) = 0 [pid 11756] <... futex resumed>) = 0 [pid 11755] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11769] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11768] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11759] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11756] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11754] exit_group(0 [pid 5071] umount2("./349/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11754] <... exit_group resumed>) = ? [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./349/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] umount2("./349/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./349/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 11759] <... futex resumed>) = 0 [pid 11759] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./349/file0" [pid 11768] <... futex resumed>) = ? [pid 11758] <... futex resumed>) = ? [pid 5071] <... rmdir resumed>) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 11758] +++ exited with 0 +++ [pid 5071] rmdir("./349") = 0 [pid 5071] mkdir("./350", 0777) = 0 [ 343.716044][T11759] Remounting filesystem read-only [ 343.718114][T11762] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 343.732841][T11759] NILFS (loop2): error -5 truncating bmap (ino=16) [ 343.744134][T11769] NILFS (loop2): mounting fs with errors [ 343.744392][T11762] Remounting filesystem read-only [ 343.761972][T11760] Remounting filesystem read-only [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11769] <... fsconfig resumed>) = 0 [pid 11768] +++ exited with 0 +++ [pid 11754] +++ exited with 0 +++ [pid 11769] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11754, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 11769] <... futex resumed>) = 1 [pid 11761] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11769] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11761] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11755] <... futex resumed>) = 0 [pid 5070] umount2("./346", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 11755] exit_group(0 [pid 11769] <... futex resumed>) = ? [pid 11761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11755] <... exit_group resumed>) = ? [pid 11769] +++ exited with 0 +++ [pid 11761] <... mmap resumed>) = 0x7f43d3126000 [pid 11759] <... futex resumed>) = ? [pid 5070] openat(AT_FDCWD, "./346", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11762] <... truncate resumed>) = 0 [pid 11760] <... truncate resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 11762] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11760] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 11762] <... futex resumed>) = 0 [pid 11760] <... futex resumed>) = 0 [pid 11762] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11760] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11770] <... fsconfig resumed>) = 0 [pid 11761] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11759] +++ exited with 0 +++ [pid 11755] +++ exited with 0 +++ [pid 5070] <... openat resumed>) = 3 [pid 11770] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11761] <... mprotect resumed>) = 0 [pid 11756] <... futex resumed>) = 0 [pid 5070] newfstatat(3, "", [pid 11770] <... futex resumed>) = 1 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11755, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11761] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11756] exit_group(0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11756] <... exit_group resumed>) = ? [pid 11760] <... futex resumed>) = ? [pid 11770] +++ exited with 0 +++ [pid 11761] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] getdents64(3, [pid 11761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11771 attached => {parent_tid=[11771]}, 88) = 11771 [pid 11771] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11761] rt_sigprocmask(SIG_SETMASK, [], [pid 11771] <... rseq resumed>) = 0 [pid 11761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11771] set_robust_list(0x7f43d31469a0, 24 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./346", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./346/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./346", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] newfstatat(AT_FDCWD, "./346/binderfs", [pid 11771] <... set_robust_list resumed>) = 0 [pid 11761] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11771] rt_sigprocmask(SIG_SETMASK, [], [pid 11761] <... futex resumed>) = 0 [pid 11760] +++ exited with 0 +++ [pid 11756] +++ exited with 0 +++ [pid 5070] unlink("./346/binderfs" [pid 5069] <... openat resumed>) = 3 [pid 11771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11761] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11771] fspick(AT_FDCWD, ".", 0) = 4 [pid 5070] <... unlink resumed>) = 0 [pid 5069] newfstatat(3, "", [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11756, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11771] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11761] <... futex resumed>) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 11771] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11761] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 11762] <... futex resumed>) = 0 [pid 11761] <... futex resumed>) = 1 [pid 5069] getdents64(3, [pid 11762] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11761] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] umount2("./346/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./346/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./343", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./343", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] newfstatat(AT_FDCWD, "./346/binderfs", [pid 5068] <... openat resumed>) = 3 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11762] <... fsconfig resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5068] newfstatat(3, "", [pid 11762] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11762] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] umount2("./346/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] unlink("./346/binderfs" [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11761] <... futex resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 11761] exit_group(0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(3, [pid 11771] <... futex resumed>) = ? [pid 11762] <... futex resumed>) = ? [pid 11761] <... exit_group resumed>) = ? [pid 5070] newfstatat(AT_FDCWD, "./346/file0", [pid 5069] umount2("./346/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11771] +++ exited with 0 +++ [pid 11762] +++ exited with 0 +++ [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11761] +++ exited with 0 +++ [pid 5070] umount2("./346/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./343/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11761, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./346/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] umount2("./347", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] newfstatat(4, "", [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] openat(AT_FDCWD, "./347", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] getdents64(4, [pid 5067] <... openat resumed>) = 3 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] newfstatat(3, "", [pid 5070] getdents64(4, [pid 5068] newfstatat(AT_FDCWD, "./343/binderfs", [pid 5071] <... ioctl resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 343.762433][T11762] NILFS (loop0): error -5 truncating bmap (ino=16) [ 343.767069][T11760] NILFS (loop1): error -5 truncating bmap (ino=16) [ 343.782063][T11770] NILFS (loop1): mounting fs with errors [ 343.806370][T11762] NILFS (loop0): mounting fs with errors [pid 5070] close(4 [pid 5067] getdents64(3, [pid 5070] <... close resumed>) = 0 [pid 5068] unlink("./343/binderfs" [pid 5070] rmdir("./346/file0" [pid 5068] <... unlink resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] umount2("./343/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./347/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... close resumed>) = 0 [pid 5070] close(3 [pid 5069] umount2("./346/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./346/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] umount2("./346/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... close resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./347/binderfs", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] rmdir("./346" [pid 5069] openat(AT_FDCWD, "./346/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] newfstatat(4, "", ./strace-static-x86_64: Process 11772 attached [pid 5070] <... rmdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] unlink("./347/binderfs" [pid 5070] mkdir("./347", 0777 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, [pid 11772] set_robust_list(0x555589d386a0, 24 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11772 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5068] umount2("./343/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./347/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11772] <... set_robust_list resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] newfstatat(AT_FDCWD, "./343/file0", [pid 5067] <... umount2 resumed>) = 0 [pid 5069] close(4 [pid 11772] chdir("./350" [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./346/file0" [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11772] <... chdir resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5068] umount2("./343/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11772] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11772] setpgid(0, 0 [pid 5069] getdents64(3, [pid 5068] openat(AT_FDCWD, "./343/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11772] <... setpgid resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] umount2("./347/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] close(3 [pid 5068] <... openat resumed>) = 4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... close resumed>) = 0 [pid 5068] newfstatat(4, "", [pid 5067] newfstatat(AT_FDCWD, "./347/file0", [pid 11772] <... openat resumed>) = 3 [pid 5069] rmdir("./346" [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11772] write(3, "1000", 4) = 4 [pid 5068] getdents64(4, [pid 5067] umount2("./347/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11772] close(3) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11772] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... rmdir resumed>) = 0 [pid 5069] mkdir("./347", 0777 [pid 11772] <... symlink resumed>) = 0 [pid 5068] getdents64(4, [pid 5067] openat(AT_FDCWD, "./347/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] close(4 [pid 11772] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 11772] <... futex resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] rmdir("./343/file0" [pid 5067] newfstatat(4, "", [pid 11772] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11772] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] <... openat resumed>) = 3 [pid 11772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] getdents64(3, [pid 5067] getdents64(4, [pid 11772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11772] <... mmap resumed>) = 0x7f43d3147000 [pid 11772] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] getdents64(4, [pid 11772] <... mprotect resumed>) = 0 [pid 5068] close(3) = 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11772] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 5068] rmdir("./343" [pid 5067] close(4 [pid 11772] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5070] close(3) = 0 ./strace-static-x86_64: Process 11773 attached [pid 11772] <... clone3 resumed> => {parent_tid=[11773]}, 88) = 11773 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5068] mkdir("./344", 0777 [pid 11773] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11772] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... mkdir resumed>) = 0 [pid 5067] rmdir("./347/file0" [pid 11773] <... rseq resumed>) = 0 [pid 11773] set_robust_list(0x7f43d31679a0, 24./strace-static-x86_64: Process 11774 attached [pid 11772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11773] <... set_robust_list resumed>) = 0 [pid 11774] set_robust_list(0x555589d386a0, 24) = 0 [pid 11774] chdir("./347") = 0 [pid 11773] rt_sigprocmask(SIG_SETMASK, [], [pid 11774] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11772] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 11772] <... futex resumed>) = 0 [pid 11774] <... prctl resumed>) = 0 [pid 11774] setpgid(0, 0) = 0 [pid 11774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11773] memfd_create("syzkaller", 0 [pid 11772] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5068] <... openat resumed>) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 11773] <... memfd_create resumed>) = 3 [pid 11774] <... openat resumed>) = 3 [pid 5067] getdents64(3, [pid 11774] write(3, "1000", 4 [pid 11773] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11774 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11774] <... write resumed>) = 4 [pid 11773] <... mmap resumed>) = 0x7f43cac00000 [pid 5069] <... ioctl resumed>) = 0 [pid 5067] close(3 [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11774] close(3 [pid 5067] <... close resumed>) = 0 ./strace-static-x86_64: Process 11775 attached [pid 11774] <... close resumed>) = 0 [pid 11773] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5067] rmdir("./347" [pid 11775] set_robust_list(0x555589d386a0, 24 [pid 11774] symlink("/dev/binderfs", "./binderfs" [pid 11775] <... set_robust_list resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11775 [pid 5067] <... rmdir resumed>) = 0 [pid 11775] chdir("./347" [pid 11774] <... symlink resumed>) = 0 [pid 11775] <... chdir resumed>) = 0 [pid 11775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11774] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] mkdir("./348", 0777 [pid 11775] <... prctl resumed>) = 0 [pid 11775] setpgid(0, 0 [pid 11774] <... futex resumed>) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 11775] <... setpgid resumed>) = 0 [pid 11775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11774] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11775] <... openat resumed>) = 3 [pid 11774] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11774] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11775] write(3, "1000", 4 [pid 11774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... openat resumed>) = 3 [pid 11774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11775] <... write resumed>) = 4 [pid 11774] <... mmap resumed>) = 0x7f43d3147000 [pid 11773] <... write resumed>) = 1048576 [pid 5068] close(3 [pid 11775] close(3 [pid 11774] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11775] <... close resumed>) = 0 [pid 11775] symlink("/dev/binderfs", "./binderfs" [pid 11774] <... mprotect resumed>) = 0 [pid 11775] <... symlink resumed>) = 0 [pid 11775] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11775] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11775] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11775] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11774] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11773] munmap(0x7f43cac00000, 138412032 [pid 11775] <... mprotect resumed>) = 0 [pid 11774] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... close resumed>) = 0 [pid 11775] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11775] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 11776 attached [pid 11773] <... munmap resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11776] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11773] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11774] <... clone3 resumed> => {parent_tid=[11776]}, 88) = 11776 ./strace-static-x86_64: Process 11778 attached ./strace-static-x86_64: Process 11777 attached [pid 11776] <... rseq resumed>) = 0 [pid 11774] rt_sigprocmask(SIG_SETMASK, [], [pid 11773] <... openat resumed>) = 4 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11777 [pid 11778] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11777] set_robust_list(0x555589d386a0, 24 [pid 11776] set_robust_list(0x7f43d31679a0, 24 [pid 11775] <... clone3 resumed> => {parent_tid=[11778]}, 88) = 11778 [pid 11774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11773] ioctl(4, LOOP_SET_FD, 3 [pid 11778] <... rseq resumed>) = 0 [pid 11777] <... set_robust_list resumed>) = 0 [pid 11776] <... set_robust_list resumed>) = 0 [pid 11775] rt_sigprocmask(SIG_SETMASK, [], [pid 11774] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11778] set_robust_list(0x7f43d31679a0, 24 [pid 11777] chdir("./344" [pid 11774] <... futex resumed>) = 0 [pid 11778] <... set_robust_list resumed>) = 0 [pid 11777] <... chdir resumed>) = 0 [pid 11774] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11778] rt_sigprocmask(SIG_SETMASK, [], [pid 11777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11777] <... prctl resumed>) = 0 [pid 11778] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11777] setpgid(0, 0 [pid 11776] rt_sigprocmask(SIG_SETMASK, [], [pid 11775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11773] <... ioctl resumed>) = 0 [pid 11777] <... setpgid resumed>) = 0 [pid 11776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11775] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11773] close(3 [pid 11776] memfd_create("syzkaller", 0 [pid 11775] <... futex resumed>) = 1 [pid 11776] <... memfd_create resumed>) = 3 [pid 11775] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11773] <... close resumed>) = 0 [pid 11778] <... futex resumed>) = 0 [pid 11777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11776] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11773] close(4 [pid 11778] memfd_create("syzkaller", 0 [pid 11777] <... openat resumed>) = 3 [pid 11776] <... mmap resumed>) = 0x7f43cac00000 [pid 11773] <... close resumed>) = 0 [pid 11777] write(3, "1000", 4 [pid 11773] mkdir("./file0", 0777) = 0 [pid 11773] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11778] <... memfd_create resumed>) = 3 [pid 11777] <... write resumed>) = 4 [pid 5067] <... ioctl resumed>) = 0 [pid 11778] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11777] close(3 [pid 5067] close(3) = 0 [pid 11776] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11778] <... mmap resumed>) = 0x7f43cac00000 [pid 11777] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11777] symlink("/dev/binderfs", "./binderfs" [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11779 ./strace-static-x86_64: Process 11779 attached [pid 11777] <... symlink resumed>) = 0 [pid 11779] set_robust_list(0x555589d386a0, 24) = 0 [pid 11777] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11779] chdir("./348" [pid 11777] <... futex resumed>) = 0 [pid 11777] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [ 344.046963][T11773] loop4: detected capacity change from 0 to 2048 [ 344.077141][T11773] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11779] <... chdir resumed>) = 0 [pid 11778] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11777] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11777] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11777] <... mprotect resumed>) = 0 [pid 11776] <... write resumed>) = 1048576 [pid 11779] <... prctl resumed>) = 0 [pid 11777] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11779] setpgid(0, 0 [pid 11777] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11779] <... setpgid resumed>) = 0 [pid 11777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11777] <... clone3 resumed> => {parent_tid=[11781]}, 88) = 11781 ./strace-static-x86_64: Process 11781 attached [pid 11781] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11773] <... mount resumed>) = 0 [pid 11781] <... rseq resumed>) = 0 [pid 11773] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11781] set_robust_list(0x7f43d31679a0, 24 [pid 11776] munmap(0x7f43cac00000, 138412032 [pid 11773] <... openat resumed>) = 3 [pid 11781] <... set_robust_list resumed>) = 0 [pid 11773] chdir("./file0" [pid 11781] rt_sigprocmask(SIG_SETMASK, [], [pid 11776] <... munmap resumed>) = 0 [pid 11773] <... chdir resumed>) = 0 [pid 11781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11781] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11779] <... openat resumed>) = 3 [pid 11779] write(3, "1000", 4 [pid 11777] rt_sigprocmask(SIG_SETMASK, [], [pid 11773] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11776] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11773] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11777] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11773] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11781] <... futex resumed>) = 0 [pid 11779] <... write resumed>) = 4 [pid 11777] <... futex resumed>) = 1 [pid 11776] <... openat resumed>) = 4 [pid 11773] <... futex resumed>) = 1 [pid 11772] <... futex resumed>) = 0 [pid 11781] memfd_create("syzkaller", 0 [pid 11779] close(3 [pid 11778] <... write resumed>) = 1048576 [pid 11777] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11776] ioctl(4, LOOP_SET_FD, 3 [pid 11773] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11772] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11781] <... memfd_create resumed>) = 3 [pid 11779] <... close resumed>) = 0 [pid 11773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11772] <... futex resumed>) = 0 [pid 11781] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11779] symlink("/dev/binderfs", "./binderfs" [pid 11773] truncate("./file2", 0 [pid 11781] <... mmap resumed>) = 0x7f43cac00000 [pid 11779] <... symlink resumed>) = 0 [pid 11772] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11779] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11779] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11779] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11779] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11779] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11778] munmap(0x7f43cac00000, 138412032 [pid 11779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} => {parent_tid=[11782]}, 88) = 11782 [pid 11778] <... munmap resumed>) = 0 [pid 11779] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11779] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11779] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11778] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11778] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 11782 attached [pid 11781] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11778] <... ioctl resumed>) = 0 [pid 11782] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11776] <... ioctl resumed>) = 0 [ 344.140106][T11780] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 344.160600][T11776] loop3: detected capacity change from 0 to 2048 [ 344.171046][T11778] loop2: detected capacity change from 0 to 2048 [ 344.177576][T11773] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11778] close(3 [pid 11782] <... rseq resumed>) = 0 [pid 11781] <... write resumed>) = 1048576 [pid 11778] <... close resumed>) = 0 [pid 11776] close(3 [pid 11782] set_robust_list(0x7f43d31679a0, 24 [pid 11778] close(4 [pid 11776] <... close resumed>) = 0 [pid 11782] <... set_robust_list resumed>) = 0 [pid 11781] munmap(0x7f43cac00000, 138412032 [pid 11778] <... close resumed>) = 0 [pid 11778] mkdir("./file0", 0777 [pid 11782] rt_sigprocmask(SIG_SETMASK, [], [pid 11778] <... mkdir resumed>) = 0 [pid 11776] close(4 [pid 11782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11778] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11776] <... close resumed>) = 0 [pid 11776] mkdir("./file0", 0777 [pid 11781] <... munmap resumed>) = 0 [pid 11776] <... mkdir resumed>) = 0 [pid 11782] memfd_create("syzkaller", 0 [pid 11781] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11782] <... memfd_create resumed>) = 3 [pid 11776] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11782] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11781] <... openat resumed>) = 4 [pid 11773] <... truncate resumed>) = 0 [pid 11772] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11781] ioctl(4, LOOP_SET_FD, 3 [pid 11772] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11782] <... mmap resumed>) = 0x7f43cac00000 [pid 11773] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11772] <... futex resumed>) = 0 [pid 11772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11773] <... futex resumed>) = 0 [ 344.189226][T11773] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 344.200180][T11773] Remounting filesystem read-only [ 344.205501][T11773] NILFS (loop4): error -5 truncating bmap (ino=16) [ 344.216651][T11778] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 344.227764][T11781] loop1: detected capacity change from 0 to 2048 [pid 11773] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11781] <... ioctl resumed>) = 0 [pid 11772] <... mmap resumed>) = 0x7f43d3126000 [pid 11781] close(3 [pid 11772] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11781] <... close resumed>) = 0 [pid 11781] close(4 [pid 11772] <... mprotect resumed>) = 0 [pid 11782] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11781] <... close resumed>) = 0 [pid 11781] mkdir("./file0", 0777) = 0 [pid 11772] rt_sigprocmask(SIG_BLOCK, ~[], [ 344.241954][T11776] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 344.267061][T11781] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11781] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11772] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11772] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11784 attached [pid 11784] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11772] <... clone3 resumed> => {parent_tid=[11784]}, 88) = 11784 [pid 11772] rt_sigprocmask(SIG_SETMASK, [], [pid 11784] <... rseq resumed>) = 0 [pid 11784] set_robust_list(0x7f43d31469a0, 24 [pid 11778] <... mount resumed>) = 0 [pid 11772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11784] <... set_robust_list resumed>) = 0 [pid 11784] rt_sigprocmask(SIG_SETMASK, [], [pid 11772] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11778] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11778] chdir("./file0" [pid 11772] <... futex resumed>) = 0 [pid 11778] <... chdir resumed>) = 0 [pid 11784] fspick(AT_FDCWD, ".", 0 [pid 11778] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11772] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11778] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11784] <... fspick resumed>) = 4 [pid 11778] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11784] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11778] <... futex resumed>) = 1 [pid 11778] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11782] <... write resumed>) = 1048576 [pid 11784] <... futex resumed>) = 1 [pid 11782] munmap(0x7f43cac00000, 138412032 [pid 11772] <... futex resumed>) = 0 [pid 11784] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [ 344.292796][T11783] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 344.324149][T11785] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 344.330231][T11782] loop0: detected capacity change from 0 to 2048 [pid 11772] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11782] <... munmap resumed>) = 0 [pid 11773] <... futex resumed>) = 0 [pid 11772] <... futex resumed>) = 1 [pid 11782] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11775] <... futex resumed>) = 0 [pid 11773] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11772] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11782] <... openat resumed>) = 4 [pid 11775] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11782] ioctl(4, LOOP_SET_FD, 3 [pid 11776] <... mount resumed>) = 0 [pid 11775] <... futex resumed>) = 1 [pid 11778] <... futex resumed>) = 0 [pid 11778] truncate("./file2", 0 [pid 11775] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11776] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11776] chdir("./file0") = 0 [pid 11776] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11776] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11776] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11774] <... futex resumed>) = 0 [pid 11774] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11776] <... futex resumed>) = 0 [pid 11776] truncate("./file2", 0 [pid 11774] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11782] <... ioctl resumed>) = 0 [pid 11782] close(3) = 0 [pid 11782] close(4) = 0 [ 344.335446][T11773] NILFS (loop4): mounting fs with errors [ 344.343665][T11778] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 344.349607][T11786] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 344.364264][T11776] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11782] mkdir("./file0", 0777) = 0 [pid 11782] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11781] <... mount resumed>) = 0 [pid 11781] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11773] <... fsconfig resumed>) = 0 [pid 11773] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11781] <... openat resumed>) = 3 [pid 11773] <... futex resumed>) = 1 [pid 11772] <... futex resumed>) = 0 [pid 11773] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11772] exit_group(0 [pid 11773] <... futex resumed>) = ? [pid 11772] <... exit_group resumed>) = ? [pid 11784] <... futex resumed>) = ? [pid 11781] chdir("./file0" [pid 11773] +++ exited with 0 +++ [pid 11784] +++ exited with 0 +++ [pid 11772] +++ exited with 0 +++ [pid 11781] <... chdir resumed>) = 0 [pid 11775] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11774] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11772, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11774] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11774] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11774] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11788 attached [pid 11781] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11778] <... truncate resumed>) = 0 [pid 11775] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11774] <... clone3 resumed> => {parent_tid=[11788]}, 88) = 11788 [pid 11788] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11781] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11775] <... futex resumed>) = 0 [pid 11774] rt_sigprocmask(SIG_SETMASK, [], [pid 11788] <... rseq resumed>) = 0 [pid 11781] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [ 344.389020][T11778] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 344.389216][T11782] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 344.399471][T11776] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 344.423378][T11778] Remounting filesystem read-only [ 344.428845][T11776] Remounting filesystem read-only [ 344.432666][T11778] NILFS (loop2): error -5 truncating bmap (ino=16) [pid 11778] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11788] set_robust_list(0x7f43d31469a0, 24 [pid 11782] <... mount resumed>) = 0 [pid 11781] <... futex resumed>) = 1 [pid 11778] <... futex resumed>) = 0 [pid 11777] <... futex resumed>) = 0 [pid 11774] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11777] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11774] <... futex resumed>) = 0 [pid 11777] <... futex resumed>) = 0 [pid 11774] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11777] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11775] <... mmap resumed>) = 0x7f43d3126000 [pid 11788] <... set_robust_list resumed>) = 0 [pid 11782] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11781] truncate("./file2", 0 [pid 11778] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11776] <... truncate resumed>) = 0 [pid 5071] umount2("./350", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11776] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11775] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11788] rt_sigprocmask(SIG_SETMASK, [], [pid 11782] <... openat resumed>) = 3 [pid 11776] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11775] <... mprotect resumed>) = 0 [pid 11782] chdir("./file0" [pid 11775] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] openat(AT_FDCWD, "./350", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11782] <... chdir resumed>) = 0 [pid 11775] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... openat resumed>) = 3 [pid 11788] fspick(AT_FDCWD, ".", 0 [pid 11782] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5071] newfstatat(3, "", [pid 11788] <... fspick resumed>) = 4 [pid 11782] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11788] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11782] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11788] <... futex resumed>) = 1 [pid 11774] <... futex resumed>) = 0 [ 344.444961][T11776] NILFS (loop3): error -5 truncating bmap (ino=16) [ 344.445102][T11787] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 344.470586][T11781] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 344.481237][T11781] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 5071] getdents64(3, [pid 11788] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11782] <... futex resumed>) = 1 [pid 11779] <... futex resumed>) = 0 [pid 11775] <... clone3 resumed> => {parent_tid=[11789]}, 88) = 11789 [pid 11774] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11789 attached [pid 11776] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11774] <... futex resumed>) = 0 [pid 11774] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11779] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11775] rt_sigprocmask(SIG_SETMASK, [], [pid 11782] truncate("./file2", 0 [pid 11779] <... futex resumed>) = 0 [pid 11775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11779] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11775] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11775] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./350/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 11789] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 5071] newfstatat(AT_FDCWD, "./350/binderfs", [pid 11789] <... rseq resumed>) = 0 [pid 11789] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11789] fspick(AT_FDCWD, ".", 0) = 4 [pid 11789] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11789] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11777] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11776] <... fsconfig resumed>) = 0 [pid 11775] <... futex resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11777] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11776] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11775] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] unlink("./350/binderfs" [pid 11781] <... truncate resumed>) = 0 [pid 11782] <... truncate resumed>) = 0 [pid 11779] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11778] <... futex resumed>) = 0 [pid 11777] <... futex resumed>) = 0 [pid 11776] <... futex resumed>) = 1 [pid 11775] <... futex resumed>) = 1 [ 344.492046][T11776] NILFS (loop3): mounting fs with errors [ 344.498426][T11782] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 344.503156][T11781] Remounting filesystem read-only [ 344.510371][T11782] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 344.515493][T11781] NILFS (loop1): error -5 truncating bmap (ino=16) [ 344.525622][T11782] Remounting filesystem read-only [ 344.536046][T11782] NILFS (loop0): error -5 truncating bmap (ino=16) [pid 11774] <... futex resumed>) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 11782] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11779] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11778] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11774] exit_group(0 [pid 11781] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11776] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11775] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] umount2("./350/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11781] <... futex resumed>) = 0 [pid 11777] <... mmap resumed>) = 0x7f43d3126000 [pid 11781] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11777] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11777] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11788] <... futex resumed>) = ? [pid 11782] <... futex resumed>) = 0 [pid 11779] <... futex resumed>) = 0 [pid 11778] <... fsconfig resumed>) = 0 [pid 11776] <... futex resumed>) = ? [pid 11774] <... exit_group resumed>) = ? [pid 5071] <... umount2 resumed>) = 0 [pid 11776] +++ exited with 0 +++ [pid 11777] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11788] +++ exited with 0 +++ [pid 11782] fspick(AT_FDCWD, ".", 0 [pid 11779] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11778] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11775] <... futex resumed>) = 0 [pid 11775] exit_group(0 [pid 11789] <... futex resumed>) = ? [pid 11778] <... futex resumed>) = ? [pid 11775] <... exit_group resumed>) = ? [pid 11789] +++ exited with 0 +++ [pid 11782] <... fspick resumed>) = 4 [pid 11774] +++ exited with 0 +++ [pid 5071] umount2("./350/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 11790 attached [pid 11790] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 11790] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11790] rt_sigprocmask(SIG_SETMASK, [], [pid 11778] +++ exited with 0 +++ [pid 11775] +++ exited with 0 +++ [pid 11790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11790] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11782] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11777] <... clone3 resumed> => {parent_tid=[11790]}, 88) = 11790 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11774, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 11782] <... futex resumed>) = 1 [pid 11777] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] newfstatat(AT_FDCWD, "./350/file0", [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11775, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 11782] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11779] <... futex resumed>) = 0 [pid 11777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] umount2("./347", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11777] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11790] <... futex resumed>) = 0 [pid 11777] <... futex resumed>) = 1 [pid 5071] umount2("./350/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "./347", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11777] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11779] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... openat resumed>) = 3 [pid 11790] fspick(AT_FDCWD, ".", 0 [pid 11782] <... futex resumed>) = 0 [pid 11779] <... futex resumed>) = 1 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(3, "", [pid 11790] <... fspick resumed>) = 4 [pid 11782] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11779] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] openat(AT_FDCWD, "./350/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11790] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... openat resumed>) = 4 [pid 11790] <... futex resumed>) = 1 [pid 11782] <... fsconfig resumed>) = 0 [pid 11777] <... futex resumed>) = 0 [pid 5069] getdents64(3, [pid 11782] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11790] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11777] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] newfstatat(4, "", [pid 5070] umount2("./347", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11782] <... futex resumed>) = 1 [pid 11779] <... futex resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11782] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11781] <... futex resumed>) = 0 [pid 11779] exit_group(0 [pid 11777] <... futex resumed>) = 1 [pid 5071] getdents64(4, [pid 5070] openat(AT_FDCWD, "./347", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] umount2("./347/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11782] <... futex resumed>) = ? [ 344.547168][T11778] NILFS (loop2): mounting fs with errors [ 344.581980][T11782] NILFS (loop0): mounting fs with errors [pid 11781] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11779] <... exit_group resumed>) = ? [pid 11777] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] <... openat resumed>) = 3 [pid 11782] +++ exited with 0 +++ [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11779] +++ exited with 0 +++ [pid 5071] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./350/file0") = 0 [pid 5071] getdents64(3, [pid 11781] <... fsconfig resumed>) = 0 [pid 5070] newfstatat(3, "", [pid 5069] newfstatat(AT_FDCWD, "./347/binderfs", [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11779, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 11781] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11781] <... futex resumed>) = 1 [pid 5071] close(3 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11777] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] unlink("./347/binderfs" [pid 11781] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11777] exit_group(0 [pid 5071] <... close resumed>) = 0 [pid 11777] <... exit_group resumed>) = ? [pid 5070] getdents64(3, [pid 5069] <... unlink resumed>) = 0 [pid 11790] <... futex resumed>) = ? [pid 11781] <... futex resumed>) = ? [pid 5071] rmdir("./350" [pid 11790] +++ exited with 0 +++ [pid 11781] +++ exited with 0 +++ [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] mkdir("./351", 0777 [pid 11777] +++ exited with 0 +++ [pid 5070] umount2("./347/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./347/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./348", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... mkdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11777, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./348", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] newfstatat(AT_FDCWD, "./347/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5070] unlink("./347/binderfs" [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] <... unlink resumed>) = 0 [pid 5068] umount2("./344", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] newfstatat(3, "", [pid 5071] <... openat resumed>) = 3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] umount2("./347/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] openat(AT_FDCWD, "./344", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] getdents64(3, [pid 5068] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] umount2("./348/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(3, [pid 5070] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./347/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./347/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] newfstatat(AT_FDCWD, "./348/binderfs", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] newfstatat(AT_FDCWD, "./347/file0", [pid 5068] umount2("./344/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] unlink("./348/binderfs" [ 344.597613][T11781] NILFS (loop1): mounting fs with errors [pid 5070] newfstatat(AT_FDCWD, "./347/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] umount2("./347/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./347/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(AT_FDCWD, "./344/binderfs", [pid 5067] <... unlink resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] openat(AT_FDCWD, "./347/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./348/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] unlink("./344/binderfs" [pid 5070] openat(AT_FDCWD, "./347/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... openat resumed>) = 4 [pid 5068] <... unlink resumed>) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5070] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(4, [pid 5071] <... ioctl resumed>) = 0 [pid 5069] newfstatat(4, "", [pid 5068] umount2("./344/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] close(3 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] <... close resumed>) = 0 [pid 5070] getdents64(4, [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./347/file0"./strace-static-x86_64: Process 11791 attached ) = 0 [pid 11791] set_robust_list(0x555589d386a0, 24) = 0 [pid 11791] chdir("./351" [pid 5070] getdents64(3, [pid 11791] <... chdir resumed>) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11791 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11791] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] close(3) = 0 [pid 11791] <... prctl resumed>) = 0 [pid 5070] rmdir("./347" [pid 11791] setpgid(0, 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 11791] <... setpgid resumed>) = 0 [pid 11791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] getdents64(4, [pid 5070] mkdir("./348", 0777 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] getdents64(4, [pid 5067] umount2("./348/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11791] write(3, "1000", 4 [pid 5069] close(4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11791] <... write resumed>) = 4 [pid 5069] <... close resumed>) = 0 [pid 11791] close(3 [pid 5069] rmdir("./347/file0" [pid 5067] newfstatat(AT_FDCWD, "./348/file0", [pid 11791] <... close resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11791] symlink("/dev/binderfs", "./binderfs" [pid 5070] <... openat resumed>) = 3 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] getdents64(3, [pid 5067] umount2("./348/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11791] <... symlink resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] close(3 [pid 5067] openat(AT_FDCWD, "./348/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11791] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... close resumed>) = 0 [pid 11791] <... futex resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 11791] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5069] rmdir("./347" [pid 11791] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] newfstatat(4, "", [pid 11791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] getdents64(4, [pid 11791] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11791] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] close(4) = 0 [pid 11791] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] rmdir("./348/file0" [pid 11791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11792 attached [pid 11792] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 11791] <... clone3 resumed> => {parent_tid=[11792]}, 88) = 11792 [pid 5067] <... rmdir resumed>) = 0 [pid 11792] set_robust_list(0x7f43d31679a0, 24 [pid 11791] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] getdents64(3, [pid 11792] <... set_robust_list resumed>) = 0 [pid 11791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11792] rt_sigprocmask(SIG_SETMASK, [], [pid 11791] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11791] <... futex resumed>) = 0 [pid 5067] close(3 [pid 11792] memfd_create("syzkaller", 0 [pid 11791] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] <... close resumed>) = 0 [pid 5069] mkdir("./348", 0777 [pid 5067] rmdir("./348" [pid 11792] <... memfd_create resumed>) = 3 [pid 11792] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 11792] <... mmap resumed>) = 0x7f43cac00000 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] mkdir("./349", 0777 [pid 5069] <... openat resumed>) = 3 [pid 5068] umount2("./344/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... mkdir resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5068] newfstatat(AT_FDCWD, "./344/file0", [pid 5067] <... openat resumed>) = 3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5068] umount2("./344/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11792] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./344/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] <... ioctl resumed>) = 0 [pid 11792] <... write resumed>) = 1048576 [pid 5067] <... ioctl resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 5068] newfstatat(4, "", [pid 11792] munmap(0x7f43cac00000, 138412032) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 5068] close(4 [pid 5070] <... close resumed>) = 0 [pid 11792] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... close resumed>) = 0 [pid 11792] <... openat resumed>) = 4 [pid 5068] rmdir("./344/file0" [pid 11792] ioctl(4, LOOP_SET_FD, 3 [pid 5068] <... rmdir resumed>) = 0 [pid 5068] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] close(3) = 0 [pid 5068] rmdir("./344"./strace-static-x86_64: Process 11793 attached ) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11793 [pid 5068] mkdir("./345", 0777 [pid 11793] set_robust_list(0x555589d386a0, 24 [pid 5068] <... mkdir resumed>) = 0 [pid 11793] <... set_robust_list resumed>) = 0 [pid 11793] chdir("./348" [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] close(3 [pid 11793] <... chdir resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... close resumed>) = 0 [pid 5069] close(3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 11794 attached ./strace-static-x86_64: Process 11795 attached [pid 11793] setpgid(0, 0 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11794 [pid 11795] set_robust_list(0x555589d386a0, 24 [pid 11793] <... setpgid resumed>) = 0 [pid 11795] <... set_robust_list resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11795 [pid 11794] set_robust_list(0x555589d386a0, 24 [pid 11795] chdir("./348" [pid 11793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11795] <... chdir resumed>) = 0 [pid 11792] <... ioctl resumed>) = 0 [pid 11795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11792] close(3) = 0 [pid 11795] setpgid(0, 0 [pid 11792] close(4) = 0 [pid 11795] <... setpgid resumed>) = 0 [pid 11792] mkdir("./file0", 0777) = 0 [pid 11795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11795] write(3, "1000", 4 [pid 11792] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11795] <... write resumed>) = 4 [pid 11794] <... set_robust_list resumed>) = 0 [pid 11795] close(3) = 0 [pid 11793] <... openat resumed>) = 3 [ 344.776008][T11792] loop4: detected capacity change from 0 to 2048 [pid 11794] chdir("./349" [pid 11795] symlink("/dev/binderfs", "./binderfs" [pid 11793] write(3, "1000", 4 [pid 11795] <... symlink resumed>) = 0 [pid 11795] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11795] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11795] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11793] <... write resumed>) = 4 [pid 11794] <... chdir resumed>) = 0 [pid 11794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11793] close(3 [pid 11794] <... prctl resumed>) = 0 [pid 11795] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11793] <... close resumed>) = 0 [pid 11794] setpgid(0, 0 [pid 11793] symlink("/dev/binderfs", "./binderfs" [pid 11794] <... setpgid resumed>) = 0 [pid 11795] <... mprotect resumed>) = 0 [pid 11793] <... symlink resumed>) = 0 [pid 11794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11795] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11793] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11794] <... openat resumed>) = 3 [pid 11793] <... futex resumed>) = 0 [pid 11794] write(3, "1000", 4 [pid 11795] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11793] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11794] <... write resumed>) = 4 [pid 11795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11793] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11794] close(3 [pid 11795] <... clone3 resumed> => {parent_tid=[11796]}, 88) = 11796 [pid 11795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11795] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11795] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11796 attached [pid 11796] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 11794] <... close resumed>) = 0 [pid 11796] set_robust_list(0x7f43d31679a0, 24 [pid 11794] symlink("/dev/binderfs", "./binderfs" [pid 11793] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11796] <... set_robust_list resumed>) = 0 [pid 11793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11796] rt_sigprocmask(SIG_SETMASK, [], [pid 11794] <... symlink resumed>) = 0 [pid 11793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11793] <... mmap resumed>) = 0x7f43d3147000 [pid 11796] memfd_create("syzkaller", 0) = 3 [pid 11794] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11793] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11796] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11794] <... futex resumed>) = 0 [pid 11793] <... mprotect resumed>) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 11796] <... mmap resumed>) = 0x7f43cac00000 [pid 11794] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11793] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11794] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11793] <... rt_sigprocmask resumed>[], 8) = 0 [ 344.817540][T11792] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11793] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5068] close(3 [pid 11794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... close resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11792] <... mount resumed>) = 0 ./strace-static-x86_64: Process 11799 attached [pid 11799] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11792] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11798 [pid 11799] <... rseq resumed>) = 0 [pid 11792] <... openat resumed>) = 3 [pid 11799] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11792] chdir("./file0" [pid 11799] rt_sigprocmask(SIG_SETMASK, [], [pid 11792] <... chdir resumed>) = 0 [pid 11799] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11796] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11794] <... mmap resumed>) = 0x7f43d3147000 [pid 11793] <... clone3 resumed> => {parent_tid=[11799]}, 88) = 11799 [pid 11792] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 11798 attached [pid 11799] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11794] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11792] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11794] <... mprotect resumed>) = 0 [pid 11798] set_robust_list(0x555589d386a0, 24 [pid 11794] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11792] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11798] <... set_robust_list resumed>) = 0 [pid 11793] rt_sigprocmask(SIG_SETMASK, [], [pid 11794] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11792] <... futex resumed>) = 1 [pid 11794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11798] chdir("./345" [pid 11793] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11791] <... futex resumed>) = 0 [pid 11798] <... chdir resumed>) = 0 [pid 11794] <... clone3 resumed> => {parent_tid=[11800]}, 88) = 11800 [pid 11791] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11793] <... futex resumed>) = 1 [pid 11794] rt_sigprocmask(SIG_SETMASK, [], [pid 11793] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11791] <... futex resumed>) = 0 [pid 11794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11791] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11794] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11799] <... futex resumed>) = 0 [pid 11794] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11798] <... prctl resumed>) = 0 [pid 11798] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 11800 attached [pid 11799] memfd_create("syzkaller", 0 [pid 11792] truncate("./file2", 0 [pid 11800] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 11798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11799] <... memfd_create resumed>) = 3 [pid 11796] <... write resumed>) = 1048576 [pid 11796] munmap(0x7f43cac00000, 138412032 [pid 11800] set_robust_list(0x7f43d31679a0, 24 [pid 11798] <... openat resumed>) = 3 [pid 11799] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11796] <... munmap resumed>) = 0 [pid 11798] write(3, "1000", 4) = 4 [ 344.883695][T11797] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 344.918559][T11792] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11798] close(3) = 0 [pid 11798] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11796] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11798] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11800] <... set_robust_list resumed>) = 0 [pid 11798] <... futex resumed>) = 0 [pid 11799] <... mmap resumed>) = 0x7f43cac00000 [pid 11796] ioctl(4, LOOP_SET_FD, 3 [pid 11800] rt_sigprocmask(SIG_SETMASK, [], [pid 11798] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11792] <... truncate resumed>) = 0 [pid 11792] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11792] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11799] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11798] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11796] <... ioctl resumed>) = 0 [pid 11791] <... futex resumed>) = 0 [pid 11800] memfd_create("syzkaller", 0 [pid 11798] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11796] close(3 [pid 11791] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11800] <... memfd_create resumed>) = 3 [pid 11798] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11796] <... close resumed>) = 0 [pid 11791] <... futex resumed>) = 1 [pid 11798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11796] close(4 [pid 11791] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11800] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11798] <... mmap resumed>) = 0x7f43d3147000 [pid 11796] <... close resumed>) = 0 [pid 11792] <... futex resumed>) = 0 [pid 11792] fspick(AT_FDCWD, ".", 0) = 4 [pid 11792] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11792] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11799] <... write resumed>) = 1048576 [pid 11796] mkdir("./file0", 0777 [pid 11798] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11799] munmap(0x7f43cac00000, 138412032 [pid 11796] <... mkdir resumed>) = 0 [pid 11791] <... futex resumed>) = 0 [pid 11798] <... mprotect resumed>) = 0 [pid 11791] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11798] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11799] <... munmap resumed>) = 0 [pid 11796] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11792] <... futex resumed>) = 0 [pid 11791] <... futex resumed>) = 1 [ 344.930304][T11792] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 344.941425][T11792] Remounting filesystem read-only [ 344.946507][T11792] NILFS (loop4): error -5 truncating bmap (ino=16) [ 344.954289][T11796] loop2: detected capacity change from 0 to 2048 [pid 11792] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11791] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11798] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11798] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} => {parent_tid=[11801]}, 88) = 11801 [pid 11798] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11801 attached [pid 11800] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11799] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11801] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11799] <... openat resumed>) = 4 [pid 11801] <... rseq resumed>) = 0 [pid 11799] ioctl(4, LOOP_SET_FD, 3 [pid 11801] set_robust_list(0x7f43d31679a0, 24 [pid 11799] <... ioctl resumed>) = 0 [pid 11801] <... set_robust_list resumed>) = 0 [pid 11801] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11799] close(3 [pid 11801] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11799] <... close resumed>) = 0 [pid 11799] close(4) = 0 [pid 11799] mkdir("./file0", 0777) = 0 [pid 11799] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11798] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11800] <... write resumed>) = 1048576 [pid 11798] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11798] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11801] <... futex resumed>) = 0 [pid 11792] <... fsconfig resumed>) = 0 [pid 11801] memfd_create("syzkaller", 0 [pid 11792] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 344.993386][T11792] NILFS (loop4): mounting fs with errors [ 345.000664][T11796] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 345.010260][T11799] loop3: detected capacity change from 0 to 2048 [ 345.031400][T11799] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11792] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11801] <... memfd_create resumed>) = 3 [pid 11791] <... futex resumed>) = 0 [pid 11801] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11791] exit_group(0 [pid 11801] <... mmap resumed>) = 0x7f43cac00000 [pid 11792] <... futex resumed>) = ? [pid 11791] <... exit_group resumed>) = ? [pid 11792] +++ exited with 0 +++ [pid 11800] munmap(0x7f43cac00000, 138412032) = 0 [pid 11800] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11791] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11791, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 11801] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11800] <... openat resumed>) = 4 [pid 5071] umount2("./351", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./351", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, [pid 11800] ioctl(4, LOOP_SET_FD, 3 [pid 11796] <... mount resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./351/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./351/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./351/binderfs") = 0 [pid 5071] umount2("./351/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11796] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11796] chdir("./file0") = 0 [pid 11796] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11799] <... mount resumed>) = 0 [pid 11799] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11799] chdir("./file0") = 0 [pid 11799] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11799] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11793] <... futex resumed>) = 0 [ 345.047583][T11802] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 345.071250][T11800] loop0: detected capacity change from 0 to 2048 [ 345.086478][T11803] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11799] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11793] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11793] <... futex resumed>) = 0 [pid 11799] truncate("./file2", 0 [pid 11793] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11801] <... write resumed>) = 1048576 [pid 11800] <... ioctl resumed>) = 0 [pid 11796] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11800] close(3) = 0 [pid 11800] close(4 [pid 11801] munmap(0x7f43cac00000, 138412032 [pid 11800] <... close resumed>) = 0 [pid 11796] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... umount2 resumed>) = 0 [pid 11796] <... futex resumed>) = 1 [pid 11801] <... munmap resumed>) = 0 [pid 11800] mkdir("./file0", 0777 [pid 11796] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11795] <... futex resumed>) = 0 [pid 5071] umount2("./351/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11800] <... mkdir resumed>) = 0 [pid 11796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11795] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11801] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11800] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11796] truncate("./file2", 0 [pid 11795] <... futex resumed>) = 0 [ 345.099843][T11799] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 345.122401][T11799] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 345.134397][T11799] Remounting filesystem read-only [ 345.140613][T11799] NILFS (loop3): error -5 truncating bmap (ino=16) [pid 5071] newfstatat(AT_FDCWD, "./351/file0", [pid 11795] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11801] <... openat resumed>) = 4 [pid 11799] <... truncate resumed>) = 0 [pid 5071] umount2("./351/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11801] ioctl(4, LOOP_SET_FD, 3 [pid 11799] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11793] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11793] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11793] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] openat(AT_FDCWD, "./351/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11799] <... futex resumed>) = 1 [pid 11793] <... futex resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 11799] fspick(AT_FDCWD, ".", 0 [pid 11793] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=20000000} [pid 5071] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11799] <... fspick resumed>) = 4 [pid 5071] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./351/file0" [pid 11799] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... rmdir resumed>) = 0 [pid 11799] <... futex resumed>) = 1 [pid 11799] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11793] <... futex resumed>) = 0 [pid 11793] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11793] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11801] <... ioctl resumed>) = 0 [pid 11799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11801] close(3 [pid 11799] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11801] <... close resumed>) = 0 [ 345.150444][T11796] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 345.158705][T11801] loop1: detected capacity change from 0 to 2048 [ 345.165560][T11796] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 345.170926][T11800] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 345.180764][T11796] Remounting filesystem read-only [pid 5071] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./351") = 0 [pid 5071] mkdir("./352", 0777) = 0 [pid 11801] close(4 [pid 11795] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11801] <... close resumed>) = 0 [pid 11795] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11801] mkdir("./file0", 0777 [pid 11795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11801] <... mkdir resumed>) = 0 [pid 11795] <... mmap resumed>) = 0x7f43d3126000 [pid 5071] <... openat resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 11795] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11801] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11799] <... fsconfig resumed>) = 0 [pid 11796] <... truncate resumed>) = 0 [pid 11795] <... mprotect resumed>) = 0 [pid 11795] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11799] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11795] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11799] <... futex resumed>) = 1 [pid 11796] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11793] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11805 attached [pid 11799] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11796] <... futex resumed>) = 0 [pid 11805] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11793] exit_group(0 [pid 11805] <... rseq resumed>) = 0 [pid 11793] <... exit_group resumed>) = ? [pid 11805] set_robust_list(0x7f43d31469a0, 24 [pid 11795] <... clone3 resumed> => {parent_tid=[11805]}, 88) = 11805 [pid 11805] <... set_robust_list resumed>) = 0 [pid 11795] rt_sigprocmask(SIG_SETMASK, [], [pid 11805] rt_sigprocmask(SIG_SETMASK, [], [pid 11795] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11795] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11805] fspick(AT_FDCWD, ".", 0 [pid 11795] <... futex resumed>) = 0 [pid 11805] <... fspick resumed>) = 4 [pid 11795] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11805] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11795] <... futex resumed>) = 0 [pid 11805] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11795] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11795] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11800] <... mount resumed>) = 0 [pid 11799] <... futex resumed>) = ? [pid 11796] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11800] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 345.202925][T11799] NILFS (loop3): mounting fs with errors [ 345.215149][T11796] NILFS (loop2): error -5 truncating bmap (ino=16) [ 345.227746][T11804] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 345.228760][T11801] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11800] chdir("./file0" [pid 11799] +++ exited with 0 +++ [pid 11793] +++ exited with 0 +++ [pid 5071] <... ioctl resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11793, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5071] close(3) = 0 [pid 5070] umount2("./348", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11800] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 11807 attached [pid 5070] openat(AT_FDCWD, "./348", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11807] set_robust_list(0x555589d386a0, 24 [pid 5070] <... openat resumed>) = 3 [pid 11807] <... set_robust_list resumed>) = 0 [pid 11795] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] newfstatat(3, "", [pid 11807] chdir("./352" [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11807] <... chdir resumed>) = 0 [pid 5070] getdents64(3, [pid 11807] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11800] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11807] <... prctl resumed>) = 0 [pid 11801] <... mount resumed>) = 0 [pid 5070] umount2("./348/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11807] setpgid(0, 0 [pid 11801] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11800] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11807] <... setpgid resumed>) = 0 [pid 11800] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11807 [pid 5070] newfstatat(AT_FDCWD, "./348/binderfs", [pid 11807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11801] <... openat resumed>) = 3 [pid 11800] <... futex resumed>) = 1 [pid 11794] <... futex resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11807] <... openat resumed>) = 3 [pid 11801] chdir("./file0" [pid 11800] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11794] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] unlink("./348/binderfs" [pid 11807] write(3, "1000", 4 [pid 11801] <... chdir resumed>) = 0 [pid 11800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11794] <... futex resumed>) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 11807] <... write resumed>) = 4 [pid 11801] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11800] truncate("./file2", 0 [pid 11796] <... fsconfig resumed>) = 0 [ 345.266656][T11806] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 345.269540][T11796] NILFS (loop2): mounting fs with errors [pid 11794] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] umount2("./348/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11807] close(3 [pid 11801] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11796] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11807] <... close resumed>) = 0 [pid 11796] <... futex resumed>) = 0 [pid 11795] exit_group(0 [pid 11807] symlink("/dev/binderfs", "./binderfs" [pid 11805] <... futex resumed>) = ? [pid 11795] <... exit_group resumed>) = ? [pid 11807] <... symlink resumed>) = 0 [pid 11805] +++ exited with 0 +++ [pid 11796] +++ exited with 0 +++ [pid 11795] +++ exited with 0 +++ [pid 11807] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11807] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11807] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11795, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 11807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11801] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11807] <... mmap resumed>) = 0x7f43d3147000 [pid 11801] <... futex resumed>) = 1 [pid 11798] <... futex resumed>) = 0 [pid 11807] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11801] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11798] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./348", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11807] <... mprotect resumed>) = 0 [pid 11801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11798] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11807] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11801] truncate("./file2", 0 [pid 11798] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11807] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] openat(AT_FDCWD, "./348", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11807] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5069] <... openat resumed>) = 3 ./strace-static-x86_64: Process 11808 attached [pid 11808] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11807] <... clone3 resumed> => {parent_tid=[11808]}, 88) = 11808 [pid 11808] <... rseq resumed>) = 0 [pid 11807] rt_sigprocmask(SIG_SETMASK, [], [pid 11808] set_robust_list(0x7f43d31679a0, 24 [pid 11807] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11808] <... set_robust_list resumed>) = 0 [pid 11807] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11808] rt_sigprocmask(SIG_SETMASK, [], [pid 11807] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11808] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11808] memfd_create("syzkaller", 0) = 3 [pid 5069] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./348/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./348/binderfs", [pid 11808] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] unlink("./348/binderfs") = 0 [ 345.308565][T11800] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 345.328950][T11801] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 345.338644][T11800] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 5069] umount2("./348/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11808] <... mmap resumed>) = 0x7f43cac00000 [pid 11794] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11794] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11794] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 11794] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11798] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11798] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11809 attached ) = 0 [pid 11794] <... clone3 resumed> => {parent_tid=[11809]}, 88) = 11809 [pid 11798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11809] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11798] <... mmap resumed>) = 0x7f43d3126000 [pid 11794] rt_sigprocmask(SIG_SETMASK, [], [pid 11798] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11798] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11809] <... rseq resumed>) = 0 [pid 11808] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11798] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] umount2("./348/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = 0 [pid 11809] set_robust_list(0x7f43d31469a0, 24 [pid 11798] <... clone3 resumed> => {parent_tid=[11810]}, 88) = 11810 [pid 11798] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11798] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11798] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11810 attached [ 345.358742][T11801] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 345.385101][T11801] Remounting filesystem read-only [ 345.391424][T11800] Remounting filesystem read-only [ 345.391500][T11801] NILFS (loop1): error -5 truncating bmap (ino=16) [pid 11810] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 11809] <... set_robust_list resumed>) = 0 [pid 11801] <... truncate resumed>) = 0 [pid 11794] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./348/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11809] rt_sigprocmask(SIG_SETMASK, [], [pid 11801] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11794] <... futex resumed>) = 0 [pid 5070] newfstatat(AT_FDCWD, "./348/file0", [pid 11809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11801] <... futex resumed>) = 0 [pid 11794] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11809] fspick(AT_FDCWD, ".", 0 [pid 11801] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] newfstatat(AT_FDCWD, "./348/file0", [pid 11809] <... fspick resumed>) = 4 [pid 5070] umount2("./348/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11809] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./348/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11809] <... futex resumed>) = 1 [pid 11794] <... futex resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./348/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11809] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11794] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11794] <... futex resumed>) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5069] openat(AT_FDCWD, "./348/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11794] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] newfstatat(4, "", [pid 11809] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5069] <... openat resumed>) = 4 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11810] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11810] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11810] fspick(AT_FDCWD, ".", 0) = 4 [pid 11810] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11798] <... futex resumed>) = 0 [pid 11810] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11798] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11801] <... futex resumed>) = 0 [pid 11798] <... futex resumed>) = 1 [pid 11801] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11798] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] getdents64(4, [pid 5069] newfstatat(4, "", [pid 11809] <... fsconfig resumed>) = 0 [pid 11808] <... write resumed>) = 1048576 [pid 11800] <... truncate resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11809] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11808] munmap(0x7f43cac00000, 138412032 [pid 11800] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] getdents64(4, [pid 5069] getdents64(4, [pid 11809] <... futex resumed>) = 1 [pid 11808] <... munmap resumed>) = 0 [pid 11801] <... fsconfig resumed>) = 0 [pid 11800] <... futex resumed>) = 0 [pid 11794] <... futex resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11809] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11808] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11801] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11800] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11794] exit_group(0 [pid 5070] close(4 [pid 5069] getdents64(4, [pid 11809] <... futex resumed>) = ? [pid 11808] <... openat resumed>) = 4 [pid 11801] <... futex resumed>) = 1 [pid 11800] <... futex resumed>) = ? [pid 11798] <... futex resumed>) = 0 [pid 11794] <... exit_group resumed>) = ? [pid 5070] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11809] +++ exited with 0 +++ [pid 11808] ioctl(4, LOOP_SET_FD, 3 [pid 11801] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11800] +++ exited with 0 +++ [pid 11798] exit_group(0 [pid 5070] rmdir("./348/file0" [pid 5069] close(4 [pid 11794] +++ exited with 0 +++ [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5070] getdents64(3, [pid 5069] rmdir("./348/file0" [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5070] close(3 [pid 5069] getdents64(3, [pid 5070] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] rmdir("./348" [pid 5069] close(3 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5070] mkdir("./349", 0777 [pid 5069] rmdir("./348" [pid 11810] <... futex resumed>) = ? [pid 11808] <... ioctl resumed>) = 0 [pid 11801] <... futex resumed>) = ? [pid 11798] <... exit_group resumed>) = ? [pid 5070] <... mkdir resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11794, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 11810] +++ exited with 0 +++ [pid 11801] +++ exited with 0 +++ [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... rmdir resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] mkdir("./349", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11808] close(3 [pid 11798] +++ exited with 0 +++ [pid 11808] <... close resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11798, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5069] <... openat resumed>) = 3 [pid 11808] close(4 [pid 5067] umount2("./349", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11808] <... close resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11808] mkdir("./file0", 0777 [pid 5067] openat(AT_FDCWD, "./349", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11808] <... mkdir resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 11808] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] umount2("./345", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 345.397381][T11800] NILFS (loop0): error -5 truncating bmap (ino=16) [ 345.413767][T11809] NILFS (loop0): mounting fs with errors [ 345.421731][T11801] NILFS (loop1): mounting fs with errors [ 345.437012][T11808] loop4: detected capacity change from 0 to 2048 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] openat(AT_FDCWD, "./345", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./349/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./349/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./349/binderfs") = 0 [pid 5067] umount2("./349/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 3 [pid 5068] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./345/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = 0 [pid 11808] <... mount resumed>) = 0 [pid 5067] umount2("./349/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11808] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5070] <... ioctl resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11808] chdir("./file0") = 0 [pid 11808] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11808] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] close(3 [pid 5068] newfstatat(AT_FDCWD, "./345/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] unlink("./345/binderfs") = 0 [pid 5068] umount2("./345/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11808] <... futex resumed>) = 1 [pid 5070] <... close resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./349/file0", [pid 11808] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11807] <... futex resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] close(3 [pid 11807] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... close resumed>) = 0 [pid 5067] umount2("./349/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11808] <... futex resumed>) = 0 [pid 11807] <... futex resumed>) = 1 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11812 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11808] truncate("./file2", 0 [pid 11807] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 345.468187][T11808] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 345.490656][T11811] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5067] openat(AT_FDCWD, "./349/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... openat resumed>) = 4 ./strace-static-x86_64: Process 11812 attached [pid 11812] set_robust_list(0x555589d386a0, 24) = 0 [pid 11812] chdir("./349") = 0 [pid 11812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11812] setpgid(0, 0) = 0 [pid 11812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] newfstatat(4, "", [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11813 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 11813 attached [pid 11812] write(3, "1000", 4 [pid 5068] umount2("./345/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11813] set_robust_list(0x555589d386a0, 24 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] getdents64(4, [pid 11813] <... set_robust_list resumed>) = 0 [pid 11812] <... write resumed>) = 4 [pid 5068] newfstatat(AT_FDCWD, "./345/file0", [pid 11812] close(3 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11813] chdir("./349" [pid 11812] <... close resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] getdents64(4, [pid 11813] <... chdir resumed>) = 0 [pid 11812] symlink("/dev/binderfs", "./binderfs" [pid 5068] umount2("./345/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11812] <... symlink resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./345/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11812] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 4 [pid 11813] <... prctl resumed>) = 0 [pid 11812] <... futex resumed>) = 0 [pid 5068] newfstatat(4, "", [pid 5067] close(4 [pid 11813] setpgid(0, 0) = 0 [pid 5067] <... close resumed>) = 0 [pid 11813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11812] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] rmdir("./349/file0" [pid 11812] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] getdents64(4, [ 345.531399][T11808] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 345.558750][T11808] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11813] <... openat resumed>) = 3 [pid 11812] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] <... rmdir resumed>) = 0 [pid 11813] write(3, "1000", 4 [pid 11812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] getdents64(4, [pid 5067] getdents64(3, [pid 11813] <... write resumed>) = 4 [pid 11813] close(3 [pid 11812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11813] <... close resumed>) = 0 [pid 5067] close(3 [pid 11813] symlink("/dev/binderfs", "./binderfs" [pid 5068] close(4 [pid 11813] <... symlink resumed>) = 0 [pid 11812] <... mmap resumed>) = 0x7f43d3147000 [pid 5068] <... close resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 11812] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5068] rmdir("./345/file0" [pid 11812] <... mprotect resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 11812] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11812] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] close(3 [pid 11812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5068] <... close resumed>) = 0 [pid 11813] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./345" [pid 11808] <... truncate resumed>) = 0 [pid 5067] rmdir("./349"./strace-static-x86_64: Process 11814 attached [pid 11813] <... futex resumed>) = 0 [pid 11812] <... clone3 resumed> => {parent_tid=[11814]}, 88) = 11814 [pid 11807] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 11814] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11813] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11812] rt_sigprocmask(SIG_SETMASK, [], [pid 11808] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11807] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] mkdir("./350", 0777 [pid 11814] <... rseq resumed>) = 0 [pid 11813] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11808] <... futex resumed>) = 0 [pid 11807] <... futex resumed>) = 0 [pid 5068] mkdir("./346", 0777 [pid 11814] set_robust_list(0x7f43d31679a0, 24 [pid 11813] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11812] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11808] fspick(AT_FDCWD, ".", 0 [pid 11807] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... mkdir resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 11814] <... set_robust_list resumed>) = 0 [pid 11813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11812] <... futex resumed>) = 0 [pid 11808] <... fspick resumed>) = 4 [pid 11814] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11814] memfd_create("syzkaller", 0 [pid 11813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11812] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11808] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11808] <... futex resumed>) = 1 [pid 11807] <... futex resumed>) = 0 [pid 11814] <... memfd_create resumed>) = 3 [pid 11808] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11807] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 3 [pid 11814] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11813] <... mmap resumed>) = 0x7f43d3147000 [pid 11807] <... futex resumed>) = 0 [pid 11814] <... mmap resumed>) = 0x7f43cac00000 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 11807] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11813] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11813] <... mprotect resumed>) = 0 [pid 11813] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11808] <... fsconfig resumed>) = 0 [pid 11814] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11813] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11808] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11808] <... futex resumed>) = 1 [pid 11808] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11807] <... futex resumed>) = 0 [pid 11807] exit_group(0 [pid 11813] <... clone3 resumed> => {parent_tid=[11815]}, 88) = 11815 [pid 11807] <... exit_group resumed>) = ? [pid 11813] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11815 attached NULL, 8) = 0 [pid 11808] <... futex resumed>) = ? [pid 11815] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11813] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11808] +++ exited with 0 +++ [pid 11807] +++ exited with 0 +++ [pid 11815] <... rseq resumed>) = 0 [pid 11815] set_robust_list(0x7f43d31679a0, 24 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11807, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 11815] <... set_robust_list resumed>) = 0 [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 11815] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] <... restart_syscall resumed>) = 0 [pid 11815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11815] memfd_create("syzkaller", 0 [pid 11813] <... futex resumed>) = 0 [pid 5071] umount2("./352", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11813] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11815] <... memfd_create resumed>) = 3 [pid 5071] openat(AT_FDCWD, "./352", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11815] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... openat resumed>) = 3 [pid 11815] <... mmap resumed>) = 0x7f43cac00000 [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./352/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./352/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./352/binderfs") = 0 [pid 5071] umount2("./352/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11814] <... write resumed>) = 1048576 [pid 11815] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11814] munmap(0x7f43cac00000, 138412032 [pid 5068] <... ioctl resumed>) = 0 [pid 5068] close(3) = 0 [pid 11814] <... munmap resumed>) = 0 [ 345.576904][T11808] Remounting filesystem read-only [ 345.585060][T11808] NILFS (loop4): error -5 truncating bmap (ino=16) [ 345.603715][T11808] NILFS (loop4): mounting fs with errors [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11816 attached [pid 11815] <... write resumed>) = 1048576 [pid 11814] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11816] set_robust_list(0x555589d386a0, 24 [pid 11815] munmap(0x7f43cac00000, 138412032 [pid 11814] <... openat resumed>) = 4 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11816 [pid 11816] <... set_robust_list resumed>) = 0 [pid 11815] <... munmap resumed>) = 0 [pid 11814] ioctl(4, LOOP_SET_FD, 3 [pid 11816] chdir("./346" [pid 11815] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11816] <... chdir resumed>) = 0 [pid 11815] <... openat resumed>) = 4 [pid 11816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11815] ioctl(4, LOOP_SET_FD, 3 [pid 5067] <... ioctl resumed>) = 0 [pid 11816] <... prctl resumed>) = 0 [pid 5067] close(3 [pid 11816] setpgid(0, 0) = 0 [pid 5067] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11816] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 11817 attached [pid 11816] close(3 [pid 11815] <... ioctl resumed>) = 0 [pid 11814] <... ioctl resumed>) = 0 [pid 5071] umount2("./352/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11817 [pid 11817] set_robust_list(0x555589d386a0, 24 [pid 11816] <... close resumed>) = 0 [pid 11815] close(3 [pid 11814] close(3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11817] <... set_robust_list resumed>) = 0 [pid 11816] symlink("/dev/binderfs", "./binderfs" [pid 11815] <... close resumed>) = 0 [pid 11814] <... close resumed>) = 0 [pid 5071] newfstatat(AT_FDCWD, "./352/file0", [pid 11816] <... symlink resumed>) = 0 [pid 11815] close(4 [pid 11816] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11815] <... close resumed>) = 0 [pid 11814] close(4 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11816] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11815] mkdir("./file0", 0777 [pid 11814] <... close resumed>) = 0 [pid 5071] umount2("./352/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11817] chdir("./350" [pid 11816] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11815] <... mkdir resumed>) = 0 [pid 11814] mkdir("./file0", 0777 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11817] <... chdir resumed>) = 0 [pid 11816] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11814] <... mkdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./352/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11817] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11815] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5071] <... openat resumed>) = 4 [pid 11817] <... prctl resumed>) = 0 [pid 11816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11814] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11817] setpgid(0, 0 [pid 11816] <... mmap resumed>) = 0x7f43d3147000 [ 345.678849][T11814] loop3: detected capacity change from 0 to 2048 [ 345.680553][T11815] loop2: detected capacity change from 0 to 2048 [pid 5071] newfstatat(4, "", [pid 11817] <... setpgid resumed>) = 0 [pid 11816] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11816] <... mprotect resumed>) = 0 [pid 5071] getdents64(4, [pid 11816] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11816] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11817] write(3, "1000", 4 [pid 11816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [ 345.727412][T11815] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 345.729883][T11814] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 345.752930][T11819] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5071] getdents64(4, [pid 11817] <... write resumed>) = 4 ./strace-static-x86_64: Process 11818 attached [pid 11817] close(3 [pid 11815] <... mount resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11817] <... close resumed>) = 0 [pid 11816] <... clone3 resumed> => {parent_tid=[11818]}, 88) = 11818 [pid 5071] close(4 [pid 11818] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 5071] <... close resumed>) = 0 [pid 11816] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] rmdir("./352/file0" [pid 11818] <... rseq resumed>) = 0 [pid 11818] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11818] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11818] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 11816] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] getdents64(3, [pid 11818] <... futex resumed>) = 0 [pid 11817] symlink("/dev/binderfs", "./binderfs" [pid 11816] <... futex resumed>) = 1 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11818] memfd_create("syzkaller", 0 [pid 11814] <... mount resumed>) = 0 [pid 11818] <... memfd_create resumed>) = 3 [pid 11818] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11818] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5071] close(3 [pid 11816] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11814] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... close resumed>) = 0 [pid 11817] <... symlink resumed>) = 0 [pid 5071] rmdir("./352" [pid 11814] <... openat resumed>) = 3 [pid 5071] <... rmdir resumed>) = 0 [pid 11815] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] mkdir("./353", 0777 [pid 11817] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11815] <... openat resumed>) = 3 [pid 11814] chdir("./file0" [pid 5071] <... mkdir resumed>) = 0 [pid 11817] <... futex resumed>) = 0 [pid 11815] chdir("./file0" [pid 11814] <... chdir resumed>) = 0 [ 345.768791][T11820] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11818] <... write resumed>) = 1048576 [pid 11817] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11815] <... chdir resumed>) = 0 [pid 11814] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11817] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11815] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11814] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11817] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11815] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11814] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... openat resumed>) = 3 [pid 11817] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11815] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11814] <... futex resumed>) = 1 [pid 11812] <... futex resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 11817] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11815] <... futex resumed>) = 1 [pid 11814] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11813] <... futex resumed>) = 0 [pid 11812] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11817] <... mmap resumed>) = 0x7f43d3147000 [pid 11815] truncate("./file2", 0 [pid 11814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11813] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11812] <... futex resumed>) = 0 [pid 11818] munmap(0x7f43cac00000, 138412032 [pid 11817] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11814] truncate("./file2", 0 [pid 11813] <... futex resumed>) = 0 [pid 11812] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11818] <... munmap resumed>) = 0 [pid 11817] <... mprotect resumed>) = 0 [pid 11813] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11818] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11817] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11817] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11818] <... openat resumed>) = 4 [pid 11818] ioctl(4, LOOP_SET_FD, 3 [pid 11817] <... clone3 resumed> => {parent_tid=[11821]}, 88) = 11821 ./strace-static-x86_64: Process 11821 attached [pid 11821] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 11817] rt_sigprocmask(SIG_SETMASK, [], [pid 11821] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11821] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11821] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11818] <... ioctl resumed>) = 0 [pid 11817] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 11817] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11821] <... futex resumed>) = 0 [pid 11817] <... futex resumed>) = 1 [pid 11821] memfd_create("syzkaller", 0 [pid 11817] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11821] <... memfd_create resumed>) = 3 [ 345.804995][T11815] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 345.819127][T11814] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 345.823412][T11818] loop1: detected capacity change from 0 to 2048 [ 345.841681][T11815] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11821] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11818] close(3 [pid 11813] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11812] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11821] <... mmap resumed>) = 0x7f43cac00000 [pid 11818] <... close resumed>) = 0 [pid 11813] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11821] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11818] close(4 [pid 11813] <... futex resumed>) = 0 [pid 11812] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] close(3 [pid 11818] <... close resumed>) = 0 [pid 11813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11812] <... futex resumed>) = 0 [pid 11818] mkdir("./file0", 0777 [pid 11813] <... mmap resumed>) = 0x7f43d3126000 [pid 11812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11818] <... mkdir resumed>) = 0 [pid 11813] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11812] <... mmap resumed>) = 0x7f43d3126000 [pid 11813] <... mprotect resumed>) = 0 [pid 11812] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11813] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11812] <... mprotect resumed>) = 0 [pid 11813] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11812] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11818] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11812] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11823 attached ./strace-static-x86_64: Process 11822 attached [pid 11813] <... clone3 resumed> => {parent_tid=[11822]}, 88) = 11822 [pid 5071] <... close resumed>) = 0 [pid 11823] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11823] <... rseq resumed>) = 0 [pid 11823] set_robust_list(0x7f43d31469a0, 24 [pid 11813] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11824 attached [pid 11823] <... set_robust_list resumed>) = 0 [pid 11813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11823] rt_sigprocmask(SIG_SETMASK, [], [pid 11824] set_robust_list(0x555589d386a0, 24 [pid 11823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11824] <... set_robust_list resumed>) = 0 [pid 11823] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11824 [pid 11813] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11812] <... clone3 resumed> => {parent_tid=[11823]}, 88) = 11823 [pid 11813] <... futex resumed>) = 0 [pid 11812] rt_sigprocmask(SIG_SETMASK, [], [pid 11822] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11813] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11822] <... rseq resumed>) = 0 [pid 11812] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11823] <... futex resumed>) = 0 [pid 11822] set_robust_list(0x7f43d31469a0, 24 [pid 11812] <... futex resumed>) = 1 [pid 11822] <... set_robust_list resumed>) = 0 [pid 11812] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11822] rt_sigprocmask(SIG_SETMASK, [], [pid 11823] fspick(AT_FDCWD, ".", 0) = 4 [pid 11824] chdir("./353" [pid 11822] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11824] <... chdir resumed>) = 0 [pid 11823] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11823] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11822] fspick(AT_FDCWD, ".", 0 [pid 11812] <... futex resumed>) = 0 [pid 11824] <... prctl resumed>) = 0 [pid 11822] <... fspick resumed>) = 4 [pid 11812] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11824] setpgid(0, 0 [pid 11823] <... futex resumed>) = 0 [pid 11822] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11812] <... futex resumed>) = 1 [ 345.859481][T11814] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 345.876266][T11818] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 345.887706][T11815] Remounting filesystem read-only [ 345.894053][T11814] Remounting filesystem read-only [pid 11824] <... setpgid resumed>) = 0 [pid 11823] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11822] <... futex resumed>) = 1 [pid 11813] <... futex resumed>) = 0 [pid 11812] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11813] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11813] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11822] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11821] <... write resumed>) = 1048576 [pid 11824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11822] <... fsconfig resumed>) = 0 [pid 11815] <... truncate resumed>) = 0 [pid 11814] <... truncate resumed>) = 0 [pid 11822] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11824] <... openat resumed>) = 3 [pid 11822] <... futex resumed>) = 1 [pid 11821] munmap(0x7f43cac00000, 138412032 [pid 11813] <... futex resumed>) = 0 [pid 11822] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11815] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11814] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11813] exit_group(0 [pid 11824] write(3, "1000", 4 [pid 11822] <... futex resumed>) = ? [pid 11821] <... munmap resumed>) = 0 [pid 11815] <... futex resumed>) = ? [pid 11814] <... futex resumed>) = 0 [pid 11813] <... exit_group resumed>) = ? [pid 11824] <... write resumed>) = 4 [pid 11822] +++ exited with 0 +++ [pid 11815] +++ exited with 0 +++ [pid 11814] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11813] +++ exited with 0 +++ [pid 11824] close(3 [pid 11821] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11824] <... close resumed>) = 0 [pid 11821] <... openat resumed>) = 4 [ 345.906530][T11815] NILFS (loop2): error -5 truncating bmap (ino=16) [ 345.914404][T11814] NILFS (loop3): error -5 truncating bmap (ino=16) [ 345.920967][T11822] NILFS (loop2): mounting fs with errors [ 345.928302][T11823] NILFS (loop3): mounting fs with errors [ 345.949650][T11825] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11824] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11821] ioctl(4, LOOP_SET_FD, 3 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11813, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 11824] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11823] <... fsconfig resumed>) = 0 [pid 11818] <... mount resumed>) = 0 [pid 11824] <... futex resumed>) = 0 [pid 11823] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11821] <... ioctl resumed>) = 0 [pid 11818] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11824] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11823] <... futex resumed>) = 1 [pid 11821] close(3 [pid 11818] <... openat resumed>) = 3 [pid 11812] <... futex resumed>) = 0 [pid 5069] umount2("./349", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11824] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11823] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11818] chdir("./file0" [pid 11812] exit_group(0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11821] <... close resumed>) = 0 [pid 11824] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11823] <... futex resumed>) = ? [pid 11818] <... chdir resumed>) = 0 [pid 11814] <... futex resumed>) = ? [pid 11821] close(4 [pid 11812] <... exit_group resumed>) = ? [pid 5069] openat(AT_FDCWD, "./349", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11823] +++ exited with 0 +++ [pid 11818] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11814] +++ exited with 0 +++ [pid 5069] <... openat resumed>) = 3 [pid 11824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11818] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5069] newfstatat(3, "", [pid 11824] <... mmap resumed>) = 0x7f43d3147000 [pid 11818] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11824] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11818] <... futex resumed>) = 1 [pid 11816] <... futex resumed>) = 0 [pid 11812] +++ exited with 0 +++ [pid 5069] getdents64(3, [pid 11824] <... mprotect resumed>) = 0 [pid 11818] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11816] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11812, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11824] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11816] <... futex resumed>) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5069] umount2("./349/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11818] truncate("./file2", 0 [pid 11816] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... restart_syscall resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11824] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11821] <... close resumed>) = 0 [pid 11821] mkdir("./file0", 0777 [pid 11824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5070] umount2("./349", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11821] <... mkdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./349", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 11826 attached [pid 11821] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5070] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11826] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 5070] getdents64(3, [pid 11826] set_robust_list(0x7f43d31679a0, 24 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11826] <... set_robust_list resumed>) = 0 [pid 11824] <... clone3 resumed> => {parent_tid=[11826]}, 88) = 11826 [pid 5070] umount2("./349/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] newfstatat(AT_FDCWD, "./349/binderfs", [pid 11826] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] newfstatat(AT_FDCWD, "./349/binderfs", [pid 5069] unlink("./349/binderfs" [pid 11826] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 11824] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] unlink("./349/binderfs" [pid 5069] umount2("./349/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 11824] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] umount2("./349/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11824] <... futex resumed>) = 1 [ 345.951179][T11821] loop0: detected capacity change from 0 to 2048 [ 345.978869][T11818] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 345.999066][T11821] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11824] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11826] <... futex resumed>) = 0 [pid 11826] memfd_create("syzkaller", 0) = 3 [pid 11826] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11826] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11816] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11816] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] <... umount2 resumed>) = 0 [ 346.001830][T11818] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 346.023718][T11818] Remounting filesystem read-only [ 346.028906][T11818] NILFS (loop1): error -5 truncating bmap (ino=16) [pid 11816] <... mmap resumed>) = 0x7f43d3126000 [pid 5070] <... umount2 resumed>) = 0 [pid 5069] umount2("./349/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11826] <... write resumed>) = 1048576 [pid 11818] <... truncate resumed>) = 0 [pid 11816] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5070] umount2("./349/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11816] <... mprotect resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./349/file0", [pid 11816] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] newfstatat(AT_FDCWD, "./349/file0", [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11816] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] umount2("./349/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11826] munmap(0x7f43cac00000, 138412032 [pid 11818] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5070] umount2("./349/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11826] <... munmap resumed>) = 0 [pid 11818] <... futex resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./349/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11816] <... clone3 resumed> => {parent_tid=[11828]}, 88) = 11828 [pid 11816] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] openat(AT_FDCWD, "./349/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... openat resumed>) = 4 [pid 11816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5069] newfstatat(4, "", [pid 11818] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11816] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] newfstatat(4, "", [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11826] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11816] <... futex resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(4, [pid 11826] <... openat resumed>) = 4 [pid 11816] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] getdents64(4, [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11826] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, ./strace-static-x86_64: Process 11828 attached [pid 11821] <... mount resumed>) = 0 [pid 11828] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11821] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11828] <... rseq resumed>) = 0 [pid 11821] <... openat resumed>) = 3 [pid 11828] set_robust_list(0x7f43d31469a0, 24 [pid 11826] <... ioctl resumed>) = 0 [pid 11821] chdir("./file0" [pid 5070] getdents64(4, [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11828] <... set_robust_list resumed>) = 0 [pid 11826] close(3 [pid 11821] <... chdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 11828] rt_sigprocmask(SIG_SETMASK, [], [pid 11821] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5070] close(4 [pid 11828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11826] <... close resumed>) = 0 [pid 11821] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5069] <... close resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 11828] fspick(AT_FDCWD, ".", 0 [pid 11826] close(4 [pid 11821] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] rmdir("./349/file0" [pid 5069] rmdir("./349/file0" [pid 11828] <... fspick resumed>) = 4 [pid 11826] <... close resumed>) = 0 [pid 11821] <... futex resumed>) = 1 [pid 11817] <... futex resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 11828] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11821] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11817] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] getdents64(3, [pid 11828] <... futex resumed>) = 1 [pid 11826] mkdir("./file0", 0777 [pid 11821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11817] <... futex resumed>) = 0 [pid 11816] <... futex resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11828] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [ 346.063450][T11827] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 346.075315][T11826] loop4: detected capacity change from 0 to 2048 [ 346.092770][T11821] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11821] truncate("./file2", 0 [pid 11817] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11816] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] close(3 [pid 11826] <... mkdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 11816] <... futex resumed>) = 1 [pid 5070] <... close resumed>) = 0 [pid 11818] <... futex resumed>) = 0 [pid 11816] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] rmdir("./349" [pid 11818] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5070] <... rmdir resumed>) = 0 [pid 11826] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5070] mkdir("./350", 0777 [pid 5069] getdents64(3, [pid 11818] <... fsconfig resumed>) = 0 [pid 11818] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] close(3 [pid 11818] <... futex resumed>) = 1 [pid 11816] <... futex resumed>) = 0 [pid 11816] exit_group(0) = ? [pid 5070] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] rmdir("./349" [pid 11828] <... futex resumed>) = ? [pid 11828] +++ exited with 0 +++ [pid 5069] <... rmdir resumed>) = 0 [pid 11818] +++ exited with 0 +++ [pid 11816] +++ exited with 0 +++ [pid 11821] <... truncate resumed>) = 0 [ 346.104778][T11821] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 346.105503][T11818] NILFS (loop1): mounting fs with errors [ 346.116719][T11821] Remounting filesystem read-only [ 346.130948][T11821] NILFS (loop0): error -5 truncating bmap (ino=16) [ 346.133566][T11826] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 5069] mkdir("./350", 0777) = 0 [pid 11826] <... mount resumed>) = 0 [pid 11821] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11817] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11816, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 11817] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11821] <... futex resumed>) = 0 [pid 11817] <... futex resumed>) = 0 [pid 11826] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11821] fspick(AT_FDCWD, ".", 0 [pid 11817] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11826] <... openat resumed>) = 3 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 11821] <... fspick resumed>) = 4 [pid 5068] <... restart_syscall resumed>) = 0 [pid 11826] chdir("./file0" [pid 11821] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11817] <... futex resumed>) = 0 [pid 11826] <... chdir resumed>) = 0 [pid 11821] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11817] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11826] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11817] <... futex resumed>) = 0 [pid 11817] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5068] umount2("./346", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./346", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11826] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... openat resumed>) = 3 [pid 11826] <... futex resumed>) = 1 [pid 11824] <... futex resumed>) = 0 [pid 11821] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5068] newfstatat(3, "", [pid 11826] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11824] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5068] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] umount2("./346/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 11826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11824] <... futex resumed>) = 0 [pid 11821] <... fsconfig resumed>) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 11821] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11826] truncate("./file2", 0 [pid 11824] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(AT_FDCWD, "./346/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11821] <... futex resumed>) = 1 [pid 11817] <... futex resumed>) = 0 [pid 11821] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11817] exit_group(0 [pid 5068] unlink("./346/binderfs" [pid 11821] <... futex resumed>) = ? [pid 11817] <... exit_group resumed>) = ? [pid 5068] <... unlink resumed>) = 0 [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] umount2("./346/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11821] +++ exited with 0 +++ [pid 11817] +++ exited with 0 +++ [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11830 ./strace-static-x86_64: Process 11830 attached [pid 11830] set_robust_list(0x555589d386a0, 24 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11817, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11830] <... set_robust_list resumed>) = 0 [pid 11830] chdir("./350") = 0 [pid 5067] umount2("./350", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11830] <... prctl resumed>) = 0 [ 346.156687][T11829] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 346.172102][T11821] NILFS (loop0): mounting fs with errors [ 346.195120][T11826] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11830] setpgid(0, 0 [pid 5067] openat(AT_FDCWD, "./350", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11830] <... setpgid resumed>) = 0 [pid 11830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11830] <... openat resumed>) = 3 [pid 5068] umount2("./346/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11830] write(3, "1000", 4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11830] <... write resumed>) = 4 [pid 5067] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./350/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./350/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./350/binderfs") = 0 [pid 11830] close(3 [pid 5068] newfstatat(AT_FDCWD, "./346/file0", [pid 5067] umount2("./350/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11830] <... close resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11830] symlink("/dev/binderfs", "./binderfs" [pid 5068] umount2("./346/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11830] <... symlink resumed>) = 0 [pid 11824] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11830] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11824] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./346/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11830] <... futex resumed>) = 0 [pid 11824] <... futex resumed>) = 0 [pid 11830] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] <... openat resumed>) = 4 [pid 11830] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11824] <... mmap resumed>) = 0x7f43d3126000 [pid 11824] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11824] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5068] newfstatat(4, "", [pid 11830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11824] <... clone3 resumed> => {parent_tid=[11831]}, 88) = 11831 ./strace-static-x86_64: Process 11831 attached [pid 11830] <... mmap resumed>) = 0x7f43d3147000 [pid 11826] <... truncate resumed>) = 0 [pid 11824] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11831] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11830] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11826] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 5068] getdents64(4, [pid 5067] <... umount2 resumed>) = 0 [pid 11831] <... rseq resumed>) = 0 [pid 11830] <... mprotect resumed>) = 0 [pid 11826] <... futex resumed>) = 0 [pid 11824] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] close(3 [pid 11824] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11831] set_robust_list(0x7f43d31469a0, 24 [pid 11830] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11826] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11824] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... close resumed>) = 0 [pid 11831] <... set_robust_list resumed>) = 0 [pid 11830] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] getdents64(4, [pid 11831] rt_sigprocmask(SIG_SETMASK, [], [pid 11830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] umount2("./350/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 11832 attached [pid 11831] fspick(AT_FDCWD, ".", 0 [pid 5068] close(4./strace-static-x86_64: Process 11833 attached [pid 11832] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11831] <... fspick resumed>) = 4 [pid 11830] <... clone3 resumed> => {parent_tid=[11832]}, 88) = 11832 [pid 5068] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11833] set_robust_list(0x555589d386a0, 24 [pid 11832] <... rseq resumed>) = 0 [pid 11831] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11830] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11833 [pid 5068] rmdir("./346/file0" [pid 11833] <... set_robust_list resumed>) = 0 [pid 11832] set_robust_list(0x7f43d31679a0, 24 [pid 11831] <... futex resumed>) = 1 [pid 11830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11824] <... futex resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./350/file0", [pid 11832] <... set_robust_list resumed>) = 0 [pid 11831] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11833] chdir("./350" [pid 11830] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11824] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11833] <... chdir resumed>) = 0 [pid 11832] rt_sigprocmask(SIG_SETMASK, [], [pid 11830] <... futex resumed>) = 0 [pid 11826] <... futex resumed>) = 0 [pid 11824] <... futex resumed>) = 1 [pid 5068] getdents64(3, [pid 5067] umount2("./350/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11830] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11826] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11824] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11833] <... prctl resumed>) = 0 [ 346.211325][T11826] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 346.224135][T11826] Remounting filesystem read-only [ 346.230480][T11826] NILFS (loop4): error -5 truncating bmap (ino=16) [pid 11832] memfd_create("syzkaller", 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11832] <... memfd_create resumed>) = 3 [pid 5067] openat(AT_FDCWD, "./350/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 5067] <... openat resumed>) = 4 [pid 11833] setpgid(0, 0 [pid 5068] close(3 [pid 5067] newfstatat(4, "", [pid 11833] <... setpgid resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] rmdir("./346" [pid 5067] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] getdents64(4, [pid 11833] <... openat resumed>) = 3 [pid 5068] mkdir("./347", 0777 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4 [pid 11833] write(3, "1000", 4 [pid 11826] <... fsconfig resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 11833] <... write resumed>) = 4 [pid 11826] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] <... close resumed>) = 0 [pid 11833] close(3 [pid 11826] <... futex resumed>) = 1 [pid 11824] <... futex resumed>) = 0 [pid 5067] rmdir("./350/file0" [pid 5068] <... openat resumed>) = 3 [pid 11833] <... close resumed>) = 0 [pid 11826] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11824] exit_group(0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 11833] symlink("/dev/binderfs", "./binderfs" [pid 11831] <... futex resumed>) = ? [pid 11826] <... futex resumed>) = ? [pid 11824] <... exit_group resumed>) = ? [pid 11833] <... symlink resumed>) = 0 [pid 11833] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11832] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11831] +++ exited with 0 +++ [pid 11826] +++ exited with 0 +++ [pid 11824] +++ exited with 0 +++ [pid 5067] <... rmdir resumed>) = 0 [pid 11833] <... futex resumed>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11824, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11833] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5067] getdents64(3, [pid 11833] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5071] <... restart_syscall resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11833] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5067] close(3 [pid 11833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] umount2("./353", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... close resumed>) = 0 [pid 11833] <... mmap resumed>) = 0x7f43d3147000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11833] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5071] openat(AT_FDCWD, "./353", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] rmdir("./350" [pid 11833] <... mprotect resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5067] <... rmdir resumed>) = 0 [pid 5071] newfstatat(3, "", [pid 11833] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, [pid 11833] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 11834 attached [pid 5071] umount2("./353/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] mkdir("./351", 0777 [pid 11834] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11833] <... clone3 resumed> => {parent_tid=[11834]}, 88) = 11834 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11834] <... rseq resumed>) = 0 [pid 11833] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] newfstatat(AT_FDCWD, "./353/binderfs", [pid 5067] <... mkdir resumed>) = 0 [pid 11834] set_robust_list(0x7f43d31679a0, 24 [pid 11833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11833] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11834] <... set_robust_list resumed>) = 0 [pid 11833] <... futex resumed>) = 0 [pid 11832] <... write resumed>) = 1048576 [pid 5071] unlink("./353/binderfs" [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11834] rt_sigprocmask(SIG_SETMASK, [], [pid 11833] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11832] munmap(0x7f43cac00000, 138412032 [pid 11834] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... openat resumed>) = 3 [pid 11834] memfd_create("syzkaller", 0) = 3 [ 346.273298][T11826] NILFS (loop4): mounting fs with errors [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11832] <... munmap resumed>) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 11832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11834] <... mmap resumed>) = 0x7f43cac00000 [pid 11832] <... openat resumed>) = 4 [pid 5071] umount2("./353/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... ioctl resumed>) = 0 [pid 11832] ioctl(4, LOOP_SET_FD, 3 [pid 5068] close(3) = 0 [pid 11832] <... ioctl resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555589d38690) = 11835 [pid 11832] close(3./strace-static-x86_64: Process 11835 attached ) = 0 [pid 11835] set_robust_list(0x555589d386a0, 24 [pid 11832] close(4 [pid 11835] <... set_robust_list resumed>) = 0 [pid 11832] <... close resumed>) = 0 [pid 11832] mkdir("./file0", 0777) = 0 [pid 11835] chdir("./347" [pid 11832] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11835] <... chdir resumed>) = 0 [pid 11834] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5067] <... ioctl resumed>) = 0 [ 346.350714][T11832] loop3: detected capacity change from 0 to 2048 [ 346.369231][T11832] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... umount2 resumed>) = 0 [pid 11835] <... prctl resumed>) = 0 [pid 5067] close(3 [pid 11835] setpgid(0, 0 [pid 5067] <... close resumed>) = 0 [pid 11835] <... setpgid resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] umount2("./353/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./353/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] umount2("./353/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11835] <... openat resumed>) = 3 [pid 11832] <... mount resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11837 [pid 11835] write(3, "1000", 4 [pid 11832] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] openat(AT_FDCWD, "./353/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 11837 attached [pid 11835] <... write resumed>) = 4 [pid 11834] <... write resumed>) = 1048576 [pid 11832] <... openat resumed>) = 3 [pid 5071] <... openat resumed>) = 4 [pid 11832] chdir("./file0" [pid 5071] newfstatat(4, "", [pid 11834] munmap(0x7f43cac00000, 138412032 [pid 11837] set_robust_list(0x555589d386a0, 24 [pid 11835] close(3 [pid 11832] <... chdir resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] getdents64(4, [pid 11837] <... set_robust_list resumed>) = 0 [pid 11835] <... close resumed>) = 0 [pid 11834] <... munmap resumed>) = 0 [pid 11832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11837] chdir("./351" [pid 11835] symlink("/dev/binderfs", "./binderfs" [pid 11832] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] getdents64(4, [pid 11837] <... chdir resumed>) = 0 [pid 11835] <... symlink resumed>) = 0 [pid 11832] <... futex resumed>) = 1 [pid 11830] <... futex resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11835] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11832] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11830] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] close(4 [pid 11834] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11837] <... prctl resumed>) = 0 [pid 11835] <... futex resumed>) = 0 [pid 11832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11830] <... futex resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 11837] setpgid(0, 0 [pid 11835] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11834] <... openat resumed>) = 4 [pid 11832] truncate("./file2", 0 [pid 5071] rmdir("./353/file0" [pid 11837] <... setpgid resumed>) = 0 [pid 11835] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11834] ioctl(4, LOOP_SET_FD, 3 [pid 11830] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... rmdir resumed>) = 0 [pid 11837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11835] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [ 346.398368][T11836] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 346.432225][T11832] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 5071] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./353" [pid 11835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 11837] <... openat resumed>) = 3 [pid 5071] mkdir("./354", 0777 [pid 11837] write(3, "1000", 4 [pid 11835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] <... mkdir resumed>) = 0 [pid 11837] <... write resumed>) = 4 [pid 11835] <... mmap resumed>) = 0x7f43d3147000 [pid 11837] close(3 [pid 11835] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11837] <... close resumed>) = 0 [pid 11837] symlink("/dev/binderfs", "./binderfs" [pid 11835] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11837] <... symlink resumed>) = 0 [pid 11835] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11837] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 11837] <... futex resumed>) = 0 [pid 11835] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11837] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 ./strace-static-x86_64: Process 11838 attached [pid 11837] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11835] <... clone3 resumed> => {parent_tid=[11838]}, 88) = 11838 [pid 11834] <... ioctl resumed>) = 0 [pid 11838] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11835] rt_sigprocmask(SIG_SETMASK, [], [pid 11834] close(3 [pid 11838] <... rseq resumed>) = 0 [pid 11837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11834] <... close resumed>) = 0 [pid 11838] set_robust_list(0x7f43d31679a0, 24 [pid 11837] <... mmap resumed>) = 0x7f43d3147000 [pid 11835] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11834] close(4 [pid 11838] <... set_robust_list resumed>) = 0 [pid 11837] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11835] <... futex resumed>) = 0 [pid 11838] rt_sigprocmask(SIG_SETMASK, [], [pid 11834] <... close resumed>) = 0 [pid 11838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11835] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11838] memfd_create("syzkaller", 0) = 3 [pid 11838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11834] mkdir("./file0", 0777) = 0 [pid 11837] <... mprotect resumed>) = 0 [pid 11834] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11837] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11830] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11830] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11830] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11837] <... clone3 resumed> => {parent_tid=[11839]}, 88) = 11839 [pid 11830] <... mprotect resumed>) = 0 [pid 11830] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 346.445685][T11834] loop2: detected capacity change from 0 to 2048 [ 346.463165][T11832] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 346.487400][T11832] Remounting filesystem read-only ./strace-static-x86_64: Process 11839 attached [pid 11830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11839] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11837] rt_sigprocmask(SIG_SETMASK, [], [pid 11839] <... rseq resumed>) = 0 [pid 11838] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 11837] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11830] <... clone3 resumed> => {parent_tid=[11840]}, 88) = 11840 [pid 11837] <... futex resumed>) = 0 [pid 11830] rt_sigprocmask(SIG_SETMASK, [], [pid 11837] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11830] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11840 attached ) = 0 [pid 11840] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11830] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11839] set_robust_list(0x7f43d31679a0, 24 [pid 5071] close(3 [pid 11840] <... rseq resumed>) = 0 [pid 11839] <... set_robust_list resumed>) = 0 [pid 11832] <... truncate resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 11840] set_robust_list(0x7f43d31469a0, 24 [pid 11839] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11832] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11840] <... set_robust_list resumed>) = 0 [pid 11839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 11841 attached [pid 11840] fspick(AT_FDCWD, ".", 0 [pid 11839] memfd_create("syzkaller", 0 [pid 11832] <... futex resumed>) = 0 [pid 11841] set_robust_list(0x555589d386a0, 24 [pid 11840] <... fspick resumed>) = 4 [pid 11839] <... memfd_create resumed>) = 3 [pid 11832] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11841 [pid 11841] <... set_robust_list resumed>) = 0 [pid 11840] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11841] chdir("./354" [pid 11840] <... futex resumed>) = 1 [pid 11839] <... mmap resumed>) = 0x7f43cac00000 [pid 11830] <... futex resumed>) = 0 [pid 11841] <... chdir resumed>) = 0 [pid 11840] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11839] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11838] <... write resumed>) = 1048576 [pid 11830] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11832] <... futex resumed>) = 0 [ 346.500494][T11834] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 346.512721][T11832] NILFS (loop3): error -5 truncating bmap (ino=16) [pid 11830] <... futex resumed>) = 1 [pid 11832] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11838] munmap(0x7f43cac00000, 138412032 [pid 11830] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11841] <... prctl resumed>) = 0 [pid 11838] <... munmap resumed>) = 0 [pid 11841] setpgid(0, 0 [pid 11838] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11838] ioctl(4, LOOP_SET_FD, 3 [pid 11841] <... setpgid resumed>) = 0 [pid 11841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11841] write(3, "1000", 4) = 4 [pid 11841] close(3) = 0 [pid 11841] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11841] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11841] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11838] <... ioctl resumed>) = 0 [pid 11834] <... mount resumed>) = 0 [pid 11841] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11838] close(3 [pid 11834] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11838] <... close resumed>) = 0 [pid 11834] <... openat resumed>) = 3 [pid 11841] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11838] close(4 [pid 11834] chdir("./file0" [pid 11841] <... mmap resumed>) = 0x7f43d3147000 [pid 11834] <... chdir resumed>) = 0 [pid 11838] <... close resumed>) = 0 [pid 11841] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11838] mkdir("./file0", 0777 [pid 11841] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11841] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11838] <... mkdir resumed>) = 0 [pid 11834] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 11843 attached ) = -1 EBUSY (Device or resource busy) [pid 11843] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11841] <... clone3 resumed> => {parent_tid=[11843]}, 88) = 11843 [pid 11834] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11843] <... rseq resumed>) = 0 [pid 11841] rt_sigprocmask(SIG_SETMASK, [], [pid 11834] <... futex resumed>) = 1 [pid 11843] set_robust_list(0x7f43d31679a0, 24 [pid 11841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11838] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11834] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11833] <... futex resumed>) = 0 [pid 11843] <... set_robust_list resumed>) = 0 [pid 11841] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11832] <... fsconfig resumed>) = 0 [pid 11833] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11843] rt_sigprocmask(SIG_SETMASK, [], [pid 11841] <... futex resumed>) = 0 [ 346.552179][T11842] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 346.552247][T11832] NILFS (loop3): mounting fs with errors [ 346.572784][T11838] loop1: detected capacity change from 0 to 2048 [pid 11839] <... write resumed>) = 1048576 [pid 11832] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11833] <... futex resumed>) = 1 [pid 11834] <... futex resumed>) = 0 [pid 11843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11841] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11834] truncate("./file2", 0 [pid 11833] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11832] <... futex resumed>) = 1 [pid 11830] <... futex resumed>) = 0 [pid 11843] memfd_create("syzkaller", 0 [pid 11832] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11830] exit_group(0 [pid 11843] <... memfd_create resumed>) = 3 [pid 11832] <... futex resumed>) = ? [pid 11830] <... exit_group resumed>) = ? [pid 11832] +++ exited with 0 +++ [pid 11843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11840] <... futex resumed>) = ? [pid 11840] +++ exited with 0 +++ [pid 11839] munmap(0x7f43cac00000, 138412032 [pid 11830] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11830, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 11839] <... munmap resumed>) = 0 [pid 11839] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5070] umount2("./350", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11839] <... openat resumed>) = 4 [pid 11839] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./350", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11839] <... ioctl resumed>) = 0 [pid 5070] umount2("./350/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./350/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] unlink("./350/binderfs") = 0 [ 346.612197][T11838] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 346.624077][T11834] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 346.643060][T11839] loop0: detected capacity change from 0 to 2048 [pid 5070] umount2("./350/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11839] close(3 [pid 11838] <... mount resumed>) = 0 [pid 11843] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11839] <... close resumed>) = 0 [pid 11838] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11833] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11838] <... openat resumed>) = 3 [pid 11839] close(4 [pid 11838] chdir("./file0" [pid 11833] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11839] <... close resumed>) = 0 [pid 11838] <... chdir resumed>) = 0 [pid 11833] <... futex resumed>) = 0 [pid 11833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11838] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11833] <... mmap resumed>) = 0x7f43d3126000 [pid 11839] mkdir("./file0", 0777 [pid 11833] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11838] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11833] <... mprotect resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 11839] <... mkdir resumed>) = 0 [pid 11838] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11833] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11838] <... futex resumed>) = 1 [pid 11835] <... futex resumed>) = 0 [pid 11833] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11839] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11838] truncate("./file2", 0 [pid 11835] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11834] <... truncate resumed>) = 0 [pid 5070] umount2("./350/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./350/file0", [pid 11835] <... futex resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] umount2("./350/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 11845 attached [pid 11843] <... write resumed>) = 1048576 [pid 11835] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11833] <... clone3 resumed> => {parent_tid=[11845]}, 88) = 11845 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11834] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11833] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] openat(AT_FDCWD, "./350/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... openat resumed>) = 4 [pid 11845] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11834] <... futex resumed>) = 0 [ 346.653969][T11834] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 346.664572][T11844] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 346.667835][T11834] Remounting filesystem read-only [ 346.681613][T11834] NILFS (loop2): error -5 truncating bmap (ino=16) [pid 5070] newfstatat(4, "", [pid 11833] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11845] <... rseq resumed>) = 0 [pid 11843] munmap(0x7f43cac00000, 138412032 [pid 11834] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11843] <... munmap resumed>) = 0 [pid 11833] <... futex resumed>) = 0 [pid 5070] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./350/file0" [pid 11843] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5070] <... rmdir resumed>) = 0 [pid 11843] ioctl(4, LOOP_SET_FD, 3 [pid 11845] set_robust_list(0x7f43d31469a0, 24 [pid 11833] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./350") = 0 [pid 5070] mkdir("./351", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 11843] <... ioctl resumed>) = 0 [pid 11845] <... set_robust_list resumed>) = 0 [pid 11845] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11845] fspick(AT_FDCWD, ".", 0) = 4 [pid 11845] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11843] close(3 [pid 11845] <... futex resumed>) = 1 [pid 11833] <... futex resumed>) = 0 [pid 11843] <... close resumed>) = 0 [pid 11833] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11843] close(4 [pid 11834] <... futex resumed>) = 0 [pid 11833] <... futex resumed>) = 1 [pid 11843] <... close resumed>) = 0 [pid 11834] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11833] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11843] mkdir("./file0", 0777) = 0 [ 346.726165][T11838] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 346.734921][T11843] loop4: detected capacity change from 0 to 2048 [ 346.744026][T11839] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 346.752507][T11838] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11843] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11835] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11845] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11835] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11835] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11834] <... fsconfig resumed>) = 0 [pid 11834] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11833] <... futex resumed>) = 0 [pid 11834] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11833] exit_group(0 [pid 11845] <... futex resumed>) = ? [pid 11834] <... futex resumed>) = ? [pid 11833] <... exit_group resumed>) = ? [pid 11845] +++ exited with 0 +++ [pid 11834] +++ exited with 0 +++ [pid 11833] +++ exited with 0 +++ [ 346.773252][T11843] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 346.773414][T11834] NILFS (loop2): mounting fs with errors [ 346.787558][T11838] Remounting filesystem read-only [pid 11835] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11839] <... mount resumed>) = 0 [pid 11835] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 5070] close(3) = 0 [pid 11839] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11835] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11833, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] umount2("./350", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11835] <... clone3 resumed> => {parent_tid=[11847]}, 88) = 11847 [pid 11835] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./350", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11848 ./strace-static-x86_64: Process 11848 attached [pid 11848] set_robust_list(0x555589d386a0, 24) = 0 ./strace-static-x86_64: Process 11847 attached [pid 11848] chdir("./351") = 0 [pid 11847] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11847] <... rseq resumed>) = 0 [pid 11848] <... prctl resumed>) = 0 [pid 11847] set_robust_list(0x7f43d31469a0, 24 [pid 11848] setpgid(0, 0 [pid 11847] <... set_robust_list resumed>) = 0 [pid 11848] <... setpgid resumed>) = 0 [pid 11847] rt_sigprocmask(SIG_SETMASK, [], [pid 11848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11848] <... openat resumed>) = 3 [pid 11847] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11848] write(3, "1000", 4) = 4 [pid 11848] close(3) = 0 [pid 11848] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11848] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... openat resumed>) = 3 [pid 11848] <... futex resumed>) = 0 [pid 11839] <... openat resumed>) = 3 [pid 11848] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11843] <... mount resumed>) = 0 [pid 11839] chdir("./file0" [pid 11835] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(3, "", [pid 11839] <... chdir resumed>) = 0 [pid 11835] <... futex resumed>) = 1 [pid 11839] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11835] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11839] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11848] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11847] <... futex resumed>) = 0 [pid 11839] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11838] <... truncate resumed>) = 0 [pid 5069] getdents64(3, [pid 11848] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11847] fspick(AT_FDCWD, ".", 0 [pid 11839] <... futex resumed>) = 1 [pid 11837] <... futex resumed>) = 0 [pid 11839] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11837] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5069] umount2("./350/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11847] <... fspick resumed>) = 4 [pid 11843] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11838] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11847] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11843] <... openat resumed>) = 3 [pid 5069] newfstatat(AT_FDCWD, "./350/binderfs", [pid 11848] <... mmap resumed>) = 0x7f43d3147000 [pid 11847] <... futex resumed>) = 1 [pid 11843] chdir("./file0" [pid 11839] truncate("./file2", 0 [pid 11838] <... futex resumed>) = 0 [pid 11837] <... futex resumed>) = 0 [pid 11835] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 346.816830][T11846] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 346.823449][T11838] NILFS (loop1): error -5 truncating bmap (ino=16) [ 346.853975][T11849] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11848] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11847] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11843] <... chdir resumed>) = 0 [pid 11838] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11837] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11835] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11848] <... mprotect resumed>) = 0 [pid 11843] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11835] <... futex resumed>) = 0 [pid 5069] unlink("./350/binderfs" [pid 11848] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11843] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11838] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11835] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11843] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... unlink resumed>) = 0 [pid 11848] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11843] <... futex resumed>) = 1 [pid 11848] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11843] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11841] <... futex resumed>) = 0 [pid 11841] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11843] <... futex resumed>) = 0 [pid 11841] <... futex resumed>) = 1 [pid 11843] truncate("./file2", 0 [pid 11841] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11848] <... clone3 resumed> => {parent_tid=[11850]}, 88) = 11850 [pid 11848] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11848] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11848] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 346.876310][T11839] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 346.879982][T11838] NILFS (loop1): mounting fs with errors [ 346.893270][T11839] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 346.905001][T11843] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 346.915602][T11843] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 5069] umount2("./350/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 11850 attached [pid 11838] <... fsconfig resumed>) = 0 [pid 11850] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11838] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11850] <... rseq resumed>) = 0 [pid 11839] <... truncate resumed>) = 0 [pid 11838] <... futex resumed>) = 1 [pid 11835] <... futex resumed>) = 0 [pid 11850] set_robust_list(0x7f43d31679a0, 24 [pid 11839] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11838] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11835] exit_group(0 [pid 11850] <... set_robust_list resumed>) = 0 [pid 11847] <... futex resumed>) = ? [pid 11841] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11839] <... futex resumed>) = 1 [pid 11838] <... futex resumed>) = ? [pid 11837] <... futex resumed>) = 0 [pid 11835] <... exit_group resumed>) = ? [pid 11850] rt_sigprocmask(SIG_SETMASK, [], [pid 11847] +++ exited with 0 +++ [pid 11843] <... truncate resumed>) = 0 [pid 11838] +++ exited with 0 +++ [pid 11841] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11843] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11841] <... futex resumed>) = 0 [pid 11843] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11839] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11841] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11850] memfd_create("syzkaller", 0 [pid 11841] <... mmap resumed>) = 0x7f43d3126000 [pid 11839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11837] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11841] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11837] <... futex resumed>) = 0 [pid 11835] +++ exited with 0 +++ [pid 11850] <... memfd_create resumed>) = 3 [pid 11841] <... mprotect resumed>) = 0 [pid 11839] fspick(AT_FDCWD, ".", 0 [pid 11837] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = 0 [pid 11850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11841] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11839] <... fspick resumed>) = 4 [pid 5069] umount2("./350/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11835, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11850] <... mmap resumed>) = 0x7f43cac00000 [pid 11841] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11839] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] umount2("./347", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11841] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11839] <... futex resumed>) = 0 [pid 11837] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 346.916550][T11839] Remounting filesystem read-only [ 346.926551][T11843] Remounting filesystem read-only [ 346.931657][T11839] NILFS (loop0): error -5 truncating bmap (ino=16) [ 346.935571][T11843] NILFS (loop4): error -5 truncating bmap (ino=16) [pid 11839] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11837] <... futex resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./350/file0", [pid 5068] openat(AT_FDCWD, "./347", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 11851 attached [pid 11841] <... clone3 resumed> => {parent_tid=[11851]}, 88) = 11851 [pid 11851] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 11851] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11851] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11851] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11841] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5068] <... openat resumed>) = 3 [pid 11841] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11851] <... futex resumed>) = 0 [pid 11841] <... futex resumed>) = 1 [pid 11851] fspick(AT_FDCWD, ".", 0 [pid 11841] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(3, "", [pid 11851] <... fspick resumed>) = 4 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11851] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11839] <... fsconfig resumed>) = 0 [pid 11837] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] getdents64(3, [pid 11851] <... futex resumed>) = 1 [pid 11841] <... futex resumed>) = 0 [pid 11839] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11851] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11841] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11839] <... futex resumed>) = 0 [pid 11837] exit_group(0 [pid 5069] umount2("./350/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./347/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11850] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11843] <... futex resumed>) = 0 [pid 11841] <... futex resumed>) = 1 [pid 11837] <... exit_group resumed>) = ? [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11843] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11841] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11839] +++ exited with 0 +++ [pid 11837] +++ exited with 0 +++ [pid 5069] openat(AT_FDCWD, "./350/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] newfstatat(AT_FDCWD, "./347/binderfs", [pid 5069] <... openat resumed>) = 4 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] unlink("./347/binderfs" [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11837, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5069] newfstatat(4, "", [pid 5068] <... unlink resumed>) = 0 [pid 5067] umount2("./351", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./351", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] getdents64(4, [pid 5068] umount2("./347/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(4, [pid 5067] getdents64(3, [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11843] <... fsconfig resumed>) = 0 [pid 5069] close(4 [pid 5067] umount2("./351/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11850] <... write resumed>) = 1048576 [pid 11843] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... close resumed>) = 0 [pid 5068] umount2("./347/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11850] munmap(0x7f43cac00000, 138412032 [pid 11843] <... futex resumed>) = 1 [pid 11841] <... futex resumed>) = 0 [pid 5069] rmdir("./350/file0" [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./351/binderfs", [pid 11843] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11841] exit_group(0 [pid 11851] <... futex resumed>) = ? [pid 11843] <... futex resumed>) = ? [pid 11841] <... exit_group resumed>) = ? [pid 5069] <... rmdir resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./347/file0", [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11851] +++ exited with 0 +++ [pid 11850] <... munmap resumed>) = 0 [pid 11843] +++ exited with 0 +++ [pid 5069] getdents64(3, [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./351/binderfs" [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] umount2("./347/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11850] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] close(3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... unlink resumed>) = 0 [pid 11850] <... openat resumed>) = 4 [ 346.967853][T11839] NILFS (loop0): mounting fs with errors [ 346.984754][T11843] NILFS (loop4): mounting fs with errors [pid 11850] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./347/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./351/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] rmdir("./350" [pid 5068] <... openat resumed>) = 4 [pid 11841] +++ exited with 0 +++ [pid 5069] <... rmdir resumed>) = 0 [pid 5068] newfstatat(4, "", [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11841, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5069] mkdir("./351", 0777 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] getdents64(4, [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] <... openat resumed>) = 3 [pid 5068] getdents64(4, [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] close(4 [pid 5071] umount2("./354", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] rmdir("./347/file0" [pid 11850] <... ioctl resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./354", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... rmdir resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5068] getdents64(3, [pid 11850] close(3 [pid 5071] newfstatat(3, "", [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] close(3 [pid 11850] <... close resumed>) = 0 [pid 5071] getdents64(3, [pid 5068] <... close resumed>) = 0 [pid 5067] umount2("./351/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11850] close(4 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] rmdir("./347" [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] umount2("./354/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... rmdir resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./351/file0", [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] mkdir("./348", 0777 [pid 5071] newfstatat(AT_FDCWD, "./354/binderfs", [pid 5068] <... mkdir resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5067] umount2("./351/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] unlink("./354/binderfs" [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... unlink resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./351/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] umount2("./354/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 4 [pid 11850] <... close resumed>) = 0 [pid 5067] newfstatat(4, "", [pid 11850] mkdir("./file0", 0777 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11850] <... mkdir resumed>) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 5067] rmdir("./351/file0" [pid 11850] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./354/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... rmdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 347.011379][T11850] loop3: detected capacity change from 0 to 2048 [pid 5071] newfstatat(AT_FDCWD, "./354/file0", [pid 5067] getdents64(3, [pid 5069] <... ioctl resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] umount2("./354/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] close(3 [pid 5069] close(3 [pid 5067] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5067] rmdir("./351" [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... rmdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 11852 attached [pid 5071] openat(AT_FDCWD, "./354/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11852 [pid 5067] mkdir("./352", 0777 [pid 5071] <... openat resumed>) = 4 [pid 11852] set_robust_list(0x555589d386a0, 24) = 0 [pid 5071] newfstatat(4, "", [pid 5067] <... mkdir resumed>) = 0 [pid 11852] chdir("./351" [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [ 347.056741][T11850] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 5071] getdents64(4, [pid 11852] <... chdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] <... openat resumed>) = 3 [pid 5071] getdents64(4, [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11850] <... mount resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11850] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] close(4 [pid 11852] <... prctl resumed>) = 0 [pid 11852] setpgid(0, 0 [pid 5071] <... close resumed>) = 0 [pid 11852] <... setpgid resumed>) = 0 [pid 11850] <... openat resumed>) = 3 [pid 5071] rmdir("./354/file0" [pid 11852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11850] chdir("./file0" [pid 5071] <... rmdir resumed>) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11852] write(3, "1000", 4 [pid 5071] close(3 [pid 11852] <... write resumed>) = 4 [pid 11852] close(3) = 0 [pid 11852] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./354" [pid 11850] <... chdir resumed>) = 0 [pid 11852] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11852] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 11850] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11850] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11852] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11852] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11850] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11850] <... futex resumed>) = 1 [pid 11848] <... futex resumed>) = 0 [pid 5071] mkdir("./355", 0777./strace-static-x86_64: Process 11854 attached [pid 11850] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11848] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11854] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11852] <... clone3 resumed> => {parent_tid=[11854]}, 88) = 11854 [pid 11848] <... futex resumed>) = 0 [pid 11852] rt_sigprocmask(SIG_SETMASK, [], [pid 11848] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11854] <... rseq resumed>) = 0 [pid 11852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5071] <... mkdir resumed>) = 0 [pid 11854] set_robust_list(0x7f43d31679a0, 24 [pid 11852] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11850] truncate("./file2", 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5068] <... ioctl resumed>) = 0 [pid 11854] <... set_robust_list resumed>) = 0 [pid 11852] <... futex resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5067] <... ioctl resumed>) = 0 [pid 11854] rt_sigprocmask(SIG_SETMASK, [], [ 347.100988][T11853] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 347.138200][T11850] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11852] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] close(3 [pid 11854] memfd_create("syzkaller", 0 [pid 5068] close(3 [pid 11854] <... memfd_create resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11850] <... truncate resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11855 [pid 11854] <... mmap resumed>) = 0x7f43cac00000 [pid 11850] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11855 attached [pid 11855] set_robust_list(0x555589d386a0, 24) = 0 [pid 11855] chdir("./348" [pid 11854] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11848] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11850] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11856 attached [pid 11855] <... chdir resumed>) = 0 [pid 11850] fspick(AT_FDCWD, ".", 0 [pid 11848] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11856 [pid 11856] set_robust_list(0x555589d386a0, 24 [pid 11855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11850] <... fspick resumed>) = 4 [pid 11848] <... futex resumed>) = 0 [pid 11856] <... set_robust_list resumed>) = 0 [pid 11855] <... prctl resumed>) = 0 [pid 11850] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11848] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11856] chdir("./352" [pid 11855] setpgid(0, 0 [pid 11850] <... futex resumed>) = 0 [pid 11848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11856] <... chdir resumed>) = 0 [pid 11855] <... setpgid resumed>) = 0 [pid 11850] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11848] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [ 347.150559][T11850] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 347.167712][T11850] Remounting filesystem read-only [ 347.173222][T11850] NILFS (loop3): error -5 truncating bmap (ino=16) [pid 11850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11848] <... futex resumed>) = 0 [pid 11854] <... write resumed>) = 1048576 [pid 11850] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11848] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11856] <... prctl resumed>) = 0 [pid 11855] <... openat resumed>) = 3 [pid 11856] setpgid(0, 0 [pid 11855] write(3, "1000", 4 [pid 11856] <... setpgid resumed>) = 0 [pid 11855] <... write resumed>) = 4 [pid 11856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11855] close(3 [pid 11856] <... openat resumed>) = 3 [pid 11855] <... close resumed>) = 0 [pid 11856] write(3, "1000", 4 [pid 11855] symlink("/dev/binderfs", "./binderfs" [pid 11856] <... write resumed>) = 4 [pid 11855] <... symlink resumed>) = 0 [pid 11854] munmap(0x7f43cac00000, 138412032 [pid 11856] close(3 [pid 11855] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11856] <... close resumed>) = 0 [pid 11855] <... futex resumed>) = 0 [pid 11854] <... munmap resumed>) = 0 [pid 11856] symlink("/dev/binderfs", "./binderfs" [pid 11855] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11850] <... fsconfig resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 11856] <... symlink resumed>) = 0 [pid 11855] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11854] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11856] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11854] <... openat resumed>) = 4 [pid 11850] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11856] <... futex resumed>) = 0 [pid 11855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11854] ioctl(4, LOOP_SET_FD, 3 [pid 11850] <... futex resumed>) = 1 [pid 11848] <... futex resumed>) = 0 [pid 11856] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11856] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11855] <... mmap resumed>) = 0x7f43d3147000 [pid 11856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11855] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11855] <... mprotect resumed>) = 0 [pid 11856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11855] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11856] <... mmap resumed>) = 0x7f43d3147000 [pid 11856] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11855] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11856] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5071] close(3./strace-static-x86_64: Process 11857 attached [pid 11856] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... close resumed>) = 0 [pid 11857] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11855] <... clone3 resumed> => {parent_tid=[11857]}, 88) = 11857 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11858 attached [pid 11857] <... rseq resumed>) = 0 [pid 11855] rt_sigprocmask(SIG_SETMASK, [], [pid 11850] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11848] exit_group(0) = ? [pid 11850] <... futex resumed>) = ? [pid 11858] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11857] set_robust_list(0x7f43d31679a0, 24 [pid 11856] <... clone3 resumed> => {parent_tid=[11858]}, 88) = 11858 [pid 11855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11850] +++ exited with 0 +++ [pid 11858] <... rseq resumed>) = 0 [pid 11857] <... set_robust_list resumed>) = 0 [pid 11856] rt_sigprocmask(SIG_SETMASK, [], [pid 11855] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11858] set_robust_list(0x7f43d31679a0, 24 [pid 11857] rt_sigprocmask(SIG_SETMASK, [], [pid 11856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11855] <... futex resumed>) = 0 [pid 11858] <... set_robust_list resumed>) = 0 [pid 11857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11856] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11855] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11859 attached [pid 11858] rt_sigprocmask(SIG_SETMASK, [], [pid 11857] memfd_create("syzkaller", 0 [pid 11856] <... futex resumed>) = 0 [pid 11854] <... ioctl resumed>) = 0 [pid 11848] +++ exited with 0 +++ [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11859 [pid 11859] set_robust_list(0x555589d386a0, 24 [pid 11858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11857] <... memfd_create resumed>) = 3 [pid 11856] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11854] close(3 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11848, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 11859] <... set_robust_list resumed>) = 0 [pid 11858] memfd_create("syzkaller", 0 [pid 11857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11854] <... close resumed>) = 0 [pid 11859] chdir("./355" [pid 11858] <... memfd_create resumed>) = 3 [pid 11857] <... mmap resumed>) = 0x7f43cac00000 [pid 11854] close(4 [pid 11859] <... chdir resumed>) = 0 [pid 11858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11854] <... close resumed>) = 0 [pid 11859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11858] <... mmap resumed>) = 0x7f43cac00000 [pid 11857] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11854] mkdir("./file0", 0777 [pid 5070] umount2("./351", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11859] <... prctl resumed>) = 0 [pid 11859] setpgid(0, 0 [pid 11854] <... mkdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 347.204505][T11850] NILFS (loop3): mounting fs with errors [ 347.223041][T11854] loop2: detected capacity change from 0 to 2048 [pid 11859] <... setpgid resumed>) = 0 [pid 11854] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5070] openat(AT_FDCWD, "./351", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... openat resumed>) = 3 [pid 5070] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./351/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./351/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] unlink("./351/binderfs" [pid 11858] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5070] <... unlink resumed>) = 0 [pid 11859] <... openat resumed>) = 3 [pid 5070] umount2("./351/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11859] write(3, "1000", 4) = 4 [pid 11859] close(3) = 0 [pid 11859] symlink("/dev/binderfs", "./binderfs" [pid 11857] <... write resumed>) = 1048576 [pid 5070] <... umount2 resumed>) = 0 [pid 11859] <... symlink resumed>) = 0 [pid 11857] munmap(0x7f43cac00000, 138412032 [pid 11858] <... write resumed>) = 1048576 [pid 11859] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11859] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11858] munmap(0x7f43cac00000, 138412032 [pid 11857] <... munmap resumed>) = 0 [pid 5070] umount2("./351/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11859] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11858] <... munmap resumed>) = 0 [pid 11857] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11858] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11857] <... openat resumed>) = 4 [pid 5070] newfstatat(AT_FDCWD, "./351/file0", [pid 11858] <... openat resumed>) = 4 [ 347.268476][T11854] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 347.307174][T11860] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11858] ioctl(4, LOOP_SET_FD, 3 [pid 11857] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11854] <... mount resumed>) = 0 [pid 11854] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11859] <... mmap resumed>) = 0x7f43d3147000 [pid 11859] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11859] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11854] <... openat resumed>) = 3 [pid 11859] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11858] <... ioctl resumed>) = 0 [pid 11854] chdir("./file0" [pid 5070] umount2("./351/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11858] close(3 [pid 11854] <... chdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11858] <... close resumed>) = 0 [pid 11854] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] openat(AT_FDCWD, "./351/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11858] close(4 [pid 11854] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5070] <... openat resumed>) = 4 [pid 11858] <... close resumed>) = 0 [pid 11854] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5070] newfstatat(4, "", [pid 11858] mkdir("./file0", 0777 [pid 11854] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11858] <... mkdir resumed>) = 0 [pid 11852] <... futex resumed>) = 0 [pid 5070] getdents64(4, [pid 11852] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11861 attached [pid 11859] <... clone3 resumed> => {parent_tid=[11861]}, 88) = 11861 [pid 11858] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11854] <... futex resumed>) = 0 [pid 11852] <... futex resumed>) = 1 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11861] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11859] rt_sigprocmask(SIG_SETMASK, [], [pid 11857] <... ioctl resumed>) = 0 [pid 11854] truncate("./file2", 0 [pid 11852] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11861] <... rseq resumed>) = 0 [pid 11859] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 347.311230][T11858] loop0: detected capacity change from 0 to 2048 [ 347.329888][T11857] loop1: detected capacity change from 0 to 2048 [ 347.343950][T11854] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 347.344282][T11858] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11857] close(3 [pid 5070] getdents64(4, [pid 11861] set_robust_list(0x7f43d31679a0, 24 [pid 11859] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11857] <... close resumed>) = 0 [pid 11857] close(4 [pid 11861] <... set_robust_list resumed>) = 0 [pid 11859] <... futex resumed>) = 0 [pid 11859] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11861] rt_sigprocmask(SIG_SETMASK, [], [pid 11857] <... close resumed>) = 0 [pid 11861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11857] mkdir("./file0", 0777 [pid 11861] memfd_create("syzkaller", 0 [pid 11857] <... mkdir resumed>) = 0 [ 347.363662][T11854] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11857] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11861] <... memfd_create resumed>) = 3 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./351/file0") = 0 [pid 5070] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./351") = 0 [pid 11861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] mkdir("./352", 0777 [pid 11861] <... mmap resumed>) = 0x7f43cac00000 [pid 5070] <... mkdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 11861] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11852] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11852] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11852] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11852] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11862 attached [pid 11862] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11852] <... clone3 resumed> => {parent_tid=[11862]}, 88) = 11862 [pid 11852] rt_sigprocmask(SIG_SETMASK, [], [pid 11862] <... rseq resumed>) = 0 [pid 11862] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11862] rt_sigprocmask(SIG_SETMASK, [], [pid 11852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11852] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11862] fspick(AT_FDCWD, ".", 0) = 4 [pid 11862] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11852] <... futex resumed>) = 0 [pid 11862] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11852] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 11852] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11862] <... futex resumed>) = 0 [pid 11852] <... futex resumed>) = 1 [pid 11862] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11861] <... write resumed>) = 1048576 [pid 11861] munmap(0x7f43cac00000, 138412032 [pid 11852] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11862] <... fsconfig resumed>) = 0 [pid 11861] <... munmap resumed>) = 0 [pid 11854] <... truncate resumed>) = 0 [ 347.402083][T11857] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 347.421492][T11854] Remounting filesystem read-only [ 347.426597][T11854] NILFS (loop2): error -5 truncating bmap (ino=16) [ 347.429144][T11862] NILFS (loop2): mounting fs with errors [pid 11861] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11862] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11854] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... ioctl resumed>) = 0 [pid 11862] <... futex resumed>) = 1 [pid 11861] <... openat resumed>) = 4 [pid 11854] <... futex resumed>) = 0 [pid 11852] <... futex resumed>) = 0 [pid 11862] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11857] <... mount resumed>) = 0 [pid 11854] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11852] exit_group(0) = ? [pid 11862] <... futex resumed>) = ? [pid 11861] ioctl(4, LOOP_SET_FD, 3 [pid 11857] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11854] <... futex resumed>) = ? [pid 11862] +++ exited with 0 +++ [pid 11861] <... ioctl resumed>) = 0 [pid 11857] <... openat resumed>) = 3 [pid 11854] +++ exited with 0 +++ [pid 11852] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11852, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5069] umount2("./351", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./351", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./351/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./351/binderfs", [pid 5070] close(3 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] unlink("./351/binderfs" [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... unlink resumed>) = 0 [pid 5069] umount2("./351/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11857] chdir("./file0") = 0 [pid 11857] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 11865 attached [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11865 [pid 11857] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11865] set_robust_list(0x555589d386a0, 24 [pid 11857] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11858] <... mount resumed>) = 0 [pid 11857] <... futex resumed>) = 1 [pid 11858] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11857] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11855] <... futex resumed>) = 0 [pid 11865] <... set_robust_list resumed>) = 0 [pid 11861] close(3 [pid 11858] <... openat resumed>) = 3 [pid 11855] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11865] chdir("./352" [pid 11861] <... close resumed>) = 0 [ 347.450017][T11863] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 347.470039][T11861] loop4: detected capacity change from 0 to 2048 [ 347.470466][T11864] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11858] chdir("./file0" [pid 11857] <... futex resumed>) = 0 [pid 11855] <... futex resumed>) = 1 [pid 11861] close(4 [pid 11858] <... chdir resumed>) = 0 [pid 11857] truncate("./file2", 0 [pid 11855] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = 0 [pid 11865] <... chdir resumed>) = 0 [pid 11861] <... close resumed>) = 0 [pid 11858] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5069] umount2("./351/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11865] <... prctl resumed>) = 0 [pid 11861] mkdir("./file0", 0777 [pid 11858] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5069] newfstatat(AT_FDCWD, "./351/file0", [pid 11865] setpgid(0, 0 [pid 11861] <... mkdir resumed>) = 0 [pid 11858] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11865] <... setpgid resumed>) = 0 [pid 11861] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11858] <... futex resumed>) = 1 [pid 11856] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 347.513540][T11857] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 347.533408][T11861] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 347.543783][T11857] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11858] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11856] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./351/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./351/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5069] <... openat resumed>) = 4 [pid 11858] truncate("./file2", 0 [pid 5069] newfstatat(4, "", [pid 11865] <... openat resumed>) = 3 [pid 11861] <... mount resumed>) = 0 [pid 11856] <... futex resumed>) = 0 [pid 11861] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11861] <... openat resumed>) = 3 [pid 5069] getdents64(4, [pid 11865] write(3, "1000", 4 [pid 11861] chdir("./file0" [pid 11856] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11855] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11865] <... write resumed>) = 4 [pid 11861] <... chdir resumed>) = 0 [pid 11855] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11865] close(3 [pid 11861] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11855] <... futex resumed>) = 0 [pid 11865] <... close resumed>) = 0 [pid 11861] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] getdents64(4, [pid 11865] symlink("/dev/binderfs", "./binderfs" [pid 11861] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11855] <... mmap resumed>) = 0x7f43d3126000 [pid 11865] <... symlink resumed>) = 0 [pid 11861] <... futex resumed>) = 1 [pid 11859] <... futex resumed>) = 0 [pid 11855] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11865] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11859] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11855] <... mprotect resumed>) = 0 [pid 11865] <... futex resumed>) = 0 [pid 11859] <... futex resumed>) = 0 [pid 11855] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11865] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11859] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11855] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11865] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11867 attached [pid 11865] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11867] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11855] <... clone3 resumed> => {parent_tid=[11867]}, 88) = 11867 [pid 11867] <... rseq resumed>) = 0 [pid 11865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11855] rt_sigprocmask(SIG_SETMASK, [], [pid 11867] set_robust_list(0x7f43d31469a0, 24 [pid 11865] <... mmap resumed>) = 0x7f43d3147000 [pid 11855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11867] <... set_robust_list resumed>) = 0 [pid 11865] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11857] <... truncate resumed>) = 0 [pid 11855] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11867] rt_sigprocmask(SIG_SETMASK, [], [pid 11865] <... mprotect resumed>) = 0 [pid 11861] truncate("./file2", 0 [pid 11857] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11855] <... futex resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11867] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 347.555607][T11858] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 347.566074][T11866] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 347.580645][T11857] Remounting filesystem read-only [ 347.586100][T11857] NILFS (loop1): error -5 truncating bmap (ino=16) [pid 11865] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11857] <... futex resumed>) = 0 [pid 11855] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11867] fspick(AT_FDCWD, ".", 0 [pid 11865] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11857] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] close(4 [pid 11865] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11856] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 11868 attached [pid 11856] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... close resumed>) = 0 [pid 11868] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 5069] rmdir("./351/file0" [pid 11868] set_robust_list(0x7f43d31679a0, 24 [pid 11865] <... clone3 resumed> => {parent_tid=[11868]}, 88) = 11868 [pid 11856] <... futex resumed>) = 0 [pid 11865] rt_sigprocmask(SIG_SETMASK, [], [pid 11856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11868] <... set_robust_list resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 11868] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] getdents64(3, [pid 11868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11868] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11867] <... fspick resumed>) = 4 [pid 11865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11856] <... mmap resumed>) = 0x7f43d3126000 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11867] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11865] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11856] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11867] <... futex resumed>) = 1 [pid 11865] <... futex resumed>) = 0 [pid 11856] <... mprotect resumed>) = 0 [pid 11855] <... futex resumed>) = 0 [pid 11865] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11856] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11855] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11857] <... futex resumed>) = 0 [pid 11856] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11855] <... futex resumed>) = 1 [pid 11857] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11855] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11867] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11859] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] close(3 [pid 11859] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11856] <... clone3 resumed> => {parent_tid=[11869]}, 88) = 11869 ./strace-static-x86_64: Process 11869 attached [pid 11859] <... futex resumed>) = 0 [pid 11856] rt_sigprocmask(SIG_SETMASK, [], [pid 11869] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11869] <... rseq resumed>) = 0 [pid 11859] <... mmap resumed>) = 0x7f43d3126000 [pid 11856] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11869] set_robust_list(0x7f43d31469a0, 24 [pid 11859] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11856] <... futex resumed>) = 0 [pid 11869] <... set_robust_list resumed>) = 0 [pid 11859] <... mprotect resumed>) = 0 [pid 11856] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11869] rt_sigprocmask(SIG_SETMASK, [], [ 347.615001][T11861] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 347.616145][T11858] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 347.627442][T11861] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 347.648538][T11861] Remounting filesystem read-only [ 347.652798][T11857] NILFS (loop1): mounting fs with errors [pid 11859] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11859] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11869] fspick(AT_FDCWD, ".", 0 [pid 11859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11869] <... fspick resumed>) = 4 [pid 5069] <... close resumed>) = 0 [pid 11868] memfd_create("syzkaller", 0 [pid 5069] rmdir("./351" [pid 11868] <... memfd_create resumed>) = 3 [pid 11869] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11859] <... clone3 resumed> => {parent_tid=[11870]}, 88) = 11870 [pid 11869] <... futex resumed>) = 1 [pid 11868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11861] <... truncate resumed>) = 0 [pid 11859] rt_sigprocmask(SIG_SETMASK, [], [pid 11856] <... futex resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 11868] <... mmap resumed>) = 0x7f43cac00000 [pid 5069] mkdir("./352", 0777 [pid 11869] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11856] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11859] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11856] <... futex resumed>) = 0 [pid 11859] <... futex resumed>) = 0 [pid 11856] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11859] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11870 attached [pid 11857] <... fsconfig resumed>) = 0 [pid 11870] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11857] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11870] <... rseq resumed>) = 0 [pid 11857] <... futex resumed>) = 1 [pid 11855] <... futex resumed>) = 0 [pid 11870] set_robust_list(0x7f43d31469a0, 24 [pid 11857] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11855] exit_group(0 [pid 11870] <... set_robust_list resumed>) = 0 [pid 11867] <... futex resumed>) = ? [pid 11857] <... futex resumed>) = ? [pid 11855] <... exit_group resumed>) = ? [pid 11870] rt_sigprocmask(SIG_SETMASK, [], [pid 11868] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11867] +++ exited with 0 +++ [pid 11861] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11857] +++ exited with 0 +++ [pid 11855] +++ exited with 0 +++ [pid 5069] <... mkdir resumed>) = 0 [pid 11870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11870] fspick(AT_FDCWD, ".", 0) = 4 [pid 11870] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11861] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11859] <... futex resumed>) = 0 [pid 11859] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11855, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] umount2("./348", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./348", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(3, [pid 11870] <... futex resumed>) = 1 [pid 11868] <... write resumed>) = 1048576 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11870] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] umount2("./348/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11869] <... fsconfig resumed>) = 0 [pid 11868] munmap(0x7f43cac00000, 138412032 [pid 11861] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11859] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11858] <... truncate resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11869] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11868] <... munmap resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./348/binderfs", [pid 11869] <... futex resumed>) = 1 [pid 11868] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11856] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11869] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11868] <... openat resumed>) = 4 [pid 5068] unlink("./348/binderfs" [pid 11868] ioctl(4, LOOP_SET_FD, 3 [pid 5068] <... unlink resumed>) = 0 [pid 11858] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./348/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11858] <... futex resumed>) = 0 [pid 11868] <... ioctl resumed>) = 0 [pid 11861] <... fsconfig resumed>) = 0 [pid 11856] exit_group(0 [pid 11868] close(3 [pid 11861] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = 0 [pid 11869] <... futex resumed>) = ? [pid 11869] +++ exited with 0 +++ [pid 11868] <... close resumed>) = 0 [pid 11861] <... futex resumed>) = 1 [pid 11859] <... futex resumed>) = 0 [pid 11858] +++ exited with 0 +++ [pid 11856] <... exit_group resumed>) = ? [pid 5068] umount2("./348/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11868] close(4 [pid 11861] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11859] exit_group(0 [pid 11870] <... futex resumed>) = ? [pid 11868] <... close resumed>) = 0 [pid 11861] <... futex resumed>) = ? [pid 11859] <... exit_group resumed>) = ? [pid 11856] +++ exited with 0 +++ [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11870] +++ exited with 0 +++ [pid 11868] mkdir("./file0", 0777 [pid 11861] +++ exited with 0 +++ [pid 11859] +++ exited with 0 +++ [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11856, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11859, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5067] <... restart_syscall resumed>) = 0 [pid 5071] <... restart_syscall resumed>) = 0 [pid 5067] umount2("./352", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./355", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./352", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] openat(AT_FDCWD, "./355", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... openat resumed>) = 3 [pid 5071] <... openat resumed>) = 3 [pid 5069] <... ioctl resumed>) = 0 [pid 5067] newfstatat(3, "", [pid 5071] newfstatat(3, "", [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11868] <... mkdir resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] newfstatat(AT_FDCWD, "./348/file0", [pid 5067] getdents64(3, [pid 11868] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5071] getdents64(3, [pid 5069] close(3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [ 347.654216][T11861] NILFS (loop4): error -5 truncating bmap (ino=16) [ 347.679824][T11858] Remounting filesystem read-only [ 347.686065][T11858] NILFS (loop0): error -5 truncating bmap (ino=16) [ 347.693317][T11869] NILFS (loop0): mounting fs with errors [ 347.702266][T11861] NILFS (loop4): mounting fs with errors [ 347.706865][T11868] loop3: detected capacity change from 0 to 2048 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./348/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./352/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./355/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./352/binderfs", [pid 5071] newfstatat(AT_FDCWD, "./355/binderfs", [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./352/binderfs" [pid 5071] unlink("./355/binderfs" [pid 5067] <... unlink resumed>) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5071] umount2("./355/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./352/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./348/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... openat resumed>) = 4 [pid 5068] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 11871 attached [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11871 [pid 11871] set_robust_list(0x555589d386a0, 24 [pid 5068] getdents64(4, [pid 11871] <... set_robust_list resumed>) = 0 [pid 11871] chdir("./352" [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11871] <... chdir resumed>) = 0 [pid 5068] getdents64(4, [pid 11871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] close(4 [pid 11871] setpgid(0, 0 [pid 5068] <... close resumed>) = 0 [pid 5068] rmdir("./348/file0" [pid 11871] <... setpgid resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 11871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] getdents64(3, [pid 11871] write(3, "1000", 4) = 4 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11871] close(3 [pid 5071] <... umount2 resumed>) = 0 [pid 5068] close(3 [pid 5067] <... umount2 resumed>) = 0 [pid 5067] umount2("./352/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11871] <... close resumed>) = 0 [pid 5071] umount2("./355/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11871] symlink("/dev/binderfs", "./binderfs" [pid 5068] rmdir("./348" [pid 5067] newfstatat(AT_FDCWD, "./352/file0", [pid 11871] <... symlink resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] umount2("./352/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11871] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] mkdir("./349", 0777 [pid 11871] <... futex resumed>) = 0 [pid 5071] newfstatat(AT_FDCWD, "./355/file0", [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11871] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./352/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11871] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5071] umount2("./355/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] <... openat resumed>) = 4 [pid 11871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... openat resumed>) = 3 [pid 5067] newfstatat(4, "", [pid 11871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] openat(AT_FDCWD, "./355/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] <... openat resumed>) = 4 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] getdents64(4, [pid 11871] <... mmap resumed>) = 0x7f43d3147000 [pid 5071] newfstatat(4, "", [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11871] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, [pid 11871] <... mprotect resumed>) = 0 [pid 5071] getdents64(4, [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11871] rt_sigprocmask(SIG_BLOCK, ~[], [ 347.742320][T11868] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 5067] close(4 [pid 11871] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] <... close resumed>) = 0 [pid 11871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5071] getdents64(4, [pid 5067] rmdir("./352/file0" [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 11873 attached [pid 5067] getdents64(3, [pid 11873] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11873] set_robust_list(0x7f43d31679a0, 24 [pid 5067] close(3 [pid 11873] <... set_robust_list resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 11873] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] rmdir("./352" [pid 11873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11873] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] <... rmdir resumed>) = 0 [pid 5067] mkdir("./353", 0777) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11871] <... clone3 resumed> => {parent_tid=[11873]}, 88) = 11873 [pid 5071] close(4 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11871] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] <... close resumed>) = 0 [pid 11871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] rmdir("./355/file0" [pid 11871] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11873] <... futex resumed>) = 0 [pid 11871] <... futex resumed>) = 1 [pid 11868] <... mount resumed>) = 0 [pid 11873] memfd_create("syzkaller", 0 [pid 5071] <... rmdir resumed>) = 0 [pid 11873] <... memfd_create resumed>) = 3 [pid 11871] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11868] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] getdents64(3, [pid 11873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11868] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11868] chdir("./file0" [pid 5071] close(3 [pid 11873] <... mmap resumed>) = 0x7f43cac00000 [pid 11868] <... chdir resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 11868] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] rmdir("./355" [pid 11868] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5071] <... rmdir resumed>) = 0 [pid 11868] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] mkdir("./356", 0777 [pid 11868] <... futex resumed>) = 1 [pid 11865] <... futex resumed>) = 0 [ 347.794029][T11872] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11865] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11868] truncate("./file2", 0 [pid 11865] <... futex resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 11865] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5068] <... ioctl resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5068] close(3) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11874 attached [pid 11873] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11874] set_robust_list(0x555589d386a0, 24 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11874 [pid 11874] <... set_robust_list resumed>) = 0 [pid 5067] <... ioctl resumed>) = 0 [pid 11865] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11874] chdir("./349" [pid 11865] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11874] <... chdir resumed>) = 0 [pid 11865] <... futex resumed>) = 0 [pid 11865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11865] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11865] <... mprotect resumed>) = 0 [pid 5067] close(3 [pid 11874] <... prctl resumed>) = 0 [pid 11865] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] <... close resumed>) = 0 [pid 11865] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11865] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11874] setpgid(0, 0 [pid 11865] <... clone3 resumed> => {parent_tid=[11875]}, 88) = 11875 [pid 11874] <... setpgid resumed>) = 0 [pid 11865] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11865] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11865] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11876 attached [pid 11865] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11875 attached [pid 11875] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 11874] <... openat resumed>) = 3 [pid 11876] set_robust_list(0x555589d386a0, 24 [pid 11875] set_robust_list(0x7f43d31469a0, 24 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11876 [pid 11876] <... set_robust_list resumed>) = 0 [pid 11875] <... set_robust_list resumed>) = 0 [pid 11874] write(3, "1000", 4 [pid 11875] rt_sigprocmask(SIG_SETMASK, [], [pid 11876] chdir("./353" [pid 11875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11874] <... write resumed>) = 4 [pid 11876] <... chdir resumed>) = 0 [pid 11875] fspick(AT_FDCWD, ".", 0 [ 347.836687][T11868] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 347.853699][T11868] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11873] <... write resumed>) = 1048576 [pid 11874] close(3 [pid 11876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11875] <... fspick resumed>) = 4 [pid 11874] <... close resumed>) = 0 [pid 11876] <... prctl resumed>) = 0 [pid 11874] symlink("/dev/binderfs", "./binderfs" [pid 11876] setpgid(0, 0) = 0 [pid 11874] <... symlink resumed>) = 0 [pid 11876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11874] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11876] <... openat resumed>) = 3 [pid 11874] <... futex resumed>) = 0 [pid 11874] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11876] write(3, "1000", 4 [pid 11874] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11876] <... write resumed>) = 4 [pid 11876] close(3 [pid 11875] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11873] munmap(0x7f43cac00000, 138412032 [pid 11868] <... truncate resumed>) = 0 [pid 11875] <... futex resumed>) = 1 [pid 11873] <... munmap resumed>) = 0 [pid 11868] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11865] <... futex resumed>) = 0 [pid 11875] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11873] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11868] <... futex resumed>) = 0 [pid 11865] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11873] <... openat resumed>) = 4 [pid 11868] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11865] <... futex resumed>) = 0 [pid 11873] ioctl(4, LOOP_SET_FD, 3 [pid 11865] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11876] <... close resumed>) = 0 [pid 11874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] <... ioctl resumed>) = 0 [pid 11873] <... ioctl resumed>) = 0 [pid 11873] close(3 [pid 5071] close(3 [pid 11876] symlink("/dev/binderfs", "./binderfs" [pid 11874] <... mmap resumed>) = 0x7f43d3147000 [pid 11873] <... close resumed>) = 0 [pid 11874] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11873] close(4 [pid 5071] <... close resumed>) = 0 [pid 11876] <... symlink resumed>) = 0 [pid 11874] <... mprotect resumed>) = 0 [pid 11873] <... close resumed>) = 0 [pid 11868] <... fsconfig resumed>) = 0 [pid 11873] mkdir("./file0", 0777 [pid 11868] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11876] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11874] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11873] <... mkdir resumed>) = 0 [pid 11868] <... futex resumed>) = 1 [pid 11865] <... futex resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11865] exit_group(0 [pid 11875] <... futex resumed>) = ? [pid 11874] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11865] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 11877 attached [pid 11876] <... futex resumed>) = 0 [pid 11875] +++ exited with 0 +++ [pid 11874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11873] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11868] +++ exited with 0 +++ [pid 11865] +++ exited with 0 +++ ./strace-static-x86_64: Process 11878 attached [pid 11877] set_robust_list(0x555589d386a0, 24 [pid 11876] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11877 [ 347.909761][T11868] Remounting filesystem read-only [ 347.914867][T11868] NILFS (loop3): error -5 truncating bmap (ino=16) [ 347.931182][T11868] NILFS (loop3): mounting fs with errors [ 347.937379][T11873] loop2: detected capacity change from 0 to 2048 [pid 11878] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11877] <... set_robust_list resumed>) = 0 [pid 11876] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11874] <... clone3 resumed> => {parent_tid=[11878]}, 88) = 11878 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11865, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 11878] <... rseq resumed>) = 0 [pid 11877] chdir("./356" [pid 11876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11874] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] umount2("./352", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11874] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11878] set_robust_list(0x7f43d31679a0, 24 [pid 11877] <... chdir resumed>) = 0 [pid 11876] <... mmap resumed>) = 0x7f43d3147000 [pid 11874] <... futex resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./352", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11878] <... set_robust_list resumed>) = 0 [pid 11877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11876] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11874] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5070] <... openat resumed>) = 3 [pid 11878] rt_sigprocmask(SIG_SETMASK, [], [pid 11877] <... prctl resumed>) = 0 [pid 11876] <... mprotect resumed>) = 0 [pid 11878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] newfstatat(3, "", [pid 11878] memfd_create("syzkaller", 0 [pid 11877] setpgid(0, 0 [pid 11876] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11878] <... memfd_create resumed>) = 3 [pid 11877] <... setpgid resumed>) = 0 [pid 5070] getdents64(3, [pid 11876] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11878] <... mmap resumed>) = 0x7f43cac00000 [pid 11877] <... openat resumed>) = 3 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 11879 attached [pid 11877] write(3, "1000", 4 [pid 5070] umount2("./352/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11879] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11877] <... write resumed>) = 4 [pid 11876] <... clone3 resumed> => {parent_tid=[11879]}, 88) = 11879 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11879] <... rseq resumed>) = 0 [pid 11877] close(3 [pid 11876] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] newfstatat(AT_FDCWD, "./352/binderfs", [pid 11879] set_robust_list(0x7f43d31679a0, 24 [pid 11878] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11877] <... close resumed>) = 0 [pid 11876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11879] <... set_robust_list resumed>) = 0 [pid 11877] symlink("/dev/binderfs", "./binderfs" [pid 11876] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] unlink("./352/binderfs" [pid 11879] rt_sigprocmask(SIG_SETMASK, [], [pid 11877] <... symlink resumed>) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 11877] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] umount2("./352/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11877] <... futex resumed>) = 0 [pid 11876] <... futex resumed>) = 0 [pid 11877] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11877] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11879] memfd_create("syzkaller", 0 [pid 11877] <... mmap resumed>) = 0x7f43d3147000 [pid 11876] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11877] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 11879] <... memfd_create resumed>) = 3 [pid 5070] umount2("./352/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11879] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11877] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11877] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [ 347.966092][T11873] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 5070] newfstatat(AT_FDCWD, "./352/file0", [pid 11879] <... mmap resumed>) = 0x7f43cac00000 ./strace-static-x86_64: Process 11880 attached [pid 11878] <... write resumed>) = 1048576 [pid 11873] <... mount resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11880] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11878] munmap(0x7f43cac00000, 138412032 [pid 11877] <... clone3 resumed> => {parent_tid=[11880]}, 88) = 11880 [pid 11873] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11880] <... rseq resumed>) = 0 [pid 11878] <... munmap resumed>) = 0 [pid 11877] rt_sigprocmask(SIG_SETMASK, [], [pid 11873] <... openat resumed>) = 3 [pid 11880] set_robust_list(0x7f43d31679a0, 24 [pid 11877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11873] chdir("./file0" [pid 5070] umount2("./352/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11880] <... set_robust_list resumed>) = 0 [pid 11877] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11873] <... chdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11880] rt_sigprocmask(SIG_SETMASK, [], [pid 11877] <... futex resumed>) = 0 [pid 11873] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] openat(AT_FDCWD, "./352/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11878] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11877] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11873] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5070] <... openat resumed>) = 4 [pid 11880] memfd_create("syzkaller", 0 [pid 11878] <... openat resumed>) = 4 [pid 11873] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] newfstatat(4, "", [pid 11880] <... memfd_create resumed>) = 3 [pid 11878] ioctl(4, LOOP_SET_FD, 3 [pid 11873] <... futex resumed>) = 1 [pid 11871] <... futex resumed>) = 0 [pid 11880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11879] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11873] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11871] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11871] <... futex resumed>) = 0 [pid 11873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11880] <... mmap resumed>) = 0x7f43cac00000 [pid 11873] truncate("./file2", 0 [pid 11871] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./352/file0") = 0 [ 348.022401][T11881] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 348.042974][T11878] loop1: detected capacity change from 0 to 2048 [ 348.051648][T11873] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 5070] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11880] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11879] <... write resumed>) = 1048576 [pid 11878] <... ioctl resumed>) = 0 [pid 5070] close(3) = 0 [pid 11879] munmap(0x7f43cac00000, 138412032 [pid 11878] close(3 [pid 5070] rmdir("./352" [pid 11879] <... munmap resumed>) = 0 [pid 11878] <... close resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 11879] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11878] close(4 [pid 5070] mkdir("./353", 0777 [pid 11878] <... close resumed>) = 0 [pid 11879] <... openat resumed>) = 4 [pid 11878] mkdir("./file0", 0777 [pid 5070] <... mkdir resumed>) = 0 [pid 11879] ioctl(4, LOOP_SET_FD, 3 [pid 11878] <... mkdir resumed>) = 0 [pid 11871] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11871] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... openat resumed>) = 3 [pid 11871] <... futex resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 11871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11878] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11871] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11871] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[11882]}, 88) = 11882 [pid 11871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11871] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11871] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11882 attached [pid 11880] <... write resumed>) = 1048576 [pid 11882] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11880] munmap(0x7f43cac00000, 138412032 [pid 11879] <... ioctl resumed>) = 0 [pid 11882] <... rseq resumed>) = 0 [pid 11879] close(3 [pid 11882] set_robust_list(0x7f43d31469a0, 24 [pid 11879] <... close resumed>) = 0 [pid 11882] <... set_robust_list resumed>) = 0 [pid 11879] close(4 [pid 11882] rt_sigprocmask(SIG_SETMASK, [], [pid 11880] <... munmap resumed>) = 0 [pid 11882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11882] fspick(AT_FDCWD, ".", 0) = 4 [pid 11882] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11880] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11871] <... futex resumed>) = 0 [ 348.064491][T11873] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 348.084116][T11873] Remounting filesystem read-only [ 348.094358][T11879] loop0: detected capacity change from 0 to 2048 [ 348.095045][T11873] NILFS (loop2): error -5 truncating bmap (ino=16) [ 348.112371][T11878] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11882] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11880] <... openat resumed>) = 4 [pid 11879] <... close resumed>) = 0 [pid 11873] <... truncate resumed>) = 0 [pid 11871] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11880] ioctl(4, LOOP_SET_FD, 3 [pid 11873] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11871] <... futex resumed>) = 0 [pid 11882] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11879] mkdir("./file0", 0777 [pid 11871] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11873] <... futex resumed>) = 0 [pid 11873] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11880] <... ioctl resumed>) = 0 [pid 11880] close(3) = 0 [pid 11880] close(4) = 0 [pid 11880] mkdir("./file0", 0777) = 0 [ 348.141432][T11880] loop4: detected capacity change from 0 to 2048 [ 348.148387][T11882] NILFS (loop2): mounting fs with errors [ 348.168680][T11880] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11880] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11879] <... mkdir resumed>) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 11882] <... fsconfig resumed>) = 0 [pid 11879] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11878] <... mount resumed>) = 0 [pid 5070] close(3 [pid 11882] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11871] <... futex resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 11878] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11871] exit_group(0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11878] <... openat resumed>) = 3 [pid 11878] chdir("./file0" [pid 11871] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 11884 attached [pid 11884] set_robust_list(0x555589d386a0, 24 [pid 11882] +++ exited with 0 +++ [pid 11878] <... chdir resumed>) = 0 [pid 11873] <... futex resumed>) = ? [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11884 [pid 11873] +++ exited with 0 +++ [pid 11871] +++ exited with 0 +++ [pid 11878] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11871, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 11884] <... set_robust_list resumed>) = 0 [pid 11884] chdir("./353" [pid 11878] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11884] <... chdir resumed>) = 0 [pid 11884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] umount2("./352", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11884] <... prctl resumed>) = 0 [pid 11878] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./352", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11884] setpgid(0, 0 [pid 11878] <... futex resumed>) = 1 [pid 11874] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 11884] <... setpgid resumed>) = 0 [pid 11878] truncate("./file2", 0 [pid 11874] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(3, "", [pid 11874] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11874] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 348.190459][T11883] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 348.207422][T11879] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 5069] getdents64(3, [pid 11884] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11884] write(3, "1000", 4 [pid 5069] umount2("./352/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11884] <... write resumed>) = 4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11884] close(3 [pid 5069] newfstatat(AT_FDCWD, "./352/binderfs", [pid 11884] <... close resumed>) = 0 [pid 11884] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11880] <... mount resumed>) = 0 [pid 11880] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11880] chdir("./file0") = 0 [pid 11880] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 348.240033][T11878] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 348.254973][T11878] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 348.266983][T11885] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 348.268108][T11878] Remounting filesystem read-only [pid 5069] unlink("./352/binderfs" [pid 11884] <... symlink resumed>) = 0 [pid 11880] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5069] <... unlink resumed>) = 0 [pid 11884] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./352/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11880] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11880] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11877] <... futex resumed>) = 0 [pid 11877] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11880] <... futex resumed>) = 0 [pid 11877] <... futex resumed>) = 1 [pid 11880] truncate("./file2", 0 [pid 11877] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11874] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11884] <... futex resumed>) = 0 [pid 11879] <... mount resumed>) = 0 [pid 11878] <... truncate resumed>) = 0 [pid 11879] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11878] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11879] <... openat resumed>) = 3 [pid 11878] <... futex resumed>) = 0 [pid 11879] chdir("./file0" [pid 11878] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11879] <... chdir resumed>) = 0 [pid 11879] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5069] <... umount2 resumed>) = 0 [pid 11879] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./352/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11879] <... futex resumed>) = 1 [pid 11876] <... futex resumed>) = 0 [pid 11879] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11874] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11884] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11874] <... futex resumed>) = 1 [pid 11884] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11874] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11884] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11884] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11878] <... futex resumed>) = 0 [pid 11879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11878] fspick(AT_FDCWD, ".", 0 [pid 11876] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(AT_FDCWD, "./352/file0", [pid 11879] truncate("./file2", 0 [pid 11878] <... fspick resumed>) = 4 [pid 11876] <... futex resumed>) = 0 [pid 11884] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11878] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [ 348.278531][T11886] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 348.284438][T11878] NILFS (loop1): error -5 truncating bmap (ino=16) [ 348.300146][T11880] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 348.313547][T11880] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 348.326543][T11880] Remounting filesystem read-only [ 348.326587][T11879] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11876] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11884] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11880] <... truncate resumed>) = 0 [pid 11878] <... futex resumed>) = 1 [pid 11874] <... futex resumed>) = 0 [pid 5069] umount2("./352/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11878] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11877] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] openat(AT_FDCWD, "./352/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11874] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11878] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 11884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11880] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11878] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11877] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(4, "", [pid 11874] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11880] <... futex resumed>) = 0 [pid 11877] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11884] <... clone3 resumed> => {parent_tid=[11887]}, 88) = 11887 [pid 11880] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] getdents64(4, [pid 11884] rt_sigprocmask(SIG_SETMASK, [], [pid 11877] <... mmap resumed>) = 0x7f43d3126000 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11877] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5069] getdents64(4, [pid 11884] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11877] <... mprotect resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 11887 attached [pid 11884] <... futex resumed>) = 0 [pid 11877] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] close(4 [pid 11887] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11884] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11878] <... fsconfig resumed>) = 0 [pid 11877] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... close resumed>) = 0 [pid 11877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5069] rmdir("./352/file0") = 0 [pid 11877] <... clone3 resumed> => {parent_tid=[11888]}, 88) = 11888 [pid 5069] getdents64(3, ./strace-static-x86_64: Process 11888 attached [pid 11877] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11887] <... rseq resumed>) = 0 [pid 11878] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] close(3 [pid 11877] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... close resumed>) = 0 [pid 11877] <... futex resumed>) = 0 [pid 5069] rmdir("./352" [pid 11877] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... rmdir resumed>) = 0 [pid 11878] <... futex resumed>) = 1 [pid 11874] <... futex resumed>) = 0 [pid 11888] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11887] set_robust_list(0x7f43d31679a0, 24 [pid 11879] <... truncate resumed>) = 0 [pid 11878] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11874] exit_group(0 [pid 5069] mkdir("./353", 0777 [pid 11888] <... rseq resumed>) = 0 [pid 11887] <... set_robust_list resumed>) = 0 [pid 11879] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11878] <... futex resumed>) = ? [pid 11874] <... exit_group resumed>) = ? [pid 11888] set_robust_list(0x7f43d31469a0, 24 [pid 11887] rt_sigprocmask(SIG_SETMASK, [], [pid 11879] <... futex resumed>) = 1 [pid 11878] +++ exited with 0 +++ [pid 11876] <... futex resumed>) = 0 [pid 11876] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11876] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11874] +++ exited with 0 +++ [pid 11879] fspick(AT_FDCWD, ".", 0 [pid 11888] <... set_robust_list resumed>) = 0 [pid 11887] memfd_create("syzkaller", 0 [pid 11879] <... fspick resumed>) = 4 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11874, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 11888] rt_sigprocmask(SIG_SETMASK, [], [pid 11887] <... memfd_create resumed>) = 3 [pid 11879] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... mkdir resumed>) = 0 [pid 11888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11879] <... futex resumed>) = 1 [pid 11876] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11888] fspick(AT_FDCWD, ".", 0 [pid 11887] <... mmap resumed>) = 0x7f43cac00000 [pid 11879] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11876] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11888] <... fspick resumed>) = 4 [pid 11879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11876] <... futex resumed>) = 0 [pid 11876] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./349", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./349", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] newfstatat(3, "", [pid 11888] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11887] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11879] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5069] <... openat resumed>) = 3 [ 348.331886][T11880] NILFS (loop4): error -5 truncating bmap (ino=16) [ 348.352165][T11878] NILFS (loop1): mounting fs with errors [ 348.353446][T11879] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 348.369221][T11879] Remounting filesystem read-only [ 348.374588][T11879] NILFS (loop0): error -5 truncating bmap (ino=16) [pid 11888] <... futex resumed>) = 1 [pid 11877] <... futex resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11877] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11888] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11880] <... futex resumed>) = 0 [pid 11877] <... futex resumed>) = 1 [pid 5068] getdents64(3, [pid 11880] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11877] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11879] <... fsconfig resumed>) = 0 [pid 11879] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11876] <... futex resumed>) = 0 [pid 11879] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11876] exit_group(0 [pid 11879] <... futex resumed>) = ? [pid 11876] <... exit_group resumed>) = ? [pid 11879] +++ exited with 0 +++ [pid 11876] +++ exited with 0 +++ [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11876, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 11887] <... write resumed>) = 1048576 [pid 5067] <... restart_syscall resumed>) = 0 [pid 11887] munmap(0x7f43cac00000, 138412032 [pid 11880] <... fsconfig resumed>) = 0 [pid 5067] umount2("./353", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11887] <... munmap resumed>) = 0 [pid 11880] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./349/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11887] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11880] <... futex resumed>) = 1 [pid 11877] <... futex resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./353", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11887] <... openat resumed>) = 4 [pid 11880] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11877] exit_group(0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 3 [pid 11888] <... futex resumed>) = ? [pid 11887] ioctl(4, LOOP_SET_FD, 3 [pid 11880] <... futex resumed>) = ? [pid 11877] <... exit_group resumed>) = ? [pid 5067] newfstatat(3, "", [pid 11888] +++ exited with 0 +++ [pid 11880] +++ exited with 0 +++ [pid 11877] +++ exited with 0 +++ [pid 5068] newfstatat(AT_FDCWD, "./349/binderfs", [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./353/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./353/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./353/binderfs") = 0 [pid 5067] umount2("./353/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11887] <... ioctl resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11887] close(3 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11877, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5068] unlink("./349/binderfs" [pid 11887] <... close resumed>) = 0 [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5068] <... unlink resumed>) = 0 [pid 11887] close(4 [pid 5071] <... restart_syscall resumed>) = 0 [pid 5068] umount2("./349/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11887] <... close resumed>) = 0 [pid 11887] mkdir("./file0", 0777 [pid 5071] umount2("./356", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./356", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, [pid 11887] <... mkdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./356/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11887] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./356/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./356/binderfs") = 0 [ 348.402868][T11879] NILFS (loop0): mounting fs with errors [ 348.406671][T11880] NILFS (loop4): mounting fs with errors [ 348.426454][T11887] loop3: detected capacity change from 0 to 2048 [pid 5071] umount2("./356/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 5067] umount2("./353/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./353/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./353/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] close(3 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./353/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 348.444584][T11887] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] umount2("./349/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] newfstatat(AT_FDCWD, "./349/file0", [pid 5067] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 5067] rmdir("./353/file0" [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5067] getdents64(3, [pid 5071] umount2("./356/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] close(3 [pid 5071] newfstatat(AT_FDCWD, "./356/file0", [pid 5067] <... close resumed>) = 0 [pid 5068] umount2("./349/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11887] <... mount resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] rmdir("./353" [pid 11887] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] umount2("./356/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... rmdir resumed>) = 0 [pid 11887] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] mkdir("./354", 0777 [pid 11887] chdir("./file0" [pid 5071] openat(AT_FDCWD, "./356/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... mkdir resumed>) = 0 [pid 11887] <... chdir resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11887] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] newfstatat(4, "", [pid 5067] <... openat resumed>) = 3 [pid 11887] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11887] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] getdents64(4, [pid 11887] <... futex resumed>) = 1 [pid 11884] <... futex resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] openat(AT_FDCWD, "./349/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11887] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] getdents64(4, ./strace-static-x86_64: Process 11890 attached 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11890] set_robust_list(0x555589d386a0, 24 [pid 11884] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] close(4 [pid 5068] <... openat resumed>) = 4 [pid 11890] <... set_robust_list resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 11890] chdir("./353" [pid 11887] <... futex resumed>) = 0 [pid 11884] <... futex resumed>) = 1 [pid 5071] rmdir("./356/file0" [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11890 [pid 5068] newfstatat(4, "", [pid 11887] truncate("./file2", 0 [pid 11884] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... rmdir resumed>) = 0 [pid 5071] getdents64(3, [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11890] <... chdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] getdents64(4, [pid 5071] close(3 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] <... close resumed>) = 0 [ 348.479798][T11889] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 348.510922][T11887] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 5071] rmdir("./356") = 0 [pid 5068] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [pid 11890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] rmdir("./349/file0" [pid 11890] <... prctl resumed>) = 0 [pid 11890] setpgid(0, 0) = 0 [pid 11890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] mkdir("./357", 0777) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 11890] <... openat resumed>) = 3 [pid 5067] <... ioctl resumed>) = 0 [pid 11890] write(3, "1000", 4) = 4 [pid 11890] close(3) = 0 [pid 11890] symlink("/dev/binderfs", "./binderfs" [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11890] <... symlink resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5068] getdents64(3, [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5067] close(3 [pid 11890] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... close resumed>) = 0 [pid 11890] <... futex resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11890] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11890] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] close(3 [pid 11890] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] <... close resumed>) = 0 [pid 11890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 11891 attached ) = 0x7f43d3147000 [pid 11891] set_robust_list(0x555589d386a0, 24 [pid 11890] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11891] <... set_robust_list resumed>) = 0 [pid 11890] <... mprotect resumed>) = 0 [pid 5068] rmdir("./349" [pid 11891] chdir("./354" [pid 11890] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11891] <... chdir resumed>) = 0 [pid 11890] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11891 [pid 11891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5068] <... rmdir resumed>) = 0 [pid 11884] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11891] <... prctl resumed>) = 0 [pid 11891] setpgid(0, 0) = 0 [pid 11891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11890] <... clone3 resumed> => {parent_tid=[11892]}, 88) = 11892 ./strace-static-x86_64: Process 11892 attached [pid 11891] write(3, "1000", 4 [pid 11890] rt_sigprocmask(SIG_SETMASK, [], [pid 11892] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11891] <... write resumed>) = 4 [pid 11890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11891] close(3 [pid 11890] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11891] <... close resumed>) = 0 [pid 11892] <... rseq resumed>) = 0 [pid 11891] symlink("/dev/binderfs", "./binderfs" [pid 11892] set_robust_list(0x7f43d31679a0, 24 [pid 11891] <... symlink resumed>) = 0 [pid 11890] <... futex resumed>) = 0 [pid 11892] <... set_robust_list resumed>) = 0 [pid 11891] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11890] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11892] rt_sigprocmask(SIG_SETMASK, [], [pid 11891] <... futex resumed>) = 0 [pid 11884] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] mkdir("./350", 0777 [pid 11892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11891] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11892] memfd_create("syzkaller", 0 [pid 11891] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11884] <... futex resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 11892] <... memfd_create resumed>) = 3 [pid 11891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11892] <... mmap resumed>) = 0x7f43cac00000 [pid 11891] <... mmap resumed>) = 0x7f43d3147000 [pid 11892] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11891] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11884] <... mmap resumed>) = 0x7f43d3126000 [pid 11891] <... mprotect resumed>) = 0 [pid 11884] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... openat resumed>) = 3 [pid 11891] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11884] <... mprotect resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 11891] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11887] <... truncate resumed>) = 0 [pid 11884] rt_sigprocmask(SIG_BLOCK, ~[], [ 348.527725][T11887] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 348.555417][T11887] Remounting filesystem read-only [ 348.568124][T11887] NILFS (loop3): error -5 truncating bmap (ino=16) [pid 11891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11887] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11893 attached [pid 11884] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 11884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11891] <... clone3 resumed> => {parent_tid=[11893]}, 88) = 11893 [pid 5071] close(3 [pid 11891] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] <... close resumed>) = 0 [pid 11891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11884] <... clone3 resumed> => {parent_tid=[11894]}, 88) = 11894 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11894 attached [pid 11893] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11891] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11884] rt_sigprocmask(SIG_SETMASK, [], [pid 11891] <... futex resumed>) = 0 [pid 11884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11891] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11893] <... rseq resumed>) = 0 [pid 11887] <... futex resumed>) = 0 [pid 11884] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11894] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11887] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11884] <... futex resumed>) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11895 [pid 11894] <... rseq resumed>) = 0 [pid 11893] set_robust_list(0x7f43d31679a0, 24./strace-static-x86_64: Process 11895 attached [pid 11894] set_robust_list(0x7f43d31469a0, 24 [pid 11893] <... set_robust_list resumed>) = 0 [pid 11884] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11895] set_robust_list(0x555589d386a0, 24 [pid 11894] <... set_robust_list resumed>) = 0 [pid 11893] rt_sigprocmask(SIG_SETMASK, [], [pid 11894] rt_sigprocmask(SIG_SETMASK, [], [pid 11893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11895] <... set_robust_list resumed>) = 0 [pid 11895] chdir("./357") = 0 [pid 11895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11895] setpgid(0, 0) = 0 [pid 11895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11892] <... write resumed>) = 1048576 [pid 5068] <... ioctl resumed>) = 0 [pid 11895] write(3, "1000", 4) = 4 [pid 11895] close(3) = 0 [pid 11895] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11893] memfd_create("syzkaller", 0 [pid 11895] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11894] fspick(AT_FDCWD, ".", 0 [pid 11895] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11894] <... fspick resumed>) = 4 [pid 11893] <... memfd_create resumed>) = 3 [pid 11892] munmap(0x7f43cac00000, 138412032 [pid 11894] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5068] close(3 [pid 11894] <... futex resumed>) = 1 [pid 11884] <... futex resumed>) = 0 [pid 11893] <... mmap resumed>) = 0x7f43cac00000 [pid 11894] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11884] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11895] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11895] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11892] <... munmap resumed>) = 0 [pid 11895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11895] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11895] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11892] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11892] <... openat resumed>) = 4 ./strace-static-x86_64: Process 11896 attached [pid 11893] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11887] <... futex resumed>) = 0 [pid 11884] <... futex resumed>) = 1 [pid 5068] <... close resumed>) = 0 [pid 11896] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11892] ioctl(4, LOOP_SET_FD, 3 [pid 11887] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11896] <... rseq resumed>) = 0 [pid 11884] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11895] <... clone3 resumed> => {parent_tid=[11896]}, 88) = 11896 [pid 11896] set_robust_list(0x7f43d31679a0, 24 [pid 11895] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11896] <... set_robust_list resumed>) = 0 [pid 11895] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11896] rt_sigprocmask(SIG_SETMASK, [], [pid 11895] <... futex resumed>) = 0 [pid 11896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11895] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11896] memfd_create("syzkaller", 0) = 3 [pid 11896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11897 ./strace-static-x86_64: Process 11897 attached [pid 11897] set_robust_list(0x555589d386a0, 24) = 0 [pid 11887] <... fsconfig resumed>) = 0 [pid 11897] chdir("./350" [pid 11887] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11897] <... chdir resumed>) = 0 [pid 11887] <... futex resumed>) = 1 [pid 11884] <... futex resumed>) = 0 [pid 11897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11892] <... ioctl resumed>) = 0 [pid 11887] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11884] exit_group(0 [pid 11897] <... prctl resumed>) = 0 [pid 11896] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11892] close(3 [pid 11897] setpgid(0, 0 [pid 11894] <... futex resumed>) = ? [pid 11887] <... futex resumed>) = ? [pid 11884] <... exit_group resumed>) = ? [pid 11897] <... setpgid resumed>) = 0 [pid 11894] +++ exited with 0 +++ [pid 11887] +++ exited with 0 +++ [pid 11897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11892] <... close resumed>) = 0 [pid 11897] <... openat resumed>) = 3 [pid 11892] close(4) = 0 [pid 11884] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11884, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 11897] write(3, "1000", 4 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 11897] <... write resumed>) = 4 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5070] umount2("./353", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./353", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 11892] mkdir("./file0", 0777 [pid 5070] newfstatat(3, "", [pid 11897] close(3 [pid 11892] <... mkdir resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11897] <... close resumed>) = 0 [pid 11892] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5070] getdents64(3, [ 348.649030][T11892] loop2: detected capacity change from 0 to 2048 [ 348.655910][T11887] NILFS (loop3): mounting fs with errors [pid 11897] symlink("/dev/binderfs", "./binderfs" [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11897] <... symlink resumed>) = 0 [pid 5070] umount2("./353/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11897] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./353/binderfs", [pid 11897] <... futex resumed>) = 0 [pid 11896] <... write resumed>) = 1048576 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11897] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5070] unlink("./353/binderfs" [pid 11897] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11897] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] <... unlink resumed>) = 0 [pid 11897] <... mmap resumed>) = 0x7f43d3147000 [pid 11893] <... write resumed>) = 1048576 [pid 11893] munmap(0x7f43cac00000, 138412032 [pid 5070] umount2("./353/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11897] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11893] <... munmap resumed>) = 0 [pid 11893] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11897] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11896] munmap(0x7f43cac00000, 138412032 [pid 11897] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11896] <... munmap resumed>) = 0 [ 348.700580][T11892] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11893] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 11898 attached [pid 11897] <... clone3 resumed> => {parent_tid=[11898]}, 88) = 11898 [pid 11896] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] <... umount2 resumed>) = 0 [pid 11898] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11897] rt_sigprocmask(SIG_SETMASK, [], [pid 11896] <... openat resumed>) = 4 [pid 11898] <... rseq resumed>) = 0 [pid 11897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11896] ioctl(4, LOOP_SET_FD, 3 [pid 11898] set_robust_list(0x7f43d31679a0, 24 [pid 11897] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11896] <... ioctl resumed>) = 0 [pid 11898] <... set_robust_list resumed>) = 0 [pid 11897] <... futex resumed>) = 0 [pid 11898] rt_sigprocmask(SIG_SETMASK, [], [pid 11897] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11898] memfd_create("syzkaller", 0) = 3 [pid 11898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 5070] umount2("./353/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11896] close(3 [pid 11893] <... ioctl resumed>) = 0 [pid 11898] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11896] <... close resumed>) = 0 [pid 11893] close(3 [pid 11892] <... mount resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11896] close(4 [pid 11893] <... close resumed>) = 0 [pid 11892] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] newfstatat(AT_FDCWD, "./353/file0", [pid 11896] <... close resumed>) = 0 [pid 11893] close(4 [pid 11892] <... openat resumed>) = 3 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11896] mkdir("./file0", 0777 [pid 11893] <... close resumed>) = 0 [pid 11892] chdir("./file0" [pid 5070] umount2("./353/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11898] <... write resumed>) = 1048576 [pid 11896] <... mkdir resumed>) = 0 [pid 11893] mkdir("./file0", 0777 [pid 11892] <... chdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11898] munmap(0x7f43cac00000, 138412032 [pid 11896] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11893] <... mkdir resumed>) = 0 [pid 11892] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] openat(AT_FDCWD, "./353/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11898] <... munmap resumed>) = 0 [pid 11893] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11892] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5070] <... openat resumed>) = 4 [ 348.739266][T11899] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 348.752000][T11896] loop4: detected capacity change from 0 to 2048 [ 348.752063][T11893] loop0: detected capacity change from 0 to 2048 [pid 11898] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11892] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] newfstatat(4, "", [pid 11892] <... futex resumed>) = 1 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11892] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11890] <... futex resumed>) = 0 [pid 5070] getdents64(4, [pid 11898] <... openat resumed>) = 4 [pid 11892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11890] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11892] truncate("./file2", 0 [pid 5070] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] close(4 [pid 11898] ioctl(4, LOOP_SET_FD, 3 [pid 11890] <... futex resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./353/file0") = 0 [pid 5070] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./353" [pid 11898] <... ioctl resumed>) = 0 [pid 11890] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... rmdir resumed>) = 0 [pid 5070] mkdir("./354", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [ 348.794138][T11896] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 348.808706][T11898] loop1: detected capacity change from 0 to 2048 [ 348.812946][T11893] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 348.826604][T11892] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 11898] close(3) = 0 [pid 11898] close(4) = 0 [pid 11898] mkdir("./file0", 0777) = 0 [pid 11898] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11896] <... mount resumed>) = 0 [pid 11896] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11896] chdir("./file0") = 0 [pid 11896] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11896] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11895] <... futex resumed>) = 0 [ 348.843567][T11892] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 348.848084][T11900] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11895] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11890] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] <... ioctl resumed>) = 0 [pid 11896] truncate("./file2", 0 [pid 11895] <... futex resumed>) = 0 [pid 11890] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11895] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11890] <... futex resumed>) = 0 [pid 11890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11890] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11890] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[11902]}, 88) = 11902 [pid 11890] rt_sigprocmask(SIG_SETMASK, [], [pid 11893] <... mount resumed>) = 0 [pid 11890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11893] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11890] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11893] chdir("./file0" [pid 11890] <... futex resumed>) = 0 [pid 5070] close(3 [pid 11893] <... chdir resumed>) = 0 [pid 11893] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11890] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... close resumed>) = 0 [pid 11893] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11893] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11893] <... futex resumed>) = 1 [pid 11891] <... futex resumed>) = 0 [pid 11893] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11891] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11891] <... futex resumed>) = 0 [pid 11893] truncate("./file2", 0 [pid 11891] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11902 attached [ 348.888109][T11898] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 348.890592][T11901] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 348.904062][T11892] Remounting filesystem read-only [ 348.916992][T11896] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11902] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11903 ./strace-static-x86_64: Process 11903 attached [pid 11902] <... rseq resumed>) = 0 [pid 11902] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11902] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11903] set_robust_list(0x555589d386a0, 24 [pid 11902] fspick(AT_FDCWD, ".", 0 [pid 11903] <... set_robust_list resumed>) = 0 [pid 11902] <... fspick resumed>) = 4 [pid 11903] chdir("./354" [pid 11902] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11890] <... futex resumed>) = 0 [pid 11890] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11890] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11903] <... chdir resumed>) = 0 [pid 11902] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11895] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11903] setpgid(0, 0) = 0 [pid 11892] <... truncate resumed>) = 0 [pid 11903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11892] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11903] <... openat resumed>) = 3 [pid 11892] <... futex resumed>) = 0 [pid 11903] write(3, "1000", 4 [pid 11892] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11903] <... write resumed>) = 4 [ 348.948084][T11893] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 348.949875][T11896] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 348.968990][T11892] NILFS (loop2): error -5 truncating bmap (ino=16) [ 348.980217][T11893] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 348.989921][T11902] NILFS (loop2): mounting fs with errors [pid 11903] close(3 [pid 11895] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11891] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11903] <... close resumed>) = 0 [pid 11891] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11903] symlink("/dev/binderfs", "./binderfs" [pid 11891] <... futex resumed>) = 0 [pid 11903] <... symlink resumed>) = 0 [pid 11891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11903] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11891] <... mmap resumed>) = 0x7f43d3126000 [pid 11903] <... futex resumed>) = 0 [pid 11902] <... fsconfig resumed>) = 0 [pid 11903] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11891] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11903] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11891] <... mprotect resumed>) = 0 [pid 11903] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11891] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11891] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11902] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11903] <... mmap resumed>) = 0x7f43d3147000 [pid 11902] <... futex resumed>) = 1 [pid 11891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11890] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11905 attached [pid 11903] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11902] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11890] exit_group(0 [pid 11905] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11903] <... mprotect resumed>) = 0 [pid 11902] <... futex resumed>) = ? [pid 11895] <... futex resumed>) = 0 [pid 11892] <... futex resumed>) = ? [pid 11891] <... clone3 resumed> => {parent_tid=[11905]}, 88) = 11905 [pid 11890] <... exit_group resumed>) = ? [pid 11905] <... rseq resumed>) = 0 [pid 11903] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11902] +++ exited with 0 +++ [pid 11895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11892] +++ exited with 0 +++ [pid 11891] rt_sigprocmask(SIG_SETMASK, [], [pid 11890] +++ exited with 0 +++ [pid 11905] set_robust_list(0x7f43d31469a0, 24 [pid 11903] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11891] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11890, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- ./strace-static-x86_64: Process 11906 attached [pid 11905] <... set_robust_list resumed>) = 0 [pid 11891] <... futex resumed>) = 0 [pid 5069] umount2("./353", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11906] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11905] rt_sigprocmask(SIG_SETMASK, [], [pid 11903] <... clone3 resumed> => {parent_tid=[11906]}, 88) = 11906 [pid 11891] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11906] <... rseq resumed>) = 0 [pid 11905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11903] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] openat(AT_FDCWD, "./353", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11906] set_robust_list(0x7f43d31679a0, 24 [pid 11905] fspick(AT_FDCWD, ".", 0 [pid 11903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... openat resumed>) = 3 [pid 11906] <... set_robust_list resumed>) = 0 [pid 11905] <... fspick resumed>) = 4 [pid 11903] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(3, "", [pid 11906] rt_sigprocmask(SIG_SETMASK, [], [pid 11905] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11903] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11905] <... futex resumed>) = 1 [pid 11903] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11895] <... mmap resumed>) = 0x7f43d3126000 [pid 11891] <... futex resumed>) = 0 [pid 5069] getdents64(3, [pid 11906] memfd_create("syzkaller", 0 [pid 11905] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11898] <... mount resumed>) = 0 [pid 11895] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11893] <... truncate resumed>) = 0 [pid 11891] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11906] <... memfd_create resumed>) = 3 [pid 11905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11891] <... futex resumed>) = 0 [pid 5069] umount2("./353/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11905] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11891] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11906] <... mmap resumed>) = 0x7f43cac00000 [pid 11898] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11896] <... truncate resumed>) = 0 [pid 11895] <... mprotect resumed>) = 0 [pid 11893] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(AT_FDCWD, "./353/binderfs", [pid 11905] <... fsconfig resumed>) = 0 [pid 11898] <... openat resumed>) = 3 [pid 11896] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11895] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11893] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11905] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11898] chdir("./file0" [pid 11896] <... futex resumed>) = 0 [pid 11895] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11893] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] unlink("./353/binderfs" [pid 11905] <... futex resumed>) = 1 [pid 11898] <... chdir resumed>) = 0 [pid 11896] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11891] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11907 attached [pid 11905] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11898] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11891] exit_group(0 [pid 5069] <... unlink resumed>) = 0 [pid 11907] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11905] <... futex resumed>) = ? [pid 11898] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11895] <... clone3 resumed> => {parent_tid=[11907]}, 88) = 11907 [pid 11893] <... futex resumed>) = ? [pid 11891] <... exit_group resumed>) = ? [pid 11907] <... rseq resumed>) = 0 [pid 11905] +++ exited with 0 +++ [pid 11898] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11895] rt_sigprocmask(SIG_SETMASK, [], [pid 11893] +++ exited with 0 +++ [pid 5069] umount2("./353/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11898] <... futex resumed>) = 1 [pid 11897] <... futex resumed>) = 0 [pid 11898] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11897] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11897] <... futex resumed>) = 0 [pid 11891] +++ exited with 0 +++ [pid 11907] set_robust_list(0x7f43d31469a0, 24 [pid 11895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11898] truncate("./file2", 0 [pid 11897] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11895] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11891, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [ 348.997166][T11904] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 349.008213][T11896] Remounting filesystem read-only [ 349.011380][T11893] Remounting filesystem read-only [ 349.019574][T11893] NILFS (loop0): error -5 truncating bmap (ino=16) [ 349.028615][T11896] NILFS (loop4): error -5 truncating bmap (ino=16) [ 349.030971][T11905] NILFS (loop0): mounting fs with errors [pid 11907] <... set_robust_list resumed>) = 0 [pid 11895] <... futex resumed>) = 0 [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 11895] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11907] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... restart_syscall resumed>) = 0 [pid 11907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11907] fspick(AT_FDCWD, ".", 0) = 4 [pid 5067] umount2("./354", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./354", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11907] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... openat resumed>) = 3 [pid 11907] <... futex resumed>) = 1 [pid 11895] <... futex resumed>) = 0 [pid 5067] newfstatat(3, "", [pid 11895] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11907] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11906] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11896] <... futex resumed>) = 0 [pid 11895] <... futex resumed>) = 1 [pid 5067] getdents64(3, [pid 11896] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11895] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./354/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./354/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./354/binderfs") = 0 [pid 5067] umount2("./354/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./353/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./353/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] umount2("./353/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 11906] <... write resumed>) = 1048576 [pid 5069] openat(AT_FDCWD, "./353/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11906] munmap(0x7f43cac00000, 138412032 [pid 5069] <... openat resumed>) = 4 [pid 5069] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11906] <... munmap resumed>) = 0 [pid 5069] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./353/file0") = 0 [pid 5069] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./353") = 0 [pid 5069] mkdir("./354", 0777) = 0 [ 349.058484][T11898] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 349.075379][T11896] NILFS (loop4): mounting fs with errors [ 349.079726][T11898] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 349.099196][T11898] Remounting filesystem read-only [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11906] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11898] <... truncate resumed>) = 0 [pid 11897] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11896] <... fsconfig resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5067] <... umount2 resumed>) = 0 [pid 11906] <... openat resumed>) = 4 [pid 11898] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11897] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11896] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11906] ioctl(4, LOOP_SET_FD, 3 [pid 11898] <... futex resumed>) = 0 [pid 11897] <... futex resumed>) = 0 [pid 11896] <... futex resumed>) = 1 [pid 11895] <... futex resumed>) = 0 [pid 5067] umount2("./354/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11898] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11896] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11897] <... mmap resumed>) = 0x7f43d3126000 [pid 11897] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11897] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11895] exit_group(0 [pid 11896] <... futex resumed>) = ? [pid 11895] <... exit_group resumed>) = ? [pid 11896] +++ exited with 0 +++ [pid 11897] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[11908]}, 88) = 11908 [pid 11897] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11897] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11897] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11908 attached [pid 11908] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 11908] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11908] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11908] fspick(AT_FDCWD, ".", 0) = 4 [pid 11907] <... futex resumed>) = ? [pid 11906] <... ioctl resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11908] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11897] <... futex resumed>) = 0 [pid 11908] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11897] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11898] <... futex resumed>) = 0 [pid 11897] <... futex resumed>) = 1 [pid 11898] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11897] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11907] +++ exited with 0 +++ [pid 11906] close(3 [pid 11895] +++ exited with 0 +++ [pid 5067] newfstatat(AT_FDCWD, "./354/file0", [pid 11906] <... close resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11906] close(4 [pid 5067] umount2("./354/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11906] <... close resumed>) = 0 [pid 11898] <... fsconfig resumed>) = 0 [pid 11906] mkdir("./file0", 0777 [pid 11898] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11895, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11898] <... futex resumed>) = 1 [pid 11897] <... futex resumed>) = 0 [pid 11906] <... mkdir resumed>) = 0 [pid 11897] exit_group(0 [pid 5067] openat(AT_FDCWD, "./354/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11908] <... futex resumed>) = ? [pid 11906] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11897] <... exit_group resumed>) = ? [pid 5071] umount2("./357", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11908] +++ exited with 0 +++ [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 4 [pid 11898] +++ exited with 0 +++ [pid 11897] +++ exited with 0 +++ [pid 5071] openat(AT_FDCWD, "./357", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] newfstatat(4, "", [pid 5071] <... openat resumed>) = 3 [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./357/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./357/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./357/binderfs") = 0 [pid 5071] umount2("./357/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11897, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5068] umount2("./350", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] getdents64(4, [pid 5068] openat(AT_FDCWD, "./350", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] <... openat resumed>) = 3 [pid 5067] getdents64(4, [pid 5068] newfstatat(3, "", [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] close(4 [pid 5068] getdents64(3, [pid 5067] <... close resumed>) = 0 [pid 5067] rmdir("./354/file0") = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] getdents64(3, [pid 5068] umount2("./350/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] close(3) = 0 [ 349.105268][T11898] NILFS (loop1): error -5 truncating bmap (ino=16) [ 349.117814][T11906] loop3: detected capacity change from 0 to 2048 [ 349.126887][T11898] NILFS (loop1): mounting fs with errors [ 349.142850][T11906] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 5067] rmdir("./354") = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./350/binderfs", [pid 5067] mkdir("./355", 0777 [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... mkdir resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11909 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5068] unlink("./350/binderfs") = 0 [pid 5068] umount2("./350/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 11909 attached [pid 11909] set_robust_list(0x555589d386a0, 24) = 0 [pid 11906] <... mount resumed>) = 0 [pid 11909] chdir("./354" [pid 11906] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11909] <... chdir resumed>) = 0 [pid 11906] <... openat resumed>) = 3 [pid 11909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11906] chdir("./file0" [pid 11909] <... prctl resumed>) = 0 [pid 11906] <... chdir resumed>) = 0 [pid 11909] setpgid(0, 0 [pid 11906] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11909] <... setpgid resumed>) = 0 [pid 11906] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11906] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11909] <... openat resumed>) = 3 [pid 11906] <... futex resumed>) = 1 [pid 11903] <... futex resumed>) = 0 [pid 11909] write(3, "1000", 4 [pid 11906] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11903] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11909] <... write resumed>) = 4 [pid 11906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11903] <... futex resumed>) = 0 [pid 11909] close(3 [pid 11906] truncate("./file2", 0 [pid 11903] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11909] <... close resumed>) = 0 [pid 11909] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 11909] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11909] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11909] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11909] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11909] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... umount2 resumed>) = 0 [pid 11909] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11911 attached [pid 11911] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11909] <... clone3 resumed> => {parent_tid=[11911]}, 88) = 11911 [pid 11911] <... rseq resumed>) = 0 [pid 11909] rt_sigprocmask(SIG_SETMASK, [], [pid 11911] set_robust_list(0x7f43d31679a0, 24 [pid 11909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11911] <... set_robust_list resumed>) = 0 [pid 11909] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11911] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] umount2("./357/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./350/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11909] <... futex resumed>) = 0 [pid 11909] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11911] memfd_create("syzkaller", 0) = 3 [pid 11911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... ioctl resumed>) = 0 [pid 5067] close(3 [pid 5068] newfstatat(AT_FDCWD, "./350/file0", [pid 5067] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11911] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5071] newfstatat(AT_FDCWD, "./357/file0", [pid 5068] umount2("./350/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11912 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 349.200434][T11910] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 349.235550][T11906] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 5068] openat(AT_FDCWD, "./350/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] umount2("./357/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 4 [pid 5068] newfstatat(4, "", [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 11912 attached [pid 11903] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5071] openat(AT_FDCWD, "./357/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] getdents64(4, [pid 11903] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... openat resumed>) = 4 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] newfstatat(4, "", [pid 5068] getdents64(4, [pid 11912] set_robust_list(0x555589d386a0, 24 [pid 11903] <... futex resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] getdents64(4, [pid 5068] close(4 [pid 11912] <... set_robust_list resumed>) = 0 [pid 11903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] rmdir("./350/file0" [pid 11912] chdir("./355" [pid 11903] <... mmap resumed>) = 0x7f43d3126000 [pid 5071] getdents64(4, [pid 5068] <... rmdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] close(4 [pid 11912] <... chdir resumed>) = 0 [pid 11903] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5071] <... close resumed>) = 0 [pid 11912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11903] <... mprotect resumed>) = 0 [pid 5071] rmdir("./357/file0" [pid 5068] getdents64(3, [pid 11912] <... prctl resumed>) = 0 [pid 11903] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11912] setpgid(0, 0 [pid 11903] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11912] <... setpgid resumed>) = 0 [pid 11903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5068] close(3 [pid 11912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... rmdir resumed>) = 0 [pid 5068] <... close resumed>) = 0 ./strace-static-x86_64: Process 11913 attached [pid 11912] <... openat resumed>) = 3 [pid 11903] <... clone3 resumed> => {parent_tid=[11913]}, 88) = 11913 [pid 5068] rmdir("./350" [pid 11912] write(3, "1000", 4 [pid 11903] rt_sigprocmask(SIG_SETMASK, [], [pid 11912] <... write resumed>) = 4 [pid 11903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11912] close(3 [pid 11903] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11912] <... close resumed>) = 0 [pid 11903] <... futex resumed>) = 0 [pid 11912] symlink("/dev/binderfs", "./binderfs" [pid 11913] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11912] <... symlink resumed>) = 0 [pid 11903] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] getdents64(3, [pid 5068] <... rmdir resumed>) = 0 [pid 11913] <... rseq resumed>) = 0 [pid 11912] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11913] set_robust_list(0x7f43d31469a0, 24 [pid 11912] <... futex resumed>) = 0 [pid 5071] close(3 [pid 11913] <... set_robust_list resumed>) = 0 [pid 11912] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5068] mkdir("./351", 0777 [pid 11913] rt_sigprocmask(SIG_SETMASK, [], [pid 11912] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5071] <... close resumed>) = 0 [pid 11913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11913] fspick(AT_FDCWD, ".", 0 [pid 11912] <... mmap resumed>) = 0x7f43d3147000 [pid 5071] rmdir("./357" [pid 11913] <... fspick resumed>) = 4 [pid 11912] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11912] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} => {parent_tid=[11914]}, 88) = 11914 ./strace-static-x86_64: Process 11914 attached [pid 11912] rt_sigprocmask(SIG_SETMASK, [], [pid 11911] <... write resumed>) = 1048576 [pid 11914] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11914] <... rseq resumed>) = 0 [pid 11912] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11914] set_robust_list(0x7f43d31679a0, 24 [pid 11912] <... futex resumed>) = 0 [pid 11914] <... set_robust_list resumed>) = 0 [pid 11914] rt_sigprocmask(SIG_SETMASK, [], [pid 11912] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11914] memfd_create("syzkaller", 0 [pid 11911] munmap(0x7f43cac00000, 138412032 [pid 5068] <... mkdir resumed>) = 0 [pid 11914] <... memfd_create resumed>) = 3 [pid 11914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11913] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11911] <... munmap resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [ 349.268646][T11906] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 349.306568][T11906] Remounting filesystem read-only [pid 11913] <... futex resumed>) = 1 [pid 11903] <... futex resumed>) = 0 [pid 5071] mkdir("./358", 0777 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11903] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11903] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11911] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11911] ioctl(4, LOOP_SET_FD, 3 [pid 11914] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11913] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11906] <... truncate resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 11911] <... ioctl resumed>) = 0 [pid 11911] close(3) = 0 [pid 11911] close(4) = 0 [pid 11911] mkdir("./file0", 0777 [pid 11914] <... write resumed>) = 1048576 [pid 11906] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5068] ioctl(3, LOOP_CLR_FD [pid 11913] <... fsconfig resumed>) = 0 [pid 11911] <... mkdir resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 11913] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11906] <... futex resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 11913] <... futex resumed>) = 1 [pid 11906] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11903] <... futex resumed>) = 0 [pid 11914] munmap(0x7f43cac00000, 138412032 [pid 11913] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11911] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11903] exit_group(0 [pid 11913] <... futex resumed>) = ? [pid 11906] <... futex resumed>) = ? [pid 11903] <... exit_group resumed>) = ? [pid 11913] +++ exited with 0 +++ [pid 11906] +++ exited with 0 +++ [pid 11903] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11903, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5070] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5070] umount2("./354", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./354", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./354/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./354/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] unlink("./354/binderfs") = 0 [ 349.315103][T11906] NILFS (loop3): error -5 truncating bmap (ino=16) [ 349.322167][T11911] loop2: detected capacity change from 0 to 2048 [ 349.329350][T11913] NILFS (loop3): mounting fs with errors [pid 5070] umount2("./354/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11914] <... munmap resumed>) = 0 [pid 11914] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11914] ioctl(4, LOOP_SET_FD, 3 [pid 11911] <... mount resumed>) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 11911] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... umount2 resumed>) = 0 [pid 5068] close(3 [pid 11911] <... openat resumed>) = 3 [pid 5070] umount2("./354/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... close resumed>) = 0 [pid 11911] chdir("./file0" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11911] <... chdir resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11911] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] newfstatat(AT_FDCWD, "./354/file0", [pid 11911] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11911] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11909] <... futex resumed>) = 0 [pid 11909] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11909] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11911] <... futex resumed>) = 1 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11911] truncate("./file2", 0 [pid 5070] umount2("./354/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./354/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11916 [ 349.372234][T11911] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 349.391738][T11915] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 349.406543][T11914] loop0: detected capacity change from 0 to 2048 [pid 5070] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 11916 attached [pid 11914] <... ioctl resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 5070] getdents64(4, [pid 11914] close(3 [pid 5071] close(3 [pid 11914] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11914] close(4 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] getdents64(4, [pid 11914] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 11914] mkdir("./file0", 0777 [pid 5070] rmdir("./354/file0" [pid 11914] <... mkdir resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 11916] set_robust_list(0x555589d386a0, 24 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11917 ./strace-static-x86_64: Process 11917 attached [pid 11916] <... set_robust_list resumed>) = 0 [pid 11916] chdir("./351" [pid 11914] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5070] getdents64(3, [pid 11916] <... chdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11917] set_robust_list(0x555589d386a0, 24 [pid 11916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] close(3 [pid 11917] <... set_robust_list resumed>) = 0 [pid 11916] <... prctl resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 11917] chdir("./358" [pid 11916] setpgid(0, 0 [pid 5070] rmdir("./354" [pid 11917] <... chdir resumed>) = 0 [pid 11916] <... setpgid resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [ 349.424057][T11911] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 349.454945][T11911] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 349.456749][T11914] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] mkdir("./355", 0777 [pid 11909] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11909] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] <... mkdir resumed>) = 0 [pid 11917] <... prctl resumed>) = 0 [pid 11917] setpgid(0, 0 [pid 11916] <... openat resumed>) = 3 [pid 11909] <... mmap resumed>) = 0x7f43d3126000 [pid 11909] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11909] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11917] <... setpgid resumed>) = 0 [pid 11916] write(3, "1000", 4 [pid 11911] <... truncate resumed>) = 0 [pid 11909] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11916] <... write resumed>) = 4 [pid 11911] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11918 attached [pid 11917] <... openat resumed>) = 3 [pid 11916] close(3 [pid 11911] <... futex resumed>) = 0 [pid 11918] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11917] write(3, "1000", 4 [pid 11916] <... close resumed>) = 0 [pid 11911] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11909] <... clone3 resumed> => {parent_tid=[11918]}, 88) = 11918 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11918] <... rseq resumed>) = 0 [pid 11917] <... write resumed>) = 4 [pid 11916] symlink("/dev/binderfs", "./binderfs" [pid 11909] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] <... openat resumed>) = 3 [pid 11918] set_robust_list(0x7f43d31469a0, 24 [pid 11917] close(3 [pid 11916] <... symlink resumed>) = 0 [pid 11909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 11918] <... set_robust_list resumed>) = 0 [pid 11917] <... close resumed>) = 0 [pid 11916] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11909] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11918] rt_sigprocmask(SIG_SETMASK, [], [pid 11917] symlink("/dev/binderfs", "./binderfs" [pid 11916] <... futex resumed>) = 0 [pid 11909] <... futex resumed>) = 0 [pid 11918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11917] <... symlink resumed>) = 0 [pid 11916] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11914] <... mount resumed>) = 0 [pid 11917] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11916] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11914] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11917] <... futex resumed>) = 0 [pid 11916] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11914] <... openat resumed>) = 3 [pid 11917] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11914] chdir("./file0" [pid 11917] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11914] <... chdir resumed>) = 0 [pid 11917] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11916] <... mmap resumed>) = 0x7f43d3147000 [pid 11914] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11916] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11914] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11916] <... mprotect resumed>) = 0 [pid 11914] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] <... mmap resumed>) = 0x7f43d3147000 [pid 11916] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11914] <... futex resumed>) = 1 [pid 11917] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11916] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11914] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11917] <... mprotect resumed>) = 0 [pid 11916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11920 attached [pid 11917] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11920] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11917] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11916] <... clone3 resumed> => {parent_tid=[11920]}, 88) = 11920 [pid 11920] <... rseq resumed>) = 0 [pid 11918] fspick(AT_FDCWD, ".", 0 [pid 11917] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11916] rt_sigprocmask(SIG_SETMASK, [], [pid 11912] <... futex resumed>) = 0 [pid 11909] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11920] set_robust_list(0x7f43d31679a0, 24 [pid 11916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11920] <... set_robust_list resumed>) = 0 [pid 11918] <... fspick resumed>) = 4 [pid 11917] <... clone3 resumed> => {parent_tid=[11921]}, 88) = 11921 [pid 11916] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11912] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11920] rt_sigprocmask(SIG_SETMASK, [], [pid 11917] rt_sigprocmask(SIG_SETMASK, [], [pid 11916] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11921 attached [pid 11920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11918] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11916] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11914] <... futex resumed>) = 0 [pid 11912] <... futex resumed>) = 1 [pid 11921] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11920] memfd_create("syzkaller", 0 [pid 11918] <... futex resumed>) = 1 [pid 11917] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11914] truncate("./file2", 0 [pid 11912] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11909] <... futex resumed>) = 0 [ 349.468146][T11911] Remounting filesystem read-only [ 349.480334][T11911] NILFS (loop2): error -5 truncating bmap (ino=16) [ 349.500175][T11919] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11921] <... rseq resumed>) = 0 [pid 11920] <... memfd_create resumed>) = 3 [pid 11918] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11917] <... futex resumed>) = 0 [pid 11909] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11921] set_robust_list(0x7f43d31679a0, 24 [pid 11909] <... futex resumed>) = 1 [pid 11921] <... set_robust_list resumed>) = 0 [pid 11920] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11911] <... futex resumed>) = 0 [pid 11909] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11921] rt_sigprocmask(SIG_SETMASK, [], [pid 11920] <... mmap resumed>) = 0x7f43cac00000 [pid 11917] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11911] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11921] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11921] memfd_create("syzkaller", 0) = 3 [pid 11921] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11911] <... fsconfig resumed>) = 0 [pid 11911] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11909] <... futex resumed>) = 0 [pid 11911] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11909] exit_group(0 [pid 11918] <... futex resumed>) = ? [pid 11909] <... exit_group resumed>) = ? [pid 11918] +++ exited with 0 +++ [pid 11911] <... futex resumed>) = ? [pid 11911] +++ exited with 0 +++ [pid 11909] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11909, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5069] umount2("./354", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11921] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11920] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5070] <... ioctl resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./354", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11912] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] <... openat resumed>) = 3 [pid 11912] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 5069] newfstatat(3, "", [pid 11912] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5070] close(3 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11912] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] <... close resumed>) = 0 [pid 5069] getdents64(3, [pid 11912] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./354/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./354/binderfs", [pid 11912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11912] <... clone3 resumed> => {parent_tid=[11923]}, 88) = 11923 ./strace-static-x86_64: Process 11922 attached [pid 11912] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11922 [pid 5069] unlink("./354/binderfs"./strace-static-x86_64: Process 11923 attached [pid 11922] set_robust_list(0x555589d386a0, 24 [pid 11912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 11923] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11922] <... set_robust_list resumed>) = 0 [pid 11923] <... rseq resumed>) = 0 [pid 11912] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./354/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11923] set_robust_list(0x7f43d31469a0, 24 [pid 11922] chdir("./355" [pid 11912] <... futex resumed>) = 0 [pid 11923] <... set_robust_list resumed>) = 0 [pid 11922] <... chdir resumed>) = 0 [pid 11920] <... write resumed>) = 1048576 [pid 11912] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11923] rt_sigprocmask(SIG_SETMASK, [], [ 349.517008][T11914] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 349.539477][T11911] NILFS (loop2): mounting fs with errors [ 349.561013][T11914] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11920] munmap(0x7f43cac00000, 138412032 [pid 11923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11922] <... prctl resumed>) = 0 [pid 11922] setpgid(0, 0) = 0 [pid 11922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11923] fspick(AT_FDCWD, ".", 0 [pid 11922] write(3, "1000", 4 [pid 11920] <... munmap resumed>) = 0 [pid 11922] <... write resumed>) = 4 [pid 11922] close(3) = 0 [pid 11922] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11923] <... fspick resumed>) = 4 [pid 11922] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11920] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11914] <... truncate resumed>) = 0 [pid 11923] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11922] <... futex resumed>) = 0 [pid 11923] <... futex resumed>) = 1 [pid 11912] <... futex resumed>) = 0 [pid 11923] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11920] <... openat resumed>) = 4 [pid 11912] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11922] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11912] <... futex resumed>) = 0 [pid 11922] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11912] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11922] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11920] ioctl(4, LOOP_SET_FD, 3 [pid 11923] <... fsconfig resumed>) = 0 [pid 11922] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11923] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11922] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11924 attached [pid 11923] <... futex resumed>) = 1 [pid 11920] <... ioctl resumed>) = 0 [pid 11912] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 11914] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11924] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11923] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11922] <... clone3 resumed> => {parent_tid=[11924]}, 88) = 11924 [pid 11920] close(3 [pid 11914] <... futex resumed>) = 0 [pid 11912] exit_group(0 [pid 5069] umount2("./354/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11924] <... rseq resumed>) = 0 [pid 11923] <... futex resumed>) = ? [pid 11922] rt_sigprocmask(SIG_SETMASK, [], [pid 11921] <... write resumed>) = 1048576 [pid 11920] <... close resumed>) = 0 [pid 11912] <... exit_group resumed>) = ? [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11924] set_robust_list(0x7f43d31679a0, 24 [pid 11923] +++ exited with 0 +++ [pid 11922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11921] munmap(0x7f43cac00000, 138412032 [pid 11920] close(4 [pid 11914] +++ exited with 0 +++ [pid 5069] newfstatat(AT_FDCWD, "./354/file0", [pid 11924] <... set_robust_list resumed>) = 0 [pid 11922] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11921] <... munmap resumed>) = 0 [pid 11920] <... close resumed>) = 0 [pid 11912] +++ exited with 0 +++ [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11924] rt_sigprocmask(SIG_SETMASK, [], [pid 11922] <... futex resumed>) = 0 [pid 11921] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11920] mkdir("./file0", 0777 [pid 5069] umount2("./354/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11922] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11921] <... openat resumed>) = 4 [pid 11920] <... mkdir resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11912, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [ 349.601603][T11914] Remounting filesystem read-only [ 349.608146][T11914] NILFS (loop0): error -5 truncating bmap (ino=16) [ 349.621832][T11923] NILFS (loop0): mounting fs with errors [ 349.629828][T11920] loop1: detected capacity change from 0 to 2048 [pid 11924] memfd_create("syzkaller", 0 [pid 11921] ioctl(4, LOOP_SET_FD, 3 [pid 11920] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 11924] <... memfd_create resumed>) = 3 [pid 5069] openat(AT_FDCWD, "./354/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... restart_syscall resumed>) = 0 [pid 11924] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11921] <... ioctl resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 11924] <... mmap resumed>) = 0x7f43cac00000 [pid 5067] umount2("./355", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 11924] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11921] close(3 [pid 5069] newfstatat(4, "", [pid 5067] openat(AT_FDCWD, "./355", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11921] <... close resumed>) = 0 [pid 11921] close(4 [pid 5069] getdents64(4, [pid 11921] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11921] mkdir("./file0", 0777) = 0 [pid 5069] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./354/file0") = 0 [pid 5069] getdents64(3, [pid 5067] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./354") = 0 [pid 5067] newfstatat(3, "", [pid 5069] mkdir("./355", 0777) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11921] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] getdents64(3, [pid 5069] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5067] umount2("./355/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./355/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11924] <... write resumed>) = 1048576 [pid 11924] munmap(0x7f43cac00000, 138412032) = 0 [pid 11924] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5067] unlink("./355/binderfs" [pid 11924] <... openat resumed>) = 4 [ 349.678319][T11921] loop4: detected capacity change from 0 to 2048 [ 349.690098][T11920] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 349.717826][T11921] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11924] ioctl(4, LOOP_SET_FD, 3 [pid 11920] <... mount resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 11924] <... ioctl resumed>) = 0 [pid 11920] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] umount2("./355/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11920] <... openat resumed>) = 3 [ 349.737610][T11924] loop3: detected capacity change from 0 to 2048 [ 349.739259][T11925] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 349.756084][T11926] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11924] close(3) = 0 [pid 11921] <... mount resumed>) = 0 [pid 11920] chdir("./file0" [pid 11924] close(4 [pid 11921] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11924] <... close resumed>) = 0 [pid 11921] <... openat resumed>) = 3 [pid 11920] <... chdir resumed>) = 0 [pid 11924] mkdir("./file0", 0777 [pid 11921] chdir("./file0" [pid 11924] <... mkdir resumed>) = 0 [pid 11921] <... chdir resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 11924] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11921] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11920] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] close(3) = 0 [pid 11921] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11921] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11920] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11917] <... futex resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11920] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11921] <... futex resumed>) = 0 [pid 11917] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11921] truncate("./file2", 0./strace-static-x86_64: Process 11927 attached [pid 11920] <... futex resumed>) = 1 [pid 11916] <... futex resumed>) = 0 [pid 11927] set_robust_list(0x555589d386a0, 24 [pid 11920] truncate("./file2", 0 [pid 11916] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11927] <... set_robust_list resumed>) = 0 [pid 11916] <... futex resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11927 [pid 11916] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11927] chdir("./355") = 0 [ 349.783646][T11924] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 349.803657][T11921] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 349.819846][T11928] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 11924] <... mount resumed>) = 0 [pid 11924] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11924] chdir("./file0") = 0 [pid 11924] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5067] umount2("./355/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./355/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./355/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11924] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11924] <... futex resumed>) = 1 [pid 11922] <... futex resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./355/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11922] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... openat resumed>) = 4 [pid 11922] <... futex resumed>) = 0 [pid 5067] newfstatat(4, "", [pid 11922] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4 [pid 11927] setpgid(0, 0 [pid 11924] truncate("./file2", 0 [pid 5067] <... close resumed>) = 0 [pid 11927] <... setpgid resumed>) = 0 [pid 11917] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11917] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] rmdir("./355/file0" [pid 11917] <... futex resumed>) = 0 [pid 11927] <... openat resumed>) = 3 [pid 11917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] close(3) = 0 [pid 5067] rmdir("./355") = 0 [pid 5067] mkdir("./356", 0777) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11927] write(3, "1000", 4 [pid 11917] <... mmap resumed>) = 0x7f43d3126000 [pid 11916] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11927] <... write resumed>) = 4 [pid 11916] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11927] close(3 [pid 11916] <... futex resumed>) = 0 [pid 11927] <... close resumed>) = 0 [pid 11916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11927] symlink("/dev/binderfs", "./binderfs" [pid 11916] <... mmap resumed>) = 0x7f43d3126000 [pid 11917] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11927] <... symlink resumed>) = 0 [pid 11916] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11917] <... mprotect resumed>) = 0 [pid 11927] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11916] <... mprotect resumed>) = 0 [pid 11917] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11927] <... futex resumed>) = 0 [pid 11917] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11916] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11927] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11916] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11927] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11917] <... clone3 resumed> => {parent_tid=[11929]}, 88) = 11929 ./strace-static-x86_64: Process 11929 attached [pid 11917] rt_sigprocmask(SIG_SETMASK, [], [pid 11929] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 11927] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11922] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11929] set_robust_list(0x7f43d31469a0, 24 [pid 11917] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11929] <... set_robust_list resumed>) = 0 [pid 11917] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11929] rt_sigprocmask(SIG_SETMASK, [], [pid 11927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11922] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11916] <... clone3 resumed> => {parent_tid=[11930]}, 88) = 11930 [pid 11929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11922] <... futex resumed>) = 0 [pid 11916] rt_sigprocmask(SIG_SETMASK, [], [pid 11929] fspick(AT_FDCWD, ".", 0) = 4 [pid 11927] <... mmap resumed>) = 0x7f43d3147000 [pid 11922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11916] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 11930 attached [pid 11927] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11922] <... mmap resumed>) = 0x7f43d3126000 [pid 11916] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11930] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11927] <... mprotect resumed>) = 0 [pid 11922] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11916] <... futex resumed>) = 0 [pid 11930] <... rseq resumed>) = 0 [pid 11927] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11922] <... mprotect resumed>) = 0 [pid 11916] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11930] set_robust_list(0x7f43d31469a0, 24 [pid 11927] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11922] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11930] <... set_robust_list resumed>) = 0 [pid 11927] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11922] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11930] rt_sigprocmask(SIG_SETMASK, [], [pid 11922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11927] <... clone3 resumed> => {parent_tid=[11931]}, 88) = 11931 [pid 11930] fspick(AT_FDCWD, ".", 0 [pid 11929] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11927] rt_sigprocmask(SIG_SETMASK, [], [pid 11922] <... clone3 resumed> => {parent_tid=[11932]}, 88) = 11932 [ 349.831988][T11920] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 349.838247][T11921] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 349.856427][T11924] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 349.860936][T11920] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 349.871850][T11924] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11930] <... fspick resumed>) = 4 [pid 11929] <... futex resumed>) = 1 [pid 11927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11922] rt_sigprocmask(SIG_SETMASK, [], [pid 11917] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11932 attached ./strace-static-x86_64: Process 11931 attached [pid 11930] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11929] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11927] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11917] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... ioctl resumed>) = 0 [pid 11932] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11931] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11930] <... futex resumed>) = 1 [pid 11929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11927] <... futex resumed>) = 0 [pid 11917] <... futex resumed>) = 0 [pid 11916] <... futex resumed>) = 0 [pid 11932] <... rseq resumed>) = 0 [pid 11931] <... rseq resumed>) = 0 [pid 11930] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11927] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11922] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11932] set_robust_list(0x7f43d31469a0, 24 [pid 11931] set_robust_list(0x7f43d31679a0, 24 [pid 11930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11929] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11922] <... futex resumed>) = 0 [pid 11916] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11932] <... set_robust_list resumed>) = 0 [pid 11931] <... set_robust_list resumed>) = 0 [pid 11930] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11922] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11932] rt_sigprocmask(SIG_SETMASK, [], [pid 11931] rt_sigprocmask(SIG_SETMASK, [], [pid 11916] <... futex resumed>) = 0 [pid 11932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11932] fspick(AT_FDCWD, ".", 0 [pid 11916] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11932] <... fspick resumed>) = 4 [pid 11932] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11922] <... futex resumed>) = 0 [pid 11932] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11922] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11922] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] close(3) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11933 attached [pid 11931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11921] <... truncate resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11933 [pid 11933] set_robust_list(0x555589d386a0, 24) = 0 [pid 11921] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11933] chdir("./356" [pid 11921] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11931] memfd_create("syzkaller", 0) = 3 [pid 11929] <... fsconfig resumed>) = 0 [pid 11933] <... chdir resumed>) = 0 [pid 11933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11933] setpgid(0, 0) = 0 [ 349.905618][T11921] Remounting filesystem read-only [ 349.924688][T11921] NILFS (loop4): error -5 truncating bmap (ino=16) [ 349.925774][T11920] Remounting filesystem read-only [ 349.937345][T11929] NILFS (loop4): mounting fs with errors [ 349.943619][T11924] Remounting filesystem read-only [pid 11933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11931] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11929] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11917] <... futex resumed>) = 0 [pid 11917] exit_group(0) = ? [pid 11931] <... mmap resumed>) = 0x7f43cac00000 [pid 11929] +++ exited with 0 +++ [pid 11933] write(3, "1000", 4 [pid 11921] <... futex resumed>) = ? [pid 11933] <... write resumed>) = 4 [pid 11921] +++ exited with 0 +++ [pid 11917] +++ exited with 0 +++ [pid 11933] close(3) = 0 [pid 11920] <... truncate resumed>) = 0 [pid 11931] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11917, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 11933] symlink("/dev/binderfs", "./binderfs" [pid 11931] <... write resumed>) = 1048576 [pid 11930] <... fsconfig resumed>) = 0 [pid 11924] <... truncate resumed>) = 0 [pid 11922] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11920] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11916] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11931] munmap(0x7f43cac00000, 138412032 [pid 11930] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11924] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11916] exit_group(0 [pid 5071] umount2("./358", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11933] <... symlink resumed>) = 0 [pid 11932] <... fsconfig resumed>) = 0 [pid 11931] <... munmap resumed>) = 0 [pid 11930] <... futex resumed>) = ? [pid 11924] <... futex resumed>) = 0 [pid 11920] <... futex resumed>) = ? [pid 11916] <... exit_group resumed>) = ? [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11933] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11932] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11931] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11930] +++ exited with 0 +++ [pid 11924] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] openat(AT_FDCWD, "./358", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11931] <... openat resumed>) = 4 [pid 5071] <... openat resumed>) = 3 [pid 11931] ioctl(4, LOOP_SET_FD, 3 [pid 5071] newfstatat(3, "", [pid 11933] <... futex resumed>) = 0 [pid 11932] <... futex resumed>) = 0 [pid 11922] exit_group(0 [pid 11920] +++ exited with 0 +++ [pid 11916] +++ exited with 0 +++ [pid 11933] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11922] <... exit_group resumed>) = ? [pid 11933] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11932] +++ exited with 0 +++ [ 349.950520][T11924] NILFS (loop3): error -5 truncating bmap (ino=16) [ 349.957775][T11920] NILFS (loop1): error -5 truncating bmap (ino=16) [ 349.957967][T11930] NILFS (loop1): mounting fs with errors [ 349.987520][T11932] NILFS (loop3): mounting fs with errors [ 350.000083][T11931] loop2: detected capacity change from 0 to 2048 [pid 11933] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11933] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11924] <... futex resumed>) = ? [pid 11933] <... mprotect resumed>) = 0 [pid 11931] <... ioctl resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11916, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 11933] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11934 attached [pid 11934] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11933] <... clone3 resumed> => {parent_tid=[11934]}, 88) = 11934 [pid 11934] <... rseq resumed>) = 0 [pid 11933] rt_sigprocmask(SIG_SETMASK, [], [pid 11934] set_robust_list(0x7f43d31679a0, 24 [pid 11933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11934] <... set_robust_list resumed>) = 0 [pid 11933] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] getdents64(3, [pid 11934] rt_sigprocmask(SIG_SETMASK, [], [pid 11933] <... futex resumed>) = 0 [pid 5068] umount2("./351", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11933] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11934] memfd_create("syzkaller", 0 [pid 11931] close(3 [pid 11924] +++ exited with 0 +++ [pid 11922] +++ exited with 0 +++ [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] openat(AT_FDCWD, "./351", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11931] <... close resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11922, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11931] close(4 [pid 5071] umount2("./358/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5068] <... openat resumed>) = 3 [pid 11931] <... close resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 11931] mkdir("./file0", 0777 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(3, "", [pid 11934] <... memfd_create resumed>) = 3 [pid 11934] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11934] <... mmap resumed>) = 0x7f43cac00000 [pid 5068] getdents64(3, [pid 5071] newfstatat(AT_FDCWD, "./358/binderfs", [pid 5070] umount2("./355", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./355", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./351/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5071] unlink("./358/binderfs" [pid 5070] newfstatat(3, "", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./351/binderfs", [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] getdents64(3, [pid 5068] unlink("./351/binderfs" [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] <... unlink resumed>) = 0 [pid 5070] umount2("./355/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./351/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./355/binderfs", [pid 11931] <... mkdir resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] unlink("./355/binderfs" [pid 5071] <... unlink resumed>) = 0 [pid 11931] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5070] <... unlink resumed>) = 0 [pid 5071] umount2("./358/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./355/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11934] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5068] <... umount2 resumed>) = 0 [pid 5068] umount2("./351/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./351/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./351/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 11931] <... mount resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./351/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 350.036919][T11931] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 350.072058][T11935] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11931] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] <... openat resumed>) = 4 [pid 11934] <... write resumed>) = 1048576 [pid 11931] <... openat resumed>) = 3 [pid 5068] newfstatat(4, "", [pid 11934] munmap(0x7f43cac00000, 138412032 [pid 11931] chdir("./file0" [pid 5071] umount2("./358/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./355/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11931] <... chdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(4, [pid 11931] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5071] newfstatat(AT_FDCWD, "./358/file0", [pid 5070] newfstatat(AT_FDCWD, "./355/file0", [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11934] <... munmap resumed>) = 0 [pid 11931] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] getdents64(4, [pid 11931] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] umount2("./358/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11931] <... futex resumed>) = 1 [pid 11927] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./355/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] close(4 [pid 11934] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11931] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11927] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] openat(AT_FDCWD, "./358/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... close resumed>) = 0 [pid 11931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11927] <... futex resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5070] openat(AT_FDCWD, "./355/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] rmdir("./351/file0" [pid 11934] <... openat resumed>) = 4 [pid 11931] truncate("./file2", 0 [pid 5070] <... openat resumed>) = 4 [pid 5071] newfstatat(4, "", [pid 11927] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11934] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] newfstatat(4, "", [pid 5068] <... rmdir resumed>) = 0 [pid 11934] <... ioctl resumed>) = 0 [pid 5071] getdents64(4, [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(3, [pid 11934] close(3 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11934] <... close resumed>) = 0 [pid 11934] close(4 [pid 5071] getdents64(4, [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] close(3 [pid 11934] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11934] mkdir("./file0", 0777 [pid 5071] close(4 [pid 5070] getdents64(4, [pid 5068] <... close resumed>) = 0 [pid 11934] <... mkdir resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] rmdir("./351" [pid 5071] rmdir("./358/file0" [pid 5070] close(4 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 11934] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11931] <... truncate resumed>) = 0 [pid 11927] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] rmdir("./355/file0" [pid 5068] mkdir("./352", 0777 [pid 5071] getdents64(3, [pid 11927] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11927] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11927] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] close(3 [pid 11927] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11927] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5071] <... close resumed>) = 0 ./strace-static-x86_64: Process 11936 attached [pid 5071] rmdir("./358" [pid 11936] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11931] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11927] <... clone3 resumed> => {parent_tid=[11936]}, 88) = 11936 [pid 11936] <... rseq resumed>) = 0 [pid 11931] <... futex resumed>) = 0 [pid 11936] set_robust_list(0x7f43d31469a0, 24 [pid 11931] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11927] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 11936] <... set_robust_list resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [ 350.095769][T11931] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 350.105315][T11934] loop0: detected capacity change from 0 to 2048 [ 350.107757][T11931] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 350.123458][T11931] Remounting filesystem read-only [ 350.128544][T11931] NILFS (loop2): error -5 truncating bmap (ino=16) [pid 11936] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] mkdir("./359", 0777 [pid 5070] getdents64(3, [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11936] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11927] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11927] <... futex resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5070] close(3 [pid 5068] <... openat resumed>) = 3 [pid 11936] fspick(AT_FDCWD, ".", 0 [pid 11927] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] <... close resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 11936] <... fspick resumed>) = 4 [pid 5071] <... openat resumed>) = 3 [pid 5070] rmdir("./355" [pid 11936] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] <... rmdir resumed>) = 0 [pid 11936] <... futex resumed>) = 1 [pid 11927] <... futex resumed>) = 0 [pid 5070] mkdir("./356", 0777 [pid 11936] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11927] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... mkdir resumed>) = 0 [pid 11931] <... futex resumed>) = 0 [pid 11927] <... futex resumed>) = 1 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11931] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11927] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... openat resumed>) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 11934] <... mount resumed>) = 0 [pid 11931] <... fsconfig resumed>) = 0 [pid 11931] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11934] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11931] <... futex resumed>) = 1 [pid 11931] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11927] <... futex resumed>) = 0 [pid 11934] <... openat resumed>) = 3 [pid 11927] exit_group(0 [pid 11936] <... futex resumed>) = ? [pid 11936] +++ exited with 0 +++ [pid 11934] chdir("./file0" [pid 11931] <... futex resumed>) = ? [pid 11927] <... exit_group resumed>) = ? [pid 5068] <... ioctl resumed>) = 0 [pid 11931] +++ exited with 0 +++ [pid 5068] close(3 [pid 11934] <... chdir resumed>) = 0 [pid 11934] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11934] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11934] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11927] +++ exited with 0 +++ [pid 11933] <... futex resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11927, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [ 350.157608][T11934] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 350.180838][T11931] NILFS (loop2): mounting fs with errors [ 350.187758][T11937] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11933] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11934] <... futex resumed>) = 0 [pid 11933] <... futex resumed>) = 1 [pid 11934] truncate("./file2", 0 [pid 11933] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... ioctl resumed>) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5070] close(3 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] umount2("./355", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 ./strace-static-x86_64: Process 11938 attached [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11938] set_robust_list(0x555589d386a0, 24 [pid 5071] close(3 [pid 5069] openat(AT_FDCWD, "./355", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 11939 attached [pid 11938] <... set_robust_list resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11938 [pid 11938] chdir("./352" [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] newfstatat(3, "", [pid 11938] <... chdir resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 11940 attached [pid 11938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11940 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11939 [pid 5069] getdents64(3, [pid 11940] set_robust_list(0x555589d386a0, 24 [pid 11939] set_robust_list(0x555589d386a0, 24 [pid 11938] <... prctl resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11938] setpgid(0, 0 [pid 5069] umount2("./355/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11940] <... set_robust_list resumed>) = 0 [pid 11939] <... set_robust_list resumed>) = 0 [pid 11938] <... setpgid resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11940] chdir("./359" [pid 11939] chdir("./356" [pid 11938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11940] <... chdir resumed>) = 0 [pid 11939] <... chdir resumed>) = 0 [pid 11938] <... openat resumed>) = 3 [pid 5069] newfstatat(AT_FDCWD, "./355/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11939] prctl(PR_SET_PDEATHSIG, SIGKILL [ 350.232716][T11934] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 350.263714][T11934] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 5069] unlink("./355/binderfs" [pid 11939] <... prctl resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 11940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11938] write(3, "1000", 4 [pid 11940] <... prctl resumed>) = 0 [pid 11938] <... write resumed>) = 4 [pid 11940] setpgid(0, 0 [pid 11938] close(3 [pid 5069] umount2("./355/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11940] <... setpgid resumed>) = 0 [pid 11938] <... close resumed>) = 0 [pid 11940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11938] symlink("/dev/binderfs", "./binderfs" [pid 11940] <... openat resumed>) = 3 [pid 11938] <... symlink resumed>) = 0 [pid 11940] write(3, "1000", 4 [pid 11939] setpgid(0, 0 [pid 11938] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11940] <... write resumed>) = 4 [pid 11939] <... setpgid resumed>) = 0 [pid 11938] <... futex resumed>) = 0 [pid 11938] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11938] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11933] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11939] <... openat resumed>) = 3 [pid 11938] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11933] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11940] close(3 [pid 11938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11933] <... futex resumed>) = 0 [pid 11940] <... close resumed>) = 0 [pid 11938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11940] symlink("/dev/binderfs", "./binderfs" [pid 11938] <... mmap resumed>) = 0x7f43d3147000 [pid 11933] <... mmap resumed>) = 0x7f43d3126000 [pid 11940] <... symlink resumed>) = 0 [pid 11939] write(3, "1000", 4 [pid 11938] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11933] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11939] <... write resumed>) = 4 [pid 11933] <... mprotect resumed>) = 0 [pid 11940] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11939] close(3 [pid 11938] <... mprotect resumed>) = 0 [pid 11934] <... truncate resumed>) = 0 [pid 11933] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11939] <... close resumed>) = 0 [pid 11934] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11933] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11940] <... futex resumed>) = 0 [pid 11939] symlink("/dev/binderfs", "./binderfs" [pid 11934] <... futex resumed>) = 0 [pid 11933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11940] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11939] <... symlink resumed>) = 0 [pid 11938] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11934] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11941 attached [pid 11940] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11939] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 11941] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11940] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11939] <... futex resumed>) = 0 [pid 11941] <... rseq resumed>) = 0 [pid 11940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11939] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11933] <... clone3 resumed> => {parent_tid=[11941]}, 88) = 11941 [pid 5069] umount2("./355/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11941] set_robust_list(0x7f43d31469a0, 24 [pid 11940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11939] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 11942 attached [pid 11941] <... set_robust_list resumed>) = 0 [pid 11940] <... mmap resumed>) = 0x7f43d3147000 [pid 11939] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11933] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11942] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11941] rt_sigprocmask(SIG_SETMASK, [], [pid 11940] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11938] <... clone3 resumed> => {parent_tid=[11942]}, 88) = 11942 [pid 11933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] newfstatat(AT_FDCWD, "./355/file0", [pid 11942] <... rseq resumed>) = 0 [pid 11941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11940] <... mprotect resumed>) = 0 [pid 11939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11941] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11939] <... mmap resumed>) = 0x7f43d3147000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11942] set_robust_list(0x7f43d31679a0, 24 [pid 11940] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11939] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11938] rt_sigprocmask(SIG_SETMASK, [], [pid 11933] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./355/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11942] <... set_robust_list resumed>) = 0 [pid 11941] <... futex resumed>) = 0 [pid 11940] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11939] <... mprotect resumed>) = 0 [pid 11938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11933] <... futex resumed>) = 1 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11942] rt_sigprocmask(SIG_SETMASK, [], [pid 11941] fspick(AT_FDCWD, ".", 0 [pid 11940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11939] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11938] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11933] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] openat(AT_FDCWD, "./355/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11941] <... fspick resumed>) = 4 [pid 11939] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... openat resumed>) = 4 ./strace-static-x86_64: Process 11943 attached [pid 11942] memfd_create("syzkaller", 0 [pid 11941] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11940] <... clone3 resumed> => {parent_tid=[11943]}, 88) = 11943 [pid 11939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11938] <... futex resumed>) = 0 [pid 5069] newfstatat(4, "", ./strace-static-x86_64: Process 11944 attached [ 350.290571][T11934] Remounting filesystem read-only [ 350.303038][T11934] NILFS (loop0): error -5 truncating bmap (ino=16) [pid 11943] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11942] <... memfd_create resumed>) = 3 [pid 11941] <... futex resumed>) = 1 [pid 11940] rt_sigprocmask(SIG_SETMASK, [], [pid 11938] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11933] <... futex resumed>) = 0 [pid 11944] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11943] <... rseq resumed>) = 0 [pid 11941] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11939] <... clone3 resumed> => {parent_tid=[11944]}, 88) = 11944 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11939] rt_sigprocmask(SIG_SETMASK, [], [pid 11943] set_robust_list(0x7f43d31679a0, 24 [pid 11939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11933] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] getdents64(4, [pid 11944] <... rseq resumed>) = 0 [pid 11943] <... set_robust_list resumed>) = 0 [pid 11940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11939] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11934] <... futex resumed>) = 0 [pid 11933] <... futex resumed>) = 1 [pid 11944] set_robust_list(0x7f43d31679a0, 24 [pid 11943] rt_sigprocmask(SIG_SETMASK, [], [pid 11942] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11940] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11939] <... futex resumed>) = 0 [pid 11933] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11940] <... futex resumed>) = 0 [pid 5069] getdents64(4, [pid 11939] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11934] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11944] <... set_robust_list resumed>) = 0 [pid 11943] memfd_create("syzkaller", 0 [pid 11942] <... mmap resumed>) = 0x7f43cac00000 [pid 11940] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11944] rt_sigprocmask(SIG_SETMASK, [], [pid 11934] <... fsconfig resumed>) = 0 [pid 5069] close(4 [pid 11944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11943] <... memfd_create resumed>) = 3 [pid 11934] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... close resumed>) = 0 [pid 11944] memfd_create("syzkaller", 0 [pid 5069] rmdir("./355/file0") = 0 [pid 11944] <... memfd_create resumed>) = 3 [pid 11942] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5069] getdents64(3, [pid 11944] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11943] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11934] <... futex resumed>) = 1 [pid 11933] <... futex resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11944] <... mmap resumed>) = 0x7f43cac00000 [pid 11943] <... mmap resumed>) = 0x7f43cac00000 [pid 11934] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11933] exit_group(0 [pid 11941] <... futex resumed>) = ? [pid 11934] <... futex resumed>) = ? [pid 11933] <... exit_group resumed>) = ? [pid 5069] close(3 [pid 11941] +++ exited with 0 +++ [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./355") = 0 [pid 11944] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11943] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11942] <... write resumed>) = 1048576 [pid 11934] +++ exited with 0 +++ [pid 11933] +++ exited with 0 +++ [pid 5069] mkdir("./356", 0777 [pid 11942] munmap(0x7f43cac00000, 138412032 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11933, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5069] <... mkdir resumed>) = 0 [pid 11942] <... munmap resumed>) = 0 [pid 11943] <... write resumed>) = 1048576 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11944] <... write resumed>) = 1048576 [pid 11943] munmap(0x7f43cac00000, 138412032 [pid 11942] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] <... openat resumed>) = 3 [pid 5067] umount2("./356", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11944] munmap(0x7f43cac00000, 138412032 [pid 11942] <... openat resumed>) = 4 [ 350.362704][T11934] NILFS (loop0): mounting fs with errors [pid 5069] ioctl(3, LOOP_CLR_FD [pid 11942] ioctl(4, LOOP_SET_FD, 3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11944] <... munmap resumed>) = 0 [pid 11943] <... munmap resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./356", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11944] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5067] <... openat resumed>) = 3 [pid 11944] <... openat resumed>) = 4 [pid 11943] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5067] newfstatat(3, "", [pid 11944] ioctl(4, LOOP_SET_FD, 3 [pid 11943] ioctl(4, LOOP_SET_FD, 3 [pid 11942] <... ioctl resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./356/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./356/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./356/binderfs") = 0 [pid 5067] umount2("./356/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11944] <... ioctl resumed>) = 0 [pid 11943] <... ioctl resumed>) = 0 [pid 11942] close(3 [pid 5067] <... umount2 resumed>) = 0 [pid 11944] close(3 [pid 11943] close(3 [pid 11942] <... close resumed>) = 0 [pid 5067] umount2("./356/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11944] <... close resumed>) = 0 [pid 11943] <... close resumed>) = 0 [pid 11942] close(4 [pid 11944] close(4 [pid 11943] close(4 [pid 11942] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11944] <... close resumed>) = 0 [pid 11943] <... close resumed>) = 0 [pid 11942] mkdir("./file0", 0777 [pid 11944] mkdir("./file0", 0777 [pid 11943] mkdir("./file0", 0777 [pid 5067] newfstatat(AT_FDCWD, "./356/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./356/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11944] <... mkdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./356/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11943] <... mkdir resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 11944] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, [pid 11942] <... mkdir resumed>) = 0 [pid 11943] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11942] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 5067] rmdir("./356/file0") = 0 [ 350.410183][T11942] loop1: detected capacity change from 0 to 2048 [ 350.415745][T11944] loop3: detected capacity change from 0 to 2048 [ 350.418137][T11943] loop4: detected capacity change from 0 to 2048 [pid 5067] getdents64(3, [pid 5069] <... ioctl resumed>) = 0 [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11945 attached [pid 11945] set_robust_list(0x555589d386a0, 24) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11945] chdir("./356" [pid 5067] close(3) = 0 [pid 11945] <... chdir resumed>) = 0 [pid 5067] rmdir("./356") = 0 [pid 11945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11945 [pid 11945] setpgid(0, 0) = 0 [pid 11945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] mkdir("./357", 0777) = 0 [pid 11945] <... openat resumed>) = 3 [pid 11945] write(3, "1000", 4 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11945] <... write resumed>) = 4 [pid 5067] <... openat resumed>) = 3 [pid 11945] close(3) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11945] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11945] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11945] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11945] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11945] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11945] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11946 attached => {parent_tid=[11946]}, 88) = 11946 [pid 11946] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11945] rt_sigprocmask(SIG_SETMASK, [], [pid 11946] <... rseq resumed>) = 0 [pid 11945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11946] set_robust_list(0x7f43d31679a0, 24 [pid 11945] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11946] <... set_robust_list resumed>) = 0 [ 350.453841][T11944] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 350.464029][T11942] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 350.474525][T11943] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11945] <... futex resumed>) = 0 [pid 11946] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11946] memfd_create("syzkaller", 0) = 3 [pid 11945] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11946] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 5067] <... ioctl resumed>) = 0 [pid 11946] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11944] <... mount resumed>) = 0 [pid 11943] <... mount resumed>) = 0 [pid 11942] <... mount resumed>) = 0 [pid 11944] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11943] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11942] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11944] <... openat resumed>) = 3 [pid 11944] chdir("./file0" [pid 11943] <... openat resumed>) = 3 [pid 11942] <... openat resumed>) = 3 [pid 5067] close(3 [pid 11944] <... chdir resumed>) = 0 [pid 11943] chdir("./file0" [pid 11942] chdir("./file0" [pid 11944] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11943] <... chdir resumed>) = 0 [pid 11942] <... chdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 11944] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11943] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11942] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11950 attached [pid 11944] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11943] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11942] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11950] set_robust_list(0x555589d386a0, 24 [pid 11942] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11950] <... set_robust_list resumed>) = 0 [pid 11942] <... futex resumed>) = 1 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11950 [pid 11950] chdir("./357" [pid 11944] <... futex resumed>) = 1 [pid 11943] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11939] <... futex resumed>) = 0 [pid 11938] <... futex resumed>) = 0 [pid 11944] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11943] <... futex resumed>) = 1 [pid 11942] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11940] <... futex resumed>) = 0 [pid 11939] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11943] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11938] <... futex resumed>) = 0 [pid 11942] truncate("./file2", 0 [pid 11939] <... futex resumed>) = 0 [pid 11938] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11944] truncate("./file2", 0 [pid 11939] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11950] <... chdir resumed>) = 0 [ 350.520479][T11947] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 350.538609][T11949] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 350.539775][T11948] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11946] <... write resumed>) = 1048576 [pid 11950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11950] setpgid(0, 0) = 0 [pid 11950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11946] munmap(0x7f43cac00000, 138412032 [pid 11950] write(3, "1000", 4 [pid 11946] <... munmap resumed>) = 0 [pid 11950] <... write resumed>) = 4 [pid 11950] close(3 [pid 11946] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11950] <... close resumed>) = 0 [pid 11940] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11950] symlink("/dev/binderfs", "./binderfs" [pid 11946] <... openat resumed>) = 4 [pid 11950] <... symlink resumed>) = 0 [pid 11946] ioctl(4, LOOP_SET_FD, 3 [pid 11950] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11940] <... futex resumed>) = 1 [pid 11940] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11943] <... futex resumed>) = 0 [ 350.593499][T11944] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 350.610773][T11942] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 350.613879][T11946] loop2: detected capacity change from 0 to 2048 [ 350.632137][T11943] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11943] truncate("./file2", 0 [pid 11950] <... futex resumed>) = 0 [pid 11950] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11950] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11950] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11950] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11939] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11950] <... clone3 resumed> => {parent_tid=[11951]}, 88) = 11951 [pid 11950] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11950] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11950] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11939] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11946] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 11951 attached [pid 11946] close(3 [pid 11940] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11939] <... futex resumed>) = 0 [pid 11938] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11951] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11940] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11938] <... futex resumed>) = 0 [pid 11951] <... rseq resumed>) = 0 [pid 11940] <... futex resumed>) = 0 [pid 11939] <... mmap resumed>) = 0x7f43d3126000 [pid 11938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11951] set_robust_list(0x7f43d31679a0, 24 [pid 11946] <... close resumed>) = 0 [pid 11940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11939] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11938] <... mmap resumed>) = 0x7f43d3126000 [pid 11951] <... set_robust_list resumed>) = 0 [pid 11946] close(4 [pid 11940] <... mmap resumed>) = 0x7f43d3126000 [pid 11939] <... mprotect resumed>) = 0 [pid 11938] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11951] rt_sigprocmask(SIG_SETMASK, [], [pid 11939] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11946] <... close resumed>) = 0 [ 350.634072][T11944] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 350.658943][T11942] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 350.671701][T11943] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11940] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11938] <... mprotect resumed>) = 0 [pid 11951] memfd_create("syzkaller", 0 [pid 11946] mkdir("./file0", 0777 [pid 11939] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11946] <... mkdir resumed>) = 0 [pid 11946] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11951] <... memfd_create resumed>) = 3 [pid 11940] <... mprotect resumed>) = 0 [pid 11939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11938] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 11952 attached [pid 11951] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11940] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11938] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11952] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11951] <... mmap resumed>) = 0x7f43cac00000 [pid 11940] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11939] <... clone3 resumed> => {parent_tid=[11952]}, 88) = 11952 [pid 11938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11952] <... rseq resumed>) = 0 [pid 11952] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11939] rt_sigprocmask(SIG_SETMASK, [], [pid 11940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11938] <... clone3 resumed> => {parent_tid=[11953]}, 88) = 11953 [pid 11952] rt_sigprocmask(SIG_SETMASK, [], [pid 11951] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11938] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11952] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 11953 attached [pid 11940] <... clone3 resumed> => {parent_tid=[11954]}, 88) = 11954 [pid 11939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11938] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11952] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11939] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11953] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11952] <... futex resumed>) = 0 [pid 11940] rt_sigprocmask(SIG_SETMASK, [], [pid 11939] <... futex resumed>) = 1 [ 350.699537][T11942] Remounting filesystem read-only [ 350.704939][T11946] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 350.711224][T11942] NILFS (loop1): error -5 truncating bmap (ino=16) [ 350.721083][T11943] Remounting filesystem read-only [ 350.726979][T11944] Remounting filesystem read-only [ 350.729512][T11943] NILFS (loop4): error -5 truncating bmap (ino=16) [pid 11953] <... rseq resumed>) = 0 [pid 11952] fspick(AT_FDCWD, ".", 0 [pid 11940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11939] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11954 attached [pid 11943] <... truncate resumed>) = 0 [pid 11954] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11943] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11954] <... rseq resumed>) = 0 [pid 11943] <... futex resumed>) = 0 [pid 11954] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11954] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11954] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11953] set_robust_list(0x7f43d31469a0, 24 [pid 11952] <... fspick resumed>) = 4 [pid 11943] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11940] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11954] <... futex resumed>) = 0 [pid 11953] <... set_robust_list resumed>) = 0 [pid 11952] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11940] <... futex resumed>) = 1 [pid 11954] fspick(AT_FDCWD, ".", 0 [pid 11953] rt_sigprocmask(SIG_SETMASK, [], [pid 11952] <... futex resumed>) = 1 [pid 11940] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11939] <... futex resumed>) = 0 [pid 11954] <... fspick resumed>) = 4 [pid 11953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11952] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11939] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11954] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11953] fspick(AT_FDCWD, ".", 0 [pid 11952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11942] <... truncate resumed>) = 0 [pid 11939] <... futex resumed>) = 0 [pid 11954] <... futex resumed>) = 1 [pid 11953] <... fspick resumed>) = 4 [pid 11952] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11942] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11940] <... futex resumed>) = 0 [pid 11939] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11954] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11953] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11940] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11943] <... futex resumed>) = 0 [pid 11940] <... futex resumed>) = 1 [pid 11943] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11940] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11953] <... futex resumed>) = 1 [pid 11944] <... truncate resumed>) = 0 [pid 11943] <... fsconfig resumed>) = 0 [pid 11942] <... futex resumed>) = 0 [pid 11938] <... futex resumed>) = 0 [pid 11953] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11944] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11943] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11942] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11938] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11952] <... fsconfig resumed>) = 0 [pid 11952] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11944] <... futex resumed>) = 0 [pid 11943] <... futex resumed>) = 1 [pid 11942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11940] <... futex resumed>) = 0 [pid 11938] <... futex resumed>) = 0 [pid 11952] <... futex resumed>) = 1 [pid 11944] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11943] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11942] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11940] exit_group(0 [pid 11939] <... futex resumed>) = 0 [pid 11938] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11954] <... futex resumed>) = ? [pid 11952] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11943] <... futex resumed>) = ? [pid 11940] <... exit_group resumed>) = ? [pid 11954] +++ exited with 0 +++ [pid 11943] +++ exited with 0 +++ [pid 11940] +++ exited with 0 +++ [pid 11939] exit_group(0) = ? [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11940, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 11952] <... futex resumed>) = ? [pid 11944] <... futex resumed>) = ? [pid 11952] +++ exited with 0 +++ [ 350.755264][T11944] NILFS (loop3): error -5 truncating bmap (ino=16) [ 350.775824][T11952] NILFS (loop3): mounting fs with errors [ 350.779251][T11943] NILFS (loop4): mounting fs with errors [ 350.797013][T11942] NILFS (loop1): mounting fs with errors [pid 11951] <... write resumed>) = 1048576 [pid 11946] <... mount resumed>) = 0 [pid 11944] +++ exited with 0 +++ [pid 11939] +++ exited with 0 +++ [pid 5071] umount2("./359", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./359", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11951] munmap(0x7f43cac00000, 138412032 [pid 5071] getdents64(3, [pid 11946] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11939, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 11951] <... munmap resumed>) = 0 [pid 11946] <... openat resumed>) = 3 [pid 11942] <... fsconfig resumed>) = 0 [pid 5071] umount2("./359/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11951] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11946] chdir("./file0" [pid 11942] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11946] <... chdir resumed>) = 0 [pid 11942] <... futex resumed>) = 1 [pid 11938] <... futex resumed>) = 0 [pid 5071] newfstatat(AT_FDCWD, "./359/binderfs", [pid 11951] <... openat resumed>) = 4 [pid 11946] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11942] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11938] exit_group(0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] umount2("./356", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11953] <... futex resumed>) = ? [pid 11946] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11942] <... futex resumed>) = ? [pid 11938] <... exit_group resumed>) = ? [pid 5071] unlink("./359/binderfs" [pid 11953] +++ exited with 0 +++ [pid 11951] ioctl(4, LOOP_SET_FD, 3 [pid 11946] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11942] +++ exited with 0 +++ [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11938] +++ exited with 0 +++ [pid 5071] <... unlink resumed>) = 0 [pid 5071] umount2("./359/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11946] <... futex resumed>) = 1 [pid 11946] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] openat(AT_FDCWD, "./356", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11951] <... ioctl resumed>) = 0 [pid 11945] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 11951] close(3 [pid 5071] umount2("./359/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11951] <... close resumed>) = 0 [pid 11951] close(4 [pid 11945] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... openat resumed>) = 3 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11938, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 11951] <... close resumed>) = 0 [pid 11951] mkdir("./file0", 0777 [pid 5071] newfstatat(AT_FDCWD, "./359/file0", [pid 11951] <... mkdir resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11951] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5071] umount2("./359/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 350.808134][T11955] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 350.826445][T11951] loop0: detected capacity change from 0 to 2048 [pid 5071] openat(AT_FDCWD, "./359/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 11946] <... futex resumed>) = 0 [pid 11945] <... futex resumed>) = 1 [pid 5071] newfstatat(4, "", [pid 5070] newfstatat(3, "", [pid 5068] umount2("./352", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11945] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] getdents64(3, [pid 5068] openat(AT_FDCWD, "./352", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11946] truncate("./file2", 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] <... openat resumed>) = 3 [pid 5071] getdents64(4, [pid 5070] umount2("./356/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(3, "", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] newfstatat(AT_FDCWD, "./356/binderfs", [pid 5068] getdents64(3, [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./359/file0") = 0 [pid 5068] umount2("./352/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./359") = 0 [pid 5071] mkdir("./360", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 350.850116][T11951] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 350.866253][T11946] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 350.878750][T11946] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 350.889690][T11956] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5070] unlink("./356/binderfs" [pid 5068] newfstatat(AT_FDCWD, "./352/binderfs", [pid 5071] <... ioctl resumed>) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] umount2("./356/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] unlink("./352/binderfs") = 0 [pid 5068] umount2("./352/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11951] <... mount resumed>) = 0 [pid 11945] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11951] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11945] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11951] <... openat resumed>) = 3 [pid 11945] <... futex resumed>) = 0 [pid 11951] chdir("./file0" [pid 11945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11951] <... chdir resumed>) = 0 [pid 11946] <... truncate resumed>) = 0 [pid 11945] <... mmap resumed>) = 0x7f43d3126000 [pid 5071] close(3 [pid 11951] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11946] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11945] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11951] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11951] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11946] <... futex resumed>) = 0 [pid 11945] <... mprotect resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 11951] <... futex resumed>) = 1 [pid 11950] <... futex resumed>) = 0 [pid 11946] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11945] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11951] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11950] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11945] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11950] <... futex resumed>) = 0 [pid 11945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11957 [ 350.901703][T11946] Remounting filesystem read-only [ 350.906869][T11946] NILFS (loop2): error -5 truncating bmap (ino=16) [pid 11951] truncate("./file2", 0 [pid 11950] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11958 attached ./strace-static-x86_64: Process 11957 attached [pid 5070] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 11958] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 5068] umount2("./352/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11958] <... rseq resumed>) = 0 [pid 11957] set_robust_list(0x555589d386a0, 24 [pid 5070] umount2("./356/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11958] set_robust_list(0x7f43d31469a0, 24 [pid 11957] <... set_robust_list resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11958] <... set_robust_list resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./352/file0", [pid 11958] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11945] <... clone3 resumed> => {parent_tid=[11958]}, 88) = 11958 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11958] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11957] chdir("./360" [pid 5068] umount2("./352/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] newfstatat(AT_FDCWD, "./356/file0", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11957] <... chdir resumed>) = 0 [pid 5070] umount2("./356/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] openat(AT_FDCWD, "./352/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11945] rt_sigprocmask(SIG_SETMASK, [], [pid 11957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... openat resumed>) = 4 [pid 11957] <... prctl resumed>) = 0 [pid 5068] newfstatat(4, "", [pid 11957] setpgid(0, 0 [pid 11945] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] openat(AT_FDCWD, "./356/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11958] <... futex resumed>) = 0 [pid 11945] <... futex resumed>) = 1 [pid 11958] fspick(AT_FDCWD, ".", 0 [pid 11945] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11958] <... fspick resumed>) = 4 [pid 11958] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11945] <... futex resumed>) = 0 [pid 11958] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11945] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11946] <... futex resumed>) = 0 [pid 11945] <... futex resumed>) = 1 [pid 11946] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11945] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11957] <... setpgid resumed>) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5068] getdents64(4, [pid 5070] newfstatat(4, "", [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] getdents64(4, [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11957] <... openat resumed>) = 3 [pid 5070] getdents64(4, [pid 5068] close(4 [pid 11946] <... fsconfig resumed>) = 0 [pid 11957] write(3, "1000", 4 [pid 11951] <... truncate resumed>) = 0 [pid 11950] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] <... close resumed>) = 0 [pid 11951] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11950] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11951] <... futex resumed>) = 0 [pid 11950] <... futex resumed>) = 0 [pid 11946] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11957] <... write resumed>) = 4 [pid 11951] fspick(AT_FDCWD, ".", 0 [pid 11950] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] getdents64(4, [pid 11957] close(3 [pid 11946] <... futex resumed>) = 1 [pid 11945] <... futex resumed>) = 0 [pid 5068] rmdir("./352/file0" [pid 11957] <... close resumed>) = 0 [pid 11951] <... fspick resumed>) = 4 [pid 11945] exit_group(0 [pid 11957] symlink("/dev/binderfs", "./binderfs" [pid 11945] <... exit_group resumed>) = ? [pid 11958] <... futex resumed>) = ? [pid 11957] <... symlink resumed>) = 0 [pid 11951] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... rmdir resumed>) = 0 [pid 11958] +++ exited with 0 +++ [pid 11957] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11951] <... futex resumed>) = 1 [pid 11950] <... futex resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11957] <... futex resumed>) = 0 [pid 11951] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11950] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(3, [pid 11957] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11950] <... futex resumed>) = 0 [pid 5070] close(4 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [ 350.942302][T11951] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 350.957648][T11951] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 350.960629][T11946] NILFS (loop2): mounting fs with errors [ 350.969146][T11951] Remounting filesystem read-only [ 350.982857][T11951] NILFS (loop0): error -5 truncating bmap (ino=16) [pid 11957] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11951] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11950] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11946] +++ exited with 0 +++ [pid 11945] +++ exited with 0 +++ [pid 5070] <... close resumed>) = 0 [pid 5068] close(3 [pid 11957] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11945, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 5069] umount2("./356", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./356", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./356/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./356/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] unlink("./356/binderfs" [pid 11957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] rmdir("./356/file0" [pid 5069] <... unlink resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5069] umount2("./356/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5068] rmdir("./352" [pid 11957] <... mmap resumed>) = 0x7f43d3147000 [pid 11951] <... fsconfig resumed>) = 0 [pid 11951] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11957] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11951] <... futex resumed>) = 1 [pid 11950] <... futex resumed>) = 0 [pid 5070] getdents64(3, [pid 5068] <... rmdir resumed>) = 0 [pid 11951] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11950] exit_group(0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] mkdir("./353", 0777 [pid 11957] <... mprotect resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 11957] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11951] <... futex resumed>) = ? [pid 11950] <... exit_group resumed>) = ? [pid 5070] close(3 [pid 11957] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11957] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5070] <... close resumed>) = 0 ./strace-static-x86_64: Process 11959 attached [pid 5070] rmdir("./356" [pid 5068] <... openat resumed>) = 3 [pid 11959] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11957] <... clone3 resumed> => {parent_tid=[11959]}, 88) = 11959 [pid 5070] <... rmdir resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 11959] <... rseq resumed>) = 0 [pid 11957] rt_sigprocmask(SIG_SETMASK, [], [pid 11951] +++ exited with 0 +++ [pid 11950] +++ exited with 0 +++ [pid 11959] set_robust_list(0x7f43d31679a0, 24 [pid 11957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] mkdir("./357", 0777 [pid 11959] <... set_robust_list resumed>) = 0 [pid 11957] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11950, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 11959] rt_sigprocmask(SIG_SETMASK, [], [pid 11957] <... futex resumed>) = 0 [pid 11959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11957] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11959] memfd_create("syzkaller", 0 [pid 5070] <... mkdir resumed>) = 0 [pid 11959] <... memfd_create resumed>) = 3 [pid 11959] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... umount2 resumed>) = 0 [pid 5067] umount2("./357", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./357", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] <... openat resumed>) = 3 [pid 5069] umount2("./356/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] newfstatat(3, "", [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11959] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] newfstatat(AT_FDCWD, "./356/file0", [pid 5067] getdents64(3, [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] <... ioctl resumed>) = 0 [pid 5067] umount2("./357/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./356/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./357/binderfs", [pid 5069] openat(AT_FDCWD, "./356/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5067] unlink("./357/binderfs" [pid 5069] newfstatat(4, "", [pid 5067] <... unlink resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] umount2("./357/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 351.016491][T11951] NILFS (loop0): mounting fs with errors [pid 11959] <... write resumed>) = 1048576 [pid 5069] getdents64(4, [pid 5068] close(3) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11960 attached [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11960] set_robust_list(0x555589d386a0, 24 [pid 5069] getdents64(4, [pid 11960] <... set_robust_list resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11960 [pid 11960] chdir("./353") = 0 [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./356/file0" [pid 11960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11959] munmap(0x7f43cac00000, 138412032 [pid 5069] <... rmdir resumed>) = 0 [pid 11959] <... munmap resumed>) = 0 [pid 11960] <... prctl resumed>) = 0 [pid 5069] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11960] setpgid(0, 0 [pid 5069] close(3) = 0 [pid 11960] <... setpgid resumed>) = 0 [pid 11959] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11959] <... openat resumed>) = 4 [pid 5069] rmdir("./356" [pid 11959] ioctl(4, LOOP_SET_FD, 3 [pid 11960] <... openat resumed>) = 3 [pid 5069] <... rmdir resumed>) = 0 [pid 11960] write(3, "1000", 4) = 4 [pid 11959] <... ioctl resumed>) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 5069] mkdir("./357", 0777 [pid 11960] close(3 [pid 11959] close(3) = 0 [pid 11960] <... close resumed>) = 0 [pid 11959] close(4 [pid 5069] <... mkdir resumed>) = 0 [pid 11960] symlink("/dev/binderfs", "./binderfs" [pid 11959] <... close resumed>) = 0 [pid 11959] mkdir("./file0", 0777 [pid 5070] close(3 [pid 11959] <... mkdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 11960] <... symlink resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11960] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11959] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] <... umount2 resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11961 ./strace-static-x86_64: Process 11961 attached [pid 11961] set_robust_list(0x555589d386a0, 24) = 0 [pid 11961] chdir("./357") = 0 [pid 11961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11961] setpgid(0, 0) = 0 [pid 11961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11960] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5067] umount2("./357/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11961] <... openat resumed>) = 3 [pid 11960] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5069] ioctl(3, LOOP_CLR_FD [pid 11960] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11960] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5067] newfstatat(AT_FDCWD, "./357/file0", [pid 11960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11960] <... mmap resumed>) = 0x7f43d3147000 [pid 5067] umount2("./357/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11960] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11961] write(3, "1000", 4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11960] <... mprotect resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./357/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11961] <... write resumed>) = 4 [pid 11961] close(3 [pid 11960] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11961] <... close resumed>) = 0 [pid 11960] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] <... openat resumed>) = 4 [pid 11960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5067] newfstatat(4, "", ./strace-static-x86_64: Process 11962 attached [pid 11961] symlink("/dev/binderfs", "./binderfs" [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11962] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11961] <... symlink resumed>) = 0 [pid 11960] <... clone3 resumed> => {parent_tid=[11962]}, 88) = 11962 [pid 5067] getdents64(4, [pid 11962] <... rseq resumed>) = 0 [pid 11960] rt_sigprocmask(SIG_SETMASK, [], [pid 11962] set_robust_list(0x7f43d31679a0, 24 [pid 11960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11962] <... set_robust_list resumed>) = 0 [pid 11960] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] getdents64(4, [pid 11962] rt_sigprocmask(SIG_SETMASK, [], [pid 11961] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11960] <... futex resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11961] <... futex resumed>) = 0 [pid 11960] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] close(4 [pid 11962] memfd_create("syzkaller", 0 [ 351.106349][T11959] loop4: detected capacity change from 0 to 2048 [ 351.142240][T11959] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11961] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5067] <... close resumed>) = 0 [pid 11961] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11961] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11961] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11961] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11961] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11964 attached => {parent_tid=[11964]}, 88) = 11964 [pid 11964] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11961] rt_sigprocmask(SIG_SETMASK, [], [pid 11964] <... rseq resumed>) = 0 [pid 11961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11964] set_robust_list(0x7f43d31679a0, 24 [pid 11961] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11964] <... set_robust_list resumed>) = 0 [pid 11961] <... futex resumed>) = 0 [pid 11964] rt_sigprocmask(SIG_SETMASK, [], [pid 11962] <... memfd_create resumed>) = 3 [pid 11961] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] rmdir("./357/file0" [pid 11964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11962] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11964] memfd_create("syzkaller", 0) = 3 [pid 11962] <... mmap resumed>) = 0x7f43cac00000 [pid 5067] <... rmdir resumed>) = 0 [pid 11964] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11959] <... mount resumed>) = 0 [pid 11964] <... mmap resumed>) = 0x7f43cac00000 [pid 11962] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11959] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] <... ioctl resumed>) = 0 [pid 5067] getdents64(3, [pid 11959] <... openat resumed>) = 3 [pid 11959] chdir("./file0" [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11959] <... chdir resumed>) = 0 [pid 5067] close(3 [pid 11959] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] <... close resumed>) = 0 [pid 11959] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5067] rmdir("./357" [pid 11964] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11959] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... rmdir resumed>) = 0 [pid 5067] mkdir("./358", 0777) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11959] <... futex resumed>) = 1 [pid 11957] <... futex resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 11959] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11957] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11959] <... futex resumed>) = 0 [pid 11957] <... futex resumed>) = 1 [pid 11959] truncate("./file2", 0 [ 351.169488][T11963] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11957] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] close(3) = 0 [pid 11964] <... write resumed>) = 1048576 [pid 11962] <... write resumed>) = 1048576 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11962] munmap(0x7f43cac00000, 138412032 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11965 [pid 11962] <... munmap resumed>) = 0 [pid 11962] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 ./strace-static-x86_64: Process 11965 attached [pid 11962] ioctl(4, LOOP_SET_FD, 3 [pid 11965] set_robust_list(0x555589d386a0, 24) = 0 [pid 11965] chdir("./357") = 0 [pid 11965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11957] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 351.215100][T11959] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 351.239843][T11959] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11957] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11964] munmap(0x7f43cac00000, 138412032 [pid 11957] <... mmap resumed>) = 0x7f43d3126000 [pid 11964] <... munmap resumed>) = 0 [pid 11957] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11957] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11965] <... prctl resumed>) = 0 [pid 11957] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11957] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11965] setpgid(0, 0 [pid 11962] <... ioctl resumed>) = 0 [pid 11964] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11957] <... clone3 resumed> => {parent_tid=[11966]}, 88) = 11966 [pid 11964] <... openat resumed>) = 4 [pid 11957] rt_sigprocmask(SIG_SETMASK, [], [pid 11964] ioctl(4, LOOP_SET_FD, 3 [pid 11965] <... setpgid resumed>) = 0 [pid 11962] close(3./strace-static-x86_64: Process 11966 attached [pid 11965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11962] <... close resumed>) = 0 [pid 11959] <... truncate resumed>) = 0 [pid 11957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... ioctl resumed>) = 0 [pid 11966] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11965] <... openat resumed>) = 3 [pid 11962] close(4 [pid 11959] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11957] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] close(3 [pid 11966] <... rseq resumed>) = 0 [pid 11965] write(3, "1000", 4 [pid 11962] <... close resumed>) = 0 [pid 11959] <... futex resumed>) = 0 [pid 11957] <... futex resumed>) = 0 [pid 11966] set_robust_list(0x7f43d31469a0, 24 [pid 11965] <... write resumed>) = 4 [pid 11962] mkdir("./file0", 0777 [pid 11959] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11957] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... close resumed>) = 0 [pid 11966] <... set_robust_list resumed>) = 0 [pid 11965] close(3 [pid 11962] <... mkdir resumed>) = 0 [pid 11966] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11965] <... close resumed>) = 0 [pid 11962] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11966] fspick(AT_FDCWD, ".", 0 [ 351.262305][T11959] Remounting filesystem read-only [ 351.268613][T11962] loop1: detected capacity change from 0 to 2048 [ 351.276234][T11959] NILFS (loop4): error -5 truncating bmap (ino=16) [ 351.284584][T11964] loop3: detected capacity change from 0 to 2048 [pid 11965] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 11967 attached [pid 11966] <... fspick resumed>) = 4 [pid 11965] <... symlink resumed>) = 0 [pid 11967] set_robust_list(0x555589d386a0, 24) = 0 [pid 11967] chdir("./358") = 0 [pid 11967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11964] <... ioctl resumed>) = 0 [pid 11964] close(3 [pid 11967] <... prctl resumed>) = 0 [pid 11964] <... close resumed>) = 0 [pid 11964] close(4 [pid 11967] setpgid(0, 0) = 0 [pid 11966] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11965] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11964] <... close resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11967 [pid 11967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11966] <... futex resumed>) = 1 [pid 11965] <... futex resumed>) = 0 [pid 11964] mkdir("./file0", 0777 [pid 11957] <... futex resumed>) = 0 [pid 11967] <... openat resumed>) = 3 [pid 11966] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11965] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11964] <... mkdir resumed>) = 0 [pid 11957] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11967] write(3, "1000", 4 [pid 11965] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11959] <... futex resumed>) = 0 [pid 11957] <... futex resumed>) = 1 [pid 11967] <... write resumed>) = 4 [pid 11965] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11964] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11959] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11957] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11967] close(3 [pid 11965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11967] <... close resumed>) = 0 [pid 11967] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11959] <... fsconfig resumed>) = 0 [pid 11965] <... mmap resumed>) = 0x7f43d3147000 [pid 11959] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11965] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11959] <... futex resumed>) = 1 [pid 11957] <... futex resumed>) = 0 [pid 11959] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11965] <... mprotect resumed>) = 0 [pid 11957] exit_group(0 [pid 11967] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11966] <... futex resumed>) = ? [pid 11965] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11959] <... futex resumed>) = ? [pid 11957] <... exit_group resumed>) = ? [ 351.309399][T11962] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 351.334190][T11959] NILFS (loop4): mounting fs with errors [ 351.337138][T11964] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11967] <... futex resumed>) = 0 [pid 11959] +++ exited with 0 +++ [pid 11966] +++ exited with 0 +++ [pid 11967] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11967] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11967] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11957] +++ exited with 0 +++ [pid 11965] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11967] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11957, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 11967] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 11969 attached [pid 11967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5071] <... restart_syscall resumed>) = 0 [pid 11967] <... clone3 resumed> => {parent_tid=[11970]}, 88) = 11970 [pid 11967] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5071] umount2("./360", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11967] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11967] <... futex resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./360", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11967] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5071] <... openat resumed>) = 3 ./strace-static-x86_64: Process 11970 attached [pid 5071] newfstatat(3, "", [pid 11970] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11970] <... rseq resumed>) = 0 [pid 5071] getdents64(3, [pid 11970] set_robust_list(0x7f43d31679a0, 24 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11970] <... set_robust_list resumed>) = 0 [pid 5071] umount2("./360/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11970] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] newfstatat(AT_FDCWD, "./360/binderfs", [pid 11970] memfd_create("syzkaller", 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11970] <... memfd_create resumed>) = 3 [pid 11969] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11965] <... clone3 resumed> => {parent_tid=[11969]}, 88) = 11969 [pid 5071] unlink("./360/binderfs" [pid 11970] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11969] <... rseq resumed>) = 0 [pid 11965] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] <... unlink resumed>) = 0 [pid 11970] <... mmap resumed>) = 0x7f43cac00000 [pid 11969] set_robust_list(0x7f43d31679a0, 24 [pid 11965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11962] <... mount resumed>) = 0 [pid 11969] <... set_robust_list resumed>) = 0 [pid 11965] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11962] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] umount2("./360/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11969] rt_sigprocmask(SIG_SETMASK, [], [pid 11965] <... futex resumed>) = 0 [pid 11962] <... openat resumed>) = 3 [pid 11969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11965] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11962] chdir("./file0" [pid 11969] memfd_create("syzkaller", 0 [pid 11962] <... chdir resumed>) = 0 [pid 11969] <... memfd_create resumed>) = 3 [pid 11962] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11969] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11962] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11969] <... mmap resumed>) = 0x7f43cac00000 [pid 11962] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11970] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11962] <... futex resumed>) = 1 [pid 11962] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11960] <... futex resumed>) = 0 [pid 11962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11960] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11962] truncate("./file2", 0 [pid 11960] <... futex resumed>) = 0 [pid 11960] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 351.360029][T11968] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 351.397420][T11962] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11969] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./360/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11960] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11960] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11960] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11960] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11964] <... mount resumed>) = 0 [pid 11960] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] newfstatat(AT_FDCWD, "./360/file0", [pid 11964] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 11972 attached [pid 11970] <... write resumed>) = 1048576 [pid 11969] <... write resumed>) = 1048576 [pid 11964] <... openat resumed>) = 3 [pid 5071] umount2("./360/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11970] munmap(0x7f43cac00000, 138412032 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11970] <... munmap resumed>) = 0 [pid 11969] munmap(0x7f43cac00000, 138412032 [pid 5071] openat(AT_FDCWD, "./360/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [ 351.422032][T11962] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 351.431393][T11971] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 351.445571][T11962] Remounting filesystem read-only [pid 11969] <... munmap resumed>) = 0 [pid 11964] chdir("./file0" [pid 11960] <... clone3 resumed> => {parent_tid=[11972]}, 88) = 11972 [pid 5071] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] close(4 [pid 11960] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] <... close resumed>) = 0 [pid 11964] <... chdir resumed>) = 0 [pid 11972] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] rmdir("./360/file0" [pid 11972] <... rseq resumed>) = 0 [pid 11970] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11964] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11962] <... truncate resumed>) = 0 [pid 11960] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... rmdir resumed>) = 0 [pid 11972] set_robust_list(0x7f43d31469a0, 24 [pid 11969] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11960] <... futex resumed>) = 0 [pid 5071] getdents64(3, [pid 11972] <... set_robust_list resumed>) = 0 [pid 11969] <... openat resumed>) = 4 [pid 11964] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11960] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11972] rt_sigprocmask(SIG_SETMASK, [], [pid 11964] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11962] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] close(3 [pid 11972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11964] <... futex resumed>) = 1 [pid 11962] <... futex resumed>) = 0 [pid 11961] <... futex resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 11972] fspick(AT_FDCWD, ".", 0 [pid 11970] <... openat resumed>) = 4 [pid 11962] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11961] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] rmdir("./360" [pid 11972] <... fspick resumed>) = 4 [pid 11970] ioctl(4, LOOP_SET_FD, 3 [pid 11964] truncate("./file2", 0 [pid 11961] <... futex resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 11972] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11961] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] mkdir("./361", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 11969] ioctl(4, LOOP_SET_FD, 3 [pid 11972] <... futex resumed>) = 1 [pid 11960] <... futex resumed>) = 0 [pid 11969] <... ioctl resumed>) = 0 [pid 11972] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11970] <... ioctl resumed>) = 0 [pid 11960] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11969] close(3) = 0 [pid 11970] close(3) = 0 [pid 11969] close(4 [pid 11970] close(4 [pid 11969] <... close resumed>) = 0 [pid 11970] <... close resumed>) = 0 [pid 11969] mkdir("./file0", 0777 [ 351.466436][T11962] NILFS (loop1): error -5 truncating bmap (ino=16) [ 351.480545][T11970] loop0: detected capacity change from 0 to 2048 [ 351.482884][T11969] loop2: detected capacity change from 0 to 2048 [ 351.495583][T11964] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 351.506309][T11964] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 11970] mkdir("./file0", 0777) = 0 [pid 11969] <... mkdir resumed>) = 0 [pid 11962] <... futex resumed>) = 0 [pid 11960] <... futex resumed>) = 1 [pid 11970] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11969] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11962] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11960] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11961] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11962] <... fsconfig resumed>) = 0 [pid 11961] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11964] <... truncate resumed>) = 0 [pid 11962] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11964] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11962] <... futex resumed>) = 1 [pid 11960] <... futex resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 11962] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11960] exit_group(0 [pid 11972] <... futex resumed>) = ? [pid 11964] <... futex resumed>) = 0 [pid 11962] <... futex resumed>) = ? [pid 11960] <... exit_group resumed>) = ? [pid 11962] +++ exited with 0 +++ [pid 11961] <... mmap resumed>) = 0x7f43d3126000 [pid 11961] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11961] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11961] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[11973]}, 88) = 11973 [pid 11961] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11961] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11961] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] close(3) = 0 [pid 11964] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11972] +++ exited with 0 +++ [pid 11960] +++ exited with 0 +++ [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11960, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11974 [pid 5068] umount2("./353", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./353", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] newfstatat(3, "", ./strace-static-x86_64: Process 11973 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11973] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 5068] getdents64(3, [pid 11973] <... rseq resumed>) = 0 [pid 11973] set_robust_list(0x7f43d31469a0, 24./strace-static-x86_64: Process 11974 attached ) = 0 [pid 11974] set_robust_list(0x555589d386a0, 24 [pid 11973] rt_sigprocmask(SIG_SETMASK, [], [pid 11974] <... set_robust_list resumed>) = 0 [pid 11973] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11974] chdir("./361" [pid 11973] fspick(AT_FDCWD, ".", 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11974] <... chdir resumed>) = 0 [pid 11973] <... fspick resumed>) = 4 [pid 5068] umount2("./353/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11973] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11974] <... prctl resumed>) = 0 [pid 11973] <... futex resumed>) = 1 [pid 11961] <... futex resumed>) = 0 [pid 11974] setpgid(0, 0 [pid 11973] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11961] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(AT_FDCWD, "./353/binderfs", [pid 11974] <... setpgid resumed>) = 0 [pid 11964] <... futex resumed>) = 0 [pid 11961] <... futex resumed>) = 1 [ 351.518095][T11964] Remounting filesystem read-only [ 351.526348][T11962] NILFS (loop1): mounting fs with errors [ 351.533119][T11970] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 351.534696][T11964] NILFS (loop3): error -5 truncating bmap (ino=16) [ 351.543392][T11969] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11964] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11961] futex(0x7f43d32396cc, 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 11974] <... openat resumed>) = 3 [pid 11974] write(3, "1000", 4) = 4 [pid 11974] close(3) = 0 [pid 11974] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11974] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11974] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 11974] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11974] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11974] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5068] unlink("./353/binderfs"./strace-static-x86_64: Process 11975 attached [pid 11975] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 11975] set_robust_list(0x7f43d31679a0, 24 [pid 11974] <... clone3 resumed> => {parent_tid=[11975]}, 88) = 11975 [pid 11975] <... set_robust_list resumed>) = 0 [pid 11974] rt_sigprocmask(SIG_SETMASK, [], [pid 11975] rt_sigprocmask(SIG_SETMASK, [], [pid 11974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] umount2("./353/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11974] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11975] memfd_create("syzkaller", 0 [pid 11974] <... futex resumed>) = 0 [pid 11975] <... memfd_create resumed>) = 3 [pid 11974] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11975] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11964] <... fsconfig resumed>) = 0 [ 351.584290][T11964] NILFS (loop3): mounting fs with errors [ 351.611536][T11976] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11975] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11970] <... mount resumed>) = 0 [pid 11964] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11961] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... umount2 resumed>) = 0 [pid 11964] <... futex resumed>) = 0 [pid 11970] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11961] exit_group(0 [pid 11973] <... futex resumed>) = ? [pid 11970] <... openat resumed>) = 3 [pid 11961] <... exit_group resumed>) = ? [pid 11973] +++ exited with 0 +++ [pid 11970] chdir("./file0") = 0 [pid 11970] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11964] +++ exited with 0 +++ [pid 11961] +++ exited with 0 +++ [pid 11970] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11967] <... futex resumed>) = 0 [pid 11970] truncate("./file2", 0 [pid 11967] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11967] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11961, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5068] umount2("./353/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./353/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./353/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./353/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5068] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [ 351.634182][T11977] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 351.657914][T11970] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 5068] rmdir("./353/file0") = 0 [pid 11969] <... mount resumed>) = 0 [pid 5068] getdents64(3, [pid 11969] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] umount2("./357", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11969] <... openat resumed>) = 3 [pid 5068] close(3 [pid 11975] <... write resumed>) = 1048576 [pid 11969] chdir("./file0" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11969] <... chdir resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5068] rmdir("./353") = 0 [pid 11969] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11975] munmap(0x7f43cac00000, 138412032 [pid 11969] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] mkdir("./354", 0777 [pid 11975] <... munmap resumed>) = 0 [pid 11969] <... futex resumed>) = 1 [pid 11965] <... futex resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 11965] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11965] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11969] truncate("./file2", 0 [pid 5070] openat(AT_FDCWD, "./357", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5070] newfstatat(3, "", [pid 5068] <... openat resumed>) = 3 [pid 11975] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11967] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11975] <... openat resumed>) = 4 [pid 11967] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 11975] ioctl(4, LOOP_SET_FD, 3 [pid 11967] <... futex resumed>) = 0 [pid 5070] getdents64(3, [pid 11967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11970] <... truncate resumed>) = 0 [pid 11967] <... mmap resumed>) = 0x7f43d3126000 [pid 5070] umount2("./357/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11967] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11970] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11967] <... mprotect resumed>) = 0 [pid 5070] newfstatat(AT_FDCWD, "./357/binderfs", [pid 11970] <... futex resumed>) = 0 [pid 11970] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11967] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11967] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] unlink("./357/binderfs" [pid 11967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5070] <... unlink resumed>) = 0 [ 351.679785][T11970] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 351.691257][T11970] Remounting filesystem read-only [ 351.693501][T11969] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 351.696645][T11970] NILFS (loop0): error -5 truncating bmap (ino=16) [ 351.712215][T11975] loop4: detected capacity change from 0 to 2048 [ 351.720528][T11969] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 5070] umount2("./357/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11967] <... clone3 resumed> => {parent_tid=[11978]}, 88) = 11978 [pid 11967] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11967] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11967] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11978 attached [pid 11965] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11978] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11965] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11978] <... rseq resumed>) = 0 [pid 11965] <... futex resumed>) = 0 [pid 11978] set_robust_list(0x7f43d31469a0, 24 [pid 11965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11978] <... set_robust_list resumed>) = 0 [pid 11965] <... mmap resumed>) = 0x7f43d3126000 [pid 11978] rt_sigprocmask(SIG_SETMASK, [], [pid 11965] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11965] <... mprotect resumed>) = 0 [pid 11978] fspick(AT_FDCWD, ".", 0 [pid 11965] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11978] <... fspick resumed>) = 4 [pid 11965] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11978] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11978] <... futex resumed>) = 1 [pid 11967] <... futex resumed>) = 0 [pid 11967] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11965] <... clone3 resumed> => {parent_tid=[11979]}, 88) = 11979 [pid 11967] <... futex resumed>) = 1 [pid 11965] rt_sigprocmask(SIG_SETMASK, [], [pid 11967] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11965] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11979 attached [pid 11978] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11975] <... ioctl resumed>) = 0 [pid 11970] <... futex resumed>) = 0 [pid 11969] <... truncate resumed>) = 0 [pid 11965] <... futex resumed>) = 0 [pid 11979] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11970] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11969] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11965] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11979] <... rseq resumed>) = 0 [pid 11979] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 11979] rt_sigprocmask(SIG_SETMASK, [], [pid 11975] close(3 [pid 11970] <... fsconfig resumed>) = 0 [pid 11969] <... futex resumed>) = 0 [pid 11975] <... close resumed>) = 0 [pid 11970] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11969] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11975] close(4 [pid 11970] <... futex resumed>) = 1 [pid 11967] <... futex resumed>) = 0 [pid 11975] <... close resumed>) = 0 [pid 11970] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11975] mkdir("./file0", 0777) = 0 [pid 11967] exit_group(0 [pid 5070] <... umount2 resumed>) = 0 [pid 11970] <... futex resumed>) = ? [pid 11967] <... exit_group resumed>) = ? [pid 11970] +++ exited with 0 +++ [pid 11979] fspick(AT_FDCWD, ".", 0 [pid 11978] <... futex resumed>) = ? [pid 11975] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11979] <... fspick resumed>) = 4 [pid 11979] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11965] <... futex resumed>) = 0 [pid 11965] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11969] <... futex resumed>) = 0 [pid 11965] <... futex resumed>) = 1 [pid 11969] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5068] <... ioctl resumed>) = 0 [ 351.732120][T11969] Remounting filesystem read-only [ 351.738547][T11969] NILFS (loop2): error -5 truncating bmap (ino=16) [ 351.749454][T11970] NILFS (loop0): mounting fs with errors [ 351.770722][T11969] NILFS (loop2): mounting fs with errors [pid 11979] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11978] +++ exited with 0 +++ [pid 11967] +++ exited with 0 +++ [pid 5070] umount2("./357/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11969] <... fsconfig resumed>) = 0 [pid 11965] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] close(3 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11967, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 11969] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] newfstatat(AT_FDCWD, "./357/file0", [pid 5068] <... close resumed>) = 0 [pid 11969] <... futex resumed>) = 0 [pid 11965] exit_group(0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] umount2("./358", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./357/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] openat(AT_FDCWD, "./358", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11969] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 3 [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 11980 attached [pid 5067] umount2("./358/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11980] set_robust_list(0x555589d386a0, 24 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11980] <... set_robust_list resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./358/binderfs", [pid 11980] chdir("./354" [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11980 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11980] <... chdir resumed>) = 0 [pid 5067] unlink("./358/binderfs" [pid 11980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] <... unlink resumed>) = 0 [pid 11980] <... prctl resumed>) = 0 [pid 5067] umount2("./358/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11980] setpgid(0, 0 [pid 5070] openat(AT_FDCWD, "./357/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11980] <... setpgid resumed>) = 0 [pid 11979] <... futex resumed>) = ? [pid 11969] <... futex resumed>) = ? [pid 11965] <... exit_group resumed>) = ? [pid 11980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11979] +++ exited with 0 +++ [pid 11969] +++ exited with 0 +++ [pid 5070] <... openat resumed>) = 4 [pid 11980] <... openat resumed>) = 3 [pid 11965] +++ exited with 0 +++ [pid 5070] newfstatat(4, "", [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11965, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] umount2("./357", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11980] write(3, "1000", 4 [pid 5070] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11980] <... write resumed>) = 4 [pid 5069] openat(AT_FDCWD, "./357", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11980] close(3 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] <... openat resumed>) = 3 [pid 11980] <... close resumed>) = 0 [pid 5070] getdents64(4, [pid 5069] newfstatat(3, "", [pid 11980] symlink("/dev/binderfs", "./binderfs" [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11980] <... symlink resumed>) = 0 [pid 5069] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./357/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 351.776825][T11975] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 5070] close(4 [pid 11980] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] rmdir("./357/file0" [pid 11980] <... futex resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./357/binderfs", [pid 11980] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11980] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5070] getdents64(3, [pid 5069] unlink("./357/binderfs" [pid 11980] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 11980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] close(3 [pid 5069] umount2("./357/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11975] <... mount resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 11980] <... mmap resumed>) = 0x7f43d3147000 [pid 11975] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] rmdir("./357" [pid 11980] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11975] <... openat resumed>) = 3 [pid 5067] umount2("./358/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11980] <... mprotect resumed>) = 0 [pid 11975] chdir("./file0" [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 11980] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11975] <... chdir resumed>) = 0 [pid 5070] mkdir("./358", 0777 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11980] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11975] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] <... mkdir resumed>) = 0 [pid 5069] umount2("./357/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] newfstatat(AT_FDCWD, "./358/file0", [pid 11980] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11975] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 11982 attached [pid 11975] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11982] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11980] <... clone3 resumed> => {parent_tid=[11982]}, 88) = 11982 [pid 11975] <... futex resumed>) = 1 [pid 11974] <... futex resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5067] umount2("./358/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11982] <... rseq resumed>) = 0 [pid 11980] rt_sigprocmask(SIG_SETMASK, [], [pid 11975] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11974] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(AT_FDCWD, "./357/file0", [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11974] <... futex resumed>) = 0 [pid 11980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] openat(AT_FDCWD, "./358/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11982] set_robust_list(0x7f43d31679a0, 24 [pid 11980] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11975] truncate("./file2", 0 [pid 11974] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... openat resumed>) = 4 [pid 11982] <... set_robust_list resumed>) = 0 [pid 11980] <... futex resumed>) = 0 [pid 5069] umount2("./357/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11982] rt_sigprocmask(SIG_SETMASK, [], [pid 11980] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] openat(AT_FDCWD, "./357/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11982] memfd_create("syzkaller", 0 [pid 5069] <... openat resumed>) = 4 [pid 11982] <... memfd_create resumed>) = 3 [pid 5069] newfstatat(4, "", [pid 11982] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 351.828219][T11981] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 351.866870][T11975] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11982] <... mmap resumed>) = 0x7f43cac00000 [pid 5069] getdents64(4, [pid 5067] newfstatat(4, "", [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./357/file0" [pid 11982] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(3, [pid 5067] getdents64(4, [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 5069] close(3 [pid 5067] rmdir("./358/file0" [pid 5069] <... close resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11975] <... truncate resumed>) = 0 [pid 5069] rmdir("./357" [pid 5067] close(3 [pid 11974] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] <... rmdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 11975] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11974] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] close(3 [pid 5067] rmdir("./358" [pid 11975] <... futex resumed>) = 0 [pid 11974] <... futex resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] mkdir("./358", 0777 [pid 11975] fspick(AT_FDCWD, ".", 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... mkdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 11983 attached [pid 11982] <... write resumed>) = 1048576 [pid 11975] <... fspick resumed>) = 4 [pid 11974] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] mkdir("./359", 0777 [pid 11983] set_robust_list(0x555589d386a0, 24 [pid 11975] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 11983 [pid 11974] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11983] <... set_robust_list resumed>) = 0 [pid 11974] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... mkdir resumed>) = 0 [pid 11983] chdir("./358" [pid 11975] <... futex resumed>) = 1 [pid 11974] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 11983] <... chdir resumed>) = 0 [pid 11975] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11974] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=46000000} [ 351.877889][T11975] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 351.888813][T11975] Remounting filesystem read-only [ 351.894353][T11975] NILFS (loop4): error -5 truncating bmap (ino=16) [pid 5069] ioctl(3, LOOP_CLR_FD [pid 11982] munmap(0x7f43cac00000, 138412032 [pid 11983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11975] <... fsconfig resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 11983] <... prctl resumed>) = 0 [pid 11982] <... munmap resumed>) = 0 [pid 11975] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11983] setpgid(0, 0 [pid 11975] <... futex resumed>) = 1 [pid 11974] <... futex resumed>) = 0 [pid 11975] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11974] exit_group(0 [pid 11983] <... setpgid resumed>) = 0 [pid 11982] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11975] <... futex resumed>) = ? [pid 11974] <... exit_group resumed>) = ? [pid 11983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11982] <... openat resumed>) = 4 [pid 11975] +++ exited with 0 +++ [pid 11982] ioctl(4, LOOP_SET_FD, 3 [pid 11983] <... openat resumed>) = 3 [pid 11974] +++ exited with 0 +++ [pid 11983] write(3, "1000", 4) = 4 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11974, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 11983] close(3 [pid 5071] <... restart_syscall resumed>) = 0 [pid 11983] <... close resumed>) = 0 [pid 11983] symlink("/dev/binderfs", "./binderfs" [pid 5071] umount2("./361", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11983] <... symlink resumed>) = 0 [pid 11982] <... ioctl resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11982] close(3) = 0 [pid 11983] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11982] close(4 [pid 5071] openat(AT_FDCWD, "./361", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11983] <... futex resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 11983] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 5071] newfstatat(3, "", [pid 11983] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 5071] getdents64(3, [pid 11983] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11982] <... close resumed>) = 0 [pid 11983] <... mprotect resumed>) = 0 [pid 11982] mkdir("./file0", 0777 [pid 5071] umount2("./361/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11983] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... ioctl resumed>) = 0 [pid 11983] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11982] <... mkdir resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 11982] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5069] close(3 [pid 11983] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5071] newfstatat(AT_FDCWD, "./361/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./361/binderfs") = 0 [ 351.932609][T11975] NILFS (loop4): mounting fs with errors [ 351.953209][T11982] loop1: detected capacity change from 0 to 2048 [pid 11983] <... clone3 resumed> => {parent_tid=[11984]}, 88) = 11984 [pid 5071] umount2("./361/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11983] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11983] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11983] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] close(3) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... close resumed>) = 0 ./strace-static-x86_64: Process 11984 attached [pid 11984] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11984] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 11986 attached [pid 11984] set_robust_list(0x7f43d31679a0, 24 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 11985 [pid 11984] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 11985 attached [pid 11986] set_robust_list(0x555589d386a0, 24 [pid 11984] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 11986 [pid 11986] <... set_robust_list resumed>) = 0 [pid 11985] set_robust_list(0x555589d386a0, 24 [pid 11984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11986] chdir("./358" [pid 11985] <... set_robust_list resumed>) = 0 [pid 11984] memfd_create("syzkaller", 0 [pid 11985] chdir("./359" [pid 11986] <... chdir resumed>) = 0 [pid 11984] <... memfd_create resumed>) = 3 [pid 11986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11985] <... chdir resumed>) = 0 [pid 11984] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11986] <... prctl resumed>) = 0 [pid 11985] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11984] <... mmap resumed>) = 0x7f43cac00000 [pid 11986] setpgid(0, 0) = 0 [pid 11985] <... prctl resumed>) = 0 [pid 11985] setpgid(0, 0) = 0 [pid 11985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11985] write(3, "1000", 4) = 4 [ 352.008025][T11982] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11985] close(3) = 0 [pid 11986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11984] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11982] <... mount resumed>) = 0 [pid 11986] <... openat resumed>) = 3 [pid 11982] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11982] chdir("./file0") = 0 [pid 11982] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11986] write(3, "1000", 4 [pid 11982] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5071] <... umount2 resumed>) = 0 [pid 11986] <... write resumed>) = 4 [pid 11982] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11985] symlink("/dev/binderfs", "./binderfs") = 0 [pid 11982] <... futex resumed>) = 1 [pid 11980] <... futex resumed>) = 0 [pid 11986] close(3 [pid 11985] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11982] truncate("./file2", 0 [pid 11980] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] umount2("./361/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11986] <... close resumed>) = 0 [pid 11985] <... futex resumed>) = 0 [pid 11980] <... futex resumed>) = 0 [pid 11986] symlink("/dev/binderfs", "./binderfs" [pid 11985] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11985] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11980] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11986] <... symlink resumed>) = 0 [pid 11985] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5071] newfstatat(AT_FDCWD, "./361/file0", [pid 11985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11985] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11985] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11985] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11988 attached [pid 11988] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11985] <... clone3 resumed> => {parent_tid=[11988]}, 88) = 11988 [pid 11988] <... rseq resumed>) = 0 [pid 11985] rt_sigprocmask(SIG_SETMASK, [], [pid 11988] set_robust_list(0x7f43d31679a0, 24 [pid 11985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11988] <... set_robust_list resumed>) = 0 [pid 11985] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11988] rt_sigprocmask(SIG_SETMASK, [], [pid 11985] <... futex resumed>) = 0 [pid 11988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11985] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11988] memfd_create("syzkaller", 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11986] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5071] umount2("./361/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11988] <... memfd_create resumed>) = 3 [pid 11988] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 11986] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./361/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11986] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5071] <... openat resumed>) = 4 [pid 11986] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [ 352.055463][T11987] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 352.080564][T11982] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 5071] newfstatat(4, "", [pid 11988] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11984] <... write resumed>) = 1048576 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11984] munmap(0x7f43cac00000, 138412032 [pid 5071] getdents64(4, [pid 11984] <... munmap resumed>) = 0 [pid 11984] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11986] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11984] <... openat resumed>) = 4 [pid 5071] close(4 [pid 11988] <... write resumed>) = 1048576 [pid 11986] <... mprotect resumed>) = 0 [pid 11984] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./361/file0" [pid 11988] munmap(0x7f43cac00000, 138412032 [pid 11986] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11984] <... ioctl resumed>) = 0 [pid 11982] <... truncate resumed>) = 0 [pid 11980] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5071] <... rmdir resumed>) = 0 [pid 11988] <... munmap resumed>) = 0 [pid 11986] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11984] close(3 [pid 11980] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11988] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 11984] <... close resumed>) = 0 [pid 11982] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11980] <... futex resumed>) = 0 [pid 5071] getdents64(3, [pid 11984] close(4 [pid 11982] <... futex resumed>) = 0 [pid 11980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 11989 attached [pid 11988] <... openat resumed>) = 4 [pid 11980] <... mmap resumed>) = 0x7f43d3126000 [ 352.100940][T11982] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 352.116099][T11982] Remounting filesystem read-only [ 352.122475][T11982] NILFS (loop1): error -5 truncating bmap (ino=16) [ 352.130081][T11984] loop3: detected capacity change from 0 to 2048 [pid 11989] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11988] ioctl(4, LOOP_SET_FD, 3 [pid 11986] <... clone3 resumed> => {parent_tid=[11989]}, 88) = 11989 [pid 11984] <... close resumed>) = 0 [pid 11982] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11980] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5071] close(3 [pid 11980] <... mprotect resumed>) = 0 [pid 11980] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] <... close resumed>) = 0 [pid 11989] <... rseq resumed>) = 0 [pid 11989] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11989] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11989] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11988] <... ioctl resumed>) = 0 [pid 11984] mkdir("./file0", 0777 [pid 11986] rt_sigprocmask(SIG_SETMASK, [], [pid 11980] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] rmdir("./361" [pid 11986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11984] <... mkdir resumed>) = 0 [pid 11980] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 11990 attached [pid 5071] <... rmdir resumed>) = 0 [pid 11986] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11984] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11990] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11989] <... futex resumed>) = 0 [pid 11988] close(3 [pid 11986] <... futex resumed>) = 1 [pid 11980] <... clone3 resumed> => {parent_tid=[11990]}, 88) = 11990 [pid 5071] mkdir("./362", 0777 [pid 11990] <... rseq resumed>) = 0 [pid 11988] <... close resumed>) = 0 [pid 11986] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11980] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] <... mkdir resumed>) = 0 [pid 11990] set_robust_list(0x7f43d31469a0, 24 [pid 11989] memfd_create("syzkaller", 0 [pid 11988] close(4 [pid 11980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11990] <... set_robust_list resumed>) = 0 [pid 11989] <... memfd_create resumed>) = 3 [pid 11988] <... close resumed>) = 0 [pid 11980] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... openat resumed>) = 3 [pid 11990] rt_sigprocmask(SIG_SETMASK, [], [pid 11988] mkdir("./file0", 0777 [pid 11980] <... futex resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 11990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11989] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11988] <... mkdir resumed>) = 0 [pid 11980] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11990] fspick(AT_FDCWD, ".", 0 [pid 11989] <... mmap resumed>) = 0x7f43cac00000 [pid 11990] <... fspick resumed>) = 4 [pid 11990] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11980] <... futex resumed>) = 0 [pid 11990] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11980] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11988] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11982] <... futex resumed>) = 0 [pid 11980] <... futex resumed>) = 1 [pid 11982] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11989] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11980] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11982] <... fsconfig resumed>) = 0 [pid 11982] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 352.169984][T11988] loop0: detected capacity change from 0 to 2048 [ 352.193608][T11982] NILFS (loop1): mounting fs with errors [ 352.200697][T11988] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 11982] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11980] exit_group(0) = ? [pid 11982] <... futex resumed>) = ? [pid 11982] +++ exited with 0 +++ [pid 11990] <... futex resumed>) = ? [pid 11990] +++ exited with 0 +++ [pid 11980] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11980, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [ 352.213672][T11984] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 5068] umount2("./354", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 11988] <... mount resumed>) = 0 [pid 11988] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 11988] chdir("./file0") = 0 [pid 11988] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 11989] <... write resumed>) = 1048576 [pid 5071] <... ioctl resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./354", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11989] munmap(0x7f43cac00000, 138412032 [pid 11988] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 3 [pid 11988] <... futex resumed>) = 1 [pid 11985] <... futex resumed>) = 0 [pid 11988] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] close(3 [pid 11989] <... munmap resumed>) = 0 [pid 11985] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(3, "", [pid 11985] <... futex resumed>) = 1 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11989] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11985] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(3, [pid 11988] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11988] truncate("./file2", 0 [pid 5068] umount2("./354/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11989] <... openat resumed>) = 4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... close resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./354/binderfs", [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 11993 attached [ 352.242464][T11991] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 352.269610][T11992] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11989] ioctl(4, LOOP_SET_FD, 3 [pid 11984] <... mount resumed>) = 0 [pid 5068] unlink("./354/binderfs" [pid 11993] set_robust_list(0x555589d386a0, 24 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 11993 [pid 5068] <... unlink resumed>) = 0 [pid 11993] <... set_robust_list resumed>) = 0 [pid 11993] chdir("./362") = 0 [pid 11993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11984] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5068] umount2("./354/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11984] chdir("./file0" [pid 11993] <... prctl resumed>) = 0 [pid 11984] <... chdir resumed>) = 0 [pid 11993] setpgid(0, 0 [pid 11984] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11993] <... setpgid resumed>) = 0 [pid 11984] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11984] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11984] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11983] <... futex resumed>) = 0 [pid 11983] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11993] <... openat resumed>) = 3 [pid 11984] <... futex resumed>) = 0 [pid 11983] <... futex resumed>) = 1 [pid 11984] truncate("./file2", 0 [pid 11983] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11993] write(3, "1000", 4 [pid 11989] <... ioctl resumed>) = 0 [pid 11993] <... write resumed>) = 4 [pid 11989] close(3) = 0 [pid 11989] close(4 [pid 11993] close(3 [pid 11989] <... close resumed>) = 0 [pid 11993] <... close resumed>) = 0 [pid 11985] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11993] symlink("/dev/binderfs", "./binderfs" [pid 11989] mkdir("./file0", 0777 [pid 11985] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11993] <... symlink resumed>) = 0 [pid 11989] <... mkdir resumed>) = 0 [pid 11985] <... futex resumed>) = 0 [pid 11985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11985] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11993] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11985] <... mprotect resumed>) = 0 [ 352.291286][T11988] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 352.294956][T11989] loop2: detected capacity change from 0 to 2048 [ 352.302051][T11988] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 352.318771][T11988] Remounting filesystem read-only [ 352.324102][T11988] NILFS (loop0): error -5 truncating bmap (ino=16) [ 352.332291][T11984] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 11993] <... futex resumed>) = 0 [pid 11993] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11989] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11988] <... truncate resumed>) = 0 [pid 11985] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11993] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11985] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11993] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11988] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11985] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 11993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11988] <... futex resumed>) = 0 [pid 11993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11988] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11985] <... clone3 resumed> => {parent_tid=[11994]}, 88) = 11994 [pid 11993] <... mmap resumed>) = 0x7f43d3147000 [pid 11985] rt_sigprocmask(SIG_SETMASK, [], [pid 11993] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11993] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11985] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11985] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11993] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11993] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 11995 attached [pid 11995] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11993] <... clone3 resumed> => {parent_tid=[11995]}, 88) = 11995 ./strace-static-x86_64: Process 11994 attached [pid 11995] <... rseq resumed>) = 0 [pid 11995] set_robust_list(0x7f43d31679a0, 24 [pid 11993] rt_sigprocmask(SIG_SETMASK, [], [pid 11995] <... set_robust_list resumed>) = 0 [pid 11993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11995] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11993] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11994] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11995] memfd_create("syzkaller", 0 [pid 11993] <... futex resumed>) = 0 [pid 11994] <... rseq resumed>) = 0 [pid 11983] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... umount2 resumed>) = 0 [pid 11983] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11993] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11983] <... futex resumed>) = 0 [pid 11983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11983] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 11995] <... memfd_create resumed>) = 3 [pid 11983] <... mprotect resumed>) = 0 [ 352.346515][T11984] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 352.360513][T11989] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 352.378845][T11984] Remounting filesystem read-only [ 352.385595][T11984] NILFS (loop3): error -5 truncating bmap (ino=16) [pid 5068] umount2("./354/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11995] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11983] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11995] <... mmap resumed>) = 0x7f43cac00000 [pid 11984] <... truncate resumed>) = 0 [pid 11983] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] newfstatat(AT_FDCWD, "./354/file0", [pid 11995] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11994] set_robust_list(0x7f43d31469a0, 24 [pid 11984] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11983] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./354/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11994] <... set_robust_list resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./354/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 ./strace-static-x86_64: Process 11997 attached [pid 11984] <... futex resumed>) = 0 [pid 5068] newfstatat(4, "", [pid 11997] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 11994] rt_sigprocmask(SIG_SETMASK, [], [pid 11984] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11997] <... rseq resumed>) = 0 [pid 11994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] getdents64(4, [pid 11997] set_robust_list(0x7f43d31469a0, 24 [pid 11989] <... mount resumed>) = 0 [pid 11997] <... set_robust_list resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 11997] rt_sigprocmask(SIG_SETMASK, [], [pid 11983] <... clone3 resumed> => {parent_tid=[11997]}, 88) = 11997 [pid 5068] getdents64(4, [pid 11997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11983] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 11997] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] close(4 [pid 11983] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 11997] <... futex resumed>) = 0 [pid 11983] <... futex resumed>) = 1 [pid 5068] rmdir("./354/file0" [pid 11997] fspick(AT_FDCWD, ".", 0 [pid 11994] fspick(AT_FDCWD, ".", 0 [pid 11989] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 11985] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11983] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... rmdir resumed>) = 0 [pid 11997] <... fspick resumed>) = 4 [pid 11994] <... fspick resumed>) = 4 [pid 11989] <... openat resumed>) = 3 [pid 11985] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11997] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11994] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11989] chdir("./file0" [pid 11988] <... futex resumed>) = 0 [pid 11985] <... futex resumed>) = 1 [pid 5068] getdents64(3, [pid 11997] <... futex resumed>) = 1 [pid 11994] <... futex resumed>) = 0 [pid 11989] <... chdir resumed>) = 0 [pid 11988] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11985] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11983] <... futex resumed>) = 0 [pid 11997] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11994] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11989] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11995] <... write resumed>) = 1048576 [pid 11989] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 11983] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11995] munmap(0x7f43cac00000, 138412032 [pid 11989] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11988] <... fsconfig resumed>) = 0 [pid 11984] <... futex resumed>) = 0 [pid 11983] <... futex resumed>) = 1 [pid 5068] close(3 [pid 11995] <... munmap resumed>) = 0 [pid 11989] <... futex resumed>) = 1 [pid 11988] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11986] <... futex resumed>) = 0 [pid 11984] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11983] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... close resumed>) = 0 [pid 11995] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11989] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11988] <... futex resumed>) = 1 [pid 11986] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 11995] <... openat resumed>) = 4 [pid 11989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11988] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11986] <... futex resumed>) = 0 [ 352.393177][T11996] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 352.426507][T11988] NILFS (loop0): mounting fs with errors [ 352.438585][T11984] NILFS (loop3): mounting fs with errors [pid 11989] truncate("./file2", 0 [pid 11986] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11995] ioctl(4, LOOP_SET_FD, 3 [pid 11985] <... futex resumed>) = 0 [pid 5068] rmdir("./354" [pid 11985] exit_group(0 [pid 11988] <... futex resumed>) = ? [pid 11985] <... exit_group resumed>) = ? [pid 5068] <... rmdir resumed>) = 0 [pid 11988] +++ exited with 0 +++ [pid 5068] mkdir("./355", 0777) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 11995] <... ioctl resumed>) = 0 [pid 11994] <... futex resumed>) = ? [pid 11984] <... fsconfig resumed>) = 0 [pid 11995] close(3 [pid 11984] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11989] <... truncate resumed>) = 0 [pid 11984] <... futex resumed>) = 1 [pid 11983] <... futex resumed>) = 0 [pid 11995] <... close resumed>) = 0 [pid 11994] +++ exited with 0 +++ [pid 11989] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11985] +++ exited with 0 +++ [pid 11983] exit_group(0 [pid 11984] ???( [pid 11997] <... futex resumed>) = ? [pid 11984] <... ??? resumed>) = ? [pid 11983] <... exit_group resumed>) = ? [pid 11997] +++ exited with 0 +++ [pid 11986] <... futex resumed>) = 0 [pid 11986] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11985, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 11986] <... futex resumed>) = 0 [pid 11986] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 11989] <... futex resumed>) = 1 [pid 11995] close(4 [pid 11984] +++ exited with 0 +++ [pid 11983] +++ exited with 0 +++ [pid 5068] <... ioctl resumed>) = 0 [pid 5068] close(3 [pid 5067] umount2("./359", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11983, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5068] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11995] <... close resumed>) = 0 [pid 11995] mkdir("./file0", 0777) = 0 [pid 11995] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [ 352.442212][T11989] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 352.446368][T11995] loop4: detected capacity change from 0 to 2048 [ 352.455517][T11989] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 352.472221][T11989] Remounting filesystem read-only [ 352.477280][T11989] NILFS (loop2): error -5 truncating bmap (ino=16) [pid 5067] openat(AT_FDCWD, "./359", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 11998 attached [pid 11989] fspick(AT_FDCWD, ".", 0 [pid 5070] umount2("./358", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 3 [pid 11998] set_robust_list(0x555589d386a0, 24 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 11998 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11998] <... set_robust_list resumed>) = 0 [pid 11989] <... fspick resumed>) = 4 [pid 5067] newfstatat(3, "", [pid 11989] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] openat(AT_FDCWD, "./358", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11989] <... futex resumed>) = 1 [pid 11986] <... futex resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11989] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11986] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... openat resumed>) = 3 [pid 11998] chdir("./355" [pid 11989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] newfstatat(3, "", [pid 5067] getdents64(3, [pid 11989] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11986] <... futex resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 11986] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] umount2("./359/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11998] <... chdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./359/binderfs", [pid 11998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./359/binderfs" [pid 11998] <... prctl resumed>) = 0 [pid 5070] getdents64(3, [pid 11998] setpgid(0, 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] <... unlink resumed>) = 0 [pid 5070] umount2("./358/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11998] <... setpgid resumed>) = 0 [pid 11998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] umount2("./359/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./358/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] unlink("./358/binderfs" [pid 11998] <... openat resumed>) = 3 [pid 5070] <... unlink resumed>) = 0 [pid 11998] write(3, "1000", 4) = 4 [pid 11998] close(3 [pid 5070] umount2("./358/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11998] <... close resumed>) = 0 [pid 11998] symlink("/dev/binderfs", "./binderfs" [pid 11989] <... fsconfig resumed>) = 0 [pid 11998] <... symlink resumed>) = 0 [pid 11989] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11998] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11989] <... futex resumed>) = 1 [pid 11986] <... futex resumed>) = 0 [pid 11998] <... futex resumed>) = 0 [pid 11989] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11986] exit_group(0) = ? [pid 11998] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 11989] <... futex resumed>) = ? [pid 11998] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11989] +++ exited with 0 +++ [pid 11998] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 11998] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11998] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11998] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} => {parent_tid=[11999]}, 88) = 11999 [ 352.517541][T11995] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 352.530658][T11989] NILFS (loop2): mounting fs with errors [pid 11998] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11998] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11999 attached ) = 0 [pid 11999] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 11998] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5070] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 11999] <... rseq resumed>) = 0 [pid 11999] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 11999] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11999] memfd_create("syzkaller", 0) = 3 [pid 11995] <... mount resumed>) = 0 [pid 11986] +++ exited with 0 +++ [pid 5067] umount2("./359/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11995] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11986, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 11995] <... openat resumed>) = 3 [pid 11995] chdir("./file0") = 0 [pid 5069] umount2("./358", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11999] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11995] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11999] <... mmap resumed>) = 0x7f43cac00000 [pid 11995] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5069] openat(AT_FDCWD, "./358", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11995] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] umount2("./358/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 3 [pid 5067] newfstatat(AT_FDCWD, "./359/file0", [pid 11999] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 11995] <... futex resumed>) = 1 [pid 11993] <... futex resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(3, "", [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11995] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11993] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] umount2("./359/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11993] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11995] truncate("./file2", 0 [pid 11993] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] newfstatat(AT_FDCWD, "./358/file0", [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(3, [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] umount2("./358/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11999] <... write resumed>) = 1048576 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] openat(AT_FDCWD, "./359/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11999] munmap(0x7f43cac00000, 138412032 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./358/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 352.580217][T12000] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 352.613441][T11995] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 5070] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11999] <... munmap resumed>) = 0 [pid 5070] getdents64(4, [pid 11999] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] umount2("./358/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11999] ioctl(4, LOOP_SET_FD, 3 [pid 5070] getdents64(4, [pid 5067] <... openat resumed>) = 4 [pid 11995] <... truncate resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(4, "", [pid 11995] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11993] <... futex resumed>) = 0 [pid 5070] close(4 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 11995] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11993] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... close resumed>) = 0 [pid 5067] getdents64(4, [pid 5070] rmdir("./358/file0" [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] <... rmdir resumed>) = 0 [pid 5067] getdents64(4, [pid 5070] getdents64(3, [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] close(4 [pid 5070] close(3 [pid 5067] <... close resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5067] rmdir("./359/file0" [pid 5070] rmdir("./358" [pid 5069] newfstatat(AT_FDCWD, "./358/binderfs", [pid 5067] <... rmdir resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5067] getdents64(3, [pid 11993] <... futex resumed>) = 0 [pid 5070] mkdir("./359", 0777 [pid 11993] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5067] close(3 [pid 5070] <... openat resumed>) = 3 [pid 5067] <... close resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5067] rmdir("./359" [pid 11999] <... ioctl resumed>) = 0 [pid 11995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5069] unlink("./358/binderfs" [pid 5067] <... rmdir resumed>) = 0 [pid 11995] fspick(AT_FDCWD, ".", 0) = 4 [pid 5067] mkdir("./360", 0777 [pid 11999] close(3 [pid 11995] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... unlink resumed>) = 0 [pid 11999] <... close resumed>) = 0 [pid 5069] umount2("./358/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... mkdir resumed>) = 0 [ 352.625620][T11995] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 352.636546][T11995] Remounting filesystem read-only [ 352.641733][T11995] NILFS (loop4): error -5 truncating bmap (ino=16) [ 352.647218][T11999] loop1: detected capacity change from 0 to 2048 [pid 11999] close(4 [pid 11995] <... futex resumed>) = 1 [pid 11993] <... futex resumed>) = 0 [pid 11995] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 11993] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11993] <... futex resumed>) = 0 [pid 11999] <... close resumed>) = 0 [pid 11993] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] umount2("./358/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] ioctl(3, LOOP_CLR_FD [pid 11999] mkdir("./file0", 0777 [pid 5069] newfstatat(AT_FDCWD, "./358/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 11999] <... mkdir resumed>) = 0 [pid 11995] <... fsconfig resumed>) = 0 [pid 5069] umount2("./358/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11995] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 11999] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 11995] <... futex resumed>) = 1 [pid 11993] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./358/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 11995] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11993] exit_group(0 [pid 11995] <... futex resumed>) = ? [pid 11993] <... exit_group resumed>) = ? [pid 11995] +++ exited with 0 +++ [pid 5069] <... openat resumed>) = 4 [pid 11993] +++ exited with 0 +++ [pid 5069] newfstatat(4, "", [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11993, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] <... restart_syscall resumed>) = 0 [pid 5069] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] umount2("./362", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(4, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] openat(AT_FDCWD, "./362", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] close(4 [pid 5071] <... openat resumed>) = 3 [pid 5071] newfstatat(3, "", [pid 5069] <... close resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 352.675891][T11995] NILFS (loop4): mounting fs with errors [ 352.693009][T11999] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 5069] rmdir("./358/file0" [pid 5071] getdents64(3, [pid 5069] <... rmdir resumed>) = 0 [pid 11999] <... mount resumed>) = 0 [pid 5069] getdents64(3, [pid 11999] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 11999] <... openat resumed>) = 3 [pid 5069] close(3 [pid 11999] chdir("./file0" [pid 5069] <... close resumed>) = 0 [pid 11999] <... chdir resumed>) = 0 [pid 5069] rmdir("./358" [pid 11999] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] <... rmdir resumed>) = 0 [pid 11999] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5071] umount2("./362/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] mkdir("./359", 0777 [pid 11999] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11998] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... ioctl resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 11999] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11998] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11998] <... futex resumed>) = 0 [pid 5070] close(3 [pid 5071] newfstatat(AT_FDCWD, "./362/binderfs", [pid 11998] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./362/binderfs") = 0 [pid 5071] umount2("./362/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [ 352.716404][T12001] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 11999] truncate("./file2", 0 [pid 5069] <... openat resumed>) = 3 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5067] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 12002 attached [pid 5067] close(3 [pid 11998] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11998] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 11998] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5071] <... umount2 resumed>) = 0 [pid 11998] <... mprotect resumed>) = 0 [pid 11998] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] umount2("./362/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 11998] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11998] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[12003]}, 88) = 12003 [pid 11998] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11998] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] <... close resumed>) = 0 [pid 11998] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12003 attached [pid 12002] set_robust_list(0x555589d386a0, 24 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 12002 [pid 5071] newfstatat(AT_FDCWD, "./362/file0", [pid 12003] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12002] <... set_robust_list resumed>) = 0 [pid 12003] <... rseq resumed>) = 0 [pid 12002] chdir("./359" [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12003] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 12003] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12002] <... chdir resumed>) = 0 [pid 12002] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 352.756399][T11999] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 352.769146][T11999] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 352.793835][T11999] Remounting filesystem read-only [pid 12003] fspick(AT_FDCWD, ".", 0 [pid 12002] setpgid(0, 0 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 12004 [pid 12003] <... fspick resumed>) = 4 [pid 12002] <... setpgid resumed>) = 0 [pid 12002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] umount2("./362/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12003] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12002] <... openat resumed>) = 3 [pid 5069] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 12004 attached [pid 12003] <... futex resumed>) = 1 [pid 11999] <... truncate resumed>) = 0 [pid 11998] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12004] set_robust_list(0x555589d386a0, 24 [pid 12002] write(3, "1000", 4 [pid 11999] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 11998] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12004] <... set_robust_list resumed>) = 0 [pid 11999] <... futex resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./362/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12004] chdir("./360" [pid 12003] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12002] <... write resumed>) = 4 [pid 11999] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11998] <... futex resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 12004] <... chdir resumed>) = 0 [pid 12002] close(3 [pid 5071] newfstatat(4, "", [pid 12004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12004] <... prctl resumed>) = 0 [pid 5071] getdents64(4, [pid 12004] setpgid(0, 0 [pid 12002] <... close resumed>) = 0 [pid 11998] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 12004] <... setpgid resumed>) = 0 [pid 5071] getdents64(4, [pid 12004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12002] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 12004] <... openat resumed>) = 3 [pid 12002] <... symlink resumed>) = 0 [pid 5071] close(4 [pid 12002] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12004] write(3, "1000", 4 [pid 12002] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5071] <... close resumed>) = 0 [pid 5069] close(3 [pid 12004] <... write resumed>) = 4 [pid 5071] rmdir("./362/file0" [pid 5069] <... close resumed>) = 0 [pid 12004] close(3) = 0 [pid 12002] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12004] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... rmdir resumed>) = 0 [pid 12003] <... fsconfig resumed>) = 0 [pid 12002] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12004] <... symlink resumed>) = 0 [pid 12003] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] getdents64(3, [pid 12002] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 12005 attached [pid 12004] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12003] <... futex resumed>) = 1 [pid 12002] <... mmap resumed>) = 0x7f43d3147000 [pid 11998] <... futex resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12005] set_robust_list(0x555589d386a0, 24 [pid 12004] <... futex resumed>) = 0 [pid 12003] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12002] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 11998] exit_group(0 [pid 5071] close(3 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 12005 [pid 12005] <... set_robust_list resumed>) = 0 [pid 12004] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12003] <... futex resumed>) = ? [pid 12002] <... mprotect resumed>) = 0 [pid 11999] <... futex resumed>) = ? [pid 11998] <... exit_group resumed>) = ? [pid 5071] <... close resumed>) = 0 [pid 12005] chdir("./359" [pid 12004] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12003] +++ exited with 0 +++ [pid 12002] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11999] +++ exited with 0 +++ [pid 11998] +++ exited with 0 +++ [pid 5071] rmdir("./362" [pid 12005] <... chdir resumed>) = 0 [pid 12004] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [ 352.801865][T11999] NILFS (loop1): error -5 truncating bmap (ino=16) [ 352.825679][T12003] NILFS (loop1): mounting fs with errors [pid 12005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12002] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11998, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 12005] <... prctl resumed>) = 0 [pid 12004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12002] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5071] mkdir("./363", 0777 [pid 5068] umount2("./355", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12005] setpgid(0, 0 [pid 12004] <... mmap resumed>) = 0x7f43d3147000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12005] <... setpgid resumed>) = 0 [pid 12002] <... clone3 resumed> => {parent_tid=[12006]}, 88) = 12006 [pid 5068] openat(AT_FDCWD, "./355", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 12006 attached [pid 12005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12004] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12002] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... openat resumed>) = 3 [pid 12006] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12005] <... openat resumed>) = 3 [pid 12004] <... mprotect resumed>) = 0 [pid 12002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12005] write(3, "1000", 4 [pid 12002] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(3, "", [pid 12005] <... write resumed>) = 4 [pid 12004] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12002] <... futex resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12006] <... rseq resumed>) = 0 [pid 12005] close(3 [pid 12004] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12005] <... close resumed>) = 0 [pid 12002] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5068] getdents64(3, [pid 12006] set_robust_list(0x7f43d31679a0, 24 [pid 12005] symlink("/dev/binderfs", "./binderfs" [pid 12004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5071] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 12007 attached [pid 12006] <... set_robust_list resumed>) = 0 [pid 12005] <... symlink resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12007] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12006] rt_sigprocmask(SIG_SETMASK, [], [pid 12005] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12007] <... rseq resumed>) = 0 [pid 12005] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12007] set_robust_list(0x7f43d31679a0, 24 [pid 12005] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] umount2("./355/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12007] <... set_robust_list resumed>) = 0 [pid 12005] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12006] memfd_create("syzkaller", 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12007] rt_sigprocmask(SIG_SETMASK, [], [pid 12006] <... memfd_create resumed>) = 3 [pid 12005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12004] <... clone3 resumed> => {parent_tid=[12007]}, 88) = 12007 [pid 5068] newfstatat(AT_FDCWD, "./355/binderfs", [pid 12007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12006] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12005] <... mmap resumed>) = 0x7f43d3147000 [pid 12004] rt_sigprocmask(SIG_SETMASK, [], [pid 12007] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12006] <... mmap resumed>) = 0x7f43cac00000 [pid 12005] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12005] <... mprotect resumed>) = 0 [pid 12004] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] unlink("./355/binderfs" [pid 12007] <... futex resumed>) = 0 [pid 12005] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12004] <... futex resumed>) = 1 [pid 12007] memfd_create("syzkaller", 0) = 3 [pid 12005] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12004] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5068] <... unlink resumed>) = 0 [pid 12007] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12005] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5068] umount2("./355/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12007] <... mmap resumed>) = 0x7f43cac00000 [pid 12006] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576./strace-static-x86_64: Process 12008 attached [pid 12007] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12008] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 12008] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 12008] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12008] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12005] <... clone3 resumed> => {parent_tid=[12008]}, 88) = 12008 [pid 12005] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12005] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12008] <... futex resumed>) = 0 [pid 12005] <... futex resumed>) = 1 [pid 12008] memfd_create("syzkaller", 0 [pid 12006] <... write resumed>) = 1048576 [pid 5068] <... umount2 resumed>) = 0 [pid 12005] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12008] <... memfd_create resumed>) = 3 [pid 12007] <... write resumed>) = 1048576 [pid 12006] munmap(0x7f43cac00000, 138412032 [pid 5071] <... ioctl resumed>) = 0 [pid 5068] umount2("./355/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12008] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12006] <... munmap resumed>) = 0 [pid 12008] <... mmap resumed>) = 0x7f43cac00000 [pid 12007] munmap(0x7f43cac00000, 138412032 [pid 5071] close(3 [pid 12006] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] <... close resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12006] <... openat resumed>) = 4 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] newfstatat(AT_FDCWD, "./355/file0", [pid 12006] ioctl(4, LOOP_SET_FD, 3 [pid 12008] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12007] <... munmap resumed>) = 0 [pid 12006] <... ioctl resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 12009 ./strace-static-x86_64: Process 12009 attached [pid 12009] set_robust_list(0x555589d386a0, 24 [pid 12006] close(3 [pid 5068] umount2("./355/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12009] <... set_robust_list resumed>) = 0 [pid 12006] <... close resumed>) = 0 [pid 12006] close(4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12009] chdir("./363" [pid 12006] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./355/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12009] <... chdir resumed>) = 0 [pid 12007] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12006] mkdir("./file0", 0777 [pid 12007] <... openat resumed>) = 4 [pid 12006] <... mkdir resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 12009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12007] ioctl(4, LOOP_SET_FD, 3 [pid 5068] newfstatat(4, "", [pid 12009] <... prctl resumed>) = 0 [pid 12006] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12009] setpgid(0, 0 [pid 12007] <... ioctl resumed>) = 0 [pid 12009] <... setpgid resumed>) = 0 [pid 12007] close(3 [pid 12009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12007] <... close resumed>) = 0 [pid 5068] getdents64(4, [pid 12007] close(4 [pid 12009] <... openat resumed>) = 3 [pid 12007] <... close resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 12009] write(3, "1000", 4 [pid 12007] mkdir("./file0", 0777 [pid 12009] <... write resumed>) = 4 [pid 12009] close(3 [pid 12007] <... mkdir resumed>) = 0 [pid 5068] getdents64(4, [pid 12009] <... close resumed>) = 0 [pid 12007] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 12009] symlink("/dev/binderfs", "./binderfs" [pid 5068] close(4 [pid 12009] <... symlink resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 12009] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./355/file0" [pid 12009] <... futex resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 12009] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5068] getdents64(3, [ 352.945672][T12006] loop3: detected capacity change from 0 to 2048 [ 352.967347][T12007] loop0: detected capacity change from 0 to 2048 [ 352.980987][T12006] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12009] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12008] <... write resumed>) = 1048576 [pid 5068] close(3) = 0 [pid 5068] rmdir("./355") = 0 [pid 5068] mkdir("./356", 0777 [pid 12008] munmap(0x7f43cac00000, 138412032 [pid 5068] <... mkdir resumed>) = 0 [pid 12008] <... munmap resumed>) = 0 [pid 12009] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] <... openat resumed>) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 12009] <... mmap resumed>) = 0x7f43d3147000 [pid 12009] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12008] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12009] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12008] <... openat resumed>) = 4 [pid 12009] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12009] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12008] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 12010 attached [pid 12010] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12009] <... clone3 resumed> => {parent_tid=[12010]}, 88) = 12010 [pid 12010] <... rseq resumed>) = 0 [pid 12009] rt_sigprocmask(SIG_SETMASK, [], [pid 12010] set_robust_list(0x7f43d31679a0, 24 [pid 12009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12010] <... set_robust_list resumed>) = 0 [pid 12009] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12010] rt_sigprocmask(SIG_SETMASK, [], [pid 12009] <... futex resumed>) = 0 [pid 12010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12009] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12010] memfd_create("syzkaller", 0 [pid 12006] <... mount resumed>) = 0 [pid 12006] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12006] chdir("./file0") = 0 [pid 12006] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12006] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 353.005993][T12007] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 353.033648][T12008] loop2: detected capacity change from 0 to 2048 [pid 12006] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12002] <... futex resumed>) = 0 [pid 12002] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12006] <... futex resumed>) = 0 [pid 12002] <... futex resumed>) = 1 [pid 12006] truncate("./file2", 0 [pid 12010] <... memfd_create resumed>) = 3 [pid 12010] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12008] <... ioctl resumed>) = 0 [pid 12002] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12008] close(3 [pid 12010] <... mmap resumed>) = 0x7f43cac00000 [pid 12008] <... close resumed>) = 0 [pid 12008] close(4) = 0 [pid 12008] mkdir("./file0", 0777) = 0 [ 353.047722][T12011] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 353.055771][T12006] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 353.072741][T12012] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 353.090589][T12008] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12008] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12010] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12007] <... mount resumed>) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 12007] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12007] chdir("./file0") = 0 [pid 12007] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12007] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12002] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12002] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12007] <... futex resumed>) = 1 [pid 12002] <... futex resumed>) = 0 [pid 5068] close(3 [pid 12007] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12002] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] <... close resumed>) = 0 [pid 12002] <... mmap resumed>) = 0x7f43d3126000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12002] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12002] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12002] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 12014 attached [pid 12004] <... futex resumed>) = 0 [pid 12004] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12007] <... futex resumed>) = 0 [pid 12014] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12004] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 353.101941][T12006] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 12002] <... clone3 resumed> => {parent_tid=[12014]}, 88) = 12014 [pid 12014] <... rseq resumed>) = 0 [pid 12007] truncate("./file2", 0 [pid 12002] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12002] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12002] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12014] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 12014] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 12013 attached NULL, 8) = 0 [pid 12014] fspick(AT_FDCWD, ".", 0 [pid 12013] set_robust_list(0x555589d386a0, 24) = 0 [pid 12013] chdir("./356" [pid 12010] <... write resumed>) = 1048576 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 12013 [pid 12013] <... chdir resumed>) = 0 [pid 12013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12013] setpgid(0, 0) = 0 [pid 12013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12013] write(3, "1000", 4) = 4 [pid 12013] close(3) = 0 [pid 12013] symlink("/dev/binderfs", "./binderfs") = 0 [pid 12014] <... fspick resumed>) = 4 [pid 12008] <... mount resumed>) = 0 [pid 12013] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12014] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12008] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12013] <... futex resumed>) = 0 [pid 12014] <... futex resumed>) = 1 [pid 12008] <... openat resumed>) = 3 [pid 12013] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12008] chdir("./file0" [pid 12014] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12013] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12008] <... chdir resumed>) = 0 [pid 12013] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12008] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12008] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12008] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12013] <... mmap resumed>) = 0x7f43d3147000 [pid 12008] <... futex resumed>) = 1 [pid 12008] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12013] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [ 353.133397][T12006] Remounting filesystem read-only [ 353.140281][T12007] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 353.156580][T12015] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 353.172813][T12006] NILFS (loop3): error -5 truncating bmap (ino=16) [pid 12013] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12010] munmap(0x7f43cac00000, 138412032 [pid 12006] <... truncate resumed>) = 0 [pid 12005] <... futex resumed>) = 0 [pid 12004] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12002] <... futex resumed>) = 0 [pid 12005] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12004] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12002] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12004] <... futex resumed>) = 0 [pid 12014] <... futex resumed>) = 0 [pid 12002] <... futex resumed>) = 1 [pid 12004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12014] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12005] <... futex resumed>) = 1 [pid 12004] <... mmap resumed>) = 0x7f43d3126000 [pid 12013] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12008] <... futex resumed>) = 0 [pid 12013] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12008] truncate("./file2", 0 [pid 12005] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12004] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 12016 attached ) = 0 [pid 12016] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12014] <... fsconfig resumed>) = 0 [pid 12010] <... munmap resumed>) = 0 [pid 12006] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12004] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12002] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12016] <... rseq resumed>) = 0 [pid 12016] set_robust_list(0x7f43d31679a0, 24 [pid 12013] <... clone3 resumed> => {parent_tid=[12016]}, 88) = 12016 [pid 12016] <... set_robust_list resumed>) = 0 [pid 12013] rt_sigprocmask(SIG_SETMASK, [], [pid 12016] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12016] memfd_create("syzkaller", 0 [pid 12013] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12016] <... memfd_create resumed>) = 3 [pid 12013] <... futex resumed>) = 0 [pid 12016] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12013] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12016] <... mmap resumed>) = 0x7f43cac00000 [pid 12014] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12010] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12006] <... futex resumed>) = 0 [pid 12004] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12006] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12010] <... openat resumed>) = 4 [pid 12014] <... futex resumed>) = 1 [pid 12004] <... clone3 resumed> => {parent_tid=[12017]}, 88) = 12017 [ 353.177186][T12007] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 353.192303][T12014] NILFS (loop3): mounting fs with errors [ 353.200547][T12008] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 353.209813][T12007] Remounting filesystem read-only [ 353.216931][T12007] NILFS (loop0): error -5 truncating bmap (ino=16) [pid 12014] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12010] ioctl(4, LOOP_SET_FD, 3 [pid 12007] <... truncate resumed>) = 0 [pid 12004] rt_sigprocmask(SIG_SETMASK, [], [pid 12002] <... futex resumed>) = 0 ./strace-static-x86_64: Process 12017 attached [pid 12017] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 12017] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 12016] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12017] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12017] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12002] exit_group(0 [pid 12004] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12014] <... futex resumed>) = ? [pid 12007] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12002] <... exit_group resumed>) = ? [pid 12017] <... futex resumed>) = 0 [pid 12007] <... futex resumed>) = 0 [pid 12004] <... futex resumed>) = 1 [pid 12014] +++ exited with 0 +++ [pid 12017] fspick(AT_FDCWD, ".", 0 [pid 12010] <... ioctl resumed>) = 0 [pid 12007] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12006] <... futex resumed>) = ? [pid 12004] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12017] <... fspick resumed>) = 4 [pid 12016] <... write resumed>) = 1048576 [pid 12017] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12017] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12016] munmap(0x7f43cac00000, 138412032 [pid 12010] close(3 [pid 12006] +++ exited with 0 +++ [pid 12005] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12002] +++ exited with 0 +++ [pid 12016] <... munmap resumed>) = 0 [pid 12004] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12005] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12010] <... close resumed>) = 0 [pid 12016] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12010] close(4 [pid 12008] <... truncate resumed>) = 0 [pid 12007] <... futex resumed>) = 0 [pid 12005] <... futex resumed>) = 0 [pid 12004] <... futex resumed>) = 1 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12002, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 12016] <... openat resumed>) = 4 [pid 12010] <... close resumed>) = 0 [pid 12008] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12007] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12004] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] umount2("./359", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12016] ioctl(4, LOOP_SET_FD, 3 [ 353.226394][T12008] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 353.236923][T12010] loop4: detected capacity change from 0 to 2048 [ 353.247916][T12008] Remounting filesystem read-only [ 353.257340][T12008] NILFS (loop2): error -5 truncating bmap (ino=16) [ 353.268980][T12007] NILFS (loop0): mounting fs with errors [pid 12010] mkdir("./file0", 0777 [pid 12008] <... futex resumed>) = 0 [pid 12007] <... fsconfig resumed>) = 0 [pid 12005] <... mmap resumed>) = 0x7f43d3126000 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12010] <... mkdir resumed>) = 0 [pid 12005] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5070] openat(AT_FDCWD, "./359", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12007] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12010] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12005] <... mprotect resumed>) = 0 [pid 12007] <... futex resumed>) = 1 [pid 5070] <... openat resumed>) = 3 [pid 12007] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12005] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12004] <... futex resumed>) = 0 [pid 12005] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12004] exit_group(0 [pid 5070] newfstatat(3, "", [pid 12017] <... futex resumed>) = ? [pid 12008] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12007] <... futex resumed>) = ? [pid 12005] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12004] <... exit_group resumed>) = ? [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12017] +++ exited with 0 +++ [pid 12007] +++ exited with 0 +++ [pid 12004] +++ exited with 0 +++ [pid 5070] getdents64(3, ./strace-static-x86_64: Process 12018 attached [pid 12005] <... clone3 resumed> => {parent_tid=[12018]}, 88) = 12018 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12018] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12005] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] umount2("./359/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12018] <... rseq resumed>) = 0 [pid 12005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12018] set_robust_list(0x7f43d31469a0, 24 [pid 12005] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12018] <... set_robust_list resumed>) = 0 [pid 12005] <... futex resumed>) = 0 [pid 5070] newfstatat(AT_FDCWD, "./359/binderfs", [pid 12018] rt_sigprocmask(SIG_SETMASK, [], [pid 12005] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] unlink("./359/binderfs" [pid 12018] fspick(AT_FDCWD, ".", 0 [pid 5070] <... unlink resumed>) = 0 [pid 12018] <... fspick resumed>) = 4 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12004, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 12018] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] umount2("./359/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 12018] <... futex resumed>) = 1 [pid 12005] <... futex resumed>) = 0 [pid 12018] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12005] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... restart_syscall resumed>) = 0 [pid 12008] <... futex resumed>) = 0 [pid 12005] <... futex resumed>) = 1 [pid 12016] <... ioctl resumed>) = 0 [pid 12008] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12005] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12016] close(3) = 0 [pid 12016] close(4 [pid 5067] umount2("./360", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12016] <... close resumed>) = 0 [pid 12016] mkdir("./file0", 0777) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 353.278384][T12016] loop1: detected capacity change from 0 to 2048 [ 353.294689][T12010] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 353.313785][T12008] NILFS (loop2): mounting fs with errors [pid 12016] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5067] openat(AT_FDCWD, "./360", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12008] <... fsconfig resumed>) = 0 [pid 12008] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12005] <... futex resumed>) = 0 [pid 12005] exit_group(0 [pid 12018] <... futex resumed>) = ? [pid 12005] <... exit_group resumed>) = ? [pid 12018] +++ exited with 0 +++ [pid 5067] <... openat resumed>) = 3 [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./360/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12008] +++ exited with 0 +++ [pid 12005] +++ exited with 0 +++ [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12005, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5067] newfstatat(AT_FDCWD, "./360/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5067] unlink("./360/binderfs" [pid 5069] umount2("./359", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./359", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./359/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./359/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] unlink("./359/binderfs") = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5070] umount2("./359/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./360/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12010] <... mount resumed>) = 0 [pid 12010] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12010] chdir("./file0") = 0 [pid 12010] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12010] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12010] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] umount2("./359/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12009] <... futex resumed>) = 0 [pid 12009] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12010] <... futex resumed>) = 0 [pid 12010] truncate("./file2", 0 [pid 12009] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... umount2 resumed>) = 0 [pid 5067] umount2("./360/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 353.325331][T12016] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 353.351671][T12019] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5070] newfstatat(AT_FDCWD, "./359/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./359/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] newfstatat(AT_FDCWD, "./360/file0", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./359/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5067] umount2("./360/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(4, "", [pid 5067] openat(AT_FDCWD, "./360/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(4, [pid 5067] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, [pid 12016] <... mount resumed>) = 0 [pid 12016] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12016] chdir("./file0") = 0 [pid 12016] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12016] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 353.382468][T12010] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 353.400278][T12020] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 353.406309][T12010] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 353.422929][T12010] Remounting filesystem read-only [ 353.428288][T12010] NILFS (loop4): error -5 truncating bmap (ino=16) [pid 12016] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] getdents64(4, [pid 12013] <... futex resumed>) = 0 [pid 12009] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 12013] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12016] <... futex resumed>) = 0 [pid 12013] <... futex resumed>) = 1 [pid 12009] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] close(4 [pid 12016] truncate("./file2", 0 [pid 12013] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12010] <... truncate resumed>) = 0 [pid 12009] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 12010] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] <... close resumed>) = 0 [pid 12010] <... futex resumed>) = 0 [pid 12009] <... mmap resumed>) = 0x7f43d3126000 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] rmdir("./360/file0" [pid 12009] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5070] close(4 [pid 5067] <... rmdir resumed>) = 0 [pid 12009] <... mprotect resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5067] getdents64(3, [pid 12009] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] rmdir("./359/file0" [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12009] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5067] close(3 [pid 12009] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 12021 attached [pid 12021] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12009] <... clone3 resumed> => {parent_tid=[12021]}, 88) = 12021 [pid 5067] <... close resumed>) = 0 [pid 12021] <... rseq resumed>) = 0 [pid 12009] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] rmdir("./360" [pid 12021] set_robust_list(0x7f43d31469a0, 24 [pid 12009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] getdents64(3, [pid 5067] <... rmdir resumed>) = 0 [pid 12021] <... set_robust_list resumed>) = 0 [pid 12009] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12021] rt_sigprocmask(SIG_SETMASK, [], [pid 12009] <... futex resumed>) = 0 [pid 12021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12009] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] close(3 [pid 5067] mkdir("./361", 0777 [pid 12021] fspick(AT_FDCWD, ".", 0 [pid 5070] <... close resumed>) = 0 [pid 12021] <... fspick resumed>) = 4 [pid 12021] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] rmdir("./359" [pid 5067] <... mkdir resumed>) = 0 [pid 12021] <... futex resumed>) = 1 [pid 12010] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12009] <... futex resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] umount2("./359/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12021] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12009] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12010] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12009] <... futex resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./359/file0", [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12009] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] mkdir("./360", 0777 [pid 5067] <... openat resumed>) = 3 [pid 5070] <... mkdir resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12010] <... fsconfig resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12010] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... openat resumed>) = 3 [pid 5069] umount2("./359/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12010] <... futex resumed>) = 1 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12010] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] openat(AT_FDCWD, "./359/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12009] <... futex resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./359/file0") = 0 [pid 5069] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./359" [pid 12009] exit_group(0 [pid 5069] <... rmdir resumed>) = 0 [pid 12021] <... futex resumed>) = ? [pid 12016] <... truncate resumed>) = 0 [pid 12009] <... exit_group resumed>) = ? [pid 5069] mkdir("./360", 0777 [pid 12021] +++ exited with 0 +++ [pid 12016] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12016] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12013] <... futex resumed>) = 0 [pid 12010] <... futex resumed>) = ? [pid 5069] <... mkdir resumed>) = 0 [pid 5067] <... ioctl resumed>) = 0 [pid 12013] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12016] <... futex resumed>) = 0 [pid 12013] <... futex resumed>) = 1 [pid 12013] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12016] fspick(AT_FDCWD, ".", 0 [pid 12010] +++ exited with 0 +++ [pid 12009] +++ exited with 0 +++ [pid 5069] <... openat resumed>) = 3 [pid 12016] <... fspick resumed>) = 4 [pid 12016] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12009, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5069] ioctl(3, LOOP_CLR_FD [pid 12016] <... futex resumed>) = 1 [pid 12013] <... futex resumed>) = 0 [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5067] close(3 [pid 12016] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12013] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... restart_syscall resumed>) = 0 [pid 12016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12013] <... futex resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 12016] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [ 353.437984][T12016] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 353.452036][T12010] NILFS (loop4): mounting fs with errors [ 353.455000][T12016] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 353.468890][T12016] Remounting filesystem read-only [ 353.474190][T12016] NILFS (loop1): error -5 truncating bmap (ino=16) [pid 12013] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] umount2("./363", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./363", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./363/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 12022 [pid 5071] newfstatat(AT_FDCWD, "./363/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./363/binderfs") = 0 ./strace-static-x86_64: Process 12022 attached [pid 12016] <... fsconfig resumed>) = 0 [pid 12022] set_robust_list(0x555589d386a0, 24 [pid 12016] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] umount2("./363/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12016] <... futex resumed>) = 1 [pid 12013] <... futex resumed>) = 0 [pid 12016] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12022] <... set_robust_list resumed>) = 0 [pid 12013] exit_group(0 [pid 5070] <... ioctl resumed>) = 0 [pid 12016] <... futex resumed>) = ? [pid 12013] <... exit_group resumed>) = ? [pid 5070] close(3 [pid 12022] chdir("./361" [pid 12016] +++ exited with 0 +++ [pid 12013] +++ exited with 0 +++ [pid 5070] <... close resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12013, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12023 attached [pid 12022] <... chdir resumed>) = 0 [pid 12023] set_robust_list(0x555589d386a0, 24 [pid 5069] <... ioctl resumed>) = 0 [pid 12022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12023] <... set_robust_list resumed>) = 0 [pid 12022] setpgid(0, 0 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 12023 [pid 5068] umount2("./356", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12022] <... setpgid resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12023] chdir("./360" [pid 5068] openat(AT_FDCWD, "./356", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... openat resumed>) = 3 [pid 5068] newfstatat(3, "", [pid 12023] <... chdir resumed>) = 0 [pid 12022] <... openat resumed>) = 3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12022] write(3, "1000", 4 [pid 12023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] getdents64(3, [pid 12023] <... prctl resumed>) = 0 [pid 12022] <... write resumed>) = 4 [pid 5071] <... umount2 resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12023] setpgid(0, 0 [pid 5068] umount2("./356/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12022] close(3 [pid 5071] umount2("./363/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12022] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12022] symlink("/dev/binderfs", "./binderfs" [pid 5071] newfstatat(AT_FDCWD, "./363/file0", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./356/binderfs", [pid 12023] <... setpgid resumed>) = 0 [pid 12022] <... symlink resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] umount2("./363/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12022] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12022] <... futex resumed>) = 0 [ 353.506144][T12016] NILFS (loop1): mounting fs with errors [pid 5071] openat(AT_FDCWD, "./363/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] close(3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12023] <... openat resumed>) = 3 [pid 12022] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5071] <... openat resumed>) = 4 [pid 5069] <... close resumed>) = 0 [pid 5068] unlink("./356/binderfs" [pid 12022] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5071] newfstatat(4, "", [pid 12022] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] getdents64(4, [pid 5068] <... unlink resumed>) = 0 [pid 12023] write(3, "1000", 4 [pid 5068] umount2("./356/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 12024 attached [pid 12023] <... write resumed>) = 4 [pid 12022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 12024] set_robust_list(0x555589d386a0, 24 [pid 12022] <... mmap resumed>) = 0x7f43d3147000 [pid 5071] getdents64(4, [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 12024 [pid 12024] <... set_robust_list resumed>) = 0 [pid 12022] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 12023] close(3 [pid 5071] close(4 [pid 12022] <... mprotect resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 12024] chdir("./360" [pid 12023] <... close resumed>) = 0 [pid 12022] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] rmdir("./363/file0" [pid 12024] <... chdir resumed>) = 0 [pid 12023] symlink("/dev/binderfs", "./binderfs" [pid 12022] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 12024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12022] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 12025 attached [pid 12024] <... prctl resumed>) = 0 [pid 12023] <... symlink resumed>) = 0 [pid 5071] getdents64(3, [pid 12025] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12024] setpgid(0, 0 [pid 12023] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12022] <... clone3 resumed> => {parent_tid=[12025]}, 88) = 12025 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12025] <... rseq resumed>) = 0 [pid 12024] <... setpgid resumed>) = 0 [pid 12022] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] close(3 [pid 12025] set_robust_list(0x7f43d31679a0, 24 [pid 12024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12023] <... futex resumed>) = 0 [pid 12022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... close resumed>) = 0 [pid 12025] <... set_robust_list resumed>) = 0 [pid 12024] <... openat resumed>) = 3 [pid 12022] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] rmdir("./363" [pid 12025] rt_sigprocmask(SIG_SETMASK, [], [pid 12023] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12023] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12022] <... futex resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 12025] memfd_create("syzkaller", 0 [pid 12024] write(3, "1000", 4 [pid 12023] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12022] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12024] <... write resumed>) = 4 [pid 12023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12025] <... memfd_create resumed>) = 3 [pid 12024] close(3 [pid 12023] <... mmap resumed>) = 0x7f43d3147000 [pid 5071] mkdir("./364", 0777 [pid 12025] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12024] <... close resumed>) = 0 [pid 12023] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5071] <... mkdir resumed>) = 0 [pid 12025] <... mmap resumed>) = 0x7f43cac00000 [pid 12024] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 12023] <... mprotect resumed>) = 0 [pid 12024] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12023] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] ioctl(3, LOOP_CLR_FD [pid 12024] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 12023] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12024] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 12023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12024] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 12026 attached NULL, 8) = 0 [pid 12024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12026] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12024] <... mmap resumed>) = 0x7f43d3147000 [pid 5068] umount2("./356/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12024] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12026] <... rseq resumed>) = 0 [pid 12024] <... mprotect resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12026] set_robust_list(0x7f43d31679a0, 24 [pid 12025] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12024] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12023] <... clone3 resumed> => {parent_tid=[12026]}, 88) = 12026 [pid 12024] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12026] <... set_robust_list resumed>) = 0 [pid 12026] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12023] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] newfstatat(AT_FDCWD, "./356/file0", [pid 12026] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12023] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12026] memfd_create("syzkaller", 0 [pid 12023] <... futex resumed>) = 0 [pid 5068] umount2("./356/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12026] <... memfd_create resumed>) = 3 [pid 12023] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12027 attached [pid 12024] <... clone3 resumed> => {parent_tid=[12027]}, 88) = 12027 [pid 12027] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12024] rt_sigprocmask(SIG_SETMASK, [], [pid 12027] <... rseq resumed>) = 0 [pid 12024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12027] set_robust_list(0x7f43d31679a0, 24 [pid 12026] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12024] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./356/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12026] <... mmap resumed>) = 0x7f43cac00000 [pid 12027] <... set_robust_list resumed>) = 0 [pid 12024] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 12027] rt_sigprocmask(SIG_SETMASK, [], [pid 12024] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12027] memfd_create("syzkaller", 0) = 3 [pid 12027] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5068] newfstatat(4, "", [pid 12027] <... mmap resumed>) = 0x7f43cac00000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] close(4 [pid 12026] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5068] <... close resumed>) = 0 [pid 5068] rmdir("./356/file0") = 0 [pid 12027] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12025] <... write resumed>) = 1048576 [pid 12026] <... write resumed>) = 1048576 [pid 12025] munmap(0x7f43cac00000, 138412032 [pid 5068] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12026] munmap(0x7f43cac00000, 138412032 [pid 12025] <... munmap resumed>) = 0 [pid 5068] close(3) = 0 [pid 5068] rmdir("./356") = 0 [pid 5068] mkdir("./357", 0777 [pid 12025] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12026] <... munmap resumed>) = 0 [pid 12026] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12025] <... openat resumed>) = 4 [pid 5068] <... mkdir resumed>) = 0 [pid 12025] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... ioctl resumed>) = 0 [pid 12026] <... openat resumed>) = 4 [pid 12025] <... ioctl resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12026] ioctl(4, LOOP_SET_FD, 3 [pid 12025] close(3 [pid 5071] close(3) = 0 [pid 5068] <... openat resumed>) = 3 [pid 12027] <... write resumed>) = 1048576 [pid 12026] <... ioctl resumed>) = 0 [pid 12025] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] ioctl(3, LOOP_CLR_FD [pid 12027] munmap(0x7f43cac00000, 138412032 [pid 12026] close(3 [pid 12025] close(4./strace-static-x86_64: Process 12028 attached [pid 12027] <... munmap resumed>) = 0 [pid 12026] <... close resumed>) = 0 [pid 12025] <... close resumed>) = 0 [pid 12026] close(4) = 0 [pid 12026] mkdir("./file0", 0777 [pid 12028] set_robust_list(0x555589d386a0, 24) = 0 [pid 12025] mkdir("./file0", 0777 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 12028 [pid 12028] chdir("./364" [pid 12027] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12026] <... mkdir resumed>) = 0 [pid 12026] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12028] <... chdir resumed>) = 0 [pid 12027] <... openat resumed>) = 4 [pid 12025] <... mkdir resumed>) = 0 [ 353.657949][T12025] loop0: detected capacity change from 0 to 2048 [ 353.670734][T12026] loop3: detected capacity change from 0 to 2048 [pid 12025] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12027] ioctl(4, LOOP_SET_FD, 3 [pid 12028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12028] setpgid(0, 0 [pid 12027] <... ioctl resumed>) = 0 [pid 12027] close(3) = 0 [pid 12027] close(4 [pid 12028] <... setpgid resumed>) = 0 [pid 12027] <... close resumed>) = 0 [pid 12028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12027] mkdir("./file0", 0777) = 0 [pid 12028] <... openat resumed>) = 3 [pid 12028] write(3, "1000", 4) = 4 [pid 12027] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12028] close(3) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 12028] symlink("/dev/binderfs", "./binderfs") = 0 [ 353.708348][T12026] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 353.717120][T12027] loop2: detected capacity change from 0 to 2048 [ 353.725972][T12025] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12028] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] close(3 [pid 12028] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5068] <... close resumed>) = 0 [pid 12028] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12028] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 12029 ./strace-static-x86_64: Process 12029 attached [pid 12028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12029] set_robust_list(0x555589d386a0, 24 [pid 12028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12026] <... mount resumed>) = 0 [pid 12028] <... mmap resumed>) = 0x7f43d3147000 [pid 12026] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12029] <... set_robust_list resumed>) = 0 [pid 12028] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12026] <... openat resumed>) = 3 [pid 12028] <... mprotect resumed>) = 0 [pid 12026] chdir("./file0" [pid 12029] chdir("./357") = 0 [pid 12028] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12026] <... chdir resumed>) = 0 [pid 12028] <... rt_sigprocmask resumed>[], 8) = 0 [ 353.763828][T12027] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 353.785770][T12030] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12026] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12028] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12027] <... mount resumed>) = 0 [pid 12026] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 12032 attached [pid 12027] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12026] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12032] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12029] <... prctl resumed>) = 0 [pid 12028] <... clone3 resumed> => {parent_tid=[12032]}, 88) = 12032 [pid 12027] <... openat resumed>) = 3 [pid 12026] <... futex resumed>) = 1 [pid 12032] <... rseq resumed>) = 0 [pid 12028] rt_sigprocmask(SIG_SETMASK, [], [pid 12027] chdir("./file0" [pid 12026] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12032] set_robust_list(0x7f43d31679a0, 24 [pid 12028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12027] <... chdir resumed>) = 0 [pid 12032] <... set_robust_list resumed>) = 0 [pid 12028] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12027] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12032] rt_sigprocmask(SIG_SETMASK, [], [pid 12029] setpgid(0, 0 [pid 12028] <... futex resumed>) = 0 [pid 12027] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12023] <... futex resumed>) = 0 [pid 12032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12029] <... setpgid resumed>) = 0 [pid 12028] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12023] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12032] memfd_create("syzkaller", 0 [pid 12029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12027] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12032] <... memfd_create resumed>) = 3 [pid 12029] <... openat resumed>) = 3 [pid 12027] <... futex resumed>) = 1 [pid 12025] <... mount resumed>) = 0 [pid 12024] <... futex resumed>) = 0 [pid 12023] <... futex resumed>) = 1 [pid 12032] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12029] write(3, "1000", 4 [pid 12027] truncate("./file2", 0 [pid 12025] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12024] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12023] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12032] <... mmap resumed>) = 0x7f43cac00000 [pid 12029] <... write resumed>) = 4 [pid 12026] <... futex resumed>) = 0 [pid 12025] <... openat resumed>) = 3 [pid 12024] <... futex resumed>) = 0 [pid 12029] close(3) = 0 [pid 12029] symlink("/dev/binderfs", "./binderfs") = 0 [pid 12029] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12024] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12026] truncate("./file2", 0 [pid 12025] chdir("./file0" [pid 12029] <... futex resumed>) = 0 [pid 12029] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12025] <... chdir resumed>) = 0 [pid 12029] <... rt_sigaction resumed>NULL, 8) = 0 [ 353.805239][T12031] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 353.823672][T12033] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 353.843142][T12027] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 12025] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12029] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 12029] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12029] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 12034 attached => {parent_tid=[12034]}, 88) = 12034 [pid 12034] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12029] rt_sigprocmask(SIG_SETMASK, [], [pid 12034] <... rseq resumed>) = 0 [pid 12029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12034] set_robust_list(0x7f43d31679a0, 24 [pid 12029] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12034] <... set_robust_list resumed>) = 0 [pid 12029] <... futex resumed>) = 0 [pid 12034] rt_sigprocmask(SIG_SETMASK, [], [pid 12029] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12034] memfd_create("syzkaller", 0 [pid 12025] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12034] <... memfd_create resumed>) = 3 [pid 12025] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12034] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12025] <... futex resumed>) = 1 [pid 12034] <... mmap resumed>) = 0x7f43cac00000 [pid 12025] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12032] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12022] <... futex resumed>) = 0 [pid 12034] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12023] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12022] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12022] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12023] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12025] <... futex resumed>) = 0 [pid 12025] truncate("./file2", 0 [pid 12023] <... futex resumed>) = 0 [pid 12024] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12024] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12023] <... mmap resumed>) = 0x7f43d3126000 [pid 12024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12023] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12024] <... mmap resumed>) = 0x7f43d3126000 [ 353.861778][T12026] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 353.880535][T12027] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 353.883450][T12026] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 12024] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12024] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 12035 attached [pid 12035] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12024] <... clone3 resumed> => {parent_tid=[12035]}, 88) = 12035 [pid 12035] <... rseq resumed>) = 0 [pid 12024] rt_sigprocmask(SIG_SETMASK, [], [pid 12035] set_robust_list(0x7f43d31469a0, 24 [pid 12024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12035] <... set_robust_list resumed>) = 0 [pid 12024] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12035] rt_sigprocmask(SIG_SETMASK, [], [pid 12024] <... futex resumed>) = 0 [pid 12035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12024] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12035] fspick(AT_FDCWD, ".", 0) = 4 [pid 12035] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12024] <... futex resumed>) = 0 [pid 12023] <... mprotect resumed>) = 0 [pid 12024] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12032] <... write resumed>) = 1048576 [pid 12023] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12035] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12024] <... futex resumed>) = 0 [pid 12024] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12034] <... write resumed>) = 1048576 [pid 12023] <... rt_sigprocmask resumed>[], 8) = 0 [ 353.912012][T12025] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 353.926030][T12027] Remounting filesystem read-only [ 353.928835][T12026] Remounting filesystem read-only [ 353.937115][T12025] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 353.938510][T12027] NILFS (loop2): error -5 truncating bmap (ino=16) [ 353.952491][T12025] Remounting filesystem read-only [ 353.957252][T12034] loop1: detected capacity change from 0 to 2048 [pid 12032] munmap(0x7f43cac00000, 138412032 [pid 12034] munmap(0x7f43cac00000, 138412032 [pid 12032] <... munmap resumed>) = 0 [pid 12023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12034] <... munmap resumed>) = 0 [pid 12034] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12034] ioctl(4, LOOP_SET_FD, 3 [pid 12032] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12022] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 12036 attached [pid 12036] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 12036] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 12036] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12036] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12032] <... openat resumed>) = 4 [pid 12026] <... truncate resumed>) = 0 [pid 12023] <... clone3 resumed> => {parent_tid=[12036]}, 88) = 12036 [pid 12022] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12025] <... truncate resumed>) = 0 [pid 12034] <... ioctl resumed>) = 0 [pid 12032] ioctl(4, LOOP_SET_FD, 3 [pid 12027] <... truncate resumed>) = 0 [pid 12025] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12023] rt_sigprocmask(SIG_SETMASK, [], [pid 12022] <... futex resumed>) = 0 [pid 12035] <... fsconfig resumed>) = 0 [pid 12026] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12024] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12035] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12026] <... futex resumed>) = 0 [pid 12035] <... futex resumed>) = 0 [pid 12026] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12035] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12034] close(3 [pid 12032] <... ioctl resumed>) = 0 [pid 12027] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12025] <... futex resumed>) = 0 [pid 12023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12034] <... close resumed>) = 0 [pid 12032] close(3 [pid 12027] <... futex resumed>) = 0 [pid 12025] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12024] exit_group(0 [pid 12023] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12022] <... mmap resumed>) = 0x7f43d3126000 [pid 12036] <... futex resumed>) = 0 [pid 12035] <... futex resumed>) = ? [pid 12034] close(4 [pid 12032] <... close resumed>) = 0 [pid 12024] <... exit_group resumed>) = ? [pid 12023] <... futex resumed>) = 1 [pid 12022] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12036] fspick(AT_FDCWD, ".", 0 [pid 12035] +++ exited with 0 +++ [pid 12034] <... close resumed>) = 0 [pid 12032] close(4 [pid 12027] +++ exited with 0 +++ [pid 12023] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12022] <... mprotect resumed>) = 0 [pid 12034] mkdir("./file0", 0777 [pid 12032] <... close resumed>) = 0 [pid 12022] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12036] <... fspick resumed>) = 4 [pid 12034] <... mkdir resumed>) = 0 [pid 12032] mkdir("./file0", 0777 [pid 12024] +++ exited with 0 +++ [pid 12022] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12036] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12024, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 12036] <... futex resumed>) = 1 [pid 12023] <... futex resumed>) = 0 [pid 12022] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12036] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12023] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12026] <... futex resumed>) = 0 [pid 12023] <... futex resumed>) = 1 [pid 12026] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12023] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12034] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12026] <... fsconfig resumed>) = 0 [pid 12026] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12023] <... futex resumed>) = 0 [pid 12026] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12023] exit_group(0 [pid 12036] <... futex resumed>) = ? [pid 12026] <... futex resumed>) = ? [pid 12023] <... exit_group resumed>) = ? [ 353.959354][T12025] NILFS (loop0): error -5 truncating bmap (ino=16) [ 353.970222][T12026] NILFS (loop3): error -5 truncating bmap (ino=16) [ 353.979740][T12035] NILFS (loop2): mounting fs with errors [ 353.981101][T12032] loop4: detected capacity change from 0 to 2048 [ 354.002242][T12026] NILFS (loop3): mounting fs with errors ./strace-static-x86_64: Process 12037 attached [pid 12036] +++ exited with 0 +++ [pid 12032] <... mkdir resumed>) = 0 [pid 12026] +++ exited with 0 +++ [pid 12023] +++ exited with 0 +++ [pid 12032] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12022] <... clone3 resumed> => {parent_tid=[12037]}, 88) = 12037 [pid 12022] rt_sigprocmask(SIG_SETMASK, [], [pid 12037] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12023, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 12022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12037] <... rseq resumed>) = 0 [pid 12022] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12037] set_robust_list(0x7f43d31469a0, 24 [pid 12022] <... futex resumed>) = 0 [pid 12037] <... set_robust_list resumed>) = 0 [pid 12022] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] umount2("./360", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12037] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./360", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] openat(AT_FDCWD, "./360", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12037] fspick(AT_FDCWD, ".", 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12037] <... fspick resumed>) = 4 [pid 5070] newfstatat(3, "", [pid 5069] openat(AT_FDCWD, "./360", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12037] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12037] <... futex resumed>) = 1 [pid 5070] getdents64(3, [pid 5069] <... openat resumed>) = 3 [pid 5069] newfstatat(3, "", [pid 12022] <... futex resumed>) = 0 [pid 12037] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./360/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./360/binderfs", [pid 12022] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12025] <... futex resumed>) = 0 [pid 12025] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12022] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] unlink("./360/binderfs" [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5070] umount2("./360/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./360/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./360/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] unlink("./360/binderfs") = 0 [ 354.013321][T12034] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 354.029014][T12032] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 354.043518][T12025] NILFS (loop0): mounting fs with errors [pid 5069] umount2("./360/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12025] <... fsconfig resumed>) = 0 [pid 12025] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12025] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12034] <... mount resumed>) = 0 [pid 12034] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12032] <... mount resumed>) = 0 [pid 12022] <... futex resumed>) = 0 [pid 12034] <... openat resumed>) = 3 [pid 12034] chdir("./file0") = 0 [pid 12034] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12034] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12029] <... futex resumed>) = 0 [pid 12029] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12029] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12034] <... futex resumed>) = 1 [pid 12034] truncate("./file2", 0 [pid 12032] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12022] exit_group(0 [pid 12032] <... openat resumed>) = 3 [pid 12037] <... futex resumed>) = ? [pid 12022] <... exit_group resumed>) = ? [pid 12037] +++ exited with 0 +++ [pid 12032] chdir("./file0") = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 12032] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12032] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12025] <... futex resumed>) = ? [pid 5070] umount2("./360/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./360/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12032] <... futex resumed>) = 1 [pid 12032] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12028] <... futex resumed>) = 0 [pid 5070] umount2("./360/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 12032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12028] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] openat(AT_FDCWD, "./360/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12025] +++ exited with 0 +++ [pid 12022] +++ exited with 0 +++ [pid 12032] truncate("./file2", 0 [pid 12028] <... futex resumed>) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12022, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 12028] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] newfstatat(4, "", [pid 5067] <... restart_syscall resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] umount2("./361", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./361", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] getdents64(4, [pid 5067] <... openat resumed>) = 3 [pid 5067] newfstatat(3, "", [pid 5069] <... umount2 resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./360/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./361/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./361/binderfs", [pid 5069] newfstatat(AT_FDCWD, "./360/file0", [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./361/binderfs") = 0 [pid 5067] umount2("./361/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 354.062473][T12038] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 354.078621][T12039] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 354.099449][T12034] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 5069] umount2("./360/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./360/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12029] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] getdents64(4, [pid 12029] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12029] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12029] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5069] getdents64(4, [pid 12029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, [pid 12029] <... clone3 resumed> => {parent_tid=[12040]}, 88) = 12040 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 12029] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] close(4 [pid 12029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... close resumed>) = 0 [pid 12029] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5069] rmdir("./360/file0" [pid 12029] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... rmdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(3, ./strace-static-x86_64: Process 12040 attached [pid 5070] close(4 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12040] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 5069] close(3 [pid 5070] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./360" [pid 12040] set_robust_list(0x7f43d31469a0, 24 [pid 5070] rmdir("./360/file0" [pid 5069] <... rmdir resumed>) = 0 [pid 12040] <... set_robust_list resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 12040] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] getdents64(3, [pid 12040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12040] fspick(AT_FDCWD, ".", 0 [pid 5070] close(3 [pid 12040] <... fspick resumed>) = 4 [pid 5070] <... close resumed>) = 0 [pid 12040] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] rmdir("./360" [pid 12040] <... futex resumed>) = 1 [pid 12029] <... futex resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] mkdir("./361", 0777 [pid 12040] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12029] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12028] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] mkdir("./361", 0777 [pid 12040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12029] <... futex resumed>) = 0 [pid 12028] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... mkdir resumed>) = 0 [pid 12040] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12029] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12028] <... futex resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... mkdir resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 12028] <... mmap resumed>) = 0x7f43d3126000 [pid 12028] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [ 354.126778][T12032] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 354.129968][T12034] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 354.144673][T12032] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 354.160905][T12034] Remounting filesystem read-only [ 354.166193][T12032] Remounting filesystem read-only [pid 12028] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 12034] <... truncate resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 12034] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12032] <... truncate resumed>) = 0 [pid 12028] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 12034] <... futex resumed>) = 0 [pid 12034] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12032] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12028] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5067] umount2("./361/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12032] <... futex resumed>) = 0 [pid 12032] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12028] <... clone3 resumed> => {parent_tid=[12041]}, 88) = 12041 [pid 5067] newfstatat(AT_FDCWD, "./361/file0", [pid 12028] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12028] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12028] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12041 attached [pid 12040] <... fsconfig resumed>) = 0 [pid 5067] umount2("./361/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12041] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12040] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12041] <... rseq resumed>) = 0 [pid 12040] <... futex resumed>) = 1 [pid 12029] <... futex resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12029] exit_group(0 [pid 12041] set_robust_list(0x7f43d31469a0, 24 [pid 12034] <... futex resumed>) = ? [pid 12029] <... exit_group resumed>) = ? [pid 5067] openat(AT_FDCWD, "./361/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12041] <... set_robust_list resumed>) = 0 [pid 12040] +++ exited with 0 +++ [pid 12034] +++ exited with 0 +++ [pid 5067] <... openat resumed>) = 4 [pid 12041] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] newfstatat(4, "", [pid 12041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12041] fspick(AT_FDCWD, ".", 0 [pid 5067] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, [pid 12041] <... fspick resumed>) = 4 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4 [pid 12041] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... close resumed>) = 0 [pid 12041] <... futex resumed>) = 1 [pid 5067] rmdir("./361/file0" [pid 12041] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] <... rmdir resumed>) = 0 [pid 12028] <... futex resumed>) = 0 [pid 12028] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 354.172619][T12034] NILFS (loop1): error -5 truncating bmap (ino=16) [ 354.177548][T12032] NILFS (loop4): error -5 truncating bmap (ino=16) [ 354.188270][T12040] NILFS (loop1): mounting fs with errors [pid 5067] getdents64(3, [pid 12032] <... futex resumed>) = 0 [pid 12029] +++ exited with 0 +++ [pid 12028] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... ioctl resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12029, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5069] close(3 [pid 5067] close(3 [pid 5068] umount2("./357", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... close resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] rmdir("./361" [pid 5069] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./357", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... openat resumed>) = 3 [pid 5067] <... rmdir resumed>) = 0 [pid 5068] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./357/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 12032] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5068] newfstatat(AT_FDCWD, "./357/binderfs", ./strace-static-x86_64: Process 12042 attached [pid 5070] close(3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] mkdir("./362", 0777 [pid 12042] set_robust_list(0x555589d386a0, 24 [pid 5070] <... close resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 12042 [pid 5068] unlink("./357/binderfs" [pid 12042] <... set_robust_list resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12042] chdir("./361" [pid 5068] <... unlink resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12042] <... chdir resumed>) = 0 [pid 5068] umount2("./357/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 3 [pid 12042] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 12043 attached ) = 0 [pid 12032] <... fsconfig resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 12042] setpgid(0, 0) = 0 [pid 12043] set_robust_list(0x555589d386a0, 24 [pid 12032] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 12043 [pid 5068] umount2("./357/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12032] <... futex resumed>) = 1 [pid 12028] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12032] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12028] exit_group(0 [pid 12041] <... futex resumed>) = ? [pid 12032] <... futex resumed>) = ? [pid 12028] <... exit_group resumed>) = ? [pid 5068] newfstatat(AT_FDCWD, "./357/file0", [pid 12032] +++ exited with 0 +++ [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] umount2("./357/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./357/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5068] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 12043] <... set_robust_list resumed>) = 0 [pid 5068] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 12043] chdir("./361" [pid 12042] <... openat resumed>) = 3 [pid 5068] close(4 [pid 12043] <... chdir resumed>) = 0 [pid 12042] write(3, "1000", 4 [pid 5068] <... close resumed>) = 0 [pid 12043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12042] <... write resumed>) = 4 [pid 12041] +++ exited with 0 +++ [pid 12028] +++ exited with 0 +++ [pid 5068] rmdir("./357/file0" [pid 12043] <... prctl resumed>) = 0 [pid 12042] close(3 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12028, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5068] <... rmdir resumed>) = 0 [pid 12043] setpgid(0, 0 [pid 12042] <... close resumed>) = 0 [pid 5068] getdents64(3, [pid 12043] <... setpgid resumed>) = 0 [pid 12042] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12042] <... symlink resumed>) = 0 [pid 5071] umount2("./364", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] close(3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... close resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./364", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] rmdir("./357" [pid 12043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12042] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... openat resumed>) = 3 [pid 5071] newfstatat(3, "", [pid 5068] <... rmdir resumed>) = 0 [pid 12043] <... openat resumed>) = 3 [pid 12042] <... futex resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12042] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5071] getdents64(3, [pid 5068] mkdir("./358", 0777 [pid 12043] write(3, "1000", 4 [pid 12042] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12043] <... write resumed>) = 4 [pid 12042] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [ 354.251865][T12032] NILFS (loop4): mounting fs with errors [pid 5071] umount2("./364/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... mkdir resumed>) = 0 [pid 12043] close(3 [pid 12042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./364/binderfs", [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5071] unlink("./364/binderfs" [pid 12043] <... close resumed>) = 0 [pid 12042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] <... unlink resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 12043] symlink("/dev/binderfs", "./binderfs" [pid 12042] <... mmap resumed>) = 0x7f43d3147000 [pid 5071] umount2("./364/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12043] <... symlink resumed>) = 0 [pid 12042] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12042] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12043] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12042] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12043] <... futex resumed>) = 0 [pid 12043] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12042] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12043] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12042] <... clone3 resumed> => {parent_tid=[12044]}, 88) = 12044 ./strace-static-x86_64: Process 12044 attached [pid 12043] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12042] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12042] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12044] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12043] <... mmap resumed>) = 0x7f43d3147000 [pid 12042] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 12044] <... rseq resumed>) = 0 [pid 12043] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12042] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12044] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 12044] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12044] memfd_create("syzkaller", 0 [pid 12043] <... mprotect resumed>) = 0 [pid 5071] umount2("./364/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... ioctl resumed>) = 0 [pid 12043] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] close(3 [pid 12044] <... memfd_create resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12044] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12043] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 12045 attached [pid 12044] <... mmap resumed>) = 0x7f43cac00000 [pid 12043] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5071] newfstatat(AT_FDCWD, "./364/file0", ./strace-static-x86_64: Process 12046 attached [pid 12045] set_robust_list(0x555589d386a0, 24 [pid 12044] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12045] <... set_robust_list resumed>) = 0 [pid 5071] umount2("./364/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 12045 [pid 12046] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 12045] chdir("./362" [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12045] <... chdir resumed>) = 0 [pid 12046] set_robust_list(0x7f43d31679a0, 24 [pid 12043] <... clone3 resumed> => {parent_tid=[12046]}, 88) = 12046 [pid 5071] openat(AT_FDCWD, "./364/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12043] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] <... openat resumed>) = 4 [pid 12045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] newfstatat(4, "", [pid 12045] <... prctl resumed>) = 0 [pid 12043] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12045] setpgid(0, 0 [pid 12043] <... futex resumed>) = 0 [pid 5071] getdents64(4, [pid 12045] <... setpgid resumed>) = 0 [pid 12043] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 12045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 12045] <... openat resumed>) = 3 [pid 5071] close(4) = 0 [pid 5071] rmdir("./364/file0") = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 12046] <... set_robust_list resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 12046] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12045] write(3, "1000", 4 [pid 12046] memfd_create("syzkaller", 0 [pid 12045] <... write resumed>) = 4 [pid 5071] rmdir("./364" [pid 12046] <... memfd_create resumed>) = 3 [pid 12045] close(3) = 0 [pid 12046] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12045] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... rmdir resumed>) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 12046] <... mmap resumed>) = 0x7f43cac00000 [pid 12045] <... symlink resumed>) = 0 [pid 12045] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12045] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 12045] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 12045] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5071] mkdir("./365", 0777 [pid 12045] <... mprotect resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 12045] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12046] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576./strace-static-x86_64: Process 12047 attached [pid 12045] <... clone3 resumed> => {parent_tid=[12047]}, 88) = 12047 [pid 5071] <... openat resumed>) = 3 [pid 12047] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 12047] set_robust_list(0x7f43d31679a0, 24 [pid 12045] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5068] close(3 [pid 12047] <... set_robust_list resumed>) = 0 [pid 12045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12047] rt_sigprocmask(SIG_SETMASK, [], [pid 12045] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 12047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12045] <... futex resumed>) = 0 [pid 12047] memfd_create("syzkaller", 0 [pid 12045] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12044] <... write resumed>) = 1048576 [pid 12047] <... memfd_create resumed>) = 3 [pid 12047] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555589d38690) = 12048 ./strace-static-x86_64: Process 12048 attached [pid 12048] set_robust_list(0x555589d386a0, 24) = 0 [pid 12044] munmap(0x7f43cac00000, 138412032 [pid 12048] chdir("./358" [pid 12047] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12044] <... munmap resumed>) = 0 [pid 12048] <... chdir resumed>) = 0 [pid 12048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12048] setpgid(0, 0) = 0 [pid 12048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12048] write(3, "1000", 4 [pid 12044] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12048] <... write resumed>) = 4 [pid 12044] <... openat resumed>) = 4 [pid 12048] close(3 [pid 12044] ioctl(4, LOOP_SET_FD, 3 [pid 12048] <... close resumed>) = 0 [pid 12044] <... ioctl resumed>) = 0 [pid 12048] symlink("/dev/binderfs", "./binderfs") = 0 [pid 12048] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12046] <... write resumed>) = 1048576 [pid 12048] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 12048] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] <... ioctl resumed>) = 0 [pid 12048] <... mmap resumed>) = 0x7f43d3147000 [pid 12046] munmap(0x7f43cac00000, 138412032 [pid 12048] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12044] close(3 [pid 12048] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12046] <... munmap resumed>) = 0 [pid 12044] <... close resumed>) = 0 [pid 12048] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12044] close(4 [pid 12048] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12044] <... close resumed>) = 0 [pid 12048] <... clone3 resumed> => {parent_tid=[12049]}, 88) = 12049 [pid 12044] mkdir("./file0", 0777) = 0 [pid 12048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12048] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12044] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, ""./strace-static-x86_64: Process 12049 attached [pid 12048] <... futex resumed>) = 0 [pid 12049] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12048] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12049] <... rseq resumed>) = 0 [pid 12049] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 12049] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 354.411156][T12044] loop2: detected capacity change from 0 to 2048 [pid 12049] memfd_create("syzkaller", 0 [pid 12046] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12049] <... memfd_create resumed>) = 3 [pid 12046] <... openat resumed>) = 4 [pid 12049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12047] <... write resumed>) = 1048576 [pid 12046] ioctl(4, LOOP_SET_FD, 3 [pid 12049] <... mmap resumed>) = 0x7f43cac00000 [pid 12047] munmap(0x7f43cac00000, 138412032 [pid 5071] close(3 [pid 12047] <... munmap resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12049] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 12050 ./strace-static-x86_64: Process 12050 attached [pid 12047] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12050] set_robust_list(0x555589d386a0, 24 [pid 12047] <... openat resumed>) = 4 [pid 12050] <... set_robust_list resumed>) = 0 [pid 12047] ioctl(4, LOOP_SET_FD, 3 [pid 12050] chdir("./365" [pid 12047] <... ioctl resumed>) = 0 [pid 12046] <... ioctl resumed>) = 0 [pid 12046] close(3) = 0 [pid 12046] close(4 [pid 12050] <... chdir resumed>) = 0 [pid 12046] <... close resumed>) = 0 [pid 12050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12046] mkdir("./file0", 0777 [pid 12047] close(3) = 0 [pid 12047] close(4) = 0 [pid 12047] mkdir("./file0", 0777 [pid 12046] <... mkdir resumed>) = 0 [pid 12050] <... prctl resumed>) = 0 [pid 12050] setpgid(0, 0 [pid 12047] <... mkdir resumed>) = 0 [pid 12050] <... setpgid resumed>) = 0 [ 354.452039][T12044] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 354.464449][T12046] loop3: detected capacity change from 0 to 2048 [ 354.479556][T12047] loop0: detected capacity change from 0 to 2048 [pid 12050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12047] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12050] <... openat resumed>) = 3 [pid 12050] write(3, "1000", 4) = 4 [pid 12050] close(3) = 0 [pid 12050] symlink("/dev/binderfs", "./binderfs") = 0 [pid 12050] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12046] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12050] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12049] <... write resumed>) = 1048576 [pid 12049] munmap(0x7f43cac00000, 138412032 [pid 12050] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12049] <... munmap resumed>) = 0 [pid 12050] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12049] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12049] ioctl(4, LOOP_SET_FD, 3 [pid 12050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12049] <... ioctl resumed>) = 0 [pid 12050] <... mmap resumed>) = 0x7f43d3147000 [pid 12044] <... mount resumed>) = 0 [pid 12050] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12049] close(3 [pid 12044] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12049] <... close resumed>) = 0 [pid 12044] <... openat resumed>) = 3 [pid 12050] <... mprotect resumed>) = 0 [pid 12049] close(4 [pid 12044] chdir("./file0" [pid 12049] <... close resumed>) = 0 [pid 12044] <... chdir resumed>) = 0 [pid 12050] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12049] mkdir("./file0", 0777 [ 354.515094][T12047] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 354.531291][T12051] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 354.535262][T12049] loop1: detected capacity change from 0 to 2048 [ 354.551294][T12046] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12044] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12050] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12049] <... mkdir resumed>) = 0 [pid 12044] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12044] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12047] <... mount resumed>) = 0 [pid 12044] <... futex resumed>) = 1 [pid 12042] <... futex resumed>) = 0 [pid 12047] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12044] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12042] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12049] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12047] <... openat resumed>) = 3 [pid 12044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12042] <... futex resumed>) = 0 [pid 12044] truncate("./file2", 0 [pid 12042] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12047] chdir("./file0") = 0 ./strace-static-x86_64: Process 12053 attached [pid 12050] <... clone3 resumed> => {parent_tid=[12053]}, 88) = 12053 [pid 12047] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12046] <... mount resumed>) = 0 [pid 12047] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12047] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12053] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12047] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12053] <... rseq resumed>) = 0 [pid 12053] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 12053] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12045] <... futex resumed>) = 0 [pid 12053] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12045] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12047] <... futex resumed>) = 0 [pid 12045] <... futex resumed>) = 1 [pid 12047] truncate("./file2", 0 [pid 12045] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12050] rt_sigprocmask(SIG_SETMASK, [], [pid 12046] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12050] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 354.571572][T12052] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 354.578220][T12044] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 354.599898][T12049] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 354.605829][T12054] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12046] <... openat resumed>) = 3 [pid 12050] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12046] chdir("./file0" [pid 12050] <... futex resumed>) = 1 [pid 12046] <... chdir resumed>) = 0 [pid 12053] <... futex resumed>) = 0 [pid 12050] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12046] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12042] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12053] memfd_create("syzkaller", 0 [pid 12046] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12042] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12046] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12053] <... memfd_create resumed>) = 3 [pid 12045] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12043] <... futex resumed>) = 0 [pid 12042] <... futex resumed>) = 0 [pid 12053] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12045] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12053] <... mmap resumed>) = 0x7f43cac00000 [pid 12045] <... futex resumed>) = 0 [pid 12042] <... mmap resumed>) = 0x7f43d3126000 [pid 12045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12042] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12045] <... mmap resumed>) = 0x7f43d3126000 [ 354.623223][T12047] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 354.647560][T12044] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 354.663199][T12047] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 12042] <... mprotect resumed>) = 0 [pid 12046] truncate("./file2", 0 [pid 12045] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12043] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12045] <... mprotect resumed>) = 0 [pid 12042] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12045] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12042] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12045] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12042] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[12057]}, 88) = 12057 [pid 12045] rt_sigprocmask(SIG_SETMASK, [], [pid 12042] <... clone3 resumed> => {parent_tid=[12056]}, 88) = 12056 ./strace-static-x86_64: Process 12056 attached [pid 12045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12042] rt_sigprocmask(SIG_SETMASK, [], [pid 12056] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12045] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12056] <... rseq resumed>) = 0 [pid 12045] <... futex resumed>) = 0 [pid 12042] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12056] set_robust_list(0x7f43d31469a0, 24 [pid 12045] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12042] <... futex resumed>) = 0 [pid 12056] <... set_robust_list resumed>) = 0 [pid 12042] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12056] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 12057 attached NULL, 8) = 0 [pid 12057] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12056] fspick(AT_FDCWD, ".", 0) = 4 [pid 12053] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12057] <... rseq resumed>) = 0 [pid 12056] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12049] <... mount resumed>) = 0 [pid 12056] <... futex resumed>) = 1 [pid 12049] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12042] <... futex resumed>) = 0 [pid 12049] <... openat resumed>) = 3 [pid 12042] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12057] set_robust_list(0x7f43d31469a0, 24 [pid 12056] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12049] chdir("./file0" [pid 12042] <... futex resumed>) = 0 [pid 12049] <... chdir resumed>) = 0 [pid 12042] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12057] <... set_robust_list resumed>) = 0 [ 354.687480][T12055] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 354.687815][T12046] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 354.710757][T12046] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 354.714347][T12047] Remounting filesystem read-only [ 354.729562][T12047] NILFS (loop0): error -5 truncating bmap (ino=16) [pid 12049] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12057] rt_sigprocmask(SIG_SETMASK, [], [pid 12053] <... write resumed>) = 1048576 [pid 12049] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12047] <... truncate resumed>) = 0 [pid 12046] <... truncate resumed>) = 0 [pid 12043] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12047] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12046] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12047] <... futex resumed>) = 0 [pid 12046] <... futex resumed>) = 0 [pid 12047] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12046] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12053] munmap(0x7f43cac00000, 138412032 [pid 12057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12053] <... munmap resumed>) = 0 [pid 12049] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12053] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12057] fspick(AT_FDCWD, ".", 0 [pid 12049] <... futex resumed>) = 1 [pid 12048] <... futex resumed>) = 0 [pid 12045] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12044] <... truncate resumed>) = 0 [pid 12043] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12056] <... fsconfig resumed>) = 0 [pid 12045] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12044] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12057] <... fspick resumed>) = 4 [pid 12053] <... openat resumed>) = 4 [pid 12049] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12048] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12043] <... futex resumed>) = 1 [pid 12046] <... futex resumed>) = 0 [pid 12044] <... futex resumed>) = 0 [pid 12057] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12056] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12053] ioctl(4, LOOP_SET_FD, 3 [pid 12049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12048] <... futex resumed>) = 0 [pid 12047] <... futex resumed>) = 0 [pid 12046] fspick(AT_FDCWD, ".", 0 [pid 12045] <... futex resumed>) = 1 [pid 12044] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12043] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12057] <... futex resumed>) = 0 [pid 12056] <... futex resumed>) = 1 [pid 12042] <... futex resumed>) = 0 [pid 12049] truncate("./file2", 0 [pid 12057] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12056] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12053] <... ioctl resumed>) = 0 [pid 12048] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12047] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12046] <... fspick resumed>) = 4 [pid 12045] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 354.732760][T12046] Remounting filesystem read-only [ 354.736722][T12044] Remounting filesystem read-only [ 354.741792][T12046] NILFS (loop3): error -5 truncating bmap (ino=16) [ 354.754675][T12044] NILFS (loop2): error -5 truncating bmap (ino=16) [ 354.761907][T12056] NILFS (loop2): mounting fs with errors [ 354.772455][T12053] loop4: detected capacity change from 0 to 2048 [pid 12042] exit_group(0 [pid 12053] close(3) = 0 [pid 12053] close(4) = 0 [pid 12053] mkdir("./file0", 0777) = 0 [pid 12053] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12056] <... futex resumed>) = ? [pid 12047] <... fsconfig resumed>) = 0 [pid 12046] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12044] <... futex resumed>) = ? [pid 12042] <... exit_group resumed>) = ? [pid 12047] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12044] +++ exited with 0 +++ [pid 12047] <... futex resumed>) = 1 [pid 12056] +++ exited with 0 +++ [pid 12046] <... futex resumed>) = 1 [pid 12047] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12046] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12045] <... futex resumed>) = 0 [pid 12043] <... futex resumed>) = 0 [pid 12042] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12042, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5069] umount2("./361", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 12045] exit_group(0 [ 354.787821][T12047] NILFS (loop0): mounting fs with errors [ 354.794696][T12049] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 354.807941][T12049] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 354.819129][T12049] Remounting filesystem read-only [ 354.823422][T12046] NILFS (loop3): mounting fs with errors [ 354.824774][T12049] NILFS (loop1): error -5 truncating bmap (ino=16) [pid 12043] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12043] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./361", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12046] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12045] <... exit_group resumed>) = ? [pid 12043] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... openat resumed>) = 3 [pid 12057] <... futex resumed>) = ? [pid 12049] <... truncate resumed>) = 0 [pid 12047] <... futex resumed>) = ? [pid 12049] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12057] +++ exited with 0 +++ [pid 12049] <... futex resumed>) = 1 [pid 12047] +++ exited with 0 +++ [pid 12049] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12048] <... futex resumed>) = 0 [pid 12048] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12049] <... futex resumed>) = 0 [pid 12049] fspick(AT_FDCWD, ".", 0) = 4 [pid 12048] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12049] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12048] <... futex resumed>) = 0 [pid 12049] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12048] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12048] <... futex resumed>) = 0 [pid 12049] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12048] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12045] +++ exited with 0 +++ [pid 5069] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12045, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5069] umount2("./361/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./361/binderfs", [pid 12049] <... fsconfig resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12049] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12048] <... futex resumed>) = 0 [pid 5069] unlink("./361/binderfs" [pid 12049] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12048] exit_group(0 [pid 12049] <... futex resumed>) = ? [pid 12048] <... exit_group resumed>) = ? [pid 5069] <... unlink resumed>) = 0 [pid 12049] +++ exited with 0 +++ [pid 12046] <... fsconfig resumed>) = 0 [pid 5069] umount2("./361/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./362", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12046] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12046] <... futex resumed>) = 1 [pid 12043] <... futex resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./362", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12043] exit_group(0 [pid 12048] +++ exited with 0 +++ [pid 5067] <... openat resumed>) = 3 [pid 12043] <... exit_group resumed>) = ? [pid 5067] newfstatat(3, "", [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12048, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5067] getdents64(3, [pid 12046] +++ exited with 0 +++ [pid 12043] +++ exited with 0 +++ [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./358", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./362/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./358", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] newfstatat(AT_FDCWD, "./362/binderfs", [pid 5068] <... openat resumed>) = 3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] newfstatat(3, "", [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12043, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] unlink("./362/binderfs" [pid 5068] getdents64(3, [pid 5067] <... unlink resumed>) = 0 [pid 5070] umount2("./361", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./358/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "./361", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... openat resumed>) = 3 [pid 5068] newfstatat(AT_FDCWD, "./358/binderfs", [pid 5070] newfstatat(3, "", [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./362/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] unlink("./358/binderfs" [pid 5070] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] <... unlink resumed>) = 0 [ 354.830105][T12053] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 354.853261][T12049] NILFS (loop1): mounting fs with errors [pid 5070] umount2("./361/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./358/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] newfstatat(AT_FDCWD, "./361/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] unlink("./361/binderfs") = 0 [pid 5069] umount2("./361/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12053] <... mount resumed>) = 0 [pid 5070] umount2("./361/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12053] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] newfstatat(AT_FDCWD, "./361/file0", [pid 12053] <... openat resumed>) = 3 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12053] chdir("./file0" [pid 5069] umount2("./361/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12053] <... chdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12053] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] openat(AT_FDCWD, "./361/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12053] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5069] <... openat resumed>) = 4 [pid 12053] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(4, "", [pid 5067] <... umount2 resumed>) = 0 [pid 12053] <... futex resumed>) = 1 [pid 12050] <... futex resumed>) = 0 [pid 12053] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12050] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] umount2("./362/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12050] <... futex resumed>) = 0 [pid 5069] getdents64(4, [pid 12053] truncate("./file2", 0 [pid 12050] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] newfstatat(AT_FDCWD, "./362/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] umount2("./362/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./362/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = 0 [pid 5069] getdents64(4, [pid 5068] umount2("./358/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 354.893060][T12058] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 354.917770][T12053] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 354.931786][T12053] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 5070] umount2("./361/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 4 [pid 5069] close(4 [pid 5068] newfstatat(AT_FDCWD, "./358/file0", [pid 5069] <... close resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] newfstatat(4, "", [pid 5069] rmdir("./361/file0" [pid 5068] umount2("./358/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] getdents64(4, [pid 5068] openat(AT_FDCWD, "./358/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] <... openat resumed>) = 4 [pid 12053] <... truncate resumed>) = 0 [pid 5070] newfstatat(AT_FDCWD, "./361/file0", [pid 5069] getdents64(3, [pid 5067] getdents64(4, [pid 12053] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12050] <... futex resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] newfstatat(4, "", [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 12050] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] umount2("./361/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] close(3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] close(4 [pid 12053] fspick(AT_FDCWD, ".", 0 [pid 12050] <... futex resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... close resumed>) = 0 [pid 12053] <... fspick resumed>) = 4 [pid 12050] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(4, [pid 5067] <... close resumed>) = 0 [pid 12053] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12053] <... futex resumed>) = 0 [pid 12050] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] openat(AT_FDCWD, "./361/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12053] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5069] rmdir("./361" [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] rmdir("./362/file0" [pid 12050] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... openat resumed>) = 4 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] getdents64(4, [pid 5067] <... rmdir resumed>) = 0 [pid 5070] newfstatat(4, "", [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] close(4 [pid 5067] getdents64(3, [pid 5070] getdents64(4, [pid 5069] mkdir("./362", 0777 [pid 5068] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] rmdir("./358/file0" [pid 12053] <... fsconfig resumed>) = 0 [pid 12053] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] getdents64(4, [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] close(3 [pid 12053] <... futex resumed>) = 1 [pid 12050] <... futex resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 12053] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12050] exit_group(0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5067] <... close resumed>) = 0 [pid 12053] <... futex resumed>) = ? [pid 12050] <... exit_group resumed>) = ? [pid 5070] close(4 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] getdents64(3, [pid 5067] rmdir("./362" [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./361/file0") = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5070] getdents64(3, [pid 5068] close(3 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] mkdir("./363", 0777 [pid 5070] rmdir("./361" [pid 5068] rmdir("./358" [pid 12053] +++ exited with 0 +++ [pid 12050] +++ exited with 0 +++ [pid 5070] <... rmdir resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5070] mkdir("./362", 0777 [pid 5067] <... mkdir resumed>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12050, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5068] mkdir("./359", 0777 [pid 5071] umount2("./365", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./365", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... mkdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5067] <... openat resumed>) = 3 [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5068] <... mkdir resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5071] getdents64(3, [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] <... openat resumed>) = 3 [pid 5071] umount2("./365/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./365/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5071] unlink("./365/binderfs") = 0 [pid 5071] umount2("./365/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5071] umount2("./365/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./365/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] umount2("./365/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 354.942902][T12053] Remounting filesystem read-only [ 354.948400][T12053] NILFS (loop4): error -5 truncating bmap (ino=16) [ 354.978773][T12053] NILFS (loop4): mounting fs with errors [pid 5071] openat(AT_FDCWD, "./365/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 5067] <... ioctl resumed>) = 0 [pid 5071] getdents64(4, [pid 5068] <... ioctl resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] close(3 [pid 5069] <... ioctl resumed>) = 0 [pid 5067] close(3 [pid 5071] getdents64(4, [pid 5070] <... close resumed>) = 0 [pid 5069] close(3 [pid 5068] close(3 [pid 5067] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] close(4 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... close resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12059 attached [pid 5071] rmdir("./365/file0"./strace-static-x86_64: Process 12060 attached ) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 12059 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 12060 [pid 12060] set_robust_list(0x555589d386a0, 24 [pid 5071] getdents64(3, [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 12062 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 12061 [pid 12059] set_robust_list(0x555589d386a0, 24 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 12061 attached [pid 12059] <... set_robust_list resumed>) = 0 [pid 5071] close(3./strace-static-x86_64: Process 12062 attached [pid 12060] <... set_robust_list resumed>) = 0 [pid 12059] chdir("./362" [pid 5071] <... close resumed>) = 0 [pid 12062] set_robust_list(0x555589d386a0, 24 [pid 12061] set_robust_list(0x555589d386a0, 24 [pid 12060] chdir("./363" [pid 12059] <... chdir resumed>) = 0 [pid 5071] rmdir("./365" [pid 12062] <... set_robust_list resumed>) = 0 [pid 12061] <... set_robust_list resumed>) = 0 [pid 12060] <... chdir resumed>) = 0 [pid 12059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... rmdir resumed>) = 0 [pid 12062] chdir("./362" [pid 12060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12062] <... chdir resumed>) = 0 [pid 12060] <... prctl resumed>) = 0 [pid 12062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12061] chdir("./359" [pid 12060] setpgid(0, 0 [pid 12059] <... prctl resumed>) = 0 [pid 5071] mkdir("./366", 0777 [pid 12062] <... prctl resumed>) = 0 [pid 12061] <... chdir resumed>) = 0 [pid 12060] <... setpgid resumed>) = 0 [pid 12059] setpgid(0, 0 [pid 12062] setpgid(0, 0 [pid 12061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12062] <... setpgid resumed>) = 0 [pid 12060] <... openat resumed>) = 3 [pid 12062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12060] write(3, "1000", 4) = 4 [pid 12062] write(3, "1000", 4 [pid 12060] close(3 [pid 12062] <... write resumed>) = 4 [pid 12060] <... close resumed>) = 0 [pid 12062] close(3 [pid 12060] symlink("/dev/binderfs", "./binderfs" [pid 12062] <... close resumed>) = 0 [pid 12059] <... setpgid resumed>) = 0 [pid 12062] symlink("/dev/binderfs", "./binderfs" [pid 12061] <... prctl resumed>) = 0 [pid 12061] setpgid(0, 0 [pid 12059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12061] <... setpgid resumed>) = 0 [pid 12059] <... openat resumed>) = 3 [pid 12061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12059] write(3, "1000", 4) = 4 [pid 12061] <... openat resumed>) = 3 [pid 12059] close(3 [pid 12061] write(3, "1000", 4) = 4 [pid 12059] <... close resumed>) = 0 [pid 12061] close(3 [pid 12059] symlink("/dev/binderfs", "./binderfs" [pid 12061] <... close resumed>) = 0 [pid 12061] symlink("/dev/binderfs", "./binderfs" [pid 12062] <... symlink resumed>) = 0 [pid 12060] <... symlink resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 12061] <... symlink resumed>) = 0 [pid 12062] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12060] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12062] <... futex resumed>) = 0 [pid 12060] <... futex resumed>) = 0 [pid 12062] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12060] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5071] <... openat resumed>) = 3 [pid 12062] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12060] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12062] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12061] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12060] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12059] <... symlink resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 12062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12062] <... mmap resumed>) = 0x7f43d3147000 [pid 12060] <... mmap resumed>) = 0x7f43d3147000 [pid 12062] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12060] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12062] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12061] <... futex resumed>) = 0 [pid 12060] <... mprotect resumed>) = 0 [pid 12059] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12062] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12061] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12060] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12059] <... futex resumed>) = 0 [pid 12062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12061] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12059] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, ./strace-static-x86_64: Process 12063 attached [pid 12061] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12060] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12059] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12063] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12062] <... clone3 resumed> => {parent_tid=[12063]}, 88) = 12063 [pid 12061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12059] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12063] <... rseq resumed>) = 0 [pid 12061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12059] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 12064 attached [pid 12062] rt_sigprocmask(SIG_SETMASK, [], [pid 12061] <... mmap resumed>) = 0x7f43d3147000 [pid 12059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12063] set_robust_list(0x7f43d31679a0, 24 [pid 12062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12061] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12060] <... clone3 resumed> => {parent_tid=[12064]}, 88) = 12064 [pid 12059] <... mmap resumed>) = 0x7f43d3147000 [pid 12064] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12063] <... set_robust_list resumed>) = 0 [pid 12062] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12061] <... mprotect resumed>) = 0 [pid 12060] rt_sigprocmask(SIG_SETMASK, [], [pid 12059] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12064] <... rseq resumed>) = 0 [pid 12063] rt_sigprocmask(SIG_SETMASK, [], [pid 12062] <... futex resumed>) = 0 [pid 12061] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12059] <... mprotect resumed>) = 0 [pid 12063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12062] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12061] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12060] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12064] set_robust_list(0x7f43d31679a0, 24 [pid 12063] memfd_create("syzkaller", 0 [pid 12061] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12060] <... futex resumed>) = 0 [pid 12059] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 12065 attached [pid 12064] <... set_robust_list resumed>) = 0 [pid 12063] <... memfd_create resumed>) = 3 [pid 12060] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12059] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12065] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12065] <... rseq resumed>) = 0 [pid 12064] rt_sigprocmask(SIG_SETMASK, [], [pid 12063] <... mmap resumed>) = 0x7f43cac00000 [pid 12061] <... clone3 resumed> => {parent_tid=[12065]}, 88) = 12065 [pid 12059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 12066 attached [pid 12065] set_robust_list(0x7f43d31679a0, 24 [pid 12064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12061] rt_sigprocmask(SIG_SETMASK, [], [pid 12066] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12065] <... set_robust_list resumed>) = 0 [pid 12064] memfd_create("syzkaller", 0 [pid 12061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12059] <... clone3 resumed> => {parent_tid=[12066]}, 88) = 12066 [pid 12066] <... rseq resumed>) = 0 [pid 12065] rt_sigprocmask(SIG_SETMASK, [], [pid 12064] <... memfd_create resumed>) = 3 [pid 12061] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12059] rt_sigprocmask(SIG_SETMASK, [], [pid 12066] set_robust_list(0x7f43d31679a0, 24 [pid 12065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12061] <... futex resumed>) = 0 [pid 12059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12066] <... set_robust_list resumed>) = 0 [pid 12065] memfd_create("syzkaller", 0 [pid 12064] <... mmap resumed>) = 0x7f43cac00000 [pid 12061] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12059] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12066] rt_sigprocmask(SIG_SETMASK, [], [pid 12065] <... memfd_create resumed>) = 3 [pid 12064] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12063] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12059] <... futex resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 12066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12059] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12064] <... write resumed>) = 1048576 [pid 12066] memfd_create("syzkaller", 0 [pid 12065] <... mmap resumed>) = 0x7f43cac00000 [pid 12063] <... write resumed>) = 1048576 [pid 5071] close(3 [pid 12066] <... memfd_create resumed>) = 3 [pid 12064] munmap(0x7f43cac00000, 138412032 [pid 12063] munmap(0x7f43cac00000, 138412032 [pid 5071] <... close resumed>) = 0 [pid 12066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12064] <... munmap resumed>) = 0 [pid 12063] <... munmap resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12066] <... mmap resumed>) = 0x7f43cac00000 [pid 12064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12063] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12064] <... openat resumed>) = 4 [pid 12063] <... openat resumed>) = 4 ./strace-static-x86_64: Process 12067 attached [pid 12064] ioctl(4, LOOP_SET_FD, 3 [pid 12063] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 12067 [pid 12067] set_robust_list(0x555589d386a0, 24 [pid 12066] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12065] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12067] <... set_robust_list resumed>) = 0 [pid 12067] chdir("./366") = 0 [pid 12064] <... ioctl resumed>) = 0 [pid 12063] <... ioctl resumed>) = 0 [pid 12064] close(3 [pid 12063] close(3 [pid 12064] <... close resumed>) = 0 [pid 12063] <... close resumed>) = 0 [pid 12064] close(4 [pid 12063] close(4 [pid 12067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12064] <... close resumed>) = 0 [pid 12063] <... close resumed>) = 0 [pid 12067] <... prctl resumed>) = 0 [pid 12067] setpgid(0, 0) = 0 [pid 12067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12064] mkdir("./file0", 0777 [pid 12063] mkdir("./file0", 0777) = 0 [pid 12064] <... mkdir resumed>) = 0 [pid 12067] write(3, "1000", 4) = 4 [pid 12063] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12064] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12067] close(3) = 0 [pid 12067] symlink("/dev/binderfs", "./binderfs") = 0 [pid 12067] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12065] <... write resumed>) = 1048576 [ 355.208943][T12064] loop0: detected capacity change from 0 to 2048 [ 355.216098][T12063] loop2: detected capacity change from 0 to 2048 [ 355.242995][T12064] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12066] <... write resumed>) = 1048576 [pid 12066] munmap(0x7f43cac00000, 138412032 [pid 12067] <... futex resumed>) = 0 [pid 12067] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 12067] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 12067] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12067] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12065] munmap(0x7f43cac00000, 138412032 [pid 12067] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 12068 attached [pid 12065] <... munmap resumed>) = 0 [pid 12068] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12067] <... clone3 resumed> => {parent_tid=[12068]}, 88) = 12068 [pid 12068] <... rseq resumed>) = 0 [pid 12066] <... munmap resumed>) = 0 [pid 12066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12068] set_robust_list(0x7f43d31679a0, 24 [pid 12067] rt_sigprocmask(SIG_SETMASK, [], [pid 12065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12066] <... openat resumed>) = 4 [pid 12065] <... openat resumed>) = 4 [pid 12067] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12066] ioctl(4, LOOP_SET_FD, 3 [pid 12065] ioctl(4, LOOP_SET_FD, 3 [pid 12066] <... ioctl resumed>) = 0 [pid 12064] <... mount resumed>) = 0 [pid 12068] <... set_robust_list resumed>) = 0 [pid 12067] <... futex resumed>) = 0 [pid 12068] rt_sigprocmask(SIG_SETMASK, [], [pid 12067] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12068] memfd_create("syzkaller", 0) = 3 [pid 12066] close(3 [pid 12064] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 12068] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [ 355.257004][T12063] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 355.272731][T12065] loop1: detected capacity change from 0 to 2048 [ 355.272741][T12066] loop3: detected capacity change from 0 to 2048 [ 355.279392][T12069] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 355.288921][T12070] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12066] <... close resumed>) = 0 [pid 12065] <... ioctl resumed>) = 0 [pid 12064] <... openat resumed>) = 3 [pid 12063] <... mount resumed>) = 0 [pid 12066] close(4 [pid 12064] chdir("./file0" [pid 12063] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12066] <... close resumed>) = 0 [pid 12066] mkdir("./file0", 0777 [pid 12064] <... chdir resumed>) = 0 [pid 12063] <... openat resumed>) = 3 [pid 12066] <... mkdir resumed>) = 0 [pid 12064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12063] chdir("./file0" [pid 12064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12066] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12064] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12063] <... chdir resumed>) = 0 [pid 12063] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12064] <... futex resumed>) = 1 [pid 12063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12064] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12063] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12060] <... futex resumed>) = 0 [pid 12060] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12060] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12063] <... futex resumed>) = 1 [pid 12064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12064] truncate("./file2", 0 [pid 12063] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12062] <... futex resumed>) = 0 [pid 12065] close(3 [pid 12062] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12065] <... close resumed>) = 0 [pid 12063] <... futex resumed>) = 0 [pid 12062] <... futex resumed>) = 1 [pid 12065] close(4 [pid 12063] truncate("./file2", 0 [pid 12062] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12065] <... close resumed>) = 0 [pid 12065] mkdir("./file0", 0777) = 0 [ 355.327036][T12066] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 355.342061][T12063] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 355.353318][T12065] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 355.361239][T12064] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 12065] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12060] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12060] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12068] <... write resumed>) = 1048576 [pid 12060] <... mmap resumed>) = 0x7f43d3126000 [pid 12068] munmap(0x7f43cac00000, 138412032 [pid 12062] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12060] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12062] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12060] <... mprotect resumed>) = 0 [pid 12062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12062] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12060] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12068] <... munmap resumed>) = 0 [pid 12062] <... mprotect resumed>) = 0 [pid 12062] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12060] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 12071 attached [pid 12071] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12062] <... clone3 resumed> => {parent_tid=[12071]}, 88) = 12071 [pid 12060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12062] rt_sigprocmask(SIG_SETMASK, [], [pid 12068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12062] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 12072 attached [pid 12071] <... rseq resumed>) = 0 [pid 12068] <... openat resumed>) = 4 [pid 12062] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12060] <... clone3 resumed> => {parent_tid=[12072]}, 88) = 12072 [pid 12072] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12071] set_robust_list(0x7f43d31469a0, 24 [pid 12062] <... futex resumed>) = 0 [pid 12060] rt_sigprocmask(SIG_SETMASK, [], [pid 12072] <... rseq resumed>) = 0 [pid 12071] <... set_robust_list resumed>) = 0 [ 355.373627][T12063] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 355.396915][T12064] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 355.414290][T12064] Remounting filesystem read-only [ 355.422641][T12063] Remounting filesystem read-only [pid 12062] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12072] set_robust_list(0x7f43d31469a0, 24 [pid 12071] rt_sigprocmask(SIG_SETMASK, [], [pid 12068] ioctl(4, LOOP_SET_FD, 3 [pid 12072] <... set_robust_list resumed>) = 0 [pid 12071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12060] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12071] fspick(AT_FDCWD, ".", 0) = 4 [pid 12071] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12071] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12072] rt_sigprocmask(SIG_SETMASK, [], [pid 12062] <... futex resumed>) = 0 [pid 12060] <... futex resumed>) = 0 [pid 12062] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12071] <... futex resumed>) = 0 [pid 12062] <... futex resumed>) = 1 [pid 12071] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12060] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12062] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12072] fspick(AT_FDCWD, ".", 0) = 4 [pid 12068] <... ioctl resumed>) = 0 [pid 12072] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12064] <... truncate resumed>) = 0 [pid 12072] <... futex resumed>) = 1 [pid 12060] <... futex resumed>) = 0 [ 355.425355][T12068] loop4: detected capacity change from 0 to 2048 [ 355.428357][T12063] NILFS (loop2): error -5 truncating bmap (ino=16) [ 355.441464][T12064] NILFS (loop0): error -5 truncating bmap (ino=16) [ 355.448516][T12073] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 355.451869][T12071] NILFS (loop2): mounting fs with errors [ 355.459322][T12074] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12072] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12071] <... fsconfig resumed>) = 0 [pid 12068] close(3 [pid 12066] <... mount resumed>) = 0 [pid 12065] <... mount resumed>) = 0 [pid 12064] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12063] <... truncate resumed>) = 0 [pid 12060] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12071] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12068] <... close resumed>) = 0 [pid 12066] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12065] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12066] <... openat resumed>) = 3 [pid 12065] <... openat resumed>) = 3 [pid 12066] chdir("./file0" [pid 12065] chdir("./file0" [pid 12066] <... chdir resumed>) = 0 [pid 12065] <... chdir resumed>) = 0 [pid 12066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12066] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12065] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12066] <... futex resumed>) = 1 [pid 12065] <... futex resumed>) = 1 [pid 12066] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12065] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12061] <... futex resumed>) = 0 [pid 12071] <... futex resumed>) = 1 [pid 12068] close(4 [pid 12063] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12062] <... futex resumed>) = 0 [pid 12061] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12064] <... futex resumed>) = 0 [pid 12060] <... futex resumed>) = 0 [pid 12059] <... futex resumed>) = 0 [pid 12068] <... close resumed>) = 0 [pid 12065] <... futex resumed>) = 0 [pid 12063] <... futex resumed>) = 0 [pid 12062] exit_group(0 [pid 12061] <... futex resumed>) = 1 [pid 12068] mkdir("./file0", 0777 [pid 12065] truncate("./file2", 0 [pid 12062] <... exit_group resumed>) = ? [pid 12060] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12059] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12063] +++ exited with 0 +++ [pid 12061] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12068] <... mkdir resumed>) = 0 [pid 12066] <... futex resumed>) = 0 [pid 12064] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12059] <... futex resumed>) = 1 [pid 12068] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [ 355.489527][T12072] NILFS (loop0): mounting fs with errors [ 355.500907][T12065] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 355.514133][T12066] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 355.520713][T12065] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 12066] truncate("./file2", 0 [pid 12059] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12072] <... fsconfig resumed>) = 0 [pid 12071] +++ exited with 0 +++ [pid 12062] +++ exited with 0 +++ [pid 12072] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12060] <... futex resumed>) = 0 [pid 12072] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12060] exit_group(0 [pid 12072] <... futex resumed>) = ? [pid 12064] <... futex resumed>) = ? [pid 12060] <... exit_group resumed>) = ? [pid 12072] +++ exited with 0 +++ [pid 12064] +++ exited with 0 +++ [pid 12060] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12062, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 12061] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12061] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./362", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12061] <... futex resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12060, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 12061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./363", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12061] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5069] openat(AT_FDCWD, "./362", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12065] <... truncate resumed>) = 0 [pid 12061] <... mprotect resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5067] openat(AT_FDCWD, "./363", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12065] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(3, "", [pid 5067] <... openat resumed>) = 3 [pid 12068] <... mount resumed>) = 0 [ 355.525353][T12068] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 355.546054][T12066] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 355.556886][T12065] Remounting filesystem read-only [ 355.563629][T12065] NILFS (loop1): error -5 truncating bmap (ino=16) [ 355.572325][T12066] Remounting filesystem read-only [ 355.577564][T12066] NILFS (loop3): error -5 truncating bmap (ino=16) [pid 12065] <... futex resumed>) = 0 [pid 12061] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12068] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12065] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12059] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12068] chdir("./file0" [pid 12059] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12068] <... chdir resumed>) = 0 [pid 12059] <... futex resumed>) = 0 [pid 12068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12068] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12059] <... mmap resumed>) = 0x7f43d3126000 [pid 12068] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12059] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12068] <... futex resumed>) = 1 [pid 12059] <... mprotect resumed>) = 0 [pid 12068] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12059] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12067] <... futex resumed>) = 0 [pid 12061] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12059] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] newfstatat(3, "", [pid 12067] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12066] <... truncate resumed>) = 0 [pid 12061] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5069] getdents64(3, [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 12076 attached [pid 12068] <... futex resumed>) = 0 [pid 12067] <... futex resumed>) = 1 [pid 12066] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 12077 attached [pid 12076] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12068] truncate("./file2", 0 [pid 12067] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12066] <... futex resumed>) = 0 [pid 12061] <... clone3 resumed> => {parent_tid=[12076]}, 88) = 12076 [pid 12059] <... clone3 resumed> => {parent_tid=[12077]}, 88) = 12077 [pid 5069] umount2("./362/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 12077] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12076] <... rseq resumed>) = 0 [pid 12061] rt_sigprocmask(SIG_SETMASK, [], [pid 12059] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12077] <... rseq resumed>) = 0 [pid 12076] set_robust_list(0x7f43d31469a0, 24 [pid 12066] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12076] <... set_robust_list resumed>) = 0 [pid 12059] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12076] rt_sigprocmask(SIG_SETMASK, [], [pid 12059] <... futex resumed>) = 0 [pid 12076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12059] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12076] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] umount2("./363/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 12077] set_robust_list(0x7f43d31469a0, 24 [pid 12061] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(AT_FDCWD, "./362/binderfs", [pid 12077] <... set_robust_list resumed>) = 0 [pid 12076] <... futex resumed>) = 0 [pid 12061] <... futex resumed>) = 1 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] newfstatat(AT_FDCWD, "./363/binderfs", [pid 12077] rt_sigprocmask(SIG_SETMASK, [], [pid 12076] fspick(AT_FDCWD, ".", 0 [pid 12061] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] unlink("./362/binderfs" [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12077] fspick(AT_FDCWD, ".", 0 [pid 12076] <... fspick resumed>) = 4 [pid 5069] <... unlink resumed>) = 0 [pid 5067] unlink("./363/binderfs" [pid 12077] <... fspick resumed>) = 4 [pid 12077] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12076] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... unlink resumed>) = 0 [pid 12077] <... futex resumed>) = 1 [pid 12076] <... futex resumed>) = 1 [pid 12061] <... futex resumed>) = 0 [pid 12059] <... futex resumed>) = 0 [pid 5069] umount2("./362/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12077] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12076] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12061] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12059] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12066] <... futex resumed>) = 0 [pid 12059] <... futex resumed>) = 1 [pid 5067] umount2("./363/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12066] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12065] <... futex resumed>) = 0 [pid 12061] <... futex resumed>) = 1 [ 355.586070][T12075] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 355.603478][T12068] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 355.614509][T12068] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 355.625966][T12068] Remounting filesystem read-only [ 355.630976][T12066] NILFS (loop3): mounting fs with errors [pid 12059] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12065] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12061] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12068] <... truncate resumed>) = 0 [pid 12066] <... fsconfig resumed>) = 0 [pid 12068] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12066] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12067] <... futex resumed>) = 0 [pid 12067] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12067] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12068] <... futex resumed>) = 1 [pid 12066] <... futex resumed>) = 1 [pid 12065] <... fsconfig resumed>) = 0 [pid 12059] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 12068] fspick(AT_FDCWD, ".", 0 [pid 12066] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12059] exit_group(0 [pid 12068] <... fspick resumed>) = 4 [pid 12065] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./362/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./363/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12077] <... futex resumed>) = ? [pid 12068] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12066] <... futex resumed>) = ? [pid 12065] <... futex resumed>) = 1 [pid 12061] <... futex resumed>) = 0 [pid 12059] <... exit_group resumed>) = ? [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12077] +++ exited with 0 +++ [pid 12068] <... futex resumed>) = 1 [pid 12067] <... futex resumed>) = 0 [pid 12066] +++ exited with 0 +++ [pid 12065] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12061] exit_group(0 [pid 5069] newfstatat(AT_FDCWD, "./362/file0", [pid 12076] <... futex resumed>) = ? [pid 12068] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12067] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12065] <... futex resumed>) = ? [pid 12061] <... exit_group resumed>) = ? [pid 12076] +++ exited with 0 +++ [pid 12067] <... futex resumed>) = 0 [pid 12059] +++ exited with 0 +++ [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] newfstatat(AT_FDCWD, "./363/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./363/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./363/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] newfstatat(4, "", [pid 12067] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] umount2("./362/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] openat(AT_FDCWD, "./362/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] getdents64(4, [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12059, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5069] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, [pid 12065] +++ exited with 0 +++ [pid 12061] +++ exited with 0 +++ [pid 5069] getdents64(4, [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12061, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5067] close(4 [pid 5070] umount2("./362", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] close(4 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5069] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... restart_syscall resumed>) = 0 [pid 12068] <... fsconfig resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./362", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] rmdir("./362/file0" [pid 5067] <... close resumed>) = 0 [pid 5067] rmdir("./363/file0" [pid 5068] umount2("./359", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... rmdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12068] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./359", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] getdents64(3, [pid 5068] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12067] <... futex resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5068] newfstatat(3, "", [pid 5067] close(3) = 0 [pid 12067] exit_group(0 [pid 5067] rmdir("./363" [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12067] <... exit_group resumed>) = ? [pid 5070] newfstatat(3, "", [pid 5068] getdents64(3, [pid 12068] <... futex resumed>) = ? [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] <... rmdir resumed>) = 0 [pid 5070] getdents64(3, [pid 5068] umount2("./359/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... rmdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] mkdir("./364", 0777 [pid 5070] umount2("./362/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... mkdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] newfstatat(AT_FDCWD, "./359/binderfs", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] close(3 [pid 5070] newfstatat(AT_FDCWD, "./362/binderfs", [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] rmdir("./362" [pid 5070] unlink("./362/binderfs" [pid 5068] unlink("./359/binderfs" [pid 5067] <... openat resumed>) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 12068] +++ exited with 0 +++ [pid 12067] +++ exited with 0 +++ [pid 5069] mkdir("./363", 0777 [pid 5068] umount2("./359/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12067, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5070] umount2("./362/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... mkdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5068] umount2("./359/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./362/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] umount2("./366", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] newfstatat(AT_FDCWD, "./362/file0", [pid 5068] newfstatat(AT_FDCWD, "./359/file0", [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] openat(AT_FDCWD, "./366", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] umount2("./362/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./359/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "./362/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] openat(AT_FDCWD, "./359/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... openat resumed>) = 4 [pid 5070] newfstatat(4, "", [pid 5071] newfstatat(3, "", [pid 5068] <... openat resumed>) = 4 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] newfstatat(4, "", [ 355.631710][T12068] NILFS (loop4): error -5 truncating bmap (ino=16) [ 355.638924][T12065] NILFS (loop1): mounting fs with errors [ 355.663690][T12068] NILFS (loop4): mounting fs with errors [pid 5070] getdents64(4, [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] <... ioctl resumed>) = 0 [pid 5068] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./362/file0") = 0 [pid 5068] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] close(4 [pid 5071] umount2("./366/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] rmdir("./359/file0" [pid 5071] newfstatat(AT_FDCWD, "./366/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5071] unlink("./366/binderfs") = 0 [pid 5070] getdents64(3, [pid 5068] getdents64(3, [pid 5067] close(3 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 5068] close(3 [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./362" [pid 5068] <... close resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5068] rmdir("./359") = 0 [pid 5070] mkdir("./363", 0777 [pid 5068] mkdir("./360", 0777 [pid 5070] <... mkdir resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5071] umount2("./366/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5070] <... openat resumed>) = 3 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... close resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555589d38690) = 12078 ./strace-static-x86_64: Process 12078 attached [pid 12078] set_robust_list(0x555589d386a0, 24 [pid 5069] <... ioctl resumed>) = 0 [pid 12078] <... set_robust_list resumed>) = 0 [pid 12078] chdir("./364" [pid 5071] <... umount2 resumed>) = 0 [pid 5069] close(3 [pid 12078] <... chdir resumed>) = 0 [pid 12078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12078] setpgid(0, 0) = 0 [pid 12078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] umount2("./366/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... close resumed>) = 0 [pid 12078] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12078] write(3, "1000", 4 [pid 5071] newfstatat(AT_FDCWD, "./366/file0", [pid 12078] <... write resumed>) = 4 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 12079 attached [pid 12079] set_robust_list(0x555589d386a0, 24) = 0 [pid 12079] chdir("./363" [pid 12078] close(3 [pid 5071] umount2("./366/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 12079 [pid 5068] <... ioctl resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12078] <... close resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./366/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12079] <... chdir resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 12079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12079] setpgid(0, 0) = 0 [pid 12079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] newfstatat(4, "", [pid 12079] <... openat resumed>) = 3 [pid 12078] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12079] write(3, "1000", 4 [pid 12078] <... symlink resumed>) = 0 [pid 5071] getdents64(4, [pid 12079] <... write resumed>) = 4 [pid 12079] close(3) = 0 [pid 12079] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 12079] <... symlink resumed>) = 0 [pid 12078] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] getdents64(4, [pid 5070] close(3 [pid 5068] close(3 [pid 12079] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12078] <... futex resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 12079] <... futex resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5071] close(4 [pid 12079] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12078] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12079] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12078] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5071] rmdir("./366/file0" [pid 12079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12078] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 12081 attached ./strace-static-x86_64: Process 12080 attached [pid 12079] <... mmap resumed>) = 0x7f43d3147000 [pid 5071] <... rmdir resumed>) = 0 [pid 12078] <... mmap resumed>) = 0x7f43d3147000 [pid 12081] set_robust_list(0x555589d386a0, 24 [pid 12078] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 12081 [pid 12081] <... set_robust_list resumed>) = 0 [pid 12080] set_robust_list(0x555589d386a0, 24 [pid 12079] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12078] <... mprotect resumed>) = 0 [pid 5071] getdents64(3, [pid 12081] chdir("./360" [pid 12080] <... set_robust_list resumed>) = 0 [pid 12079] <... mprotect resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 12080 [pid 12081] <... chdir resumed>) = 0 [pid 12080] chdir("./363" [pid 12079] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12078] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] close(3 [pid 12081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12080] <... chdir resumed>) = 0 [pid 12079] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... close resumed>) = 0 [pid 12081] <... prctl resumed>) = 0 [pid 12080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12078] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] rmdir("./366" [pid 12081] setpgid(0, 0 [pid 12080] <... prctl resumed>) = 0 [pid 12078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 12082 attached [pid 12080] setpgid(0, 0 [pid 12079] <... clone3 resumed> => {parent_tid=[12082]}, 88) = 12082 [pid 12082] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 12081] <... setpgid resumed>) = 0 [pid 12080] <... setpgid resumed>) = 0 [pid 12079] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 12083 attached [pid 12082] set_robust_list(0x7f43d31679a0, 24 [pid 12081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 12083] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12082] <... set_robust_list resumed>) = 0 [pid 12081] <... openat resumed>) = 3 [pid 12082] rt_sigprocmask(SIG_SETMASK, [], [pid 12080] <... openat resumed>) = 3 [pid 12079] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12078] <... clone3 resumed> => {parent_tid=[12083]}, 88) = 12083 [pid 12083] <... rseq resumed>) = 0 [pid 12082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12081] write(3, "1000", 4 [pid 12078] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] mkdir("./367", 0777 [pid 12083] set_robust_list(0x7f43d31679a0, 24 [pid 12081] <... write resumed>) = 4 [pid 12078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12081] close(3) = 0 [pid 12081] symlink("/dev/binderfs", "./binderfs" [pid 12078] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12083] <... set_robust_list resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 12078] <... futex resumed>) = 0 [pid 12081] <... symlink resumed>) = 0 [pid 12083] rt_sigprocmask(SIG_SETMASK, [], [pid 12082] memfd_create("syzkaller", 0 [pid 12081] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12079] <... futex resumed>) = 0 [pid 12078] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12081] <... futex resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 12083] memfd_create("syzkaller", 0 [pid 12082] <... memfd_create resumed>) = 3 [pid 12081] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12080] write(3, "1000", 4 [pid 12079] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5071] ioctl(3, LOOP_CLR_FD [pid 12083] <... memfd_create resumed>) = 3 [pid 12082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12081] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12080] <... write resumed>) = 4 [pid 12083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12082] <... mmap resumed>) = 0x7f43cac00000 [pid 12081] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12080] close(3 [pid 12083] <... mmap resumed>) = 0x7f43cac00000 [pid 12081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12080] <... close resumed>) = 0 [pid 12081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 12080] symlink("/dev/binderfs", "./binderfs" [pid 12082] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12080] <... symlink resumed>) = 0 [pid 12081] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12080] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12081] <... mprotect resumed>) = 0 [pid 12081] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12080] <... futex resumed>) = 0 [pid 12080] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12081] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12080] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12080] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 12084 attached [pid 12081] <... clone3 resumed> => {parent_tid=[12084]}, 88) = 12084 [pid 12080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12084] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12081] rt_sigprocmask(SIG_SETMASK, [], [pid 12080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12084] <... rseq resumed>) = 0 [pid 12084] set_robust_list(0x7f43d31679a0, 24 [pid 12081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12080] <... mmap resumed>) = 0x7f43d3147000 [pid 12084] <... set_robust_list resumed>) = 0 [pid 12081] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12084] rt_sigprocmask(SIG_SETMASK, [], [pid 12081] <... futex resumed>) = 0 [pid 12084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12081] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12080] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12083] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12084] memfd_create("syzkaller", 0 [pid 12080] <... mprotect resumed>) = 0 [pid 12084] <... memfd_create resumed>) = 3 [pid 12080] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12080] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12084] <... mmap resumed>) = 0x7f43cac00000 [pid 12082] <... write resumed>) = 1048576 [pid 12080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12083] <... write resumed>) = 1048576 [pid 12083] munmap(0x7f43cac00000, 138412032 [pid 12082] munmap(0x7f43cac00000, 138412032 [pid 12083] <... munmap resumed>) = 0 [pid 12082] <... munmap resumed>) = 0 [pid 12080] <... clone3 resumed> => {parent_tid=[12085]}, 88) = 12085 ./strace-static-x86_64: Process 12085 attached [pid 12080] rt_sigprocmask(SIG_SETMASK, [], [pid 12085] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12080] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12085] <... rseq resumed>) = 0 [pid 12083] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12080] <... futex resumed>) = 0 [pid 12085] set_robust_list(0x7f43d31679a0, 24 [pid 12080] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12085] <... set_robust_list resumed>) = 0 [pid 12082] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12085] rt_sigprocmask(SIG_SETMASK, [], [pid 12083] <... openat resumed>) = 4 [pid 12082] <... openat resumed>) = 4 [pid 12085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12085] memfd_create("syzkaller", 0 [pid 12082] ioctl(4, LOOP_SET_FD, 3 [pid 12083] ioctl(4, LOOP_SET_FD, 3 [pid 12085] <... memfd_create resumed>) = 3 [pid 12082] <... ioctl resumed>) = 0 [pid 12085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 12082] close(3 [pid 12085] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12084] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12082] <... close resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 12083] <... ioctl resumed>) = 0 [pid 12082] close(4 [pid 12085] <... write resumed>) = 1048576 [pid 12082] <... close resumed>) = 0 [pid 5071] close(3 [pid 12082] mkdir("./file0", 0777 [pid 5071] <... close resumed>) = 0 [pid 12085] munmap(0x7f43cac00000, 138412032 [pid 12083] close(3 [pid 12082] <... mkdir resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12084] <... write resumed>) = 1048576 [pid 12083] <... close resumed>) = 0 [pid 12085] <... munmap resumed>) = 0 [pid 12082] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12083] close(4) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 12086 [ 355.940786][T12083] loop0: detected capacity change from 0 to 2048 [ 355.940796][T12082] loop2: detected capacity change from 0 to 2048 ./strace-static-x86_64: Process 12086 attached [pid 12085] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12084] munmap(0x7f43cac00000, 138412032 [pid 12083] mkdir("./file0", 0777 [pid 12086] set_robust_list(0x555589d386a0, 24 [pid 12083] <... mkdir resumed>) = 0 [pid 12086] <... set_robust_list resumed>) = 0 [pid 12083] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12086] chdir("./367") = 0 [pid 12086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12084] <... munmap resumed>) = 0 [pid 12086] <... prctl resumed>) = 0 [pid 12085] <... openat resumed>) = 4 [pid 12085] ioctl(4, LOOP_SET_FD, 3 [pid 12086] setpgid(0, 0 [pid 12085] <... ioctl resumed>) = 0 [pid 12084] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12084] ioctl(4, LOOP_SET_FD, 3 [pid 12086] <... setpgid resumed>) = 0 [ 355.993035][T12082] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 356.013874][T12085] loop3: detected capacity change from 0 to 2048 [ 356.014260][T12083] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 356.032343][T12084] loop1: detected capacity change from 0 to 2048 [pid 12085] close(3) = 0 [pid 12086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12085] close(4 [pid 12084] <... ioctl resumed>) = 0 [pid 12085] <... close resumed>) = 0 [pid 12085] mkdir("./file0", 0777) = 0 [pid 12084] close(3) = 0 [pid 12084] close(4 [pid 12085] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12084] <... close resumed>) = 0 [pid 12084] mkdir("./file0", 0777 [pid 12086] <... openat resumed>) = 3 [pid 12084] <... mkdir resumed>) = 0 [pid 12083] <... mount resumed>) = 0 [pid 12086] write(3, "1000", 4 [pid 12083] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12084] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12086] <... write resumed>) = 4 [pid 12083] <... openat resumed>) = 3 [pid 12082] <... mount resumed>) = 0 [pid 12083] chdir("./file0" [pid 12086] close(3 [pid 12083] <... chdir resumed>) = 0 [ 356.050931][T12087] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 356.068699][T12088] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 356.070767][T12085] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12083] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12083] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12078] <... futex resumed>) = 0 [pid 12083] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12078] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12078] <... futex resumed>) = 0 [pid 12083] truncate("./file2", 0 [pid 12078] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12086] <... close resumed>) = 0 [pid 12082] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12086] symlink("/dev/binderfs", "./binderfs" [pid 12082] <... openat resumed>) = 3 [pid 12086] <... symlink resumed>) = 0 [pid 12086] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12082] chdir("./file0" [pid 12086] <... futex resumed>) = 0 [pid 12082] <... chdir resumed>) = 0 [pid 12086] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12082] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12086] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12082] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12086] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12082] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12082] <... futex resumed>) = 1 [pid 12079] <... futex resumed>) = 0 [pid 12086] <... mmap resumed>) = 0x7f43d3147000 [pid 12082] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12079] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12086] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12079] <... futex resumed>) = 0 [pid 12086] <... mprotect resumed>) = 0 [pid 12079] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 356.096174][T12084] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 356.107008][T12083] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 356.122127][T12083] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 356.132101][T12089] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12082] truncate("./file2", 0 [pid 12086] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12078] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12078] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12078] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12078] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 12091 attached [pid 12086] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12084] <... mount resumed>) = 0 [pid 12086] <... clone3 resumed> => {parent_tid=[12092]}, 88) = 12092 [pid 12086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12086] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12086] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12092 attached [pid 12091] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12084] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12078] <... clone3 resumed> => {parent_tid=[12091]}, 88) = 12091 [pid 12091] <... rseq resumed>) = 0 [pid 12084] <... openat resumed>) = 3 [pid 12078] rt_sigprocmask(SIG_SETMASK, [], [pid 12091] set_robust_list(0x7f43d31469a0, 24 [pid 12084] chdir("./file0" [pid 12078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12091] <... set_robust_list resumed>) = 0 [pid 12084] <... chdir resumed>) = 0 [pid 12078] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12091] rt_sigprocmask(SIG_SETMASK, [], [pid 12084] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12078] <... futex resumed>) = 0 [pid 12091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12084] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12078] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12091] fspick(AT_FDCWD, ".", 0 [pid 12084] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12091] <... fspick resumed>) = 4 [pid 12084] <... futex resumed>) = 1 [pid 12081] <... futex resumed>) = 0 [pid 12091] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12084] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12081] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12092] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12091] <... futex resumed>) = 1 [pid 12085] <... mount resumed>) = 0 [pid 12084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12081] <... futex resumed>) = 0 [pid 12078] <... futex resumed>) = 0 [pid 12092] <... rseq resumed>) = 0 [pid 12091] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12085] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 356.151866][T12090] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 356.163711][T12082] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 356.176009][T12082] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 356.187564][T12083] Remounting filesystem read-only [ 356.196050][T12082] Remounting filesystem read-only [pid 12084] truncate("./file2", 0 [pid 12081] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12078] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12092] set_robust_list(0x7f43d31679a0, 24 [pid 12091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12085] <... openat resumed>) = 3 [pid 12082] <... truncate resumed>) = 0 [pid 12079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12092] <... set_robust_list resumed>) = 0 [pid 12079] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12092] rt_sigprocmask(SIG_SETMASK, [], [pid 12079] <... futex resumed>) = 0 [pid 12092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12091] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12085] chdir("./file0" [pid 12079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12078] <... futex resumed>) = 0 [pid 12092] memfd_create("syzkaller", 0) = 3 [pid 12079] <... mmap resumed>) = 0x7f43d3126000 [ 356.197947][T12084] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 356.212320][T12082] NILFS (loop2): error -5 truncating bmap (ino=16) [ 356.212370][T12084] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 356.220084][T12083] NILFS (loop0): error -5 truncating bmap (ino=16) [ 356.229172][T12084] Remounting filesystem read-only [ 356.240671][T12084] NILFS (loop1): error -5 truncating bmap (ino=16) [pid 12092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12079] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12092] <... mmap resumed>) = 0x7f43cac00000 [pid 12092] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12085] <... chdir resumed>) = 0 [pid 12079] <... mprotect resumed>) = 0 [pid 12078] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12091] <... fsconfig resumed>) = 0 [pid 12085] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12084] <... truncate resumed>) = 0 [pid 12079] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12085] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12079] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12084] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12091] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12085] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12091] <... futex resumed>) = 1 [pid 12085] <... futex resumed>) = 1 [pid 12084] <... futex resumed>) = 1 [pid 12081] <... futex resumed>) = 0 [pid 12078] <... futex resumed>) = 0 [pid 12091] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12085] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12084] fspick(AT_FDCWD, ".", 0 [pid 12081] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12079] <... clone3 resumed> => {parent_tid=[12093]}, 88) = 12093 ./strace-static-x86_64: Process 12093 attached [pid 12084] <... fspick resumed>) = 4 [pid 12082] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12081] <... futex resumed>) = 0 [pid 12080] <... futex resumed>) = 0 [pid 12079] rt_sigprocmask(SIG_SETMASK, [], [pid 12093] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12084] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12082] <... futex resumed>) = 0 [pid 12081] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12080] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12093] <... rseq resumed>) = 0 [pid 12085] <... futex resumed>) = 0 [pid 12084] <... futex resumed>) = 0 [pid 12082] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12080] <... futex resumed>) = 1 [pid 12079] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12093] set_robust_list(0x7f43d31469a0, 24 [pid 12085] truncate("./file2", 0 [pid 12084] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12083] <... truncate resumed>) = 0 [pid 12081] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12080] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12079] <... futex resumed>) = 0 [pid 12093] <... set_robust_list resumed>) = 0 [pid 12081] <... futex resumed>) = 0 [pid 12079] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12093] rt_sigprocmask(SIG_SETMASK, [], [pid 12084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12083] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12081] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12084] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12083] <... futex resumed>) = 0 [ 356.247793][T12091] NILFS (loop0): mounting fs with errors [pid 12093] fspick(AT_FDCWD, ".", 0) = 4 [pid 12093] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12079] <... futex resumed>) = 0 [pid 12093] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12079] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12082] <... futex resumed>) = 0 [pid 12079] <... futex resumed>) = 1 [pid 12082] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12079] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12083] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12078] exit_group(0 [pid 12082] <... fsconfig resumed>) = 0 [pid 12082] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12079] <... futex resumed>) = 0 [pid 12082] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12079] exit_group(0 [pid 12093] <... futex resumed>) = ? [pid 12082] <... futex resumed>) = ? [pid 12079] <... exit_group resumed>) = ? [pid 12093] +++ exited with 0 +++ [pid 12082] +++ exited with 0 +++ [pid 12079] +++ exited with 0 +++ [pid 12092] <... write resumed>) = 1048576 [pid 12091] <... futex resumed>) = ? [pid 12083] <... futex resumed>) = ? [pid 12078] <... exit_group resumed>) = ? [pid 12092] munmap(0x7f43cac00000, 138412032) = 0 [pid 12092] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12079, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 12083] +++ exited with 0 +++ [pid 12092] <... openat resumed>) = 4 [pid 12091] +++ exited with 0 +++ [pid 12078] +++ exited with 0 +++ [pid 5069] umount2("./363", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12078, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5069] openat(AT_FDCWD, "./363", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5069] <... openat resumed>) = 3 [pid 5069] newfstatat(3, "", [pid 5067] <... restart_syscall resumed>) = 0 [pid 5067] umount2("./364", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./364", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [ 356.278673][T12084] NILFS (loop1): mounting fs with errors [ 356.282424][T12082] NILFS (loop2): mounting fs with errors [ 356.285288][T12085] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 356.301631][T12085] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 356.317645][T12085] Remounting filesystem read-only [pid 12092] ioctl(4, LOOP_SET_FD, 3 [pid 5067] umount2("./364/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12080] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12080] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12080] <... futex resumed>) = 0 [pid 12080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] newfstatat(AT_FDCWD, "./364/binderfs", [pid 12080] <... mmap resumed>) = 0x7f43d3126000 [pid 12080] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12080] <... mprotect resumed>) = 0 [pid 5067] unlink("./364/binderfs" [pid 12080] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 12080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5067] umount2("./364/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12080] <... clone3 resumed> => {parent_tid=[12094]}, 88) = 12094 [pid 12080] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12080] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12094 attached [pid 12085] <... truncate resumed>) = 0 [pid 12081] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12080] <... futex resumed>) = 0 [pid 5069] getdents64(3, [pid 12094] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12080] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12094] <... rseq resumed>) = 0 [pid 12094] set_robust_list(0x7f43d31469a0, 24 [pid 5069] umount2("./363/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12094] <... set_robust_list resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./363/binderfs", [pid 12094] rt_sigprocmask(SIG_SETMASK, [], [pid 12085] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12084] <... fsconfig resumed>) = 0 [pid 12094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12092] <... ioctl resumed>) = 0 [pid 12085] <... futex resumed>) = 0 [pid 12084] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12094] fspick(AT_FDCWD, ".", 0 [pid 12092] close(3 [pid 12085] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12084] <... futex resumed>) = 0 [pid 12081] exit_group(0 [pid 5069] unlink("./363/binderfs" [pid 12094] <... fspick resumed>) = 4 [pid 12092] <... close resumed>) = 0 [pid 12081] <... exit_group resumed>) = ? [pid 5069] <... unlink resumed>) = 0 [pid 12094] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12092] close(4 [pid 12084] +++ exited with 0 +++ [pid 12081] +++ exited with 0 +++ [pid 5069] umount2("./363/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = 0 [pid 12094] <... futex resumed>) = 1 [pid 12080] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12081, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5067] umount2("./364/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12094] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12080] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12085] <... futex resumed>) = 0 [pid 12080] <... futex resumed>) = 1 [pid 5067] newfstatat(AT_FDCWD, "./364/file0", [pid 12085] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12080] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./360", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12092] <... close resumed>) = 0 [pid 12085] <... fsconfig resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./364/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12092] mkdir("./file0", 0777 [pid 12085] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./360", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12092] <... mkdir resumed>) = 0 [pid 12085] <... futex resumed>) = 1 [pid 12080] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12092] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12085] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12080] exit_group(0 [pid 5068] <... openat resumed>) = 3 [pid 5067] openat(AT_FDCWD, "./364/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12094] <... futex resumed>) = ? [pid 12085] <... futex resumed>) = ? [pid 12080] <... exit_group resumed>) = ? [pid 5069] umount2("./363/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12094] +++ exited with 0 +++ [ 356.322396][T12092] loop4: detected capacity change from 0 to 2048 [ 356.324104][T12085] NILFS (loop3): error -5 truncating bmap (ino=16) [ 356.354902][T12085] NILFS (loop3): mounting fs with errors [pid 5068] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(3, [pid 12085] +++ exited with 0 +++ [pid 12080] +++ exited with 0 +++ [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 4 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12080, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5070] umount2("./363", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./363", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] newfstatat(3, "", [pid 5069] newfstatat(AT_FDCWD, "./363/file0", [pid 5067] newfstatat(4, "", [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(3, [pid 5069] umount2("./363/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./360/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(4, [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] umount2("./363/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "./363/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] newfstatat(AT_FDCWD, "./360/binderfs", [pid 5067] getdents64(4, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 4 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] newfstatat(AT_FDCWD, "./363/binderfs", [pid 5069] newfstatat(4, "", [pid 5067] close(4 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] unlink("./360/binderfs" [pid 5067] <... close resumed>) = 0 [pid 5070] unlink("./363/binderfs" [pid 5069] getdents64(4, [pid 5068] <... unlink resumed>) = 0 [pid 5067] rmdir("./364/file0" [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] <... rmdir resumed>) = 0 [pid 5070] umount2("./363/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 5069] getdents64(4, [pid 5068] umount2("./360/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(3 [pid 5069] close(4 [pid 5067] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5067] rmdir("./364" [pid 5069] rmdir("./363/file0" [pid 5067] <... rmdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 12092] <... mount resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] mkdir("./365", 0777 [pid 12092] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] umount2("./363/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, [pid 5068] umount2("./360/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12092] <... openat resumed>) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... mkdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12092] chdir("./file0" [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./363/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] umount2("./363/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./363/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] newfstatat(4, "", [pid 12092] <... chdir resumed>) = 0 [pid 5069] close(3 [pid 5068] newfstatat(AT_FDCWD, "./360/file0", [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12092] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12092] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5069] <... close resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... openat resumed>) = 3 [pid 12092] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] getdents64(4, [pid 5069] rmdir("./363" [pid 5068] umount2("./360/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12092] <... futex resumed>) = 1 [pid 12086] <... futex resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 12086] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12092] truncate("./file2", 0 [pid 12086] <... futex resumed>) = 0 [pid 5070] getdents64(4, [pid 5069] <... rmdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./360/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12086] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] mkdir("./364", 0777 [pid 5070] close(4 [pid 5068] <... openat resumed>) = 4 [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./363/file0" [pid 5068] newfstatat(4, "", [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [ 356.376149][T12092] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 356.406139][T12095] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5068] getdents64(4, [pid 5070] getdents64(3, [pid 5069] <... openat resumed>) = 3 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [pid 5068] rmdir("./360/file0") = 0 [pid 5068] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] close(3) = 0 [pid 5068] rmdir("./360") = 0 [pid 5068] mkdir("./361", 0777 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 5068] <... mkdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./363") = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] <... ioctl resumed>) = 0 [pid 5067] <... ioctl resumed>) = 0 [pid 5070] mkdir("./364", 0777 [pid 5068] <... openat resumed>) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5070] <... mkdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] close(3 [pid 12086] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] <... openat resumed>) = 3 [pid 12086] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] <... close resumed>) = 0 [ 356.455685][T12092] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 356.467143][T12092] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555589d38690) = 12096 ./strace-static-x86_64: Process 12096 attached [pid 12096] set_robust_list(0x555589d386a0, 24) = 0 [pid 12096] chdir("./364") = 0 [pid 12096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12096] setpgid(0, 0) = 0 [pid 12096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12096] write(3, "1000", 4) = 4 [pid 12086] <... futex resumed>) = 0 [pid 5067] close(3 [pid 12096] close(3 [pid 12086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] <... close resumed>) = 0 [pid 12096] <... close resumed>) = 0 [pid 12086] <... mmap resumed>) = 0x7f43d3126000 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12086] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12096] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 12097 attached ) = 0 [pid 12086] <... mprotect resumed>) = 0 [pid 12097] set_robust_list(0x555589d386a0, 24 [pid 12086] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12097] <... set_robust_list resumed>) = 0 [pid 12086] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 12097 [pid 12086] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12097] chdir("./365" [pid 12096] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12097] <... chdir resumed>) = 0 [pid 12096] <... futex resumed>) = 0 [pid 12086] <... clone3 resumed> => {parent_tid=[12098]}, 88) = 12098 ./strace-static-x86_64: Process 12098 attached [pid 12097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12096] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12092] <... truncate resumed>) = 0 [pid 12086] rt_sigprocmask(SIG_SETMASK, [], [pid 12098] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12097] <... prctl resumed>) = 0 [pid 12086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12092] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12098] <... rseq resumed>) = 0 [pid 12097] setpgid(0, 0 [pid 12096] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12086] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12098] set_robust_list(0x7f43d31469a0, 24 [pid 12097] <... setpgid resumed>) = 0 [pid 12096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12092] <... futex resumed>) = 0 [pid 12086] <... futex resumed>) = 0 [pid 12098] <... set_robust_list resumed>) = 0 [pid 12096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12092] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12086] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12098] rt_sigprocmask(SIG_SETMASK, [], [pid 12097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] <... ioctl resumed>) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 12098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12096] <... mmap resumed>) = 0x7f43d3147000 [pid 12098] fspick(AT_FDCWD, ".", 0 [ 356.501736][T12092] Remounting filesystem read-only [ 356.506886][T12092] NILFS (loop4): error -5 truncating bmap (ino=16) [pid 12096] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12098] <... fspick resumed>) = 4 [pid 12097] <... openat resumed>) = 3 [pid 12096] <... mprotect resumed>) = 0 [pid 5068] close(3 [pid 12098] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 12098] <... futex resumed>) = 1 [pid 12086] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12098] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12086] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12097] write(3, "1000", 4 [pid 12086] <... futex resumed>) = 1 [pid 12097] <... write resumed>) = 4 [pid 12086] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12097] close(3) = 0 [pid 12096] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12097] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 12099 attached [pid 12096] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 12099 [pid 12099] set_robust_list(0x555589d386a0, 24 [pid 12096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12099] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 12100 attached [pid 12099] chdir("./361" [pid 12097] <... symlink resumed>) = 0 [pid 12100] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12099] <... chdir resumed>) = 0 [pid 12097] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12096] <... clone3 resumed> => {parent_tid=[12100]}, 88) = 12100 [pid 12100] <... rseq resumed>) = 0 [pid 12099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12097] <... futex resumed>) = 0 [pid 12096] rt_sigprocmask(SIG_SETMASK, [], [pid 12100] set_robust_list(0x7f43d31679a0, 24 [pid 12099] <... prctl resumed>) = 0 [pid 12097] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12100] <... set_robust_list resumed>) = 0 [pid 12099] setpgid(0, 0 [pid 12097] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12096] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12092] <... futex resumed>) = 0 [pid 5070] close(3 [pid 12100] rt_sigprocmask(SIG_SETMASK, [], [pid 12099] <... setpgid resumed>) = 0 [pid 12097] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12096] <... futex resumed>) = 0 [pid 12092] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5070] <... close resumed>) = 0 [pid 12100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12096] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12100] memfd_create("syzkaller", 0 [pid 12097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12100] <... memfd_create resumed>) = 3 [pid 12099] <... openat resumed>) = 3 [pid 12097] <... mmap resumed>) = 0x7f43d3147000 [pid 12100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12099] write(3, "1000", 4 [pid 12097] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12100] <... mmap resumed>) = 0x7f43cac00000 [pid 12099] <... write resumed>) = 4 [pid 12097] <... mprotect resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 12101 ./strace-static-x86_64: Process 12101 attached [pid 12099] close(3 [pid 12097] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12101] set_robust_list(0x555589d386a0, 24 [pid 12099] <... close resumed>) = 0 [pid 12097] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12101] <... set_robust_list resumed>) = 0 [pid 12099] symlink("/dev/binderfs", "./binderfs" [pid 12097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 12102 attached [pid 12101] chdir("./364" [pid 12099] <... symlink resumed>) = 0 [pid 12092] <... fsconfig resumed>) = 0 [pid 12102] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12101] <... chdir resumed>) = 0 [pid 12099] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12097] <... clone3 resumed> => {parent_tid=[12102]}, 88) = 12102 [pid 12092] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12102] <... rseq resumed>) = 0 [pid 12101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12102] set_robust_list(0x7f43d31679a0, 24 [pid 12101] <... prctl resumed>) = 0 [pid 12099] <... futex resumed>) = 0 [pid 12097] rt_sigprocmask(SIG_SETMASK, [], [pid 12092] <... futex resumed>) = 1 [pid 12086] <... futex resumed>) = 0 [pid 12102] <... set_robust_list resumed>) = 0 [pid 12101] setpgid(0, 0 [pid 12097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12092] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12086] exit_group(0 [pid 12102] rt_sigprocmask(SIG_SETMASK, [], [pid 12101] <... setpgid resumed>) = 0 [pid 12099] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12098] <... futex resumed>) = ? [pid 12097] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12092] <... futex resumed>) = ? [pid 12086] <... exit_group resumed>) = ? [pid 12102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12099] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12098] +++ exited with 0 +++ [pid 12097] <... futex resumed>) = 0 [pid 12092] +++ exited with 0 +++ [pid 12102] memfd_create("syzkaller", 0 [pid 12101] <... openat resumed>) = 3 [pid 12097] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12086] +++ exited with 0 +++ [pid 12102] <... memfd_create resumed>) = 3 [pid 12101] write(3, "1000", 4 [pid 12099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12086, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 12102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12101] <... write resumed>) = 4 [pid 12099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12102] <... mmap resumed>) = 0x7f43cac00000 [pid 12101] close(3 [pid 12099] <... mmap resumed>) = 0x7f43d3147000 [pid 12101] <... close resumed>) = 0 [pid 12099] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12100] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12099] <... mprotect resumed>) = 0 [pid 5071] umount2("./367", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./367", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 12101] symlink("/dev/binderfs", "./binderfs" [pid 5071] newfstatat(3, "", [pid 12101] <... symlink resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./367/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 12101] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] newfstatat(AT_FDCWD, "./367/binderfs", [pid 12101] <... futex resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12101] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12099] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] unlink("./367/binderfs" [pid 12101] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 12102] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12099] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] umount2("./367/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12101] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 356.576839][T12092] NILFS (loop4): mounting fs with errors [pid 12101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 12101] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12101] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 12103 attached [pid 12099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12103] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12101] <... clone3 resumed> => {parent_tid=[12103]}, 88) = 12103 ./strace-static-x86_64: Process 12104 attached [pid 12104] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12099] <... clone3 resumed> => {parent_tid=[12104]}, 88) = 12104 [pid 12104] <... rseq resumed>) = 0 [pid 12099] rt_sigprocmask(SIG_SETMASK, [], [pid 12104] set_robust_list(0x7f43d31679a0, 24 [pid 12099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12104] <... set_robust_list resumed>) = 0 [pid 12099] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12104] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12103] <... rseq resumed>) = 0 [pid 12101] rt_sigprocmask(SIG_SETMASK, [], [pid 12099] <... futex resumed>) = 0 [pid 12104] memfd_create("syzkaller", 0 [pid 12101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12099] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12101] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12101] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12104] <... memfd_create resumed>) = 3 [pid 12103] set_robust_list(0x7f43d31679a0, 24 [pid 12100] <... write resumed>) = 1048576 [pid 12104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12103] <... set_robust_list resumed>) = 0 [pid 12100] munmap(0x7f43cac00000, 138412032 [pid 12104] <... mmap resumed>) = 0x7f43cac00000 [pid 12103] rt_sigprocmask(SIG_SETMASK, [], [pid 12100] <... munmap resumed>) = 0 [pid 12103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12102] <... write resumed>) = 1048576 [pid 5071] <... umount2 resumed>) = 0 [pid 12103] memfd_create("syzkaller", 0) = 3 [pid 5071] umount2("./367/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12104] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12102] munmap(0x7f43cac00000, 138412032 [pid 12100] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12103] <... mmap resumed>) = 0x7f43cac00000 [pid 12102] <... munmap resumed>) = 0 [pid 12100] <... openat resumed>) = 4 [pid 5071] newfstatat(AT_FDCWD, "./367/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12100] ioctl(4, LOOP_SET_FD, 3 [pid 12104] <... write resumed>) = 1048576 [pid 12102] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] umount2("./367/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12104] munmap(0x7f43cac00000, 138412032 [pid 12102] <... openat resumed>) = 4 [pid 12102] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./367/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12104] <... munmap resumed>) = 0 [pid 12102] <... ioctl resumed>) = 0 [pid 12100] <... ioctl resumed>) = 0 [pid 12103] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5071] <... openat resumed>) = 4 [pid 12102] close(3 [pid 12100] close(3 [pid 12102] <... close resumed>) = 0 [pid 12100] <... close resumed>) = 0 [pid 12102] close(4 [pid 12100] close(4 [pid 12102] <... close resumed>) = 0 [pid 12100] <... close resumed>) = 0 [pid 12100] mkdir("./file0", 0777 [pid 12104] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12103] <... write resumed>) = 1048576 [pid 12102] mkdir("./file0", 0777 [pid 5071] newfstatat(4, "", [pid 12104] <... openat resumed>) = 4 [pid 12100] <... mkdir resumed>) = 0 [pid 12104] ioctl(4, LOOP_SET_FD, 3 [pid 12102] <... mkdir resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12103] munmap(0x7f43cac00000, 138412032 [pid 12100] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5071] getdents64(4, [pid 12102] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 12103] <... munmap resumed>) = 0 [pid 12103] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] getdents64(4, [pid 12103] <... openat resumed>) = 4 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [ 356.698133][T12100] loop2: detected capacity change from 0 to 2048 [ 356.707709][T12102] loop0: detected capacity change from 0 to 2048 [ 356.733569][T12104] loop1: detected capacity change from 0 to 2048 [pid 12103] ioctl(4, LOOP_SET_FD, 3 [pid 5071] close(4 [pid 12104] <... ioctl resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 12104] close(3 [pid 12103] <... ioctl resumed>) = 0 [pid 12104] <... close resumed>) = 0 [pid 12103] close(3 [pid 12104] close(4 [pid 12103] <... close resumed>) = 0 [pid 12104] <... close resumed>) = 0 [pid 12100] <... mount resumed>) = 0 [pid 5071] rmdir("./367/file0" [pid 12104] mkdir("./file0", 0777 [pid 12103] close(4 [pid 12100] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12104] <... mkdir resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 12104] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12100] <... openat resumed>) = 3 [pid 12103] <... close resumed>) = 0 [pid 12100] chdir("./file0" [pid 12103] mkdir("./file0", 0777 [pid 12100] <... chdir resumed>) = 0 [pid 5071] getdents64(3, [pid 12100] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12103] <... mkdir resumed>) = 0 [pid 12103] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12100] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [ 356.741463][T12100] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 356.744341][T12103] loop3: detected capacity change from 0 to 2048 [ 356.758236][T12102] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 356.773751][T12105] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5071] rmdir("./367") = 0 [pid 5071] mkdir("./368", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 12100] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12096] <... futex resumed>) = 0 [pid 12100] truncate("./file2", 0 [pid 12096] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 356.793012][T12104] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 356.808043][T12103] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 356.819654][T12100] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 12096] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12102] <... mount resumed>) = 0 [pid 12102] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12102] <... openat resumed>) = 3 [pid 12096] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12102] chdir("./file0" [pid 12096] <... futex resumed>) = 0 [pid 12102] <... chdir resumed>) = 0 [pid 12096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12102] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12096] <... mmap resumed>) = 0x7f43d3126000 [pid 12102] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12096] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12102] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12096] <... mprotect resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [ 356.839565][T12106] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 356.851986][T12100] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 356.880235][T12108] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5071] close(3 [pid 12104] <... mount resumed>) = 0 [pid 12103] <... mount resumed>) = 0 [pid 12102] <... futex resumed>) = 1 [pid 12097] <... futex resumed>) = 0 [pid 12096] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12104] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12102] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12097] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12096] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12104] <... openat resumed>) = 3 [pid 12103] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 12109 attached [pid 12104] chdir("./file0" [pid 12102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12100] <... truncate resumed>) = 0 [pid 12097] <... futex resumed>) = 0 [pid 12096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12103] <... openat resumed>) = 3 [pid 12109] set_robust_list(0x555589d386a0, 24 [pid 12104] <... chdir resumed>) = 0 [pid 12102] truncate("./file2", 0 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 12109 [pid 12109] <... set_robust_list resumed>) = 0 [pid 12097] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12110 attached [pid 12109] chdir("./368" [pid 12104] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12103] chdir("./file0" [pid 12096] <... clone3 resumed> => {parent_tid=[12110]}, 88) = 12110 [pid 12109] <... chdir resumed>) = 0 [pid 12109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12109] setpgid(0, 0) = 0 [pid 12110] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12104] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12103] <... chdir resumed>) = 0 [pid 12096] rt_sigprocmask(SIG_SETMASK, [], [pid 12109] <... openat resumed>) = 3 [pid 12096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12103] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12110] <... rseq resumed>) = 0 [pid 12109] write(3, "1000", 4 [pid 12104] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12100] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12096] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12110] set_robust_list(0x7f43d31469a0, 24 [pid 12109] <... write resumed>) = 4 [ 356.891998][T12107] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 356.900970][T12100] Remounting filesystem read-only [ 356.911464][T12100] NILFS (loop2): error -5 truncating bmap (ino=16) [ 356.933580][T12102] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 12103] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12109] close(3 [pid 12110] <... set_robust_list resumed>) = 0 [pid 12104] <... futex resumed>) = 1 [pid 12103] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12100] <... futex resumed>) = 0 [pid 12099] <... futex resumed>) = 0 [pid 12096] <... futex resumed>) = 0 [pid 12110] rt_sigprocmask(SIG_SETMASK, [], [pid 12109] <... close resumed>) = 0 [pid 12104] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12103] <... futex resumed>) = 1 [pid 12101] <... futex resumed>) = 0 [pid 12100] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12096] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12103] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12101] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12110] fspick(AT_FDCWD, ".", 0 [pid 12103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12101] <... futex resumed>) = 0 [pid 12110] <... fspick resumed>) = 4 [pid 12103] truncate("./file2", 0 [pid 12101] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12110] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12096] <... futex resumed>) = 0 [pid 12110] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12096] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12100] <... futex resumed>) = 0 [pid 12096] <... futex resumed>) = 1 [pid 12100] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12096] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12100] <... fsconfig resumed>) = 0 [pid 12100] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12096] <... futex resumed>) = 0 [pid 12100] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12096] exit_group(0 [pid 12110] <... futex resumed>) = ? [pid 12100] <... futex resumed>) = ? [pid 12096] <... exit_group resumed>) = ? [pid 12110] +++ exited with 0 +++ [pid 12100] +++ exited with 0 +++ [pid 12096] +++ exited with 0 +++ [ 356.948706][T12102] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 356.959758][T12102] Remounting filesystem read-only [ 356.964711][T12100] NILFS (loop2): mounting fs with errors [ 356.965923][T12103] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 356.983910][T12102] NILFS (loop0): error -5 truncating bmap (ino=16) [pid 12109] symlink("/dev/binderfs", "./binderfs") = 0 [pid 12099] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12096, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 12099] <... futex resumed>) = 1 [pid 12109] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12104] <... futex resumed>) = 0 [pid 12097] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12104] truncate("./file2", 0 [pid 12097] <... futex resumed>) = 0 [pid 12109] <... futex resumed>) = 0 [pid 12099] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] umount2("./364", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12097] <... mmap resumed>) = 0x7f43d3126000 [pid 12097] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12097] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[12111]}, 88) = 12111 [pid 12097] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12097] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12097] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 12111 attached [pid 12109] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12102] <... truncate resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./364", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12111] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12109] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12102] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12101] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] <... openat resumed>) = 3 [pid 12101] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12101] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5069] newfstatat(3, "", [pid 12111] <... rseq resumed>) = 0 [pid 12109] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12102] <... futex resumed>) = 0 [pid 12101] <... mprotect resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12102] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12101] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12111] set_robust_list(0x7f43d31469a0, 24 [pid 5069] getdents64(3, [pid 12111] <... set_robust_list resumed>) = 0 [pid 12109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12101] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 12112 attached [pid 12111] rt_sigprocmask(SIG_SETMASK, [], [pid 12109] <... mmap resumed>) = 0x7f43d3147000 [pid 12112] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12109] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12101] <... clone3 resumed> => {parent_tid=[12112]}, 88) = 12112 [pid 5069] umount2("./364/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12112] <... rseq resumed>) = 0 [pid 12111] fspick(AT_FDCWD, ".", 0 [pid 12109] <... mprotect resumed>) = 0 [pid 12101] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12112] set_robust_list(0x7f43d31469a0, 24 [pid 12101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12112] <... set_robust_list resumed>) = 0 [pid 12101] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12112] rt_sigprocmask(SIG_SETMASK, [], [pid 12101] <... futex resumed>) = 0 [pid 12112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12101] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12112] fspick(AT_FDCWD, ".", 0) = 4 [pid 12112] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12101] <... futex resumed>) = 0 [pid 12112] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12101] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12101] <... futex resumed>) = 0 [pid 12112] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12101] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12111] <... fspick resumed>) = 4 [pid 12109] rt_sigprocmask(SIG_BLOCK, ~[], [ 356.985952][T12104] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 356.991361][T12103] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 357.012908][T12104] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 357.027579][T12104] Remounting filesystem read-only [ 357.027898][T12103] Remounting filesystem read-only [ 357.037621][T12104] NILFS (loop1): error -5 truncating bmap (ino=16) [pid 5069] newfstatat(AT_FDCWD, "./364/binderfs", [pid 12104] <... truncate resumed>) = 0 [pid 12111] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12109] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12103] <... truncate resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12103] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12112] <... fsconfig resumed>) = 0 [pid 12111] <... futex resumed>) = 0 [pid 12109] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12104] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12103] <... futex resumed>) = 0 [pid 12097] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] unlink("./364/binderfs"./strace-static-x86_64: Process 12113 attached [pid 12112] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12111] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12104] <... futex resumed>) = 1 [pid 12103] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12102] <... futex resumed>) = 0 [pid 12099] <... futex resumed>) = 0 [pid 12097] <... futex resumed>) = 1 [pid 5069] <... unlink resumed>) = 0 [pid 12113] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12112] <... futex resumed>) = 1 [pid 12102] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12101] <... futex resumed>) = 0 [pid 12099] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12097] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] umount2("./364/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12113] <... rseq resumed>) = 0 [pid 12112] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12109] <... clone3 resumed> => {parent_tid=[12113]}, 88) = 12113 [pid 12104] fspick(AT_FDCWD, ".", 0 [pid 12099] <... futex resumed>) = 0 [pid 12099] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12104] <... fspick resumed>) = 4 [pid 12109] rt_sigprocmask(SIG_SETMASK, [], [pid 12104] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12109] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12104] <... futex resumed>) = 1 [pid 12099] <... futex resumed>) = 0 [pid 12109] <... futex resumed>) = 0 [pid 12099] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12109] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12104] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12099] <... futex resumed>) = 0 [pid 12113] set_robust_list(0x7f43d31679a0, 24 [pid 12102] <... fsconfig resumed>) = 0 [pid 12101] exit_group(0 [pid 12113] <... set_robust_list resumed>) = 0 [pid 12102] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12101] <... exit_group resumed>) = ? [pid 12113] rt_sigprocmask(SIG_SETMASK, [], [pid 12102] <... futex resumed>) = 1 [pid 12097] <... futex resumed>) = 0 [pid 12113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12102] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12097] exit_group(0 [pid 12113] memfd_create("syzkaller", 0 [pid 12102] <... futex resumed>) = ? [pid 12097] <... exit_group resumed>) = ? [pid 12113] <... memfd_create resumed>) = 3 [pid 12102] +++ exited with 0 +++ [pid 12113] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 12112] <... futex resumed>) = ? [pid 12111] <... futex resumed>) = ? [pid 12103] <... futex resumed>) = ? [pid 12099] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12113] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12112] +++ exited with 0 +++ [pid 12111] +++ exited with 0 +++ [pid 12104] <... fsconfig resumed>) = 0 [pid 12103] +++ exited with 0 +++ [pid 12101] +++ exited with 0 +++ [pid 12097] +++ exited with 0 +++ [pid 12104] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12101, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5069] <... umount2 resumed>) = 0 [pid 12104] <... futex resumed>) = 1 [pid 12099] <... futex resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12097, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5069] umount2("./364/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12104] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12099] exit_group(0 [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 12104] <... futex resumed>) = ? [pid 12099] <... exit_group resumed>) = ? [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... restart_syscall resumed>) = 0 [pid 12104] +++ exited with 0 +++ [pid 12099] +++ exited with 0 +++ [pid 5069] newfstatat(AT_FDCWD, "./364/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./365", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./364", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./365", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12099, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5070] openat(AT_FDCWD, "./364", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./361", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... openat resumed>) = 3 [pid 5069] umount2("./364/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] openat(AT_FDCWD, "./361", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] newfstatat(3, "", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12113] <... write resumed>) = 1048576 [pid 5070] newfstatat(3, "", [pid 5069] openat(AT_FDCWD, "./364/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... openat resumed>) = 3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12113] munmap(0x7f43cac00000, 138412032 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] newfstatat(3, "", [pid 5067] getdents64(3, [pid 5070] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] umount2("./365/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(3, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./364/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] newfstatat(AT_FDCWD, "./365/binderfs", [pid 12113] <... munmap resumed>) = 0 [ 357.039850][T12103] NILFS (loop3): error -5 truncating bmap (ino=16) [ 357.051476][T12112] NILFS (loop3): mounting fs with errors [ 357.062785][T12102] NILFS (loop0): mounting fs with errors [ 357.069087][T12104] NILFS (loop1): mounting fs with errors [pid 5070] newfstatat(AT_FDCWD, "./364/binderfs", [pid 5069] <... openat resumed>) = 4 [pid 5068] umount2("./361/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12113] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] newfstatat(4, "", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] unlink("./364/binderfs" [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] unlink("./365/binderfs" [pid 5068] newfstatat(AT_FDCWD, "./361/binderfs", [pid 5070] <... unlink resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5070] umount2("./364/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12113] <... openat resumed>) = 4 [pid 5069] getdents64(4, [pid 5068] unlink("./361/binderfs" [pid 5067] umount2("./365/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12113] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] <... unlink resumed>) = 0 [pid 5069] getdents64(4, [pid 5068] umount2("./361/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 12113] <... ioctl resumed>) = 0 [pid 5069] close(4 [pid 12113] close(3 [pid 5070] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 12113] <... close resumed>) = 0 [pid 5070] umount2("./364/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... close resumed>) = 0 [pid 5068] umount2("./361/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12113] close(4 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] rmdir("./364/file0" [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./365/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12113] <... close resumed>) = 0 [pid 5070] newfstatat(AT_FDCWD, "./364/file0", [pid 5069] <... rmdir resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./361/file0", [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12113] mkdir("./file0", 0777) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] getdents64(3, [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] newfstatat(AT_FDCWD, "./365/file0", [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] umount2("./364/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] close(3 [pid 5068] umount2("./361/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12113] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... close resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./365/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "./364/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] rmdir("./364" [pid 5068] openat(AT_FDCWD, "./361/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... openat resumed>) = 4 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [ 357.115387][T12113] loop4: detected capacity change from 0 to 2048 [pid 5068] close(4 [pid 5070] newfstatat(4, "", [pid 5069] mkdir("./365", 0777 [pid 5067] openat(AT_FDCWD, "./365/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5070] getdents64(4, [pid 5068] rmdir("./361/file0" [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] newfstatat(4, "", [pid 5070] getdents64(4, [pid 5068] getdents64(3, [pid 12113] <... mount resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12113] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12113] <... openat resumed>) = 3 [pid 5068] close(3 [pid 12113] chdir("./file0") = 0 [pid 5068] <... close resumed>) = 0 [pid 12113] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5068] rmdir("./361" [pid 12113] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... rmdir resumed>) = 0 [pid 12113] <... futex resumed>) = 1 [pid 12113] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] mkdir("./362", 0777 [pid 12109] <... futex resumed>) = 0 [pid 5070] close(4 [pid 5069] <... openat resumed>) = 3 [pid 5067] getdents64(4, [pid 12109] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... close resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 12113] <... futex resumed>) = 0 [pid 12109] <... futex resumed>) = 1 [ 357.167031][T12113] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 357.190042][T12114] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5070] rmdir("./364/file0" [pid 5068] <... mkdir resumed>) = 0 [pid 12113] truncate("./file2", 0 [pid 12109] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... rmdir resumed>) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 5067] rmdir("./365/file0" [pid 5070] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 5067] <... rmdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./364" [pid 5067] getdents64(3, [pid 5070] <... rmdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] close(3) = 0 [pid 5067] rmdir("./365") = 0 [pid 5070] mkdir("./365", 0777 [pid 5067] mkdir("./366", 0777) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5067] <... openat resumed>) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 12113] <... truncate resumed>) = 0 [pid 12113] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12109] <... futex resumed>) = 0 [pid 12113] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12109] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12113] <... futex resumed>) = 0 [pid 12109] <... futex resumed>) = 1 [pid 12113] fspick(AT_FDCWD, ".", 0 [pid 12109] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12113] <... fspick resumed>) = 4 [pid 12113] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12109] <... futex resumed>) = 0 [pid 12113] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12109] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12109] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12113] <... fsconfig resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 12113] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 357.212218][T12113] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 357.223406][T12113] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 357.234367][T12113] Remounting filesystem read-only [ 357.239811][T12113] NILFS (loop4): error -5 truncating bmap (ino=16) [ 357.251021][T12113] NILFS (loop4): mounting fs with errors [pid 12109] <... futex resumed>) = 0 [pid 12113] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] close(3 [pid 12109] exit_group(0) = ? [pid 12113] <... futex resumed>) = ? [pid 5068] <... ioctl resumed>) = 0 [pid 12113] +++ exited with 0 +++ [pid 12109] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12109, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5067] <... ioctl resumed>) = 0 [pid 5071] umount2("./368", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./368", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... ioctl resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 5068] close(3 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] newfstatat(3, "", [pid 5068] <... close resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] close(3./strace-static-x86_64: Process 12115 attached ) = 0 [pid 12115] set_robust_list(0x555589d386a0, 24 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 12115 ./strace-static-x86_64: Process 12116 attached [pid 12115] <... set_robust_list resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] close(3 [pid 12116] set_robust_list(0x555589d386a0, 24 [pid 12115] chdir("./365" [pid 5071] getdents64(3, [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 12116 [pid 5067] <... close resumed>) = 0 [pid 12116] <... set_robust_list resumed>) = 0 [pid 12116] chdir("./362" [pid 12115] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 12117 attached [pid 12115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12117] set_robust_list(0x555589d386a0, 24 [pid 5071] umount2("./368/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12116] <... chdir resumed>) = 0 [pid 12115] <... prctl resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 12117 ./strace-static-x86_64: Process 12118 attached [pid 12117] <... set_robust_list resumed>) = 0 [pid 5071] newfstatat(AT_FDCWD, "./368/binderfs", [pid 12118] set_robust_list(0x555589d386a0, 24) = 0 [pid 12117] chdir("./365" [pid 12116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12115] setpgid(0, 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12118] chdir("./366" [pid 12117] <... chdir resumed>) = 0 [pid 12116] <... prctl resumed>) = 0 [pid 12115] <... setpgid resumed>) = 0 [pid 5071] unlink("./368/binderfs" [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 12118 [pid 12118] <... chdir resumed>) = 0 [pid 12117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12116] setpgid(0, 0 [pid 12115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... unlink resumed>) = 0 [pid 12118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12116] <... setpgid resumed>) = 0 [pid 12115] <... openat resumed>) = 3 [pid 5071] umount2("./368/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12118] <... prctl resumed>) = 0 [pid 12117] <... prctl resumed>) = 0 [pid 12118] setpgid(0, 0 [pid 12117] setpgid(0, 0 [pid 12116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12118] <... setpgid resumed>) = 0 [pid 12117] <... setpgid resumed>) = 0 [pid 12116] <... openat resumed>) = 3 [pid 12115] write(3, "1000", 4 [pid 12116] write(3, "1000", 4 [pid 12115] <... write resumed>) = 4 [pid 12118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12116] <... write resumed>) = 4 [pid 12118] <... openat resumed>) = 3 [pid 12117] <... openat resumed>) = 3 [pid 12116] close(3 [pid 12115] close(3 [pid 12118] write(3, "1000", 4 [pid 12117] write(3, "1000", 4 [pid 12116] <... close resumed>) = 0 [pid 12115] <... close resumed>) = 0 [pid 12118] <... write resumed>) = 4 [pid 12117] <... write resumed>) = 4 [pid 12116] symlink("/dev/binderfs", "./binderfs" [pid 12115] symlink("/dev/binderfs", "./binderfs" [pid 12118] close(3 [pid 12117] close(3 [pid 12116] <... symlink resumed>) = 0 [pid 12115] <... symlink resumed>) = 0 [pid 12118] <... close resumed>) = 0 [pid 12117] <... close resumed>) = 0 [pid 12116] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12118] symlink("/dev/binderfs", "./binderfs" [pid 12117] symlink("/dev/binderfs", "./binderfs" [pid 12116] <... futex resumed>) = 0 [pid 12115] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12116] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12115] <... futex resumed>) = 0 [pid 12118] <... symlink resumed>) = 0 [pid 12116] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12115] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12118] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12117] <... symlink resumed>) = 0 [pid 12116] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12118] <... futex resumed>) = 0 [pid 12117] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12115] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 12118] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12117] <... futex resumed>) = 0 [pid 12116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12115] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12118] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12117] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12116] <... mmap resumed>) = 0x7f43d3147000 [pid 12115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12118] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12117] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12116] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12118] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12116] <... mprotect resumed>) = 0 [pid 12115] <... mmap resumed>) = 0x7f43d3147000 [pid 5071] umount2("./368/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12118] <... mmap resumed>) = 0x7f43d3147000 [pid 12117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12116] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12115] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12116] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12115] <... mprotect resumed>) = 0 [pid 12117] <... mmap resumed>) = 0x7f43d3147000 [pid 5071] newfstatat(AT_FDCWD, "./368/file0", [pid 12118] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12117] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12116] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12115] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 12119 attached [pid 12118] <... mprotect resumed>) = 0 [pid 12117] <... mprotect resumed>) = 0 [pid 12115] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12119] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 12120 attached [pid 12119] <... rseq resumed>) = 0 [pid 12118] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12117] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12116] <... clone3 resumed> => {parent_tid=[12119]}, 88) = 12119 [pid 5071] umount2("./368/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12120] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12119] set_robust_list(0x7f43d31679a0, 24 [pid 12118] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12117] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12116] rt_sigprocmask(SIG_SETMASK, [], [pid 12115] <... clone3 resumed> => {parent_tid=[12120]}, 88) = 12120 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12120] <... rseq resumed>) = 0 [pid 12119] <... set_robust_list resumed>) = 0 [pid 12118] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12115] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] openat(AT_FDCWD, "./368/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 12122 attached ./strace-static-x86_64: Process 12121 attached [pid 12120] set_robust_list(0x7f43d31679a0, 24 [pid 12119] rt_sigprocmask(SIG_SETMASK, [], [pid 12116] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... openat resumed>) = 4 [pid 12122] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12121] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12120] <... set_robust_list resumed>) = 0 [pid 12119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12118] <... clone3 resumed> => {parent_tid=[12122]}, 88) = 12122 [pid 12117] <... clone3 resumed> => {parent_tid=[12121]}, 88) = 12121 [pid 12116] <... futex resumed>) = 0 [pid 12115] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12122] <... rseq resumed>) = 0 [pid 12121] <... rseq resumed>) = 0 [pid 12120] rt_sigprocmask(SIG_SETMASK, [], [pid 12119] memfd_create("syzkaller", 0 [pid 12118] rt_sigprocmask(SIG_SETMASK, [], [pid 12117] rt_sigprocmask(SIG_SETMASK, [], [pid 12116] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12115] <... futex resumed>) = 0 [pid 5071] newfstatat(4, "", [pid 12122] set_robust_list(0x7f43d31679a0, 24 [pid 12121] set_robust_list(0x7f43d31679a0, 24 [pid 12120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12119] <... memfd_create resumed>) = 3 [pid 12118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12115] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12122] <... set_robust_list resumed>) = 0 [pid 12121] <... set_robust_list resumed>) = 0 [pid 5071] getdents64(4, [pid 12122] rt_sigprocmask(SIG_SETMASK, [], [pid 12121] rt_sigprocmask(SIG_SETMASK, [], [pid 12120] memfd_create("syzkaller", 0 [pid 12119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12118] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12117] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 12122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12118] <... futex resumed>) = 0 [pid 12117] <... futex resumed>) = 0 [pid 12122] memfd_create("syzkaller", 0 [pid 12121] memfd_create("syzkaller", 0 [pid 12120] <... memfd_create resumed>) = 3 [pid 12119] <... mmap resumed>) = 0x7f43cac00000 [pid 12117] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5071] getdents64(4, [pid 12118] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12122] <... memfd_create resumed>) = 3 [pid 12120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 12122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12121] <... memfd_create resumed>) = 3 [pid 12120] <... mmap resumed>) = 0x7f43cac00000 [pid 5071] close(4 [pid 12122] <... mmap resumed>) = 0x7f43cac00000 [pid 12121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... close resumed>) = 0 [pid 12121] <... mmap resumed>) = 0x7f43cac00000 [pid 5071] rmdir("./368/file0" [pid 12122] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12119] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5071] <... rmdir resumed>) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 12120] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5071] rmdir("./368") = 0 [pid 5071] mkdir("./369", 0777 [pid 12121] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5071] <... mkdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 12120] <... write resumed>) = 1048576 [pid 12120] munmap(0x7f43cac00000, 138412032 [pid 12119] <... write resumed>) = 1048576 [pid 12120] <... munmap resumed>) = 0 [pid 12121] <... write resumed>) = 1048576 [pid 12120] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12119] munmap(0x7f43cac00000, 138412032 [pid 12121] munmap(0x7f43cac00000, 138412032 [pid 12122] <... write resumed>) = 1048576 [pid 12120] <... openat resumed>) = 4 [pid 12119] <... munmap resumed>) = 0 [pid 12119] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12122] munmap(0x7f43cac00000, 138412032 [pid 12120] ioctl(4, LOOP_SET_FD, 3 [pid 12119] ioctl(4, LOOP_SET_FD, 3 [pid 12122] <... munmap resumed>) = 0 [pid 12121] <... munmap resumed>) = 0 [pid 12119] <... ioctl resumed>) = 0 [pid 12122] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12121] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12120] <... ioctl resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 12119] close(3 [pid 12122] <... openat resumed>) = 4 [pid 12121] <... openat resumed>) = 4 [pid 12120] close(3 [pid 5071] close(3) = 0 [pid 12119] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12120] <... close resumed>) = 0 [pid 12119] close(4 [pid 12120] close(4 [pid 12122] ioctl(4, LOOP_SET_FD, 3 [pid 12121] ioctl(4, LOOP_SET_FD, 3 [pid 12120] <... close resumed>) = 0 [pid 12119] <... close resumed>) = 0 ./strace-static-x86_64: Process 12123 attached [pid 12121] <... ioctl resumed>) = 0 [pid 12121] close(3) = 0 [pid 12121] close(4) = 0 [pid 12121] mkdir("./file0", 0777) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 12123 [pid 12123] set_robust_list(0x555589d386a0, 24) = 0 [pid 12121] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12123] chdir("./369" [pid 12120] mkdir("./file0", 0777 [pid 12119] mkdir("./file0", 0777 [pid 12123] <... chdir resumed>) = 0 [pid 12122] <... ioctl resumed>) = 0 [ 357.457459][T12119] loop1: detected capacity change from 0 to 2048 [ 357.459042][T12120] loop2: detected capacity change from 0 to 2048 [ 357.492537][T12121] loop3: detected capacity change from 0 to 2048 [ 357.493111][T12122] loop0: detected capacity change from 0 to 2048 [pid 12123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12122] close(3 [pid 12120] <... mkdir resumed>) = 0 [pid 12123] <... prctl resumed>) = 0 [pid 12119] <... mkdir resumed>) = 0 [pid 12120] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12123] setpgid(0, 0 [pid 12122] <... close resumed>) = 0 [pid 12119] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12123] <... setpgid resumed>) = 0 [pid 12122] close(4 [pid 12123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12122] <... close resumed>) = 0 [pid 12123] write(3, "1000", 4 [pid 12122] mkdir("./file0", 0777 [pid 12123] <... write resumed>) = 4 [pid 12122] <... mkdir resumed>) = 0 [pid 12123] close(3) = 0 [pid 12123] symlink("/dev/binderfs", "./binderfs") = 0 [pid 12123] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12122] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12123] <... futex resumed>) = 0 [pid 12123] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 12123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 357.527109][T12121] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 357.535018][T12120] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 357.556088][T12119] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 12123] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12123] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12121] <... mount resumed>) = 0 [ 357.579419][T12122] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 357.608673][T12124] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12121] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12120] <... mount resumed>) = 0 [pid 12120] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12120] chdir("./file0") = 0 [pid 12120] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12120] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12120] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 12126 attached [pid 12123] <... clone3 resumed> => {parent_tid=[12126]}, 88) = 12126 [pid 12121] chdir("./file0" [pid 12119] <... mount resumed>) = 0 [pid 12115] <... futex resumed>) = 0 [pid 12119] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12115] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12119] <... openat resumed>) = 3 [pid 12119] chdir("./file0") = 0 [pid 12126] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12123] rt_sigprocmask(SIG_SETMASK, [], [pid 12121] <... chdir resumed>) = 0 [pid 12120] <... futex resumed>) = 0 [pid 12119] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12115] <... futex resumed>) = 1 [pid 12126] <... rseq resumed>) = 0 [pid 12123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12121] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12120] truncate("./file2", 0 [pid 12119] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12115] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12126] set_robust_list(0x7f43d31679a0, 24 [pid 12123] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12121] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12119] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12126] <... set_robust_list resumed>) = 0 [pid 12123] <... futex resumed>) = 0 [pid 12121] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12126] rt_sigprocmask(SIG_SETMASK, [], [pid 12123] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12121] <... futex resumed>) = 1 [pid 12117] <... futex resumed>) = 0 [pid 12126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12121] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12117] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12126] memfd_create("syzkaller", 0 [pid 12121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12117] <... futex resumed>) = 0 [pid 12126] <... memfd_create resumed>) = 3 [pid 12121] truncate("./file2", 0 [pid 12117] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 357.624772][T12125] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 357.639234][T12127] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 357.668520][T12128] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 12119] <... futex resumed>) = 1 [pid 12116] <... futex resumed>) = 0 [pid 12116] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12126] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12116] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12119] truncate("./file2", 0 [pid 12122] <... mount resumed>) = 0 [pid 12122] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12122] chdir("./file0") = 0 [pid 12122] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12122] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12122] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12115] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12115] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12118] <... futex resumed>) = 0 [pid 12117] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12115] <... mmap resumed>) = 0x7f43d3126000 [pid 12117] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12115] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12117] <... futex resumed>) = 0 [pid 12115] <... mprotect resumed>) = 0 [pid 12117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12115] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12117] <... mmap resumed>) = 0x7f43d3126000 [pid 12115] <... rt_sigprocmask resumed>[], 8) = 0 [ 357.679588][T12120] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 357.682757][T12121] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 357.699626][T12120] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 357.713930][T12119] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 12118] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12117] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12122] <... futex resumed>) = 0 [pid 12118] <... futex resumed>) = 1 [pid 12117] <... mprotect resumed>) = 0 [pid 12122] truncate("./file2", 0 [pid 12118] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12117] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12115] <... clone3 resumed> => {parent_tid=[12129]}, 88) = 12129 [pid 12117] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12115] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 12129 attached [pid 12117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12129] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12115] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12115] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12129] <... rseq resumed>) = 0 [pid 12126] <... write resumed>) = 1048576 [pid 12129] set_robust_list(0x7f43d31469a0, 24 [pid 12117] <... clone3 resumed> => {parent_tid=[12130]}, 88) = 12130 [pid 12129] <... set_robust_list resumed>) = 0 [pid 12117] rt_sigprocmask(SIG_SETMASK, [], [pid 12129] rt_sigprocmask(SIG_SETMASK, [], [pid 12117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12129] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 357.726151][T12119] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 357.737849][T12122] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 357.738167][T12120] Remounting filesystem read-only [ 357.754811][T12119] Remounting filesystem read-only [ 357.755429][T12121] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 357.760421][T12119] NILFS (loop1): error -5 truncating bmap (ino=16) [pid 12117] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12130 attached [pid 12129] fspick(AT_FDCWD, ".", 0 [pid 12126] munmap(0x7f43cac00000, 138412032 [pid 12116] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12116] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12129] <... fspick resumed>) = 4 [pid 12116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12129] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12126] <... munmap resumed>) = 0 [pid 12117] <... futex resumed>) = 0 [pid 12116] <... mmap resumed>) = 0x7f43d3126000 [pid 12129] <... futex resumed>) = 1 [pid 12117] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12116] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12115] <... futex resumed>) = 0 [pid 12129] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12116] <... mprotect resumed>) = 0 [pid 12116] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12115] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12116] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12129] <... futex resumed>) = 0 [pid 12116] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12115] <... futex resumed>) = 1 [pid 12130] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12129] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12126] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12115] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12131 attached [pid 12130] <... rseq resumed>) = 0 [pid 12120] <... truncate resumed>) = 0 [pid 12119] <... truncate resumed>) = 0 [pid 12118] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12130] set_robust_list(0x7f43d31469a0, 24 [pid 12116] <... clone3 resumed> => {parent_tid=[12131]}, 88) = 12131 [pid 12130] <... set_robust_list resumed>) = 0 [pid 12118] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12130] rt_sigprocmask(SIG_SETMASK, [], [pid 12126] <... openat resumed>) = 4 [pid 12118] <... futex resumed>) = 0 [pid 12116] rt_sigprocmask(SIG_SETMASK, [], [pid 12130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12126] ioctl(4, LOOP_SET_FD, 3 [pid 12118] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12131] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12130] fspick(AT_FDCWD, ".", 0 [pid 12120] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12119] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12118] <... mmap resumed>) = 0x7f43d3126000 [pid 12116] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12130] <... fspick resumed>) = 4 [pid 12118] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12130] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12118] <... mprotect resumed>) = 0 [pid 12116] <... futex resumed>) = 0 [pid 12130] <... futex resumed>) = 1 [pid 12118] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12117] <... futex resumed>) = 0 [pid 12130] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12118] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12117] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12116] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12120] <... futex resumed>) = 0 [pid 12131] <... rseq resumed>) = 0 [pid 12119] <... futex resumed>) = 0 [pid 12118] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12117] <... futex resumed>) = 0 [pid 12130] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12117] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12118] <... clone3 resumed> => {parent_tid=[12132]}, 88) = 12132 [pid 12118] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12118] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12118] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12132 attached [pid 12132] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 12132] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 12132] rt_sigprocmask(SIG_SETMASK, [], [pid 12131] set_robust_list(0x7f43d31469a0, 24 [pid 12119] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12131] <... set_robust_list resumed>) = 0 [pid 12129] <... fsconfig resumed>) = 0 [pid 12126] <... ioctl resumed>) = 0 [pid 12122] <... truncate resumed>) = 0 [pid 12120] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12132] fspick(AT_FDCWD, ".", 0 [pid 12129] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12132] <... fspick resumed>) = 4 [pid 12129] <... futex resumed>) = 1 [pid 12115] <... futex resumed>) = 0 [pid 12132] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12129] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12115] exit_group(0 [pid 12132] <... futex resumed>) = 1 [pid 12129] <... futex resumed>) = ? [pid 12118] <... futex resumed>) = 0 [pid 12115] <... exit_group resumed>) = ? [pid 12132] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12129] +++ exited with 0 +++ [pid 12118] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12131] rt_sigprocmask(SIG_SETMASK, [], [pid 12126] close(3 [pid 12122] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12120] <... futex resumed>) = ? [pid 12118] <... futex resumed>) = 0 [ 357.776114][T12120] NILFS (loop2): error -5 truncating bmap (ino=16) [ 357.777809][T12129] NILFS (loop2): mounting fs with errors [ 357.783301][T12122] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 357.793842][T12126] loop4: detected capacity change from 0 to 2048 [ 357.799531][T12122] Remounting filesystem read-only [ 357.810282][T12122] NILFS (loop0): error -5 truncating bmap (ino=16) [ 357.820937][T12121] Remounting filesystem read-only [pid 12132] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12118] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12126] <... close resumed>) = 0 [pid 12122] <... futex resumed>) = 0 [pid 12121] <... truncate resumed>) = 0 [pid 12120] +++ exited with 0 +++ [pid 12115] +++ exited with 0 +++ [pid 12131] fspick(AT_FDCWD, ".", 0 [pid 12126] close(4 [pid 12122] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12121] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12131] <... fspick resumed>) = 4 [pid 12126] <... close resumed>) = 0 [pid 12121] <... futex resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12115, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 12131] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12126] mkdir("./file0", 0777 [pid 12121] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 12131] <... futex resumed>) = 1 [pid 12126] <... mkdir resumed>) = 0 [pid 12116] <... futex resumed>) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 12131] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12126] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12116] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./365", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./365", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12119] <... futex resumed>) = 0 [pid 12116] <... futex resumed>) = 1 [pid 5069] <... openat resumed>) = 3 [pid 12119] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5069] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./365/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./365/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] unlink("./365/binderfs" [pid 12132] <... fsconfig resumed>) = 0 [pid 12130] <... fsconfig resumed>) = 0 [pid 12116] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12132] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12130] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12117] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12132] <... futex resumed>) = 1 [pid 12130] <... futex resumed>) = 0 [pid 12118] <... futex resumed>) = 0 [pid 12117] exit_group(0 [pid 12132] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12118] exit_group(0 [pid 12117] <... exit_group resumed>) = ? [pid 12132] <... futex resumed>) = ? [pid 12130] +++ exited with 0 +++ [pid 12122] <... futex resumed>) = ? [pid 12118] <... exit_group resumed>) = ? [pid 12132] +++ exited with 0 +++ [pid 12122] +++ exited with 0 +++ [pid 12121] <... futex resumed>) = ? [pid 12119] <... fsconfig resumed>) = 0 [pid 12118] +++ exited with 0 +++ [pid 5069] <... unlink resumed>) = 0 [pid 12121] +++ exited with 0 +++ [pid 12119] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12117] +++ exited with 0 +++ [pid 5069] umount2("./365/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12118, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 12119] <... futex resumed>) = 1 [pid 12116] <... futex resumed>) = 0 [pid 12119] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12116] exit_group(0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12117, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 12131] <... futex resumed>) = ? [pid 12119] <... futex resumed>) = ? [pid 12116] <... exit_group resumed>) = ? [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 12131] +++ exited with 0 +++ [pid 5070] <... restart_syscall resumed>) = 0 [pid 5070] umount2("./365", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./365", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] newfstatat(3, "", [pid 12119] +++ exited with 0 +++ [pid 12116] +++ exited with 0 +++ [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(3, [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12116, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./365/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./365/binderfs", [pid 5067] umount2("./366", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./362", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] unlink("./365/binderfs" [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... unlink resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./366", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] umount2("./365/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 357.827673][T12121] NILFS (loop3): error -5 truncating bmap (ino=16) [ 357.829479][T12132] NILFS (loop0): mounting fs with errors [ 357.840312][T12130] NILFS (loop3): mounting fs with errors [ 357.850934][T12119] NILFS (loop1): mounting fs with errors [ 357.859749][T12126] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 5068] openat(AT_FDCWD, "./362", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... openat resumed>) = 3 [pid 5068] <... openat resumed>) = 3 [pid 5067] newfstatat(3, "", [pid 5069] <... umount2 resumed>) = 0 [pid 12126] <... mount resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5068] newfstatat(3, "", [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./365/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./366/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12126] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] umount2("./365/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(3, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12126] <... openat resumed>) = 3 [pid 12126] chdir("./file0" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./366/binderfs", [pid 12126] <... chdir resumed>) = 0 [pid 5070] newfstatat(AT_FDCWD, "./365/file0", [pid 5069] newfstatat(AT_FDCWD, "./365/file0", [pid 12126] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12126] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5070] umount2("./365/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12126] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./365/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./362/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] unlink("./366/binderfs" [pid 12126] <... futex resumed>) = 1 [pid 12123] <... futex resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12126] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12123] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] openat(AT_FDCWD, "./365/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./365/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] newfstatat(AT_FDCWD, "./362/binderfs", [pid 5067] <... unlink resumed>) = 0 [pid 12126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12123] <... futex resumed>) = 0 [pid 12126] truncate("./file2", 0 [pid 12123] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... openat resumed>) = 4 [pid 5069] <... openat resumed>) = 4 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./366/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] newfstatat(4, "", [pid 5069] newfstatat(4, "", [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] unlink("./362/binderfs" [pid 5070] getdents64(4, [pid 5069] getdents64(4, [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] <... unlink resumed>) = 0 [pid 5070] getdents64(4, [pid 5069] getdents64(4, [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] close(4 [pid 5069] close(4 [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./365/file0" [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./365/file0" [pid 5070] <... rmdir resumed>) = 0 [pid 5068] umount2("./362/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(3, [ 357.905101][T12133] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5069] <... rmdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 5069] getdents64(3, [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] umount2("./362/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./366/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] rmdir("./365" [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... rmdir resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./366/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./366/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./366/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] mkdir("./366", 0777 [pid 5069] close(3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 4 [pid 5070] <... mkdir resumed>) = 0 [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 12126] <... truncate resumed>) = 0 [pid 12123] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... close resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./362/file0", [pid 12126] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12123] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12126] <... futex resumed>) = 0 [pid 12123] <... futex resumed>) = 0 [pid 5069] rmdir("./365" [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] getdents64(4, [pid 5070] <... openat resumed>) = 3 [pid 12126] fspick(AT_FDCWD, ".", 0 [pid 12123] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12126] <... fspick resumed>) = 4 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 12126] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12123] <... futex resumed>) = 0 [pid 12126] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12123] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12123] <... futex resumed>) = 0 [pid 12126] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [ 357.961487][T12126] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 357.973414][T12126] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 357.984157][T12126] Remounting filesystem read-only [ 357.989640][T12126] NILFS (loop4): error -5 truncating bmap (ino=16) [pid 12123] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] mkdir("./366", 0777 [pid 5068] umount2("./362/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] close(4) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] rmdir("./366/file0" [pid 5068] openat(AT_FDCWD, "./362/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... rmdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5068] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, [pid 5067] getdents64(3, [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12126] <... fsconfig resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5068] getdents64(4, [pid 5067] close(3 [pid 12126] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... close resumed>) = 0 [pid 12126] <... futex resumed>) = 1 [pid 12123] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 12126] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12123] exit_group(0 [pid 5067] rmdir("./366" [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] close(4 [pid 12126] <... futex resumed>) = ? [pid 12123] <... exit_group resumed>) = ? [pid 12126] +++ exited with 0 +++ [pid 5068] <... close resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5068] rmdir("./362/file0" [pid 12123] +++ exited with 0 +++ [pid 5068] <... rmdir resumed>) = 0 [pid 5068] getdents64(3, [pid 5067] mkdir("./367", 0777 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12123, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] umount2("./369", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] close(3 [pid 5067] <... mkdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... close resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./369", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] rmdir("./362" [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 3 [pid 5071] newfstatat(3, "", [pid 5068] <... rmdir resumed>) = 0 [pid 5068] mkdir("./363", 0777) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, [pid 5068] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./369/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./369/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./369/binderfs") = 0 [ 358.008067][T12126] NILFS (loop4): mounting fs with errors [pid 5071] umount2("./369/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5071] umount2("./369/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./369/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] umount2("./369/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./369/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./369/file0") = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 5071] close(3 [pid 5067] <... ioctl resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./369" [pid 5070] close(3 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... ioctl resumed>) = 0 [pid 5071] mkdir("./370", 0777 [pid 5069] <... ioctl resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 12134 attached [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 12134 [pid 12134] set_robust_list(0x555589d386a0, 24 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12134] <... set_robust_list resumed>) = 0 [pid 5069] close(3 [pid 5068] close(3 [pid 5071] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12134] chdir("./366" [pid 5071] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 12135 attached [pid 12134] <... chdir resumed>) = 0 [pid 12135] set_robust_list(0x555589d386a0, 24 [pid 12134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 12135 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 12136 [pid 12135] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 12136 attached [pid 12135] chdir("./366" [pid 12134] <... prctl resumed>) = 0 [pid 12135] <... chdir resumed>) = 0 [pid 5067] close(3 [pid 12136] set_robust_list(0x555589d386a0, 24 [pid 12135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12134] setpgid(0, 0 [pid 12136] <... set_robust_list resumed>) = 0 [pid 12134] <... setpgid resumed>) = 0 [pid 12136] chdir("./363" [pid 12134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12136] <... chdir resumed>) = 0 [pid 12134] <... openat resumed>) = 3 [pid 12136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12134] write(3, "1000", 4) = 4 [pid 12136] <... prctl resumed>) = 0 [pid 12134] close(3 [pid 12136] setpgid(0, 0 [pid 12134] <... close resumed>) = 0 [pid 12136] <... setpgid resumed>) = 0 [pid 12135] <... prctl resumed>) = 0 [pid 12134] symlink("/dev/binderfs", "./binderfs" [pid 5067] <... close resumed>) = 0 [pid 12136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12135] setpgid(0, 0 [pid 12134] <... symlink resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12136] <... openat resumed>) = 3 [pid 12135] <... setpgid resumed>) = 0 [pid 12134] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12136] write(3, "1000", 4 [pid 12134] <... futex resumed>) = 0 [pid 12135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12136] <... write resumed>) = 4 [pid 12134] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12136] close(3 [pid 12134] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12136] <... close resumed>) = 0 [pid 12134] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12135] <... openat resumed>) = 3 [pid 12136] symlink("/dev/binderfs", "./binderfs" [pid 12134] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 12137 attached [pid 12136] <... symlink resumed>) = 0 [pid 12135] write(3, "1000", 4 [pid 12134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 12137 [pid 12135] <... write resumed>) = 4 [pid 12135] close(3) = 0 [pid 12137] set_robust_list(0x555589d386a0, 24 [pid 12136] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12134] <... mmap resumed>) = 0x7f43d3147000 [pid 12137] <... set_robust_list resumed>) = 0 [pid 12136] <... futex resumed>) = 0 [pid 12135] symlink("/dev/binderfs", "./binderfs" [pid 12134] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12137] chdir("./367" [pid 12135] <... symlink resumed>) = 0 [pid 12137] <... chdir resumed>) = 0 [pid 12137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12135] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12135] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 12137] <... prctl resumed>) = 0 [pid 12136] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12134] <... mprotect resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 12137] setpgid(0, 0 [pid 12136] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12135] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12134] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] close(3 [pid 12137] <... setpgid resumed>) = 0 [pid 12136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12134] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... close resumed>) = 0 [pid 12137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12137] <... openat resumed>) = 3 [pid 12136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12137] write(3, "1000", 4 [pid 12136] <... mmap resumed>) = 0x7f43d3147000 [pid 12135] <... mmap resumed>) = 0x7f43d3147000 [pid 12137] <... write resumed>) = 4 [pid 12136] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 12138 attached [pid 12137] close(3 [pid 12136] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 12139 attached [pid 12138] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12137] <... close resumed>) = 0 [pid 12136] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12135] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12134] <... clone3 resumed> => {parent_tid=[12138]}, 88) = 12138 [pid 12139] set_robust_list(0x555589d386a0, 24 [pid 12138] <... rseq resumed>) = 0 [pid 12137] symlink("/dev/binderfs", "./binderfs" [pid 12136] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12135] <... mprotect resumed>) = 0 [pid 12134] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 12139 [pid 12138] set_robust_list(0x7f43d31679a0, 24 [pid 12137] <... symlink resumed>) = 0 [pid 12136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12134] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 12140 attached [pid 12139] <... set_robust_list resumed>) = 0 [pid 12138] <... set_robust_list resumed>) = 0 [pid 12137] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12135] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12134] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12140] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12139] chdir("./370" [pid 12138] rt_sigprocmask(SIG_SETMASK, [], [pid 12137] <... futex resumed>) = 0 [pid 12136] <... clone3 resumed> => {parent_tid=[12140]}, 88) = 12140 [pid 12135] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12134] <... futex resumed>) = 0 [pid 12140] <... rseq resumed>) = 0 [pid 12139] <... chdir resumed>) = 0 [pid 12138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12137] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12136] rt_sigprocmask(SIG_SETMASK, [], [pid 12135] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12134] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12141 attached [pid 12140] set_robust_list(0x7f43d31679a0, 24 [pid 12139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12138] memfd_create("syzkaller", 0 [pid 12137] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12141] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12140] <... set_robust_list resumed>) = 0 [pid 12139] <... prctl resumed>) = 0 [pid 12138] <... memfd_create resumed>) = 3 [pid 12137] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12136] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12135] <... clone3 resumed> => {parent_tid=[12141]}, 88) = 12141 [pid 12141] <... rseq resumed>) = 0 [pid 12140] rt_sigprocmask(SIG_SETMASK, [], [pid 12139] setpgid(0, 0 [pid 12138] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12136] <... futex resumed>) = 0 [pid 12135] rt_sigprocmask(SIG_SETMASK, [], [pid 12141] set_robust_list(0x7f43d31679a0, 24 [pid 12140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12139] <... setpgid resumed>) = 0 [pid 12138] <... mmap resumed>) = 0x7f43cac00000 [pid 12137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12136] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12141] <... set_robust_list resumed>) = 0 [pid 12140] memfd_create("syzkaller", 0 [pid 12139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12137] <... mmap resumed>) = 0x7f43d3147000 [pid 12135] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12141] rt_sigprocmask(SIG_SETMASK, [], [pid 12140] <... memfd_create resumed>) = 3 [pid 12137] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12135] <... futex resumed>) = 0 [pid 12141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12139] <... openat resumed>) = 3 [pid 12137] <... mprotect resumed>) = 0 [pid 12135] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12140] <... mmap resumed>) = 0x7f43cac00000 [pid 12139] write(3, "1000", 4 [pid 12137] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12141] memfd_create("syzkaller", 0 [pid 12139] <... write resumed>) = 4 [pid 12137] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12141] <... memfd_create resumed>) = 3 [pid 12140] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12139] close(3 [pid 12138] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12137] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12139] <... close resumed>) = 0 [pid 12141] <... mmap resumed>) = 0x7f43cac00000 [pid 12139] symlink("/dev/binderfs", "./binderfs") = 0 [pid 12139] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12139] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 ./strace-static-x86_64: Process 12142 attached [pid 12139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12137] <... clone3 resumed> => {parent_tid=[12142]}, 88) = 12142 [pid 12142] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12137] rt_sigprocmask(SIG_SETMASK, [], [pid 12139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 12139] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12139] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12141] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12142] <... rseq resumed>) = 0 [pid 12137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12142] set_robust_list(0x7f43d31679a0, 24 [pid 12137] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12137] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12142] <... set_robust_list resumed>) = 0 [pid 12142] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12139] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 12143 attached [pid 12142] memfd_create("syzkaller", 0 [pid 12143] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12142] <... memfd_create resumed>) = 3 [pid 12143] <... rseq resumed>) = 0 [pid 12142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12143] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 12139] <... clone3 resumed> => {parent_tid=[12143]}, 88) = 12143 [pid 12143] rt_sigprocmask(SIG_SETMASK, [], [pid 12139] rt_sigprocmask(SIG_SETMASK, [], [pid 12143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12142] <... mmap resumed>) = 0x7f43cac00000 [pid 12139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12143] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12140] <... write resumed>) = 1048576 [pid 12139] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12138] <... write resumed>) = 1048576 [pid 12143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12139] <... futex resumed>) = 0 [pid 12143] memfd_create("syzkaller", 0 [pid 12139] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12143] <... memfd_create resumed>) = 3 [pid 12143] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 12143] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12141] <... write resumed>) = 1048576 [pid 12138] munmap(0x7f43cac00000, 138412032 [pid 12140] munmap(0x7f43cac00000, 138412032) = 0 [pid 12140] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12142] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12140] <... openat resumed>) = 4 [pid 12138] <... munmap resumed>) = 0 [pid 12140] ioctl(4, LOOP_SET_FD, 3 [pid 12141] munmap(0x7f43cac00000, 138412032 [pid 12138] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12141] <... munmap resumed>) = 0 [pid 12142] <... write resumed>) = 1048576 [pid 12141] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12140] <... ioctl resumed>) = 0 [pid 12138] <... openat resumed>) = 4 [pid 12138] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 12141] <... openat resumed>) = 4 [pid 12140] close(3 [pid 12138] close(3 [pid 12140] <... close resumed>) = 0 [pid 12141] ioctl(4, LOOP_SET_FD, 3 [pid 12138] <... close resumed>) = 0 [pid 12141] <... ioctl resumed>) = 0 [pid 12140] close(4 [pid 12138] close(4 [pid 12142] munmap(0x7f43cac00000, 138412032 [pid 12140] <... close resumed>) = 0 [pid 12138] <... close resumed>) = 0 [pid 12142] <... munmap resumed>) = 0 [pid 12140] mkdir("./file0", 0777 [pid 12138] mkdir("./file0", 0777 [pid 12140] <... mkdir resumed>) = 0 [pid 12138] <... mkdir resumed>) = 0 [pid 12143] <... write resumed>) = 1048576 [pid 12142] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12141] close(3 [pid 12140] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [ 358.284917][T12140] loop1: detected capacity change from 0 to 2048 [ 358.300871][T12138] loop3: detected capacity change from 0 to 2048 [ 358.309565][T12141] loop2: detected capacity change from 0 to 2048 [pid 12138] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12143] munmap(0x7f43cac00000, 138412032 [pid 12142] <... openat resumed>) = 4 [pid 12141] <... close resumed>) = 0 [pid 12143] <... munmap resumed>) = 0 [pid 12142] ioctl(4, LOOP_SET_FD, 3 [pid 12141] close(4) = 0 [pid 12143] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12141] mkdir("./file0", 0777 [pid 12143] <... openat resumed>) = 4 [pid 12143] ioctl(4, LOOP_SET_FD, 3 [pid 12141] <... mkdir resumed>) = 0 [ 358.341207][T12140] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 358.353197][T12138] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 358.365474][T12142] loop0: detected capacity change from 0 to 2048 [ 358.378248][T12143] loop4: detected capacity change from 0 to 2048 [pid 12141] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12142] <... ioctl resumed>) = 0 [pid 12142] close(3) = 0 [pid 12142] close(4) = 0 [pid 12142] mkdir("./file0", 0777) = 0 [pid 12142] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12143] <... ioctl resumed>) = 0 [pid 12143] close(3) = 0 [pid 12143] close(4) = 0 [pid 12143] mkdir("./file0", 0777) = 0 [pid 12143] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12140] <... mount resumed>) = 0 [pid 12140] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12140] chdir("./file0") = 0 [ 358.388801][T12141] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 358.404529][T12144] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 358.417674][T12142] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12140] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12140] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12138] <... mount resumed>) = 0 [pid 12136] <... futex resumed>) = 0 [pid 12138] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12138] chdir("./file0") = 0 [pid 12138] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12138] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12138] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12141] <... mount resumed>) = 0 [pid 12141] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12141] chdir("./file0") = 0 [pid 12141] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12141] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12141] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12140] truncate("./file2", 0 [pid 12136] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12134] <... futex resumed>) = 0 [ 358.434917][T12143] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 358.445779][T12145] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 358.468806][T12146] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12136] <... futex resumed>) = 0 [pid 12134] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12135] <... futex resumed>) = 0 [pid 12135] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12142] <... mount resumed>) = 0 [pid 12141] <... futex resumed>) = 0 [pid 12135] <... futex resumed>) = 1 [pid 12142] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12141] truncate("./file2", 0 [pid 12135] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12142] <... openat resumed>) = 3 [pid 12138] <... futex resumed>) = 0 [pid 12136] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12134] <... futex resumed>) = 1 [pid 12138] truncate("./file2", 0 [pid 12142] chdir("./file0" [pid 12134] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12142] <... chdir resumed>) = 0 [pid 12142] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12142] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12142] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12137] <... futex resumed>) = 0 [ 358.483190][T12147] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 358.491163][T12141] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 358.497463][T12140] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 358.507975][T12138] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 358.528029][T12140] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 12137] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12142] <... futex resumed>) = 0 [pid 12137] <... futex resumed>) = 1 [pid 12137] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12142] truncate("./file2", 0 [pid 12143] <... mount resumed>) = 0 [pid 12143] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12136] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12135] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12135] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 358.540593][T12148] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 358.555681][T12142] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 358.558082][T12140] Remounting filesystem read-only [ 358.567730][T12141] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 358.573368][T12140] NILFS (loop1): error -5 truncating bmap (ino=16) [pid 12135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12143] chdir("./file0" [pid 12140] <... truncate resumed>) = 0 [pid 12136] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12135] <... mmap resumed>) = 0x7f43d3126000 [pid 12134] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12135] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12135] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12135] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[12149]}, 88) = 12149 [pid 12135] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12135] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12135] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12143] <... chdir resumed>) = 0 [pid 12140] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12136] <... futex resumed>) = 0 [pid 12134] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12149 attached [pid 12149] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 12149] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 12149] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12149] fspick(AT_FDCWD, ".", 0) = 4 [pid 12149] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12135] <... futex resumed>) = 0 [pid 12135] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12135] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12134] <... futex resumed>) = 0 [pid 12140] <... futex resumed>) = 0 [pid 12136] <... mmap resumed>) = 0x7f43d3126000 [pid 12134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12140] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12136] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12134] <... mmap resumed>) = 0x7f43d3126000 [pid 12149] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12136] <... mprotect resumed>) = 0 [pid 12134] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12143] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12134] <... mprotect resumed>) = 0 [pid 12136] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12143] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12143] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12136] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12134] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12143] <... futex resumed>) = 1 [pid 12139] <... futex resumed>) = 0 [pid 12138] <... truncate resumed>) = 0 [pid 12137] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12134] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 12150 attached [pid 12143] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12139] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12137] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12150] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12139] <... futex resumed>) = 0 [pid 12137] <... futex resumed>) = 0 [pid 12136] <... clone3 resumed> => {parent_tid=[12150]}, 88) = 12150 [pid 12150] <... rseq resumed>) = 0 [pid 12143] truncate("./file2", 0 [ 358.589597][T12138] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 358.596210][T12142] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 358.601308][T12138] Remounting filesystem read-only [ 358.616940][T12138] NILFS (loop3): error -5 truncating bmap (ino=16) [ 358.617443][T12141] Remounting filesystem read-only [ 358.633113][T12142] Remounting filesystem read-only [pid 12139] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 12151 attached [pid 12150] set_robust_list(0x7f43d31469a0, 24 [pid 12138] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12136] rt_sigprocmask(SIG_SETMASK, [], [pid 12151] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12150] <... set_robust_list resumed>) = 0 [pid 12150] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12150] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12151] <... rseq resumed>) = 0 [pid 12151] set_robust_list(0x7f43d31469a0, 24 [pid 12142] <... truncate resumed>) = 0 [pid 12138] <... futex resumed>) = 0 [pid 12137] <... mmap resumed>) = 0x7f43d3126000 [pid 12136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12135] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12134] <... clone3 resumed> => {parent_tid=[12151]}, 88) = 12151 [pid 12138] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12137] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12136] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12134] rt_sigprocmask(SIG_SETMASK, [], [pid 12136] <... futex resumed>) = 1 [pid 12134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12137] <... mprotect resumed>) = 0 [pid 12136] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12134] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12151] <... set_robust_list resumed>) = 0 [pid 12150] <... futex resumed>) = 0 [pid 12134] <... futex resumed>) = 0 [pid 12151] rt_sigprocmask(SIG_SETMASK, [], [pid 12150] fspick(AT_FDCWD, ".", 0 [pid 12137] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12134] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12150] <... fspick resumed>) = 4 [pid 12151] fspick(AT_FDCWD, ".", 0) = 4 [pid 12150] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12142] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12137] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12151] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12150] <... futex resumed>) = 1 [pid 12136] <... futex resumed>) = 0 [pid 12151] <... futex resumed>) = 1 [pid 12150] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12136] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12134] <... futex resumed>) = 0 [pid 12151] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12136] <... futex resumed>) = 1 [pid 12134] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12136] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12134] <... futex resumed>) = 1 [ 358.634159][T12143] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 358.638510][T12142] NILFS (loop0): error -5 truncating bmap (ino=16) [ 358.651099][T12141] NILFS (loop2): error -5 truncating bmap (ino=16) [ 358.657241][T12143] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 358.677584][T12143] Remounting filesystem read-only [ 358.684088][T12140] NILFS (loop1): mounting fs with errors [pid 12134] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12142] <... futex resumed>) = 0 [pid 12140] <... futex resumed>) = 0 [pid 12138] <... futex resumed>) = 0 [pid 12137] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12142] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12140] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12138] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12141] <... truncate resumed>) = 0 [pid 12141] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12141] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 12152 attached [pid 12140] <... fsconfig resumed>) = 0 [pid 12139] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12138] <... fsconfig resumed>) = 0 [pid 12152] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12143] <... truncate resumed>) = 0 [pid 12140] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12139] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12138] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12137] <... clone3 resumed> => {parent_tid=[12152]}, 88) = 12152 [pid 12152] <... rseq resumed>) = 0 [pid 12140] <... futex resumed>) = 1 [pid 12139] <... futex resumed>) = 0 [pid 12138] <... futex resumed>) = 1 [pid 12136] <... futex resumed>) = 0 [pid 12134] <... futex resumed>) = 0 [pid 12152] set_robust_list(0x7f43d31469a0, 24 [pid 12149] <... fsconfig resumed>) = 0 [pid 12143] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12140] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12138] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12137] rt_sigprocmask(SIG_SETMASK, [], [pid 12136] exit_group(0 [pid 12134] exit_group(0 [pid 12152] <... set_robust_list resumed>) = 0 [pid 12150] <... futex resumed>) = ? [pid 12149] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12143] <... futex resumed>) = 0 [pid 12140] <... futex resumed>) = ? [pid 12139] <... mmap resumed>) = 0x7f43d3126000 [pid 12137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12136] <... exit_group resumed>) = ? [pid 12134] <... exit_group resumed>) = ? [pid 12152] rt_sigprocmask(SIG_SETMASK, [], [pid 12151] <... futex resumed>) = ? [pid 12150] +++ exited with 0 +++ [pid 12149] <... futex resumed>) = 0 [pid 12143] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12140] +++ exited with 0 +++ [pid 12139] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12138] <... futex resumed>) = ? [pid 12137] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12139] <... mprotect resumed>) = 0 [pid 12135] exit_group(0 [pid 12152] fspick(AT_FDCWD, ".", 0 [pid 12151] +++ exited with 0 +++ [pid 12137] <... futex resumed>) = 0 [pid 12137] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12152] <... fspick resumed>) = 4 [pid 12141] <... futex resumed>) = ? [pid 12139] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12138] +++ exited with 0 +++ [pid 12136] +++ exited with 0 +++ [pid 12135] <... exit_group resumed>) = ? [pid 12134] +++ exited with 0 +++ [pid 12152] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12141] +++ exited with 0 +++ [pid 12139] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12136, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 12152] <... futex resumed>) = 1 [pid 12139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12137] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12134, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- ./strace-static-x86_64: Process 12153 attached [pid 12152] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12149] +++ exited with 0 +++ [pid 12137] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12135] +++ exited with 0 +++ [pid 5070] umount2("./366", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12153] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12142] <... futex resumed>) = 0 [pid 12139] <... clone3 resumed> => {parent_tid=[12153]}, 88) = 12153 [pid 12137] <... futex resumed>) = 1 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12153] <... rseq resumed>) = 0 [pid 12142] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12139] rt_sigprocmask(SIG_SETMASK, [], [ 358.689951][T12138] NILFS (loop3): mounting fs with errors [ 358.696454][T12149] NILFS (loop2): mounting fs with errors [ 358.698810][T12143] NILFS (loop4): error -5 truncating bmap (ino=16) [pid 12137] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] openat(AT_FDCWD, "./366", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./363", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12153] set_robust_list(0x7f43d31469a0, 24 [pid 12142] <... fsconfig resumed>) = 0 [pid 12139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12135, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12153] <... set_robust_list resumed>) = 0 [pid 5070] newfstatat(3, "", [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5068] openat(AT_FDCWD, "./363", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12153] rt_sigprocmask(SIG_SETMASK, [], [pid 12139] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12139] <... futex resumed>) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 12153] fspick(AT_FDCWD, ".", 0 [pid 12139] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] getdents64(3, [pid 5068] newfstatat(3, "", [pid 12153] <... fspick resumed>) = 4 [pid 12142] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12142] <... futex resumed>) = 1 [pid 12137] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12153] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12142] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12137] exit_group(0 [pid 5070] umount2("./366/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./366", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(3, [pid 12153] <... futex resumed>) = 0 [pid 12152] <... futex resumed>) = ? [pid 12142] <... futex resumed>) = ? [pid 12139] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12137] <... exit_group resumed>) = ? [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12153] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12152] +++ exited with 0 +++ [pid 12143] <... futex resumed>) = 0 [pid 12142] +++ exited with 0 +++ [pid 12139] <... futex resumed>) = 1 [pid 5070] newfstatat(AT_FDCWD, "./366/binderfs", [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12143] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12139] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] openat(AT_FDCWD, "./366", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./363/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12137] +++ exited with 0 +++ [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12137, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] unlink("./366/binderfs" [pid 5069] <... openat resumed>) = 3 [pid 5067] umount2("./367", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... unlink resumed>) = 0 [pid 5069] newfstatat(3, "", [pid 5068] newfstatat(AT_FDCWD, "./363/binderfs", [pid 5070] umount2("./366/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./366/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] unlink("./363/binderfs" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... unlink resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./367", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] newfstatat(AT_FDCWD, "./366/binderfs", [pid 5068] umount2("./363/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5069] unlink("./366/binderfs" [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5067] getdents64(3, [pid 5069] umount2("./366/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12143] <... fsconfig resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12143] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12139] <... futex resumed>) = 0 [pid 5070] umount2("./366/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./363/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./367/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12143] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12139] exit_group(0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12153] <... futex resumed>) = ? [pid 12143] <... futex resumed>) = ? [pid 12139] <... exit_group resumed>) = ? [pid 5070] newfstatat(AT_FDCWD, "./366/file0", [pid 5068] newfstatat(AT_FDCWD, "./363/file0", [pid 5067] newfstatat(AT_FDCWD, "./367/binderfs", [pid 12153] +++ exited with 0 +++ [pid 12143] +++ exited with 0 +++ [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./367/binderfs" [pid 12139] +++ exited with 0 +++ [pid 5070] umount2("./366/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./363/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... unlink resumed>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12139, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./367/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./363/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "./366/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5068] <... openat resumed>) = 4 [pid 5070] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] umount2("./370", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(4, "", [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(4, [pid 5071] openat(AT_FDCWD, "./370", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 358.740133][T12142] NILFS (loop0): mounting fs with errors [ 358.759799][T12143] NILFS (loop4): mounting fs with errors [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] newfstatat(3, "", [pid 5070] getdents64(4, [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] getdents64(4, [pid 5071] getdents64(3, [pid 5070] close(4 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] umount2("./370/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] rmdir("./366/file0" [pid 5068] getdents64(4, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./366/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... rmdir resumed>) = 0 [pid 5071] newfstatat(AT_FDCWD, "./370/binderfs", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] getdents64(3, [pid 5068] close(4 [pid 5071] unlink("./370/binderfs" [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] umount2("./367/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... unlink resumed>) = 0 [pid 5070] close(3 [pid 5069] newfstatat(AT_FDCWD, "./366/file0", [pid 5068] rmdir("./363/file0" [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./367/file0", [pid 5071] umount2("./370/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [pid 5069] umount2("./366/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(3, [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] rmdir("./366" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] umount2("./367/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... rmdir resumed>) = 0 [pid 5068] close(3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... close resumed>) = 0 [pid 5068] rmdir("./363" [pid 5070] mkdir("./367", 0777 [pid 5069] openat(AT_FDCWD, "./366/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... rmdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./367/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5069] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(4, [pid 5067] <... openat resumed>) = 4 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] mkdir("./364", 0777 [pid 5067] newfstatat(4, "", [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] getdents64(4, [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5069] close(4 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] getdents64(4, [pid 5069] rmdir("./366/file0" [pid 5071] <... umount2 resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] umount2("./370/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] getdents64(4, [pid 5071] newfstatat(AT_FDCWD, "./370/file0", [pid 5069] close(3 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... close resumed>) = 0 [pid 5067] close(4 [pid 5071] umount2("./370/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./370/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] newfstatat(4, "", [pid 5069] rmdir("./366" [pid 5067] <... close resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] rmdir("./367/file0" [pid 5071] getdents64(4, [pid 5067] <... rmdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] mkdir("./367", 0777 [pid 5071] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./370/file0") = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./370") = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 5067] getdents64(3, [pid 5071] mkdir("./371", 0777 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5067] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] close(3 [pid 5067] rmdir("./367" [pid 5069] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... rmdir resumed>) = 0 [pid 5067] mkdir("./368", 0777 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5067] <... mkdir resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] <... ioctl resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 12154 attached [pid 12154] set_robust_list(0x555589d386a0, 24) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 12154 [pid 12154] chdir("./364" [pid 5070] close(3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 12154] <... chdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 12154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12154] <... prctl resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 12155 ./strace-static-x86_64: Process 12155 attached [pid 12154] setpgid(0, 0) = 0 [pid 12155] set_robust_list(0x555589d386a0, 24 [pid 12154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12155] <... set_robust_list resumed>) = 0 [pid 12154] <... openat resumed>) = 3 [pid 12154] write(3, "1000", 4) = 4 [pid 12155] chdir("./367" [pid 12154] close(3 [pid 12155] <... chdir resumed>) = 0 [pid 12155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12155] setpgid(0, 0) = 0 [pid 12155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12154] <... close resumed>) = 0 [pid 12155] write(3, "1000", 4 [pid 12154] symlink("/dev/binderfs", "./binderfs" [pid 12155] <... write resumed>) = 4 [pid 12155] close(3) = 0 [pid 12155] symlink("/dev/binderfs", "./binderfs") = 0 [pid 12155] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12155] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 12155] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12154] <... symlink resumed>) = 0 [pid 12155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 12154] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12155] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12154] <... futex resumed>) = 0 [pid 12154] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 12154] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12155] <... mprotect resumed>) = 0 [pid 12154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 12154] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12155] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12154] <... mprotect resumed>) = 0 [pid 5067] <... ioctl resumed>) = 0 [pid 12155] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12154] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] <... ioctl resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 12154] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] close(3./strace-static-x86_64: Process 12156 attached [pid 5071] close(3 [pid 5069] <... close resumed>) = 0 [pid 12155] <... clone3 resumed> => {parent_tid=[12156]}, 88) = 12156 [pid 12154] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... close resumed>) = 0 [pid 12154] <... clone3 resumed> => {parent_tid=[12157]}, 88) = 12157 [pid 12154] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12154] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12154] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12157 attached [pid 12157] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12155] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12157] <... rseq resumed>) = 0 [pid 12155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] close(3 [pid 12155] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 12158 [pid 12155] <... futex resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 12156] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 12159 ./strace-static-x86_64: Process 12158 attached [pid 12157] set_robust_list(0x7f43d31679a0, 24 [pid 12156] <... rseq resumed>) = 0 [pid 12155] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12156] set_robust_list(0x7f43d31679a0, 24 [pid 12158] set_robust_list(0x555589d386a0, 24./strace-static-x86_64: Process 12159 attached ) = 0 [pid 12157] <... set_robust_list resumed>) = 0 [pid 12156] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 12160 attached [pid 12159] set_robust_list(0x555589d386a0, 24 [pid 12158] chdir("./367" [pid 12157] rt_sigprocmask(SIG_SETMASK, [], [pid 12156] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 12160 [pid 12160] set_robust_list(0x555589d386a0, 24 [pid 12159] <... set_robust_list resumed>) = 0 [pid 12158] <... chdir resumed>) = 0 [pid 12157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12160] <... set_robust_list resumed>) = 0 [pid 12159] chdir("./371" [pid 12158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12157] memfd_create("syzkaller", 0 [pid 12160] chdir("./368" [pid 12159] <... chdir resumed>) = 0 [pid 12158] <... prctl resumed>) = 0 [pid 12157] <... memfd_create resumed>) = 3 [pid 12156] memfd_create("syzkaller", 0 [pid 12160] <... chdir resumed>) = 0 [pid 12159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12158] setpgid(0, 0 [pid 12160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12158] <... setpgid resumed>) = 0 [pid 12157] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12156] <... memfd_create resumed>) = 3 [pid 12158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12157] <... mmap resumed>) = 0x7f43cac00000 [pid 12160] <... prctl resumed>) = 0 [pid 12158] <... openat resumed>) = 3 [pid 12156] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12159] <... prctl resumed>) = 0 [pid 12160] setpgid(0, 0 [pid 12159] setpgid(0, 0 [pid 12156] <... mmap resumed>) = 0x7f43cac00000 [pid 12159] <... setpgid resumed>) = 0 [pid 12159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12158] write(3, "1000", 4 [pid 12160] <... setpgid resumed>) = 0 [pid 12159] <... openat resumed>) = 3 [pid 12160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12158] <... write resumed>) = 4 [pid 12158] close(3 [pid 12159] write(3, "1000", 4 [pid 12158] <... close resumed>) = 0 [pid 12158] symlink("/dev/binderfs", "./binderfs" [pid 12159] <... write resumed>) = 4 [pid 12160] <... openat resumed>) = 3 [pid 12159] close(3) = 0 [pid 12159] symlink("/dev/binderfs", "./binderfs") = 0 [pid 12157] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12159] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12160] write(3, "1000", 4 [pid 12159] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12158] <... symlink resumed>) = 0 [pid 12160] <... write resumed>) = 4 [pid 12159] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12160] close(3 [pid 12159] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12160] <... close resumed>) = 0 [pid 12159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 12160] symlink("/dev/binderfs", "./binderfs" [pid 12159] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12158] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12160] <... symlink resumed>) = 0 [pid 12159] <... mprotect resumed>) = 0 [pid 12158] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12160] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12159] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12158] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12156] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12160] <... futex resumed>) = 0 [pid 12159] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12158] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12160] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12159] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 12161 attached [pid 12158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12161] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12160] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12159] <... clone3 resumed> => {parent_tid=[12161]}, 88) = 12161 [pid 12158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12160] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12161] <... rseq resumed>) = 0 [pid 12160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12159] rt_sigprocmask(SIG_SETMASK, [], [pid 12158] <... mmap resumed>) = 0x7f43d3147000 [pid 12161] set_robust_list(0x7f43d31679a0, 24 [pid 12160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12161] <... set_robust_list resumed>) = 0 [pid 12160] <... mmap resumed>) = 0x7f43d3147000 [pid 12159] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12158] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12161] rt_sigprocmask(SIG_SETMASK, [], [pid 12160] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12159] <... futex resumed>) = 0 [pid 12161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12159] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12160] <... mprotect resumed>) = 0 [pid 12158] <... mprotect resumed>) = 0 [pid 12161] memfd_create("syzkaller", 0 [pid 12158] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12161] <... memfd_create resumed>) = 3 [pid 12160] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12158] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12161] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12160] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12158] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12161] <... mmap resumed>) = 0x7f43cac00000 ./strace-static-x86_64: Process 12162 attached [pid 12160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12157] <... write resumed>) = 1048576 [pid 12162] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 12161] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12158] <... clone3 resumed> => {parent_tid=[12162]}, 88) = 12162 [pid 12157] munmap(0x7f43cac00000, 138412032 [pid 12156] <... write resumed>) = 1048576 [pid 12162] set_robust_list(0x7f43d31679a0, 24 [pid 12158] rt_sigprocmask(SIG_SETMASK, [], [pid 12162] <... set_robust_list resumed>) = 0 [pid 12158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12162] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 12163 attached [pid 12162] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12163] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12157] <... munmap resumed>) = 0 [pid 12163] <... rseq resumed>) = 0 [pid 12162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12158] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12156] munmap(0x7f43cac00000, 138412032 [pid 12160] <... clone3 resumed> => {parent_tid=[12163]}, 88) = 12163 [pid 12163] set_robust_list(0x7f43d31679a0, 24 [pid 12160] rt_sigprocmask(SIG_SETMASK, [], [pid 12163] <... set_robust_list resumed>) = 0 [pid 12163] rt_sigprocmask(SIG_SETMASK, [], [pid 12160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12160] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12163] memfd_create("syzkaller", 0 [pid 12162] memfd_create("syzkaller", 0 [pid 12160] <... futex resumed>) = 0 [pid 12158] <... futex resumed>) = 0 [pid 12157] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12156] <... munmap resumed>) = 0 [pid 12163] <... memfd_create resumed>) = 3 [pid 12162] <... memfd_create resumed>) = 3 [pid 12160] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12158] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12157] <... openat resumed>) = 4 [pid 12156] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12163] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12162] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12157] ioctl(4, LOOP_SET_FD, 3 [pid 12163] <... mmap resumed>) = 0x7f43cac00000 [pid 12162] <... mmap resumed>) = 0x7f43cac00000 [pid 12161] <... write resumed>) = 1048576 [pid 12156] <... openat resumed>) = 4 [pid 12162] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12161] munmap(0x7f43cac00000, 138412032 [pid 12157] <... ioctl resumed>) = 0 [pid 12156] ioctl(4, LOOP_SET_FD, 3 [pid 12157] close(3) = 0 [pid 12157] close(4) = 0 [pid 12157] mkdir("./file0", 0777 [pid 12161] <... munmap resumed>) = 0 [pid 12163] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12157] <... mkdir resumed>) = 0 [pid 12157] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12161] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 12161] ioctl(4, LOOP_SET_FD, 3 [pid 12156] <... ioctl resumed>) = 0 [pid 12156] close(3) = 0 [pid 12156] close(4) = 0 [pid 12156] mkdir("./file0", 0777) = 0 [ 359.066437][T12157] loop1: detected capacity change from 0 to 2048 [ 359.083242][T12156] loop3: detected capacity change from 0 to 2048 [ 359.099600][T12157] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12156] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12163] <... write resumed>) = 1048576 [pid 12162] <... write resumed>) = 1048576 [pid 12163] munmap(0x7f43cac00000, 138412032) = 0 [pid 12162] munmap(0x7f43cac00000, 138412032) = 0 [pid 12162] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 12161] <... ioctl resumed>) = 0 [pid 12161] close(3 [pid 12162] ioctl(4, LOOP_SET_FD, 3 [pid 12163] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12161] <... close resumed>) = 0 [pid 12163] <... openat resumed>) = 4 [pid 12161] close(4) = 0 [pid 12161] mkdir("./file0", 0777 [pid 12163] ioctl(4, LOOP_SET_FD, 3 [pid 12161] <... mkdir resumed>) = 0 [ 359.111438][T12156] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 359.122745][T12161] loop4: detected capacity change from 0 to 2048 [ 359.143115][T12162] loop2: detected capacity change from 0 to 2048 [ 359.152728][T12163] loop0: detected capacity change from 0 to 2048 [pid 12161] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12162] <... ioctl resumed>) = 0 [pid 12163] <... ioctl resumed>) = 0 [pid 12162] close(3 [pid 12157] <... mount resumed>) = 0 [pid 12163] close(3 [pid 12157] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12163] <... close resumed>) = 0 [pid 12163] close(4 [pid 12162] <... close resumed>) = 0 [pid 12162] close(4) = 0 [pid 12162] mkdir("./file0", 0777) = 0 [pid 12162] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12157] <... openat resumed>) = 3 [pid 12163] <... close resumed>) = 0 [pid 12156] <... mount resumed>) = 0 [pid 12156] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12156] chdir("./file0") = 0 [pid 12156] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12156] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12155] <... futex resumed>) = 0 [pid 12157] chdir("./file0" [pid 12156] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12155] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12155] <... futex resumed>) = 0 [pid 12156] truncate("./file2", 0 [ 359.160389][T12161] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 359.172083][T12164] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 359.188237][T12165] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 359.203190][T12162] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 359.218014][T12156] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 359.218472][T12166] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 359.240738][T12156] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 12155] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12163] mkdir("./file0", 0777 [pid 12157] <... chdir resumed>) = 0 [pid 12157] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12163] <... mkdir resumed>) = 0 [pid 12157] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12161] <... mount resumed>) = 0 [pid 12161] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12163] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12161] chdir("./file0" [pid 12157] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12161] <... chdir resumed>) = 0 [pid 12157] <... futex resumed>) = 1 [pid 12161] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12157] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12161] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12161] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12155] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12155] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12155] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12155] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12155] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[12167]}, 88) = 12167 [pid 12155] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 12167 attached NULL, 8) = 0 [pid 12167] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12155] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12167] <... rseq resumed>) = 0 [pid 12155] <... futex resumed>) = 0 [pid 12167] set_robust_list(0x7f43d31469a0, 24 [pid 12155] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12154] <... futex resumed>) = 0 [pid 12167] <... set_robust_list resumed>) = 0 [pid 12154] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12167] rt_sigprocmask(SIG_SETMASK, [], [pid 12159] <... futex resumed>) = 0 [pid 12157] <... futex resumed>) = 0 [pid 12154] <... futex resumed>) = 1 [pid 12157] truncate("./file2", 0 [pid 12167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12159] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [ 359.262717][T12163] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 359.282164][T12156] Remounting filesystem read-only [ 359.287277][T12156] NILFS (loop3): error -5 truncating bmap (ino=16) [ 359.295340][T12157] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 12154] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12167] fspick(AT_FDCWD, ".", 0 [pid 12161] <... futex resumed>) = 0 [pid 12159] <... futex resumed>) = 1 [pid 12162] <... mount resumed>) = 0 [pid 12156] <... truncate resumed>) = 0 [pid 12155] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12167] <... fspick resumed>) = 4 [pid 12161] truncate("./file2", 0 [pid 12156] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12155] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12167] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12159] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12156] <... futex resumed>) = 0 [pid 12155] <... futex resumed>) = 0 [pid 12167] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12155] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12156] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12162] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12162] chdir("./file0") = 0 [pid 12162] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12162] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12162] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12154] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12154] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12154] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12154] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12163] <... mount resumed>) = 0 [pid 12163] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12154] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12163] <... openat resumed>) = 3 [pid 12163] chdir("./file0" [pid 12154] <... clone3 resumed> => {parent_tid=[12170]}, 88) = 12170 [pid 12163] <... chdir resumed>) = 0 [ 359.309766][T12157] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 359.309857][T12168] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 359.314816][T12169] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 359.344199][T12161] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 359.355793][T12156] NILFS (loop3): mounting fs with errors [ 359.363381][T12157] Remounting filesystem read-only [pid 12154] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 12170 attached [pid 12163] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12158] <... futex resumed>) = 0 [pid 12156] <... fsconfig resumed>) = 0 [pid 12154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12170] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12163] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12158] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12156] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12154] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12163] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12154] <... futex resumed>) = 0 [pid 12163] <... futex resumed>) = 1 [pid 12154] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12163] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12157] <... truncate resumed>) = 0 [pid 12170] <... rseq resumed>) = 0 [pid 12162] <... futex resumed>) = 0 [pid 12160] <... futex resumed>) = 0 [pid 12159] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12158] <... futex resumed>) = 1 [pid 12156] <... futex resumed>) = 1 [pid 12155] <... futex resumed>) = 0 [pid 12161] <... truncate resumed>) = 0 [pid 12161] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12161] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12157] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12170] set_robust_list(0x7f43d31469a0, 24 [pid 12162] truncate("./file2", 0 [pid 12160] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12159] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12158] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12156] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12155] exit_group(0 [pid 12170] <... set_robust_list resumed>) = 0 [pid 12167] <... futex resumed>) = ? [pid 12163] <... futex resumed>) = 0 [pid 12161] <... futex resumed>) = 0 [pid 12160] <... futex resumed>) = 1 [pid 12159] <... futex resumed>) = 1 [pid 12157] <... futex resumed>) = 0 [pid 12156] <... futex resumed>) = ? [pid 12155] <... exit_group resumed>) = ? [ 359.370092][T12157] NILFS (loop1): error -5 truncating bmap (ino=16) [ 359.377190][T12161] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 359.387458][T12161] Remounting filesystem read-only [ 359.392890][T12161] NILFS (loop4): error -5 truncating bmap (ino=16) [pid 12170] rt_sigprocmask(SIG_SETMASK, [], [pid 12167] +++ exited with 0 +++ [pid 12163] truncate("./file2", 0 [pid 12170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12161] fspick(AT_FDCWD, ".", 0 [pid 12160] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12159] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12157] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12156] +++ exited with 0 +++ [pid 12155] +++ exited with 0 +++ [pid 12154] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12154] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12154] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12170] fspick(AT_FDCWD, ".", 0 [pid 12161] <... fspick resumed>) = 4 [pid 12157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12170] <... fspick resumed>) = 4 [pid 12161] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12157] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12155, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 12170] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12161] <... futex resumed>) = 1 [pid 12159] <... futex resumed>) = 0 [pid 12157] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 12170] <... futex resumed>) = 0 [pid 12161] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12159] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12157] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... restart_syscall resumed>) = 0 [pid 12170] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12159] <... futex resumed>) = 0 [pid 12157] <... futex resumed>) = 1 [pid 12161] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12159] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12157] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12154] <... futex resumed>) = 0 [pid 5070] umount2("./367", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./367", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 12158] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] newfstatat(3, "", [pid 12158] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12158] <... futex resumed>) = 0 [pid 5070] getdents64(3, [pid 12158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12158] <... mmap resumed>) = 0x7f43d3126000 [pid 5070] umount2("./367/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12158] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12158] <... mprotect resumed>) = 0 [pid 5070] newfstatat(AT_FDCWD, "./367/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12158] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12154] exit_group(0 [ 359.414371][T12162] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 359.417186][T12163] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 359.428169][T12162] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 359.438575][T12163] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 359.451164][T12161] NILFS (loop4): mounting fs with errors [ 359.455893][T12162] Remounting filesystem read-only [pid 5070] unlink("./367/binderfs" [pid 12170] <... futex resumed>) = ? [pid 12161] <... fsconfig resumed>) = 0 [pid 12158] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12157] <... futex resumed>) = ? [pid 12154] <... exit_group resumed>) = ? [pid 5070] <... unlink resumed>) = 0 [pid 12170] +++ exited with 0 +++ [pid 12161] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12158] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12157] +++ exited with 0 +++ [pid 5070] umount2("./367/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 12171 attached [pid 12161] <... futex resumed>) = 1 [pid 12159] <... futex resumed>) = 0 [pid 12171] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12161] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12159] exit_group(0 [pid 12171] <... rseq resumed>) = 0 [pid 12161] <... futex resumed>) = ? [pid 12159] <... exit_group resumed>) = ? [pid 12158] <... clone3 resumed> => {parent_tid=[12171]}, 88) = 12171 [pid 12171] set_robust_list(0x7f43d31469a0, 24 [pid 12161] +++ exited with 0 +++ [pid 12159] +++ exited with 0 +++ [pid 12158] rt_sigprocmask(SIG_SETMASK, [], [pid 12171] <... set_robust_list resumed>) = 0 [pid 12158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12159, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 12171] rt_sigprocmask(SIG_SETMASK, [], [pid 12158] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12154] +++ exited with 0 +++ [pid 12171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12158] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12154, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 12171] fspick(AT_FDCWD, ".", 0 [pid 12158] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12171] <... fspick resumed>) = 4 [pid 12171] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] umount2("./371", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12171] <... futex resumed>) = 1 [pid 12158] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12171] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12158] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] openat(AT_FDCWD, "./371", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12158] <... futex resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 12171] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12158] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] newfstatat(3, "", [pid 5068] umount2("./364", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12162] <... truncate resumed>) = 0 [pid 12162] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12171] <... fsconfig resumed>) = 0 [pid 12160] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12171] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12160] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] getdents64(3, [pid 5068] openat(AT_FDCWD, "./364", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12171] <... futex resumed>) = 1 [pid 12160] <... futex resumed>) = 0 [pid 12171] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12163] <... truncate resumed>) = 0 [pid 12162] <... futex resumed>) = 0 [pid 12160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12158] <... futex resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] <... openat resumed>) = 3 [pid 12163] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12162] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12160] <... mmap resumed>) = 0x7f43d3126000 [pid 12158] exit_group(0 [pid 5071] umount2("./371/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = 0 [pid 5068] newfstatat(3, "", [pid 12171] <... futex resumed>) = ? [pid 12163] <... futex resumed>) = 0 [pid 12162] <... futex resumed>) = ? [pid 12160] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12158] <... exit_group resumed>) = ? [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./367/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12171] +++ exited with 0 +++ [pid 12162] +++ exited with 0 +++ [pid 12160] <... mprotect resumed>) = 0 [pid 5071] newfstatat(AT_FDCWD, "./371/binderfs", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(3, [pid 12160] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] newfstatat(AT_FDCWD, "./367/file0", [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12163] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12160] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12158] +++ exited with 0 +++ [pid 5071] unlink("./371/binderfs" [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./364/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5071] <... unlink resumed>) = 0 [pid 5070] umount2("./367/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 12172 attached [pid 5071] umount2("./371/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12158, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5068] newfstatat(AT_FDCWD, "./364/binderfs", [pid 12172] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12160] <... clone3 resumed> => {parent_tid=[12172]}, 88) = 12172 [pid 5070] openat(AT_FDCWD, "./367/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 12160] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 12160] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5068] unlink("./364/binderfs" [pid 12172] <... rseq resumed>) = 0 [pid 12160] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] newfstatat(4, "", [pid 12172] set_robust_list(0x7f43d31469a0, 24 [pid 5068] <... unlink resumed>) = 0 [pid 12172] <... set_robust_list resumed>) = 0 [pid 12172] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12172] fspick(AT_FDCWD, ".", 0) = 4 [pid 5069] umount2("./367", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./364/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12172] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12172] <... futex resumed>) = 1 [pid 12160] <... futex resumed>) = 0 [pid 5070] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12172] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] openat(AT_FDCWD, "./367", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] <... openat resumed>) = 3 [ 359.469265][T12162] NILFS (loop2): error -5 truncating bmap (ino=16) [ 359.485209][T12171] NILFS (loop2): mounting fs with errors [ 359.488768][T12163] Remounting filesystem read-only [ 359.496333][T12163] NILFS (loop0): error -5 truncating bmap (ino=16) [pid 5070] close(4 [pid 12160] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12163] <... futex resumed>) = 0 [pid 12160] <... futex resumed>) = 1 [pid 12163] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5070] <... close resumed>) = 0 [pid 5069] newfstatat(3, "", [pid 12160] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] rmdir("./367/file0" [pid 12163] <... fsconfig resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12163] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... rmdir resumed>) = 0 [pid 12163] <... futex resumed>) = 1 [pid 12160] <... futex resumed>) = 0 [pid 12160] exit_group(0 [pid 12172] <... futex resumed>) = ? [pid 12160] <... exit_group resumed>) = ? [pid 12172] +++ exited with 0 +++ [pid 5069] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./367/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(3, [pid 5069] newfstatat(AT_FDCWD, "./367/binderfs", [pid 12163] +++ exited with 0 +++ [pid 12160] +++ exited with 0 +++ [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] close(3 [pid 5069] unlink("./367/binderfs" [pid 5070] <... close resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12160, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5070] rmdir("./367" [pid 5071] umount2("./371/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... rmdir resumed>) = 0 [pid 5069] umount2("./367/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./368", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./368", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] mkdir("./368", 0777 [pid 5067] <... openat resumed>) = 3 [pid 5070] <... mkdir resumed>) = 0 [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 359.524019][ T5068] NILFS (loop1): discard dirty page: offset=4096, ino=6 [ 359.526087][T12163] NILFS (loop0): mounting fs with errors [ 359.533296][ T5068] NILFS (loop1): discard dirty block: blocknr=39, size=1024 [ 359.545365][ T5068] NILFS (loop1): discard dirty block: blocknr=18446744073709551615, size=1024 [ 359.556103][ T5068] NILFS (loop1): discard dirty block: blocknr=18446744073709551615, size=1024 [ 359.565695][ T5068] NILFS (loop1): discard dirty block: blocknr=18446744073709551615, size=1024 [pid 5067] getdents64(3, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] newfstatat(AT_FDCWD, "./371/file0", [pid 5070] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] umount2("./367/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./371/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./367/file0", [pid 5071] openat(AT_FDCWD, "./371/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5069] umount2("./367/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] newfstatat(4, "", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] openat(AT_FDCWD, "./367/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] getdents64(4, [pid 5069] <... openat resumed>) = 4 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(4, [pid 5071] close(4) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] rmdir("./371/file0") = 0 [pid 5069] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./367/file0" [pid 5067] umount2("./368/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(3, [pid 5069] <... rmdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] newfstatat(AT_FDCWD, "./368/binderfs", [pid 5071] close(3) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] rmdir("./371" [pid 5069] getdents64(3, [pid 5067] unlink("./368/binderfs" [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] close(3 [pid 5071] mkdir("./372", 0777 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] umount2("./364/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./368/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... ioctl resumed>) = 0 [pid 5069] rmdir("./367" [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... rmdir resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./364/file0", [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5070] close(3 [pid 5068] umount2("./364/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] <... close resumed>) = 0 [pid 5069] mkdir("./368", 0777 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... mkdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./364/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 12173 attached ) = 4 [pid 12173] set_robust_list(0x555589d386a0, 24 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] <... umount2 resumed>) = 0 [pid 12173] <... set_robust_list resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 12173 [pid 5069] <... openat resumed>) = 3 [pid 5068] newfstatat(4, "", [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, [pid 12173] chdir("./368" [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] umount2("./368/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12173] <... chdir resumed>) = 0 [pid 12173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12173] <... prctl resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./368/file0", [pid 5068] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] close(4 [pid 12173] setpgid(0, 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12173] <... setpgid resumed>) = 0 [pid 5067] umount2("./368/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] rmdir("./364/file0" [pid 12173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... rmdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./368/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 359.575959][ T5068] NILFS (loop1): disposed unprocessed dirty file(s) when detaching log writer [pid 5068] getdents64(3, [pid 5067] <... openat resumed>) = 4 [pid 12173] <... openat resumed>) = 3 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12173] write(3, "1000", 4) = 4 [pid 12173] close(3 [pid 5068] close(3 [pid 5067] newfstatat(4, "", [pid 12173] <... close resumed>) = 0 [pid 12173] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... close resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, [pid 12173] <... symlink resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 5068] rmdir("./364" [pid 12173] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] close(3 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] <... close resumed>) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] close(4 [pid 12173] <... futex resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5067] rmdir("./368/file0") = 0 ./strace-static-x86_64: Process 12174 attached [pid 5067] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12174] set_robust_list(0x555589d386a0, 24 [pid 12173] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5069] <... ioctl resumed>) = 0 [pid 5068] mkdir("./365", 0777 [pid 5067] close(3 [pid 12173] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12173] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12174] <... set_robust_list resumed>) = 0 [pid 12173] <... mmap resumed>) = 0x7f43d3147000 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 12174 [pid 5069] close(3 [pid 5068] <... mkdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 12173] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12174] chdir("./372" [pid 12173] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] <... close resumed>) = 0 [pid 5067] rmdir("./368" [pid 12174] <... chdir resumed>) = 0 [pid 12173] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... openat resumed>) = 3 [pid 12173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5068] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 12175 attached [pid 12174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12175] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12174] <... prctl resumed>) = 0 [pid 12173] <... clone3 resumed> => {parent_tid=[12175]}, 88) = 12175 [pid 5067] <... rmdir resumed>) = 0 [pid 12175] <... rseq resumed>) = 0 [pid 12175] set_robust_list(0x7f43d31679a0, 24 [pid 5067] mkdir("./369", 0777 [pid 12175] <... set_robust_list resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 12176 [pid 5067] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 12176 attached [pid 12175] rt_sigprocmask(SIG_SETMASK, [], [pid 12174] setpgid(0, 0 [pid 12173] rt_sigprocmask(SIG_SETMASK, [], [pid 12176] set_robust_list(0x555589d386a0, 24 [pid 12174] <... setpgid resumed>) = 0 [pid 12175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12175] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12176] <... set_robust_list resumed>) = 0 [pid 12174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12176] chdir("./368" [pid 5067] <... openat resumed>) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 12174] <... openat resumed>) = 3 [pid 12173] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12176] <... chdir resumed>) = 0 [pid 12175] <... futex resumed>) = 0 [pid 12173] <... futex resumed>) = 1 [pid 12175] memfd_create("syzkaller", 0 [pid 12174] write(3, "1000", 4) = 4 [pid 12176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12175] <... memfd_create resumed>) = 3 [pid 12176] <... prctl resumed>) = 0 [pid 12174] close(3 [pid 12173] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12176] setpgid(0, 0 [pid 12175] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12174] <... close resumed>) = 0 [pid 12175] <... mmap resumed>) = 0x7f43cac00000 [pid 12174] symlink("/dev/binderfs", "./binderfs" [pid 12176] <... setpgid resumed>) = 0 [pid 12174] <... symlink resumed>) = 0 [pid 12176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12174] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12176] <... openat resumed>) = 3 [pid 12174] <... futex resumed>) = 0 [pid 12176] write(3, "1000", 4 [pid 12174] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12176] <... write resumed>) = 4 [pid 12174] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12176] close(3) = 0 [pid 12174] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12176] symlink("/dev/binderfs", "./binderfs" [pid 12174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12175] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12176] <... symlink resumed>) = 0 [pid 12174] <... mmap resumed>) = 0x7f43d3147000 [pid 12174] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12176] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12174] <... mprotect resumed>) = 0 [pid 12174] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12174] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 12177 attached [pid 12177] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12174] <... clone3 resumed> => {parent_tid=[12177]}, 88) = 12177 [pid 12177] <... rseq resumed>) = 0 [pid 12174] rt_sigprocmask(SIG_SETMASK, [], [pid 12177] set_robust_list(0x7f43d31679a0, 24 [pid 12174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12177] <... set_robust_list resumed>) = 0 [pid 12174] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12177] rt_sigprocmask(SIG_SETMASK, [], [pid 12174] <... futex resumed>) = 0 [pid 12177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12174] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12177] memfd_create("syzkaller", 0) = 3 [pid 12176] <... futex resumed>) = 0 [pid 12175] <... write resumed>) = 1048576 [pid 12177] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12176] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12175] munmap(0x7f43cac00000, 138412032 [pid 12177] <... mmap resumed>) = 0x7f43cac00000 [pid 12176] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12175] <... munmap resumed>) = 0 [pid 12175] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12176] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] <... ioctl resumed>) = 0 [pid 5067] <... ioctl resumed>) = 0 [pid 12176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12175] <... openat resumed>) = 4 [pid 12175] ioctl(4, LOOP_SET_FD, 3 [pid 12177] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] close(3 [pid 5067] close(3 [pid 12176] <... mmap resumed>) = 0x7f43d3147000 [pid 12176] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5067] <... close resumed>) = 0 [pid 12176] <... mprotect resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12175] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 12178 attached [pid 12176] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12176] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12178] set_robust_list(0x555589d386a0, 24 [pid 12175] close(3./strace-static-x86_64: Process 12179 attached [pid 12178] <... set_robust_list resumed>) = 0 [pid 12176] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 12178 [pid 12179] set_robust_list(0x555589d386a0, 24 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 12179 ./strace-static-x86_64: Process 12180 attached [pid 12179] <... set_robust_list resumed>) = 0 [pid 12178] chdir("./369" [pid 12176] <... clone3 resumed> => {parent_tid=[12180]}, 88) = 12180 [pid 12175] <... close resumed>) = 0 [pid 12180] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12179] chdir("./365" [pid 12178] <... chdir resumed>) = 0 [pid 12176] rt_sigprocmask(SIG_SETMASK, [], [pid 12175] close(4 [pid 12180] <... rseq resumed>) = 0 [pid 12179] <... chdir resumed>) = 0 [pid 12178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12177] <... write resumed>) = 1048576 [pid 12176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12175] <... close resumed>) = 0 [pid 12180] set_robust_list(0x7f43d31679a0, 24 [pid 12179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12178] <... prctl resumed>) = 0 [pid 12176] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12175] mkdir("./file0", 0777 [pid 12180] <... set_robust_list resumed>) = 0 [pid 12179] <... prctl resumed>) = 0 [pid 12178] setpgid(0, 0 [pid 12177] munmap(0x7f43cac00000, 138412032 [pid 12176] <... futex resumed>) = 0 [pid 12175] <... mkdir resumed>) = 0 [pid 12180] rt_sigprocmask(SIG_SETMASK, [], [pid 12179] setpgid(0, 0 [pid 12178] <... setpgid resumed>) = 0 [pid 12177] <... munmap resumed>) = 0 [pid 12176] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12179] <... setpgid resumed>) = 0 [pid 12178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12175] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12180] memfd_create("syzkaller", 0 [pid 12179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12178] <... openat resumed>) = 3 [ 359.781507][T12175] loop3: detected capacity change from 0 to 2048 [pid 12180] <... memfd_create resumed>) = 3 [pid 12179] <... openat resumed>) = 3 [pid 12178] write(3, "1000", 4 [pid 12177] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12179] write(3, "1000", 4) = 4 [pid 12179] close(3) = 0 [pid 12179] symlink("/dev/binderfs", "./binderfs" [pid 12180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12178] <... write resumed>) = 4 [pid 12177] <... openat resumed>) = 4 [pid 12179] <... symlink resumed>) = 0 [pid 12178] close(3 [pid 12180] <... mmap resumed>) = 0x7f43cac00000 [pid 12179] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12178] <... close resumed>) = 0 [pid 12177] ioctl(4, LOOP_SET_FD, 3 [pid 12179] <... futex resumed>) = 0 [pid 12179] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 12179] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 12179] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12179] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12180] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576./strace-static-x86_64: Process 12181 attached [pid 12178] symlink("/dev/binderfs", "./binderfs" [pid 12177] <... ioctl resumed>) = 0 [pid 12178] <... symlink resumed>) = 0 [pid 12177] close(3 [pid 12181] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12179] <... clone3 resumed> => {parent_tid=[12181]}, 88) = 12181 [pid 12178] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12177] <... close resumed>) = 0 [pid 12181] <... rseq resumed>) = 0 [pid 12179] rt_sigprocmask(SIG_SETMASK, [], [pid 12178] <... futex resumed>) = 0 [pid 12177] close(4 [pid 12181] set_robust_list(0x7f43d31679a0, 24 [pid 12179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12175] <... mount resumed>) = 0 [pid 12179] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12181] <... set_robust_list resumed>) = 0 [pid 12179] <... futex resumed>) = 0 [pid 12181] rt_sigprocmask(SIG_SETMASK, [], [pid 12179] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12175] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12175] <... openat resumed>) = 3 [pid 12181] memfd_create("syzkaller", 0 [pid 12175] chdir("./file0" [pid 12181] <... memfd_create resumed>) = 3 [pid 12175] <... chdir resumed>) = 0 [pid 12181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12178] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12177] <... close resumed>) = 0 [pid 12175] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12181] <... mmap resumed>) = 0x7f43cac00000 [pid 12175] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12180] <... write resumed>) = 1048576 [pid 12178] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12177] mkdir("./file0", 0777 [pid 12180] munmap(0x7f43cac00000, 138412032 [pid 12178] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12175] <... futex resumed>) = 1 [pid 12178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12177] <... mkdir resumed>) = 0 [ 359.827234][T12175] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 359.848469][T12177] loop4: detected capacity change from 0 to 2048 [ 359.865380][T12182] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12175] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12180] <... munmap resumed>) = 0 [pid 12178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12177] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12173] <... futex resumed>) = 0 [pid 12178] <... mmap resumed>) = 0x7f43d3147000 [pid 12178] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12173] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12178] <... mprotect resumed>) = 0 [pid 12173] <... futex resumed>) = 1 [pid 12175] <... futex resumed>) = 0 [pid 12175] truncate("./file2", 0 [pid 12181] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12180] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12178] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12173] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12180] <... openat resumed>) = 4 [pid 12178] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12180] ioctl(4, LOOP_SET_FD, 3 [pid 12178] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} => {parent_tid=[12183]}, 88) = 12183 ./strace-static-x86_64: Process 12183 attached [pid 12178] rt_sigprocmask(SIG_SETMASK, [], [pid 12183] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12183] <... rseq resumed>) = 0 [pid 12178] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12183] set_robust_list(0x7f43d31679a0, 24 [pid 12178] <... futex resumed>) = 0 [pid 12183] <... set_robust_list resumed>) = 0 [pid 12178] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12183] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12183] memfd_create("syzkaller", 0) = 3 [ 359.891575][T12177] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 359.897391][T12175] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 359.919029][T12180] loop2: detected capacity change from 0 to 2048 [pid 12183] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 12183] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12180] <... ioctl resumed>) = 0 [pid 12180] close(3) = 0 [pid 12180] close(4) = 0 [pid 12180] mkdir("./file0", 0777) = 0 [pid 12180] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12181] <... write resumed>) = 1048576 [pid 12181] munmap(0x7f43cac00000, 138412032) = 0 [ 359.934841][T12175] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 359.959014][T12180] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 359.970733][T12175] Remounting filesystem read-only [ 359.980723][T12184] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12181] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12173] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12173] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12173] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12173] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12181] ioctl(4, LOOP_SET_FD, 3 [pid 12173] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[12185]}, 88) = 12185 [pid 12173] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12173] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12173] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12185 attached [pid 12185] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12181] <... ioctl resumed>) = 0 [pid 12177] <... mount resumed>) = 0 [pid 12181] close(3 [pid 12185] <... rseq resumed>) = 0 [pid 12181] <... close resumed>) = 0 [pid 12177] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12185] set_robust_list(0x7f43d31469a0, 24 [pid 12181] close(4 [pid 12177] <... openat resumed>) = 3 [pid 12185] <... set_robust_list resumed>) = 0 [pid 12177] chdir("./file0" [pid 12185] rt_sigprocmask(SIG_SETMASK, [], [pid 12177] <... chdir resumed>) = 0 [pid 12185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12177] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12185] fspick(AT_FDCWD, ".", 0 [pid 12177] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12185] <... fspick resumed>) = 4 [pid 12177] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12177] <... futex resumed>) = 1 [pid 12185] <... futex resumed>) = 1 [pid 12177] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12173] <... futex resumed>) = 0 [pid 12185] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12173] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12183] <... write resumed>) = 1048576 [pid 12181] <... close resumed>) = 0 [pid 12174] <... futex resumed>) = 0 [pid 12173] <... futex resumed>) = 0 [pid 12185] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12181] mkdir("./file0", 0777 [pid 12174] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12173] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12181] <... mkdir resumed>) = 0 [pid 12177] <... futex resumed>) = 0 [pid 12174] <... futex resumed>) = 1 [pid 12174] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12181] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12177] truncate("./file2", 0 [pid 12183] munmap(0x7f43cac00000, 138412032) = 0 [pid 12183] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 359.989989][T12181] loop1: detected capacity change from 0 to 2048 [ 360.002680][T12175] NILFS (loop3): error -5 truncating bmap (ino=16) [ 360.015716][T12185] NILFS (loop3): mounting fs with errors [ 360.028335][T12181] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12183] ioctl(4, LOOP_SET_FD, 3 [pid 12175] <... truncate resumed>) = 0 [pid 12185] <... fsconfig resumed>) = 0 [pid 12185] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12181] <... mount resumed>) = 0 [pid 12175] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12174] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12185] <... futex resumed>) = 1 [pid 12181] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12175] <... futex resumed>) = 0 [pid 12174] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12175] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12181] <... openat resumed>) = 3 [pid 12174] <... futex resumed>) = 0 [pid 12181] chdir("./file0" [pid 12174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12181] <... chdir resumed>) = 0 [pid 12174] <... mmap resumed>) = 0x7f43d3126000 [pid 12173] <... futex resumed>) = 0 [pid 12174] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12181] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12174] <... mprotect resumed>) = 0 [pid 12173] exit_group(0 [pid 12181] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12174] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12179] <... futex resumed>) = 0 [pid 12181] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12179] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12174] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12179] <... futex resumed>) = 0 [pid 12174] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12181] truncate("./file2", 0 [ 360.034609][T12183] loop0: detected capacity change from 0 to 2048 [ 360.044614][T12177] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 360.060959][T12186] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 360.061705][T12187] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12179] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12188 attached [pid 12185] <... futex resumed>) = ? [pid 12175] <... futex resumed>) = ? [pid 12173] <... exit_group resumed>) = ? [pid 12183] <... ioctl resumed>) = 0 [pid 12183] close(3) = 0 [pid 12183] close(4) = 0 [pid 12183] mkdir("./file0", 0777) = 0 [pid 12183] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12180] <... mount resumed>) = 0 [pid 12185] +++ exited with 0 +++ [pid 12175] +++ exited with 0 +++ [pid 12173] +++ exited with 0 +++ [pid 12174] <... clone3 resumed> => {parent_tid=[12188]}, 88) = 12188 [pid 12188] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12174] rt_sigprocmask(SIG_SETMASK, [], [pid 12180] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12179] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12173, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 12188] <... rseq resumed>) = 0 [pid 12188] set_robust_list(0x7f43d31469a0, 24 [pid 12180] chdir("./file0" [pid 12179] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] umount2("./368", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12180] <... chdir resumed>) = 0 [pid 12180] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12180] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12188] <... set_robust_list resumed>) = 0 [pid 12180] <... futex resumed>) = 1 [pid 12179] <... futex resumed>) = 0 [pid 12176] <... futex resumed>) = 0 [pid 12174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12188] rt_sigprocmask(SIG_SETMASK, [], [pid 12179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12176] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12174] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [ 360.090115][T12177] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 360.099730][T12181] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 360.099828][T12181] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 360.100799][T12181] Remounting filesystem read-only [ 360.122175][T12183] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 5070] openat(AT_FDCWD, "./368", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12180] truncate("./file2", 0 [pid 12176] <... futex resumed>) = 0 [pid 12174] <... futex resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 12176] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12174] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] newfstatat(3, "", [pid 12179] <... mmap resumed>) = 0x7f43d3126000 [pid 12179] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12179] <... mprotect resumed>) = 0 [pid 5070] getdents64(3, [pid 12188] fspick(AT_FDCWD, ".", 0 [pid 12179] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12188] <... fspick resumed>) = 4 [pid 12181] <... truncate resumed>) = 0 [pid 12179] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12177] <... truncate resumed>) = 0 [pid 5070] umount2("./368/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12188] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12181] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12177] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12188] <... futex resumed>) = 1 [pid 12181] <... futex resumed>) = 0 [pid 12177] <... futex resumed>) = 0 [pid 12174] <... futex resumed>) = 0 [pid 5070] newfstatat(AT_FDCWD, "./368/binderfs", [pid 12188] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12181] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12179] <... clone3 resumed> => {parent_tid=[12189]}, 88) = 12189 [pid 12177] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12174] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12179] rt_sigprocmask(SIG_SETMASK, [], [pid 12177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12174] <... futex resumed>) = 0 [pid 5070] unlink("./368/binderfs" [pid 12179] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 360.148134][T12177] Remounting filesystem read-only [ 360.148152][T12181] NILFS (loop1): error -5 truncating bmap (ino=16) [ 360.158385][T12180] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 360.162706][T12177] NILFS (loop4): error -5 truncating bmap (ino=16) [ 360.179117][T12180] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 360.187946][T12177] NILFS (loop4): mounting fs with errors [pid 12177] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12174] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 12189 attached [pid 12179] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12176] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] umount2("./368/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12179] <... futex resumed>) = 0 [pid 12176] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12189] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12179] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12176] <... futex resumed>) = 0 [pid 12176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12176] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12176] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12189] <... rseq resumed>) = 0 [pid 12183] <... mount resumed>) = 0 [pid 12180] <... truncate resumed>) = 0 [pid 12177] <... fsconfig resumed>) = 0 [pid 12189] set_robust_list(0x7f43d31469a0, 24 [pid 12183] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12180] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12177] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12189] <... set_robust_list resumed>) = 0 [pid 12183] <... openat resumed>) = 3 [pid 12180] <... futex resumed>) = 0 [pid 12177] <... futex resumed>) = 1 [pid 12176] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12174] <... futex resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 12189] rt_sigprocmask(SIG_SETMASK, [], [pid 12183] chdir("./file0" [pid 12180] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12177] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12176] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12174] exit_group(0 [pid 5070] umount2("./368/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 12191 attached [pid 12189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12188] <... futex resumed>) = ? [pid 12183] <... chdir resumed>) = 0 [pid 12177] <... futex resumed>) = ? [pid 12174] <... exit_group resumed>) = ? [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12191] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12189] fspick(AT_FDCWD, ".", 0 [pid 12188] +++ exited with 0 +++ [pid 12183] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12177] +++ exited with 0 +++ [pid 12176] <... clone3 resumed> => {parent_tid=[12191]}, 88) = 12191 [pid 5070] newfstatat(AT_FDCWD, "./368/file0", [pid 12191] <... rseq resumed>) = 0 [pid 12189] <... fspick resumed>) = 4 [pid 12176] rt_sigprocmask(SIG_SETMASK, [], [pid 12191] set_robust_list(0x7f43d31469a0, 24 [pid 12189] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12183] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12174] +++ exited with 0 +++ [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12191] <... set_robust_list resumed>) = 0 [pid 12189] <... futex resumed>) = 1 [pid 12183] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12179] <... futex resumed>) = 0 [pid 12176] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12191] rt_sigprocmask(SIG_SETMASK, [], [pid 12189] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12179] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12176] <... futex resumed>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12174, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 12191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12181] <... futex resumed>) = 0 [pid 12179] <... futex resumed>) = 1 [pid 12176] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] umount2("./372", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12191] fspick(AT_FDCWD, ".", 0 [pid 12183] <... futex resumed>) = 1 [ 360.191299][T12180] Remounting filesystem read-only [ 360.203106][T12180] NILFS (loop2): error -5 truncating bmap (ino=16) [ 360.212268][T12190] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12181] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12179] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12178] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./368/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12191] <... fspick resumed>) = 4 [pid 12183] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12191] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12191] <... futex resumed>) = 1 [pid 12191] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] openat(AT_FDCWD, "./368/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 12183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12181] <... fsconfig resumed>) = 0 [pid 12178] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12176] <... futex resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./372", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12181] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12183] truncate("./file2", 0 [pid 12181] <... futex resumed>) = 1 [pid 12179] <... futex resumed>) = 0 [pid 12178] <... futex resumed>) = 0 [pid 12176] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] newfstatat(4, "", [pid 12181] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12180] <... futex resumed>) = 0 [pid 12179] exit_group(0 [pid 12178] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12176] <... futex resumed>) = 1 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12180] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12176] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... openat resumed>) = 3 [pid 5070] getdents64(4, [pid 12189] <... futex resumed>) = ? [pid 12181] <... futex resumed>) = ? [pid 12179] <... exit_group resumed>) = ? [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./368/file0") = 0 [pid 5071] newfstatat(3, "", [pid 5070] getdents64(3, [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] getdents64(3, [pid 5070] close(3 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] <... close resumed>) = 0 [pid 5071] umount2("./372/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] rmdir("./368" [pid 12189] +++ exited with 0 +++ [pid 12181] +++ exited with 0 +++ [pid 5070] <... rmdir resumed>) = 0 [pid 5070] mkdir("./369", 0777 [pid 12179] +++ exited with 0 +++ [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... mkdir resumed>) = 0 [pid 5071] newfstatat(AT_FDCWD, "./372/binderfs", [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12179, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 360.242406][T12181] NILFS (loop1): mounting fs with errors [ 360.260566][T12183] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 360.261849][T12180] NILFS (loop2): mounting fs with errors [ 360.271759][T12183] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 5070] <... openat resumed>) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 12183] <... truncate resumed>) = 0 [pid 12180] <... fsconfig resumed>) = 0 [pid 5071] unlink("./372/binderfs" [pid 12183] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12180] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12183] <... futex resumed>) = 1 [pid 12183] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] <... unlink resumed>) = 0 [pid 12180] <... futex resumed>) = 1 [pid 12178] <... futex resumed>) = 0 [pid 12176] <... futex resumed>) = 0 [pid 12178] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12180] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12176] exit_group(0 [pid 12183] <... futex resumed>) = 0 [pid 12178] <... futex resumed>) = 1 [pid 12191] <... futex resumed>) = ? [pid 12180] <... futex resumed>) = ? [pid 12178] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12176] <... exit_group resumed>) = ? [pid 12191] +++ exited with 0 +++ [pid 12183] fspick(AT_FDCWD, ".", 0) = 4 [pid 12183] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12183] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] umount2("./372/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12178] <... futex resumed>) = 0 [pid 12178] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./365", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12178] <... futex resumed>) = 1 [pid 12178] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12183] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12183] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5068] openat(AT_FDCWD, "./365", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12180] +++ exited with 0 +++ [pid 12176] +++ exited with 0 +++ [pid 5071] <... umount2 resumed>) = 0 [pid 5068] getdents64(3, [pid 5070] <... ioctl resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12176, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5070] close(3 [pid 12183] <... fsconfig resumed>) = 0 [pid 12183] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] umount2("./372/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12183] <... futex resumed>) = 1 [pid 12178] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] umount2("./368", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./365/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12183] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12178] exit_group(0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12183] <... futex resumed>) = ? [pid 12178] <... exit_group resumed>) = ? [pid 5071] newfstatat(AT_FDCWD, "./372/file0", [pid 5069] openat(AT_FDCWD, "./368", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] newfstatat(AT_FDCWD, "./365/binderfs", [pid 12183] +++ exited with 0 +++ [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] newfstatat(3, "", [pid 5068] unlink("./365/binderfs" [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5069] getdents64(3, [pid 5068] umount2("./365/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 12192 attached [pid 5071] umount2("./372/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./368/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12192] set_robust_list(0x555589d386a0, 24 [pid 12178] +++ exited with 0 +++ [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 12192 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./372/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] newfstatat(AT_FDCWD, "./368/binderfs", [pid 12192] <... set_robust_list resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12178, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 12192] chdir("./369" [pid 5071] newfstatat(4, "", [pid 5069] unlink("./368/binderfs" [pid 5067] umount2("./369", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12192] <... chdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./369", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] getdents64(4, [pid 5069] umount2("./368/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 3 [pid 5067] newfstatat(3, "", [pid 12192] <... prctl resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12192] setpgid(0, 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] getdents64(3, [pid 12192] <... setpgid resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 12192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] getdents64(4, [pid 5067] umount2("./369/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12192] <... openat resumed>) = 3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./369/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./369/binderfs" [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5071] close(4 [pid 5067] umount2("./369/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12192] write(3, "1000", 4) = 4 [pid 12192] close(3) = 0 [pid 12192] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./372/file0" [pid 12192] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./365/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12192] <... futex resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./365/file0", [pid 12192] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12192] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12192] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5068] umount2("./365/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12192] <... mmap resumed>) = 0x7f43d3147000 [pid 5068] openat(AT_FDCWD, "./365/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12192] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5071] getdents64(3, [pid 5068] <... openat resumed>) = 4 [pid 12192] <... mprotect resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 12192] rt_sigprocmask(SIG_BLOCK, ~[], [ 360.292384][T12183] Remounting filesystem read-only [ 360.297483][T12183] NILFS (loop0): error -5 truncating bmap (ino=16) [ 360.312280][T12183] NILFS (loop0): mounting fs with errors [pid 5068] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12192] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5069] umount2("./368/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(4, [pid 12192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5071] rmdir("./372") = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 12193 attached [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12193] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 5069] newfstatat(AT_FDCWD, "./368/file0", [pid 12193] <... rseq resumed>) = 0 [pid 12193] set_robust_list(0x7f43d31679a0, 24 [pid 12192] <... clone3 resumed> => {parent_tid=[12193]}, 88) = 12193 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] getdents64(4, [pid 12193] <... set_robust_list resumed>) = 0 [pid 12192] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] mkdir("./373", 0777 [pid 5069] umount2("./368/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] umount2("./369/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12193] rt_sigprocmask(SIG_SETMASK, [], [pid 12192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] close(4 [pid 12193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12192] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./368/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12192] <... futex resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5068] <... close resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./369/file0", [pid 12193] memfd_create("syzkaller", 0 [pid 12192] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5071] <... openat resumed>) = 3 [pid 5069] <... openat resumed>) = 4 [pid 5068] rmdir("./365/file0" [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12193] <... memfd_create resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] newfstatat(4, "", [pid 5068] <... rmdir resumed>) = 0 [pid 5068] getdents64(3, [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] umount2("./369/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] getdents64(4, [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] close(3 [pid 5067] openat(AT_FDCWD, "./369/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] getdents64(4, [pid 5068] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5068] rmdir("./365" [pid 12193] <... mmap resumed>) = 0x7f43cac00000 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12193] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5069] close(4 [pid 5068] mkdir("./366", 0777 [pid 5067] getdents64(4, [pid 5069] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] <... mkdir resumed>) = 0 [pid 5069] rmdir("./368/file0" [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] <... rmdir resumed>) = 0 [pid 5067] getdents64(4, [pid 5068] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] close(4) = 0 [pid 5067] rmdir("./369/file0" [pid 5069] getdents64(3, [pid 5067] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./368" [pid 5067] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] close(3) = 0 [pid 12193] <... write resumed>) = 1048576 [pid 5067] rmdir("./369" [pid 12193] munmap(0x7f43cac00000, 138412032 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 12193] <... munmap resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 5069] mkdir("./369", 0777 [pid 5067] mkdir("./370", 0777 [pid 12193] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 12193] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... mkdir resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12193] <... ioctl resumed>) = 0 [pid 5071] close(3 [pid 5069] <... openat resumed>) = 3 [pid 5068] <... ioctl resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 12193] close(3 [pid 5071] <... close resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] close(3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 12193] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... close resumed>) = 0 [pid 12193] close(4) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12193] mkdir("./file0", 0777) = 0 ./strace-static-x86_64: Process 12194 attached [pid 12194] set_robust_list(0x555589d386a0, 24) = 0 ./strace-static-x86_64: Process 12195 attached [pid 12195] set_robust_list(0x555589d386a0, 24 [pid 12194] chdir("./373" [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 12194 [pid 12195] <... set_robust_list resumed>) = 0 [pid 12194] <... chdir resumed>) = 0 [pid 12193] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12195] chdir("./366" [pid 12194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 12195 [ 360.448567][T12193] loop3: detected capacity change from 0 to 2048 [pid 12195] <... chdir resumed>) = 0 [pid 12194] <... prctl resumed>) = 0 [pid 12195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12194] setpgid(0, 0 [pid 12195] <... prctl resumed>) = 0 [pid 12194] <... setpgid resumed>) = 0 [pid 12193] <... mount resumed>) = 0 [pid 12193] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12193] <... openat resumed>) = 3 [pid 12195] setpgid(0, 0 [pid 5067] <... ioctl resumed>) = 0 [pid 12195] <... setpgid resumed>) = 0 [pid 12194] <... openat resumed>) = 3 [pid 12193] chdir("./file0" [pid 5069] <... ioctl resumed>) = 0 [pid 12195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12194] write(3, "1000", 4 [pid 12193] <... chdir resumed>) = 0 [pid 5069] close(3 [pid 5067] close(3 [pid 12194] <... write resumed>) = 4 [pid 12193] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... close resumed>) = 0 [pid 12195] <... openat resumed>) = 3 [pid 12194] close(3 [pid 12193] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 360.491451][T12193] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 360.519003][T12196] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... close resumed>) = 0 [pid 12195] write(3, "1000", 4 [pid 12194] <... close resumed>) = 0 [pid 12193] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12197 attached [pid 12195] <... write resumed>) = 4 [pid 12194] symlink("/dev/binderfs", "./binderfs" [pid 12193] <... futex resumed>) = 1 [pid 12192] <... futex resumed>) = 0 [pid 12194] <... symlink resumed>) = 0 [pid 12193] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12192] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12194] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12192] <... futex resumed>) = 0 [pid 12194] <... futex resumed>) = 0 [pid 12193] truncate("./file2", 0 [pid 12192] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 12197 [pid 12194] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 12194] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 12194] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12194] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12197] set_robust_list(0x555589d386a0, 24 [pid 12195] close(3) = 0 [pid 12197] <... set_robust_list resumed>) = 0 [pid 12195] symlink("/dev/binderfs", "./binderfs" [pid 12197] chdir("./369" [pid 12195] <... symlink resumed>) = 0 [pid 12197] <... chdir resumed>) = 0 [pid 12194] <... clone3 resumed> => {parent_tid=[12198]}, 88) = 12198 [pid 12197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12194] rt_sigprocmask(SIG_SETMASK, [], [pid 12197] <... prctl resumed>) = 0 [pid 12195] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 12199 [pid 12197] setpgid(0, 0 [pid 12194] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12197] <... setpgid resumed>) = 0 [pid 12195] <... futex resumed>) = 0 [pid 12194] <... futex resumed>) = 0 [pid 12197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12194] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12199 attached ./strace-static-x86_64: Process 12198 attached [pid 12197] <... openat resumed>) = 3 [pid 12195] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12199] set_robust_list(0x555589d386a0, 24 [pid 12198] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12195] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12199] <... set_robust_list resumed>) = 0 [pid 12198] <... rseq resumed>) = 0 [pid 12197] write(3, "1000", 4 [pid 12195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12199] chdir("./370" [pid 12198] set_robust_list(0x7f43d31679a0, 24 [pid 12197] <... write resumed>) = 4 [pid 12195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12199] <... chdir resumed>) = 0 [pid 12198] <... set_robust_list resumed>) = 0 [pid 12197] close(3 [pid 12199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12198] rt_sigprocmask(SIG_SETMASK, [], [pid 12197] <... close resumed>) = 0 [pid 12195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12199] <... prctl resumed>) = 0 [pid 12197] symlink("/dev/binderfs", "./binderfs" [pid 12195] <... mmap resumed>) = 0x7f43d3147000 [pid 12199] setpgid(0, 0 [pid 12198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12199] <... setpgid resumed>) = 0 [pid 12198] memfd_create("syzkaller", 0 [pid 12197] <... symlink resumed>) = 0 [pid 12195] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12198] <... memfd_create resumed>) = 3 [pid 12199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12195] <... mprotect resumed>) = 0 [pid 12197] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12198] <... mmap resumed>) = 0x7f43cac00000 [pid 12197] <... futex resumed>) = 0 [pid 12197] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 12195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12197] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12197] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 12200 attached [pid 12197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12195] <... clone3 resumed> => {parent_tid=[12200]}, 88) = 12200 [pid 12200] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12197] <... mmap resumed>) = 0x7f43d3147000 [pid 12195] rt_sigprocmask(SIG_SETMASK, [], [pid 12200] <... rseq resumed>) = 0 [pid 12197] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12200] set_robust_list(0x7f43d31679a0, 24 [pid 12197] <... mprotect resumed>) = 0 [pid 12195] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12200] <... set_robust_list resumed>) = 0 [pid 12200] rt_sigprocmask(SIG_SETMASK, [], [pid 12195] <... futex resumed>) = 0 [pid 12200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12199] <... openat resumed>) = 3 [pid 12197] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12195] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12200] memfd_create("syzkaller", 0 [pid 12199] write(3, "1000", 4 [pid 12197] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12200] <... memfd_create resumed>) = 3 [pid 12197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12199] <... write resumed>) = 4 [pid 12199] close(3 [pid 12200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12199] <... close resumed>) = 0 ./strace-static-x86_64: Process 12201 attached [pid 12200] <... mmap resumed>) = 0x7f43cac00000 [pid 12199] symlink("/dev/binderfs", "./binderfs" [pid 12198] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12201] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12199] <... symlink resumed>) = 0 [pid 12197] <... clone3 resumed> => {parent_tid=[12201]}, 88) = 12201 [ 360.563144][T12193] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 12197] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12197] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12197] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12201] <... rseq resumed>) = 0 [pid 12192] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12201] set_robust_list(0x7f43d31679a0, 24 [pid 12192] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12201] <... set_robust_list resumed>) = 0 [pid 12192] <... futex resumed>) = 0 [pid 12201] rt_sigprocmask(SIG_SETMASK, [], [pid 12192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12192] <... mmap resumed>) = 0x7f43d3126000 [pid 12201] memfd_create("syzkaller", 0 [pid 12192] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12192] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12201] <... memfd_create resumed>) = 3 [pid 12192] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12201] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 12202 attached [pid 12201] <... mmap resumed>) = 0x7f43cac00000 [pid 12199] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12199] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12192] <... clone3 resumed> => {parent_tid=[12202]}, 88) = 12202 [pid 12202] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12199] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12192] rt_sigprocmask(SIG_SETMASK, [], [pid 12202] <... rseq resumed>) = 0 [pid 12192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12202] set_robust_list(0x7f43d31469a0, 24 [pid 12199] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12192] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12202] <... set_robust_list resumed>) = 0 [pid 12192] <... futex resumed>) = 0 [pid 12202] rt_sigprocmask(SIG_SETMASK, [], [pid 12199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12192] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12200] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12202] fspick(AT_FDCWD, ".", 0) = 4 [pid 12199] <... mmap resumed>) = 0x7f43d3147000 [pid 12198] <... write resumed>) = 1048576 [pid 12202] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12199] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12202] <... futex resumed>) = 1 [pid 12199] <... mprotect resumed>) = 0 [pid 12192] <... futex resumed>) = 0 [pid 12192] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12202] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12201] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12199] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12198] munmap(0x7f43cac00000, 138412032 [pid 12192] <... futex resumed>) = 0 [pid 12199] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12198] <... munmap resumed>) = 0 [ 360.610193][T12193] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 12192] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12203 attached [pid 12201] <... write resumed>) = 1048576 [pid 12199] <... clone3 resumed> => {parent_tid=[12203]}, 88) = 12203 [pid 12198] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12200] <... write resumed>) = 1048576 [pid 12199] rt_sigprocmask(SIG_SETMASK, [], [pid 12203] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12200] munmap(0x7f43cac00000, 138412032 [pid 12199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12198] <... openat resumed>) = 4 [pid 12199] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12203] <... rseq resumed>) = 0 [pid 12198] ioctl(4, LOOP_SET_FD, 3 [pid 12203] set_robust_list(0x7f43d31679a0, 24 [pid 12199] <... futex resumed>) = 0 [pid 12203] <... set_robust_list resumed>) = 0 [pid 12199] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12203] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12200] <... munmap resumed>) = 0 [pid 12201] munmap(0x7f43cac00000, 138412032 [pid 12200] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12201] <... munmap resumed>) = 0 [pid 12200] <... openat resumed>) = 4 [pid 12201] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12200] ioctl(4, LOOP_SET_FD, 3 [pid 12203] memfd_create("syzkaller", 0 [pid 12201] <... openat resumed>) = 4 [pid 12192] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12203] <... memfd_create resumed>) = 3 [pid 12193] <... truncate resumed>) = 0 [pid 12203] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12198] <... ioctl resumed>) = 0 [pid 12193] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12198] close(3 [pid 12193] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12203] <... mmap resumed>) = 0x7f43cac00000 [pid 12198] <... close resumed>) = 0 [pid 12201] ioctl(4, LOOP_SET_FD, 3 [pid 12198] close(4 [pid 12203] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12202] <... fsconfig resumed>) = 0 [pid 12201] <... ioctl resumed>) = 0 [pid 12200] <... ioctl resumed>) = 0 [pid 12198] <... close resumed>) = 0 [pid 12202] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12192] exit_group(0) = ? [pid 12202] +++ exited with 0 +++ [pid 12200] close(3) = 0 [pid 12201] close(3 [pid 12193] <... futex resumed>) = ? [pid 12200] close(4 [pid 12201] <... close resumed>) = 0 [pid 12201] close(4 [pid 12200] <... close resumed>) = 0 [pid 12198] mkdir("./file0", 0777 [pid 12193] +++ exited with 0 +++ [pid 12192] +++ exited with 0 +++ [pid 12201] <... close resumed>) = 0 [pid 12200] mkdir("./file0", 0777 [pid 12201] mkdir("./file0", 0777 [pid 12200] <... mkdir resumed>) = 0 [pid 12198] <... mkdir resumed>) = 0 [pid 12198] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12201] <... mkdir resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12192, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 12200] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [ 360.670103][T12193] Remounting filesystem read-only [ 360.676575][T12193] NILFS (loop3): error -5 truncating bmap (ino=16) [ 360.687926][T12198] loop4: detected capacity change from 0 to 2048 [ 360.693744][T12200] loop1: detected capacity change from 0 to 2048 [ 360.703739][T12202] NILFS (loop3): mounting fs with errors [ 360.711047][T12201] loop2: detected capacity change from 0 to 2048 [pid 12201] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12203] <... write resumed>) = 1048576 [pid 5070] umount2("./369", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12203] munmap(0x7f43cac00000, 138412032) = 0 [pid 12203] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 12203] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./369", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 360.747858][T12198] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 360.770633][T12200] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 360.775044][T12203] loop0: detected capacity change from 0 to 2048 [pid 12203] <... ioctl resumed>) = 0 [pid 5070] newfstatat(3, "", [pid 12203] close(3) = 0 [pid 12203] close(4 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12203] <... close resumed>) = 0 [pid 12203] mkdir("./file0", 0777) = 0 [pid 12203] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5070] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./369/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 360.790751][T12201] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 5070] newfstatat(AT_FDCWD, "./369/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] unlink("./369/binderfs" [pid 12198] <... mount resumed>) = 0 [pid 12198] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12198] chdir("./file0") = 0 [pid 12198] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12198] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12198] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12194] <... futex resumed>) = 0 [pid 12194] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... unlink resumed>) = 0 [ 360.820059][T12203] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 360.833228][T12204] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 360.855938][T12205] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5070] umount2("./369/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12198] <... futex resumed>) = 0 [pid 12194] <... futex resumed>) = 1 [pid 12194] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12198] truncate("./file2", 0 [pid 12201] <... mount resumed>) = 0 [pid 12201] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12201] chdir("./file0") = 0 [pid 12201] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12201] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12197] <... futex resumed>) = 0 [pid 12201] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12197] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12197] <... futex resumed>) = 0 [pid 12201] truncate("./file2", 0 [ 360.868290][T12206] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 360.880839][T12198] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 360.907256][T12207] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12197] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12203] <... mount resumed>) = 0 [pid 12203] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12194] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12194] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12194] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12194] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12203] chdir("./file0") = 0 [pid 12203] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12203] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12200] <... mount resumed>) = 0 [pid 12203] <... futex resumed>) = 1 [pid 12203] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12200] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12199] <... futex resumed>) = 0 ./strace-static-x86_64: Process 12208 attached [pid 12203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12200] <... openat resumed>) = 3 [pid 12199] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12208] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12203] truncate("./file2", 0 [pid 12200] chdir("./file0" [pid 12199] <... futex resumed>) = 0 [ 360.925085][T12201] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 360.937157][T12198] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 360.953290][T12198] Remounting filesystem read-only [ 360.959891][T12198] NILFS (loop4): error -5 truncating bmap (ino=16) [pid 12194] <... clone3 resumed> => {parent_tid=[12208]}, 88) = 12208 [pid 12208] <... rseq resumed>) = 0 [pid 12200] <... chdir resumed>) = 0 [pid 12199] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12198] <... truncate resumed>) = 0 [pid 12194] rt_sigprocmask(SIG_SETMASK, [], [pid 12208] set_robust_list(0x7f43d31469a0, 24 [pid 12200] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12198] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12197] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12200] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12197] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12200] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12197] <... futex resumed>) = 0 [pid 12200] <... futex resumed>) = 1 [pid 12197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12200] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12197] <... mmap resumed>) = 0x7f43d3126000 [pid 12197] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5070] <... umount2 resumed>) = 0 [pid 12197] <... mprotect resumed>) = 0 [pid 12197] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12195] <... futex resumed>) = 0 [pid 5070] umount2("./369/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12197] <... clone3 resumed> => {parent_tid=[12209]}, 88) = 12209 [pid 12195] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12200] <... futex resumed>) = 0 [pid 12197] rt_sigprocmask(SIG_SETMASK, [], [pid 12195] <... futex resumed>) = 1 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12200] truncate("./file2", 0 [pid 12197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12195] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] newfstatat(AT_FDCWD, "./369/file0", [pid 12208] <... set_robust_list resumed>) = 0 [pid 12198] <... futex resumed>) = 0 [pid 12197] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12194] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 12209 attached [pid 5070] umount2("./369/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./369/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12209] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 5070] <... openat resumed>) = 4 [pid 12209] <... rseq resumed>) = 0 [pid 5070] newfstatat(4, "", [pid 12209] set_robust_list(0x7f43d31469a0, 24 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12209] <... set_robust_list resumed>) = 0 [pid 5070] getdents64(4, [pid 12209] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 12209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] getdents64(4, [pid 12209] fspick(AT_FDCWD, ".", 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 12209] <... fspick resumed>) = 4 [pid 12194] <... futex resumed>) = 0 [pid 5070] close(4 [pid 12198] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12209] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... close resumed>) = 0 [pid 12209] <... futex resumed>) = 0 [ 360.961466][T12203] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 360.979143][T12201] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 360.990283][T12203] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 360.991133][T12200] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 361.000922][T12203] Remounting filesystem read-only [ 361.017117][T12203] NILFS (loop0): error -5 truncating bmap (ino=16) [pid 5070] rmdir("./369/file0" [pid 12209] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12208] rt_sigprocmask(SIG_SETMASK, [], [pid 12203] <... truncate resumed>) = 0 [pid 12199] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12197] <... futex resumed>) = 0 [pid 12194] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... rmdir resumed>) = 0 [pid 12199] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] getdents64(3, [pid 12199] <... futex resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] close(3 [pid 12199] <... mmap resumed>) = 0x7f43d3126000 [pid 5070] <... close resumed>) = 0 [pid 12199] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5070] rmdir("./369" [pid 12199] <... mprotect resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 12199] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[12210]}, 88) = 12210 [pid 12199] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12199] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12199] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12210 attached [pid 5070] mkdir("./370", 0777 [pid 12210] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12203] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12197] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... mkdir resumed>) = 0 [pid 12210] <... rseq resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12210] set_robust_list(0x7f43d31469a0, 24 [pid 5070] <... openat resumed>) = 3 [pid 12210] <... set_robust_list resumed>) = 0 [pid 12210] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] ioctl(3, LOOP_CLR_FD [pid 12210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12210] fspick(AT_FDCWD, ".", 0) = 4 [pid 12210] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12208] fspick(AT_FDCWD, ".", 0 [pid 12203] <... futex resumed>) = 0 [pid 12201] <... truncate resumed>) = 0 [pid 12197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12195] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12210] <... futex resumed>) = 1 [pid 12208] <... fspick resumed>) = 4 [pid 12203] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12201] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12200] <... truncate resumed>) = 0 [pid 12199] <... futex resumed>) = 0 [pid 12197] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12195] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12210] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12209] <... futex resumed>) = 0 [pid 12208] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12201] <... futex resumed>) = 0 [pid 12200] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12199] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12197] <... futex resumed>) = 1 [pid 12195] <... futex resumed>) = 0 [pid 12209] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12208] <... futex resumed>) = 1 [pid 12203] <... futex resumed>) = 0 [pid 12201] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12200] <... futex resumed>) = 0 [pid 12199] <... futex resumed>) = 1 [pid 12197] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12194] <... futex resumed>) = 0 [pid 12208] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12203] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12195] <... mmap resumed>) = 0x7f43d3126000 [pid 12194] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12209] <... fsconfig resumed>) = 0 [pid 12200] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12199] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12209] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12209] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12203] <... fsconfig resumed>) = 0 [pid 12198] <... futex resumed>) = 0 [pid 12197] <... futex resumed>) = 0 [pid 12195] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12194] <... futex resumed>) = 1 [ 361.017585][T12201] Remounting filesystem read-only [ 361.024742][T12200] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 361.040178][T12201] NILFS (loop2): error -5 truncating bmap (ino=16) [ 361.043682][T12200] Remounting filesystem read-only [ 361.052133][T12200] NILFS (loop1): error -5 truncating bmap (ino=16) [ 361.063861][T12209] NILFS (loop2): mounting fs with errors [ 361.066087][T12203] NILFS (loop0): mounting fs with errors [pid 12203] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12198] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12197] exit_group(0 [pid 12194] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12195] <... mprotect resumed>) = 0 [pid 12203] <... futex resumed>) = 1 [pid 12203] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12201] <... futex resumed>) = ? [pid 12201] +++ exited with 0 +++ [pid 12197] <... exit_group resumed>) = ? [pid 12209] <... futex resumed>) = ? [pid 12199] <... futex resumed>) = 0 [pid 12198] <... fsconfig resumed>) = 0 [pid 12195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12209] +++ exited with 0 +++ [pid 12199] exit_group(0 [pid 12197] +++ exited with 0 +++ [pid 12195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12199] <... exit_group resumed>) = ? [pid 12198] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 12211 attached [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12197, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 12211] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12203] <... futex resumed>) = ? [pid 12195] <... clone3 resumed> => {parent_tid=[12211]}, 88) = 12211 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 12211] <... rseq resumed>) = 0 [pid 12210] <... futex resumed>) = ? [pid 12203] +++ exited with 0 +++ [pid 12198] <... futex resumed>) = 1 [pid 12195] rt_sigprocmask(SIG_SETMASK, [], [pid 12194] <... futex resumed>) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 12211] set_robust_list(0x7f43d31469a0, 24 [pid 12195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12211] <... set_robust_list resumed>) = 0 [pid 12195] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12211] rt_sigprocmask(SIG_SETMASK, [], [pid 12210] +++ exited with 0 +++ [pid 12199] +++ exited with 0 +++ [pid 12195] <... futex resumed>) = 0 [pid 5069] umount2("./369", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12198] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12195] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12194] exit_group(0 [pid 5070] close(3 [pid 12211] fspick(AT_FDCWD, ".", 0 [pid 12208] <... futex resumed>) = ? [pid 12198] <... futex resumed>) = ? [pid 12194] <... exit_group resumed>) = ? [pid 5070] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12199, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 12211] <... fspick resumed>) = 4 [pid 12208] +++ exited with 0 +++ [pid 12198] +++ exited with 0 +++ [pid 5069] openat(AT_FDCWD, "./369", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./370", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12211] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12211] <... futex resumed>) = 1 [pid 12195] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... openat resumed>) = 3 [pid 12211] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12195] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] openat(AT_FDCWD, "./370", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12195] <... futex resumed>) = 1 [pid 5069] newfstatat(3, "", ./strace-static-x86_64: Process 12212 attached [pid 12200] <... futex resumed>) = 0 [pid 12195] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... openat resumed>) = 3 [pid 12212] set_robust_list(0x555589d386a0, 24 [pid 12200] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12194] +++ exited with 0 +++ [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 12212 [pid 12212] <... set_robust_list resumed>) = 0 [pid 5069] getdents64(3, [pid 5067] newfstatat(3, "", [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12194, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5069] umount2("./369/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] newfstatat(AT_FDCWD, "./369/binderfs", [pid 5067] umount2("./370/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./373", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./373", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12212] chdir("./370" [pid 5071] <... openat resumed>) = 3 [pid 5069] unlink("./369/binderfs" [pid 5067] newfstatat(AT_FDCWD, "./370/binderfs", [pid 12212] <... chdir resumed>) = 0 [pid 5071] newfstatat(3, "", [pid 5069] <... unlink resumed>) = 0 [pid 12212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12212] setpgid(0, 0 [pid 5071] getdents64(3, [pid 5069] umount2("./369/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] unlink("./370/binderfs" [pid 12212] <... setpgid resumed>) = 0 [pid 12212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12200] <... fsconfig resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] <... unlink resumed>) = 0 [pid 5071] umount2("./373/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./370/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12212] <... openat resumed>) = 3 [pid 12200] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12212] write(3, "1000", 4) = 4 [pid 12200] <... futex resumed>) = 1 [pid 12195] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12212] close(3 [pid 12200] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12195] exit_group(0 [pid 12212] <... close resumed>) = 0 [pid 12212] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5071] newfstatat(AT_FDCWD, "./373/binderfs", [pid 5069] <... umount2 resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12212] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12195] <... exit_group resumed>) = ? [pid 5071] unlink("./373/binderfs" [pid 12212] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12211] <... futex resumed>) = ? [pid 12200] <... futex resumed>) = ? [pid 5071] <... unlink resumed>) = 0 [pid 5069] umount2("./369/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12212] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12200] +++ exited with 0 +++ [pid 12212] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] newfstatat(AT_FDCWD, "./369/file0", [pid 12212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12212] <... mmap resumed>) = 0x7f43d3147000 [ 361.086341][T12198] NILFS (loop4): mounting fs with errors [ 361.123884][T12200] NILFS (loop1): mounting fs with errors [pid 5069] umount2("./369/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12212] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12211] +++ exited with 0 +++ [pid 12195] +++ exited with 0 +++ [pid 5071] umount2("./373/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = 0 [pid 12212] <... mprotect resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12195, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5067] umount2("./370/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "./369/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./366", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./370/file0", [pid 12212] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] openat(AT_FDCWD, "./366", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12212] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] newfstatat(4, "", [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12212] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5068] <... openat resumed>) = 3 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 12213 attached [pid 12212] <... clone3 resumed> => {parent_tid=[12213]}, 88) = 12213 [pid 5069] getdents64(4, [pid 5068] newfstatat(3, "", [pid 5067] umount2("./370/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12213] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12212] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12213] <... rseq resumed>) = 0 [pid 12212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12213] set_robust_list(0x7f43d31679a0, 24 [pid 12212] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(3, [pid 5067] openat(AT_FDCWD, "./370/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12213] <... set_robust_list resumed>) = 0 [pid 12212] <... futex resumed>) = 0 [pid 5069] getdents64(4, [pid 12213] rt_sigprocmask(SIG_SETMASK, [], [pid 12212] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5071] <... umount2 resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] <... openat resumed>) = 4 [pid 12213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./369/file0" [pid 5068] umount2("./366/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12213] memfd_create("syzkaller", 0 [pid 5067] newfstatat(4, "", [pid 5071] umount2("./373/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12213] <... memfd_create resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] newfstatat(AT_FDCWD, "./373/file0", [pid 5069] getdents64(3, [pid 12213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5068] newfstatat(AT_FDCWD, "./366/binderfs", [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] getdents64(4, [pid 12213] <... mmap resumed>) = 0x7f43cac00000 [pid 5071] umount2("./373/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] close(3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] <... close resumed>) = 0 [pid 5067] getdents64(4, [pid 5071] openat(AT_FDCWD, "./373/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] rmdir("./369" [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] unlink("./366/binderfs" [pid 5069] mkdir("./370", 0777 [pid 12213] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5071] newfstatat(4, "", [pid 5068] <... unlink resumed>) = 0 [pid 5067] close(4 [pid 5068] umount2("./366/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... mkdir resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... close resumed>) = 0 [pid 5071] getdents64(4, [pid 5067] rmdir("./370/file0") = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5071] close(4 [pid 5067] getdents64(3, [pid 5071] <... close resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] rmdir("./373/file0" [pid 5067] close(3 [pid 5071] <... rmdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5067] rmdir("./370") = 0 [pid 5067] mkdir("./371", 0777 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5068] umount2("./366/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 12213] <... write resumed>) = 1048576 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12213] munmap(0x7f43cac00000, 138412032 [pid 5071] rmdir("./373" [pid 5068] newfstatat(AT_FDCWD, "./366/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5068] umount2("./366/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12213] <... munmap resumed>) = 0 [pid 5071] mkdir("./374", 0777 [pid 12213] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] <... mkdir resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12213] <... openat resumed>) = 4 [pid 5069] close(3 [pid 12213] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./366/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5068] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5068] close(4 [pid 5071] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5068] rmdir("./366/file0") = 0 [pid 5068] getdents64(3, [pid 12213] <... ioctl resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12213] close(3 [pid 5067] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 12214 attached [pid 12213] <... close resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] close(3 [pid 12214] set_robust_list(0x555589d386a0, 24 [pid 12213] close(4 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 12214 [pid 5068] close(3 [pid 5067] <... close resumed>) = 0 [pid 12214] <... set_robust_list resumed>) = 0 [pid 12213] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12214] chdir("./370" [pid 12213] mkdir("./file0", 0777 [pid 5068] rmdir("./366"./strace-static-x86_64: Process 12215 attached ) = 0 [pid 12215] set_robust_list(0x555589d386a0, 24 [pid 12214] <... chdir resumed>) = 0 [pid 12213] <... mkdir resumed>) = 0 [pid 5068] mkdir("./367", 0777 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 12215 [pid 12215] <... set_robust_list resumed>) = 0 [pid 12214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12213] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 5068] <... mkdir resumed>) = 0 [pid 12215] chdir("./371" [pid 12214] <... prctl resumed>) = 0 [pid 12215] <... chdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12214] setpgid(0, 0 [pid 12215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12214] <... setpgid resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 12215] <... prctl resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 12215] setpgid(0, 0) = 0 [pid 12214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12214] <... openat resumed>) = 3 [pid 12215] <... openat resumed>) = 3 [pid 12215] write(3, "1000", 4 [pid 12214] write(3, "1000", 4 [pid 12215] <... write resumed>) = 4 [pid 12214] <... write resumed>) = 4 [pid 12215] close(3 [pid 12214] close(3) = 0 [pid 12215] <... close resumed>) = 0 [pid 12214] symlink("/dev/binderfs", "./binderfs" [pid 12215] symlink("/dev/binderfs", "./binderfs") = 0 [pid 12214] <... symlink resumed>) = 0 [pid 12215] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12214] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12214] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12215] <... futex resumed>) = 0 [pid 5071] close(3 [pid 12214] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12215] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [ 361.270487][T12213] loop3: detected capacity change from 0 to 2048 [ 361.310203][T12213] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12215] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... close resumed>) = 0 [pid 12215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12213] <... mount resumed>) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 12215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12213] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12217 attached [pid 12215] <... mmap resumed>) = 0x7f43d3147000 [pid 12213] <... openat resumed>) = 3 [pid 12214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12217] set_robust_list(0x555589d386a0, 24 [pid 12215] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12213] chdir("./file0" [pid 12217] <... set_robust_list resumed>) = 0 [pid 12215] <... mprotect resumed>) = 0 [pid 12214] <... mmap resumed>) = 0x7f43d3147000 [pid 12217] chdir("./374" [pid 12215] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12213] <... chdir resumed>) = 0 [pid 12215] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} => {parent_tid=[12218]}, 88) = 12218 [pid 12215] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12215] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12217] <... chdir resumed>) = 0 [pid 12215] <... futex resumed>) = 0 [pid 12217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12215] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12217] <... prctl resumed>) = 0 [pid 12217] setpgid(0, 0 [pid 12214] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12213] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12217] <... setpgid resumed>) = 0 [pid 12214] <... mprotect resumed>) = 0 [pid 12217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12214] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12213] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 12217 [pid 5068] close(3 [pid 12217] <... openat resumed>) = 3 [pid 12214] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12213] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12213] <... futex resumed>) = 1 [pid 12212] <... futex resumed>) = 0 [pid 5068] <... close resumed>) = 0 ./strace-static-x86_64: Process 12218 attached [pid 12213] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12212] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12219 attached [pid 12218] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12217] write(3, "1000", 4 [pid 12213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12212] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12219] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12214] <... clone3 resumed> => {parent_tid=[12219]}, 88) = 12219 [pid 12213] truncate("./file2", 0 [pid 12219] <... rseq resumed>) = 0 [pid 12218] <... rseq resumed>) = 0 [pid 12217] <... write resumed>) = 4 [pid 12214] rt_sigprocmask(SIG_SETMASK, [], [pid 12219] set_robust_list(0x7f43d31679a0, 24 [pid 12218] set_robust_list(0x7f43d31679a0, 24 [pid 12217] close(3 [pid 12219] <... set_robust_list resumed>) = 0 [pid 12218] <... set_robust_list resumed>) = 0 [pid 12217] <... close resumed>) = 0 [ 361.348932][T12216] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12214] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 12220 attached [pid 12219] rt_sigprocmask(SIG_SETMASK, [], [pid 12218] rt_sigprocmask(SIG_SETMASK, [], [pid 12217] symlink("/dev/binderfs", "./binderfs" [pid 12214] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12212] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12220] set_robust_list(0x555589d386a0, 24 [pid 12219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12217] <... symlink resumed>) = 0 [pid 12217] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12217] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 12217] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 12217] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12218] memfd_create("syzkaller", 0 [pid 12217] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12218] <... memfd_create resumed>) = 3 [pid 12217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12217] <... clone3 resumed> => {parent_tid=[12221]}, 88) = 12221 [pid 12217] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12217] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12218] <... mmap resumed>) = 0x7f43cac00000 [pid 12217] <... futex resumed>) = 0 [pid 12220] <... set_robust_list resumed>) = 0 [pid 12219] memfd_create("syzkaller", 0 [pid 12217] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12214] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 12220 [pid 12220] chdir("./367" [pid 12219] <... memfd_create resumed>) = 3 [pid 12214] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12220] <... chdir resumed>) = 0 [pid 12219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 361.398014][T12213] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 361.428782][T12213] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 361.440157][T12213] Remounting filesystem read-only [pid 12220] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 12221 attached ) = 0 [pid 12219] <... mmap resumed>) = 0x7f43cac00000 [pid 12218] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12221] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12220] setpgid(0, 0 [pid 12219] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12220] <... setpgid resumed>) = 0 [pid 12220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12220] write(3, "1000", 4) = 4 [pid 12220] close(3) = 0 [pid 12220] symlink("/dev/binderfs", "./binderfs" [pid 12221] <... rseq resumed>) = 0 [pid 12221] set_robust_list(0x7f43d31679a0, 24 [pid 12220] <... symlink resumed>) = 0 [pid 12220] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12220] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 12220] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12221] <... set_robust_list resumed>) = 0 [pid 12220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12218] <... write resumed>) = 1048576 [pid 12213] <... truncate resumed>) = 0 [pid 12221] rt_sigprocmask(SIG_SETMASK, [], [pid 12220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12221] memfd_create("syzkaller", 0 [pid 12220] <... mmap resumed>) = 0x7f43d3147000 [pid 12221] <... memfd_create resumed>) = 3 [pid 12220] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12220] <... mprotect resumed>) = 0 [pid 12221] <... mmap resumed>) = 0x7f43cac00000 [pid 12219] <... write resumed>) = 1048576 [pid 12218] munmap(0x7f43cac00000, 138412032 [pid 12213] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12212] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12220] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12219] munmap(0x7f43cac00000, 138412032 [pid 12218] <... munmap resumed>) = 0 [pid 12213] <... futex resumed>) = 0 [pid 12212] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12220] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12219] <... munmap resumed>) = 0 [pid 12212] <... futex resumed>) = 0 [pid 12212] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12213] fspick(AT_FDCWD, ".", 0) = 4 [pid 12218] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12213] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12222 attached [pid 12220] <... clone3 resumed> => {parent_tid=[12222]}, 88) = 12222 [pid 12219] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12218] <... openat resumed>) = 4 [pid 12213] <... futex resumed>) = 1 [pid 12212] <... futex resumed>) = 0 [pid 12222] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12221] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12220] rt_sigprocmask(SIG_SETMASK, [], [pid 12219] <... openat resumed>) = 4 [pid 12218] ioctl(4, LOOP_SET_FD, 3 [pid 12213] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 361.445272][T12213] NILFS (loop3): error -5 truncating bmap (ino=16) [pid 12212] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12222] <... rseq resumed>) = 0 [pid 12220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12219] ioctl(4, LOOP_SET_FD, 3 [pid 12213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12212] <... futex resumed>) = 0 [pid 12222] set_robust_list(0x7f43d31679a0, 24 [pid 12220] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12218] <... ioctl resumed>) = 0 [pid 12222] <... set_robust_list resumed>) = 0 [pid 12222] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12222] memfd_create("syzkaller", 0 [pid 12220] <... futex resumed>) = 0 [pid 12219] <... ioctl resumed>) = 0 [pid 12218] close(3 [pid 12213] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12212] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12222] <... memfd_create resumed>) = 3 [pid 12220] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12219] close(3 [pid 12218] <... close resumed>) = 0 [pid 12222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12218] close(4 [pid 12222] <... mmap resumed>) = 0x7f43cac00000 [pid 12221] <... write resumed>) = 1048576 [pid 12218] <... close resumed>) = 0 [pid 12218] mkdir("./file0", 0777 [pid 12221] munmap(0x7f43cac00000, 138412032 [pid 12218] <... mkdir resumed>) = 0 [pid 12219] <... close resumed>) = 0 [pid 12219] close(4) = 0 [pid 12218] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12221] <... munmap resumed>) = 0 [pid 12219] mkdir("./file0", 0777 [pid 12222] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12221] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12219] <... mkdir resumed>) = 0 [pid 12213] <... fsconfig resumed>) = 0 [ 361.481211][T12218] loop0: detected capacity change from 0 to 2048 [ 361.488257][T12219] loop2: detected capacity change from 0 to 2048 [ 361.496335][T12213] NILFS (loop3): mounting fs with errors [ 361.518492][T12218] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12219] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12221] <... openat resumed>) = 4 [pid 12213] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12221] ioctl(4, LOOP_SET_FD, 3 [pid 12213] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12212] <... futex resumed>) = 0 [pid 12212] exit_group(0) = ? [pid 12213] <... futex resumed>) = ? [pid 12222] <... write resumed>) = 1048576 [pid 12221] <... ioctl resumed>) = 0 [pid 12213] +++ exited with 0 +++ [pid 12212] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12212, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 12222] munmap(0x7f43cac00000, 138412032 [pid 12221] close(3 [pid 5070] umount2("./370", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12222] <... munmap resumed>) = 0 [pid 12221] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./370", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 12221] close(4 [pid 5070] newfstatat(3, "", [pid 12222] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12221] <... close resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12222] <... openat resumed>) = 4 [pid 12221] mkdir("./file0", 0777 [pid 5070] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./370/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./370/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] unlink("./370/binderfs") = 0 [pid 12218] <... mount resumed>) = 0 [ 361.524447][T12219] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 361.539640][T12221] loop4: detected capacity change from 0 to 2048 [ 361.567327][T12223] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5070] umount2("./370/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12218] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12221] <... mkdir resumed>) = 0 [pid 12218] <... openat resumed>) = 3 [pid 12218] chdir("./file0" [pid 12222] ioctl(4, LOOP_SET_FD, 3 [pid 12218] <... chdir resumed>) = 0 [pid 12219] <... mount resumed>) = 0 [pid 12218] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12219] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12221] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12219] <... openat resumed>) = 3 [pid 12218] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12219] chdir("./file0" [pid 12218] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12219] <... chdir resumed>) = 0 [pid 12222] <... ioctl resumed>) = 0 [pid 12218] <... futex resumed>) = 1 [pid 12215] <... futex resumed>) = 0 [ 361.589168][T12224] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 361.593031][T12222] loop1: detected capacity change from 0 to 2048 [ 361.619520][T12221] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12219] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12218] truncate("./file2", 0 [pid 12215] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12219] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12214] <... futex resumed>) = 0 [pid 12219] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12214] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12215] <... futex resumed>) = 0 [pid 12214] <... futex resumed>) = 0 [pid 12219] truncate("./file2", 0 [pid 12215] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12214] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12222] close(3) = 0 [pid 12222] close(4) = 0 [pid 12222] mkdir("./file0", 0777) = 0 [ 361.634597][T12218] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 361.648819][T12225] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 361.664716][T12218] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 361.665209][T12219] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 12222] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12214] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12214] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12221] <... mount resumed>) = 0 [pid 12221] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12214] <... mmap resumed>) = 0x7f43d3126000 [pid 12215] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12214] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12215] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12215] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12221] <... openat resumed>) = 3 [pid 12214] <... mprotect resumed>) = 0 [pid 12221] chdir("./file0" [pid 12215] <... mprotect resumed>) = 0 [pid 12214] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12221] <... chdir resumed>) = 0 [pid 12215] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12214] <... clone3 resumed> => {parent_tid=[12226]}, 88) = 12226 [pid 12214] rt_sigprocmask(SIG_SETMASK, [], [pid 12221] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12215] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12214] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 361.685216][T12219] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 361.685470][T12222] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 361.716680][T12218] Remounting filesystem read-only [ 361.718856][T12219] Remounting filesystem read-only [ 361.727886][T12219] NILFS (loop2): error -5 truncating bmap (ino=16) [pid 12221] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12214] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... umount2 resumed>) = 0 [pid 12221] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12217] <... futex resumed>) = 0 [pid 12215] <... clone3 resumed> => {parent_tid=[12227]}, 88) = 12227 ./strace-static-x86_64: Process 12227 attached ./strace-static-x86_64: Process 12226 attached [pid 12221] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12219] <... truncate resumed>) = 0 [pid 12218] <... truncate resumed>) = 0 [pid 12217] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12215] rt_sigprocmask(SIG_SETMASK, [], [pid 12214] <... futex resumed>) = 0 [pid 5070] umount2("./370/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12227] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12226] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12219] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12218] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12217] <... futex resumed>) = 0 [pid 12215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12214] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12227] <... rseq resumed>) = 0 [pid 12226] <... rseq resumed>) = 0 [pid 12219] <... futex resumed>) = 0 [pid 12218] <... futex resumed>) = 0 [pid 5070] newfstatat(AT_FDCWD, "./370/file0", [pid 12219] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12218] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] umount2("./370/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12215] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12227] set_robust_list(0x7f43d31469a0, 24 [pid 12226] set_robust_list(0x7f43d31469a0, 24 [pid 12221] truncate("./file2", 0 [pid 12217] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12215] <... futex resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./370/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12227] <... set_robust_list resumed>) = 0 [pid 12226] <... set_robust_list resumed>) = 0 [pid 12215] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... openat resumed>) = 4 [pid 12226] rt_sigprocmask(SIG_SETMASK, [], [pid 12227] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] newfstatat(4, "", [pid 12222] <... mount resumed>) = 0 [pid 12227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12222] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12227] fspick(AT_FDCWD, ".", 0 [pid 12226] fspick(AT_FDCWD, ".", 0 [pid 12222] <... openat resumed>) = 3 [pid 5070] getdents64(4, [pid 12227] <... fspick resumed>) = 4 [pid 12226] <... fspick resumed>) = 4 [pid 12222] chdir("./file0" [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 12227] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12226] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12222] <... chdir resumed>) = 0 [pid 5070] getdents64(4, [pid 12227] <... futex resumed>) = 1 [pid 12226] <... futex resumed>) = 1 [pid 12222] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12214] <... futex resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 12227] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12226] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12222] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12215] <... futex resumed>) = 0 [pid 12214] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12222] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12219] <... futex resumed>) = 0 [pid 12214] <... futex resumed>) = 1 [pid 5070] close(4 [pid 12222] <... futex resumed>) = 1 [pid 12220] <... futex resumed>) = 0 [ 361.735797][T12218] NILFS (loop0): error -5 truncating bmap (ino=16) [ 361.745462][T12228] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 361.759705][T12221] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 361.770802][T12221] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 361.781442][T12221] Remounting filesystem read-only [pid 12219] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12214] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... close resumed>) = 0 [pid 12222] truncate("./file2", 0 [pid 12220] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12215] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] rmdir("./370/file0" [pid 12220] <... futex resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 12220] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] getdents64(3, [pid 12221] <... truncate resumed>) = 0 [pid 12219] <... fsconfig resumed>) = 0 [pid 12218] <... futex resumed>) = 0 [pid 12215] <... futex resumed>) = 1 [pid 12221] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12219] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12218] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12217] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12215] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12221] <... futex resumed>) = 0 [pid 12219] <... futex resumed>) = 1 [pid 12214] <... futex resumed>) = 0 [pid 5070] close(3 [pid 12214] exit_group(0 [pid 5070] <... close resumed>) = 0 [pid 12226] <... futex resumed>) = ? [pid 12214] <... exit_group resumed>) = ? [pid 5070] rmdir("./370" [pid 12226] +++ exited with 0 +++ [pid 5070] <... rmdir resumed>) = 0 [pid 5070] mkdir("./371", 0777 [pid 12221] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] <... mkdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 12219] +++ exited with 0 +++ [ 361.784930][T12219] NILFS (loop2): mounting fs with errors [ 361.787188][T12221] NILFS (loop4): error -5 truncating bmap (ino=16) [ 361.800788][T12222] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 361.811695][T12222] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 361.812602][T12218] NILFS (loop0): mounting fs with errors [ 361.822742][T12222] Remounting filesystem read-only [ 361.833933][T12222] NILFS (loop1): error -5 truncating bmap (ino=16) [pid 12217] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12214] +++ exited with 0 +++ [pid 12221] <... futex resumed>) = 0 [pid 12218] <... fsconfig resumed>) = 0 [pid 12217] <... futex resumed>) = 1 [pid 12221] fspick(AT_FDCWD, ".", 0 [pid 12218] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12217] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12214, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 12221] <... fspick resumed>) = 4 [pid 12218] <... futex resumed>) = 1 [pid 12215] <... futex resumed>) = 0 [pid 12222] <... truncate resumed>) = 0 [pid 12221] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12218] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12215] exit_group(0 [pid 12227] <... futex resumed>) = ? [pid 12222] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12221] <... futex resumed>) = 1 [pid 12218] <... futex resumed>) = ? [pid 12217] <... futex resumed>) = 0 [pid 12215] <... exit_group resumed>) = ? [pid 5069] umount2("./370", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12227] +++ exited with 0 +++ [pid 12221] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12218] +++ exited with 0 +++ [pid 12217] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12217] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./370", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12221] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12217] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... openat resumed>) = 3 [pid 5069] newfstatat(3, "", [pid 12220] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12220] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12220] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12222] <... futex resumed>) = 1 [pid 12221] <... fsconfig resumed>) = 0 [pid 12220] <... futex resumed>) = 0 [pid 12215] +++ exited with 0 +++ [pid 5069] umount2("./370/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12221] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12220] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=38000000} [pid 12222] fspick(AT_FDCWD, ".", 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12215, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 12221] <... futex resumed>) = 1 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12222] <... fspick resumed>) = 4 [pid 12221] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12217] <... futex resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./370/binderfs", [pid 12222] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12217] exit_group(0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] unlink("./370/binderfs" [pid 12222] <... futex resumed>) = 1 [pid 12221] <... futex resumed>) = ? [pid 12220] <... futex resumed>) = 0 [pid 12217] <... exit_group resumed>) = ? [pid 5067] umount2("./371", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12220] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12222] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12220] <... futex resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12220] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... unlink resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./371", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] umount2("./370/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12221] +++ exited with 0 +++ [pid 12217] +++ exited with 0 +++ [pid 5067] <... openat resumed>) = 3 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12217, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5071] umount2("./374", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./374", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12222] <... fsconfig resumed>) = 0 [pid 5071] umount2("./374/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12222] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12220] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12222] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12220] exit_group(0 [pid 12222] <... futex resumed>) = ? [pid 12220] <... exit_group resumed>) = ? [pid 5071] newfstatat(AT_FDCWD, "./374/binderfs", [pid 5067] newfstatat(3, "", [pid 12222] +++ exited with 0 +++ [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] unlink("./374/binderfs" [pid 5067] getdents64(3, [pid 12220] +++ exited with 0 +++ [pid 5071] <... unlink resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./374/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./371/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12220, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5067] newfstatat(AT_FDCWD, "./371/binderfs", [pid 5068] <... restart_syscall resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./371/binderfs") = 0 [pid 5067] umount2("./371/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./367", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./367", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./367/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./367/binderfs", [pid 5070] <... ioctl resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] unlink("./367/binderfs") = 0 [ 361.847291][T12221] NILFS (loop4): mounting fs with errors [ 361.864900][T12222] NILFS (loop1): mounting fs with errors [pid 5068] umount2("./367/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(3 [pid 5069] <... umount2 resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] umount2("./370/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./367/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 12229 attached [pid 5071] umount2("./374/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] newfstatat(AT_FDCWD, "./370/file0", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./371/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12229] set_robust_list(0x555589d386a0, 24 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12229] <... set_robust_list resumed>) = 0 [pid 5071] newfstatat(AT_FDCWD, "./374/file0", [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12229] chdir("./371" [pid 5068] newfstatat(AT_FDCWD, "./367/file0", [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] umount2("./370/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12229] <... chdir resumed>) = 0 [pid 5071] umount2("./374/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 12229 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./367/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./370/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./371/file0", [pid 12229] <... prctl resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./374/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... openat resumed>) = 4 [pid 5068] openat(AT_FDCWD, "./367/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... openat resumed>) = 4 [pid 5069] newfstatat(4, "", [pid 5068] <... openat resumed>) = 4 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12229] setpgid(0, 0 [pid 5071] newfstatat(4, "", [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] newfstatat(4, "", [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(4, [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12229] <... setpgid resumed>) = 0 [pid 5071] getdents64(4, [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, [pid 5067] umount2("./371/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] getdents64(4, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12229] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] openat(AT_FDCWD, "./371/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... close resumed>) = 0 [pid 5071] close(4 [pid 5068] close(4 [pid 12229] write(3, "1000", 4 [pid 5071] <... close resumed>) = 0 [pid 5069] rmdir("./370/file0" [pid 5068] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 12229] <... write resumed>) = 4 [pid 5071] rmdir("./374/file0" [pid 5069] <... rmdir resumed>) = 0 [pid 5068] rmdir("./367/file0" [pid 5067] newfstatat(4, "", [pid 12229] close(3 [pid 5069] getdents64(3, [pid 5068] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] close(3 [pid 12229] <... close resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 12229] symlink("/dev/binderfs", "./binderfs" [pid 5071] getdents64(3, [pid 5067] getdents64(4, [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./370" [pid 5068] getdents64(3, [pid 12229] <... symlink resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 12229] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] getdents64(4, [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12229] <... futex resumed>) = 0 [pid 5071] close(3 [pid 5069] mkdir("./371", 0777 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 12229] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5071] <... close resumed>) = 0 [pid 5067] close(4 [pid 12229] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5071] rmdir("./374" [pid 5068] close(3 [pid 5067] <... close resumed>) = 0 [pid 12229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] <... mkdir resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 12229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] rmdir("./367" [pid 5067] rmdir("./371/file0" [pid 12229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] mkdir("./375", 0777 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 12229] <... mmap resumed>) = 0x7f43d3147000 [pid 12229] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] mkdir("./368", 0777 [pid 12229] <... mprotect resumed>) = 0 [pid 5067] getdents64(3, [pid 12229] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5067] close(3 [pid 12229] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] <... ioctl resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5069] close(3 [pid 5068] <... openat resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] <... close resumed>) = 0 ./strace-static-x86_64: Process 12230 attached [pid 12229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12230] set_robust_list(0x555589d386a0, 24 [pid 5067] rmdir("./371" [pid 12230] <... set_robust_list resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 12230 ./strace-static-x86_64: Process 12231 attached [pid 12230] chdir("./371" [pid 5067] <... rmdir resumed>) = 0 [pid 12231] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12230] <... chdir resumed>) = 0 [pid 12229] <... clone3 resumed> => {parent_tid=[12231]}, 88) = 12231 [pid 5067] mkdir("./372", 0777 [pid 12231] <... rseq resumed>) = 0 [pid 12230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12229] rt_sigprocmask(SIG_SETMASK, [], [pid 12231] set_robust_list(0x7f43d31679a0, 24 [pid 12230] <... prctl resumed>) = 0 [pid 12229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12231] <... set_robust_list resumed>) = 0 [pid 12230] setpgid(0, 0 [pid 12229] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12231] rt_sigprocmask(SIG_SETMASK, [], [pid 12230] <... setpgid resumed>) = 0 [pid 12229] <... futex resumed>) = 0 [pid 12231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12229] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] <... mkdir resumed>) = 0 [pid 12230] <... openat resumed>) = 3 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12231] memfd_create("syzkaller", 0 [pid 5067] <... openat resumed>) = 3 [pid 12231] <... memfd_create resumed>) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 12231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12230] write(3, "1000", 4) = 4 [pid 12231] <... mmap resumed>) = 0x7f43cac00000 [pid 12230] close(3) = 0 [pid 12230] symlink("/dev/binderfs", "./binderfs") = 0 [pid 12230] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12231] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12230] <... futex resumed>) = 0 [pid 12230] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 12230] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 12230] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12230] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12231] <... write resumed>) = 1048576 [pid 12230] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 12231] munmap(0x7f43cac00000, 138412032 [pid 5068] close(3 [pid 12230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12231] <... munmap resumed>) = 0 [pid 12231] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5068] <... close resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12230] <... clone3 resumed> => {parent_tid=[12232]}, 88) = 12232 [pid 12230] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12230] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12230] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12233 attached [pid 12233] set_robust_list(0x555589d386a0, 24 [pid 5071] <... ioctl resumed>) = 0 [pid 12233] <... set_robust_list resumed>) = 0 [pid 12233] chdir("./368" [pid 5071] close(3./strace-static-x86_64: Process 12232 attached [pid 12233] <... chdir resumed>) = 0 [pid 12231] <... openat resumed>) = 4 [pid 5071] <... close resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 12233 [pid 12233] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12232] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12231] ioctl(4, LOOP_SET_FD, 3 [pid 12232] <... rseq resumed>) = 0 [pid 12233] <... prctl resumed>) = 0 [pid 12233] setpgid(0, 0) = 0 [pid 12233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 12234 [pid 12233] write(3, "1000", 4) = 4 [pid 12233] close(3./strace-static-x86_64: Process 12234 attached ) = 0 [pid 12232] set_robust_list(0x7f43d31679a0, 24 [pid 12233] symlink("/dev/binderfs", "./binderfs" [pid 12234] set_robust_list(0x555589d386a0, 24 [pid 12232] <... set_robust_list resumed>) = 0 [pid 12234] <... set_robust_list resumed>) = 0 [pid 12234] chdir("./375" [pid 12233] <... symlink resumed>) = 0 [pid 12232] rt_sigprocmask(SIG_SETMASK, [], [pid 12234] <... chdir resumed>) = 0 [pid 12233] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12233] <... futex resumed>) = 0 [pid 12232] memfd_create("syzkaller", 0 [pid 12234] <... prctl resumed>) = 0 [pid 12233] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12232] <... memfd_create resumed>) = 3 [pid 12234] setpgid(0, 0 [pid 12233] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12234] <... setpgid resumed>) = 0 [pid 12233] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12232] <... mmap resumed>) = 0x7f43cac00000 [pid 12234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 12233] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12233] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12234] <... openat resumed>) = 3 [pid 12232] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12231] <... ioctl resumed>) = 0 [pid 5067] <... ioctl resumed>) = 0 [pid 5067] close(3) = 0 [pid 12233] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12234] write(3, "1000", 4 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12231] close(3) = 0 [pid 12233] <... clone3 resumed> => {parent_tid=[12235]}, 88) = 12235 [pid 12231] close(4) = 0 [pid 12233] rt_sigprocmask(SIG_SETMASK, [], [pid 12231] mkdir("./file0", 0777./strace-static-x86_64: Process 12235 attached [pid 12234] <... write resumed>) = 4 [pid 12233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12231] <... mkdir resumed>) = 0 [pid 12234] close(3 [pid 12233] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 12236 ./strace-static-x86_64: Process 12236 attached [pid 12235] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12234] <... close resumed>) = 0 [pid 12233] <... futex resumed>) = 0 [pid 12231] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12236] set_robust_list(0x555589d386a0, 24 [pid 12235] <... rseq resumed>) = 0 [ 362.053243][T12231] loop3: detected capacity change from 0 to 2048 [pid 12233] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12234] symlink("/dev/binderfs", "./binderfs" [pid 12236] <... set_robust_list resumed>) = 0 [pid 12235] set_robust_list(0x7f43d31679a0, 24 [pid 12236] chdir("./372" [pid 12235] <... set_robust_list resumed>) = 0 [pid 12234] <... symlink resumed>) = 0 [pid 12232] <... write resumed>) = 1048576 [pid 12236] <... chdir resumed>) = 0 [pid 12235] rt_sigprocmask(SIG_SETMASK, [], [pid 12234] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12232] munmap(0x7f43cac00000, 138412032 [pid 12236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12234] <... futex resumed>) = 0 [pid 12236] <... prctl resumed>) = 0 [pid 12235] memfd_create("syzkaller", 0 [pid 12236] setpgid(0, 0) = 0 [pid 12235] <... memfd_create resumed>) = 3 [pid 12234] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12235] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12234] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12235] <... mmap resumed>) = 0x7f43cac00000 [pid 12234] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12236] <... openat resumed>) = 3 [pid 12234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 12234] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12236] write(3, "1000", 4 [pid 12234] <... mprotect resumed>) = 0 [pid 12234] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12236] <... write resumed>) = 4 [pid 12234] <... clone3 resumed> => {parent_tid=[12237]}, 88) = 12237 [pid 12232] <... munmap resumed>) = 0 [pid 12236] close(3 [pid 12234] rt_sigprocmask(SIG_SETMASK, [], [pid 12232] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12236] <... close resumed>) = 0 [pid 12234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12232] <... openat resumed>) = 4 ./strace-static-x86_64: Process 12237 attached [pid 12236] symlink("/dev/binderfs", "./binderfs" [pid 12235] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12234] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12232] ioctl(4, LOOP_SET_FD, 3 [pid 12237] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12236] <... symlink resumed>) = 0 [pid 12237] <... rseq resumed>) = 0 [pid 12237] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 12237] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12237] memfd_create("syzkaller", 0) = 3 [pid 12237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 12234] <... futex resumed>) = 0 [pid 12236] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12232] <... ioctl resumed>) = 0 [pid 12236] <... futex resumed>) = 0 [pid 12234] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12236] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 12236] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 12236] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12232] close(3 [pid 12236] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12232] <... close resumed>) = 0 [pid 12237] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12236] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12235] <... write resumed>) = 1048576 [pid 12232] close(4) = 0 [ 362.110689][T12231] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 362.142748][T12232] loop2: detected capacity change from 0 to 2048 [pid 12236] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12232] mkdir("./file0", 0777) = 0 [pid 12232] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, ""./strace-static-x86_64: Process 12239 attached [pid 12231] <... mount resumed>) = 0 [pid 12236] <... clone3 resumed> => {parent_tid=[12239]}, 88) = 12239 [pid 12231] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12239] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12237] <... write resumed>) = 1048576 [pid 12236] rt_sigprocmask(SIG_SETMASK, [], [pid 12235] munmap(0x7f43cac00000, 138412032 [pid 12231] <... openat resumed>) = 3 [pid 12239] <... rseq resumed>) = 0 [pid 12237] munmap(0x7f43cac00000, 138412032 [pid 12236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12235] <... munmap resumed>) = 0 [pid 12239] set_robust_list(0x7f43d31679a0, 24 [pid 12237] <... munmap resumed>) = 0 [pid 12236] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12235] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12231] chdir("./file0" [pid 12239] <... set_robust_list resumed>) = 0 [pid 12236] <... futex resumed>) = 0 [pid 12239] rt_sigprocmask(SIG_SETMASK, [], [pid 12236] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12239] memfd_create("syzkaller", 0 [pid 12235] <... openat resumed>) = 4 [pid 12231] <... chdir resumed>) = 0 [pid 12239] <... memfd_create resumed>) = 3 [pid 12237] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 362.195007][T12238] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 362.213279][T12232] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 362.234297][T12235] loop1: detected capacity change from 0 to 2048 [pid 12235] ioctl(4, LOOP_SET_FD, 3 [pid 12231] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12237] <... openat resumed>) = 4 [pid 12239] <... mmap resumed>) = 0x7f43cac00000 [pid 12237] ioctl(4, LOOP_SET_FD, 3 [pid 12235] <... ioctl resumed>) = 0 [pid 12232] <... mount resumed>) = 0 [pid 12231] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12231] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12232] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12235] close(3 [pid 12231] <... futex resumed>) = 1 [pid 12232] <... openat resumed>) = 3 [pid 12231] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12235] <... close resumed>) = 0 [pid 12235] close(4 [pid 12232] chdir("./file0" [pid 12235] <... close resumed>) = 0 [pid 12232] <... chdir resumed>) = 0 [pid 12235] mkdir("./file0", 0777 [pid 12232] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12239] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12237] <... ioctl resumed>) = 0 [pid 12235] <... mkdir resumed>) = 0 [pid 12232] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12229] <... futex resumed>) = 0 [pid 12229] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12231] <... futex resumed>) = 0 [pid 12229] <... futex resumed>) = 1 [pid 12231] truncate("./file2", 0 [pid 12229] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12237] close(3 [pid 12235] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12232] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12237] <... close resumed>) = 0 [pid 12232] <... futex resumed>) = 1 [ 362.240668][T12240] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 362.246172][T12237] loop4: detected capacity change from 0 to 2048 [ 362.270705][T12231] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 362.285194][T12235] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12239] <... write resumed>) = 1048576 [pid 12237] close(4 [pid 12232] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12230] <... futex resumed>) = 0 [pid 12230] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12230] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12237] <... close resumed>) = 0 [pid 12239] munmap(0x7f43cac00000, 138412032 [pid 12232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12232] truncate("./file2", 0 [pid 12239] <... munmap resumed>) = 0 [pid 12237] mkdir("./file0", 0777 [pid 12239] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12237] <... mkdir resumed>) = 0 [pid 12229] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12229] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12229] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12229] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12239] <... openat resumed>) = 4 [pid 12229] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 12242 attached => {parent_tid=[12242]}, 88) = 12242 [pid 12242] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12229] rt_sigprocmask(SIG_SETMASK, [], [pid 12242] <... rseq resumed>) = 0 [pid 12229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12242] set_robust_list(0x7f43d31469a0, 24 [pid 12229] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12242] <... set_robust_list resumed>) = 0 [pid 12229] <... futex resumed>) = 0 [pid 12242] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12242] fspick(AT_FDCWD, ".", 0) = 4 [pid 12229] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12242] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12229] <... futex resumed>) = 0 [pid 12229] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12229] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 362.290339][T12231] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 362.312245][T12232] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 362.327557][T12241] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12242] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12239] ioctl(4, LOOP_SET_FD, 3 [pid 12237] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12230] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12230] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12229] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12230] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12239] <... ioctl resumed>) = 0 [pid 12235] <... mount resumed>) = 0 [pid 12230] <... mprotect resumed>) = 0 [pid 12235] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12230] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12239] close(3 [pid 12235] <... openat resumed>) = 3 [ 362.334745][T12232] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 362.351371][T12239] loop0: detected capacity change from 0 to 2048 [ 362.359629][T12231] Remounting filesystem read-only [ 362.360563][T12237] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 362.366398][T12231] NILFS (loop3): error -5 truncating bmap (ino=16) [ 362.375501][T12232] Remounting filesystem read-only [pid 12239] <... close resumed>) = 0 [pid 12235] chdir("./file0" [pid 12230] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12235] <... chdir resumed>) = 0 [pid 12235] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12235] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12233] <... futex resumed>) = 0 [pid 12235] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12233] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12233] <... futex resumed>) = 0 [pid 12235] truncate("./file2", 0 [pid 12233] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12239] close(4 [pid 12232] <... truncate resumed>) = 0 [pid 12231] <... truncate resumed>) = 0 [pid 12230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12239] <... close resumed>) = 0 [pid 12232] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12231] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12239] mkdir("./file0", 0777 [pid 12232] <... futex resumed>) = 0 [pid 12230] <... clone3 resumed> => {parent_tid=[12243]}, 88) = 12243 [pid 12239] <... mkdir resumed>) = 0 [pid 12232] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12231] <... futex resumed>) = 0 [pid 12230] rt_sigprocmask(SIG_SETMASK, [], [pid 12239] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12231] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12230] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 12243 attached [pid 12242] <... fsconfig resumed>) = 0 [pid 12230] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12243] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12242] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12230] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12243] <... rseq resumed>) = 0 [pid 12242] <... futex resumed>) = 0 [pid 12243] set_robust_list(0x7f43d31469a0, 24 [pid 12242] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12243] <... set_robust_list resumed>) = 0 [pid 12229] exit_group(0 [pid 12243] rt_sigprocmask(SIG_SETMASK, [], [pid 12229] <... exit_group resumed>) = ? [pid 12242] <... futex resumed>) = ? [pid 12243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12231] <... futex resumed>) = ? [pid 12242] +++ exited with 0 +++ [pid 12243] fspick(AT_FDCWD, ".", 0 [pid 12231] +++ exited with 0 +++ [pid 12229] +++ exited with 0 +++ [ 362.387803][T12232] NILFS (loop2): error -5 truncating bmap (ino=16) [ 362.395682][T12235] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 362.407789][T12242] NILFS (loop3): mounting fs with errors [ 362.415717][T12239] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 362.435512][T12235] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 12243] <... fspick resumed>) = 4 [pid 12233] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12229, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 12233] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12243] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12233] <... futex resumed>) = 0 [pid 12243] <... futex resumed>) = 1 [pid 12230] <... futex resumed>) = 0 [pid 5070] umount2("./371", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12230] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12243] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12233] <... mmap resumed>) = 0x7f43d3126000 [pid 12232] <... futex resumed>) = 0 [pid 12230] <... futex resumed>) = 1 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12232] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12230] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12237] <... mount resumed>) = 0 [pid 12235] <... truncate resumed>) = 0 [pid 12233] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12237] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12235] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12233] <... mprotect resumed>) = 0 [pid 12237] <... openat resumed>) = 3 [pid 12235] <... futex resumed>) = 0 [pid 12233] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12237] chdir("./file0" [pid 12233] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12237] <... chdir resumed>) = 0 [pid 12235] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12233] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 12246 attached [pid 12237] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] openat(AT_FDCWD, "./371", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12246] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12237] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12233] <... clone3 resumed> => {parent_tid=[12246]}, 88) = 12246 [pid 12246] <... rseq resumed>) = 0 [pid 12237] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12233] rt_sigprocmask(SIG_SETMASK, [], [pid 12246] set_robust_list(0x7f43d31469a0, 24 [pid 12237] <... futex resumed>) = 1 [pid 12234] <... futex resumed>) = 0 [pid 12233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12246] <... set_robust_list resumed>) = 0 [pid 12237] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12234] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12233] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12246] rt_sigprocmask(SIG_SETMASK, [], [pid 12237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12234] <... futex resumed>) = 0 [pid 12233] <... futex resumed>) = 0 [pid 12246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12237] truncate("./file2", 0 [pid 12234] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12233] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12246] fspick(AT_FDCWD, ".", 0) = 4 [pid 12246] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12233] <... futex resumed>) = 0 [pid 12246] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12233] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12235] <... futex resumed>) = 0 [pid 12233] <... futex resumed>) = 1 [pid 12235] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [ 362.448026][T12235] Remounting filesystem read-only [ 362.450594][T12244] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 362.453659][T12235] NILFS (loop1): error -5 truncating bmap (ino=16) [ 362.475718][T12232] NILFS (loop2): mounting fs with errors [ 362.485139][T12245] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12233] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12237] <... truncate resumed>) = 0 [pid 12235] <... fsconfig resumed>) = 0 [pid 12232] <... fsconfig resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 12237] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12234] <... futex resumed>) = 0 [pid 12237] fspick(AT_FDCWD, ".", 0 [pid 12234] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12237] <... fspick resumed>) = 4 [pid 12234] <... futex resumed>) = 0 [pid 12237] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12235] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12234] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12237] <... futex resumed>) = 0 [pid 12235] <... futex resumed>) = 1 [pid 12234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12233] <... futex resumed>) = 0 [pid 12237] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12235] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12234] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12233] exit_group(0 [pid 12232] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] newfstatat(3, "", [pid 12246] <... futex resumed>) = ? [pid 12234] <... futex resumed>) = 0 [pid 12233] <... exit_group resumed>) = ? [pid 12232] <... futex resumed>) = 1 [pid 12246] +++ exited with 0 +++ [pid 12234] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12232] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./371/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./371/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] unlink("./371/binderfs") = 0 [pid 5070] umount2("./371/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12239] <... mount resumed>) = 0 [pid 12239] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12239] chdir("./file0") = 0 [pid 12235] <... futex resumed>) = ? [pid 12230] <... futex resumed>) = 0 [pid 12235] +++ exited with 0 +++ [pid 12237] <... fsconfig resumed>) = 0 [pid 12233] +++ exited with 0 +++ [pid 12230] exit_group(0 [pid 5070] <... umount2 resumed>) = 0 [pid 12243] <... futex resumed>) = ? [pid 12239] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12237] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12232] <... futex resumed>) = ? [pid 12230] <... exit_group resumed>) = ? [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12233, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 12243] +++ exited with 0 +++ [pid 12239] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5068] umount2("./368", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./368", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12239] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 3 [pid 12239] <... futex resumed>) = 1 [pid 12236] <... futex resumed>) = 0 [pid 12232] +++ exited with 0 +++ [pid 12230] +++ exited with 0 +++ [pid 5068] newfstatat(3, "", [pid 12237] <... futex resumed>) = 1 [pid 12236] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12234] <... futex resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12230, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12239] truncate("./file2", 0 [pid 12237] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12236] <... futex resumed>) = 0 [ 362.496359][T12235] NILFS (loop1): mounting fs with errors [ 362.502606][T12237] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 362.502664][T12237] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 362.503253][T12237] Remounting filesystem read-only [ 362.503268][T12237] NILFS (loop4): error -5 truncating bmap (ino=16) [ 362.537951][T12237] NILFS (loop4): mounting fs with errors [pid 12234] exit_group(0 [pid 5068] getdents64(3, [pid 12237] <... futex resumed>) = ? [pid 12236] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12234] <... exit_group resumed>) = ? [pid 5070] umount2("./371/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12237] +++ exited with 0 +++ [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] newfstatat(AT_FDCWD, "./371/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] umount2("./371", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./371/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "./371", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 3 [pid 5069] newfstatat(3, "", [pid 5070] openat(AT_FDCWD, "./371/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, [pid 5070] <... openat resumed>) = 4 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./368/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./371/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] newfstatat(4, "", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12234] +++ exited with 0 +++ [pid 5069] newfstatat(AT_FDCWD, "./371/binderfs", [pid 5068] newfstatat(AT_FDCWD, "./368/binderfs", [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12234, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] getdents64(4, [pid 5069] unlink("./371/binderfs") = 0 [pid 5069] umount2("./371/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./371/file0" [pid 12239] <... truncate resumed>) = 0 [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... restart_syscall resumed>) = 0 [pid 5069] umount2("./371/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] unlink("./368/binderfs" [pid 12239] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... unlink resumed>) = 0 [pid 12239] <... futex resumed>) = 1 [pid 12236] <... futex resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./371/file0", [pid 12239] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12236] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12236] <... futex resumed>) = 0 [pid 5070] getdents64(3, [pid 12239] fspick(AT_FDCWD, ".", 0 [pid 12236] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12239] <... fspick resumed>) = 4 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./368/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12239] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] umount2("./375", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(3 [pid 5069] umount2("./371/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12239] <... futex resumed>) = 1 [pid 12236] <... futex resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = 0 [pid 12239] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12236] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./375", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 362.555831][T12239] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 362.567779][T12239] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 362.581637][T12239] Remounting filesystem read-only [ 362.587134][T12239] NILFS (loop0): error -5 truncating bmap (ino=16) [pid 5069] openat(AT_FDCWD, "./371/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] newfstatat(3, "", [pid 5069] <... openat resumed>) = 4 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, [pid 5069] newfstatat(4, "", [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(4, [pid 12239] <... fsconfig resumed>) = 0 [pid 12236] <... futex resumed>) = 0 [pid 5071] umount2("./375/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] rmdir("./371" [pid 5068] <... umount2 resumed>) = 0 [pid 12239] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12236] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] umount2("./368/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12239] <... futex resumed>) = 0 [pid 12236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5071] newfstatat(AT_FDCWD, "./375/binderfs", [pid 5070] <... rmdir resumed>) = 0 [pid 5069] getdents64(4, [pid 12236] exit_group(0 [pid 5070] mkdir("./372", 0777 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12239] +++ exited with 0 +++ [pid 12236] <... exit_group resumed>) = ? [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] newfstatat(AT_FDCWD, "./368/file0", [pid 5069] close(4 [pid 5071] unlink("./375/binderfs" [pid 5069] <... close resumed>) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] rmdir("./371/file0" [pid 12236] +++ exited with 0 +++ [pid 5071] umount2("./375/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] umount2("./368/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12236, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./368/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] getdents64(3, [pid 5068] <... openat resumed>) = 4 [pid 5067] <... restart_syscall resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] close(3 [pid 5068] newfstatat(4, "", [pid 5069] <... close resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] umount2("./372", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] rmdir("./371" [pid 5068] getdents64(4, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./372", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] newfstatat(3, "", [pid 5068] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] close(4 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] getdents64(3, [pid 5069] mkdir("./372", 0777 [pid 5068] rmdir("./368/file0" [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] umount2("./372/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] <... mkdir resumed>) = 0 [pid 5068] getdents64(3, [pid 5067] newfstatat(AT_FDCWD, "./372/binderfs", [ 362.603368][T12239] NILFS (loop0): mounting fs with errors [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5068] close(3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... close resumed>) = 0 [pid 5067] unlink("./372/binderfs" [pid 5071] umount2("./375/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] rmdir("./368" [pid 5067] <... unlink resumed>) = 0 [pid 5071] newfstatat(AT_FDCWD, "./375/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] umount2("./372/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./375/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] mkdir("./369", 0777 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./375/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./372/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... mkdir resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./372/file0", [pid 5071] newfstatat(4, "", [pid 5068] <... openat resumed>) = 3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(4, [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] umount2("./372/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] getdents64(4, [pid 5067] openat(AT_FDCWD, "./372/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] close(4 [pid 5067] <... openat resumed>) = 4 [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./375/file0" [pid 5070] <... ioctl resumed>) = 0 [pid 5067] newfstatat(4, "", [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, [pid 5070] close(3 [pid 5067] getdents64(4, [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] close(3) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5071] rmdir("./375" [pid 5067] close(4 [pid 5071] <... rmdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5067] rmdir("./372/file0") = 0 [pid 5071] mkdir("./376", 0777) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] close(3 [pid 5068] <... ioctl resumed>) = 0 [pid 5067] getdents64(3, [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] close(3) = 0 [pid 5067] rmdir("./372" [pid 5071] <... openat resumed>) = 3 [pid 5067] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 12247 attached [pid 5071] ioctl(3, LOOP_CLR_FD [pid 12247] set_robust_list(0x555589d386a0, 24 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 12247 [pid 12247] <... set_robust_list resumed>) = 0 [pid 5067] mkdir("./373", 0777./strace-static-x86_64: Process 12248 attached [pid 12247] chdir("./372" [pid 5067] <... mkdir resumed>) = 0 [pid 12247] <... chdir resumed>) = 0 [pid 12247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12247] <... prctl resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 12248] set_robust_list(0x555589d386a0, 24 [pid 12247] setpgid(0, 0 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 12248 [pid 5068] close(3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 12248] <... set_robust_list resumed>) = 0 [pid 12247] <... setpgid resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 12248] chdir("./372" [pid 12247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12248] <... chdir resumed>) = 0 [pid 12248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12248] setpgid(0, 0) = 0 [pid 12247] <... openat resumed>) = 3 ./strace-static-x86_64: Process 12249 attached [pid 12248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12247] write(3, "1000", 4 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 12249 [pid 12249] set_robust_list(0x555589d386a0, 24 [pid 12247] <... write resumed>) = 4 [pid 12249] <... set_robust_list resumed>) = 0 [pid 12247] close(3 [pid 12249] chdir("./369" [pid 12247] <... close resumed>) = 0 [pid 12249] <... chdir resumed>) = 0 [pid 12247] symlink("/dev/binderfs", "./binderfs" [pid 12249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12247] <... symlink resumed>) = 0 [pid 12249] <... prctl resumed>) = 0 [pid 12249] setpgid(0, 0 [pid 12248] <... openat resumed>) = 3 [pid 12249] <... setpgid resumed>) = 0 [pid 12248] write(3, "1000", 4 [pid 12247] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12248] <... write resumed>) = 4 [pid 12247] <... futex resumed>) = 0 [pid 12248] close(3 [pid 12247] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12249] <... openat resumed>) = 3 [pid 12248] <... close resumed>) = 0 [pid 12247] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12248] symlink("/dev/binderfs", "./binderfs" [pid 12247] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12249] write(3, "1000", 4 [pid 12247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12249] <... write resumed>) = 4 [pid 12247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12249] close(3 [pid 12247] <... mmap resumed>) = 0x7f43d3147000 [pid 12249] <... close resumed>) = 0 [pid 12248] <... symlink resumed>) = 0 [pid 12249] symlink("/dev/binderfs", "./binderfs" [pid 12247] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12249] <... symlink resumed>) = 0 [pid 12248] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12247] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12248] <... futex resumed>) = 0 [pid 12249] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12248] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12247] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12249] <... futex resumed>) = 0 [pid 12248] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12249] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12248] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 12250 attached [pid 12249] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12250] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12249] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12247] <... clone3 resumed> => {parent_tid=[12250]}, 88) = 12250 [pid 12250] <... rseq resumed>) = 0 [pid 12249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12247] rt_sigprocmask(SIG_SETMASK, [], [pid 12250] set_robust_list(0x7f43d31679a0, 24 [pid 12249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12248] <... mmap resumed>) = 0x7f43d3147000 [pid 5071] <... ioctl resumed>) = 0 [pid 12248] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12248] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 12251 attached [pid 12251] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12248] <... clone3 resumed> => {parent_tid=[12251]}, 88) = 12251 [pid 12251] <... rseq resumed>) = 0 [pid 12248] rt_sigprocmask(SIG_SETMASK, [], [pid 12251] set_robust_list(0x7f43d31679a0, 24 [pid 12248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12251] <... set_robust_list resumed>) = 0 [pid 12250] <... set_robust_list resumed>) = 0 [pid 12248] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... ioctl resumed>) = 0 [pid 12251] rt_sigprocmask(SIG_SETMASK, [], [pid 12250] rt_sigprocmask(SIG_SETMASK, [], [pid 12249] <... mmap resumed>) = 0x7f43d3147000 [pid 12248] <... futex resumed>) = 0 [pid 12247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12251] memfd_create("syzkaller", 0 [pid 12248] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12251] <... memfd_create resumed>) = 3 [pid 12250] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12249] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12247] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12247] <... futex resumed>) = 0 [pid 5071] close(3 [pid 12249] <... mprotect resumed>) = 0 [pid 12247] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5071] <... close resumed>) = 0 [pid 12251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12250] memfd_create("syzkaller", 0 [pid 12249] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] close(3 [pid 12250] <... memfd_create resumed>) = 3 [pid 12251] <... mmap resumed>) = 0x7f43cac00000 [pid 12250] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 12249] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 12252 [pid 5067] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12252 attached [pid 12252] set_robust_list(0x555589d386a0, 24) = 0 [pid 12252] chdir("./376") = 0 [pid 12249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 12253 attached [pid 12252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 12253 [pid 12252] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 12254 attached [pid 12253] set_robust_list(0x555589d386a0, 24 [pid 12252] setpgid(0, 0 [pid 12254] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12252] <... setpgid resumed>) = 0 [pid 12251] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12249] <... clone3 resumed> => {parent_tid=[12254]}, 88) = 12254 [pid 12254] <... rseq resumed>) = 0 [pid 12252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12253] <... set_robust_list resumed>) = 0 [pid 12249] rt_sigprocmask(SIG_SETMASK, [], [pid 12252] <... openat resumed>) = 3 [pid 12249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12254] set_robust_list(0x7f43d31679a0, 24 [pid 12253] chdir("./373" [pid 12252] write(3, "1000", 4 [pid 12249] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12254] <... set_robust_list resumed>) = 0 [pid 12252] <... write resumed>) = 4 [pid 12249] <... futex resumed>) = 0 [pid 12254] rt_sigprocmask(SIG_SETMASK, [], [pid 12252] close(3 [pid 12254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12252] <... close resumed>) = 0 [pid 12249] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12254] memfd_create("syzkaller", 0 [pid 12253] <... chdir resumed>) = 0 [pid 12250] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12252] symlink("/dev/binderfs", "./binderfs" [pid 12254] <... memfd_create resumed>) = 3 [pid 12253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12252] <... symlink resumed>) = 0 [pid 12253] <... prctl resumed>) = 0 [pid 12254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12253] setpgid(0, 0 [pid 12252] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12254] <... mmap resumed>) = 0x7f43cac00000 [pid 12253] <... setpgid resumed>) = 0 [pid 12252] <... futex resumed>) = 0 [pid 12252] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 12252] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3147000 [pid 12252] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12252] <... mprotect resumed>) = 0 [pid 12252] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12252] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12253] <... openat resumed>) = 3 [pid 12253] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 12255 attached [pid 12253] close(3) = 0 [pid 12253] symlink("/dev/binderfs", "./binderfs" [pid 12255] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12254] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12253] <... symlink resumed>) = 0 [pid 12252] <... clone3 resumed> => {parent_tid=[12255]}, 88) = 12255 [pid 12251] <... write resumed>) = 1048576 [pid 12250] <... write resumed>) = 1048576 [pid 12255] <... rseq resumed>) = 0 [pid 12253] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12252] rt_sigprocmask(SIG_SETMASK, [], [pid 12251] munmap(0x7f43cac00000, 138412032 [pid 12255] set_robust_list(0x7f43d31679a0, 24 [pid 12252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12255] <... set_robust_list resumed>) = 0 [pid 12252] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12255] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12253] <... futex resumed>) = 0 [pid 12252] <... futex resumed>) = 0 [pid 12253] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, NULL, 8) = 0 [pid 12253] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12255] memfd_create("syzkaller", 0 [pid 12253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12255] <... memfd_create resumed>) = 3 [pid 12253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12252] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12253] <... mmap resumed>) = 0x7f43d3147000 [pid 12253] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12253] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12250] munmap(0x7f43cac00000, 138412032 [pid 12251] <... munmap resumed>) = 0 [pid 12255] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12250] <... munmap resumed>) = 0 [pid 12253] <... clone3 resumed> => {parent_tid=[12256]}, 88) = 12256 [pid 12253] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12253] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12250] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12253] <... futex resumed>) = 0 [pid 12250] <... openat resumed>) = 4 [pid 12253] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12250] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 12256 attached [pid 12255] <... mmap resumed>) = 0x7f43cac00000 [pid 12254] <... write resumed>) = 1048576 [pid 12251] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12256] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12250] <... ioctl resumed>) = 0 [pid 12250] close(3) = 0 [pid 12250] close(4) = 0 [pid 12256] <... rseq resumed>) = 0 [pid 12251] <... openat resumed>) = 4 [pid 12256] set_robust_list(0x7f43d31679a0, 24 [pid 12254] munmap(0x7f43cac00000, 138412032 [pid 12256] <... set_robust_list resumed>) = 0 [pid 12251] ioctl(4, LOOP_SET_FD, 3 [pid 12256] rt_sigprocmask(SIG_SETMASK, [], [pid 12250] mkdir("./file0", 0777 [pid 12256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12256] memfd_create("syzkaller", 0 [pid 12250] <... mkdir resumed>) = 0 [pid 12256] <... memfd_create resumed>) = 3 [pid 12255] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12254] <... munmap resumed>) = 0 [pid 12251] <... ioctl resumed>) = 0 [pid 12250] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 12256] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12254] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12251] close(3 [pid 12254] ioctl(4, LOOP_SET_FD, 3 [pid 12251] <... close resumed>) = 0 [pid 12251] close(4) = 0 [pid 12251] mkdir("./file0", 0777) = 0 [ 362.878581][T12250] loop2: detected capacity change from 0 to 2048 [ 362.889863][T12251] loop3: detected capacity change from 0 to 2048 [ 362.910080][T12250] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 362.915904][T12254] loop1: detected capacity change from 0 to 2048 [pid 12251] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12255] <... write resumed>) = 1048576 [pid 12254] <... ioctl resumed>) = 0 [pid 12254] close(3) = 0 [pid 12254] close(4) = 0 [pid 12254] mkdir("./file0", 0777) = 0 [pid 12254] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12256] <... write resumed>) = 1048576 [pid 12255] munmap(0x7f43cac00000, 138412032 [pid 12250] <... mount resumed>) = 0 [pid 12250] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12256] munmap(0x7f43cac00000, 138412032 [pid 12250] <... openat resumed>) = 3 [pid 12250] chdir("./file0" [pid 12256] <... munmap resumed>) = 0 [pid 12255] <... munmap resumed>) = 0 [pid 12250] <... chdir resumed>) = 0 [pid 12256] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 12255] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 362.941583][T12251] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 362.958778][T12254] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 362.977748][T12257] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12250] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12256] ioctl(4, LOOP_SET_FD, 3 [pid 12255] <... openat resumed>) = 4 [pid 12256] <... ioctl resumed>) = 0 [pid 12255] ioctl(4, LOOP_SET_FD, 3 [pid 12250] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12250] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12255] <... ioctl resumed>) = 0 [pid 12255] close(3 [pid 12250] <... futex resumed>) = 1 [pid 12247] <... futex resumed>) = 0 [pid 12255] <... close resumed>) = 0 [pid 12250] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12247] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12250] truncate("./file2", 0 [pid 12247] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12256] close(3) = 0 [pid 12256] close(4) = 0 [pid 12256] mkdir("./file0", 0777) = 0 [ 363.001381][T12256] loop0: detected capacity change from 0 to 2048 [ 363.011176][T12255] loop4: detected capacity change from 0 to 2048 [ 363.014741][T12258] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 363.038872][T12256] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12256] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12251] <... mount resumed>) = 0 [pid 12251] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12251] chdir("./file0") = 0 [pid 12251] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12251] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12251] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12248] <... futex resumed>) = 0 [pid 12255] close(4 [pid 12254] <... mount resumed>) = 0 [pid 12248] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12255] <... close resumed>) = 0 [pid 12254] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12255] mkdir("./file0", 0777 [pid 12254] <... openat resumed>) = 3 [pid 12255] <... mkdir resumed>) = 0 [pid 12254] chdir("./file0" [pid 12255] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12254] <... chdir resumed>) = 0 [pid 12254] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12251] <... futex resumed>) = 0 [pid 12248] <... futex resumed>) = 1 [pid 12248] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12251] truncate("./file2", 0 [pid 12254] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12254] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12247] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12254] <... futex resumed>) = 1 [pid 12247] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12254] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12249] <... futex resumed>) = 0 [pid 12247] <... futex resumed>) = 0 [pid 12249] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12254] <... futex resumed>) = 0 [pid 12249] <... futex resumed>) = 1 [pid 12247] <... mmap resumed>) = 0x7f43d3126000 [pid 12254] truncate("./file2", 0 [ 363.046861][T12250] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 363.059554][T12259] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 363.066887][T12255] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 363.089393][T12251] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 12249] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12247] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12247] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12256] <... mount resumed>) = 0 [pid 12247] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12256] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 12261 attached [pid 12256] <... openat resumed>) = 3 [pid 12256] chdir("./file0" [pid 12247] <... clone3 resumed> => {parent_tid=[12261]}, 88) = 12261 [pid 12256] <... chdir resumed>) = 0 [pid 12247] rt_sigprocmask(SIG_SETMASK, [], [pid 12256] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12256] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12247] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12247] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12249] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12256] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12249] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12256] <... futex resumed>) = 1 [pid 12249] <... futex resumed>) = 0 [pid 12256] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12249] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12249] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12261] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12261] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 12262 attached [pid 12253] <... futex resumed>) = 0 [pid 12249] <... clone3 resumed> => {parent_tid=[12262]}, 88) = 12262 [pid 12262] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12261] set_robust_list(0x7f43d31469a0, 24 [pid 12253] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12249] rt_sigprocmask(SIG_SETMASK, [], [pid 12262] <... rseq resumed>) = 0 [pid 12256] <... futex resumed>) = 0 [pid 12253] <... futex resumed>) = 1 [pid 12249] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 363.097152][T12254] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 363.104706][T12251] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 363.120664][T12260] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 363.132405][T12250] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 363.134379][T12254] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 12262] set_robust_list(0x7f43d31469a0, 24 [pid 12261] <... set_robust_list resumed>) = 0 [pid 12256] truncate("./file2", 0 [pid 12249] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12262] <... set_robust_list resumed>) = 0 [pid 12253] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12249] <... futex resumed>) = 0 [pid 12248] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12262] rt_sigprocmask(SIG_SETMASK, [], [pid 12249] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12262] fspick(AT_FDCWD, ".", 0) = 4 [pid 12261] rt_sigprocmask(SIG_SETMASK, [], [pid 12248] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12262] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12249] <... futex resumed>) = 0 [pid 12262] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12249] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12251] <... truncate resumed>) = 0 [pid 12249] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12248] <... futex resumed>) = 0 [pid 12247] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12247] futex(0x7f43d32396ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3105000 [pid 12247] mprotect(0x7f43d3106000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12247] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3125990, parent_tid=0x7f43d3125990, exit_signal=0, stack=0x7f43d3105000, stack_size=0x20300, tls=0x7f43d31256c0} => {parent_tid=[12263]}, 88) = 12263 [pid 12247] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12247] futex(0x7f43d32396e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12261] fspick(AT_FDCWD, ".", 0 [pid 12248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12247] <... futex resumed>) = 0 ./strace-static-x86_64: Process 12263 attached [pid 12247] futex(0x7f43d32396ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12263] rseq(0x7f43d3125fe0, 0x20, 0, 0x53053053 [pid 12261] <... fspick resumed>) = 4 [pid 12248] <... mmap resumed>) = 0x7f43d3126000 [ 363.157874][T12251] Remounting filesystem read-only [ 363.158633][T12254] Remounting filesystem read-only [ 363.163419][T12251] NILFS (loop3): error -5 truncating bmap (ino=16) [ 363.175149][T12256] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 363.176826][T12250] Remounting filesystem read-only [ 363.187954][T12254] NILFS (loop1): error -5 truncating bmap (ino=16) [ 363.192505][T12250] NILFS (loop2): error -5 truncating bmap (ino=16) [pid 12263] <... rseq resumed>) = 0 [pid 12263] set_robust_list(0x7f43d31259a0, 24 [pid 12261] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12248] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12263] <... set_robust_list resumed>) = 0 [pid 12263] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12263] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12261] <... futex resumed>) = 0 [pid 12254] <... truncate resumed>) = 0 [pid 12251] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12250] <... truncate resumed>) = 0 [pid 12248] <... mprotect resumed>) = 0 [pid 12262] <... fsconfig resumed>) = 0 [pid 12261] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12253] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12251] <... futex resumed>) = 0 [pid 12262] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12253] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12248] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12262] <... futex resumed>) = 1 [pid 12253] <... futex resumed>) = 0 [pid 12249] <... futex resumed>) = 0 [pid 12253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12262] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12253] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12253] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12263] <... fsconfig resumed>) = 0 [pid 12256] <... truncate resumed>) = 0 [pid 12255] <... mount resumed>) = 0 [pid 12254] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12251] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12250] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12248] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12263] futex(0x7f43d32396ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 12256] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12255] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12254] <... futex resumed>) = 0 [pid 12250] <... futex resumed>) = 0 [pid 12248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12263] <... futex resumed>) = 1 [pid 12256] <... futex resumed>) = 0 [pid 12255] <... openat resumed>) = 3 [pid 12254] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12253] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12250] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12247] <... futex resumed>) = 0 [pid 12247] exit_group(0 [pid 12255] chdir("./file0" [pid 12247] <... exit_group resumed>) = ? [pid 12256] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12250] <... futex resumed>) = ? [pid 12261] <... futex resumed>) = ? [pid 12250] +++ exited with 0 +++ [pid 12249] exit_group(0 [pid 12263] +++ exited with 0 +++ [pid 12255] <... chdir resumed>) = 0 [pid 12255] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 12265 attached ) = -1 EBUSY (Device or resource busy) [pid 12254] <... futex resumed>) = ? [pid 12253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12249] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 12266 attached [pid 12265] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12262] <... futex resumed>) = ? [pid 12261] +++ exited with 0 +++ [pid 12255] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12254] +++ exited with 0 +++ [pid 12248] <... clone3 resumed> => {parent_tid=[12265]}, 88) = 12265 [pid 12247] +++ exited with 0 +++ [pid 12266] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12265] <... rseq resumed>) = 0 [pid 12255] <... futex resumed>) = 1 [pid 12253] <... clone3 resumed> => {parent_tid=[12266]}, 88) = 12266 [pid 12252] <... futex resumed>) = 0 [pid 12248] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12247, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 12265] set_robust_list(0x7f43d31469a0, 24 [pid 12255] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12253] rt_sigprocmask(SIG_SETMASK, [], [pid 12252] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12266] <... rseq resumed>) = 0 [pid 12265] <... set_robust_list resumed>) = 0 [pid 12255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12252] <... futex resumed>) = 0 [pid 12248] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12266] set_robust_list(0x7f43d31469a0, 24 [pid 12265] rt_sigprocmask(SIG_SETMASK, [], [pid 12255] truncate("./file2", 0 [pid 12253] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12252] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12248] <... futex resumed>) = 0 [pid 5069] umount2("./372", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12266] <... set_robust_list resumed>) = 0 [pid 12265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12262] +++ exited with 0 +++ [pid 12253] <... futex resumed>) = 0 [pid 12249] +++ exited with 0 +++ [ 363.207024][T12256] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 363.207898][T12263] NILFS (loop2): mounting fs with errors [ 363.222485][T12262] NILFS (loop1): mounting fs with errors [ 363.232593][T12264] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 363.243571][T12256] Remounting filesystem read-only [ 363.243591][T12256] NILFS (loop0): error -5 truncating bmap (ino=16) [pid 12266] rt_sigprocmask(SIG_SETMASK, [], [pid 12265] fspick(AT_FDCWD, ".", 0 [pid 12248] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12249, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 12266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12266] fspick(AT_FDCWD, ".", 0) = 4 [pid 12266] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12266] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12253] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12265] <... fspick resumed>) = 4 [pid 5069] openat(AT_FDCWD, "./372", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12265] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... openat resumed>) = 3 [pid 12265] <... futex resumed>) = 1 [pid 12265] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] newfstatat(3, "", [pid 5068] umount2("./369", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12248] <... futex resumed>) = 0 [pid 5069] getdents64(3, [pid 5068] openat(AT_FDCWD, "./369", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] <... openat resumed>) = 3 [pid 12248] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./372/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(3, "", [pid 12253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12251] <... futex resumed>) = 0 [pid 12248] <... futex resumed>) = 1 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12253] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12248] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] newfstatat(AT_FDCWD, "./372/binderfs", [pid 5068] getdents64(3, [pid 12253] <... futex resumed>) = 1 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12253] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] unlink("./372/binderfs" [pid 5068] umount2("./369/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... unlink resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12256] <... futex resumed>) = 0 [pid 12251] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5068] newfstatat(AT_FDCWD, "./369/binderfs", [pid 5069] umount2("./372/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] unlink("./369/binderfs") = 0 [ 363.271359][T12255] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 363.281856][T12255] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 363.292489][T12255] Remounting filesystem read-only [ 363.298109][T12255] NILFS (loop4): error -5 truncating bmap (ino=16) [ 363.305692][T12251] NILFS (loop3): mounting fs with errors [pid 5068] umount2("./369/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12255] <... truncate resumed>) = 0 [pid 12256] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12252] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12251] <... fsconfig resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 12255] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12251] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./372/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12255] <... futex resumed>) = 0 [pid 12251] <... futex resumed>) = 1 [pid 12248] <... futex resumed>) = 0 [pid 12255] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12251] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12248] exit_group(0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12265] <... futex resumed>) = ? [pid 12251] <... futex resumed>) = ? [pid 12248] <... exit_group resumed>) = ? [pid 12265] +++ exited with 0 +++ [pid 12251] +++ exited with 0 +++ [pid 12252] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(AT_FDCWD, "./372/file0", [pid 12255] <... futex resumed>) = 0 [pid 12252] <... futex resumed>) = 1 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./369/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12256] <... fsconfig resumed>) = 0 [pid 12255] fspick(AT_FDCWD, ".", 0 [pid 12252] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12248] +++ exited with 0 +++ [pid 5069] umount2("./372/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12256] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12255] <... fspick resumed>) = 4 [pid 5068] newfstatat(AT_FDCWD, "./369/file0", [pid 12256] <... futex resumed>) = 1 [pid 12255] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12248, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 12253] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12256] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12255] <... futex resumed>) = 1 [pid 12252] <... futex resumed>) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./369/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12255] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12253] exit_group(0 [pid 12252] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./372/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./369/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5068] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [pid 5068] rmdir("./369/file0") = 0 [pid 5068] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] close(3) = 0 [pid 5068] rmdir("./369") = 0 [pid 5068] mkdir("./370", 0777 [pid 12266] <... futex resumed>) = ? [pid 12256] <... futex resumed>) = ? [pid 12255] <... fsconfig resumed>) = 0 [pid 12253] <... exit_group resumed>) = ? [pid 12252] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 12266] +++ exited with 0 +++ [pid 12256] +++ exited with 0 +++ [pid 12255] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12252] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] newfstatat(4, "", [pid 5068] <... mkdir resumed>) = 0 [pid 12252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] umount2("./372", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12252] exit_group(0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12255] <... futex resumed>) = ? [pid 12253] +++ exited with 0 +++ [pid 12252] <... exit_group resumed>) = ? [pid 5070] openat(AT_FDCWD, "./372", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] getdents64(4, [pid 5068] <... openat resumed>) = 3 [pid 12255] +++ exited with 0 +++ [pid 5070] <... openat resumed>) = 3 [pid 5070] newfstatat(3, "", [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(4, [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12253, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5070] getdents64(3, [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] umount2("./373", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] close(4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./372/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] rmdir("./372/file0" [pid 5067] openat(AT_FDCWD, "./373", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] newfstatat(AT_FDCWD, "./372/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5070] unlink("./372/binderfs" [pid 5069] getdents64(3, [pid 5067] newfstatat(3, "", [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] umount2("./372/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] close(3 [pid 5067] getdents64(3, [pid 5069] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12252] +++ exited with 0 +++ [pid 5069] rmdir("./372" [pid 5067] umount2("./373/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12252, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5069] <... rmdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] umount2("./376", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./376", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] newfstatat(3, "", [pid 5067] newfstatat(AT_FDCWD, "./373/binderfs", [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] mkdir("./373", 0777 [pid 5067] unlink("./373/binderfs" [pid 5071] umount2("./376/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... mkdir resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./376/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 363.322370][T12256] NILFS (loop0): mounting fs with errors [ 363.334767][T12255] NILFS (loop4): mounting fs with errors [pid 5071] unlink("./376/binderfs") = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] umount2("./373/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./372/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./372/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] umount2("./372/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./376/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 3 [pid 5067] <... umount2 resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5070] openat(AT_FDCWD, "./372/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./373/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... openat resumed>) = 4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./373/file0", [pid 5070] newfstatat(4, "", [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] umount2("./373/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(4, [pid 5067] openat(AT_FDCWD, "./373/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] <... ioctl resumed>) = 0 [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 5067] rmdir("./373/file0") = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] close(3) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5067] rmdir("./373" [pid 5070] getdents64(4, [pid 5067] <... rmdir resumed>) = 0 [pid 5067] mkdir("./374", 0777) = 0 [pid 5068] close(3) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] umount2("./376/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5070] close(4./strace-static-x86_64: Process 12267 attached [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 12267 [pid 5067] <... openat resumed>) = 3 [pid 12267] set_robust_list(0x555589d386a0, 24 [pid 5071] newfstatat(AT_FDCWD, "./376/file0", [pid 5070] rmdir("./372/file0" [pid 12267] <... set_robust_list resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 12267] chdir("./370" [pid 5067] ioctl(3, LOOP_CLR_FD [pid 12267] <... chdir resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] getdents64(3, [pid 12267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] umount2("./376/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12267] <... prctl resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] close(3 [pid 5069] <... ioctl resumed>) = 0 [pid 12267] setpgid(0, 0 [pid 5071] openat(AT_FDCWD, "./376/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... close resumed>) = 0 [pid 12267] <... setpgid resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5070] rmdir("./372" [pid 5069] close(3 [pid 12267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] newfstatat(4, "", [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 12267] <... openat resumed>) = 3 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] mkdir("./373", 0777 [pid 12267] write(3, "1000", 4 [pid 5071] getdents64(4, [pid 5070] <... mkdir resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12267] <... write resumed>) = 4 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12267] close(3 [pid 5071] getdents64(4, [pid 5070] <... openat resumed>) = 3 ./strace-static-x86_64: Process 12268 attached [pid 5070] ioctl(3, LOOP_CLR_FD [pid 12268] set_robust_list(0x555589d386a0, 24 [pid 12267] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 12267] symlink("/dev/binderfs", "./binderfs" [pid 5071] close(4 [pid 12268] <... set_robust_list resumed>) = 0 [pid 12267] <... symlink resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./376/file0" [pid 12268] chdir("./373" [pid 12267] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... rmdir resumed>) = 0 [pid 12267] <... futex resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 12268 [pid 12267] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5071] getdents64(3, [pid 12267] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12268] <... chdir resumed>) = 0 [pid 12267] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5071] close(3 [pid 12267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] <... close resumed>) = 0 [pid 12267] <... mmap resumed>) = 0x7f43d3147000 [pid 12267] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5071] rmdir("./376" [pid 12267] <... mprotect resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 12268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12267] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12268] <... prctl resumed>) = 0 [pid 12268] setpgid(0, 0) = 0 [pid 12267] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12267] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5071] mkdir("./377", 0777./strace-static-x86_64: Process 12269 attached [pid 12269] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12267] <... clone3 resumed> => {parent_tid=[12269]}, 88) = 12269 [pid 5071] <... mkdir resumed>) = 0 [pid 12269] <... rseq resumed>) = 0 [pid 12267] rt_sigprocmask(SIG_SETMASK, [], [pid 12269] set_robust_list(0x7f43d31679a0, 24 [pid 12267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12269] <... set_robust_list resumed>) = 0 [pid 12267] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12269] rt_sigprocmask(SIG_SETMASK, [], [pid 12268] <... openat resumed>) = 3 [pid 12267] <... futex resumed>) = 0 [pid 12269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12268] write(3, "1000", 4 [pid 12267] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12269] memfd_create("syzkaller", 0 [pid 12268] <... write resumed>) = 4 [pid 5071] <... openat resumed>) = 3 [pid 12269] <... memfd_create resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 12269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12268] close(3 [pid 5067] <... ioctl resumed>) = 0 [pid 12269] <... mmap resumed>) = 0x7f43cac00000 [pid 12268] <... close resumed>) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 5067] close(3 [pid 12268] symlink("/dev/binderfs", "./binderfs" [pid 12269] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12268] <... symlink resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 12268] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] close(3 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12268] <... futex resumed>) = 0 [pid 12268] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, ./strace-static-x86_64: Process 12270 attached NULL, 8) = 0 [pid 12268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 12270 [pid 12268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12270] set_robust_list(0x555589d386a0, 24 [pid 12268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12270] <... set_robust_list resumed>) = 0 [pid 12268] <... mmap resumed>) = 0x7f43d3147000 [pid 5070] <... close resumed>) = 0 [pid 12270] chdir("./374" [pid 12268] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12268] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 12271 attached [pid 12270] <... chdir resumed>) = 0 [pid 12268] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12269] <... write resumed>) = 1048576 [pid 12271] set_robust_list(0x555589d386a0, 24 [pid 12270] <... prctl resumed>) = 0 [pid 12268] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 12271 [pid 12271] <... set_robust_list resumed>) = 0 [pid 12270] setpgid(0, 0 [pid 12268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12271] chdir("./373" [pid 12270] <... setpgid resumed>) = 0 [pid 12269] munmap(0x7f43cac00000, 138412032 [pid 12271] <... chdir resumed>) = 0 [pid 12270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] close(3 [pid 12269] <... munmap resumed>) = 0 [pid 5071] <... close resumed>) = 0 ./strace-static-x86_64: Process 12272 attached [pid 12271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12270] <... openat resumed>) = 3 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12268] <... clone3 resumed> => {parent_tid=[12272]}, 88) = 12272 [pid 12269] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 12273 attached [pid 12272] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12271] <... prctl resumed>) = 0 [pid 12270] write(3, "1000", 4 [pid 12268] rt_sigprocmask(SIG_SETMASK, [], [pid 12273] set_robust_list(0x555589d386a0, 24 [pid 12272] <... rseq resumed>) = 0 [pid 12271] setpgid(0, 0 [pid 12270] <... write resumed>) = 4 [pid 12269] <... openat resumed>) = 4 [pid 12268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 12273 [pid 12273] <... set_robust_list resumed>) = 0 [pid 12272] set_robust_list(0x7f43d31679a0, 24 [pid 12271] <... setpgid resumed>) = 0 [pid 12270] close(3 [pid 12269] ioctl(4, LOOP_SET_FD, 3 [pid 12268] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12273] chdir("./377" [pid 12272] <... set_robust_list resumed>) = 0 [pid 12271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12270] <... close resumed>) = 0 [pid 12272] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12272] memfd_create("syzkaller", 0) = 3 [pid 12272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 12270] symlink("/dev/binderfs", "./binderfs") = 0 [pid 12268] <... futex resumed>) = 0 [pid 12273] <... chdir resumed>) = 0 [pid 12268] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12271] <... openat resumed>) = 3 [pid 12273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12271] write(3, "1000", 4 [pid 12270] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12269] <... ioctl resumed>) = 0 [pid 12273] setpgid(0, 0 [pid 12271] <... write resumed>) = 4 [pid 12270] <... futex resumed>) = 0 [pid 12269] close(3 [pid 12273] <... setpgid resumed>) = 0 [pid 12271] close(3 [pid 12270] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12271] <... close resumed>) = 0 [pid 12273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12271] symlink("/dev/binderfs", "./binderfs" [pid 12270] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12271] <... symlink resumed>) = 0 [pid 12271] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12269] <... close resumed>) = 0 [pid 12270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12269] close(4 [pid 12273] <... openat resumed>) = 3 [pid 12269] <... close resumed>) = 0 [pid 12270] <... mmap resumed>) = 0x7f43d3147000 [pid 12269] mkdir("./file0", 0777 [pid 12271] <... futex resumed>) = 0 [pid 12273] write(3, "1000", 4 [pid 12271] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12270] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12269] <... mkdir resumed>) = 0 [pid 12273] <... write resumed>) = 4 [pid 12271] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12270] <... mprotect resumed>) = 0 [pid 12273] close(3 [pid 12272] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12270] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12269] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12273] <... close resumed>) = 0 [pid 12271] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12270] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12273] symlink("/dev/binderfs", "./binderfs" [pid 12271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 12274 attached [pid 12273] <... symlink resumed>) = 0 [pid 12273] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12274] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12273] <... futex resumed>) = 0 [pid 12271] <... mmap resumed>) = 0x7f43d3147000 [pid 12270] <... clone3 resumed> => {parent_tid=[12274]}, 88) = 12274 [pid 12273] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12271] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12270] rt_sigprocmask(SIG_SETMASK, [], [pid 12273] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12271] <... mprotect resumed>) = 0 [pid 12270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12273] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12270] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12270] <... futex resumed>) = 0 [pid 12273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12271] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12270] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12273] <... mmap resumed>) = 0x7f43d3147000 [pid 12271] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12273] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12273] <... mprotect resumed>) = 0 [pid 12273] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 12275 attached [pid 12275] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12273] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12271] <... clone3 resumed> => {parent_tid=[12275]}, 88) = 12275 [pid 12275] <... rseq resumed>) = 0 [pid 12273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12275] set_robust_list(0x7f43d31679a0, 24 [pid 12271] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 12276 attached [pid 12275] <... set_robust_list resumed>) = 0 [pid 12274] <... rseq resumed>) = 0 [pid 12276] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12275] rt_sigprocmask(SIG_SETMASK, [], [pid 12274] set_robust_list(0x7f43d31679a0, 24 [pid 12271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12276] <... rseq resumed>) = 0 [pid 12275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12274] <... set_robust_list resumed>) = 0 [pid 12273] <... clone3 resumed> => {parent_tid=[12276]}, 88) = 12276 [pid 12271] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12276] set_robust_list(0x7f43d31679a0, 24 [pid 12275] memfd_create("syzkaller", 0 [pid 12274] rt_sigprocmask(SIG_SETMASK, [], [pid 12273] rt_sigprocmask(SIG_SETMASK, [], [pid 12271] <... futex resumed>) = 0 [pid 12276] <... set_robust_list resumed>) = 0 [pid 12275] <... memfd_create resumed>) = 3 [pid 12274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12271] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12276] rt_sigprocmask(SIG_SETMASK, [], [pid 12275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12274] memfd_create("syzkaller", 0 [pid 12273] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12275] <... mmap resumed>) = 0x7f43cac00000 [pid 12274] <... memfd_create resumed>) = 3 [pid 12273] <... futex resumed>) = 0 [pid 12276] memfd_create("syzkaller", 0 [pid 12274] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12273] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12276] <... memfd_create resumed>) = 3 [pid 12274] <... mmap resumed>) = 0x7f43cac00000 [pid 12276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 12275] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [ 363.573409][T12269] loop1: detected capacity change from 0 to 2048 [ 363.600907][T12269] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12274] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12272] <... write resumed>) = 1048576 [pid 12272] munmap(0x7f43cac00000, 138412032 [pid 12276] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12272] <... munmap resumed>) = 0 [pid 12269] <... mount resumed>) = 0 [pid 12269] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12269] chdir("./file0") = 0 [pid 12269] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12269] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12269] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12274] <... write resumed>) = 1048576 [pid 12272] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 12267] <... futex resumed>) = 0 [pid 12275] <... write resumed>) = 1048576 [pid 12274] munmap(0x7f43cac00000, 138412032 [pid 12272] ioctl(4, LOOP_SET_FD, 3 [pid 12267] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12269] <... futex resumed>) = 0 [pid 12267] <... futex resumed>) = 1 [pid 12276] <... write resumed>) = 1048576 [pid 12275] munmap(0x7f43cac00000, 138412032 [pid 12274] <... munmap resumed>) = 0 [ 363.668372][T12277] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 363.697644][T12272] loop2: detected capacity change from 0 to 2048 [pid 12272] <... ioctl resumed>) = 0 [pid 12269] truncate("./file2", 0 [pid 12267] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12276] munmap(0x7f43cac00000, 138412032 [pid 12275] <... munmap resumed>) = 0 [pid 12274] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12272] close(3 [pid 12276] <... munmap resumed>) = 0 [pid 12274] <... openat resumed>) = 4 [pid 12272] <... close resumed>) = 0 [pid 12274] ioctl(4, LOOP_SET_FD, 3 [pid 12272] close(4) = 0 [pid 12275] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 12272] mkdir("./file0", 0777 [pid 12276] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12275] ioctl(4, LOOP_SET_FD, 3 [pid 12272] <... mkdir resumed>) = 0 [pid 12276] <... openat resumed>) = 4 [pid 12276] ioctl(4, LOOP_SET_FD, 3 [pid 12272] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12276] <... ioctl resumed>) = 0 [pid 12274] <... ioctl resumed>) = 0 [pid 12276] close(3) = 0 [pid 12276] close(4) = 0 [pid 12276] mkdir("./file0", 0777) = 0 [pid 12276] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12267] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12267] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12267] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12267] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12267] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12274] close(3 [pid 12267] <... clone3 resumed> => {parent_tid=[12278]}, 88) = 12278 [pid 12267] rt_sigprocmask(SIG_SETMASK, [], [pid 12274] <... close resumed>) = 0 [pid 12267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12267] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12267] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12278 attached [pid 12278] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 12278] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 12278] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12278] fspick(AT_FDCWD, ".", 0 [pid 12274] close(4) = 0 [ 363.710500][T12269] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 363.716637][T12274] loop0: detected capacity change from 0 to 2048 [ 363.728726][T12269] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 363.731079][T12275] loop3: detected capacity change from 0 to 2048 [ 363.740150][T12269] Remounting filesystem read-only [ 363.747224][T12276] loop4: detected capacity change from 0 to 2048 [ 363.751165][T12269] NILFS (loop1): error -5 truncating bmap (ino=16) [pid 12278] <... fspick resumed>) = 4 [pid 12275] <... ioctl resumed>) = 0 [pid 12274] mkdir("./file0", 0777 [pid 12269] <... truncate resumed>) = 0 [pid 12278] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12267] <... futex resumed>) = 0 [pid 12267] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12267] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12278] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12275] close(3 [pid 12274] <... mkdir resumed>) = 0 [pid 12269] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12274] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12269] <... futex resumed>) = 0 [pid 12275] <... close resumed>) = 0 [pid 12269] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12275] close(4) = 0 [pid 12275] mkdir("./file0", 0777) = 0 [ 363.767132][T12272] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 363.779764][T12276] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 363.782057][T12278] NILFS (loop1): mounting fs with errors [ 363.795465][T12279] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 363.803908][T12274] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12275] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12272] <... mount resumed>) = 0 [pid 12272] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12267] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12272] chdir("./file0") = 0 [pid 12272] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12272] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12268] <... futex resumed>) = 0 [pid 12272] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12268] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12268] <... futex resumed>) = 0 [pid 12272] truncate("./file2", 0 [pid 12268] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12278] <... fsconfig resumed>) = 0 [pid 12276] <... mount resumed>) = 0 [pid 12276] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12276] chdir("./file0") = 0 [pid 12276] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12278] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12276] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12267] exit_group(0 [pid 12276] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12278] <... futex resumed>) = ? [pid 12269] <... futex resumed>) = ? [pid 12267] <... exit_group resumed>) = ? [ 363.818245][T12275] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 363.839184][T12280] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 363.850620][T12272] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 12276] <... futex resumed>) = 1 [pid 12269] +++ exited with 0 +++ [pid 12276] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12268] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12268] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12268] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12273] <... futex resumed>) = 0 [pid 12273] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12276] <... futex resumed>) = 0 [ 363.877438][T12272] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 363.890806][T12281] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 363.906112][T12282] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 363.906368][T12276] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 12276] truncate("./file2", 0 [pid 12273] <... futex resumed>) = 1 [pid 12278] +++ exited with 0 +++ [pid 12268] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12267] +++ exited with 0 +++ [pid 12268] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12267, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 12268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5068] umount2("./370", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12268] <... clone3 resumed> => {parent_tid=[12283]}, 88) = 12283 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12268] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] openat(AT_FDCWD, "./370", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... openat resumed>) = 3 [pid 12268] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(3, "", [pid 12268] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12268] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./370/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./370/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] unlink("./370/binderfs"./strace-static-x86_64: Process 12283 attached [pid 12273] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... unlink resumed>) = 0 [pid 12283] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12275] <... mount resumed>) = 0 [pid 5068] umount2("./370/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12283] <... rseq resumed>) = 0 [pid 12275] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12274] <... mount resumed>) = 0 [pid 12283] set_robust_list(0x7f43d31469a0, 24 [pid 12275] <... openat resumed>) = 3 [pid 12274] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12283] <... set_robust_list resumed>) = 0 [pid 12275] chdir("./file0" [pid 12274] <... openat resumed>) = 3 [pid 12272] <... truncate resumed>) = 0 [pid 12283] rt_sigprocmask(SIG_SETMASK, [], [pid 12275] <... chdir resumed>) = 0 [pid 12274] chdir("./file0" [pid 12272] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12275] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12274] <... chdir resumed>) = 0 [pid 12272] <... futex resumed>) = 0 [pid 12283] fspick(AT_FDCWD, ".", 0 [pid 12275] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12274] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12272] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12283] <... fspick resumed>) = 4 [pid 12275] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12274] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12283] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12275] <... futex resumed>) = 1 [pid 12274] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12271] <... futex resumed>) = 0 [pid 12283] <... futex resumed>) = 1 [pid 12275] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12274] <... futex resumed>) = 1 [pid 12271] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12270] <... futex resumed>) = 0 [pid 12268] <... futex resumed>) = 0 [pid 12283] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12274] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12271] <... futex resumed>) = 0 [pid 12270] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12268] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12275] truncate("./file2", 0 [pid 12274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12272] <... futex resumed>) = 0 [pid 12271] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12270] <... futex resumed>) = 0 [pid 12268] <... futex resumed>) = 1 [pid 12276] <... truncate resumed>) = 0 [pid 12276] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12273] <... futex resumed>) = 0 [pid 12276] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 363.932505][T12272] Remounting filesystem read-only [ 363.943623][T12276] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 363.948742][T12272] NILFS (loop2): error -5 truncating bmap (ino=16) [ 363.957456][T12276] Remounting filesystem read-only [ 363.966935][T12276] NILFS (loop4): error -5 truncating bmap (ino=16) [pid 12273] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12273] <... futex resumed>) = 0 [pid 12273] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12276] fspick(AT_FDCWD, ".", 0) = 4 [pid 12274] truncate("./file2", 0 [pid 12272] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12270] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12268] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12276] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12273] <... futex resumed>) = 0 [pid 12276] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12273] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12273] <... futex resumed>) = 0 [pid 12276] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12273] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12276] <... fsconfig resumed>) = 0 [pid 12276] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12272] <... fsconfig resumed>) = 0 [pid 12272] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12276] <... futex resumed>) = 1 [pid 12275] <... truncate resumed>) = 0 [pid 12273] <... futex resumed>) = 0 [pid 12272] <... futex resumed>) = 1 [pid 12268] <... futex resumed>) = 0 [pid 12272] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 363.970042][T12275] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 363.984902][T12275] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 363.988958][T12276] NILFS (loop4): mounting fs with errors [ 363.995980][T12272] NILFS (loop2): mounting fs with errors [ 364.002302][T12275] Remounting filesystem read-only [ 364.010280][T12274] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 364.011417][T12275] NILFS (loop3): error -5 truncating bmap (ino=16) [pid 12268] exit_group(0 [pid 12283] <... futex resumed>) = ? [pid 12272] <... futex resumed>) = ? [pid 12268] <... exit_group resumed>) = ? [pid 12283] +++ exited with 0 +++ [pid 12272] +++ exited with 0 +++ [pid 12271] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12268] +++ exited with 0 +++ [pid 12271] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12268, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 12271] <... futex resumed>) = 0 [pid 12273] exit_group(0 [pid 12271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12275] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12273] <... exit_group resumed>) = ? [pid 12271] <... mmap resumed>) = 0x7f43d3126000 [pid 12270] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] umount2("./373", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12271] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12270] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12271] <... mprotect resumed>) = 0 [pid 12270] <... futex resumed>) = 0 [pid 12271] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] openat(AT_FDCWD, "./373", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12271] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12270] <... mmap resumed>) = 0x7f43d3126000 [pid 5069] <... openat resumed>) = 3 [pid 12271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12270] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 5069] newfstatat(3, "", [pid 12270] <... mprotect resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12271] <... clone3 resumed> => {parent_tid=[12284]}, 88) = 12284 [pid 12270] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] getdents64(3, ./strace-static-x86_64: Process 12284 attached [pid 12275] <... futex resumed>) = 0 [pid 12271] rt_sigprocmask(SIG_SETMASK, [], [pid 12270] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12284] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 5069] umount2("./373/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 12285 attached [pid 12284] <... rseq resumed>) = 0 [pid 12276] +++ exited with 0 +++ [pid 12275] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12274] <... truncate resumed>) = 0 [pid 12273] +++ exited with 0 +++ [pid 12271] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12285] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12284] set_robust_list(0x7f43d31469a0, 24 [pid 12271] <... futex resumed>) = 0 [pid 12270] <... clone3 resumed> => {parent_tid=[12285]}, 88) = 12285 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12273, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5069] newfstatat(AT_FDCWD, "./373/binderfs", [pid 5068] <... umount2 resumed>) = 0 [pid 12285] <... rseq resumed>) = 0 [pid 12284] <... set_robust_list resumed>) = 0 [pid 12274] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12271] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12270] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./370/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12285] set_robust_list(0x7f43d31469a0, 24 [pid 12284] rt_sigprocmask(SIG_SETMASK, [], [pid 12270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12285] <... set_robust_list resumed>) = 0 [pid 5069] unlink("./373/binderfs" [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12285] rt_sigprocmask(SIG_SETMASK, [], [pid 12270] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12274] <... futex resumed>) = 0 [pid 12270] <... futex resumed>) = 0 [pid 12285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12284] fspick(AT_FDCWD, ".", 0 [pid 12274] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] newfstatat(AT_FDCWD, "./370/file0", [pid 12285] fspick(AT_FDCWD, ".", 0 [pid 12270] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12285] <... fspick resumed>) = 4 [pid 12284] <... fspick resumed>) = 4 [pid 5071] umount2("./377", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12285] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12284] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... unlink resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12285] <... futex resumed>) = 1 [pid 12284] <... futex resumed>) = 1 [pid 12271] <... futex resumed>) = 0 [pid 12270] <... futex resumed>) = 0 [pid 5069] umount2("./373/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./370/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12285] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12284] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12271] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12270] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12275] <... futex resumed>) = 0 [pid 12274] <... futex resumed>) = 0 [pid 12271] <... futex resumed>) = 1 [pid 12270] <... futex resumed>) = 1 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./370/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12275] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12274] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12271] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12270] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] openat(AT_FDCWD, "./377", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... openat resumed>) = 4 [pid 5068] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [pid 5068] rmdir("./370/file0") = 0 [pid 5068] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] close(3) = 0 [pid 5068] rmdir("./370") = 0 [pid 12275] <... fsconfig resumed>) = 0 [pid 12274] <... fsconfig resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 12275] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12274] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] newfstatat(3, "", [pid 5068] mkdir("./371", 0777 [pid 12275] <... futex resumed>) = 1 [pid 12274] <... futex resumed>) = 1 [pid 12271] <... futex resumed>) = 0 [pid 12270] <... futex resumed>) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12275] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12274] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] getdents64(3, [pid 5068] <... mkdir resumed>) = 0 [pid 12271] exit_group(0 [pid 12270] exit_group(0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12285] <... futex resumed>) = ? [pid 12284] <... futex resumed>) = ? [pid 12275] <... futex resumed>) = ? [pid 12274] <... futex resumed>) = ? [pid 12271] <... exit_group resumed>) = ? [pid 12270] <... exit_group resumed>) = ? [pid 5071] umount2("./377/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12285] +++ exited with 0 +++ [pid 12284] +++ exited with 0 +++ [pid 12275] +++ exited with 0 +++ [pid 12274] +++ exited with 0 +++ [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12270] +++ exited with 0 +++ [pid 5071] newfstatat(AT_FDCWD, "./377/binderfs", [pid 5068] <... openat resumed>) = 3 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12270, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5071] unlink("./377/binderfs" [pid 5069] umount2("./373/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] ioctl(3, LOOP_CLR_FD [pid 12271] +++ exited with 0 +++ [pid 5071] <... unlink resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12271, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5069] newfstatat(AT_FDCWD, "./373/file0", [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5069] umount2("./373/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] umount2("./377/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "./373/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] umount2("./373", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./374", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./373", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] openat(AT_FDCWD, "./374", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... openat resumed>) = 3 [pid 5069] <... openat resumed>) = 4 [pid 5067] <... openat resumed>) = 3 [pid 5070] newfstatat(3, "", [pid 5069] newfstatat(4, "", [pid 5067] newfstatat(3, "", [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(3, [pid 5069] getdents64(4, [pid 5067] getdents64(3, [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./373/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./374/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(4, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./373/binderfs", [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] newfstatat(AT_FDCWD, "./374/binderfs", [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] close(4 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] unlink("./373/binderfs" [pid 5069] <... close resumed>) = 0 [pid 5067] unlink("./374/binderfs" [pid 5070] <... unlink resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5069] rmdir("./373/file0" [pid 5067] umount2("./374/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./373/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... rmdir resumed>) = 0 [ 364.028815][T12274] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 364.040727][T12274] Remounting filesystem read-only [ 364.045832][T12274] NILFS (loop0): error -5 truncating bmap (ino=16) [ 364.065641][T12275] NILFS (loop3): mounting fs with errors [ 364.072478][T12274] NILFS (loop0): mounting fs with errors [pid 5069] getdents64(3, [pid 5071] <... umount2 resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./373") = 0 [pid 5069] mkdir("./374", 0777 [pid 5067] <... umount2 resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5071] umount2("./377/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 5067] umount2("./374/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./373/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] close(3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./377/file0", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./374/file0", [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] newfstatat(AT_FDCWD, "./373/file0", [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] umount2("./377/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./374/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./373/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./373/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] newfstatat(4, "", [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./377/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] openat(AT_FDCWD, "./374/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] getdents64(4, [pid 5067] <... openat resumed>) = 4 ./strace-static-x86_64: Process 12286 attached [pid 5071] <... openat resumed>) = 4 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5067] newfstatat(4, "", [pid 5071] newfstatat(4, "", [pid 5070] getdents64(4, [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 12286 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] getdents64(4, [pid 5071] getdents64(4, [pid 5070] close(4 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] <... close resumed>) = 0 [pid 5067] getdents64(4, [pid 5071] getdents64(4, [pid 5070] rmdir("./373/file0" [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 12286] set_robust_list(0x555589d386a0, 24 [pid 5070] <... rmdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4 [pid 5071] close(4 [pid 5067] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5067] rmdir("./374/file0" [pid 5071] rmdir("./377/file0" [pid 5070] getdents64(3, [pid 5067] <... rmdir resumed>) = 0 [pid 12286] <... set_robust_list resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 12286] chdir("./371") = 0 [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./373" [pid 12286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5067] getdents64(3, [pid 5071] getdents64(3, [pid 12286] setpgid(0, 0 [pid 5070] mkdir("./374", 0777 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12286] <... setpgid resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 12286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... mkdir resumed>) = 0 [pid 5067] close(3 [pid 5071] close(3 [pid 5067] <... close resumed>) = 0 [pid 12286] <... openat resumed>) = 3 [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./377" [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5067] rmdir("./374" [pid 12286] write(3, "1000", 4 [pid 5071] <... rmdir resumed>) = 0 [pid 12286] <... write resumed>) = 4 [pid 5070] <... openat resumed>) = 3 [pid 5067] <... rmdir resumed>) = 0 [pid 12286] close(3 [pid 5071] mkdir("./378", 0777 [pid 5067] mkdir("./375", 0777 [pid 12286] <... close resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5067] <... mkdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] <... mkdir resumed>) = 0 [pid 12286] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... ioctl resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] <... openat resumed>) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 12286] <... symlink resumed>) = 0 [pid 12286] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... openat resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 12286] <... futex resumed>) = 0 [pid 12286] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 5069] close(3) = 0 [pid 12286] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12286] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12286] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 12287 attached [pid 12286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12287] set_robust_list(0x555589d386a0, 24 [pid 12286] <... mmap resumed>) = 0x7f43d3147000 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 12287 [pid 12287] <... set_robust_list resumed>) = 0 [pid 12286] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12286] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12287] chdir("./374" [pid 12286] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 12287] <... chdir resumed>) = 0 [pid 12286] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 5071] <... ioctl resumed>) = 0 [pid 5070] close(3 [pid 5067] <... ioctl resumed>) = 0 [pid 12287] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 12288 attached [pid 12286] <... clone3 resumed> => {parent_tid=[12288]}, 88) = 12288 [pid 12287] <... prctl resumed>) = 0 [pid 12288] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12287] setpgid(0, 0 [pid 12286] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] <... close resumed>) = 0 [pid 12287] <... setpgid resumed>) = 0 [pid 5071] close(3 [pid 5067] close(3 [pid 12287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12288] <... rseq resumed>) = 0 [pid 12288] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 12288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12288] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12290 attached ./strace-static-x86_64: Process 12291 attached ./strace-static-x86_64: Process 12289 attached [pid 12287] <... openat resumed>) = 3 [pid 12286] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 12290 [pid 12291] set_robust_list(0x555589d386a0, 24 [pid 12289] set_robust_list(0x555589d386a0, 24 [pid 12290] set_robust_list(0x555589d386a0, 24 [pid 12288] <... futex resumed>) = 0 [pid 12287] write(3, "1000", 4 [pid 12286] <... futex resumed>) = 1 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 12289 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 12291 [pid 12291] <... set_robust_list resumed>) = 0 [pid 12289] <... set_robust_list resumed>) = 0 [pid 12290] <... set_robust_list resumed>) = 0 [pid 12288] memfd_create("syzkaller", 0 [pid 12287] <... write resumed>) = 4 [pid 12286] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12288] <... memfd_create resumed>) = 3 [pid 12287] close(3 [pid 12288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12287] <... close resumed>) = 0 [pid 12288] <... mmap resumed>) = 0x7f43cac00000 [pid 12287] symlink("/dev/binderfs", "./binderfs" [pid 12291] chdir("./375") = 0 [pid 12289] chdir("./374" [pid 12290] chdir("./378" [pid 12288] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12287] <... symlink resumed>) = 0 [pid 12291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12289] <... chdir resumed>) = 0 [pid 12290] <... chdir resumed>) = 0 [pid 12287] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12291] <... prctl resumed>) = 0 [pid 12289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12291] setpgid(0, 0 [pid 12287] <... futex resumed>) = 0 [pid 12290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12289] <... prctl resumed>) = 0 [pid 12287] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12291] <... setpgid resumed>) = 0 [pid 12289] setpgid(0, 0 [pid 12290] <... prctl resumed>) = 0 [pid 12287] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12290] setpgid(0, 0 [pid 12287] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12289] <... setpgid resumed>) = 0 [pid 12290] <... setpgid resumed>) = 0 [pid 12287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12287] <... mmap resumed>) = 0x7f43d3147000 [pid 12291] <... openat resumed>) = 3 [pid 12289] <... openat resumed>) = 3 [pid 12288] <... write resumed>) = 1048576 [pid 12291] write(3, "1000", 4 [pid 12289] write(3, "1000", 4 [pid 12290] <... openat resumed>) = 3 [pid 12288] munmap(0x7f43cac00000, 138412032 [pid 12287] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12291] <... write resumed>) = 4 [pid 12289] <... write resumed>) = 4 [pid 12290] write(3, "1000", 4 [pid 12287] <... mprotect resumed>) = 0 [pid 12288] <... munmap resumed>) = 0 [pid 12291] close(3 [pid 12289] close(3 [pid 12290] <... write resumed>) = 4 [pid 12288] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12287] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12288] <... openat resumed>) = 4 [pid 12287] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12291] <... close resumed>) = 0 [pid 12289] <... close resumed>) = 0 [pid 12290] close(3 [pid 12288] ioctl(4, LOOP_SET_FD, 3 [pid 12291] symlink("/dev/binderfs", "./binderfs" [pid 12289] symlink("/dev/binderfs", "./binderfs" [pid 12287] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 12292 attached => {parent_tid=[12292]}, 88) = 12292 [pid 12292] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12287] rt_sigprocmask(SIG_SETMASK, [], [pid 12292] <... rseq resumed>) = 0 [pid 12287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12287] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12292] set_robust_list(0x7f43d31679a0, 24 [pid 12287] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12292] <... set_robust_list resumed>) = 0 [pid 12292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12292] memfd_create("syzkaller", 0 [pid 12290] <... close resumed>) = 0 [pid 12292] <... memfd_create resumed>) = 3 [pid 12291] <... symlink resumed>) = 0 [pid 12289] <... symlink resumed>) = 0 [pid 12290] symlink("/dev/binderfs", "./binderfs" [pid 12291] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12290] <... symlink resumed>) = 0 [pid 12291] <... futex resumed>) = 0 [pid 12292] <... mmap resumed>) = 0x7f43cac00000 [pid 12289] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12291] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12290] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12288] <... ioctl resumed>) = 0 [pid 12291] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12289] <... futex resumed>) = 0 [pid 12290] <... futex resumed>) = 0 [pid 12288] close(3 [pid 12291] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12289] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12290] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12289] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12290] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12288] <... close resumed>) = 0 [pid 12291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12289] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12288] close(4 [pid 12291] <... mmap resumed>) = 0x7f43d3147000 [pid 12289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12292] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12291] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12288] <... close resumed>) = 0 [pid 12290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12291] <... mprotect resumed>) = 0 [pid 12292] <... write resumed>) = 1048576 [pid 12289] <... mmap resumed>) = 0x7f43d3147000 [pid 12290] <... mmap resumed>) = 0x7f43d3147000 [pid 12288] mkdir("./file0", 0777 [pid 12291] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12292] munmap(0x7f43cac00000, 138412032 [pid 12291] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12289] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12290] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12288] <... mkdir resumed>) = 0 [pid 12291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12289] <... mprotect resumed>) = 0 [pid 12290] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 12293 attached [pid 12292] <... munmap resumed>) = 0 [pid 12289] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12290] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12288] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12293] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12291] <... clone3 resumed> => {parent_tid=[12293]}, 88) = 12293 [pid 12289] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12290] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12293] <... rseq resumed>) = 0 [pid 12292] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12291] rt_sigprocmask(SIG_SETMASK, [], [pid 12289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12293] set_robust_list(0x7f43d31679a0, 24 [pid 12292] <... openat resumed>) = 4 [pid 12293] <... set_robust_list resumed>) = 0 [ 364.323210][T12288] loop1: detected capacity change from 0 to 2048 [ 364.361858][T12288] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12293] rt_sigprocmask(SIG_SETMASK, [], [pid 12292] ioctl(4, LOOP_SET_FD, 3 [pid 12293] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 12295 attached [pid 12293] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12295] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12291] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12289] <... clone3 resumed> => {parent_tid=[12294]}, 88) = 12294 [pid 12290] <... clone3 resumed> => {parent_tid=[12295]}, 88) = 12295 [pid 12291] <... futex resumed>) = 0 [pid 12289] rt_sigprocmask(SIG_SETMASK, [], [pid 12290] rt_sigprocmask(SIG_SETMASK, [], [pid 12295] <... rseq resumed>) = 0 [pid 12291] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12289] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12290] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12290] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12295] set_robust_list(0x7f43d31679a0, 24 [pid 12289] <... futex resumed>) = 0 [pid 12295] <... set_robust_list resumed>) = 0 [pid 12289] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12294 attached [pid 12295] rt_sigprocmask(SIG_SETMASK, [], [pid 12293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12295] memfd_create("syzkaller", 0 [pid 12294] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12293] memfd_create("syzkaller", 0 [pid 12295] <... memfd_create resumed>) = 3 [pid 12294] <... rseq resumed>) = 0 [pid 12293] <... memfd_create resumed>) = 3 [pid 12295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12294] set_robust_list(0x7f43d31679a0, 24 [pid 12293] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12295] <... mmap resumed>) = 0x7f43cac00000 [pid 12294] <... set_robust_list resumed>) = 0 [pid 12293] <... mmap resumed>) = 0x7f43cac00000 [pid 12294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12294] memfd_create("syzkaller", 0) = 3 [pid 12294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 12293] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12295] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12292] <... ioctl resumed>) = 0 [ 364.365758][T12292] loop2: detected capacity change from 0 to 2048 [pid 12292] close(3) = 0 [pid 12292] close(4) = 0 [pid 12292] mkdir("./file0", 0777 [pid 12294] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12292] <... mkdir resumed>) = 0 [pid 12292] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12295] <... write resumed>) = 1048576 [pid 12288] <... mount resumed>) = 0 [pid 12288] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12288] chdir("./file0") = 0 [pid 12294] <... write resumed>) = 1048576 [pid 12288] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12294] munmap(0x7f43cac00000, 138412032 [pid 12295] munmap(0x7f43cac00000, 138412032 [pid 12288] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12295] <... munmap resumed>) = 0 [pid 12294] <... munmap resumed>) = 0 [pid 12293] <... write resumed>) = 1048576 [pid 12288] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12295] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12288] <... futex resumed>) = 1 [pid 12286] <... futex resumed>) = 0 [pid 12295] <... openat resumed>) = 4 [pid 12294] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12286] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [ 364.411135][T12296] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 364.433206][T12292] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12295] ioctl(4, LOOP_SET_FD, 3 [pid 12294] <... openat resumed>) = 4 [pid 12286] <... futex resumed>) = 0 [pid 12293] munmap(0x7f43cac00000, 138412032 [pid 12288] truncate("./file2", 0 [pid 12293] <... munmap resumed>) = 0 [pid 12286] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12294] ioctl(4, LOOP_SET_FD, 3 [pid 12293] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12295] <... ioctl resumed>) = 0 [pid 12293] <... openat resumed>) = 4 [pid 12295] close(3) = 0 [pid 12295] close(4) = 0 [ 364.461717][T12295] loop4: detected capacity change from 0 to 2048 [ 364.480308][T12288] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 364.482923][T12294] loop3: detected capacity change from 0 to 2048 [ 364.490858][T12297] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12295] mkdir("./file0", 0777) = 0 [pid 12295] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12293] ioctl(4, LOOP_SET_FD, 3 [pid 12294] <... ioctl resumed>) = 0 [pid 12286] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12294] close(3 [pid 12286] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12294] <... close resumed>) = 0 [pid 12294] close(4 [pid 12292] <... mount resumed>) = 0 [pid 12286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12292] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12294] <... close resumed>) = 0 [pid 12292] <... openat resumed>) = 3 [pid 12286] <... mmap resumed>) = 0x7f43d3126000 [pid 12294] mkdir("./file0", 0777 [pid 12292] chdir("./file0" [pid 12286] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12292] <... chdir resumed>) = 0 [pid 12294] <... mkdir resumed>) = 0 [pid 12292] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12286] <... mprotect resumed>) = 0 [pid 12292] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12294] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12292] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12286] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12292] <... futex resumed>) = 1 [pid 12292] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12287] <... futex resumed>) = 0 [pid 12286] <... rt_sigprocmask resumed>[], 8) = 0 [ 364.491289][T12288] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 364.508834][T12293] loop0: detected capacity change from 0 to 2048 [ 364.525445][T12295] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 364.550358][T12294] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12293] <... ioctl resumed>) = 0 [pid 12287] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12286] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12293] close(3 [pid 12292] <... futex resumed>) = 0 [pid 12287] <... futex resumed>) = 1 [pid 12293] <... close resumed>) = 0 [pid 12292] truncate("./file2", 0 [pid 12286] <... clone3 resumed> => {parent_tid=[12298]}, 88) = 12298 [pid 12293] close(4 [pid 12287] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12286] rt_sigprocmask(SIG_SETMASK, [], [pid 12293] <... close resumed>) = 0 [pid 12286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12293] mkdir("./file0", 0777 [pid 12286] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12293] <... mkdir resumed>) = 0 [pid 12286] <... futex resumed>) = 0 [pid 12286] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12293] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, ""./strace-static-x86_64: Process 12298 attached [ 364.563160][T12288] Remounting filesystem read-only [ 364.578217][T12292] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 364.581314][T12288] NILFS (loop1): error -5 truncating bmap (ino=16) [ 364.601164][T12293] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12298] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12288] <... truncate resumed>) = 0 [pid 12298] <... rseq resumed>) = 0 [pid 12295] <... mount resumed>) = 0 [pid 12298] set_robust_list(0x7f43d31469a0, 24 [pid 12295] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12287] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12298] <... set_robust_list resumed>) = 0 [pid 12298] rt_sigprocmask(SIG_SETMASK, [], [pid 12295] <... openat resumed>) = 3 [pid 12298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12295] chdir("./file0" [pid 12298] fspick(AT_FDCWD, ".", 0 [pid 12287] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12286] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12298] <... fspick resumed>) = 4 [pid 12287] <... futex resumed>) = 0 [pid 12298] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12298] <... futex resumed>) = 0 [pid 12287] <... mmap resumed>) = 0x7f43d3126000 [pid 12286] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12287] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12298] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12286] <... futex resumed>) = 0 [pid 12286] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12288] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12288] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12287] <... mprotect resumed>) = 0 [pid 12287] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12287] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12295] <... chdir resumed>) = 0 [pid 12295] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [ 364.601970][T12299] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 364.613724][T12292] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 364.634955][T12298] NILFS (loop1): mounting fs with errors [ 364.647060][T12292] Remounting filesystem read-only [pid 12295] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12290] <... futex resumed>) = 0 [pid 12290] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12287] <... clone3 resumed> => {parent_tid=[12301]}, 88) = 12301 [pid 12290] <... futex resumed>) = 0 [pid 12287] rt_sigprocmask(SIG_SETMASK, [], [pid 12290] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12287] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12295] truncate("./file2", 0 [pid 12287] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12286] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 364.656778][T12300] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12298] <... fsconfig resumed>) = 0 ./strace-static-x86_64: Process 12301 attached [pid 12294] <... mount resumed>) = 0 [pid 12301] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12294] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12301] <... rseq resumed>) = 0 [pid 12294] <... openat resumed>) = 3 [pid 12301] set_robust_list(0x7f43d31469a0, 24 [pid 12294] chdir("./file0" [pid 12301] <... set_robust_list resumed>) = 0 [pid 12294] <... chdir resumed>) = 0 [pid 12301] rt_sigprocmask(SIG_SETMASK, [], [pid 12298] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12294] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12294] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12286] exit_group(0 [pid 12301] fspick(AT_FDCWD, ".", 0 [pid 12294] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12288] <... futex resumed>) = ? [pid 12286] <... exit_group resumed>) = ? [pid 12301] <... fspick resumed>) = 4 [pid 12294] <... futex resumed>) = 1 [pid 12288] +++ exited with 0 +++ [pid 12301] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12294] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12301] <... futex resumed>) = 1 [pid 12287] <... futex resumed>) = 0 [pid 12301] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12287] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12287] <... futex resumed>) = 0 [pid 12301] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12287] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12298] <... futex resumed>) = ? [pid 12292] <... truncate resumed>) = 0 [pid 12289] <... futex resumed>) = 0 [pid 12290] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12290] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12293] <... mount resumed>) = 0 [pid 12290] <... mmap resumed>) = 0x7f43d3126000 [pid 12293] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12290] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12293] <... openat resumed>) = 3 [pid 12290] <... mprotect resumed>) = 0 [pid 12293] chdir("./file0" [pid 12290] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12293] <... chdir resumed>) = 0 [pid 12290] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12293] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12293] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 12303 attached [pid 12293] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12290] <... clone3 resumed> => {parent_tid=[12303]}, 88) = 12303 [pid 12303] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12293] <... futex resumed>) = 1 [ 364.687689][T12295] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 364.690804][T12292] NILFS (loop2): error -5 truncating bmap (ino=16) [ 364.705659][T12302] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 364.715496][T12301] NILFS (loop2): mounting fs with errors [ 364.718031][T12295] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 12290] rt_sigprocmask(SIG_SETMASK, [], [pid 12303] <... rseq resumed>) = 0 [pid 12298] +++ exited with 0 +++ [pid 12293] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12292] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12291] <... futex resumed>) = 0 [pid 12289] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12286] +++ exited with 0 +++ [pid 12303] set_robust_list(0x7f43d31469a0, 24 [pid 12301] <... fsconfig resumed>) = 0 [pid 12292] <... futex resumed>) = 0 [pid 12291] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12289] <... futex resumed>) = 1 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12286, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 12292] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12291] <... futex resumed>) = 0 [pid 12289] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12291] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12303] <... set_robust_list resumed>) = 0 [pid 12301] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12295] <... truncate resumed>) = 0 [pid 12294] <... futex resumed>) = 0 [pid 12293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12290] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12303] rt_sigprocmask(SIG_SETMASK, [], [pid 12301] <... futex resumed>) = 1 [pid 12295] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12294] truncate("./file2", 0 [pid 12293] truncate("./file2", 0 [pid 12290] <... futex resumed>) = 0 [pid 12287] <... futex resumed>) = 0 [pid 12303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12301] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12295] <... futex resumed>) = 0 [pid 12287] exit_group(0 [pid 5068] umount2("./371", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12303] fspick(AT_FDCWD, ".", 0 [pid 12292] <... futex resumed>) = ? [pid 12290] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12287] <... exit_group resumed>) = ? [pid 12303] <... fspick resumed>) = 4 [pid 12292] +++ exited with 0 +++ [pid 12301] <... futex resumed>) = ? [pid 12295] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./371", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 12303] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [ 364.735794][T12295] Remounting filesystem read-only [ 364.741093][T12295] NILFS (loop4): error -5 truncating bmap (ino=16) [ 364.757805][T12293] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 364.759475][T12294] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 364.769358][T12293] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 5068] newfstatat(3, "", [pid 12303] <... futex resumed>) = 1 [pid 12301] +++ exited with 0 +++ [pid 12289] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12290] <... futex resumed>) = 0 [pid 12287] +++ exited with 0 +++ [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12289] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12289] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12289] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[12304]}, 88) = 12304 [pid 12289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12289] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12289] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12304 attached [pid 12304] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053) = 0 [pid 12304] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 12304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12304] fspick(AT_FDCWD, ".", 0) = 4 [pid 12304] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12303] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12293] <... truncate resumed>) = 0 [pid 12291] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12290] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(3, [pid 12293] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12291] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12293] <... futex resumed>) = 0 [pid 12291] <... futex resumed>) = 0 [pid 12293] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12291] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12291] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[12305]}, 88) = 12305 [pid 12291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12291] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12291] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12304] <... futex resumed>) = 1 [pid 12289] <... futex resumed>) = 0 ./strace-static-x86_64: Process 12305 attached [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12287, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 12304] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12295] <... futex resumed>) = 0 [ 364.781102][T12294] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 364.798366][T12293] Remounting filesystem read-only [ 364.803728][T12293] NILFS (loop0): error -5 truncating bmap (ino=16) [ 364.804160][T12294] Remounting filesystem read-only [ 364.817827][T12294] NILFS (loop3): error -5 truncating bmap (ino=16) [ 364.827781][T12304] NILFS (loop3): mounting fs with errors [pid 12294] <... truncate resumed>) = 0 [pid 12289] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12290] <... futex resumed>) = 1 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12305] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12295] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12305] <... rseq resumed>) = 0 [pid 12304] <... fsconfig resumed>) = 0 [pid 12294] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12289] <... futex resumed>) = 0 [pid 5069] umount2("./374", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./371/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12305] set_robust_list(0x7f43d31469a0, 24 [pid 12304] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12294] <... futex resumed>) = 0 [pid 12289] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12305] <... set_robust_list resumed>) = 0 [pid 12304] <... futex resumed>) = 0 [pid 12294] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5069] openat(AT_FDCWD, "./374", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] newfstatat(AT_FDCWD, "./371/binderfs", [pid 12305] rt_sigprocmask(SIG_SETMASK, [], [pid 12304] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12289] exit_group(0 [pid 5069] <... openat resumed>) = 3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12304] <... futex resumed>) = ? [pid 12294] <... futex resumed>) = ? [pid 12289] <... exit_group resumed>) = ? [pid 12290] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] newfstatat(3, "", [pid 5068] unlink("./371/binderfs" [pid 12305] fspick(AT_FDCWD, ".", 0 [pid 12304] +++ exited with 0 +++ [pid 12295] <... fsconfig resumed>) = 0 [pid 12294] +++ exited with 0 +++ [pid 12305] <... fspick resumed>) = 4 [pid 12295] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... unlink resumed>) = 0 [pid 12305] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12295] <... futex resumed>) = 1 [pid 12290] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] umount2("./371/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12305] <... futex resumed>) = 1 [pid 12295] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12291] <... futex resumed>) = 0 [pid 12290] exit_group(0 [pid 12305] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12303] <... futex resumed>) = ? [pid 12295] <... futex resumed>) = ? [pid 12291] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12290] <... exit_group resumed>) = ? [pid 5069] getdents64(3, [pid 12303] +++ exited with 0 +++ [pid 12295] +++ exited with 0 +++ [pid 12293] <... futex resumed>) = 0 [pid 12291] <... futex resumed>) = 1 [pid 12289] +++ exited with 0 +++ [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12293] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12291] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12290] +++ exited with 0 +++ [pid 5069] umount2("./374/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12290, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12289, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [pid 5070] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5071] umount2("./378", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./378", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] umount2("./374", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(3, "", [pid 5070] openat(AT_FDCWD, "./374", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5071] getdents64(3, [pid 5070] newfstatat(3, "", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12293] <... fsconfig resumed>) = 0 [pid 5071] umount2("./378/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(3, [pid 5069] newfstatat(AT_FDCWD, "./374/binderfs", [pid 12293] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12293] <... futex resumed>) = 1 [pid 12291] <... futex resumed>) = 0 [pid 5071] newfstatat(AT_FDCWD, "./378/binderfs", [pid 5070] umount2("./374/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12293] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12291] exit_group(0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12305] <... futex resumed>) = ? [pid 12293] <... futex resumed>) = ? [pid 12291] <... exit_group resumed>) = ? [pid 5071] unlink("./378/binderfs" [pid 5070] newfstatat(AT_FDCWD, "./374/binderfs", [pid 12293] +++ exited with 0 +++ [pid 5071] <... unlink resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] umount2("./378/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] unlink("./374/binderfs") = 0 [pid 5070] umount2("./374/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] unlink("./374/binderfs" [pid 12305] +++ exited with 0 +++ [pid 12291] +++ exited with 0 +++ [pid 5069] <... unlink resumed>) = 0 [pid 5069] umount2("./374/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12291, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5071] umount2("./378/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./371/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./374/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./374/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./378/file0", [pid 5070] umount2("./374/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./371/file0", [pid 5070] openat(AT_FDCWD, "./374/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] newfstatat(4, "", [pid 5071] umount2("./378/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./375", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] umount2("./374/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./371/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./378/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./375", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] newfstatat(AT_FDCWD, "./374/file0", [pid 5068] openat(AT_FDCWD, "./371/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] getdents64(4, [pid 5071] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5071] getdents64(4, [pid 5070] close(4 [pid 5069] umount2("./374/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(4, "", [pid 5067] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 364.828903][T12295] NILFS (loop4): mounting fs with errors [ 364.850401][T12293] NILFS (loop0): mounting fs with errors [pid 5067] newfstatat(3, "", [pid 5071] close(4 [pid 5070] rmdir("./374/file0" [pid 5069] openat(AT_FDCWD, "./374/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] getdents64(4, [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./378/file0" [pid 5070] <... rmdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] getdents64(3, [pid 5069] <... openat resumed>) = 4 [pid 5068] getdents64(4, [pid 5067] getdents64(3, [pid 5069] newfstatat(4, "", [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] close(4 [pid 5071] getdents64(3, [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... close resumed>) = 0 [pid 5071] close(3 [pid 5070] <... close resumed>) = 0 [pid 5069] getdents64(4, [pid 5068] rmdir("./371/file0" [pid 5067] umount2("./375/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... close resumed>) = 0 [pid 5070] rmdir("./374" [pid 5071] rmdir("./378" [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... rmdir resumed>) = 0 [pid 5070] mkdir("./375", 0777 [pid 5069] getdents64(4, [pid 5067] newfstatat(AT_FDCWD, "./375/binderfs", [pid 5071] mkdir("./379", 0777 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] getdents64(3, [pid 5067] unlink("./375/binderfs" [pid 5071] <... mkdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5067] umount2("./375/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] <... mkdir resumed>) = 0 [pid 5069] close(4 [pid 5068] rmdir("./371" [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./374/file0" [pid 5071] <... openat resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5068] mkdir("./372", 0777 [pid 5067] umount2("./375/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5069] close(3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./374" [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] newfstatat(AT_FDCWD, "./375/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./375/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./375/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... rmdir resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5068] <... openat resumed>) = 3 [pid 5069] mkdir("./375", 0777 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5067] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] getdents64(4, [pid 5069] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5067] close(4) = 0 [pid 5067] rmdir("./375/file0") = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] close(3) = 0 [pid 5067] rmdir("./375") = 0 [pid 5067] mkdir("./376", 0777) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5068] <... ioctl resumed>) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 5070] close(3) = 0 [pid 5071] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12307 attached ./strace-static-x86_64: Process 12306 attached [pid 5069] <... ioctl resumed>) = 0 [pid 5068] close(3 [pid 5070] <... clone resumed>, child_tidptr=0x555589d38690) = 12306 [pid 12307] set_robust_list(0x555589d386a0, 24 [pid 5068] <... close resumed>) = 0 [pid 12306] set_robust_list(0x555589d386a0, 24) = 0 [pid 12307] <... set_robust_list resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12307] chdir("./379" [pid 12306] chdir("./375") = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 12307 [pid 12306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12306] setpgid(0, 0./strace-static-x86_64: Process 12308 attached [pid 12307] <... chdir resumed>) = 0 [pid 12306] <... setpgid resumed>) = 0 [pid 12308] set_robust_list(0x555589d386a0, 24 [pid 12307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] close(3 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 12308 [pid 12308] <... set_robust_list resumed>) = 0 [pid 12307] <... prctl resumed>) = 0 [pid 5067] <... ioctl resumed>) = 0 [pid 12306] <... openat resumed>) = 3 [pid 12307] setpgid(0, 0 [pid 12308] chdir("./372" [pid 12307] <... setpgid resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 12307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12306] write(3, "1000", 4 [pid 12308] <... chdir resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12306] <... write resumed>) = 4 [pid 12306] close(3) = 0 [pid 12306] symlink("/dev/binderfs", "./binderfs" [pid 12308] <... prctl resumed>) = 0 [pid 12306] <... symlink resumed>) = 0 [pid 12308] setpgid(0, 0 [pid 12307] <... openat resumed>) = 3 [pid 12308] <... setpgid resumed>) = 0 [pid 12306] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12306] <... futex resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 12309 [pid 12306] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12308] <... openat resumed>) = 3 [pid 12306] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12306] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 12309 attached [pid 12308] write(3, "1000", 4 [pid 12307] write(3, "1000", 4 [pid 12306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12308] <... write resumed>) = 4 [pid 12309] set_robust_list(0x555589d386a0, 24 [pid 12307] <... write resumed>) = 4 [pid 12306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] close(3 [pid 12308] close(3 [pid 12306] <... mmap resumed>) = 0x7f43d3147000 [pid 12307] close(3 [pid 12309] <... set_robust_list resumed>) = 0 [pid 12308] <... close resumed>) = 0 [pid 12306] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 5067] <... close resumed>) = 0 [pid 12307] <... close resumed>) = 0 [pid 12308] symlink("/dev/binderfs", "./binderfs" [pid 12306] <... mprotect resumed>) = 0 [pid 12308] <... symlink resumed>) = 0 [pid 12307] symlink("/dev/binderfs", "./binderfs" [pid 12306] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12309] chdir("./375" [pid 12308] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12307] <... symlink resumed>) = 0 [pid 12306] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 12310 attached [pid 12310] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 12310] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 12306] <... clone3 resumed> => {parent_tid=[12310]}, 88) = 12310 [pid 12310] rt_sigprocmask(SIG_SETMASK, [], [pid 12308] <... futex resumed>) = 0 ./strace-static-x86_64: Process 12311 attached [pid 12310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12309] <... chdir resumed>) = 0 [pid 12308] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12307] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12306] rt_sigprocmask(SIG_SETMASK, [], [pid 12311] set_robust_list(0x555589d386a0, 24 [pid 12310] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12308] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12307] <... futex resumed>) = 0 [pid 12306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 12311 [pid 12311] <... set_robust_list resumed>) = 0 [pid 12309] <... prctl resumed>) = 0 [pid 12308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12307] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12309] setpgid(0, 0 [pid 12308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12307] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12309] <... setpgid resumed>) = 0 [pid 12311] chdir("./376" [pid 12309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12308] <... mmap resumed>) = 0x7f43d3147000 [pid 12307] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12306] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12308] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12311] <... chdir resumed>) = 0 [pid 12310] <... futex resumed>) = 0 [pid 12309] <... openat resumed>) = 3 [pid 12308] <... mprotect resumed>) = 0 [pid 12307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12306] <... futex resumed>) = 1 [pid 12307] <... mmap resumed>) = 0x7f43d3147000 [pid 12307] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12310] memfd_create("syzkaller", 0 [pid 12309] write(3, "1000", 4 [pid 12308] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12307] <... mprotect resumed>) = 0 [pid 12306] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12311] <... prctl resumed>) = 0 [pid 12310] <... memfd_create resumed>) = 3 [pid 12309] <... write resumed>) = 4 [pid 12307] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12311] setpgid(0, 0 [pid 12309] close(3 [pid 12308] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12307] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12311] <... setpgid resumed>) = 0 [pid 12310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12309] <... close resumed>) = 0 [pid 12308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12310] <... mmap resumed>) = 0x7f43cac00000 [pid 12309] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 12313 attached ./strace-static-x86_64: Process 12312 attached [pid 12311] <... openat resumed>) = 3 [pid 12309] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12308] <... clone3 resumed> => {parent_tid=[12313]}, 88) = 12313 [pid 12307] <... clone3 resumed> => {parent_tid=[12312]}, 88) = 12312 [pid 12313] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12312] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12311] write(3, "1000", 4 [pid 12309] <... futex resumed>) = 0 [pid 12308] rt_sigprocmask(SIG_SETMASK, [], [pid 12307] rt_sigprocmask(SIG_SETMASK, [], [pid 12313] <... rseq resumed>) = 0 [pid 12312] <... rseq resumed>) = 0 [pid 12311] <... write resumed>) = 4 [pid 12310] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12309] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12313] set_robust_list(0x7f43d31679a0, 24 [pid 12312] set_robust_list(0x7f43d31679a0, 24 [pid 12311] close(3 [pid 12309] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12308] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12307] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12313] <... set_robust_list resumed>) = 0 [pid 12312] <... set_robust_list resumed>) = 0 [pid 12311] <... close resumed>) = 0 [pid 12309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12308] <... futex resumed>) = 0 [pid 12307] <... futex resumed>) = 0 [pid 12312] rt_sigprocmask(SIG_SETMASK, [], [pid 12313] rt_sigprocmask(SIG_SETMASK, [], [pid 12311] symlink("/dev/binderfs", "./binderfs" [pid 12309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12308] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12307] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12311] <... symlink resumed>) = 0 [pid 12309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12313] memfd_create("syzkaller", 0 [pid 12312] memfd_create("syzkaller", 0 [pid 12311] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12309] <... mmap resumed>) = 0x7f43d3147000 [pid 12313] <... memfd_create resumed>) = 3 [pid 12312] <... memfd_create resumed>) = 3 [pid 12311] <... futex resumed>) = 0 [pid 12309] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12311] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12313] <... mmap resumed>) = 0x7f43cac00000 [pid 12312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12311] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12309] <... mprotect resumed>) = 0 [pid 12312] <... mmap resumed>) = 0x7f43cac00000 [pid 12311] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12309] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12309] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12310] <... write resumed>) = 1048576 [pid 12311] <... mmap resumed>) = 0x7f43d3147000 [pid 12309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12311] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12310] munmap(0x7f43cac00000, 138412032 [pid 12311] <... mprotect resumed>) = 0 [pid 12311] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 12314 attached [pid 12313] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12312] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12311] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12310] <... munmap resumed>) = 0 [pid 12309] <... clone3 resumed> => {parent_tid=[12314]}, 88) = 12314 [pid 12314] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 12314] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 12309] rt_sigprocmask(SIG_SETMASK, [], [pid 12314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12310] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12309] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12315 attached [pid 12314] memfd_create("syzkaller", 0 [pid 12310] <... openat resumed>) = 4 [pid 12309] <... futex resumed>) = 0 [pid 12310] ioctl(4, LOOP_SET_FD, 3 [pid 12309] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12315] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 12314] <... memfd_create resumed>) = 3 [pid 12315] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 12314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43cac00000 [pid 12315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12313] <... write resumed>) = 1048576 [pid 12311] <... clone3 resumed> => {parent_tid=[12315]}, 88) = 12315 [pid 12310] <... ioctl resumed>) = 0 [pid 12315] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12313] munmap(0x7f43cac00000, 138412032 [pid 12311] rt_sigprocmask(SIG_SETMASK, [], [pid 12310] close(3 [pid 12314] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12312] <... write resumed>) = 1048576 [pid 12311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12310] <... close resumed>) = 0 [pid 12312] munmap(0x7f43cac00000, 138412032 [pid 12311] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12310] close(4 [pid 12315] <... futex resumed>) = 0 [pid 12313] <... munmap resumed>) = 0 [pid 12312] <... munmap resumed>) = 0 [pid 12311] <... futex resumed>) = 1 [pid 12310] <... close resumed>) = 0 [pid 12315] memfd_create("syzkaller", 0 [pid 12313] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12311] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12310] mkdir("./file0", 0777 [pid 12315] <... memfd_create resumed>) = 3 [pid 12313] <... openat resumed>) = 4 [pid 12315] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12312] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12315] <... mmap resumed>) = 0x7f43cac00000 [pid 12312] <... openat resumed>) = 4 [pid 12310] <... mkdir resumed>) = 0 [pid 12315] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12313] ioctl(4, LOOP_SET_FD, 3 [pid 12312] ioctl(4, LOOP_SET_FD, 3 [pid 12310] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12314] <... write resumed>) = 1048576 [ 365.170760][T12310] loop3: detected capacity change from 0 to 2048 [ 365.199692][T12313] loop1: detected capacity change from 0 to 2048 [ 365.199881][T12312] loop4: detected capacity change from 0 to 2048 [pid 12315] <... write resumed>) = 1048576 [pid 12314] munmap(0x7f43cac00000, 138412032 [pid 12313] <... ioctl resumed>) = 0 [pid 12312] <... ioctl resumed>) = 0 [pid 12313] close(3) = 0 [pid 12314] <... munmap resumed>) = 0 [pid 12313] close(4) = 0 [pid 12313] mkdir("./file0", 0777 [pid 12314] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12313] <... mkdir resumed>) = 0 [pid 12314] <... openat resumed>) = 4 [pid 12313] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12315] munmap(0x7f43cac00000, 138412032 [pid 12314] ioctl(4, LOOP_SET_FD, 3 [pid 12312] close(3) = 0 [pid 12315] <... munmap resumed>) = 0 [pid 12312] close(4) = 0 [pid 12315] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12312] mkdir("./file0", 0777 [pid 12315] <... openat resumed>) = 4 [pid 12312] <... mkdir resumed>) = 0 [ 365.225066][T12310] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 365.242986][T12313] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 365.254434][T12314] loop2: detected capacity change from 0 to 2048 [ 365.268154][T12315] loop0: detected capacity change from 0 to 2048 [pid 12315] ioctl(4, LOOP_SET_FD, 3 [pid 12314] <... ioctl resumed>) = 0 [pid 12312] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12315] <... ioctl resumed>) = 0 [pid 12314] close(3 [pid 12315] close(3 [pid 12314] <... close resumed>) = 0 [pid 12314] close(4 [pid 12315] <... close resumed>) = 0 [pid 12314] <... close resumed>) = 0 [pid 12315] close(4) = 0 [pid 12314] mkdir("./file0", 0777 [pid 12315] mkdir("./file0", 0777) = 0 [pid 12310] <... mount resumed>) = 0 [pid 12315] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12314] <... mkdir resumed>) = 0 [pid 12310] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12310] chdir("./file0") = 0 [pid 12310] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12310] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12306] <... futex resumed>) = 0 [pid 12310] truncate("./file2", 0 [ 365.278439][T12316] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 365.292064][T12312] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12306] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12314] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [ 365.319013][T12315] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 365.332920][T12314] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 365.348842][T12310] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 12306] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 12306] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12306] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12315] <... mount resumed>) = 0 [pid 12315] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12306] <... clone3 resumed> => {parent_tid=[12319]}, 88) = 12319 [pid 12315] <... openat resumed>) = 3 [pid 12313] <... mount resumed>) = 0 [pid 12306] rt_sigprocmask(SIG_SETMASK, [], [pid 12315] chdir("./file0"./strace-static-x86_64: Process 12319 attached [ 365.361336][T12317] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 365.368363][T12310] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 365.381917][T12318] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 365.403128][T12321] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds ) = 0 [pid 12314] <... mount resumed>) = 0 [pid 12313] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12312] <... mount resumed>) = 0 [pid 12306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12314] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12313] <... openat resumed>) = 3 [pid 12312] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12306] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12314] <... openat resumed>) = 3 [pid 12313] chdir("./file0" [pid 12312] <... openat resumed>) = 3 [pid 12314] chdir("./file0" [pid 12313] <... chdir resumed>) = 0 [pid 12306] <... futex resumed>) = 0 [pid 12312] chdir("./file0" [pid 12314] <... chdir resumed>) = 0 [pid 12313] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12312] <... chdir resumed>) = 0 [pid 12306] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12314] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12313] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12319] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12315] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12314] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12313] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12312] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12319] <... rseq resumed>) = 0 [pid 12315] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12319] set_robust_list(0x7f43d31469a0, 24) = 0 [pid 12315] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12319] rt_sigprocmask(SIG_SETMASK, [], [pid 12315] <... futex resumed>) = 1 [pid 12311] <... futex resumed>) = 0 [pid 12319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12315] truncate("./file2", 0 [pid 12311] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12319] fspick(AT_FDCWD, ".", 0 [pid 12311] <... futex resumed>) = 0 [pid 12319] <... fspick resumed>) = 4 [pid 12311] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12319] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12319] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12306] <... futex resumed>) = 0 [pid 12313] <... futex resumed>) = 1 [pid 12312] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12306] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12314] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12308] <... futex resumed>) = 0 [pid 12314] <... futex resumed>) = 1 [pid 12313] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12312] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12309] <... futex resumed>) = 0 [pid 12306] <... futex resumed>) = 1 [pid 12314] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12306] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12319] <... futex resumed>) = 0 [pid 12314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12312] <... futex resumed>) = 1 [pid 12309] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12308] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12307] <... futex resumed>) = 0 [ 365.404830][T12320] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 365.431884][T12310] Remounting filesystem read-only [ 365.440955][T12315] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 365.449707][T12310] NILFS (loop3): error -5 truncating bmap (ino=16) [ 365.460335][T12319] NILFS (loop3): mounting fs with errors [pid 12319] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12314] truncate("./file2", 0 [pid 12313] <... futex resumed>) = 0 [pid 12312] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12309] <... futex resumed>) = 0 [pid 12308] <... futex resumed>) = 1 [pid 12307] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12313] truncate("./file2", 0 [pid 12312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12309] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12308] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12307] <... futex resumed>) = 0 [pid 12307] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12312] truncate("./file2", 0 [pid 12310] <... truncate resumed>) = 0 [pid 12307] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12311] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 365.466427][T12314] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 365.469173][T12315] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 365.484041][T12314] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 365.487219][T12312] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 365.495750][T12313] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 12307] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12311] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12307] <... futex resumed>) = 0 [pid 12311] <... futex resumed>) = 0 [pid 12310] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12309] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12308] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12306] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12319] <... fsconfig resumed>) = 0 [pid 12311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12310] <... futex resumed>) = 0 [pid 12309] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12308] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12307] <... mmap resumed>) = 0x7f43d3126000 [pid 12311] <... mmap resumed>) = 0x7f43d3126000 [pid 12310] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12309] <... futex resumed>) = 0 [pid 12308] <... futex resumed>) = 0 [pid 12307] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12319] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12311] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12307] <... mprotect resumed>) = 0 [pid 12319] <... futex resumed>) = 0 [pid 12311] <... mprotect resumed>) = 0 [pid 12309] <... mmap resumed>) = 0x7f43d3126000 [pid 12308] <... mmap resumed>) = 0x7f43d3126000 [pid 12307] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12306] exit_group(0 [pid 12310] <... futex resumed>) = ? [pid 12312] <... truncate resumed>) = 0 [pid 12309] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12308] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12307] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12306] <... exit_group resumed>) = ? [pid 12312] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12311] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12309] <... mprotect resumed>) = 0 [pid 12308] <... mprotect resumed>) = 0 [pid 12307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12319] +++ exited with 0 +++ [pid 12312] <... futex resumed>) = 0 [pid 12312] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12311] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} => {parent_tid=[12322]}, 88) = 12322 ./strace-static-x86_64: Process 12323 attached ./strace-static-x86_64: Process 12322 attached [pid 12314] <... truncate resumed>) = 0 [pid 12310] +++ exited with 0 +++ [pid 12309] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12308] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12306] +++ exited with 0 +++ [pid 12323] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12314] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12311] rt_sigprocmask(SIG_SETMASK, [], [pid 12323] <... rseq resumed>) = 0 [pid 12314] <... futex resumed>) = 0 [pid 12311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12314] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12311] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12323] set_robust_list(0x7f43d31469a0, 24 [pid 12311] <... futex resumed>) = 0 [pid 12323] <... set_robust_list resumed>) = 0 [pid 12323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12311] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12323] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12313] <... truncate resumed>) = 0 [pid 12313] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 365.506319][T12312] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 365.526420][T12312] Remounting filesystem read-only [ 365.531596][T12312] NILFS (loop4): error -5 truncating bmap (ino=16) [ 365.539166][T12313] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [ 365.540975][T12314] Remounting filesystem read-only [ 365.556472][T12314] NILFS (loop2): error -5 truncating bmap (ino=16) [ 365.556676][T12315] Remounting filesystem read-only [pid 12313] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12322] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12309] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12308] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12307] <... clone3 resumed> => {parent_tid=[12323]}, 88) = 12323 [pid 12322] <... rseq resumed>) = 0 [pid 12309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12322] set_robust_list(0x7f43d31469a0, 24 [pid 12307] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12306, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 12322] <... set_robust_list resumed>) = 0 [pid 12307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 12322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12309] <... clone3 resumed> => {parent_tid=[12324]}, 88) = 12324 [pid 12307] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... restart_syscall resumed>) = 0 [pid 12323] <... futex resumed>) = 0 [pid 12322] fspick(AT_FDCWD, ".", 0 [pid 12309] rt_sigprocmask(SIG_SETMASK, [], [pid 12308] <... clone3 resumed> => {parent_tid=[12325]}, 88) = 12325 [pid 12307] <... futex resumed>) = 1 ./strace-static-x86_64: Process 12325 attached ./strace-static-x86_64: Process 12324 attached [pid 12323] fspick(AT_FDCWD, ".", 0 [pid 12322] <... fspick resumed>) = 4 [pid 12315] <... truncate resumed>) = 0 [pid 12309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12308] rt_sigprocmask(SIG_SETMASK, [], [pid 12307] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12325] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12324] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12323] <... fspick resumed>) = 4 [pid 12322] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12309] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12325] <... rseq resumed>) = 0 [pid 12324] <... rseq resumed>) = 0 [pid 12323] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12322] <... futex resumed>) = 1 [pid 12315] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12311] <... futex resumed>) = 0 [pid 12309] <... futex resumed>) = 0 [pid 12308] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] umount2("./375", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12325] set_robust_list(0x7f43d31469a0, 24 [pid 12324] set_robust_list(0x7f43d31469a0, 24 [pid 12323] <... futex resumed>) = 1 [pid 12322] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12315] <... futex resumed>) = 0 [pid 12311] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12309] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12308] <... futex resumed>) = 0 [pid 12307] <... futex resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12325] <... set_robust_list resumed>) = 0 [pid 12324] <... set_robust_list resumed>) = 0 [pid 12323] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12315] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12311] <... futex resumed>) = 0 [pid 12308] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12307] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] openat(AT_FDCWD, "./375", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12325] rt_sigprocmask(SIG_SETMASK, [], [pid 12324] rt_sigprocmask(SIG_SETMASK, [], [pid 12311] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12312] <... futex resumed>) = 0 [pid 12307] <... futex resumed>) = 1 [pid 5070] <... openat resumed>) = 3 [pid 12312] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12307] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12325] fspick(AT_FDCWD, ".", 0) = 4 [pid 12324] fspick(AT_FDCWD, ".", 0 [pid 12325] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12324] <... fspick resumed>) = 4 [pid 12325] <... futex resumed>) = 1 [pid 12324] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12325] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12324] <... futex resumed>) = 1 [pid 12324] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12309] <... futex resumed>) = 0 [pid 12308] <... futex resumed>) = 0 [pid 5070] newfstatat(3, "", [pid 12309] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12308] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 12309] <... futex resumed>) = 1 [pid 12308] <... futex resumed>) = 1 [pid 5070] getdents64(3, [pid 12309] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12308] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12314] <... futex resumed>) = 0 [pid 12313] <... futex resumed>) = 0 [pid 5070] umount2("./375/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12314] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12313] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./375/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] unlink("./375/binderfs") = 0 [ 365.569584][T12313] Remounting filesystem read-only [ 365.569604][T12313] NILFS (loop1): error -5 truncating bmap (ino=16) [ 365.582442][T12315] NILFS (loop0): error -5 truncating bmap (ino=16) [ 365.598640][T12315] NILFS (loop0): mounting fs with errors [ 365.602130][T12312] NILFS (loop4): mounting fs with errors [ 365.611535][T12313] NILFS (loop1): mounting fs with errors [pid 5070] umount2("./375/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12312] <... fsconfig resumed>) = 0 [pid 12315] <... fsconfig resumed>) = 0 [pid 12314] <... fsconfig resumed>) = 0 [pid 12313] <... fsconfig resumed>) = 0 [pid 12314] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12313] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12315] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12314] <... futex resumed>) = 1 [pid 12313] <... futex resumed>) = 1 [pid 12309] <... futex resumed>) = 0 [pid 12308] <... futex resumed>) = 0 [pid 12314] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12313] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12315] <... futex resumed>) = 1 [pid 12309] exit_group(0 [pid 12308] exit_group(0 [pid 12325] <... futex resumed>) = ? [pid 12324] <... futex resumed>) = ? [pid 12309] <... exit_group resumed>) = ? [pid 12308] <... exit_group resumed>) = ? [pid 12325] +++ exited with 0 +++ [pid 12324] +++ exited with 0 +++ [pid 12314] <... futex resumed>) = ? [pid 12313] <... futex resumed>) = ? [pid 12315] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12313] +++ exited with 0 +++ [pid 12314] +++ exited with 0 +++ [pid 12311] <... futex resumed>) = 0 [pid 12312] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12311] exit_group(0 [pid 12309] +++ exited with 0 +++ [pid 5070] <... umount2 resumed>) = 0 [pid 12322] <... futex resumed>) = ? [pid 12315] <... futex resumed>) = ? [pid 12311] <... exit_group resumed>) = ? [pid 12322] +++ exited with 0 +++ [pid 12315] +++ exited with 0 +++ [pid 12312] <... futex resumed>) = 1 [pid 12308] +++ exited with 0 +++ [pid 12307] <... futex resumed>) = 0 [pid 5070] umount2("./375/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12309, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 12307] exit_group(0 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12308, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 12323] <... futex resumed>) = ? [pid 12307] <... exit_group resumed>) = ? [pid 5069] <... restart_syscall resumed>) = 0 [pid 12323] +++ exited with 0 +++ [pid 12311] +++ exited with 0 +++ [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./375/file0", [pid 5069] umount2("./375", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12311, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5070] umount2("./375/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "./375", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "./375/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] newfstatat(3, "", [pid 5070] <... openat resumed>) = 4 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, [pid 5070] newfstatat(4, "", [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./376", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] umount2("./375/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./372", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(4, [pid 5069] newfstatat(AT_FDCWD, "./375/binderfs", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./376", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] openat(AT_FDCWD, "./372", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] unlink("./375/binderfs" [pid 5067] <... openat resumed>) = 3 [pid 5070] getdents64(4, [pid 5069] <... unlink resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] newfstatat(3, "", [pid 5070] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] umount2("./375/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(4 [pid 5068] newfstatat(3, "", [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... close resumed>) = 0 [pid 5067] getdents64(3, [pid 5070] rmdir("./375/file0" [pid 5068] getdents64(3, [pid 5070] <... rmdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12312] +++ exited with 0 +++ [pid 12307] +++ exited with 0 +++ [pid 5068] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12307, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5071] umount2("./379", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./379", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] getdents64(3, [pid 5071] newfstatat(3, "", [pid 5070] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, [pid 5070] close(3 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5070] <... close resumed>) = 0 [ 365.618531][T12314] NILFS (loop2): mounting fs with errors [pid 5070] rmdir("./375" [pid 5071] umount2("./379/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = 0 [pid 5068] umount2("./372/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./376/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... rmdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./372/binderfs", [pid 5067] newfstatat(AT_FDCWD, "./376/binderfs", [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] mkdir("./376", 0777 [pid 5069] umount2("./375/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./376/binderfs" [pid 5071] newfstatat(AT_FDCWD, "./379/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./375/file0", [pid 5068] unlink("./372/binderfs" [pid 5067] <... unlink resumed>) = 0 [pid 5071] unlink("./379/binderfs") = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5067] umount2("./376/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./372/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./379/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] umount2("./375/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] openat(AT_FDCWD, "./375/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5069] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./375/file0" [pid 5071] umount2("./379/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... rmdir resumed>) = 0 [pid 5067] umount2("./376/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5069] close(3 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./376/file0", [pid 5071] newfstatat(AT_FDCWD, "./379/file0", [pid 5069] <... close resumed>) = 0 [pid 5068] umount2("./372/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./376/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./379/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] rmdir("./375" [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... rmdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./376/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] openat(AT_FDCWD, "./379/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] newfstatat(AT_FDCWD, "./372/file0", [pid 5071] <... openat resumed>) = 4 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5071] newfstatat(4, "", [pid 5069] mkdir("./376", 0777 [pid 5068] umount2("./372/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(4, "", [pid 5071] getdents64(4, [pid 5068] openat(AT_FDCWD, "./372/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] <... openat resumed>) = 4 [pid 5067] getdents64(4, [pid 5071] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] newfstatat(4, "", [pid 5069] <... openat resumed>) = 3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5071] close(4 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] getdents64(4, [pid 5071] <... close resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, [pid 5071] rmdir("./379/file0" [pid 5067] getdents64(4, [pid 5071] <... rmdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] <... getdents64 resumed>0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5067] close(4 [pid 5068] close(4 [pid 5067] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] rmdir("./376/file0" [pid 5068] rmdir("./372/file0" [pid 5071] getdents64(3, [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5068] getdents64(3, [pid 5071] close(3 [pid 5068] <... getdents64 resumed>0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5067] close(3) = 0 [pid 5071] <... close resumed>) = 0 [pid 5068] close(3 [pid 5071] rmdir("./379" [pid 5068] <... close resumed>) = 0 [pid 5067] rmdir("./376" [pid 5071] <... rmdir resumed>) = 0 [pid 5068] rmdir("./372" [pid 5071] mkdir("./380", 0777 [pid 5067] <... rmdir resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] mkdir("./377", 0777 [pid 5071] <... mkdir resumed>) = 0 [pid 5068] mkdir("./373", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5071] <... openat resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] <... mkdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5070] <... ioctl resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 5070] close(3) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555589d38690) = 12326 [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12326 attached [pid 12326] set_robust_list(0x555589d386a0, 24) = 0 ./strace-static-x86_64: Process 12327 attached [pid 12326] chdir("./376") = 0 [pid 12327] set_robust_list(0x555589d386a0, 24 [pid 5069] <... clone resumed>, child_tidptr=0x555589d38690) = 12327 [pid 12327] <... set_robust_list resumed>) = 0 [pid 12327] chdir("./376" [pid 12326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12326] setpgid(0, 0) = 0 [pid 12326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12327] <... chdir resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 5067] <... ioctl resumed>) = 0 [pid 12327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12327] setpgid(0, 0 [pid 12326] <... openat resumed>) = 3 [pid 5067] close(3) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12326] write(3, "1000", 4 [pid 5068] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 12328 attached [pid 12327] <... setpgid resumed>) = 0 [pid 12326] <... write resumed>) = 4 [pid 5071] close(3 [pid 5068] close(3 [pid 12327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12326] close(3 [pid 5071] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555589d38690) = 12328 [pid 12326] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12327] <... openat resumed>) = 3 [pid 12326] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 12329 attached [pid 12328] set_robust_list(0x555589d386a0, 24 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12330 attached [pid 12329] set_robust_list(0x555589d386a0, 24 [pid 12328] <... set_robust_list resumed>) = 0 [pid 12327] write(3, "1000", 4 [pid 12326] <... symlink resumed>) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555589d38690) = 12329 [pid 12330] set_robust_list(0x555589d386a0, 24 [pid 12329] <... set_robust_list resumed>) = 0 [pid 12328] chdir("./377" [pid 12327] <... write resumed>) = 4 [pid 12326] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... clone resumed>, child_tidptr=0x555589d38690) = 12330 [pid 12330] <... set_robust_list resumed>) = 0 [pid 12329] chdir("./380" [pid 12328] <... chdir resumed>) = 0 [pid 12327] close(3 [pid 12326] <... futex resumed>) = 0 [pid 12330] chdir("./373" [pid 12329] <... chdir resumed>) = 0 [pid 12328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12327] <... close resumed>) = 0 [pid 12326] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12330] <... chdir resumed>) = 0 [pid 12329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12328] <... prctl resumed>) = 0 [pid 12327] symlink("/dev/binderfs", "./binderfs" [pid 12326] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12329] <... prctl resumed>) = 0 [pid 12328] setpgid(0, 0 [pid 12326] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12329] setpgid(0, 0 [pid 12328] <... setpgid resumed>) = 0 [pid 12327] <... symlink resumed>) = 0 [pid 12326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12329] <... setpgid resumed>) = 0 [pid 12328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12327] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12330] setpgid(0, 0 [pid 12327] <... futex resumed>) = 0 [pid 12326] <... mmap resumed>) = 0x7f43d3147000 [pid 12330] <... setpgid resumed>) = 0 [pid 12329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12327] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12326] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12328] <... openat resumed>) = 3 [pid 12327] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12330] <... openat resumed>) = 3 [pid 12328] write(3, "1000", 4 [pid 12327] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12326] <... mprotect resumed>) = 0 [pid 12330] write(3, "1000", 4 [pid 12328] <... write resumed>) = 4 [pid 12327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12330] <... write resumed>) = 4 [pid 12329] <... openat resumed>) = 3 [pid 12328] close(3 [pid 12327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12330] close(3 [pid 12328] <... close resumed>) = 0 [pid 12327] <... mmap resumed>) = 0x7f43d3147000 [pid 12326] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12329] write(3, "1000", 4 [pid 12330] <... close resumed>) = 0 [pid 12328] symlink("/dev/binderfs", "./binderfs" [pid 12327] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12330] symlink("/dev/binderfs", "./binderfs" [pid 12327] <... mprotect resumed>) = 0 [pid 12330] <... symlink resumed>) = 0 [pid 12329] <... write resumed>) = 4 [pid 12327] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12328] <... symlink resumed>) = 0 [pid 12326] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12329] close(3 [pid 12326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12329] <... close resumed>) = 0 [pid 12330] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12329] symlink("/dev/binderfs", "./binderfs" [pid 12328] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12327] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12330] <... futex resumed>) = 0 [pid 12327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0}./strace-static-x86_64: Process 12331 attached [pid 12330] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12329] <... symlink resumed>) = 0 [pid 12328] <... futex resumed>) = 0 [pid 12326] <... clone3 resumed> => {parent_tid=[12331]}, 88) = 12331 ./strace-static-x86_64: Process 12332 attached [pid 12331] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12330] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12329] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12328] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12326] rt_sigprocmask(SIG_SETMASK, [], [pid 12331] <... rseq resumed>) = 0 [pid 12330] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12328] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12327] <... clone3 resumed> => {parent_tid=[12332]}, 88) = 12332 [pid 12326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12332] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12331] set_robust_list(0x7f43d31679a0, 24 [pid 12330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12329] <... futex resumed>) = 0 [pid 12328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12327] rt_sigprocmask(SIG_SETMASK, [], [pid 12326] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12332] <... rseq resumed>) = 0 [pid 12331] <... set_robust_list resumed>) = 0 [pid 12330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12329] rt_sigaction(SIGRT_1, {sa_handler=0x7f43d31d70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43d31c8250}, [pid 12328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12326] <... futex resumed>) = 0 [pid 12332] set_robust_list(0x7f43d31679a0, 24 [pid 12331] rt_sigprocmask(SIG_SETMASK, [], [pid 12330] <... mmap resumed>) = 0x7f43d3147000 [pid 12329] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12327] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12332] <... set_robust_list resumed>) = 0 [pid 12331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12330] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12328] <... mmap resumed>) = 0x7f43d3147000 [pid 12327] <... futex resumed>) = 0 [pid 12326] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12332] rt_sigprocmask(SIG_SETMASK, [], [pid 12331] memfd_create("syzkaller", 0 [pid 12330] <... mprotect resumed>) = 0 [pid 12329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12328] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12327] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12331] <... memfd_create resumed>) = 3 [pid 12329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12328] <... mprotect resumed>) = 0 [pid 12330] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12332] memfd_create("syzkaller", 0 [pid 12329] <... mmap resumed>) = 0x7f43d3147000 [pid 12330] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12329] mprotect(0x7f43d3148000, 131072, PROT_READ|PROT_WRITE [pid 12330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12328] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12332] <... memfd_create resumed>) = 3 [pid 12331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12329] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 12333 attached [pid 12332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12328] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12333] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12332] <... mmap resumed>) = 0x7f43cac00000 [pid 12331] <... mmap resumed>) = 0x7f43cac00000 [pid 12330] <... clone3 resumed> => {parent_tid=[12333]}, 88) = 12333 [pid 12328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12333] <... rseq resumed>) = 0 [pid 12330] rt_sigprocmask(SIG_SETMASK, [], [pid 12333] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 12330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12333] rt_sigprocmask(SIG_SETMASK, [], [pid 12330] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12330] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12333] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 12334 attached [pid 12333] memfd_create("syzkaller", 0 [pid 12332] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12331] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12329] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12334] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053 [pid 12333] <... memfd_create resumed>) = 3 [pid 12328] <... clone3 resumed> => {parent_tid=[12334]}, 88) = 12334 [pid 12334] <... rseq resumed>) = 0 [pid 12333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12329] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12328] rt_sigprocmask(SIG_SETMASK, [], [pid 12334] set_robust_list(0x7f43d31679a0, 24 [pid 12333] <... mmap resumed>) = 0x7f43cac00000 [pid 12329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3167990, parent_tid=0x7f43d3167990, exit_signal=0, stack=0x7f43d3147000, stack_size=0x20300, tls=0x7f43d31676c0} [pid 12328] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 12335 attached [pid 12334] <... set_robust_list resumed>) = 0 [pid 12333] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12335] rseq(0x7f43d3167fe0, 0x20, 0, 0x53053053) = 0 [pid 12335] set_robust_list(0x7f43d31679a0, 24) = 0 [pid 12335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12335] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12329] <... clone3 resumed> => {parent_tid=[12335]}, 88) = 12335 [pid 12328] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12329] rt_sigprocmask(SIG_SETMASK, [], [pid 12328] <... futex resumed>) = 0 [pid 12329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12328] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12329] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12335] <... futex resumed>) = 0 [pid 12334] memfd_create("syzkaller", 0 [pid 12329] <... futex resumed>) = 1 [pid 12335] memfd_create("syzkaller", 0) = 3 [pid 12329] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12334] <... memfd_create resumed>) = 3 [pid 12335] <... mmap resumed>) = 0x7f43cac00000 [pid 12334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12332] <... write resumed>) = 1048576 [pid 12331] <... write resumed>) = 1048576 [pid 12334] <... mmap resumed>) = 0x7f43cac00000 [pid 12332] munmap(0x7f43cac00000, 138412032) = 0 [pid 12331] munmap(0x7f43cac00000, 138412032 [pid 12335] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12332] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 12332] ioctl(4, LOOP_SET_FD, 3 [pid 12334] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 12333] <... write resumed>) = 1048576 [pid 12331] <... munmap resumed>) = 0 [pid 12332] <... ioctl resumed>) = 0 [pid 12335] <... write resumed>) = 1048576 [pid 12334] <... write resumed>) = 1048576 [pid 12333] munmap(0x7f43cac00000, 138412032 [pid 12331] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12335] munmap(0x7f43cac00000, 138412032 [pid 12334] munmap(0x7f43cac00000, 138412032 [pid 12332] close(3 [pid 12331] <... openat resumed>) = 4 [pid 12332] <... close resumed>) = 0 [pid 12331] ioctl(4, LOOP_SET_FD, 3 [pid 12335] <... munmap resumed>) = 0 [pid 12334] <... munmap resumed>) = 0 [pid 12333] <... munmap resumed>) = 0 [pid 12332] close(4) = 0 [pid 12332] mkdir("./file0", 0777 [pid 12334] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12335] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12333] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12332] <... mkdir resumed>) = 0 [pid 12331] <... ioctl resumed>) = 0 [pid 12334] <... openat resumed>) = 4 [pid 12331] close(3 [pid 12335] <... openat resumed>) = 4 [ 365.951385][T12332] loop2: detected capacity change from 0 to 2048 [ 365.975927][T12331] loop3: detected capacity change from 0 to 2048 [ 365.992414][T12334] loop0: detected capacity change from 0 to 2048 [pid 12334] ioctl(4, LOOP_SET_FD, 3 [pid 12333] <... openat resumed>) = 4 [pid 12332] mount("/dev/loop2", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12335] ioctl(4, LOOP_SET_FD, 3 [pid 12331] <... close resumed>) = 0 [pid 12331] close(4) = 0 [pid 12331] mkdir("./file0", 0777) = 0 [pid 12331] mount("/dev/loop3", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12333] ioctl(4, LOOP_SET_FD, 3 [pid 12334] <... ioctl resumed>) = 0 [pid 12334] close(3) = 0 [pid 12334] close(4) = 0 [pid 12335] <... ioctl resumed>) = 0 [pid 12333] <... ioctl resumed>) = 0 [pid 12332] <... mount resumed>) = 0 [pid 12335] close(3 [pid 12334] mkdir("./file0", 0777 [pid 12333] close(3 [pid 12335] <... close resumed>) = 0 [pid 12334] <... mkdir resumed>) = 0 [pid 12333] <... close resumed>) = 0 [pid 12332] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12335] close(4 [pid 12333] close(4) = 0 [pid 12335] <... close resumed>) = 0 [pid 12333] mkdir("./file0", 0777 [pid 12335] mkdir("./file0", 0777 [pid 12332] <... openat resumed>) = 3 [pid 12334] mount("/dev/loop0", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12335] <... mkdir resumed>) = 0 [pid 12333] <... mkdir resumed>) = 0 [pid 12332] chdir("./file0") = 0 [pid 12333] mount("/dev/loop1", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [ 366.000308][T12335] loop4: detected capacity change from 0 to 2048 [ 366.010337][T12333] loop1: detected capacity change from 0 to 2048 [ 366.017129][T12332] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 366.017285][T12331] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 366.037254][T12336] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12332] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12335] mount("/dev/loop4", "./file0", "nilfs2", MS_NODEV|MS_NOEXEC|MS_NODIRATIME|MS_POSIXACL, "" [pid 12332] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12331] <... mount resumed>) = 0 [ 366.069512][T12334] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 366.071177][T12333] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 366.079770][T12337] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 366.100485][T12338] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 12331] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12333] <... mount resumed>) = 0 [pid 12332] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12331] <... openat resumed>) = 3 [pid 12331] chdir("./file0" [pid 12332] <... futex resumed>) = 1 [pid 12333] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12332] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12331] <... chdir resumed>) = 0 [pid 12327] <... futex resumed>) = 0 [pid 12333] <... openat resumed>) = 3 [ 366.115206][T12335] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 12331] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12327] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12334] <... mount resumed>) = 0 [pid 12333] chdir("./file0" [pid 12332] <... futex resumed>) = 0 [pid 12331] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12327] <... futex resumed>) = 1 [pid 12333] <... chdir resumed>) = 0 [pid 12332] truncate("./file2", 0 [pid 12331] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12327] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12334] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 12333] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12331] <... futex resumed>) = 1 [pid 12334] chdir("./file0" [pid 12333] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 12331] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12334] <... chdir resumed>) = 0 [pid 12333] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12334] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12333] <... futex resumed>) = 1 [pid 12330] <... futex resumed>) = 0 [pid 12334] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 366.145344][T12340] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 366.147421][T12339] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 366.159942][T12332] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [pid 12333] truncate("./file2", 0 [pid 12330] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12334] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12326] <... futex resumed>) = 0 [pid 12330] <... futex resumed>) = 0 [pid 12335] <... mount resumed>) = 0 [pid 12334] <... futex resumed>) = 1 [pid 12330] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12328] <... futex resumed>) = 0 [pid 12326] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12335] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 12334] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12335] <... openat resumed>) = 3 [pid 12331] <... futex resumed>) = 0 [pid 12326] <... futex resumed>) = 1 [pid 12328] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12334] <... futex resumed>) = 0 [pid 12335] chdir("./file0" [pid 12334] truncate("./file2", 0 [pid 12331] truncate("./file2", 0 [pid 12328] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12326] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12335] <... chdir resumed>) = 0 [pid 12335] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 12335] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12327] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12335] <... futex resumed>) = 1 [pid 12327] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12335] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12327] <... futex resumed>) = 0 [pid 12327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12327] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12327] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12329] <... futex resumed>) = 0 [pid 12329] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0}./strace-static-x86_64: Process 12341 attached [pid 12335] <... futex resumed>) = 0 [pid 12329] <... futex resumed>) = 1 [pid 12335] truncate("./file2", 0 [ 366.186244][T12333] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 366.201812][T12331] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 366.201950][T12334] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 366.214156][T12333] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 12329] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12341] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12327] <... clone3 resumed> => {parent_tid=[12341]}, 88) = 12341 [pid 12326] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12341] <... rseq resumed>) = 0 [pid 12330] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12328] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12327] rt_sigprocmask(SIG_SETMASK, [], [pid 12326] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12330] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12328] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12341] set_robust_list(0x7f43d31469a0, 24 [pid 12330] <... futex resumed>) = 0 [pid 12328] <... mmap resumed>) = 0x7f43d3126000 [pid 12327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12326] <... futex resumed>) = 0 [pid 12326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43d3126000 [pid 12326] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12326] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12341] <... set_robust_list resumed>) = 0 [pid 12327] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12328] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12341] rt_sigprocmask(SIG_SETMASK, [], [pid 12330] <... mmap resumed>) = 0x7f43d3126000 [pid 12328] <... mprotect resumed>) = 0 [pid 12327] <... futex resumed>) = 0 [pid 12341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12327] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12326] <... clone3 resumed> => {parent_tid=[12342]}, 88) = 12342 [pid 12328] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12330] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12341] fspick(AT_FDCWD, ".", 0 [pid 12328] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12326] rt_sigprocmask(SIG_SETMASK, [], [pid 12330] <... mprotect resumed>) = 0 [pid 12341] <... fspick resumed>) = 4 [pid 12328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12326] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 12343 attached [pid 12341] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12330] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12326] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12341] <... futex resumed>) = 1 [pid 12327] <... futex resumed>) = 0 [pid 12326] <... futex resumed>) = 0 [pid 12341] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12327] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12326] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12341] <... futex resumed>) = 0 [pid 12327] <... futex resumed>) = 1 [pid 12341] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [ 366.244411][T12332] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16) [ 366.244804][T12335] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157 [ 366.255541][T12331] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16) [ 366.284914][T12334] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [pid 12327] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12342 attached [pid 12343] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12332] <... truncate resumed>) = 0 [pid 12331] <... truncate resumed>) = 0 [pid 12330] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12329] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12328] <... clone3 resumed> => {parent_tid=[12343]}, 88) = 12343 [ 366.293871][T12335] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16) [ 366.303881][T12332] Remounting filesystem read-only [ 366.303951][T12331] Remounting filesystem read-only [ 366.308925][T12332] NILFS (loop2): error -5 truncating bmap (ino=16) [ 366.314232][T12333] Remounting filesystem read-only [ 366.324217][T12331] NILFS (loop3): error -5 truncating bmap (ino=16) [ 366.327343][ T2425] NILFS (loop2): discard dirty page: offset=4096, ino=6 [pid 12342] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12332] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12331] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12326] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12343] <... rseq resumed>) = 0 [pid 12342] <... rseq resumed>) = 0 [pid 12333] <... truncate resumed>) = 0 [pid 12330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12329] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12328] rt_sigprocmask(SIG_SETMASK, [], [pid 12327] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12342] set_robust_list(0x7f43d31469a0, 24 [pid 12326] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12342] <... set_robust_list resumed>) = 0 [pid 12326] <... futex resumed>) = 0 [pid 12342] rt_sigprocmask(SIG_SETMASK, [], [pid 12326] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12342] fspick(AT_FDCWD, ".", 0) = 4 [pid 12342] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12343] set_robust_list(0x7f43d31469a0, 24 [pid 12342] <... futex resumed>) = 0 [pid 12329] <... futex resumed>) = 0 [pid 12328] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 12344 attached [pid 12343] <... set_robust_list resumed>) = 0 [pid 12342] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12333] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12328] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12332] <... futex resumed>) = 0 [pid 12331] <... futex resumed>) = 1 [pid 12328] <... futex resumed>) = 0 [pid 12329] <... mmap resumed>) = 0x7f43d3126000 [pid 12326] <... futex resumed>) = 0 [pid 12330] <... clone3 resumed> => {parent_tid=[12344]}, 88) = 12344 [pid 12344] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12332] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 366.341449][T12333] NILFS (loop1): error -5 truncating bmap (ino=16) [ 366.341906][T12334] Remounting filesystem read-only [ 366.348215][ T2425] NILFS (loop2): discard dirty block: blocknr=39, size=1024 [ 366.360817][ T2425] NILFS (loop2): discard dirty block: blocknr=18446744073709551615, size=1024 [ 366.361661][T12335] Remounting filesystem read-only [ 366.370153][ T2425] NILFS (loop2): discard dirty block: blocknr=18446744073709551615, size=1024 [ 366.385076][ T2425] NILFS (loop2): discard dirty block: blocknr=18446744073709551615, size=1024 [pid 12326] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=36000000} [pid 12343] rt_sigprocmask(SIG_SETMASK, [], [pid 12333] <... futex resumed>) = 0 [pid 12331] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12344] <... rseq resumed>) = 0 [pid 12343] fspick(AT_FDCWD, ".", 0 [pid 12341] <... fsconfig resumed>) = 0 [pid 12333] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12330] rt_sigprocmask(SIG_SETMASK, [], [pid 12329] mprotect(0x7f43d3127000, 131072, PROT_READ|PROT_WRITE [pid 12328] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12344] set_robust_list(0x7f43d31469a0, 24 [pid 12343] <... fspick resumed>) = 4 [pid 12341] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12334] <... truncate resumed>) = 0 [pid 12331] <... fsconfig resumed>) = 0 [pid 12330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12329] <... mprotect resumed>) = 0 [pid 12344] <... set_robust_list resumed>) = 0 [pid 12341] <... futex resumed>) = 0 [pid 12334] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12331] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12330] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12329] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12344] rt_sigprocmask(SIG_SETMASK, [], [pid 12341] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12334] <... futex resumed>) = 0 [pid 12331] <... futex resumed>) = 1 [pid 12330] <... futex resumed>) = 0 [pid 12329] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12334] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12331] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12330] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43d3146990, parent_tid=0x7f43d3146990, exit_signal=0, stack=0x7f43d3126000, stack_size=0x20300, tls=0x7f43d31466c0} [pid 12344] fspick(AT_FDCWD, ".", 0./strace-static-x86_64: Process 12345 attached ) = 4 [pid 12343] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12329] <... clone3 resumed> => {parent_tid=[12345]}, 88) = 12345 [pid 12326] <... futex resumed>) = 0 [pid 12345] rseq(0x7f43d3146fe0, 0x20, 0, 0x53053053 [pid 12344] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12343] <... futex resumed>) = 1 [pid 12335] <... truncate resumed>) = 0 [pid 12329] rt_sigprocmask(SIG_SETMASK, [], [pid 12328] <... futex resumed>) = 0 [pid 12327] exit_group(0 [pid 12326] exit_group(0 [pid 12345] <... rseq resumed>) = 0 [pid 12344] <... futex resumed>) = 1 [pid 12343] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12342] <... futex resumed>) = ? [pid 12341] <... futex resumed>) = ? [pid 12335] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12332] <... futex resumed>) = ? [pid 12331] <... futex resumed>) = ? [pid 12330] <... futex resumed>) = 0 [pid 12329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12328] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12327] <... exit_group resumed>) = ? [pid 12326] <... exit_group resumed>) = ? [pid 12345] set_robust_list(0x7f43d31469a0, 24 [pid 12344] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12342] +++ exited with 0 +++ [pid 12341] +++ exited with 0 +++ [pid 12335] <... futex resumed>) = 0 [pid 12334] <... futex resumed>) = 0 [pid 12332] +++ exited with 0 +++ [pid 12331] +++ exited with 0 +++ [pid 12330] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12329] futex(0x7f43d32396d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 12328] <... futex resumed>) = 1 [pid 12327] +++ exited with 0 +++ [pid 12326] +++ exited with 0 +++ [pid 12345] <... set_robust_list resumed>) = 0 [pid 12335] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12334] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12333] <... futex resumed>) = 0 [pid 12330] <... futex resumed>) = 1 [pid 12329] <... futex resumed>) = 0 [pid 12328] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12345] rt_sigprocmask(SIG_SETMASK, [], [pid 12330] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12329] futex(0x7f43d32396dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12327, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12326, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5070] umount2("./376", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... restart_syscall resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./376", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] umount2("./376", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] newfstatat(3, "", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] openat(AT_FDCWD, "./376", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12333] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5070] getdents64(3, [pid 12345] fspick(AT_FDCWD, ".", 0 [pid 5070] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5069] <... openat resumed>) = 3 [pid 5070] umount2("./376/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(3, "", [pid 5070] newfstatat(AT_FDCWD, "./376/binderfs", [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] getdents64(3, [pid 5070] unlink("./376/binderfs") = 0 [pid 5069] <... getdents64 resumed>0x555589d39730 /* 4 entries */, 32768) = 112 [pid 12345] <... fspick resumed>) = 4 [pid 12345] futex(0x7f43d32396dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12329] <... futex resumed>) = 0 [pid 12345] futex(0x7f43d32396d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12334] <... fsconfig resumed>) = 0 [pid 12333] <... fsconfig resumed>) = 0 [pid 12329] futex(0x7f43d32396c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./376/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12335] <... futex resumed>) = 0 [pid 12334] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12333] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 12329] <... futex resumed>) = 1 [pid 5070] umount2("./376/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 366.394609][T12341] NILFS (loop2): mounting fs with errors [ 366.398136][T12331] NILFS (loop3): mounting fs with errors [ 366.407287][T12334] NILFS (loop0): error -5 truncating bmap (ino=16) [ 366.410876][T12335] NILFS (loop4): error -5 truncating bmap (ino=16) [ 366.432284][T12334] NILFS (loop0): mounting fs with errors [ 366.440635][T12333] NILFS (loop1): mounting fs with errors [pid 12335] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 12334] <... futex resumed>) = 1 [pid 12333] <... futex resumed>) = 1 [pid 12330] <... futex resumed>) = 0 [pid 12329] futex(0x7f43d32396cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12328] <... futex resumed>) = 0 [pid 12334] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12333] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12328] exit_group(0 [pid 12343] <... futex resumed>) = ? [pid 12334] <... futex resumed>) = ? [pid 12328] <... exit_group resumed>) = ? [pid 12343] +++ exited with 0 +++ [pid 12334] +++ exited with 0 +++ [pid 12330] exit_group(0 [pid 12328] +++ exited with 0 +++ [pid 12330] <... exit_group resumed>) = ? [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12328, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 12333] <... futex resumed>) = ? [pid 12344] <... futex resumed>) = ? [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 12335] <... fsconfig resumed>) = 0 [pid 12333] +++ exited with 0 +++ [pid 5069] newfstatat(AT_FDCWD, "./376/binderfs", [pid 5067] <... restart_syscall resumed>) = 0 [pid 12335] futex(0x7f43d32396cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 12335] <... futex resumed>) = 1 [pid 12329] <... futex resumed>) = 0 [pid 5069] unlink("./376/binderfs" [pid 5067] umount2("./377", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12344] +++ exited with 0 +++ [pid 12335] futex(0x7f43d32396c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12330] +++ exited with 0 +++ [pid 12329] exit_group(0 [pid 5069] <... unlink resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 12345] <... futex resumed>) = ? [pid 12335] <... futex resumed>) = ? [pid 12329] <... exit_group resumed>) = ? [pid 5069] umount2("./376/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] openat(AT_FDCWD, "./377", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 12345] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12330, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5067] <... openat resumed>) = 3 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5067] newfstatat(3, "", [pid 5068] <... restart_syscall resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./373", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./377/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 12335] +++ exited with 0 +++ [pid 12329] +++ exited with 0 +++ [pid 5070] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12329, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5068] openat(AT_FDCWD, "./373", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./373/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./373/binderfs", [pid 5071] umount2("./380", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] unlink("./373/binderfs" [pid 5071] openat(AT_FDCWD, "./380", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... unlink resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5068] umount2("./373/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, 0x555589d39730 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./380/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./376/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./380/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./380/binderfs") = 0 [pid 5071] umount2("./380/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] newfstatat(AT_FDCWD, "./377/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./377/binderfs") = 0 [pid 5067] umount2("./377/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 366.450708][T12335] NILFS (loop4): mounting fs with errors [ 366.469908][T12336] ------------[ cut here ]------------ [ 366.475917][T12336] WARNING: CPU: 0 PID: 12336 at fs/buffer.c:1176 mark_buffer_dirty+0x2d5/0x500 [ 366.485146][T12336] Modules linked in: [ 366.489569][T12336] CPU: 0 PID: 12336 Comm: segctord Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [pid 5070] newfstatat(AT_FDCWD, "./376/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] umount2("./376/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 366.499631][T12336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 366.509819][T12336] RIP: 0010:mark_buffer_dirty+0x2d5/0x500 [ 366.516329][T12336] Code: 89 df e8 fe 6d dd ff 48 8b 3b be 04 00 00 00 5b 41 5e 41 5f 5d e9 ab 0d fc ff e8 e6 6c 7d ff e9 73 ff ff ff e8 dc 6c 7d ff 90 <0f> 0b 90 e9 71 fd ff ff e8 ce 6c 7d ff 90 0f 0b 90 e9 98 fd ff ff [ 366.536168][T12336] RSP: 0018:ffffc90009fbf6b8 EFLAGS: 00010293 [ 366.542420][T12336] RAX: ffffffff82178774 RBX: ffff88801cbc9301 RCX: ffff888017f73c00 [pid 5070] openat(AT_FDCWD, "./376/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(4, 0x555589d41770 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555589d41770 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./376/file0") = 0 [pid 5070] getdents64(3, 0x555589d39730 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./376") = 0 [ 366.550779][T12336] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 366.558804][T12336] RBP: 0000000000000000 R08: ffffffff821784e1 R09: 1ffff1100f62a4e8 [ 366.567044][T12336] R10: dffffc0000000000 R11: ffffed100f62a4e9 R12: 1ffff1100f62b9c3 [ 366.575308][T12336] R13: 1ffff1100f62b9c5 R14: ffff88807b152740 R15: ffff88807b15ce18 [ 366.585098][T12336] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 366.595133][T12336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [pid 5070] mkdir("./377", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [ 366.602357][T12336] CR2: 00007fffc0a33ea8 CR3: 0000000022462000 CR4: 00000000003506f0 [ 366.610466][T12336] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 366.619055][T12336] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 366.627505][T12336] Call Trace: [ 366.630958][T12336] [ 366.634191][T12336] ? __warn+0x163/0x4b0 [ 366.638368][T12336] ? mark_buffer_dirty+0x2d5/0x500 [ 366.643605][T12336] ? report_bug+0x2b3/0x500 [ 366.648180][T12336] ? mark_buffer_dirty+0x2d5/0x500 [ 366.653573][T12336] ? handle_bug+0x3e/0x70 [ 366.657962][T12336] ? exc_invalid_op+0x1a/0x50 [ 366.662742][T12336] ? asm_exc_invalid_op+0x1a/0x20 [ 366.667877][T12336] ? mark_buffer_dirty+0x41/0x500 [ 366.673140][T12336] ? mark_buffer_dirty+0x2d4/0x500 [ 366.678401][T12336] ? mark_buffer_dirty+0x2d5/0x500 [ 366.684002][T12336] ? mark_buffer_dirty+0x2d4/0x500 [ 366.689168][T12336] nilfs_segctor_do_construct+0x337/0x71f0 [ 366.695092][T12336] ? __pfx_validate_chain+0x10/0x10 [ 366.700403][T12336] ? debug_object_deactivate+0x2d5/0x390 [ 366.706197][T12336] ? do_raw_spin_lock+0x14f/0x370 [ 366.711363][T12336] ? __pfx_lock_release+0x10/0x10 [ 366.716599][T12336] ? do_raw_spin_unlock+0x13c/0x8b0 [ 366.721895][T12336] ? mark_lock+0x9a/0x350 [ 366.726310][T12336] ? __lock_acquire+0x1346/0x1fd0 [ 366.731933][T12336] ? mark_lock+0x9a/0x350 [ 366.736408][T12336] ? __lock_acquire+0x1346/0x1fd0 [ 366.741515][T12336] ? __pfx_nilfs_segctor_do_construct+0x10/0x10 [ 366.747908][T12336] ? nilfs_segctor_confirm+0x24d/0x2d0 [ 366.753478][T12336] ? do_raw_spin_lock+0x14f/0x370 [ 366.758541][T12336] ? __pfx_lock_release+0x10/0x10 [ 366.763852][T12336] ? do_raw_spin_unlock+0x13c/0x8b0 [ 366.769100][T12336] ? _raw_spin_unlock+0x28/0x50 [ 366.774040][T12336] ? nilfs_segctor_confirm+0x24d/0x2d0 [ 366.779607][T12336] nilfs_segctor_construct+0x14d/0x930 [ 366.785090][T12336] ? trace_nilfs2_transaction_transition+0x9a/0x200 [ 366.791980][T12336] nilfs_segctor_thread+0x540/0x1150 [ 366.797442][T12336] ? __pfx_nilfs_segctor_thread+0x10/0x10 [ 366.803259][T12336] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 366.809206][T12336] ? __pfx_autoremove_wake_function+0x10/0x10 [ 366.815671][T12336] ? __kthread_parkme+0x169/0x1d0 [ 366.820920][T12336] ? __pfx_nilfs_segctor_thread+0x10/0x10 [ 366.826693][T12336] kthread+0x2f0/0x390 [ 366.830853][T12336] ? __pfx_nilfs_segctor_thread+0x10/0x10 [ 366.836724][T12336] ? __pfx_kthread+0x10/0x10 [ 366.841471][T12336] ret_from_fork+0x4b/0x80 [ 366.845936][T12336] ? __pfx_kthread+0x10/0x10 [ 366.850608][T12336] ret_from_fork_asm+0x1a/0x30 [ 366.855741][T12336] [ 366.858953][T12336] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 366.866781][T12336] CPU: 0 PID: 12336 Comm: segctord Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 366.876538][T12336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 366.886736][T12336] Call Trace: [ 366.890027][T12336] [ 366.893145][T12336] dump_stack_lvl+0x241/0x360 [ 366.898016][T12336] ? __pfx_dump_stack_lvl+0x10/0x10 [ 366.903305][T12336] ? __pfx__printk+0x10/0x10 [ 366.907906][T12336] ? _printk+0xd5/0x120 [ 366.912084][T12336] ? vscnprintf+0x5d/0x90 [ 366.916474][T12336] panic+0x349/0x860 [ 366.920449][T12336] ? __warn+0x172/0x4b0 [ 366.924614][T12336] ? __pfx_panic+0x10/0x10 [ 366.929223][T12336] ? show_trace_log_lvl+0x4e6/0x520 [ 366.934484][T12336] ? ret_from_fork_asm+0x1a/0x30 [ 366.939526][T12336] __warn+0x31e/0x4b0 [ 366.943620][T12336] ? mark_buffer_dirty+0x2d5/0x500 [ 366.948917][T12336] report_bug+0x2b3/0x500 [ 366.953258][T12336] ? mark_buffer_dirty+0x2d5/0x500 [ 366.958561][T12336] handle_bug+0x3e/0x70 [ 366.962736][T12336] exc_invalid_op+0x1a/0x50 [ 366.967284][T12336] asm_exc_invalid_op+0x1a/0x20 [ 366.972237][T12336] RIP: 0010:mark_buffer_dirty+0x2d5/0x500 [ 366.978182][T12336] Code: 89 df e8 fe 6d dd ff 48 8b 3b be 04 00 00 00 5b 41 5e 41 5f 5d e9 ab 0d fc ff e8 e6 6c 7d ff e9 73 ff ff ff e8 dc 6c 7d ff 90 <0f> 0b 90 e9 71 fd ff ff e8 ce 6c 7d ff 90 0f 0b 90 e9 98 fd ff ff [ 366.997905][T12336] RSP: 0018:ffffc90009fbf6b8 EFLAGS: 00010293 [ 367.004167][T12336] RAX: ffffffff82178774 RBX: ffff88801cbc9301 RCX: ffff888017f73c00 [ 367.012338][T12336] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 367.020492][T12336] RBP: 0000000000000000 R08: ffffffff821784e1 R09: 1ffff1100f62a4e8 [ 367.028608][T12336] R10: dffffc0000000000 R11: ffffed100f62a4e9 R12: 1ffff1100f62b9c3 [ 367.037215][T12336] R13: 1ffff1100f62b9c5 R14: ffff88807b152740 R15: ffff88807b15ce18 [ 367.045210][T12336] ? mark_buffer_dirty+0x41/0x500 [ 367.050345][T12336] ? mark_buffer_dirty+0x2d4/0x500 [ 367.055602][T12336] ? mark_buffer_dirty+0x2d4/0x500 [ 367.061042][T12336] nilfs_segctor_do_construct+0x337/0x71f0 [ 367.066921][T12336] ? __pfx_validate_chain+0x10/0x10 [ 367.072181][T12336] ? debug_object_deactivate+0x2d5/0x390 [ 367.078444][T12336] ? do_raw_spin_lock+0x14f/0x370 [ 367.083668][T12336] ? __pfx_lock_release+0x10/0x10 [ 367.088718][T12336] ? do_raw_spin_unlock+0x13c/0x8b0 [ 367.093947][T12336] ? mark_lock+0x9a/0x350 [ 367.098291][T12336] ? __lock_acquire+0x1346/0x1fd0 [ 367.103331][T12336] ? mark_lock+0x9a/0x350 [ 367.107879][T12336] ? __lock_acquire+0x1346/0x1fd0 [ 367.112919][T12336] ? __pfx_nilfs_segctor_do_construct+0x10/0x10 [ 367.119205][T12336] ? nilfs_segctor_confirm+0x24d/0x2d0 [ 367.124772][T12336] ? do_raw_spin_lock+0x14f/0x370 [ 367.130104][T12336] ? __pfx_lock_release+0x10/0x10 [ 367.135167][T12336] ? do_raw_spin_unlock+0x13c/0x8b0 [ 367.140565][T12336] ? _raw_spin_unlock+0x28/0x50 [ 367.145432][T12336] ? nilfs_segctor_confirm+0x24d/0x2d0 [ 367.150933][T12336] nilfs_segctor_construct+0x14d/0x930 [ 367.156707][T12336] ? trace_nilfs2_transaction_transition+0x9a/0x200 [ 367.163489][T12336] nilfs_segctor_thread+0x540/0x1150 [ 367.168831][T12336] ? __pfx_nilfs_segctor_thread+0x10/0x10 [ 367.174571][T12336] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 367.180492][T12336] ? __pfx_autoremove_wake_function+0x10/0x10 [ 367.186764][T12336] ? __kthread_parkme+0x169/0x1d0 [ 367.191810][T12336] ? __pfx_nilfs_segctor_thread+0x10/0x10 [ 367.197555][T12336] kthread+0x2f0/0x390 [ 367.201648][T12336] ? __pfx_nilfs_segctor_thread+0x10/0x10 [ 367.207422][T12336] ? __pfx_kthread+0x10/0x10 [ 367.212064][T12336] ret_from_fork+0x4b/0x80 [ 367.216529][T12336] ? __pfx_kthread+0x10/0x10 [ 367.221146][T12336] ret_from_fork_asm+0x1a/0x30 [ 367.225942][T12336] [ 367.229217][T12336] Kernel Offset: disabled [ 367.233698][T12336] Rebooting in 86400 seconds..