./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1730459579 <...> Warning: Permanently added '10.128.0.3' (ED25519) to the list of known hosts. execve("./syz-executor1730459579", ["./syz-executor1730459579"], 0x7ffe826a4cc0 /* 10 vars */) = 0 brk(NULL) = 0x55557d22a000 brk(0x55557d22ad40) = 0x55557d22ad40 arch_prctl(ARCH_SET_FS, 0x55557d22a3c0) = 0 set_tid_address(0x55557d22a690) = 282 set_robust_list(0x55557d22a6a0, 24) = 0 rseq(0x55557d22ace0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1730459579", 4096) = 28 getrandom("\x88\x13\x1b\x1b\xa0\x83\x78\xcb", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557d22ad40 brk(0x55557d24bd40) = 0x55557d24bd40 brk(0x55557d24c000) = 0x55557d24c000 mprotect(0x7fb743fe1000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 283 attached [pid 283] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 282] <... clone resumed>, child_tidptr=0x55557d22a690) = 283 [pid 282] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 283] mkdir("./syzkaller.hNW4OF", 0700./strace-static-x86_64: Process 284 attached [pid 284] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 282] <... clone resumed>, child_tidptr=0x55557d22a690) = 284 [pid 282] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 284] mkdir("./syzkaller.Oxhyly", 0700 [pid 282] <... clone resumed>, child_tidptr=0x55557d22a690) = 285 ./strace-static-x86_64: Process 285 attached [pid 285] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 282] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 285] mkdir("./syzkaller.MN8vhT", 0700./strace-static-x86_64: Process 286 attached [pid 286] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 282] <... clone resumed>, child_tidptr=0x55557d22a690) = 286 [pid 282] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 286] mkdir("./syzkaller.TbjTzD", 0700./strace-static-x86_64: Process 287 attached [pid 287] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 282] <... clone resumed>, child_tidptr=0x55557d22a690) = 287 [pid 287] mkdir("./syzkaller.jb3v4x", 0700 [pid 283] <... mkdir resumed>) = 0 [pid 284] <... mkdir resumed>) = 0 [pid 283] chmod("./syzkaller.hNW4OF", 0777 [pid 284] chmod("./syzkaller.Oxhyly", 0777 [pid 285] <... mkdir resumed>) = 0 [pid 284] <... chmod resumed>) = 0 [pid 285] chmod("./syzkaller.MN8vhT", 0777 [pid 284] chdir("./syzkaller.Oxhyly" [pid 285] <... chmod resumed>) = 0 [pid 285] chdir("./syzkaller.MN8vhT" [pid 284] <... chdir resumed>) = 0 [pid 285] <... chdir resumed>) = 0 [pid 284] mkdir("./0", 0777 [pid 286] <... mkdir resumed>) = 0 [pid 285] mkdir("./0", 0777 [pid 284] <... mkdir resumed>) = 0 [pid 287] <... mkdir resumed>) = 0 [pid 286] chmod("./syzkaller.TbjTzD", 0777 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 287] chmod("./syzkaller.jb3v4x", 0777 [pid 286] <... chmod resumed>) = 0 [pid 285] <... mkdir resumed>) = 0 [pid 284] <... openat resumed>) = 3 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 286] chdir("./syzkaller.TbjTzD" [pid 284] ioctl(3, LOOP_CLR_FD [pid 285] <... openat resumed>) = 3 [pid 287] <... chmod resumed>) = 0 [pid 286] <... chdir resumed>) = 0 [pid 287] chdir("./syzkaller.jb3v4x" [pid 285] ioctl(3, LOOP_CLR_FD [pid 286] mkdir("./0", 0777 [pid 284] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 285] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 284] close(3 [pid 287] <... chdir resumed>) = 0 [pid 286] <... mkdir resumed>) = 0 [pid 285] close(3 [pid 284] <... close resumed>) = 0 [pid 283] <... chmod resumed>) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 285] <... close resumed>) = 0 [pid 287] mkdir("./0", 0777 [pid 283] chdir("./syzkaller.hNW4OF" [pid 284] <... clone resumed>, child_tidptr=0x55557d22a690) = 288 [pid 287] <... mkdir resumed>) = 0 [pid 286] <... openat resumed>) = 3 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 283] <... chdir resumed>) = 0 [ 46.925200][ T24] audit: type=1400 audit(1752949456.050:64): avc: denied { execmem } for pid=282 comm="syz-executor173" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 286] ioctl(3, LOOP_CLR_FD [pid 283] mkdir("./0", 0777./strace-static-x86_64: Process 288 attached [pid 287] <... openat resumed>) = 3 [pid 286] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 290 [pid 283] <... mkdir resumed>) = 0 [pid 287] ioctl(3, LOOP_CLR_FD [pid 286] close(3) = 0 [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 287] close(3 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 283] <... openat resumed>) = 3 [pid 287] <... close resumed>) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 291 [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 292 [pid 283] close(3./strace-static-x86_64: Process 290 attached [pid 290] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 283] <... close resumed>) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 290] chdir("./0") = 0 [pid 290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 290] setpgid(0, 0) = 0 [pid 290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 293 [pid 290] <... openat resumed>) = 3 [pid 290] write(3, "1000", 4) = 4 [pid 290] close(3) = 0 [pid 290] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 291 attached [pid 288] set_robust_list(0x55557d22a6a0, 24./strace-static-x86_64: Process 292 attached [pid 291] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 291] chdir("./0" [pid 288] <... set_robust_list resumed>) = 0 [pid 292] set_robust_list(0x55557d22a6a0, 24 [pid 290] write(1, "executing program\n", 18executing program ) = 18 [pid 291] <... chdir resumed>) = 0 [pid 290] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 290] <... futex resumed>) = 0 [pid 291] setpgid(0, 0 [pid 290] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 291] <... setpgid resumed>) = 0 [pid 290] <... rt_sigaction resumed>NULL, 8) = 0 [pid 290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 290] <... mmap resumed>) = 0x7fb743ef6000 [pid 290] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 290] rt_sigprocmask(SIG_BLOCK, ~[], [pid 291] <... openat resumed>) = 3 [pid 290] <... rt_sigprocmask resumed>[], 8) = 0 [pid 290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 291] write(3, "1000", 4) = 4 [pid 291] close(3) = 0 [pid 291] symlink("/dev/binderfs", "./binderfs" [pid 288] chdir("./0" [pid 292] <... set_robust_list resumed>) = 0 [pid 290] <... clone3 resumed> => {parent_tid=[294]}, 88) = 294 [pid 290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 290] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 292] chdir("./0" [pid 290] <... futex resumed>) = 0 [pid 288] <... chdir resumed>) = 0 [pid 290] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}executing program [pid 291] <... symlink resumed>) = 0 [pid 288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 292] <... chdir resumed>) = 0 [pid 291] write(1, "executing program\n", 18) = 18 [pid 292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 288] <... prctl resumed>) = 0 [pid 291] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 293 attached [pid 291] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 291] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 293] set_robust_list(0x55557d22a6a0, 24 [pid 291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 293] <... set_robust_list resumed>) = 0 [pid 293] chdir("./0" [pid 291] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 288] setpgid(0, 0 [pid 292] <... prctl resumed>) = 0 [pid 288] <... setpgid resumed>) = 0 [pid 292] setpgid(0, 0 [pid 293] <... chdir resumed>) = 0 [pid 293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 292] <... setpgid resumed>) = 0 [pid 293] <... prctl resumed>) = 0 [pid 293] setpgid(0, 0 [pid 291] rt_sigprocmask(SIG_BLOCK, ~[], [pid 288] <... openat resumed>) = 3 [pid 291] <... rt_sigprocmask resumed>[], 8) = 0 [pid 293] <... setpgid resumed>) = 0 [pid 292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 288] write(3, "1000", 4 [pid 291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 292] <... openat resumed>) = 3 [pid 288] <... write resumed>) = 4 [pid 292] write(3, "1000", 4) = 4 [pid 288] close(3 [pid 292] close(3 [pid 288] <... close resumed>) = 0 [pid 292] <... close resumed>) = 0 [pid 288] symlink("/dev/binderfs", "./binderfs" [pid 292] symlink("/dev/binderfs", "./binderfs" [pid 293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 293] write(3, "1000", 4 [pid 288] <... symlink resumed>) = 0 [pid 293] <... write resumed>) = 4 [pid 293] close(3) = 0 [pid 292] <... symlink resumed>) = 0 [pid 288] write(1, "executing program\n", 18executing program executing program [pid 292] write(1, "executing program\n", 18 [pid 291] <... clone3 resumed> => {parent_tid=[295]}, 88) = 295 [pid 292] <... write resumed>) = 18 [pid 288] <... write resumed>) = 18 [pid 291] rt_sigprocmask(SIG_SETMASK, [], [pid 292] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] symlink("/dev/binderfs", "./binderfs" [pid 291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 288] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 292] <... futex resumed>) = 0 [pid 292] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 288] <... futex resumed>) = 0 [pid 292] <... rt_sigaction resumed>NULL, 8) = 0 [pid 291] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 288] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 291] <... futex resumed>) = 0 [pid 288] <... rt_sigaction resumed>NULL, 8) = 0 [pid 292] <... mmap resumed>) = 0x7fb743ef6000 [pid 291] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 292] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 288] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 292] <... mprotect resumed>) = 0 [pid 288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 292] rt_sigprocmask(SIG_BLOCK, ~[], [pid 288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 292] <... rt_sigprocmask resumed>[], 8) = 0 [pid 288] <... mmap resumed>) = 0x7fb743ef6000 [pid 292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 288] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 293] <... symlink resumed>) = 0 [pid 293] write(1, "executing program\n", 18) = 18 [pid 293] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 288] <... mprotect resumed>) = 0 [pid 292] <... clone3 resumed> => {parent_tid=[296]}, 88) = 296 [pid 293] <... futex resumed>) = 0 [pid 293] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 288] rt_sigprocmask(SIG_BLOCK, ~[], [pid 292] rt_sigprocmask(SIG_SETMASK, [], [pid 288] <... rt_sigprocmask resumed>[], 8) = 0 [pid 292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [ 46.961009][ T24] audit: type=1400 audit(1752949456.080:65): avc: denied { read write } for pid=284 comm="syz-executor173" name="loop1" dev="devtmpfs" ino=116 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 292] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 293] <... rt_sigaction resumed>NULL, 8) = 0 [pid 293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 293] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 293] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[298]}, 88) = 298 [pid 293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 293] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 293] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 294 attached [pid 294] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 294] memfd_create("syzkaller", 0) = 3 [pid 294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 ./strace-static-x86_64: Process 295 attached [pid 295] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 295] memfd_create("syzkaller", 0./strace-static-x86_64: Process 297 attached [pid 297] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 297] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 295] <... memfd_create resumed>) = 3 [pid 295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 ./strace-static-x86_64: Process 298 attached [pid 292] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 288] <... clone3 resumed> => {parent_tid=[297]}, 88) = 297 [pid 298] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 298] memfd_create("syzkaller", 0) = 3 [pid 298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 288] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 288] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 297] <... futex resumed>) = 0 [pid 297] memfd_create("syzkaller", 0) = 3 [pid 297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 ./strace-static-x86_64: Process 296 attached [pid 296] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 296] memfd_create("syzkaller", 0) = 3 [pid 296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 47.004340][ T24] audit: type=1400 audit(1752949456.080:66): avc: denied { open } for pid=284 comm="syz-executor173" path="/dev/loop1" dev="devtmpfs" ino=116 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 47.062622][ T24] audit: type=1400 audit(1752949456.080:67): avc: denied { ioctl } for pid=285 comm="syz-executor173" path="/dev/loop2" dev="devtmpfs" ino=117 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 296] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 298] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 294] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 295] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 296] <... write resumed>) = 20699119 [pid 296] munmap(0x7fb73baf6000, 138412032) = 0 [pid 296] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 296] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 296] close(3) = 0 [pid 296] close(4) = 0 [pid 296] mkdir("./file4", 0777) = 0 [ 47.518038][ T24] audit: type=1400 audit(1752949456.650:68): avc: denied { mounton } for pid=292 comm="syz-executor173" path="/root/syzkaller.jb3v4x/0/file4" dev="sda1" ino=2039 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 47.543364][ T296] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 47.553767][ T296] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 47.562274][ T296] F2FS-fs (loop4): fault_injection options not supported [ 47.569628][ T296] F2FS-fs (loop4): fault_type options not supported [ 47.578286][ T296] F2FS-fs (loop4): invalid crc value [pid 296] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 298] <... write resumed>) = 20699119 [pid 298] munmap(0x7fb73baf6000, 138412032) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 298] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 298] close(3) = 0 [pid 298] close(4) = 0 [pid 298] mkdir("./file4", 0777) = 0 [ 47.616830][ T296] F2FS-fs (loop4): Found nat_bits in checkpoint [ 47.670942][ T298] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 47.681067][ T298] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 47.700516][ T298] F2FS-fs (loop0): fault_injection options not supported [ 47.707659][ T298] F2FS-fs (loop0): fault_type options not supported [ 47.715673][ T298] F2FS-fs (loop0): invalid crc value [pid 298] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 294] <... write resumed>) = 20699119 [ 47.729790][ T298] F2FS-fs (loop0): Found nat_bits in checkpoint [ 47.765363][ T296] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [pid 294] munmap(0x7fb73baf6000, 138412032 [pid 297] <... write resumed>) = 20699119 [pid 295] <... write resumed>) = 20699119 [pid 297] munmap(0x7fb73baf6000, 138412032) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 297] ioctl(4, LOOP_SET_FD, 3 [pid 294] <... munmap resumed>) = 0 [pid 295] munmap(0x7fb73baf6000, 138412032 [pid 294] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 298] <... mount resumed>) = 0 [pid 298] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 296] <... mount resumed>) = 0 [pid 295] <... munmap resumed>) = 0 [pid 295] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 298] <... openat resumed>) = 3 [pid 296] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 297] <... ioctl resumed>) = 0 [pid 297] close(3) = 0 [pid 297] close(4 [pid 298] chdir("./file4" [pid 296] <... openat resumed>) = 3 [pid 294] <... openat resumed>) = 4 [pid 298] <... chdir resumed>) = 0 [pid 296] chdir("./file4" [pid 294] ioctl(4, LOOP_SET_FD, 3 [pid 298] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 296] <... chdir resumed>) = 0 [pid 296] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 295] <... openat resumed>) = 4 [pid 295] ioctl(4, LOOP_SET_FD, 3 [pid 294] <... ioctl resumed>) = 0 [pid 296] <... openat resumed>) = 4 [pid 298] <... openat resumed>) = 4 [pid 294] close(3) = 0 [pid 294] close(4 [pid 296] ioctl(4, LOOP_CLR_FD [pid 298] ioctl(4, LOOP_CLR_FD [pid 294] <... close resumed>) = 0 [pid 294] mkdir("./file4", 0777 [pid 295] <... ioctl resumed>) = 0 [pid 296] <... ioctl resumed>) = 0 [pid 296] close(4 [pid 294] <... mkdir resumed>) = 0 [ 47.777016][ T296] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 47.777435][ T298] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 47.784770][ T24] audit: type=1400 audit(1752949456.910:69): avc: denied { mount } for pid=292 comm="syz-executor173" name="/" dev="loop4" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 47.791855][ T298] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 294] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 298] <... ioctl resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 295] close(3 [pid 298] close(4 [pid 296] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 296] <... futex resumed>) = 1 [pid 295] close(4 [pid 292] <... futex resumed>) = 0 [pid 298] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 295] <... close resumed>) = 0 [pid 292] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... futex resumed>) = 1 [pid 295] mkdir("./file4", 0777 [pid 293] <... futex resumed>) = 0 [pid 292] <... futex resumed>) = 0 [pid 298] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 295] <... mkdir resumed>) = 0 [pid 293] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 292] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 293] <... futex resumed>) = 0 [ 47.848435][ T294] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 47.868728][ T296] F2FS-fs (loop4): switch discard_unit option is not allowed [ 47.878148][ T298] F2FS-fs (loop0): switch discard_unit option is not allowed [ 47.886854][ T295] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [pid 293] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] mkdir("./file4", 0777) = 0 [pid 297] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 292] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 292] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ed5000 [pid 292] mprotect(0x7fb743ed6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 292] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743ef5990, parent_tid=0x7fb743ef5990, exit_signal=0, stack=0x7fb743ed5000, stack_size=0x20300, tls=0x7fb743ef56c0} => {parent_tid=[314]}, 88) = 314 [pid 292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 292] futex(0x7fb743fe76b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 47.893905][ T295] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 47.918228][ T297] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [pid 292] futex(0x7fb743fe76bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 314 attached [pid 314] set_robust_list(0x7fb743ef59a0, 24) = 0 [pid 314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 314] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 298] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 292] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 298] <... futex resumed>) = 0 [pid 296] <... futex resumed>) = 0 [pid 293] <... futex resumed>) = 0 [ 47.930117][ T24] audit: type=1400 audit(1752949457.000:70): avc: denied { remount } for pid=292 comm="syz-executor173" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 47.950922][ T294] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 47.954070][ T295] F2FS-fs (loop3): fault_injection options not supported [ 47.963501][ T314] attempt to access beyond end of device [ 47.963501][ T314] loop4: rw=2049, want=53256, limit=40427 [ 47.967166][ T295] F2FS-fs (loop3): fault_type options not supported [ 47.985356][ T297] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 47.987677][ T298] attempt to access beyond end of device [pid 298] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 296] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 293] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... symlink resumed>) = 0 [ 47.987677][ T298] loop0: rw=2049, want=53256, limit=40427 [ 47.998072][ T294] F2FS-fs (loop2): fault_injection options not supported [ 48.006535][ T24] audit: type=1400 audit(1752949457.100:71): avc: denied { write } for pid=292 comm="syz-executor173" name="/" dev="loop4" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 48.031040][ T297] F2FS-fs (loop1): fault_injection options not supported [pid 298] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... symlink resumed>) = 0 [pid 314] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7fb743fe76b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 292] exit_group(0) = ? [pid 314] <... futex resumed>) = ? [pid 314] +++ exited with 0 +++ [pid 298] <... futex resumed>) = 0 [pid 296] <... futex resumed>) = ? [pid 293] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 48.034730][ T24] audit: type=1400 audit(1752949457.100:72): avc: denied { add_name } for pid=292 comm="syz-executor173" name="file0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 48.047932][ T294] F2FS-fs (loop2): fault_type options not supported [ 48.062501][ T24] audit: type=1400 audit(1752949457.100:73): avc: denied { create } for pid=292 comm="syz-executor173" name="file0" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=lnk_file permissive=1 [ 48.069736][ T297] F2FS-fs (loop1): fault_type options not supported [pid 298] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 296] +++ exited with 0 +++ [pid 293] exit_group(0 [pid 292] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=0, si_utime=9, si_stime=23} --- [pid 287] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./0/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... futex resumed>) = ? [pid 293] <... exit_group resumed>) = ? [pid 298] +++ exited with 0 +++ [pid 293] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=293, si_uid=0, si_status=0, si_utime=10, si_stime=28} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 48.090620][ T295] F2FS-fs (loop3): invalid crc value [ 48.101660][ T297] F2FS-fs (loop1): invalid crc value [ 48.103862][ T294] F2FS-fs (loop2): invalid crc value [ 48.108579][ T297] F2FS-fs (loop1): Found nat_bits in checkpoint [ 48.112699][ T287] attempt to access beyond end of device [ 48.112699][ T287] loop4: rw=2049, want=45104, limit=40427 [ 48.119483][ T295] F2FS-fs (loop3): Found nat_bits in checkpoint [ 48.136452][ T283] attempt to access beyond end of device [ 48.136452][ T283] loop0: rw=2049, want=45104, limit=40427 [pid 283] umount2("./0/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... mount resumed>) = 0 [ 48.166529][ T294] F2FS-fs (loop2): Found nat_bits in checkpoint [ 48.176404][ T295] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 48.183473][ T295] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 295] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 295] chdir("./file4") = 0 [pid 295] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 295] ioctl(4, LOOP_CLR_FD) = 0 [pid 295] close(4) = 0 [pid 295] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 291] <... futex resumed>) = 0 [pid 295] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 291] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 291] <... futex resumed>) = 0 [pid 295] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 291] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 295] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 291] <... futex resumed>) = 0 [pid 295] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 291] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 295] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 291] <... futex resumed>) = 0 [pid 297] <... mount resumed>) = 0 [pid 297] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 297] chdir("./file4") = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 291] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... symlink resumed>) = 0 [pid 295] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 291] <... futex resumed>) = 0 [pid 295] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 291] exit_group(0) = ? [pid 295] <... futex resumed>) = ? [pid 295] +++ exited with 0 +++ [pid 291] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=291, si_uid=0, si_status=0, si_utime=11, si_stime=23} --- [ 48.218842][ T297] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 48.236442][ T295] F2FS-fs (loop3): switch discard_unit option is not allowed [ 48.244004][ T297] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 48.253716][ T295] attempt to access beyond end of device [ 48.253716][ T295] loop3: rw=2049, want=53256, limit=40427 [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./0/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 294] <... mount resumed>) = 0 [pid 294] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 294] chdir("./file4") = 0 [pid 294] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./0/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./0/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./0/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./0/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... openat resumed>) = 4 [pid 294] <... openat resumed>) = 4 [pid 297] ioctl(4, LOOP_CLR_FD [pid 294] ioctl(4, LOOP_CLR_FD [pid 297] <... ioctl resumed>) = 0 [pid 294] <... ioctl resumed>) = 0 [pid 297] close(4 [pid 294] close(4 [pid 297] <... close resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 297] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 1 [pid 294] <... futex resumed>) = 1 [pid 288] <... futex resumed>) = 0 [ 48.272709][ T294] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 48.281878][ T294] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 48.282732][ T286] attempt to access beyond end of device [ 48.282732][ T286] loop3: rw=2049, want=45104, limit=40427 [pid 297] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 294] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 288] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 290] <... futex resumed>) = 0 [pid 288] <... futex resumed>) = 0 [pid 290] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 288] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 287] <... openat resumed>) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 290] <... futex resumed>) = 1 [pid 287] getdents64(4, [pid 294] <... futex resumed>) = 0 [pid 294] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 290] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 287] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./0/file4") = 0 [pid 287] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./0/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./0") = 0 [pid 287] mkdir("./1", 0777) = 0 [pid 297] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 297] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 288] <... futex resumed>) = 0 [pid 288] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 288] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... futex resumed>) = 1 [pid 297] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 294] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 294] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 290] <... futex resumed>) = 0 [pid 290] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 290] <... futex resumed>) = 0 [pid 290] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 325 ./strace-static-x86_64: Process 325 attached [pid 325] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 325] chdir("./1") = 0 [pid 325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 325] setpgid(0, 0) = 0 [pid 325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 325] write(3, "1000", 4) = 4 [pid 325] close(3) = 0 [pid 325] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 325] write(1, "executing program\n", 18) = 18 [pid 325] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 325] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 325] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 325] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 325] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[326]}, 88) = 326 [pid 325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 325] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 325] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 294] <... symlink resumed>) = 0 [pid 297] <... symlink resumed>) = 0 [pid 294] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = 1 [pid 290] <... futex resumed>) = 0 [pid 288] <... futex resumed>) = 0 [pid 290] exit_group(0) = ? [pid 288] exit_group(0) = ? [pid 297] <... futex resumed>) = ? [pid 297] +++ exited with 0 +++ [pid 288] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=288, si_uid=0, si_status=0, si_utime=8, si_stime=31} --- [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 294] +++ exited with 0 +++ [pid 290] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=5, si_stime=32} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 326 attached [pid 326] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 326] memfd_create("syzkaller", 0) = 3 [pid 326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 285] <... restart_syscall resumed>) = 0 [pid 284] <... restart_syscall resumed>) = 0 [pid 285] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 284] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 285] <... openat resumed>) = 3 [pid 284] <... openat resumed>) = 3 [pid 285] newfstatat(3, "", [pid 284] newfstatat(3, "", [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, [pid 284] getdents64(3, [pid 285] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./0/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 48.328095][ T297] F2FS-fs (loop1): switch discard_unit option is not allowed [ 48.340065][ T294] F2FS-fs (loop2): switch discard_unit option is not allowed [ 48.353071][ T297] attempt to access beyond end of device [ 48.353071][ T297] loop1: rw=2049, want=53256, limit=40427 [ 48.366509][ T294] attempt to access beyond end of device [ 48.366509][ T294] loop2: rw=2049, want=53256, limit=40427 [pid 284] umount2("./0/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./0/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./0/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./0/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./0/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./0/file4") = 0 [pid 283] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./0/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./0") = 0 [pid 283] mkdir("./1", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [ 48.401526][ T284] attempt to access beyond end of device [ 48.401526][ T284] loop1: rw=2049, want=45104, limit=40427 [ 48.414921][ T285] attempt to access beyond end of device [ 48.414921][ T285] loop2: rw=2049, want=45104, limit=40427 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 327 ./strace-static-x86_64: Process 327 attached [pid 327] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 327] chdir("./1") = 0 [pid 327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 327] setpgid(0, 0) = 0 [pid 327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 327] write(3, "1000", 4) = 4 [pid 327] close(3) = 0 [pid 327] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 327] write(1, "executing program\n", 18) = 18 [pid 327] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 327] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 327] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 327] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[328]}, 88) = 328 [pid 327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 327] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 328 attached [pid 328] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 328] memfd_create("syzkaller", 0) = 3 [pid 328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./0/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./0/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./0/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./0/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./0/file4") = 0 [pid 286] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./0/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./0") = 0 [pid 286] mkdir("./1", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 329 ./strace-static-x86_64: Process 329 attached [pid 329] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 329] chdir("./1") = 0 [pid 329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 329] setpgid(0, 0) = 0 [pid 329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 329] write(3, "1000", 4) = 4 [pid 329] close(3) = 0 [pid 329] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 329] write(1, "executing program\n", 18) = 18 [pid 329] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 329] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[330]}, 88) = 330 [pid 329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 329] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 330 attached [pid 330] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 330] memfd_create("syzkaller", 0) = 3 [pid 330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./0/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./0/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./0/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./0/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./0/file4") = 0 [pid 284] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./0/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./0") = 0 [pid 284] mkdir("./1", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 331 ./strace-static-x86_64: Process 331 attached [pid 331] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 331] chdir("./1") = 0 [pid 331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 331] setpgid(0, 0) = 0 [pid 331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 331] write(3, "1000", 4) = 4 [pid 331] close(3) = 0 [pid 331] symlink("/dev/binderfs", "./binderfs") = 0 [pid 331] write(1, "executing program\n", 18executing program ) = 18 [pid 331] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 331] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 331] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 331] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[332]}, 88) = 332 [pid 331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 331] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 331] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 332 attached [pid 332] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 332] memfd_create("syzkaller", 0) = 3 [pid 332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 326] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./0/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./0/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./0/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./0/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./0/file4") = 0 [pid 285] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./0/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./0") = 0 [pid 285] mkdir("./1", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 333 ./strace-static-x86_64: Process 333 attached [pid 333] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 333] chdir("./1") = 0 [pid 333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 333] setpgid(0, 0) = 0 [pid 333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 333] write(3, "1000", 4) = 4 [pid 333] close(3) = 0 [pid 333] symlink("/dev/binderfs", "./binderfs") = 0 [pid 333] write(1, "executing program\n", 18executing program ) = 18 [pid 333] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 333] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 333] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 333] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[334]}, 88) = 334 [pid 333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 333] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 333] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 334 attached [pid 334] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 334] memfd_create("syzkaller", 0) = 3 [pid 334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 328] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 330] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 326] <... write resumed>) = 20699119 [pid 326] munmap(0x7fb73baf6000, 138412032) = 0 [pid 326] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 326] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 326] close(3) = 0 [pid 326] close(4) = 0 [pid 326] mkdir("./file4", 0777) = 0 [pid 326] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 48.929970][ T326] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 48.965781][ T326] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 332] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 330] <... write resumed>) = 20699119 [pid 332] <... write resumed>) = 20699119 [pid 332] munmap(0x7fb73baf6000, 138412032) = 0 [pid 332] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 332] ioctl(4, LOOP_SET_FD, 3 [pid 330] munmap(0x7fb73baf6000, 138412032 [pid 332] <... ioctl resumed>) = 0 [pid 332] close(3) = 0 [pid 330] <... munmap resumed>) = 0 [pid 332] close(4) = 0 [pid 330] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 332] mkdir("./file4", 0777 [pid 330] <... openat resumed>) = 4 [pid 332] <... mkdir resumed>) = 0 [pid 330] ioctl(4, LOOP_SET_FD, 3 [ 49.005305][ T326] F2FS-fs (loop4): fault_injection options not supported [ 49.023144][ T326] F2FS-fs (loop4): fault_type options not supported [ 49.040032][ T326] F2FS-fs (loop4): invalid crc value [ 49.048851][ T326] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 332] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 330] <... ioctl resumed>) = 0 [pid 330] close(3) = 0 [pid 330] close(4) = 0 [pid 330] mkdir("./file4", 0777) = 0 [ 49.049659][ T332] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 49.066035][ T330] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 49.073013][ T330] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 49.093023][ T330] F2FS-fs (loop3): fault_injection options not supported [pid 330] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 328] <... write resumed>) = 20699119 [pid 328] munmap(0x7fb73baf6000, 138412032) = 0 [pid 328] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 328] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 328] close(3) = 0 [pid 328] close(4) = 0 [pid 328] mkdir("./file4", 0777) = 0 [pid 328] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 49.097004][ T332] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 49.100412][ T330] F2FS-fs (loop3): fault_type options not supported [ 49.116272][ T330] F2FS-fs (loop3): invalid crc value [ 49.121755][ T332] F2FS-fs (loop1): fault_injection options not supported [ 49.129101][ T332] F2FS-fs (loop1): fault_type options not supported [ 49.140360][ T332] F2FS-fs (loop1): invalid crc value [ 49.142916][ T328] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 49.154131][ T332] F2FS-fs (loop1): Found nat_bits in checkpoint [ 49.166677][ T330] F2FS-fs (loop3): Found nat_bits in checkpoint [ 49.185812][ T328] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 49.194090][ T328] F2FS-fs (loop0): fault_injection options not supported [pid 334] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 326] <... mount resumed>) = 0 [pid 326] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 326] chdir("./file4") = 0 [pid 326] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 326] ioctl(4, LOOP_CLR_FD) = 0 [pid 326] close(4) = 0 [pid 334] <... write resumed>) = 20699119 [pid 334] munmap(0x7fb73baf6000, 138412032) = 0 [pid 334] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 49.207284][ T326] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 49.214476][ T326] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 49.241542][ T328] F2FS-fs (loop0): fault_type options not supported [pid 334] ioctl(4, LOOP_SET_FD, 3 [pid 332] <... mount resumed>) = 0 [pid 326] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 325] <... futex resumed>) = 0 [pid 325] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 325] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 326] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 334] <... ioctl resumed>) = 0 [pid 332] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 334] close(3 [pid 332] <... openat resumed>) = 3 [pid 334] <... close resumed>) = 0 [pid 332] chdir("./file4" [pid 334] close(4) = 0 [pid 332] <... chdir resumed>) = 0 [pid 334] mkdir("./file4", 0777 [pid 332] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 334] <... mkdir resumed>) = 0 [pid 332] <... openat resumed>) = 4 [ 49.265959][ T332] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 49.266393][ T328] F2FS-fs (loop0): invalid crc value [ 49.273030][ T332] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 49.277556][ T326] F2FS-fs (loop4): switch discard_unit option is not allowed [ 49.298871][ T334] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 49.299098][ T330] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [pid 334] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 332] ioctl(4, LOOP_CLR_FD [pid 326] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 325] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 326] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 325] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 326] <... futex resumed>) = 0 [pid 325] <... futex resumed>) = 0 [pid 326] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ed5000 [pid 325] mprotect(0x7fb743ed6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 325] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743ef5990, parent_tid=0x7fb743ef5990, exit_signal=0, stack=0x7fb743ed5000, stack_size=0x20300, tls=0x7fb743ef56c0} => {parent_tid=[351]}, 88) = 351 [pid 325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 325] futex(0x7fb743fe76b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 325] futex(0x7fb743fe76bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 351 attached [pid 351] set_robust_list(0x7fb743ef59a0, 24) = 0 [pid 351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 351] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 332] <... ioctl resumed>) = 0 [pid 351] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 325] <... futex resumed>) = 0 [pid 325] exit_group(0 [pid 326] <... futex resumed>) = ? [pid 325] <... exit_group resumed>) = ? [pid 326] +++ exited with 0 +++ [pid 351] <... futex resumed>) = ? [pid 351] +++ exited with 0 +++ [pid 325] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=325, si_uid=0, si_status=0, si_utime=10, si_stime=18} --- [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 332] close(4 [pid 287] <... restart_syscall resumed>) = 0 [pid 287] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./1/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 332] <... close resumed>) = 0 [pid 332] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 331] <... futex resumed>) = 0 [pid 332] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 331] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 331] <... futex resumed>) = 0 [pid 332] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 49.305938][ T334] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 49.314973][ T328] F2FS-fs (loop0): Found nat_bits in checkpoint [ 49.321298][ T334] F2FS-fs (loop2): fault_injection options not supported [ 49.335607][ T334] F2FS-fs (loop2): fault_type options not supported [ 49.338672][ T330] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 49.344147][ T334] F2FS-fs (loop2): invalid crc value [pid 331] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 332] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 332] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 331] <... futex resumed>) = 0 [pid 332] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 331] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 331] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 332] <... symlink resumed>) = 0 [pid 330] <... mount resumed>) = 0 [pid 332] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 330] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 332] <... futex resumed>) = 1 [pid 331] <... futex resumed>) = 0 [pid 332] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 331] exit_group(0 [pid 330] <... openat resumed>) = 3 [pid 332] <... futex resumed>) = ? [pid 331] <... exit_group resumed>) = ? [pid 330] chdir("./file4" [pid 332] +++ exited with 0 +++ [pid 331] +++ exited with 0 +++ [pid 330] <... chdir resumed>) = 0 [pid 330] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=331, si_uid=0, si_status=0, si_utime=6, si_stime=19} --- [pid 330] <... openat resumed>) = 4 [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 330] ioctl(4, LOOP_CLR_FD) = 0 [pid 330] close(4) = 0 [pid 284] <... restart_syscall resumed>) = 0 [pid 284] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 330] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 330] <... futex resumed>) = 1 [pid 329] <... futex resumed>) = 0 [pid 284] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 330] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 329] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... openat resumed>) = 3 [pid 329] <... futex resumed>) = 0 [pid 330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 329] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 284] newfstatat(3, "", [pid 330] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 330] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./1/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 330] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 330] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 329] <... futex resumed>) = 0 [pid 330] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 329] exit_group(0) = ? [pid 330] <... futex resumed>) = ? [pid 330] +++ exited with 0 +++ [pid 329] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=329, si_uid=0, si_status=0, si_utime=11, si_stime=19} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 49.367211][ T332] F2FS-fs (loop1): switch discard_unit option is not allowed [ 49.397517][ T330] F2FS-fs (loop3): switch discard_unit option is not allowed [ 49.403089][ T334] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 286] umount2("./1/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 334] <... mount resumed>) = 0 [pid 334] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 334] chdir("./file4") = 0 [pid 334] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 334] ioctl(4, LOOP_CLR_FD) = 0 [pid 334] close(4) = 0 [pid 334] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 333] <... futex resumed>) = 0 [pid 334] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 333] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 333] <... futex resumed>) = 0 [pid 334] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 333] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 334] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 334] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 333] <... futex resumed>) = 0 [pid 333] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 333] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 334] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 334] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 333] <... futex resumed>) = 0 [pid 333] exit_group(0) = ? [pid 334] +++ exited with 0 +++ [pid 333] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=333, si_uid=0, si_status=0, si_utime=5, si_stime=17} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 49.447846][ T334] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 49.454943][ T334] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 49.476665][ T334] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 285] umount2("./1/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 328] <... mount resumed>) = 0 [pid 328] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 328] chdir("./file4") = 0 [ 49.510054][ T328] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 49.517496][ T328] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 328] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./1/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./1/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./1/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./1/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./1/file4") = 0 [pid 287] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./1/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./1") = 0 [pid 287] mkdir("./2", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 328] <... openat resumed>) = 4 [pid 328] ioctl(4, LOOP_CLR_FD [pid 287] <... openat resumed>) = 3 [pid 328] <... ioctl resumed>) = 0 [pid 328] close(4) = 0 [pid 328] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 327] <... futex resumed>) = 0 [pid 328] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 327] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 327] <... futex resumed>) = 0 [pid 328] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 327] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 328] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] <... futex resumed>) = 0 [pid 327] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... futex resumed>) = 1 [pid 328] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 328] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] <... futex resumed>) = 0 [pid 327] exit_group(0) = ? [pid 328] <... futex resumed>) = ? [pid 328] +++ exited with 0 +++ [pid 327] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=327, si_uid=0, si_status=0, si_utime=7, si_stime=25} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 287] ioctl(3, LOOP_CLR_FD [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./1/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./1/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./1/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./1/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./1/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./1/file4") = 0 [pid 284] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 49.654415][ T328] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 358 [pid 284] unlink("./1/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./1") = 0 [pid 284] mkdir("./2", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 358 attached [pid 358] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 358] chdir("./2") = 0 [pid 358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 358] setpgid(0, 0) = 0 [pid 358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 358] write(3, "1000", 4) = 4 [pid 358] close(3) = 0 [pid 358] symlink("/dev/binderfs", "./binderfs") = 0 [pid 358] write(1, "executing program\n", 18executing program ) = 18 [pid 358] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 358] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 358] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 358] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 358] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[359]}, 88) = 359 [pid 358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 358] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 358] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 284] <... openat resumed>) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 360 [pid 286] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 360 attached ./strace-static-x86_64: Process 359 attached [pid 286] umount2("./1/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./1/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./1/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./1/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./1/file4") = 0 [pid 286] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./1/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3 [pid 360] set_robust_list(0x55557d22a6a0, 24 [pid 359] set_robust_list(0x7fb743f169a0, 24 [pid 360] <... set_robust_list resumed>) = 0 [pid 359] <... set_robust_list resumed>) = 0 [pid 360] chdir("./2" [pid 359] rt_sigprocmask(SIG_SETMASK, [], [pid 360] <... chdir resumed>) = 0 [pid 359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 286] <... close resumed>) = 0 [pid 286] rmdir("./1" [pid 359] memfd_create("syzkaller", 0 [pid 360] <... prctl resumed>) = 0 [pid 359] <... memfd_create resumed>) = 3 [pid 360] setpgid(0, 0 [pid 359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 360] <... setpgid resumed>) = 0 [pid 360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 359] <... mmap resumed>) = 0x7fb73baf6000 [pid 360] <... openat resumed>) = 3 [pid 286] <... rmdir resumed>) = 0 [pid 286] mkdir("./2", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 360] write(3, "1000", 4) = 4 [pid 360] close(3) = 0 [pid 360] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 360] write(1, "executing program\n", 18) = 18 [pid 360] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 360] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 360] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 360] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[361]}, 88) = 361 [pid 360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 360] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 362 ./strace-static-x86_64: Process 362 attached [pid 362] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 362] chdir("./2") = 0 [pid 362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 362] setpgid(0, 0) = 0 [pid 362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 362] write(3, "1000", 4) = 4 [pid 362] close(3) = 0 [pid 362] symlink("/dev/binderfs", "./binderfs") = 0 [pid 362] write(1, "executing program\n", 18executing program ) = 18 [pid 362] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 362] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 362] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 362] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 362] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[363]}, 88) = 363 [pid 362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 362] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 362] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 361 attached [pid 361] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 363 attached [pid 363] set_robust_list(0x7fb743f169a0, 24 [pid 361] memfd_create("syzkaller", 0) = 3 [pid 361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 363] <... set_robust_list resumed>) = 0 [pid 363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 363] memfd_create("syzkaller", 0) = 3 [pid 363] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 283] <... umount2 resumed>) = 0 [pid 285] <... umount2 resumed>) = 0 [pid 283] umount2("./1/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./1/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./1/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./1/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./1/file4") = 0 [pid 283] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./1/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./1") = 0 [pid 283] mkdir("./2", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 285] umount2("./1/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 364 ./strace-static-x86_64: Process 364 attached [pid 364] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 364] chdir("./2") = 0 [pid 364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 364] setpgid(0, 0) = 0 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./1/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./1/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./1/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./1/file4" [pid 364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 285] <... rmdir resumed>) = 0 [pid 285] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./1/binderfs" [pid 364] <... openat resumed>) = 3 [pid 285] <... unlink resumed>) = 0 [pid 285] getdents64(3, [pid 364] write(3, "1000", 4 [pid 285] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./1" [pid 364] <... write resumed>) = 4 [pid 285] <... rmdir resumed>) = 0 [pid 285] mkdir("./2", 0777 [pid 364] close(3) = 0 [pid 364] symlink("/dev/binderfs", "./binderfs") = 0 [pid 364] write(1, "executing program\n", 18executing program ) = 18 [pid 364] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 364] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 364] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 364] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 285] <... mkdir resumed>) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 364] <... mprotect resumed>) = 0 [pid 285] <... openat resumed>) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 365 [pid 364] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[366]}, 88) = 366 [pid 364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 364] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 364] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 366 attached [pid 366] set_robust_list(0x7fb743f169a0, 24./strace-static-x86_64: Process 365 attached [pid 365] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 366] <... set_robust_list resumed>) = 0 [pid 365] chdir("./2") = 0 [pid 366] rt_sigprocmask(SIG_SETMASK, [], [pid 365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 365] setpgid(0, 0) = 0 [pid 365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 365] <... openat resumed>) = 3 [pid 365] write(3, "1000", 4) = 4 [pid 365] close(3) = 0 [pid 365] symlink("/dev/binderfs", "./binderfs" [pid 366] memfd_create("syzkaller", 0 [pid 365] <... symlink resumed>) = 0 [pid 365] write(1, "executing program\n", 18executing program [pid 366] <... memfd_create resumed>) = 3 [pid 365] <... write resumed>) = 18 [pid 366] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 365] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 365] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 365] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 365] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 365] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[367]}, 88) = 367 [pid 365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 367 attached [pid 367] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 367] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 365] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 367] <... futex resumed>) = 0 [pid 365] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 367] memfd_create("syzkaller", 0) = 3 [pid 367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 359] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 361] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 363] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 366] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 359] <... write resumed>) = 20699119 [pid 367] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 359] munmap(0x7fb73baf6000, 138412032) = 0 [pid 359] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 359] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 359] close(3) = 0 [pid 359] close(4) = 0 [pid 361] <... write resumed>) = 20699119 [pid 359] mkdir("./file4", 0777 [pid 361] munmap(0x7fb73baf6000, 138412032 [pid 359] <... mkdir resumed>) = 0 [pid 359] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 361] <... munmap resumed>) = 0 [pid 361] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 361] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 361] close(3) = 0 [pid 361] close(4) = 0 [pid 361] mkdir("./file4", 0777) = 0 [ 50.264535][ T359] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 50.275914][ T359] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 50.287264][ T359] F2FS-fs (loop4): fault_injection options not supported [ 50.294342][ T359] F2FS-fs (loop4): fault_type options not supported [ 50.305568][ T361] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [pid 361] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 363] <... write resumed>) = 20699119 [pid 363] munmap(0x7fb73baf6000, 138412032) = 0 [pid 363] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 363] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 363] close(3) = 0 [pid 363] close(4) = 0 [pid 363] mkdir("./file4", 0777) = 0 [ 50.316548][ T359] F2FS-fs (loop4): invalid crc value [ 50.322101][ T361] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 50.335951][ T363] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 50.342952][ T363] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 50.352341][ T359] F2FS-fs (loop4): Found nat_bits in checkpoint [ 50.358934][ T361] F2FS-fs (loop1): fault_injection options not supported [pid 363] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 367] <... write resumed>) = 20699119 [pid 367] munmap(0x7fb73baf6000, 138412032) = 0 [pid 367] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 367] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 367] close(3) = 0 [pid 367] close(4) = 0 [pid 367] mkdir("./file4", 0777) = 0 [ 50.375811][ T361] F2FS-fs (loop1): fault_type options not supported [ 50.382678][ T363] F2FS-fs (loop3): fault_injection options not supported [ 50.406032][ T361] F2FS-fs (loop1): invalid crc value [ 50.411626][ T363] F2FS-fs (loop3): fault_type options not supported [pid 367] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 366] <... write resumed>) = 20699119 [ 50.424496][ T367] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 50.431393][ T361] F2FS-fs (loop1): Found nat_bits in checkpoint [ 50.435385][ T367] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 50.438608][ T363] F2FS-fs (loop3): invalid crc value [ 50.447770][ T367] F2FS-fs (loop2): fault_injection options not supported [ 50.459351][ T359] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 50.466662][ T359] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 366] munmap(0x7fb73baf6000, 138412032) = 0 [pid 366] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 359] <... mount resumed>) = 0 [pid 366] <... openat resumed>) = 4 [pid 366] ioctl(4, LOOP_SET_FD, 3 [pid 359] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 359] chdir("./file4") = 0 [pid 359] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 366] <... ioctl resumed>) = 0 [pid 359] <... openat resumed>) = 4 [pid 366] close(3 [pid 359] ioctl(4, LOOP_CLR_FD [pid 366] <... close resumed>) = 0 [pid 359] <... ioctl resumed>) = 0 [pid 366] close(4 [pid 359] close(4 [pid 366] <... close resumed>) = 0 [pid 366] mkdir("./file4", 0777 [pid 359] <... close resumed>) = 0 [pid 366] <... mkdir resumed>) = 0 [pid 359] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 359] <... futex resumed>) = 1 [pid 358] <... futex resumed>) = 0 [pid 358] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 358] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 359] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 359] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 358] <... futex resumed>) = 0 [pid 358] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 358] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 359] <... futex resumed>) = 1 [ 50.474754][ T367] F2FS-fs (loop2): fault_type options not supported [ 50.477322][ T363] F2FS-fs (loop3): Found nat_bits in checkpoint [ 50.482761][ T367] F2FS-fs (loop2): invalid crc value [ 50.500755][ T366] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 50.508077][ T366] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 50.514802][ T359] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 359] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 359] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 358] <... futex resumed>) = 0 [pid 358] exit_group(0) = ? [pid 359] +++ exited with 0 +++ [pid 358] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=358, si_uid=0, si_status=0, si_utime=11, si_stime=15} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 50.516800][ T366] F2FS-fs (loop0): fault_injection options not supported [ 50.531154][ T366] F2FS-fs (loop0): fault_type options not supported [ 50.538933][ T366] F2FS-fs (loop0): invalid crc value [ 50.547114][ T367] F2FS-fs (loop2): Found nat_bits in checkpoint [ 50.569871][ T366] F2FS-fs (loop0): Found nat_bits in checkpoint [ 50.598649][ T363] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 50.605725][ T363] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 50.623984][ T361] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 50.629840][ T366] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 50.638134][ T366] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 287] umount2("./2/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 366] <... mount resumed>) = 0 [pid 363] <... mount resumed>) = 0 [pid 366] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 363] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 366] <... openat resumed>) = 3 [pid 363] <... openat resumed>) = 3 [pid 366] chdir("./file4" [pid 363] chdir("./file4" [pid 366] <... chdir resumed>) = 0 [pid 363] <... chdir resumed>) = 0 [pid 366] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 363] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 366] <... openat resumed>) = 4 [pid 363] <... openat resumed>) = 4 [pid 366] ioctl(4, LOOP_CLR_FD [pid 363] ioctl(4, LOOP_CLR_FD [pid 366] <... ioctl resumed>) = 0 [pid 363] <... ioctl resumed>) = 0 [pid 366] close(4 [pid 363] close(4 [pid 366] <... close resumed>) = 0 [pid 363] <... close resumed>) = 0 [pid 366] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 364] <... futex resumed>) = 0 [pid 366] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 364] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 363] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 364] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 362] <... futex resumed>) = 0 [pid 362] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... futex resumed>) = 0 [pid 362] <... futex resumed>) = 1 [pid 363] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 362] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 366] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 366] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 364] <... futex resumed>) = 0 [pid 364] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 364] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 366] <... futex resumed>) = 1 [pid 366] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 366] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 364] <... futex resumed>) = 0 [pid 364] exit_group(0) = ? [pid 366] <... futex resumed>) = ? [pid 366] +++ exited with 0 +++ [pid 364] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=364, si_uid=0, si_status=0, si_utime=11, si_stime=25} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 361] <... mount resumed>) = 0 [pid 361] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 361] chdir("./file4") = 0 [pid 361] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 283] <... restart_syscall resumed>) = 0 [pid 363] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 283] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./2/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 363] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 363] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 362] <... futex resumed>) = 0 [pid 362] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... futex resumed>) = 0 [pid 362] <... futex resumed>) = 1 [pid 363] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [ 50.638163][ T361] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 50.662538][ T366] F2FS-fs (loop0): switch discard_unit option is not allowed [ 50.671556][ T363] F2FS-fs (loop3): switch discard_unit option is not allowed [ 50.688088][ T367] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [pid 362] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 363] <... symlink resumed>) = 0 [pid 363] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 363] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 362] <... futex resumed>) = 0 [pid 362] exit_group(0 [pid 363] <... futex resumed>) = ? [pid 362] <... exit_group resumed>) = ? [pid 363] +++ exited with 0 +++ [pid 362] +++ exited with 0 +++ [pid 367] <... mount resumed>) = 0 [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=362, si_uid=0, si_status=0, si_utime=11, si_stime=18} --- [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 367] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 367] chdir("./file4") = 0 [pid 367] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 286] <... restart_syscall resumed>) = 0 [pid 286] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./2/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 361] <... openat resumed>) = 4 [pid 367] <... openat resumed>) = 4 [pid 361] ioctl(4, LOOP_CLR_FD [pid 367] ioctl(4, LOOP_CLR_FD [pid 361] <... ioctl resumed>) = 0 [pid 367] <... ioctl resumed>) = 0 [pid 361] close(4 [pid 367] close(4 [pid 361] <... close resumed>) = 0 [pid 367] <... close resumed>) = 0 [pid 361] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 361] <... futex resumed>) = 1 [pid 367] <... futex resumed>) = 1 [pid 361] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 367] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 360] <... futex resumed>) = 0 [pid 365] <... futex resumed>) = 0 [pid 360] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 365] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 360] <... futex resumed>) = 1 [pid 365] <... futex resumed>) = 1 [pid 360] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 365] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... futex resumed>) = 0 [pid 361] <... futex resumed>) = 0 [ 50.696589][ T367] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 367] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 361] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 367] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 367] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 365] <... futex resumed>) = 0 [pid 365] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 365] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 361] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 367] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 361] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 360] <... futex resumed>) = 0 [pid 360] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... symlink resumed>) = 0 [pid 361] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 367] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 365] <... futex resumed>) = 0 [pid 365] exit_group(0) = ? [pid 367] +++ exited with 0 +++ [pid 365] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=365, si_uid=0, si_status=0, si_utime=7, si_stime=20} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 361] <... symlink resumed>) = 0 [pid 361] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 361] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 360] <... futex resumed>) = 0 [pid 360] exit_group(0) = ? [pid 361] <... futex resumed>) = ? [pid 361] +++ exited with 0 +++ [pid 360] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=360, si_uid=0, si_status=0, si_utime=7, si_stime=19} --- [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 285] <... restart_syscall resumed>) = 0 [pid 284] <... restart_syscall resumed>) = 0 [pid 285] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] <... openat resumed>) = 3 [pid 284] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 285] newfstatat(3, "", [pid 284] <... openat resumed>) = 3 [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] newfstatat(3, "", [pid 285] getdents64(3, [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] getdents64(3, [pid 285] umount2("./2/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [ 50.735125][ T361] F2FS-fs (loop1): switch discard_unit option is not allowed [ 50.742851][ T367] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 284] umount2("./2/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./2/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./2/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./2/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./2/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./2/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./2/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, [pid 287] umount2("./2/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./2/file4" [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./2/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] <... rmdir resumed>) = 0 [pid 283] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./2/binderfs" [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] <... unlink resumed>) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./2" [pid 287] getdents64(4, [pid 283] <... rmdir resumed>) = 0 [pid 283] mkdir("./3", 0777 [pid 287] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] <... mkdir resumed>) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./2/file4") = 0 [pid 287] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./2/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./2") = 0 [pid 287] mkdir("./3", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 388 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 389 ./strace-static-x86_64: Process 388 attached ./strace-static-x86_64: Process 389 attached [pid 389] set_robust_list(0x55557d22a6a0, 24 [pid 388] set_robust_list(0x55557d22a6a0, 24 [pid 389] <... set_robust_list resumed>) = 0 [pid 389] chdir("./3") = 0 [pid 389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 389] setpgid(0, 0) = 0 [pid 389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 388] <... set_robust_list resumed>) = 0 [pid 389] write(3, "1000", 4 [pid 388] chdir("./3") = 0 [pid 388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 388] setpgid(0, 0) = 0 [pid 389] <... write resumed>) = 4 [pid 388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 389] close(3 [pid 388] <... openat resumed>) = 3 [pid 388] write(3, "1000", 4) = 4 [pid 388] close(3) = 0 [pid 388] symlink("/dev/binderfs", "./binderfs" [pid 389] <... close resumed>) = 0 [pid 388] <... symlink resumed>) = 0 [pid 388] write(1, "executing program\n", 18executing program [pid 389] symlink("/dev/binderfs", "./binderfs" [pid 388] <... write resumed>) = 18 [pid 388] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 388] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 389] <... symlink resumed>) = 0 [pid 388] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 389] write(1, "executing program\n", 18 [pid 388] <... clone3 resumed> => {parent_tid=[390]}, 88) = 390 [pid 388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 388] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}executing program [pid 389] <... write resumed>) = 18 [pid 389] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 389] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 389] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 389] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[391]}, 88) = 391 [pid 389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 389] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 389] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 390 attached [pid 390] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 390] memfd_create("syzkaller", 0) = 3 [pid 390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 ./strace-static-x86_64: Process 391 attached [pid 391] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 391] memfd_create("syzkaller", 0) = 3 [pid 391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./2/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./2/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./2/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./2/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./2/file4") = 0 [pid 286] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./2/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./2") = 0 [pid 286] mkdir("./3", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 392 ./strace-static-x86_64: Process 392 attached [pid 392] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 392] chdir("./3") = 0 [pid 392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 392] setpgid(0, 0) = 0 [pid 392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 392] write(3, "1000", 4) = 4 [pid 392] close(3) = 0 [pid 392] symlink("/dev/binderfs", "./binderfs") = 0 [pid 392] write(1, "executing program\n", 18executing program ) = 18 [pid 392] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 392] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 392] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 392] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[393]}, 88) = 393 [pid 392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 392] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 392] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 393 attached [pid 393] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 393] memfd_create("syzkaller", 0) = 3 [pid 393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./2/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./2/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./2/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./2/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./2/file4") = 0 [pid 284] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./2/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./2") = 0 [pid 284] mkdir("./3", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 394 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./2/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./2/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./2/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./2/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 394 attached [pid 394] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 394] chdir("./3" [pid 285] close(4) = 0 [pid 285] rmdir("./2/file4") = 0 [pid 285] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./2/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./2") = 0 [pid 285] mkdir("./3", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 395 ./strace-static-x86_64: Process 395 attached [pid 395] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 395] chdir("./3") = 0 [pid 395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 395] setpgid(0, 0) = 0 [pid 395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 395] write(3, "1000", 4) = 4 [pid 395] close(3) = 0 [pid 394] <... chdir resumed>) = 0 [pid 394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 395] symlink("/dev/binderfs", "./binderfs" [pid 394] setpgid(0, 0) = 0 [pid 394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 394] write(3, "1000", 4) = 4 [pid 394] close(3) = 0 [pid 394] symlink("/dev/binderfs", "./binderfs" [pid 395] <... symlink resumed>) = 0 [pid 394] <... symlink resumed>) = 0 [pid 394] write(1, "executing program\n", 18executing program ) = 18 [pid 394] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 395] write(1, "executing program\n", 18) = 18 [pid 395] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 395] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 394] <... futex resumed>) = 0 [pid 394] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 395] rt_sigprocmask(SIG_BLOCK, ~[], [pid 394] <... rt_sigaction resumed>NULL, 8) = 0 [pid 394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 395] <... rt_sigprocmask resumed>[], 8) = 0 [pid 395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 395] <... clone3 resumed> => {parent_tid=[396]}, 88) = 396 [pid 395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 395] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 394] <... mmap resumed>) = 0x7fb743ef6000 [pid 394] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 394] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[397]}, 88) = 397 [pid 394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 394] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 396 attached [pid 396] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 396] memfd_create("syzkaller", 0) = 3 [pid 396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 ./strace-static-x86_64: Process 397 attached [pid 397] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 397] memfd_create("syzkaller", 0) = 3 [pid 397] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 391] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 390] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 393] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 391] <... write resumed>) = 20699119 [pid 391] munmap(0x7fb73baf6000, 138412032) = 0 [pid 391] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 391] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 391] close(3) = 0 [pid 391] close(4) = 0 [pid 391] mkdir("./file4", 0777) = 0 [pid 391] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 51.342107][ T391] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 51.365765][ T391] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 51.374349][ T391] F2FS-fs (loop0): fault_injection options not supported [ 51.381724][ T391] F2FS-fs (loop0): fault_type options not supported [pid 396] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [ 51.389420][ T391] F2FS-fs (loop0): invalid crc value [pid 397] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 396] <... write resumed>) = 20699119 [pid 396] munmap(0x7fb73baf6000, 138412032) = 0 [pid 396] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 396] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 396] close(3) = 0 [pid 396] close(4) = 0 [pid 396] mkdir("./file4", 0777) = 0 [ 51.416629][ T391] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 396] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 390] <... write resumed>) = 20699119 [pid 390] munmap(0x7fb73baf6000, 138412032) = 0 [pid 390] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 390] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 390] close(3) = 0 [pid 390] close(4 [pid 393] <... write resumed>) = 20699119 [pid 393] munmap(0x7fb73baf6000, 138412032) = 0 [ 51.468625][ T396] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 51.485465][ T396] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 51.504152][ T396] F2FS-fs (loop2): fault_injection options not supported [ 51.511724][ T396] F2FS-fs (loop2): fault_type options not supported [pid 393] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 390] <... close resumed>) = 0 [pid 393] <... openat resumed>) = 4 [pid 390] mkdir("./file4", 0777 [pid 393] ioctl(4, LOOP_SET_FD, 3 [pid 390] <... mkdir resumed>) = 0 [pid 390] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 393] <... ioctl resumed>) = 0 [pid 393] close(3) = 0 [pid 393] close(4) = 0 [pid 393] mkdir("./file4", 0777) = 0 [ 51.521678][ T396] F2FS-fs (loop2): invalid crc value [ 51.528657][ T396] F2FS-fs (loop2): Found nat_bits in checkpoint [ 51.535436][ T391] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 51.556380][ T390] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 51.563386][ T390] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 393] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 391] <... mount resumed>) = 0 [pid 391] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [ 51.565796][ T391] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 51.575948][ T393] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 51.586586][ T393] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 51.594902][ T393] F2FS-fs (loop3): fault_injection options not supported [ 51.602810][ T393] F2FS-fs (loop3): fault_type options not supported [ 51.610847][ T393] F2FS-fs (loop3): invalid crc value [pid 391] chdir("./file4" [pid 397] <... write resumed>) = 20699119 [pid 397] munmap(0x7fb73baf6000, 138412032 [pid 391] <... chdir resumed>) = 0 [pid 391] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 397] <... munmap resumed>) = 0 [pid 397] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 391] <... openat resumed>) = 4 [pid 391] ioctl(4, LOOP_CLR_FD [pid 397] ioctl(4, LOOP_SET_FD, 3 [pid 391] <... ioctl resumed>) = 0 [pid 391] close(4 [pid 397] <... ioctl resumed>) = 0 [pid 397] close(3) = 0 [pid 397] close(4) = 0 [pid 397] mkdir("./file4", 0777) = 0 [pid 391] <... close resumed>) = 0 [pid 391] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 389] <... futex resumed>) = 0 [pid 397] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 391] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] <... futex resumed>) = 0 [pid 389] <... futex resumed>) = 1 [pid 391] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 389] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 391] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 51.611658][ T390] F2FS-fs (loop4): fault_injection options not supported [ 51.630303][ T390] F2FS-fs (loop4): fault_type options not supported [ 51.646420][ T391] F2FS-fs (loop0): switch discard_unit option is not allowed [ 51.647933][ T396] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 51.661505][ T397] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [pid 391] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 389] <... futex resumed>) = 0 [pid 389] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 389] <... futex resumed>) = 0 [pid 389] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 391] <... symlink resumed>) = 0 [pid 391] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 389] <... futex resumed>) = 0 [pid 391] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] exit_group(0 [pid 391] <... futex resumed>) = ? [pid 389] <... exit_group resumed>) = ? [pid 391] +++ exited with 0 +++ [pid 389] +++ exited with 0 +++ [pid 396] <... mount resumed>) = 0 [pid 396] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=389, si_uid=0, si_status=0, si_utime=8, si_stime=14} --- [pid 396] <... openat resumed>) = 3 [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 396] chdir("./file4") = 0 [pid 396] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 396] ioctl(4, LOOP_CLR_FD) = 0 [pid 396] close(4) = 0 [ 51.665568][ T390] F2FS-fs (loop4): invalid crc value [ 51.676212][ T393] F2FS-fs (loop3): Found nat_bits in checkpoint [ 51.684817][ T396] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 51.685122][ T397] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 51.702051][ T397] F2FS-fs (loop1): fault_injection options not supported [ 51.703516][ T390] F2FS-fs (loop4): Found nat_bits in checkpoint [ 51.709998][ T397] F2FS-fs (loop1): fault_type options not supported [pid 283] <... restart_syscall resumed>) = 0 [pid 396] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 396] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 395] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 283] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./3/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 396] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 396] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 395] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 395] <... futex resumed>) = 0 [pid 395] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... symlink resumed>) = 0 [pid 396] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 396] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 395] exit_group(0) = ? [pid 396] <... futex resumed>) = ? [pid 396] +++ exited with 0 +++ [pid 395] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=395, si_uid=0, si_status=0, si_utime=6, si_stime=21} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 51.725357][ T397] F2FS-fs (loop1): invalid crc value [ 51.731674][ T396] F2FS-fs (loop2): switch discard_unit option is not allowed [ 51.751977][ T397] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 285] umount2("./3/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 397] <... mount resumed>) = 0 [pid 397] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 397] chdir("./file4") = 0 [pid 397] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 397] ioctl(4, LOOP_CLR_FD) = 0 [pid 397] close(4) = 0 [pid 397] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] <... futex resumed>) = 1 [pid 397] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 397] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] <... futex resumed>) = 1 [pid 397] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 397] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] exit_group(0) = ? [pid 397] <... futex resumed>) = ? [pid 397] +++ exited with 0 +++ [pid 394] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=394, si_uid=0, si_status=0, si_utime=10, si_stime=21} --- [pid 284] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 51.806547][ T397] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 51.813869][ T397] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 51.825259][ T397] F2FS-fs (loop1): switch discard_unit option is not allowed [ 51.836178][ T393] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [pid 284] umount2("./3/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 393] <... mount resumed>) = 0 [pid 393] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 393] chdir("./file4") = 0 [pid 393] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 393] ioctl(4, LOOP_CLR_FD [pid 390] <... mount resumed>) = 0 [pid 390] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 390] chdir("./file4") = 0 [ 51.853136][ T393] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 51.853223][ T390] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 51.869609][ T390] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 390] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./3/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 393] <... ioctl resumed>) = 0 [pid 390] <... openat resumed>) = 4 [pid 393] close(4 [pid 390] ioctl(4, LOOP_CLR_FD [pid 393] <... close resumed>) = 0 [pid 390] <... ioctl resumed>) = 0 [pid 393] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] close(4 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 393] <... futex resumed>) = 1 [pid 392] <... futex resumed>) = 0 [pid 390] <... close resumed>) = 0 [pid 283] newfstatat(AT_FDCWD, "./3/file4", [pid 392] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... futex resumed>) = 0 [pid 393] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 392] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 1 [pid 388] <... futex resumed>) = 0 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 390] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 388] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 283] umount2("./3/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 390] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 388] <... futex resumed>) = 0 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 388] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 283] openat(AT_FDCWD, "./3/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./3/file4" [pid 393] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 393] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 392] <... futex resumed>) = 0 [pid 390] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 392] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... futex resumed>) = 0 [pid 392] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 1 [pid 388] <... futex resumed>) = 0 [pid 390] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 388] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 393] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 390] <... symlink resumed>) = 0 [pid 393] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 392] <... futex resumed>) = 0 [pid 390] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] exit_group(0 [pid 390] <... futex resumed>) = 1 [pid 388] <... futex resumed>) = 0 [pid 392] <... exit_group resumed>) = ? [pid 390] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 388] exit_group(0) = ? [pid 390] <... futex resumed>) = ? [pid 393] +++ exited with 0 +++ [pid 392] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=392, si_uid=0, si_status=0, si_utime=9, si_stime=14} --- [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 390] +++ exited with 0 +++ [pid 388] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=388, si_uid=0, si_status=0, si_utime=8, si_stime=26} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] <... restart_syscall resumed>) = 0 [pid 287] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 286] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 287] <... openat resumed>) = 3 [pid 286] <... openat resumed>) = 3 [pid 287] newfstatat(3, "", [pid 286] newfstatat(3, "", [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, [pid 286] getdents64(3, [pid 287] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./3/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] umount2("./3/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... rmdir resumed>) = 0 [ 51.927325][ T393] F2FS-fs (loop3): switch discard_unit option is not allowed [ 51.935465][ T390] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 283] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./3/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./3") = 0 [pid 283] mkdir("./4", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 418 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./3/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./3/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./3/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./3/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, ./strace-static-x86_64: Process 418 attached 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 418] set_robust_list(0x55557d22a6a0, 24 [pid 285] rmdir("./3/file4" [pid 418] <... set_robust_list resumed>) = 0 [pid 418] chdir("./4" [pid 285] <... rmdir resumed>) = 0 [pid 285] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./3/binderfs" [pid 418] <... chdir resumed>) = 0 [pid 418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 285] <... unlink resumed>) = 0 [pid 418] <... prctl resumed>) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3 [pid 418] setpgid(0, 0 [pid 285] <... close resumed>) = 0 [pid 285] rmdir("./3" [pid 418] <... setpgid resumed>) = 0 [pid 418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 285] <... rmdir resumed>) = 0 [pid 285] mkdir("./4", 0777 [pid 418] <... openat resumed>) = 3 [pid 418] write(3, "1000", 4) = 4 [pid 285] <... mkdir resumed>) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 419 [pid 418] close(3) = 0 [pid 418] symlink("/dev/binderfs", "./binderfs") = 0 [pid 418] write(1, "executing program\n", 18executing program ) = 18 [pid 418] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 418] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 ./strace-static-x86_64: Process 419 attached [pid 419] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 419] chdir("./4") = 0 [pid 419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 419] setpgid(0, 0) = 0 [pid 419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 418] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 419] <... openat resumed>) = 3 [pid 419] write(3, "1000", 4 [pid 418] <... mprotect resumed>) = 0 [pid 419] <... write resumed>) = 4 [pid 419] close(3) = 0 [pid 419] symlink("/dev/binderfs", "./binderfs"executing program [pid 418] rt_sigprocmask(SIG_BLOCK, ~[], [pid 419] <... symlink resumed>) = 0 [pid 418] <... rt_sigprocmask resumed>[], 8) = 0 [pid 419] write(1, "executing program\n", 18 [pid 418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 419] <... write resumed>) = 18 [pid 419] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 419] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 418] <... clone3 resumed> => {parent_tid=[420]}, 88) = 420 [pid 419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 418] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 418] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] <... clone3 resumed> => {parent_tid=[421]}, 88) = 421 [pid 419] rt_sigprocmask(SIG_SETMASK, [], [pid 418] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 419] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 420 attached [pid 420] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 420] memfd_create("syzkaller", 0) = 3 [pid 420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 ./strace-static-x86_64: Process 421 attached [pid 421] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 421] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 421] memfd_create("syzkaller", 0) = 3 [pid 421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./3/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./3/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./3/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./3/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./3/file4") = 0 [pid 284] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./3/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./3") = 0 [pid 284] mkdir("./4", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 422 ./strace-static-x86_64: Process 422 attached [pid 422] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 422] chdir("./4") = 0 [pid 422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 422] setpgid(0, 0) = 0 [pid 422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 422] write(3, "1000", 4) = 4 [pid 422] close(3) = 0 [pid 422] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 422] write(1, "executing program\n", 18) = 18 [pid 422] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 422] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 422] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 422] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[423]}, 88) = 423 [pid 422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 422] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 421] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 423 attached [pid 423] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 423] memfd_create("syzkaller", 0) = 3 [pid 423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./3/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./3/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./3/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./3/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./3/file4") = 0 [pid 286] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./3/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./3") = 0 [pid 286] mkdir("./4", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 424 ./strace-static-x86_64: Process 424 attached [pid 424] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 424] chdir("./4") = 0 [pid 424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 424] setpgid(0, 0) = 0 [pid 424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 424] write(3, "1000", 4) = 4 [pid 424] close(3) = 0 [pid 424] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 424] write(1, "executing program\n", 18) = 18 [pid 424] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 424] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 424] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 424] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[425]}, 88) = 425 [pid 424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 424] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 424] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 425 attached [pid 425] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 425] memfd_create("syzkaller", 0) = 3 [pid 425] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 287] <... umount2 resumed>) = 0 [pid 421] <... write resumed>) = 20699119 [pid 287] umount2("./3/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./3/file4", [pid 421] munmap(0x7fb73baf6000, 138412032 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./3/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./3/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 421] <... munmap resumed>) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./3/file4") = 0 [pid 287] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./3/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./3") = 0 [pid 287] mkdir("./4", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 426 [pid 421] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 421] ioctl(4, LOOP_SET_FD, 3 [pid 420] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 426 attached [pid 421] <... ioctl resumed>) = 0 [pid 426] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 426] chdir("./4") = 0 [pid 426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 426] setpgid(0, 0) = 0 [pid 426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 426] write(3, "1000", 4) = 4 [pid 426] close(3 [pid 421] close(3) = 0 [pid 421] close(4) = 0 [pid 421] mkdir("./file4", 0777 [pid 426] <... close resumed>) = 0 [pid 426] symlink("/dev/binderfs", "./binderfs") = 0 [pid 421] <... mkdir resumed>) = 0 [pid 426] write(1, "executing program\n", 18 [pid 421] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"...executing program [pid 426] <... write resumed>) = 18 [pid 426] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 426] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 426] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 426] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 426] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[428]}, 88) = 428 [pid 426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 426] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 428 attached [pid 428] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 428] memfd_create("syzkaller", 0) = 3 [pid 428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 52.341151][ T421] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 52.359092][ T421] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 52.388505][ T421] F2FS-fs (loop2): fault_injection options not supported [pid 420] <... write resumed>) = 20699119 [pid 420] munmap(0x7fb73baf6000, 138412032) = 0 [pid 420] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 420] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 420] close(3) = 0 [pid 420] close(4) = 0 [pid 420] mkdir("./file4", 0777) = 0 [ 52.419358][ T421] F2FS-fs (loop2): fault_type options not supported [ 52.440333][ T421] F2FS-fs (loop2): invalid crc value [ 52.450637][ T420] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 52.469235][ T421] F2FS-fs (loop2): Found nat_bits in checkpoint [ 52.476024][ T420] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [pid 420] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 52.515424][ T420] F2FS-fs (loop0): fault_injection options not supported [ 52.535838][ T420] F2FS-fs (loop0): fault_type options not supported [pid 425] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 423] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 425] <... write resumed>) = 20699119 [pid 425] munmap(0x7fb73baf6000, 138412032) = 0 [pid 425] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 425] ioctl(4, LOOP_SET_FD, 3) = 0 [ 52.575995][ T420] F2FS-fs (loop0): invalid crc value [pid 425] close(3) = 0 [pid 425] close(4 [pid 421] <... mount resumed>) = 0 [pid 421] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 421] chdir("./file4") = 0 [pid 421] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 425] <... close resumed>) = 0 [pid 425] mkdir("./file4", 0777) = 0 [ 52.600403][ T420] F2FS-fs (loop0): Found nat_bits in checkpoint [ 52.611117][ T421] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 52.621091][ T421] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 425] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 421] <... openat resumed>) = 4 [pid 421] ioctl(4, LOOP_CLR_FD) = 0 [pid 421] close(4) = 0 [pid 421] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 421] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 419] <... futex resumed>) = 0 [pid 419] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] <... futex resumed>) = 0 [pid 419] <... futex resumed>) = 1 [pid 421] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 419] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] <... mount resumed>) = 0 [pid 420] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 420] chdir("./file4") = 0 [pid 420] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 420] ioctl(4, LOOP_CLR_FD) = 0 [pid 420] close(4) = 0 [pid 420] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 418] <... futex resumed>) = 0 [pid 418] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 418] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] <... futex resumed>) = 1 [pid 420] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 421] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 421] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 419] <... futex resumed>) = 0 [pid 419] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [ 52.662299][ T420] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 52.672310][ T420] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 52.681589][ T425] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 52.689727][ T421] F2FS-fs (loop2): switch discard_unit option is not allowed [ 52.701589][ T420] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 421] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 419] <... futex resumed>) = 0 [pid 419] exit_group(0) = ? [pid 421] +++ exited with 0 +++ [pid 419] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=419, si_uid=0, si_status=0, si_utime=8, si_stime=16} --- [pid 428] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 420] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 285] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 420] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 420] <... futex resumed>) = 1 [pid 285] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 418] <... futex resumed>) = 0 [pid 285] <... openat resumed>) = 3 [pid 418] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 418] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./4/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 420] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 420] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 420] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 418] <... futex resumed>) = 0 [pid 418] exit_group(0) = ? [pid 420] <... futex resumed>) = ? [ 52.711241][ T425] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 52.723165][ T425] F2FS-fs (loop3): fault_injection options not supported [ 52.731295][ T425] F2FS-fs (loop3): fault_type options not supported [ 52.740643][ T425] F2FS-fs (loop3): invalid crc value [pid 420] +++ exited with 0 +++ [pid 418] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=418, si_uid=0, si_status=0, si_utime=12, si_stime=18} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./4/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 423] <... write resumed>) = 20699119 [pid 423] munmap(0x7fb73baf6000, 138412032) = 0 [pid 423] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 423] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 423] close(3) = 0 [pid 423] close(4) = 0 [pid 423] mkdir("./file4", 0777) = 0 [ 52.759393][ T425] F2FS-fs (loop3): Found nat_bits in checkpoint [ 52.791226][ T423] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 52.801238][ T423] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 52.820769][ T423] F2FS-fs (loop1): fault_injection options not supported [ 52.831269][ T423] F2FS-fs (loop1): fault_type options not supported [pid 423] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 425] <... mount resumed>) = 0 [pid 425] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 425] chdir("./file4") = 0 [pid 425] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 425] ioctl(4, LOOP_CLR_FD) = 0 [pid 425] close(4) = 0 [pid 425] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = 0 [pid 424] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 424] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 425] <... futex resumed>) = 1 [ 52.838879][ T423] F2FS-fs (loop1): invalid crc value [ 52.855953][ T425] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 52.863035][ T425] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 52.871943][ T423] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 425] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./4/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./4/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./4/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./4/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./4/file4") = 0 [pid 285] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 425] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = 0 [pid 424] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 424] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 425] <... futex resumed>) = 1 [pid 425] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./4/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./4") = 0 [pid 285] mkdir("./5", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 425] <... symlink resumed>) = 0 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3 [pid 425] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = 0 [pid 424] exit_group(0) = ? [pid 285] <... close resumed>) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 443 [pid 425] <... futex resumed>) = ? [pid 425] +++ exited with 0 +++ [pid 424] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=424, si_uid=0, si_status=0, si_utime=10, si_stime=18} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 443 attached [pid 443] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 443] chdir("./5") = 0 [pid 443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 286] <... restart_syscall resumed>) = 0 [pid 286] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./4/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 443] setpgid(0, 0) = 0 [pid 443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 443] write(3, "1000", 4) = 4 [pid 443] close(3) = 0 [pid 443] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 443] write(1, "executing program\n", 18) = 18 [pid 443] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 443] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 443] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[444]}, 88) = 444 [pid 443] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 443] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 428] <... write resumed>) = 20699119 ./strace-static-x86_64: Process 444 attached [pid 444] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 428] munmap(0x7fb73baf6000, 138412032 [pid 444] memfd_create("syzkaller", 0) = 3 [pid 444] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 428] <... munmap resumed>) = 0 [ 52.916633][ T425] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 428] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 428] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 428] close(3) = 0 [pid 428] close(4) = 0 [pid 428] mkdir("./file4", 0777) = 0 [pid 428] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 423] <... mount resumed>) = 0 [pid 423] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 423] chdir("./file4") = 0 [pid 423] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./4/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./4/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./4/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./4/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./4/file4") = 0 [pid 283] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./4/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./4") = 0 [pid 283] mkdir("./5", 0777) = 0 [ 53.033809][ T423] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 53.043594][ T423] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 444] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 423] <... openat resumed>) = 4 [pid 283] <... openat resumed>) = 3 [pid 423] ioctl(4, LOOP_CLR_FD [pid 444] munmap(0x7fb73baf6000, 138412032) = 0 [pid 444] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 444] ioctl(4, LOOP_SET_FD, 3 [pid 283] ioctl(3, LOOP_CLR_FD [pid 444] <... ioctl resumed>) = 0 [pid 444] close(3) = 0 [pid 444] close(4 [pid 423] <... ioctl resumed>) = 0 [pid 283] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 444] <... close resumed>) = 0 [pid 423] close(4 [ 53.154003][ T428] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 53.165166][ T428] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 53.173818][ T428] F2FS-fs (loop4): fault_injection options not supported [ 53.187590][ T444] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 53.194589][ T444] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [pid 283] close(3executing program [pid 444] mkdir("./file4", 0777 [pid 423] <... close resumed>) = 0 [pid 283] <... close resumed>) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 444] <... mkdir resumed>) = 0 [pid 423] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 423] <... futex resumed>) = 1 [pid 422] <... futex resumed>) = 0 ./strace-static-x86_64: Process 448 attached [pid 448] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 448] chdir("./5") = 0 [pid 448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 448] setpgid(0, 0) = 0 [pid 448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 448] write(3, "1000", 4) = 4 [pid 448] close(3) = 0 [pid 448] symlink("/dev/binderfs", "./binderfs") = 0 [pid 448] write(1, "executing program\n", 18) = 18 [pid 448] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 448] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 448] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 448] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[449]}, 88) = 449 [pid 448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 448] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 448] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 449 attached [pid 449] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 449] memfd_create("syzkaller", 0) = 3 [pid 449] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 422] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 448 [pid 423] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 423] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 422] <... futex resumed>) = 0 [pid 423] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 422] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 53.203352][ T423] F2FS-fs (loop1): switch discard_unit option is not allowed [ 53.224589][ T428] F2FS-fs (loop4): fault_type options not supported [ 53.233068][ T428] F2FS-fs (loop4): invalid crc value [ 53.242900][ T423] handle_bad_sector: 35 callbacks suppressed [ 53.242913][ T423] attempt to access beyond end of device [pid 423] <... symlink resumed>) = 0 [pid 422] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 423] <... futex resumed>) = 0 [pid 422] exit_group(0) = ? [pid 423] +++ exited with 0 +++ [pid 422] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=422, si_uid=0, si_status=0, si_utime=9, si_stime=21} --- [pid 284] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./4/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./4/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./4/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 53.242913][ T423] loop1: rw=2049, want=53256, limit=40427 [ 53.248832][ T444] F2FS-fs (loop2): fault_injection options not supported [ 53.268143][ T444] F2FS-fs (loop2): fault_type options not supported [ 53.275972][ T444] F2FS-fs (loop2): invalid crc value [ 53.283294][ T428] F2FS-fs (loop4): Found nat_bits in checkpoint [ 53.289863][ T284] attempt to access beyond end of device [ 53.289863][ T284] loop1: rw=2049, want=45104, limit=40427 [pid 286] umount2("./4/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./4/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./4/file4") = 0 [pid 286] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./4/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./4") = 0 [pid 286] mkdir("./5", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3 [pid 428] <... mount resumed>) = 0 [pid 428] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 428] chdir("./file4") = 0 [pid 428] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 428] ioctl(4, LOOP_CLR_FD) = 0 [pid 428] close(4) = 0 [pid 428] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 426] <... futex resumed>) = 0 [pid 428] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 426] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 286] <... close resumed>) = 0 [pid 426] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 428] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 428] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] <... futex resumed>) = 0 [pid 426] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 428] <... futex resumed>) = 1 [pid 428] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [ 53.323566][ T444] F2FS-fs (loop2): Found nat_bits in checkpoint [ 53.339472][ T428] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 53.346835][ T428] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 53.355644][ T428] F2FS-fs (loop4): switch discard_unit option is not allowed [ 53.366467][ T428] attempt to access beyond end of device [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 455 ./strace-static-x86_64: Process 455 attached [pid 455] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 455] chdir("./5") = 0 [pid 455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 455] setpgid(0, 0) = 0 [pid 455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 455] write(3, "1000", 4) = 4 [pid 455] close(3) = 0 [pid 455] symlink("/dev/binderfs", "./binderfs") = 0 [pid 455] write(1, "executing program\n", 18) = 18 executing program [pid 455] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 455] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 455] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[456]}, 88) = 456 [pid 455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 455] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 456 attached [pid 456] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 456] memfd_create("syzkaller", 0) = 3 [pid 456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 428] <... symlink resumed>) = 0 [pid 428] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] <... futex resumed>) = 0 [pid 426] exit_group(0) = ? [pid 428] <... futex resumed>) = ? [pid 428] +++ exited with 0 +++ [pid 426] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=426, si_uid=0, si_status=0, si_utime=9, si_stime=19} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 53.366467][ T428] loop4: rw=2049, want=53256, limit=40427 [ 53.401144][ T287] attempt to access beyond end of device [ 53.401144][ T287] loop4: rw=2049, want=45104, limit=40427 [pid 287] umount2("./4/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 449] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 444] <... mount resumed>) = 0 [pid 444] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 444] chdir("./file4") = 0 [pid 444] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 53.495276][ T444] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 53.505294][ T444] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 444] ioctl(4, LOOP_CLR_FD) = 0 [pid 444] close(4) = 0 [pid 444] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 443] <... futex resumed>) = 0 [pid 443] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 443] <... futex resumed>) = 0 [pid 443] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 444] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 444] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] <... futex resumed>) = 0 [pid 444] <... futex resumed>) = 1 [pid 443] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 444] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 443] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./4/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./4/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./4/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./4/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./4/file4") = 0 [pid 284] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./4/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./4") = 0 [pid 284] mkdir("./5", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 458 [pid 456] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 458 attached [pid 458] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 458] chdir("./5") = 0 [pid 458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 458] setpgid(0, 0) = 0 [pid 458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 458] write(3, "1000", 4) = 4 [pid 458] close(3) = 0 [pid 458] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 458] write(1, "executing program\n", 18) = 18 [pid 458] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 458] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[459]}, 88) = 459 [pid 458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 458] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 459 attached [pid 459] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 459] memfd_create("syzkaller", 0) = 3 [pid 459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 444] <... symlink resumed>) = 0 [pid 444] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 443] <... futex resumed>) = 0 [pid 443] exit_group(0 [pid 444] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 (errno 18446744073709551414) [pid 443] <... exit_group resumed>) = ? [pid 444] +++ exited with 0 +++ [pid 443] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=443, si_uid=0, si_status=0, si_utime=5, si_stime=17} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 53.563907][ T444] F2FS-fs (loop2): switch discard_unit option is not allowed [ 53.584139][ T444] attempt to access beyond end of device [ 53.584139][ T444] loop2: rw=2049, want=53256, limit=40427 [pid 285] umount2("./5/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 449] <... write resumed>) = 20699119 [pid 449] munmap(0x7fb73baf6000, 138412032) = 0 [pid 449] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 53.641115][ T285] attempt to access beyond end of device [ 53.641115][ T285] loop2: rw=2049, want=45104, limit=40427 [pid 449] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 449] close(3 [pid 287] <... umount2 resumed>) = 0 [pid 449] <... close resumed>) = 0 [pid 449] close(4) = 0 [pid 449] mkdir("./file4", 0777) = 0 [pid 449] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] umount2("./4/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./4/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./4/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./4/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./4/file4") = 0 [pid 287] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./4/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./4") = 0 [pid 287] mkdir("./5", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [ 53.717920][ T449] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 53.755936][ T449] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 461 ./strace-static-x86_64: Process 461 attached [pid 461] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 461] chdir("./5") = 0 [pid 461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 461] setpgid(0, 0) = 0 [pid 461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 461] write(3, "1000", 4) = 4 [pid 461] close(3) = 0 [pid 461] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 461] write(1, "executing program\n", 18) = 18 [pid 461] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 461] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[462]}, 88) = 462 [pid 461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 461] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 462 attached [pid 462] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 462] memfd_create("syzkaller", 0) = 3 [pid 462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 456] <... write resumed>) = 20699119 [pid 456] munmap(0x7fb73baf6000, 138412032) = 0 [pid 456] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 459] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 456] <... openat resumed>) = 4 [ 53.764461][ T449] F2FS-fs (loop0): fault_injection options not supported [ 53.771870][ T449] F2FS-fs (loop0): fault_type options not supported [ 53.782840][ T449] F2FS-fs (loop0): invalid crc value [ 53.796844][ T449] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 456] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 456] close(3) = 0 [pid 456] close(4) = 0 [pid 456] mkdir("./file4", 0777) = 0 [pid 456] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./5/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./5/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./5/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./5/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./5/file4") = 0 [pid 285] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./5/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./5") = 0 [pid 285] mkdir("./6", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 466 [ 53.860159][ T456] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 53.877985][ T456] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock ./strace-static-x86_64: Process 466 attached [pid 466] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 466] chdir("./6") = 0 [pid 466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 466] setpgid(0, 0) = 0 [pid 466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 466] write(3, "1000", 4) = 4 [pid 466] close(3) = 0 [pid 466] symlink("/dev/binderfs", "./binderfs") = 0 [pid 466] write(1, "executing program\n", 18executing program ) = 18 [pid 466] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 466] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 466] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 466] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 466] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[467]}, 88) = 467 [pid 466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 466] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 466] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 467 attached [pid 467] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 467] memfd_create("syzkaller", 0) = 3 [pid 467] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 53.904417][ T456] F2FS-fs (loop3): fault_injection options not supported [ 53.922246][ T456] F2FS-fs (loop3): fault_type options not supported [ 53.929726][ T449] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 53.947281][ T449] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 449] <... mount resumed>) = 0 [pid 449] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 449] chdir("./file4") = 0 [pid 449] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 449] ioctl(4, LOOP_CLR_FD) = 0 [pid 449] close(4) = 0 [pid 449] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = 0 [pid 448] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 448] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] <... futex resumed>) = 1 [pid 449] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 449] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = 0 [pid 448] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 448] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] <... futex resumed>) = 1 [pid 449] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 462] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 449] <... symlink resumed>) = 0 [pid 449] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = 0 [pid 448] exit_group(0) = ? [pid 449] <... futex resumed>) = ? [pid 449] +++ exited with 0 +++ [pid 448] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=448, si_uid=0, si_status=0, si_utime=10, si_stime=15} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 53.975985][ T456] F2FS-fs (loop3): invalid crc value [ 53.986745][ T449] F2FS-fs (loop0): switch discard_unit option is not allowed [ 54.005706][ T449] attempt to access beyond end of device [ 54.005706][ T449] loop0: rw=2049, want=53256, limit=40427 [ 54.018559][ T456] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 283] umount2("./5/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 459] <... write resumed>) = 20699119 [pid 459] munmap(0x7fb73baf6000, 138412032) = 0 [pid 459] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 459] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 459] close(3) = 0 [pid 459] close(4) = 0 [ 54.051837][ T283] attempt to access beyond end of device [ 54.051837][ T283] loop0: rw=2049, want=45104, limit=40427 [pid 459] mkdir("./file4", 0777) = 0 [pid 459] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 456] <... mount resumed>) = 0 [pid 456] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 456] chdir("./file4") = 0 [pid 456] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 456] ioctl(4, LOOP_CLR_FD) = 0 [pid 456] close(4) = 0 [pid 456] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] <... futex resumed>) = 1 [pid 456] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 456] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] <... futex resumed>) = 1 [ 54.097492][ T456] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 54.107112][ T459] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 54.114108][ T459] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 54.115425][ T456] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 54.131649][ T456] F2FS-fs (loop3): switch discard_unit option is not allowed [ 54.140843][ T456] attempt to access beyond end of device [pid 456] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 456] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... futex resumed>) = 0 [pid 455] exit_group(0) = ? [pid 456] <... futex resumed>) = ? [pid 456] +++ exited with 0 +++ [pid 455] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=455, si_uid=0, si_status=0, si_utime=5, si_stime=26} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 54.140843][ T456] loop3: rw=2049, want=53256, limit=40427 [ 54.154757][ T459] F2FS-fs (loop1): fault_injection options not supported [ 54.162253][ T459] F2FS-fs (loop1): fault_type options not supported [ 54.169369][ T286] attempt to access beyond end of device [ 54.169369][ T286] loop3: rw=2049, want=45104, limit=40427 [ 54.170382][ T459] F2FS-fs (loop1): invalid crc value [pid 286] umount2("./5/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 462] <... write resumed>) = 20699119 [pid 462] munmap(0x7fb73baf6000, 138412032) = 0 [pid 462] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 462] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 462] close(3) = 0 [pid 462] close(4) = 0 [pid 462] mkdir("./file4", 0777) = 0 [ 54.227447][ T459] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 462] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 467] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 459] <... mount resumed>) = 0 [pid 459] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 459] chdir("./file4") = 0 [pid 459] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 459] ioctl(4, LOOP_CLR_FD) = 0 [pid 459] close(4) = 0 [ 54.273339][ T462] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 54.281920][ T459] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 54.290647][ T459] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 54.300453][ T462] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 54.309307][ T462] F2FS-fs (loop4): fault_injection options not supported [pid 459] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 458] <... futex resumed>) = 0 [pid 459] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 458] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 283] <... umount2 resumed>) = 0 [pid 459] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 459] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 458] <... futex resumed>) = 0 [pid 458] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 459] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 459] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 283] umount2("./5/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 459] <... futex resumed>) = 1 [pid 458] <... futex resumed>) = 0 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 458] exit_group(0 [pid 283] newfstatat(AT_FDCWD, "./5/file4", [pid 458] <... exit_group resumed>) = ? [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./5/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./5/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./5/file4") = 0 [pid 283] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./5/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./5") = 0 [pid 283] mkdir("./6", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 459] +++ exited with 0 +++ [pid 458] +++ exited with 0 +++ [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=458, si_uid=0, si_status=0, si_utime=7, si_stime=21} --- [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 477 [pid 284] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 477 attached [pid 477] set_robust_list(0x55557d22a6a0, 24) = 0 [ 54.329667][ T459] F2FS-fs (loop1): switch discard_unit option is not allowed [ 54.355797][ T462] F2FS-fs (loop4): fault_type options not supported [pid 477] chdir("./6") = 0 [pid 477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 477] setpgid(0, 0) = 0 [pid 477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 477] write(3, "1000", 4) = 4 [pid 477] close(3) = 0 [pid 477] symlink("/dev/binderfs", "./binderfs") = 0 [pid 477] write(1, "executing program\n", 18executing program [pid 284] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./5/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 477] <... write resumed>) = 18 [pid 477] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 477] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 477] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 477] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 477] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[478]}, 88) = 478 [pid 477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 477] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 477] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 478 attached [pid 478] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 478] memfd_create("syzkaller", 0) = 3 [pid 478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 54.383669][ T462] F2FS-fs (loop4): invalid crc value [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./5/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./5/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./5/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./5/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./5/file4") = 0 [pid 286] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./5/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./5") = 0 [pid 286] mkdir("./6", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 481 ./strace-static-x86_64: Process 481 attached [pid 481] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 481] chdir("./6") = 0 [pid 481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 481] setpgid(0, 0) = 0 [pid 481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 481] write(3, "1000", 4) = 4 [pid 481] close(3) = 0 [pid 481] symlink("/dev/binderfs", "./binderfs") = 0 [pid 481] write(1, "executing program\n", 18executing program ) = 18 [pid 481] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 481] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 481] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 481] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 481] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[482]}, 88) = 482 [pid 481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 481] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 481] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 467] <... write resumed>) = 20699119 ./strace-static-x86_64: Process 482 attached [pid 467] munmap(0x7fb73baf6000, 138412032) = 0 [pid 482] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 467] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 467] <... openat resumed>) = 4 [pid 482] memfd_create("syzkaller", 0 [pid 467] ioctl(4, LOOP_SET_FD, 3 [pid 482] <... memfd_create resumed>) = 3 [pid 482] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 54.436722][ T462] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 467] <... ioctl resumed>) = 0 [pid 467] close(3) = 0 [pid 467] close(4) = 0 [pid 467] mkdir("./file4", 0777) = 0 [pid 467] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 54.539960][ T462] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 54.550590][ T467] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 54.558709][ T467] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 54.579453][ T462] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 478] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 462] <... mount resumed>) = 0 [pid 284] <... umount2 resumed>) = 0 [pid 462] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 284] umount2("./5/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 462] <... openat resumed>) = 3 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 462] chdir("./file4" [pid 284] newfstatat(AT_FDCWD, "./5/file4", [pid 462] <... chdir resumed>) = 0 [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 462] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 284] umount2("./5/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 462] <... openat resumed>) = 4 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 462] ioctl(4, LOOP_CLR_FD [pid 284] openat(AT_FDCWD, "./5/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 462] <... ioctl resumed>) = 0 [pid 462] close(4 [pid 284] <... openat resumed>) = 4 [pid 462] <... close resumed>) = 0 [pid 284] newfstatat(4, "", [pid 462] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 462] <... futex resumed>) = 1 [pid 461] <... futex resumed>) = 0 [pid 284] getdents64(4, [pid 462] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 461] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 461] <... futex resumed>) = 0 [pid 462] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 284] getdents64(4, [pid 461] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 284] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./5/file4") = 0 [pid 284] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./5/binderfs") = 0 [pid 284] getdents64(3, [pid 462] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 284] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 462] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] close(3 [pid 462] <... futex resumed>) = 1 [pid 461] <... futex resumed>) = 0 [pid 284] <... close resumed>) = 0 [pid 461] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] rmdir("./5" [pid 462] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 461] <... futex resumed>) = 0 [pid 284] <... rmdir resumed>) = 0 [pid 461] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 284] mkdir("./6", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 462] <... symlink resumed>) = 0 [pid 284] ioctl(3, LOOP_CLR_FD [pid 462] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 284] close(3 [pid 462] <... futex resumed>) = 1 [pid 461] <... futex resumed>) = 0 [pid 284] <... close resumed>) = 0 [pid 462] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 461] exit_group(0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 461] <... exit_group resumed>) = ? [pid 462] <... futex resumed>) = ? [pid 284] <... clone resumed>, child_tidptr=0x55557d22a690) = 485 [pid 462] +++ exited with 0 +++ [pid 461] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=461, si_uid=0, si_status=0, si_utime=10, si_stime=18} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./5/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 485 attached [pid 485] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 485] chdir("./6") = 0 [pid 485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 485] setpgid(0, 0) = 0 [pid 485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 485] write(3, "1000", 4) = 4 [pid 485] close(3) = 0 [pid 485] symlink("/dev/binderfs", "./binderfs") = 0 [pid 485] write(1, "executing program\n", 18executing program ) = 18 [pid 485] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 485] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 485] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[486]}, 88) = 486 [pid 485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 485] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 54.609539][ T467] F2FS-fs (loop2): fault_injection options not supported [ 54.622484][ T462] F2FS-fs (loop4): switch discard_unit option is not allowed [ 54.645000][ T467] F2FS-fs (loop2): fault_type options not supported [pid 485] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 486 attached [pid 486] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 486] memfd_create("syzkaller", 0) = 3 [pid 486] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 54.689707][ T467] F2FS-fs (loop2): invalid crc value [ 54.707607][ T467] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 482] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 478] <... write resumed>) = 20699119 [pid 478] munmap(0x7fb73baf6000, 138412032) = 0 [pid 478] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 478] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 478] close(3) = 0 [pid 478] close(4) = 0 [pid 478] mkdir("./file4", 0777) = 0 [pid 478] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 467] <... mount resumed>) = 0 [ 54.792098][ T467] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 54.801613][ T467] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 54.814985][ T478] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [pid 467] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./5/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./5/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 467] <... openat resumed>) = 3 [pid 467] chdir("./file4" [pid 287] umount2("./5/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./5/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 467] <... chdir resumed>) = 0 [pid 287] newfstatat(4, "", [pid 467] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 467] ioctl(4, LOOP_CLR_FD) = 0 [pid 287] getdents64(4, [pid 467] close(4) = 0 [pid 287] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 467] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] getdents64(4, [pid 467] <... futex resumed>) = 1 [pid 466] <... futex resumed>) = 0 [pid 287] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 467] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 466] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] close(4 [pid 467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 466] <... futex resumed>) = 0 [pid 467] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 466] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 287] <... close resumed>) = 0 [pid 287] rmdir("./5/file4") = 0 [pid 287] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./5/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./5") = 0 [pid 287] mkdir("./6", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 491 [pid 467] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 491 attached [ 54.845956][ T478] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 54.865327][ T467] F2FS-fs (loop2): switch discard_unit option is not allowed [ 54.886197][ T478] F2FS-fs (loop0): fault_injection options not supported [pid 467] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 466] <... futex resumed>) = 0 [pid 491] set_robust_list(0x55557d22a6a0, 24 [pid 467] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 466] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 491] <... set_robust_list resumed>) = 0 [pid 467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 466] <... futex resumed>) = 0 [pid 491] chdir("./6" [pid 467] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 466] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 467] <... symlink resumed>) = 0 [pid 491] <... chdir resumed>) = 0 [pid 467] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 467] <... futex resumed>) = 1 [pid 466] <... futex resumed>) = 0 [pid 491] <... prctl resumed>) = 0 [pid 467] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 466] exit_group(0 [pid 491] setpgid(0, 0 [pid 467] <... futex resumed>) = ? [pid 466] <... exit_group resumed>) = ? [pid 491] <... setpgid resumed>) = 0 [pid 467] +++ exited with 0 +++ [pid 466] +++ exited with 0 +++ [pid 491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=466, si_uid=0, si_status=0, si_utime=8, si_stime=19} --- [pid 491] write(3, "1000", 4 [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 491] <... write resumed>) = 4 [pid 491] close(3) = 0 [pid 491] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 491] write(1, "executing program\n", 18) = 18 [pid 491] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 491] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 482] <... write resumed>) = 20699119 [pid 491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 482] munmap(0x7fb73baf6000, 138412032 [pid 491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 482] <... munmap resumed>) = 0 [pid 491] <... mmap resumed>) = 0x7fb743ef6000 [pid 285] <... restart_syscall resumed>) = 0 [pid 491] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 482] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 491] <... mprotect resumed>) = 0 [pid 482] <... openat resumed>) = 4 [pid 491] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 482] ioctl(4, LOOP_SET_FD, 3 [pid 285] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 491] <... clone3 resumed> => {parent_tid=[492]}, 88) = 492 [pid 491] rt_sigprocmask(SIG_SETMASK, [], [pid 482] <... ioctl resumed>) = 0 [pid 285] <... openat resumed>) = 3 [pid 491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 285] newfstatat(3, "", [pid 491] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 482] close(3 [pid 491] <... futex resumed>) = 0 [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 491] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 482] <... close resumed>) = 0 [pid 285] getdents64(3, [pid 482] close(4) = 0 [pid 285] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 482] mkdir("./file4", 0777 [pid 285] umount2("./6/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 482] <... mkdir resumed>) = 0 [pid 482] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 486] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 492 attached [pid 492] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 492] memfd_create("syzkaller", 0) = 3 [pid 492] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 54.893279][ T478] F2FS-fs (loop0): fault_type options not supported [ 54.915104][ T478] F2FS-fs (loop0): invalid crc value [ 54.926064][ T482] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 54.933044][ T482] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 54.973451][ T478] F2FS-fs (loop0): Found nat_bits in checkpoint [ 54.983187][ T482] F2FS-fs (loop3): fault_injection options not supported [ 55.012677][ T482] F2FS-fs (loop3): fault_type options not supported [ 55.032110][ T482] F2FS-fs (loop3): invalid crc value [ 55.040597][ T478] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 55.060941][ T478] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 478] <... mount resumed>) = 0 [pid 478] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 478] chdir("./file4") = 0 [pid 478] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 478] ioctl(4, LOOP_CLR_FD) = 0 [pid 492] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 478] close(4) = 0 [pid 478] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = 0 [pid 477] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 477] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] <... futex resumed>) = 1 [ 55.076535][ T482] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 478] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 478] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = 0 [pid 477] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 477] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] <... futex resumed>) = 1 [pid 478] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 478] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = 0 [pid 477] exit_group(0) = ? [pid 478] <... futex resumed>) = ? [pid 478] +++ exited with 0 +++ [pid 477] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=477, si_uid=0, si_status=0, si_utime=8, si_stime=21} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 486] <... write resumed>) = 20699119 [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./6/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 486] munmap(0x7fb73baf6000, 138412032) = 0 [pid 486] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 486] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 486] close(3) = 0 [pid 486] close(4) = 0 [pid 486] mkdir("./file4", 0777) = 0 [ 55.121776][ T478] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 486] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./6/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./6/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./6/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 55.179750][ T486] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 55.198727][ T486] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 55.207383][ T482] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 55.214610][ T482] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 55.217548][ T486] F2FS-fs (loop1): fault_injection options not supported [pid 285] openat(AT_FDCWD, "./6/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./6/file4") = 0 [pid 285] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./6/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./6") = 0 [pid 482] <... mount resumed>) = 0 [pid 482] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 482] chdir("./file4") = 0 [pid 482] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 482] ioctl(4, LOOP_CLR_FD) = 0 [pid 482] close(4) = 0 [pid 482] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 481] <... futex resumed>) = 0 [pid 482] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 481] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 482] <... futex resumed>) = 0 [pid 481] <... futex resumed>) = 1 [pid 482] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 481] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 285] mkdir("./7", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 502 ./strace-static-x86_64: Process 502 attached [pid 502] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 502] chdir("./7") = 0 [pid 502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 502] setpgid(0, 0) = 0 [pid 502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 502] write(3, "1000", 4) = 4 [pid 502] close(3) = 0 [pid 502] symlink("/dev/binderfs", "./binderfs") = 0 [pid 502] write(1, "executing program\n", 18executing program ) = 18 [pid 502] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 502] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 502] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 502] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 502] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[504]}, 88) = 504 [pid 502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 502] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 502] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 504 attached [pid 504] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 504] rt_sigprocmask(SIG_SETMASK, [], [pid 482] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 492] <... write resumed>) = 20699119 [pid 504] memfd_create("syzkaller", 0 [pid 492] munmap(0x7fb73baf6000, 138412032 [pid 482] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] <... futex resumed>) = 0 [pid 481] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 481] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 482] <... futex resumed>) = 1 [pid 482] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 492] <... munmap resumed>) = 0 [pid 492] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 504] <... memfd_create resumed>) = 3 [pid 482] <... symlink resumed>) = 0 [pid 504] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 482] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] <... futex resumed>) = 0 [pid 481] exit_group(0) = ? [pid 482] <... futex resumed>) = ? [pid 482] +++ exited with 0 +++ [pid 481] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=481, si_uid=0, si_status=0, si_utime=10, si_stime=18} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 55.229412][ T486] F2FS-fs (loop1): fault_type options not supported [ 55.237159][ T486] F2FS-fs (loop1): invalid crc value [ 55.246290][ T482] F2FS-fs (loop3): switch discard_unit option is not allowed [ 55.263215][ T486] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 286] umount2("./6/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 492] <... openat resumed>) = 4 [pid 492] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 492] close(3) = 0 [pid 492] close(4) = 0 [pid 492] mkdir("./file4", 0777) = 0 [ 55.332107][ T492] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 55.347145][ T486] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 55.354524][ T492] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 55.363193][ T486] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 492] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 486] <... mount resumed>) = 0 [pid 486] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 486] chdir("./file4") = 0 [pid 486] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 486] ioctl(4, LOOP_CLR_FD) = 0 [pid 486] close(4) = 0 [pid 486] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 485] <... futex resumed>) = 0 [pid 486] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 485] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 485] <... futex resumed>) = 0 [pid 486] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 485] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 504] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 486] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 486] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 486] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 485] <... futex resumed>) = 0 [pid 485] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 486] <... futex resumed>) = 0 [pid 485] <... futex resumed>) = 1 [pid 486] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 485] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 486] <... symlink resumed>) = 0 [pid 486] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 485] <... futex resumed>) = 0 [pid 486] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 55.401870][ T492] F2FS-fs (loop4): fault_injection options not supported [ 55.422977][ T486] F2FS-fs (loop1): switch discard_unit option is not allowed [ 55.437414][ T492] F2FS-fs (loop4): fault_type options not supported [pid 485] exit_group(0 [pid 486] <... futex resumed>) = ? [pid 485] <... exit_group resumed>) = ? [pid 486] +++ exited with 0 +++ [pid 485] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=485, si_uid=0, si_status=0, si_utime=10, si_stime=16} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./6/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./6/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 55.456384][ T492] F2FS-fs (loop4): invalid crc value [pid 504] <... write resumed>) = 20699119 [pid 504] munmap(0x7fb73baf6000, 138412032) = 0 [pid 283] newfstatat(AT_FDCWD, "./6/file4", [pid 504] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 504] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 504] close(3) = 0 [pid 504] close(4) = 0 [pid 504] mkdir("./file4", 0777 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 504] <... mkdir resumed>) = 0 [pid 504] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] umount2("./6/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./6/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./6/file4") = 0 [pid 283] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./6/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./6") = 0 [pid 283] mkdir("./7", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [ 55.499411][ T492] F2FS-fs (loop4): Found nat_bits in checkpoint [ 55.510688][ T504] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 55.518366][ T504] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 55.529367][ T504] F2FS-fs (loop2): fault_injection options not supported [ 55.538233][ T504] F2FS-fs (loop2): fault_type options not supported [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 510 ./strace-static-x86_64: Process 510 attached [pid 510] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 510] chdir("./7") = 0 [pid 510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 510] setpgid(0, 0) = 0 [pid 510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 510] write(3, "1000", 4) = 4 [pid 510] close(3) = 0 [pid 510] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 510] write(1, "executing program\n", 18) = 18 [pid 510] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 510] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 510] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 510] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[512]}, 88) = 512 [pid 510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 510] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 510] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 512 attached [pid 512] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 512] memfd_create("syzkaller", 0) = 3 [pid 512] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 55.551041][ T504] F2FS-fs (loop2): invalid crc value [pid 492] <... mount resumed>) = 0 [pid 492] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 492] chdir("./file4") = 0 [pid 492] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 492] ioctl(4, LOOP_CLR_FD) = 0 [pid 492] close(4) = 0 [pid 492] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 491] <... futex resumed>) = 0 [pid 491] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 491] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 55.584560][ T504] F2FS-fs (loop2): Found nat_bits in checkpoint [ 55.591228][ T492] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 55.611568][ T492] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 492] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 286] <... umount2 resumed>) = 0 [pid 492] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 491] <... futex resumed>) = 0 [pid 491] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 491] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 492] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 492] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 491] <... futex resumed>) = 0 [pid 491] exit_group(0) = ? [pid 492] +++ exited with 0 +++ [pid 491] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=491, si_uid=0, si_status=0, si_utime=9, si_stime=22} --- [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 286] umount2("./6/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./6/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./6/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./6/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./6/file4") = 0 [pid 286] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] <... restart_syscall resumed>) = 0 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./6/binderfs", [pid 287] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./6/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./6/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./6") = 0 [pid 286] mkdir("./7", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 516 [ 55.638285][ T492] F2FS-fs (loop4): switch discard_unit option is not allowed [ 55.662094][ T504] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 ./strace-static-x86_64: Process 516 attached [pid 516] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 516] chdir("./7") = 0 [pid 516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 516] setpgid(0, 0) = 0 [pid 516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 516] write(3, "1000", 4) = 4 [pid 516] close(3) = 0 [pid 516] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 516] write(1, "executing program\n", 18) = 18 [pid 516] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 516] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 516] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 516] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 516] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[517]}, 88) = 517 [pid 516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 516] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 516] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 517 attached [pid 517] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 517] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 517] memfd_create("syzkaller", 0) = 3 [pid 517] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 504] <... mount resumed>) = 0 [pid 504] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 504] chdir("./file4") = 0 [pid 504] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 504] ioctl(4, LOOP_CLR_FD) = 0 [pid 504] close(4) = 0 [pid 504] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 504] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 502] <... futex resumed>) = 0 [pid 502] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 504] <... futex resumed>) = 0 [ 55.694181][ T504] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 504] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 502] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 504] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 504] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 504] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 502] <... futex resumed>) = 0 [pid 502] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 504] <... futex resumed>) = 0 [pid 502] <... futex resumed>) = 1 [pid 504] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 502] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 504] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 504] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 502] exit_group(0 [pid 504] <... futex resumed>) = ? [pid 504] +++ exited with 0 +++ [pid 502] <... exit_group resumed>) = ? [pid 502] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=10, si_stime=17} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./7/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 55.755371][ T504] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 512] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./6/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./6/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./6/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./6/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./6/file4") = 0 [pid 284] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./6/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./6") = 0 [pid 284] mkdir("./7", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 518 ./strace-static-x86_64: Process 518 attached [pid 518] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 518] chdir("./7") = 0 [pid 518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 518] setpgid(0, 0) = 0 [pid 518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 518] write(3, "1000", 4) = 4 [pid 518] close(3) = 0 [pid 518] symlink("/dev/binderfs", "./binderfs") = 0 [pid 518] write(1, "executing program\n", 18executing program ) = 18 [pid 518] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 518] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 518] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 518] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 518] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[519]}, 88) = 519 [pid 518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 518] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 518] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 519 attached [pid 519] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 519] memfd_create("syzkaller", 0) = 3 [pid 519] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./6/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./6/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./6/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./6/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./6/file4") = 0 [pid 287] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./6/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./6") = 0 [pid 287] mkdir("./7", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 520 ./strace-static-x86_64: Process 520 attached [pid 520] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 520] chdir("./7") = 0 [pid 520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 520] setpgid(0, 0) = 0 [pid 520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 520] write(3, "1000", 4) = 4 [pid 520] close(3) = 0 [pid 520] symlink("/dev/binderfs", "./binderfs") = 0 [pid 520] write(1, "executing program\n", 18executing program ) = 18 [pid 520] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 520] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 520] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 520] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 520] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[521]}, 88) = 521 [pid 520] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 520] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 520] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 521 attached [pid 512] <... write resumed>) = 20699119 [pid 512] munmap(0x7fb73baf6000, 138412032) = 0 [pid 512] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 521] set_robust_list(0x7fb743f169a0, 24 [pid 512] <... openat resumed>) = 4 [pid 521] <... set_robust_list resumed>) = 0 [pid 512] ioctl(4, LOOP_SET_FD, 3 [pid 521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 521] memfd_create("syzkaller", 0) = 3 [pid 521] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 512] <... ioctl resumed>) = 0 [pid 512] close(3) = 0 [pid 512] close(4) = 0 [pid 512] mkdir("./file4", 0777) = 0 [pid 512] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./7/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./7/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./7/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./7/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./7/file4") = 0 [pid 285] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./7/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./7") = 0 [pid 285] mkdir("./8", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 523 ./strace-static-x86_64: Process 523 attached [pid 523] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 523] chdir("./8") = 0 [pid 523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 523] setpgid(0, 0) = 0 [pid 523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 523] write(3, "1000", 4) = 4 [pid 523] close(3) = 0 [pid 523] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 523] write(1, "executing program\n", 18) = 18 [pid 523] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 523] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 523] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 523] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 523] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 523] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[524]}, 88) = 524 [pid 523] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 523] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 523] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 524 attached [pid 524] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 524] memfd_create("syzkaller", 0) = 3 [pid 524] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 55.970079][ T512] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 55.990444][ T512] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 56.009316][ T512] F2FS-fs (loop0): fault_injection options not supported [ 56.043312][ T512] F2FS-fs (loop0): fault_type options not supported [pid 517] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [ 56.085778][ T512] F2FS-fs (loop0): invalid crc value [ 56.112709][ T512] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 519] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 519] munmap(0x7fb73baf6000, 138412032) = 0 [pid 519] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 519] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 519] close(3) = 0 [pid 519] close(4) = 0 [pid 519] mkdir("./file4", 0777) = 0 [ 56.194323][ T519] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 56.222114][ T519] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [pid 519] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 512] <... mount resumed>) = 0 [pid 512] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 512] chdir("./file4") = 0 [pid 512] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 512] ioctl(4, LOOP_CLR_FD) = 0 [pid 512] close(4 [pid 517] <... write resumed>) = 20699119 [pid 512] <... close resumed>) = 0 [pid 512] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 510] <... futex resumed>) = 0 [pid 510] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 510] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 512] <... futex resumed>) = 1 [ 56.245838][ T519] F2FS-fs (loop1): fault_injection options not supported [ 56.246124][ T512] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 56.270354][ T519] F2FS-fs (loop1): fault_type options not supported [ 56.277408][ T512] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 512] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 517] munmap(0x7fb73baf6000, 138412032) = 0 [pid 517] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 517] ioctl(4, LOOP_SET_FD, 3 [pid 524] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 517] <... ioctl resumed>) = 0 [pid 517] close(3) = 0 [pid 517] close(4) = 0 [pid 517] mkdir("./file4", 0777) = 0 [pid 517] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 512] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 512] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 510] <... futex resumed>) = 0 [pid 512] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 510] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 56.298375][ T512] F2FS-fs (loop0): switch discard_unit option is not allowed [ 56.299872][ T519] F2FS-fs (loop1): invalid crc value [ 56.320751][ T517] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 56.321763][ T519] F2FS-fs (loop1): Found nat_bits in checkpoint [ 56.327960][ T517] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [pid 510] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 512] <... symlink resumed>) = 0 [pid 512] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 512] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 510] <... futex resumed>) = 0 [pid 510] exit_group(0 [pid 512] <... futex resumed>) = ? [pid 510] <... exit_group resumed>) = ? [pid 512] +++ exited with 0 +++ [pid 510] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=12, si_stime=17} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./7/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 56.345064][ T517] F2FS-fs (loop3): fault_injection options not supported [ 56.352635][ T517] F2FS-fs (loop3): fault_type options not supported [ 56.364003][ T517] F2FS-fs (loop3): invalid crc value [ 56.409716][ T517] F2FS-fs (loop3): Found nat_bits in checkpoint [ 56.447675][ T517] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [pid 521] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 517] <... mount resumed>) = 0 [pid 517] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 517] chdir("./file4") = 0 [pid 517] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 517] ioctl(4, LOOP_CLR_FD) = 0 [ 56.454850][ T517] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 517] close(4 [pid 521] <... write resumed>) = 20699119 [pid 521] munmap(0x7fb73baf6000, 138412032) = 0 [pid 521] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 519] <... mount resumed>) = 0 [pid 519] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 519] chdir("./file4") = 0 [pid 519] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 524] <... write resumed>) = 20699119 [pid 524] munmap(0x7fb73baf6000, 138412032) = 0 [ 56.481984][ T519] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 56.489243][ T519] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 524] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 521] <... openat resumed>) = 4 [pid 519] <... openat resumed>) = 4 [pid 517] <... close resumed>) = 0 [pid 521] ioctl(4, LOOP_SET_FD, 3 [pid 519] ioctl(4, LOOP_CLR_FD [pid 517] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 519] <... ioctl resumed>) = 0 [pid 517] <... futex resumed>) = 1 [pid 516] <... futex resumed>) = 0 [pid 519] close(4 [pid 517] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 516] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 517] <... futex resumed>) = 0 [pid 516] <... futex resumed>) = 1 [pid 517] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 521] <... ioctl resumed>) = 0 [pid 516] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 521] close(3) = 0 [pid 521] close(4 [pid 519] <... close resumed>) = 0 [pid 519] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 518] <... futex resumed>) = 0 [pid 519] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 518] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 518] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 524] <... openat resumed>) = 4 [pid 524] ioctl(4, LOOP_SET_FD, 3 [pid 517] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 519] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 517] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 519] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] <... futex resumed>) = 0 [pid 518] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 516] <... futex resumed>) = 0 [pid 518] <... futex resumed>) = 0 [pid 518] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 516] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 517] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 519] <... futex resumed>) = 1 [pid 519] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 516] <... futex resumed>) = 0 [pid 516] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 521] <... close resumed>) = 0 [pid 521] mkdir("./file4", 0777) = 0 [pid 521] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 517] <... symlink resumed>) = 0 [pid 519] <... symlink resumed>) = 0 [pid 517] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 517] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 519] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] <... futex resumed>) = 0 [pid 518] exit_group(0 [pid 516] <... futex resumed>) = 0 [pid 518] <... exit_group resumed>) = ? [pid 516] exit_group(0 [pid 519] <... futex resumed>) = ? [pid 516] <... exit_group resumed>) = ? [pid 517] <... futex resumed>) = ? [pid 517] +++ exited with 0 +++ [pid 516] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=516, si_uid=0, si_status=0, si_utime=10, si_stime=20} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./7/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 519] +++ exited with 0 +++ [pid 518] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, si_utime=7, si_stime=24} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./7/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./7/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./7/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./7/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./7/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./7/file4") = 0 [pid 283] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./7/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./7") = 0 [pid 283] mkdir("./8", 0777) = 0 [ 56.561939][ T517] F2FS-fs (loop3): switch discard_unit option is not allowed [ 56.573626][ T519] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 524] <... ioctl resumed>) = 0 [pid 524] close(3 [pid 284] <... umount2 resumed>) = 0 [pid 283] <... openat resumed>) = 3 [pid 283] ioctl(3, LOOP_CLR_FD [pid 524] <... close resumed>) = 0 [pid 524] close(4 [pid 284] umount2("./7/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./7/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./7/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./7/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./7/file4") = 0 [pid 284] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./7/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./7") = 0 [pid 284] mkdir("./8", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 524] <... close resumed>) = 0 [pid 283] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 284] <... openat resumed>) = 3 [pid 524] mkdir("./file4", 0777 [pid 283] close(3 [pid 524] <... mkdir resumed>) = 0 [pid 524] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 284] ioctl(3, LOOP_CLR_FD [pid 283] <... close resumed>) = 0 [ 56.668472][ T521] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 56.677382][ T521] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 56.686035][ T521] F2FS-fs (loop4): fault_injection options not supported [ 56.693808][ T521] F2FS-fs (loop4): fault_type options not supported [ 56.701538][ T521] F2FS-fs (loop4): invalid crc value [ 56.708241][ T521] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./7/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./7/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./7/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./7/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./7/file4") = 0 [pid 286] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./7/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./7") = 0 [pid 286] mkdir("./8", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 540 ./strace-static-x86_64: Process 540 attached [pid 540] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 540] chdir("./8") = 0 [pid 540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 540] setpgid(0, 0) = 0 [pid 540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 540] write(3, "1000", 4) = 4 [pid 540] close(3) = 0 [pid 540] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 540] write(1, "executing program\n", 18) = 18 [pid 540] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 540] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 540] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 540] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 540] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[541]}, 88) = 541 [pid 540] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 540] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 540] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 541 attached [pid 541] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 541] memfd_create("syzkaller", 0) = 3 [pid 541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 286] <... openat resumed>) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 542 ./strace-static-x86_64: Process 542 attached [pid 542] set_robust_list(0x55557d22a6a0, 24) = 0 executing program [pid 542] chdir("./8") = 0 [pid 542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 542] setpgid(0, 0) = 0 [pid 542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 542] write(3, "1000", 4) = 4 [pid 542] close(3) = 0 [pid 542] symlink("/dev/binderfs", "./binderfs") = 0 [pid 542] write(1, "executing program\n", 18) = 18 [pid 542] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 542] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 542] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 542] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[543]}, 88) = 543 [pid 542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 542] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 542] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 543 attached [pid 543] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 543] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 543] memfd_create("syzkaller", 0) = 3 [pid 543] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 56.731485][ T524] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 56.740126][ T524] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 56.750345][ T524] F2FS-fs (loop2): fault_injection options not supported [ 56.789429][ T524] F2FS-fs (loop2): fault_type options not supported [ 56.813727][ T524] F2FS-fs (loop2): invalid crc value [ 56.821926][ T521] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [pid 521] <... mount resumed>) = 0 [pid 521] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 521] chdir("./file4") = 0 [pid 521] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 521] ioctl(4, LOOP_CLR_FD) = 0 [pid 521] close(4) = 0 [pid 521] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 520] <... futex resumed>) = 0 [pid 520] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 521] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 520] <... futex resumed>) = 0 [pid 520] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 521] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 521] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 520] <... futex resumed>) = 0 [pid 520] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 521] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 520] <... futex resumed>) = 0 [pid 520] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 521] <... symlink resumed>) = 0 [pid 521] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 520] <... futex resumed>) = 0 [pid 521] <... futex resumed>) = 1 [pid 520] exit_group(0 [pid 521] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 520] <... exit_group resumed>) = ? [pid 521] <... futex resumed>) = ? [pid 521] +++ exited with 0 +++ [pid 520] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=520, si_uid=0, si_status=0, si_utime=8, si_stime=15} --- [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 284] <... ioctl resumed>) = 0 [pid 284] close(3 [pid 287] <... restart_syscall resumed>) = 0 [pid 287] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 56.836013][ T521] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 56.851707][ T524] F2FS-fs (loop2): Found nat_bits in checkpoint [ 56.870439][ T521] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 287] umount2("./7/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] <... close resumed>) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 547 ./strace-static-x86_64: Process 547 attached [pid 547] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 547] chdir("./8") = 0 [pid 547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 547] setpgid(0, 0) = 0 [pid 547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 547] write(3, "1000", 4) = 4 [pid 547] close(3) = 0 [pid 547] symlink("/dev/binderfs", "./binderfs") = 0 [pid 547] write(1, "executing program\n", 18executing program ) = 18 [pid 547] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 547] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 547] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 547] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 547] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 547] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[548]}, 88) = 548 [pid 547] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 547] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 547] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 548 attached [pid 548] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 548] memfd_create("syzkaller", 0) = 3 [pid 548] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 524] <... mount resumed>) = 0 [pid 524] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 524] chdir("./file4") = 0 [pid 524] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 541] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [ 56.986196][ T524] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 56.993275][ T524] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 543] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 524] <... openat resumed>) = 4 [pid 524] ioctl(4, LOOP_CLR_FD) = 0 [pid 524] close(4) = 0 [pid 524] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 523] <... futex resumed>) = 0 [pid 523] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 523] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 524] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 524] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 523] <... futex resumed>) = 0 [pid 523] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 523] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 524] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 524] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 523] <... futex resumed>) = 0 [pid 523] exit_group(0) = ? [pid 524] +++ exited with 0 +++ [pid 523] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=523, si_uid=0, si_status=0, si_utime=11, si_stime=17} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 57.082094][ T524] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 285] umount2("./8/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 548] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 541] <... write resumed>) = 20699119 [pid 541] munmap(0x7fb73baf6000, 138412032) = 0 [pid 541] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 541] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 541] close(3) = 0 [pid 541] close(4 [pid 543] <... write resumed>) = 20699119 [pid 543] munmap(0x7fb73baf6000, 138412032) = 0 [pid 543] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./7/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./7/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./7/file4") = 0 [pid 287] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7") = 0 [pid 287] mkdir("./8", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 543] <... openat resumed>) = 4 [pid 541] <... close resumed>) = 0 [pid 543] ioctl(4, LOOP_SET_FD, 3 [pid 541] mkdir("./file4", 0777) = 0 [pid 541] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 548] <... write resumed>) = 20699119 [pid 548] munmap(0x7fb73baf6000, 138412032) = 0 [pid 548] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 287] <... openat resumed>) = 3 [pid 287] ioctl(3, LOOP_CLR_FD [pid 543] <... ioctl resumed>) = 0 [pid 543] close(3) = 0 [pid 543] close(4) = 0 [pid 543] mkdir("./file4", 0777) = 0 [pid 543] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 552 [pid 548] <... openat resumed>) = 4 ./strace-static-x86_64: Process 552 attached [pid 548] ioctl(4, LOOP_SET_FD, 3 [pid 552] set_robust_list(0x55557d22a6a0, 24 [pid 548] <... ioctl resumed>) = 0 [pid 552] <... set_robust_list resumed>) = 0 [pid 552] chdir("./8") = 0 [pid 548] close(3) = 0 [pid 548] close(4 [pid 552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 548] <... close resumed>) = 0 [pid 552] <... prctl resumed>) = 0 [pid 552] setpgid(0, 0 [pid 548] mkdir("./file4", 0777 [pid 552] <... setpgid resumed>) = 0 [pid 548] <... mkdir resumed>) = 0 [pid 552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 552] write(3, "1000", 4) = 4 [pid 552] close(3) = 0 [ 57.269233][ T541] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 57.278940][ T543] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 57.288476][ T541] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 57.297098][ T541] F2FS-fs (loop0): fault_injection options not supported [ 57.304167][ T541] F2FS-fs (loop0): fault_type options not supported [pid 548] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 552] symlink("/dev/binderfs", "./binderfs") = 0 [pid 552] write(1, "executing program\n", 18executing program ) = 18 [pid 552] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 552] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 552] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 552] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[554]}, 88) = 554 [pid 552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 552] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 554 attached [pid 554] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 554] memfd_create("syzkaller", 0) = 3 [pid 554] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 57.311751][ T543] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 57.320519][ T541] F2FS-fs (loop0): invalid crc value [ 57.327288][ T543] F2FS-fs (loop3): fault_injection options not supported [ 57.327788][ T548] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 57.334440][ T543] F2FS-fs (loop3): fault_type options not supported [ 57.349135][ T543] F2FS-fs (loop3): invalid crc value [ 57.354822][ T548] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 57.363811][ T541] F2FS-fs (loop0): Found nat_bits in checkpoint [ 57.370562][ T548] F2FS-fs (loop1): fault_injection options not supported [ 57.389618][ T543] F2FS-fs (loop3): Found nat_bits in checkpoint [ 57.405962][ T548] F2FS-fs (loop1): fault_type options not supported [pid 543] <... mount resumed>) = 0 [pid 543] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 543] chdir("./file4") = 0 [pid 543] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 543] ioctl(4, LOOP_CLR_FD) = 0 [pid 543] close(4) = 0 [pid 543] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 542] <... futex resumed>) = 0 [pid 543] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 542] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 542] <... futex resumed>) = 0 [pid 543] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 57.430114][ T548] F2FS-fs (loop1): invalid crc value [ 57.433782][ T543] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 57.452804][ T543] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 57.460846][ T541] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 57.469361][ T548] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 542] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 543] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 543] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 543] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 542] <... futex resumed>) = 0 [pid 542] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 543] <... futex resumed>) = 0 [pid 542] <... futex resumed>) = 1 [pid 543] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 542] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 543] <... symlink resumed>) = 0 [pid 543] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 542] <... futex resumed>) = 0 [pid 543] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 542] exit_group(0 [pid 543] <... futex resumed>) = ? [pid 542] <... exit_group resumed>) = ? [pid 543] +++ exited with 0 +++ [pid 542] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=542, si_uid=0, si_status=0, si_utime=6, si_stime=21} --- [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 285] <... umount2 resumed>) = 0 [pid 286] <... restart_syscall resumed>) = 0 [pid 285] umount2("./8/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 541] <... mount resumed>) = 0 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 286] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] newfstatat(AT_FDCWD, "./8/file4", [pid 541] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 541] <... openat resumed>) = 3 [pid 285] umount2("./8/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 541] chdir("./file4" [pid 286] <... openat resumed>) = 3 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(3, "", [pid 285] openat(AT_FDCWD, "./8/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 541] <... chdir resumed>) = 0 [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 541] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 285] <... openat resumed>) = 4 [pid 286] getdents64(3, [pid 285] newfstatat(4, "", [pid 541] <... openat resumed>) = 4 [pid 286] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 541] ioctl(4, LOOP_CLR_FD [pid 286] umount2("./8/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] getdents64(4, [pid 541] <... ioctl resumed>) = 0 [pid 285] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 541] close(4 [pid 285] getdents64(4, [pid 541] <... close resumed>) = 0 [pid 285] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 541] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] close(4 [pid 541] <... futex resumed>) = 1 [pid 540] <... futex resumed>) = 0 [pid 285] <... close resumed>) = 0 [pid 541] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 540] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] rmdir("./8/file4" [pid 541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 540] <... futex resumed>) = 0 [pid 285] <... rmdir resumed>) = 0 [pid 541] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 540] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 285] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 541] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./8/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 541] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 540] <... futex resumed>) = 0 [pid 285] rmdir("./8" [pid 541] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 540] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] <... rmdir resumed>) = 0 [pid 540] <... futex resumed>) = 0 [pid 285] mkdir("./9", 0777 [pid 540] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 285] <... mkdir resumed>) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 541] <... symlink resumed>) = 0 [pid 285] ioctl(3, LOOP_CLR_FD [pid 541] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 541] <... futex resumed>) = 1 [pid 540] <... futex resumed>) = 0 [pid 285] close(3 [pid 541] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 540] exit_group(0 [pid 285] <... close resumed>) = 0 [pid 541] <... futex resumed>) = ? [pid 540] <... exit_group resumed>) = ? [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 541] +++ exited with 0 +++ [pid 540] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=540, si_uid=0, si_status=0, si_utime=12, si_stime=17} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 563 [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./8/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 563 attached [pid 563] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 563] chdir("./9") = 0 [pid 563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 563] setpgid(0, 0) = 0 [pid 563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 563] write(3, "1000", 4) = 4 [pid 563] close(3) = 0 [pid 563] symlink("/dev/binderfs", "./binderfs") = 0 [pid 563] write(1, "executing program\n", 18executing program ) = 18 [pid 563] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 563] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 563] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 563] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 563] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 563] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[564]}, 88) = 564 [ 57.480018][ T543] F2FS-fs (loop3): switch discard_unit option is not allowed [ 57.491601][ T541] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 57.507478][ T541] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 563] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 563] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 563] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 564 attached [pid 564] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 564] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 564] memfd_create("syzkaller", 0) = 3 [pid 564] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 548] <... mount resumed>) = 0 [pid 548] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 548] chdir("./file4") = 0 [pid 548] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 548] ioctl(4, LOOP_CLR_FD) = 0 [pid 548] close(4) = 0 [pid 548] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 547] <... futex resumed>) = 0 [pid 548] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 547] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 547] <... futex resumed>) = 0 [pid 548] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 547] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 548] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 548] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 547] <... futex resumed>) = 0 [pid 548] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 547] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 547] <... futex resumed>) = 0 [pid 548] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 547] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 548] <... symlink resumed>) = 0 [pid 548] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 547] <... futex resumed>) = 0 [pid 548] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 547] exit_group(0 [pid 548] <... futex resumed>) = ? [pid 547] <... exit_group resumed>) = ? [pid 548] +++ exited with 0 +++ [pid 547] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=547, si_uid=0, si_status=0, si_utime=14, si_stime=16} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 57.566026][ T548] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 57.573162][ T548] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 57.598113][ T548] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 284] umount2("./8/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 554] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./8/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./8/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./8/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./8/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 554] munmap(0x7fb73baf6000, 138412032) = 0 [pid 554] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 554] ioctl(4, LOOP_SET_FD, 3 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./8/file4") = 0 [pid 283] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./8/binderfs", [pid 286] <... umount2 resumed>) = 0 [pid 554] <... ioctl resumed>) = 0 [pid 286] umount2("./8/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./8/binderfs" [pid 554] close(3) = 0 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 554] close(4) = 0 [pid 286] newfstatat(AT_FDCWD, "./8/file4", [pid 554] mkdir("./file4", 0777 [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 554] <... mkdir resumed>) = 0 [pid 286] umount2("./8/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 554] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] <... unlink resumed>) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./8") = 0 [pid 283] mkdir("./9", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 567 ./strace-static-x86_64: Process 567 attached [pid 567] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 567] chdir("./9") = 0 [pid 567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 286] openat(AT_FDCWD, "./8/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, [pid 567] <... prctl resumed>) = 0 [pid 567] setpgid(0, 0) = 0 [pid 567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 567] write(3, "1000", 4) = 4 [pid 567] close(3) = 0 [pid 567] symlink("/dev/binderfs", "./binderfs") = 0 [pid 286] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./8/file4") = 0 [pid 286] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./8/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./8") = 0 [pid 286] mkdir("./9", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3 [pid 567] write(1, "executing program\n", 18executing program ) = 18 [pid 567] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] <... close resumed>) = 0 [pid 567] <... futex resumed>) = 0 [pid 567] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 567] <... rt_sigaction resumed>NULL, 8) = 0 [pid 284] <... umount2 resumed>) = 0 [pid 567] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 567] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 284] umount2("./8/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 57.793757][ T554] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [pid 567] rt_sigprocmask(SIG_BLOCK, ~[], [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./8/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./8/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./8/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./8/file4") = 0 [pid 284] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./8/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./8") = 0 [pid 284] mkdir("./9", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 567] <... rt_sigprocmask resumed>[], 8) = 0 [pid 567] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 568 [pid 567] <... clone3 resumed> => {parent_tid=[570]}, 88) = 570 [pid 567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 567] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 567] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 284] <... clone resumed>, child_tidptr=0x55557d22a690) = 569 ./strace-static-x86_64: Process 569 attached [pid 569] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 569] chdir("./9"./strace-static-x86_64: Process 570 attached [pid 570] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 569] <... chdir resumed>) = 0 [pid 570] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 570] memfd_create("syzkaller", 0 [pid 569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 569] setpgid(0, 0./strace-static-x86_64: Process 568 attached ) = 0 [pid 568] set_robust_list(0x55557d22a6a0, 24 [pid 569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 568] <... set_robust_list resumed>) = 0 [pid 568] chdir("./9" [pid 570] <... memfd_create resumed>) = 3 [pid 569] <... openat resumed>) = 3 [pid 568] <... chdir resumed>) = 0 [pid 570] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 570] <... mmap resumed>) = 0x7fb73baf6000 [pid 568] <... prctl resumed>) = 0 [pid 568] setpgid(0, 0) = 0 [pid 569] write(3, "1000", 4) = 4 [pid 568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 569] close(3) = 0 [pid 569] symlink("/dev/binderfs", "./binderfs") = 0 [pid 568] <... openat resumed>) = 3 [pid 568] write(3, "1000", 4) = 4 executing program [pid 568] close(3) = 0 [pid 569] write(1, "executing program\n", 18) = 18 [pid 568] symlink("/dev/binderfs", "./binderfs") = 0 [pid 569] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 569] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 569] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 569] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 executing program [pid 568] write(1, "executing program\n", 18 [pid 569] rt_sigprocmask(SIG_BLOCK, ~[], [pid 568] <... write resumed>) = 18 [pid 568] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 568] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 568] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 569] <... rt_sigprocmask resumed>[], 8) = 0 [pid 568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 569] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 568] <... mmap resumed>) = 0x7fb743ef6000 [pid 568] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 568] rt_sigprocmask(SIG_BLOCK, ~[], [pid 569] <... clone3 resumed> => {parent_tid=[571]}, 88) = 571 [pid 568] <... rt_sigprocmask resumed>[], 8) = 0 [pid 569] rt_sigprocmask(SIG_SETMASK, [], [pid 568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 569] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 569] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 568] <... clone3 resumed> => {parent_tid=[572]}, 88) = 572 [pid 568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 568] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 568] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 572 attached [pid 572] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 572] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 571 attached [pid 571] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 571] memfd_create("syzkaller", 0 [pid 572] memfd_create("syzkaller", 0) = 3 [pid 572] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 571] <... memfd_create resumed>) = 3 [pid 572] <... mmap resumed>) = 0x7fb73baf6000 [pid 571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 57.845117][ T554] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 57.853443][ T554] F2FS-fs (loop4): fault_injection options not supported [ 57.863373][ T554] F2FS-fs (loop4): fault_type options not supported [ 57.871064][ T554] F2FS-fs (loop4): invalid crc value [ 57.892092][ T554] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 564] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 570] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 554] <... mount resumed>) = 0 [pid 554] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 554] chdir("./file4") = 0 [pid 554] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 554] ioctl(4, LOOP_CLR_FD) = 0 [pid 554] close(4) = 0 [pid 554] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... futex resumed>) = 0 [pid 552] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 57.985803][ T554] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 58.015216][ T554] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 552] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... futex resumed>) = 1 [pid 554] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 554] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... futex resumed>) = 0 [pid 552] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... futex resumed>) = 1 [pid 554] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 554] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... futex resumed>) = 0 [pid 552] exit_group(0) = ? [pid 554] <... futex resumed>) = ? [pid 554] +++ exited with 0 +++ [pid 552] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=552, si_uid=0, si_status=0, si_utime=7, si_stime=20} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 58.052308][ T554] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 287] umount2("./8/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 564] <... write resumed>) = 20699119 [pid 564] munmap(0x7fb73baf6000, 138412032) = 0 [pid 564] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 570] <... write resumed>) = 20699119 [pid 570] munmap(0x7fb73baf6000, 138412032) = 0 [pid 570] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 571] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 572] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 570] <... openat resumed>) = 4 [pid 564] <... openat resumed>) = 4 [pid 570] ioctl(4, LOOP_SET_FD, 3 [pid 564] ioctl(4, LOOP_SET_FD, 3 [pid 570] <... ioctl resumed>) = 0 [pid 570] close(3) = 0 [pid 570] close(4 [pid 564] <... ioctl resumed>) = 0 [pid 570] <... close resumed>) = 0 [pid 570] mkdir("./file4", 0777) = 0 [pid 564] close(3) = 0 [pid 564] close(4 [pid 570] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 564] <... close resumed>) = 0 [pid 564] mkdir("./file4", 0777) = 0 [ 58.244305][ T570] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 58.251542][ T564] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 58.270285][ T570] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 58.274415][ T564] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [pid 564] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./8/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./8/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./8/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./8/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./8/file4") = 0 [pid 287] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./8/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./8") = 0 [pid 287] mkdir("./9", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 578 [ 58.288892][ T570] F2FS-fs (loop0): fault_injection options not supported ./strace-static-x86_64: Process 578 attached [pid 578] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 578] chdir("./9" [pid 572] <... write resumed>) = 20699119 [pid 578] <... chdir resumed>) = 0 [pid 578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 578] setpgid(0, 0) = 0 [pid 578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 578] write(3, "1000", 4) = 4 [pid 578] close(3) = 0 [pid 578] symlink("/dev/binderfs", "./binderfs") = 0 [pid 572] munmap(0x7fb73baf6000, 138412032 [pid 578] write(1, "executing program\n", 18executing program ) = 18 [pid 578] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 578] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 578] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 578] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 578] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[579]}, 88) = 579 [pid 578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 578] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 572] <... munmap resumed>) = 0 [pid 572] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 572] ioctl(4, LOOP_SET_FD, 3 [pid 578] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 579 attached [pid 579] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 579] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 572] <... ioctl resumed>) = 0 [pid 572] close(3) = 0 [pid 572] close(4) = 0 [pid 572] mkdir("./file4", 0777 [pid 579] memfd_create("syzkaller", 0 [pid 572] <... mkdir resumed>) = 0 [pid 579] <... memfd_create resumed>) = 3 [pid 572] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 579] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 58.322621][ T570] F2FS-fs (loop0): fault_type options not supported [ 58.333089][ T564] F2FS-fs (loop2): fault_injection options not supported [ 58.340303][ T564] F2FS-fs (loop2): fault_type options not supported [ 58.349429][ T564] F2FS-fs (loop2): invalid crc value [ 58.358504][ T572] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 58.365852][ T570] F2FS-fs (loop0): invalid crc value [pid 571] <... write resumed>) = 20699119 [ 58.370849][ T572] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 58.379424][ T572] F2FS-fs (loop3): fault_injection options not supported [ 58.386537][ T572] F2FS-fs (loop3): fault_type options not supported [ 58.394046][ T570] F2FS-fs (loop0): Found nat_bits in checkpoint [ 58.394432][ T572] F2FS-fs (loop3): invalid crc value [ 58.406602][ T564] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 571] munmap(0x7fb73baf6000, 138412032) = 0 [pid 571] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 571] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 571] close(3) = 0 [pid 571] close(4) = 0 [pid 571] mkdir("./file4", 0777) = 0 [ 58.436636][ T572] F2FS-fs (loop3): Found nat_bits in checkpoint [ 58.458640][ T571] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 58.476014][ T564] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [pid 571] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 564] <... mount resumed>) = 0 [pid 564] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 564] chdir("./file4") = 0 [pid 564] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 564] ioctl(4, LOOP_CLR_FD) = 0 [ 58.483096][ T564] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 58.490857][ T571] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 58.505165][ T571] F2FS-fs (loop1): fault_injection options not supported [ 58.516030][ T571] F2FS-fs (loop1): fault_type options not supported [ 58.523990][ T571] F2FS-fs (loop1): invalid crc value [pid 564] close(4) = 0 [pid 564] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 572] <... mount resumed>) = 0 [pid 564] <... futex resumed>) = 1 [pid 572] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 563] <... futex resumed>) = 0 [pid 572] <... openat resumed>) = 3 [pid 564] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 572] chdir("./file4" [pid 563] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 572] <... chdir resumed>) = 0 [pid 564] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 563] <... futex resumed>) = 0 [pid 572] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 563] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 572] ioctl(4, LOOP_CLR_FD [pid 564] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 572] <... ioctl resumed>) = 0 [pid 564] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 572] close(4 [pid 564] <... futex resumed>) = 1 [pid 563] <... futex resumed>) = 0 [pid 572] <... close resumed>) = 0 [pid 564] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 563] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 572] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 563] <... futex resumed>) = 0 [pid 572] <... futex resumed>) = 1 [pid 564] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 572] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 563] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 568] <... futex resumed>) = 0 [pid 568] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 58.536074][ T572] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 58.543142][ T572] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 58.553593][ T570] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 58.560930][ T570] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 58.569173][ T564] F2FS-fs (loop2): switch discard_unit option is not allowed [ 58.570721][ T571] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 568] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 570] <... mount resumed>) = 0 [pid 570] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 570] chdir("./file4") = 0 [pid 570] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 570] ioctl(4, LOOP_CLR_FD) = 0 [pid 570] close(4 [pid 572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 572] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 570] <... close resumed>) = 0 [pid 570] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 567] <... futex resumed>) = 0 [pid 567] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 567] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 570] <... futex resumed>) = 1 [pid 572] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 570] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 572] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 568] <... futex resumed>) = 0 [pid 564] <... symlink resumed>) = 0 [pid 572] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 564] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 568] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 572] <... futex resumed>) = 0 [pid 568] <... futex resumed>) = 1 [pid 564] <... futex resumed>) = 1 [pid 563] <... futex resumed>) = 0 [pid 572] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 564] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 563] exit_group(0 [ 58.584042][ T564] handle_bad_sector: 34 callbacks suppressed [ 58.584053][ T564] attempt to access beyond end of device [ 58.584053][ T564] loop2: rw=2049, want=53256, limit=40427 [ 58.616060][ T572] F2FS-fs (loop3): switch discard_unit option is not allowed [ 58.624106][ T570] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 568] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 570] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 570] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 567] <... futex resumed>) = 0 [pid 567] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 567] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 563] <... exit_group resumed>) = ? [pid 570] <... futex resumed>) = 1 [pid 570] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 564] <... futex resumed>) = ? [pid 579] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 572] <... symlink resumed>) = 0 [pid 564] +++ exited with 0 +++ [pid 563] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=563, si_uid=0, si_status=0, si_utime=11, si_stime=23} --- [pid 285] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./9/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 570] <... symlink resumed>) = 0 [pid 570] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 567] <... futex resumed>) = 0 [pid 567] exit_group(0) = ? [pid 570] <... futex resumed>) = ? [pid 570] +++ exited with 0 +++ [pid 567] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=567, si_uid=0, si_status=0, si_utime=6, si_stime=25} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 572] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 568] <... futex resumed>) = 0 [pid 568] exit_group(0 [pid 283] <... restart_syscall resumed>) = 0 [pid 572] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 568] <... exit_group resumed>) = ? [pid 572] <... futex resumed>) = ? [pid 572] +++ exited with 0 +++ [pid 568] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=568, si_uid=0, si_status=0, si_utime=8, si_stime=17} --- [pid 283] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 58.633789][ T572] attempt to access beyond end of device [ 58.633789][ T572] loop3: rw=2049, want=53256, limit=40427 [ 58.646382][ T570] attempt to access beyond end of device [ 58.646382][ T570] loop0: rw=2049, want=53256, limit=40427 [ 58.666364][ T285] attempt to access beyond end of device [ 58.666364][ T285] loop2: rw=2049, want=45104, limit=40427 [ 58.681249][ T283] attempt to access beyond end of device [pid 283] umount2("./9/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 58.681249][ T283] loop0: rw=2049, want=45104, limit=40427 [ 58.694548][ T286] attempt to access beyond end of device [ 58.694548][ T286] loop3: rw=2049, want=45104, limit=40427 [ 58.727194][ T571] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [pid 286] umount2("./9/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 571] <... mount resumed>) = 0 [pid 571] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 571] chdir("./file4") = 0 [pid 571] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 571] ioctl(4, LOOP_CLR_FD) = 0 [pid 571] close(4) = 0 [pid 571] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 569] <... futex resumed>) = 0 [pid 569] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 569] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 571] <... futex resumed>) = 1 [pid 571] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 571] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 569] <... futex resumed>) = 0 [pid 569] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 569] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 571] <... futex resumed>) = 1 [pid 571] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 571] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 569] <... futex resumed>) = 0 [pid 569] exit_group(0) = ? [pid 571] <... futex resumed>) = ? [pid 571] +++ exited with 0 +++ [pid 569] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=569, si_uid=0, si_status=0, si_utime=13, si_stime=17} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 58.734454][ T571] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 58.746949][ T571] F2FS-fs (loop1): switch discard_unit option is not allowed [ 58.756242][ T571] attempt to access beyond end of device [ 58.756242][ T571] loop1: rw=2049, want=53256, limit=40427 [ 58.779573][ T284] attempt to access beyond end of device [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./9/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 579] <... write resumed>) = 20699119 [pid 579] munmap(0x7fb73baf6000, 138412032) = 0 [pid 579] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 579] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 579] close(3) = 0 [ 58.779573][ T284] loop1: rw=2049, want=45104, limit=40427 [pid 579] close(4 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./9/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./9/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./9/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./9/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./9/file4") = 0 [pid 285] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./9/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./9") = 0 [pid 285] mkdir("./10", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 579] <... close resumed>) = 0 [pid 579] mkdir("./file4", 0777) = 0 [pid 579] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 285] <... openat resumed>) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 595 ./strace-static-x86_64: Process 595 attached [pid 595] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 595] chdir("./10") = 0 [pid 595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 595] setpgid(0, 0) = 0 [pid 595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 595] write(3, "1000", 4) = 4 [pid 595] close(3) = 0 [pid 595] symlink("/dev/binderfs", "./binderfs") = 0 [pid 595] write(1, "executing program\n", 18executing program ) = 18 [pid 595] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 595] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 595] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 595] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 595] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[596]}, 88) = 596 [pid 595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 595] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 595] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 596 attached [pid 596] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 596] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 596] memfd_create("syzkaller", 0) = 3 [pid 596] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 58.997147][ T579] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 59.004466][ T579] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./9/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./9/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./9/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./9/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./9/file4") = 0 [pid 286] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./9/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./9") = 0 [pid 286] mkdir("./10", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 599 ./strace-static-x86_64: Process 599 attached [pid 599] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 599] chdir("./10") = 0 [pid 599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 599] setpgid(0, 0) = 0 [pid 599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 599] write(3, "1000", 4) = 4 [pid 599] close(3) = 0 [pid 599] symlink("/dev/binderfs", "./binderfs") = 0 [pid 599] write(1, "executing program\n", 18executing program ) = 18 [pid 283] <... umount2 resumed>) = 0 [pid 599] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 599] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 599] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 599] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 599] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[600]}, 88) = 600 [pid 599] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 599] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 59.045910][ T579] F2FS-fs (loop4): fault_injection options not supported [ 59.052999][ T579] F2FS-fs (loop4): fault_type options not supported [ 59.076741][ T579] F2FS-fs (loop4): invalid crc value [ 59.089204][ T579] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 599] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 283] umount2("./9/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./9/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 600 attached [pid 600] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 600] memfd_create("syzkaller", 0) = 3 [pid 600] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 284] umount2("./9/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] umount2("./9/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./9/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, [pid 284] newfstatat(AT_FDCWD, "./9/file4", [pid 283] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4 [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] <... close resumed>) = 0 [pid 283] rmdir("./9/file4" [pid 284] umount2("./9/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./9/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] <... rmdir resumed>) = 0 [pid 283] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./9/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3 [pid 284] newfstatat(4, "", [pid 283] <... close resumed>) = 0 [pid 283] rmdir("./9" [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, [pid 283] <... rmdir resumed>) = 0 [pid 283] mkdir("./10", 0777 [pid 284] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./9/file4" [pid 283] <... mkdir resumed>) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 284] <... rmdir resumed>) = 0 [pid 284] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./9/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./9") = 0 [pid 284] mkdir("./10", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 284] close(3) = 0 [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 601 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 602 ./strace-static-x86_64: Process 601 attached [pid 601] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 601] chdir("./10") = 0 [pid 601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 601] setpgid(0, 0) = 0 [pid 601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 601] write(3, "1000", 4) = 4 [pid 601] close(3) = 0 [pid 601] symlink("/dev/binderfs", "./binderfs") = 0 [pid 601] write(1, "executing program\n", 18executing program ) = 18 [pid 601] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 601] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 601] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 601] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[603]}, 88) = 603 [pid 601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 601] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 601] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 603 attached ./strace-static-x86_64: Process 602 attached [pid 603] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 603] rt_sigprocmask(SIG_SETMASK, [], [pid 602] set_robust_list(0x55557d22a6a0, 24 [pid 603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 602] <... set_robust_list resumed>) = 0 [pid 603] memfd_create("syzkaller", 0 [pid 602] chdir("./10" [pid 603] <... memfd_create resumed>) = 3 [pid 602] <... chdir resumed>) = 0 [pid 603] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 603] <... mmap resumed>) = 0x7fb73baf6000 [pid 602] <... prctl resumed>) = 0 [pid 602] setpgid(0, 0) = 0 [pid 602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 602] write(3, "1000", 4) = 4 [pid 602] close(3) = 0 [pid 602] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 602] write(1, "executing program\n", 18) = 18 [pid 602] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 602] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 602] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 602] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 602] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 602] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[605]}, 88) = 605 [pid 602] rt_sigprocmask(SIG_SETMASK, [], [pid 579] <... mount resumed>) = 0 [pid 602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 602] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 579] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 602] <... futex resumed>) = 0 [pid 602] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 579] <... openat resumed>) = 3 [pid 579] chdir("./file4") = 0 [pid 579] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 579] ioctl(4, LOOP_CLR_FD) = 0 [pid 579] close(4) = 0 ./strace-static-x86_64: Process 605 attached [pid 605] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 605] memfd_create("syzkaller", 0) = 3 [pid 605] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 579] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 578] <... futex resumed>) = 0 [pid 579] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 578] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 578] <... futex resumed>) = 0 [pid 579] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 59.176077][ T579] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 59.183420][ T579] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 578] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 579] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 579] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 578] <... futex resumed>) = 0 [pid 579] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 578] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 578] <... futex resumed>) = 0 [pid 579] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 578] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 579] <... symlink resumed>) = 0 [pid 579] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 578] <... futex resumed>) = 0 [pid 579] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 578] exit_group(0 [pid 579] <... futex resumed>) = ? [pid 578] <... exit_group resumed>) = ? [pid 579] +++ exited with 0 +++ [pid 578] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=578, si_uid=0, si_status=0, si_utime=8, si_stime=17} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 59.216345][ T579] F2FS-fs (loop4): switch discard_unit option is not allowed [ 59.235580][ T579] attempt to access beyond end of device [ 59.235580][ T579] loop4: rw=2049, want=53256, limit=40427 [ 59.266251][ T287] attempt to access beyond end of device [ 59.266251][ T287] loop4: rw=2049, want=45104, limit=40427 [pid 287] umount2("./9/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 596] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 603] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 600] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 605] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 596] <... write resumed>) = 20699119 [pid 596] munmap(0x7fb73baf6000, 138412032 [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./9/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./9/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./9/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 596] <... munmap resumed>) = 0 [pid 596] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 287] openat(AT_FDCWD, "./9/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 596] <... openat resumed>) = 4 [pid 596] ioctl(4, LOOP_SET_FD, 3 [pid 287] <... openat resumed>) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./9/file4") = 0 [pid 603] <... write resumed>) = 20699119 [pid 287] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 596] <... ioctl resumed>) = 0 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./9/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./9") = 0 [pid 287] mkdir("./10", 0777 [pid 596] close(3) = 0 [pid 596] close(4) = 0 [pid 596] mkdir("./file4", 0777 [pid 287] <... mkdir resumed>) = 0 [pid 596] <... mkdir resumed>) = 0 [pid 596] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3 [pid 603] munmap(0x7fb73baf6000, 138412032) = 0 [pid 603] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 287] <... close resumed>) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 607 ./strace-static-x86_64: Process 607 attached [pid 607] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 607] chdir("./10") = 0 [pid 607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 607] setpgid(0, 0) = 0 [pid 607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 607] write(3, "1000", 4) = 4 [pid 607] close(3executing program ) = 0 [pid 607] symlink("/dev/binderfs", "./binderfs") = 0 [pid 607] write(1, "executing program\n", 18) = 18 [pid 607] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 607] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 607] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 607] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 603] <... openat resumed>) = 4 [pid 607] <... mprotect resumed>) = 0 [pid 603] ioctl(4, LOOP_SET_FD, 3 [pid 607] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[609]}, 88) = 609 [pid 607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 607] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 607] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 609 attached [pid 609] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 609] rt_sigprocmask(SIG_SETMASK, [], [pid 603] <... ioctl resumed>) = 0 [pid 609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 609] memfd_create("syzkaller", 0) = 3 [pid 609] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 603] close(3) = 0 [pid 603] close(4) = 0 [pid 603] mkdir("./file4", 0777) = 0 [ 59.557890][ T596] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 59.565036][ T596] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 59.583232][ T596] F2FS-fs (loop2): fault_injection options not supported [ 59.591702][ T596] F2FS-fs (loop2): fault_type options not supported [ 59.600586][ T596] F2FS-fs (loop2): invalid crc value [ 59.610830][ T603] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 59.618550][ T603] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 59.629704][ T596] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 603] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 600] <... write resumed>) = 20699119 [pid 600] munmap(0x7fb73baf6000, 138412032) = 0 [ 59.668644][ T603] F2FS-fs (loop0): fault_injection options not supported [ 59.699256][ T603] F2FS-fs (loop0): fault_type options not supported [pid 600] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 600] ioctl(4, LOOP_SET_FD, 3 [pid 609] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 600] <... ioctl resumed>) = 0 [pid 600] close(3) = 0 [pid 600] close(4) = 0 [pid 600] mkdir("./file4", 0777) = 0 [ 59.728140][ T603] F2FS-fs (loop0): invalid crc value [pid 600] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 605] <... write resumed>) = 20699119 [pid 605] munmap(0x7fb73baf6000, 138412032) = 0 [pid 605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 59.752478][ T600] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 59.756011][ T603] F2FS-fs (loop0): Found nat_bits in checkpoint [ 59.759762][ T600] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 59.774503][ T600] F2FS-fs (loop3): fault_injection options not supported [ 59.782124][ T600] F2FS-fs (loop3): fault_type options not supported [ 59.790840][ T600] F2FS-fs (loop3): invalid crc value [pid 605] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 605] close(3) = 0 [pid 605] close(4) = 0 [pid 605] mkdir("./file4", 0777) = 0 [pid 605] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 596] <... mount resumed>) = 0 [pid 596] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 596] chdir("./file4") = 0 [ 59.796946][ T596] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 59.817596][ T605] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 59.825494][ T596] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 59.834330][ T605] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 59.844468][ T603] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [pid 596] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 596] ioctl(4, LOOP_CLR_FD) = 0 [pid 596] close(4 [pid 603] <... mount resumed>) = 0 [pid 596] <... close resumed>) = 0 [pid 596] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 595] <... futex resumed>) = 0 [pid 595] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 595] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 596] <... futex resumed>) = 1 [pid 596] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 603] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 603] chdir("./file4") = 0 [pid 603] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 603] ioctl(4, LOOP_CLR_FD) = 0 [pid 603] close(4) = 0 [pid 603] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 601] <... futex resumed>) = 0 [pid 603] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 59.851868][ T603] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 59.859833][ T605] F2FS-fs (loop1): fault_injection options not supported [ 59.866930][ T605] F2FS-fs (loop1): fault_type options not supported [ 59.874382][ T605] F2FS-fs (loop1): invalid crc value [ 59.878531][ T596] F2FS-fs (loop2): switch discard_unit option is not allowed [ 59.881383][ T600] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 601] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 601] <... futex resumed>) = 0 [pid 603] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 601] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 596] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 596] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 595] <... futex resumed>) = 0 [pid 595] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 595] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 596] <... futex resumed>) = 1 [pid 596] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 596] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 595] <... futex resumed>) = 0 [pid 595] exit_group(0) = ? [pid 596] <... futex resumed>) = ? [pid 596] +++ exited with 0 +++ [pid 595] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=595, si_uid=0, si_status=0, si_utime=7, si_stime=14} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 603] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 285] <... restart_syscall resumed>) = 0 [pid 285] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./10/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 603] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 601] <... futex resumed>) = 0 [pid 603] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 601] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 603] <... symlink resumed>) = 0 [pid 601] <... futex resumed>) = 0 [pid 603] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 601] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 603] <... futex resumed>) = 0 [pid 603] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 601] exit_group(0 [pid 603] <... futex resumed>) = ? [pid 601] <... exit_group resumed>) = ? [pid 603] +++ exited with 0 +++ [pid 601] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=601, si_uid=0, si_status=0, si_utime=8, si_stime=21} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 59.903541][ T603] F2FS-fs (loop0): switch discard_unit option is not allowed [ 59.921366][ T605] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 283] umount2("./10/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 605] <... mount resumed>) = 0 [pid 605] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 605] chdir("./file4") = 0 [pid 605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 605] ioctl(4, LOOP_CLR_FD) = 0 [pid 605] close(4) = 0 [pid 605] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 602] <... futex resumed>) = 0 [pid 605] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 602] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 602] <... futex resumed>) = 0 [pid 605] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 602] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 605] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 609] <... write resumed>) = 20699119 [ 59.962529][ T605] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 59.969668][ T605] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 59.996470][ T605] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 605] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 609] munmap(0x7fb73baf6000, 138412032 [pid 605] <... futex resumed>) = 1 [pid 602] <... futex resumed>) = 0 [pid 602] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 605] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 605] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 605] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 609] <... munmap resumed>) = 0 [pid 609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 605] <... futex resumed>) = 0 [pid 602] <... futex resumed>) = 1 [pid 600] <... mount resumed>) = 0 [pid 609] <... openat resumed>) = 4 [pid 605] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 602] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 600] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 609] ioctl(4, LOOP_SET_FD, 3 [pid 602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 600] <... openat resumed>) = 3 [pid 602] exit_group(0 [pid 600] chdir("./file4" [pid 605] <... futex resumed>) = ? [pid 602] <... exit_group resumed>) = ? [pid 600] <... chdir resumed>) = 0 [pid 605] +++ exited with 0 +++ [pid 600] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 602] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=602, si_uid=0, si_status=0, si_utime=8, si_stime=17} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./10/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 609] <... ioctl resumed>) = 0 [pid 600] <... openat resumed>) = 4 [pid 609] close(3 [pid 600] ioctl(4, LOOP_CLR_FD [pid 609] <... close resumed>) = 0 [pid 600] <... ioctl resumed>) = 0 [pid 609] close(4 [pid 600] close(4 [pid 609] <... close resumed>) = 0 [pid 600] <... close resumed>) = 0 [pid 609] mkdir("./file4", 0777) = 0 [pid 609] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 600] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 599] <... futex resumed>) = 0 [pid 599] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 599] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 60.008583][ T600] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 60.015876][ T600] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 600] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 600] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 599] <... futex resumed>) = 0 [pid 599] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 599] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 600] <... futex resumed>) = 1 [pid 600] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 600] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 600] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 599] <... futex resumed>) = 0 [pid 599] exit_group(0) = ? [pid 600] <... futex resumed>) = ? [pid 600] +++ exited with 0 +++ [pid 599] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=599, si_uid=0, si_status=0, si_utime=13, si_stime=19} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 60.063854][ T600] F2FS-fs (loop3): switch discard_unit option is not allowed [ 60.160092][ T609] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 60.177540][ T609] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 60.188419][ T609] F2FS-fs (loop4): fault_injection options not supported [ 60.195496][ T609] F2FS-fs (loop4): fault_type options not supported [ 60.203505][ T609] F2FS-fs (loop4): invalid crc value [pid 286] umount2("./10/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... umount2 resumed>) = 0 [ 60.223951][ T609] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 285] umount2("./10/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./10/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./10/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./10/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./10/file4") = 0 [pid 285] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./10/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./10") = 0 [pid 285] mkdir("./11", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 609] <... mount resumed>) = 0 [pid 609] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 628 [pid 609] <... openat resumed>) = 3 [pid 609] chdir("./file4") = 0 [pid 609] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 609] ioctl(4, LOOP_CLR_FD) = 0 [pid 284] <... umount2 resumed>) = 0 [pid 609] close(4) = 0 [pid 609] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 607] <... futex resumed>) = 0 [pid 607] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 607] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 609] <... futex resumed>) = 1 [pid 609] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 284] umount2("./10/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./10/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./10/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./10/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./10/file4") = 0 [pid 284] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./10/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./10") = 0 [pid 284] mkdir("./11", 0777 [pid 283] <... umount2 resumed>) = 0 [pid 284] <... mkdir resumed>) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 283] umount2("./10/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 628 attached [pid 628] set_robust_list(0x55557d22a6a0, 24 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 628] <... set_robust_list resumed>) = 0 [pid 283] newfstatat(AT_FDCWD, "./10/file4", [pid 628] chdir("./11" [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 629 [pid 609] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 609] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 607] <... futex resumed>) = 0 [pid 607] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 607] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 609] <... futex resumed>) = 1 [pid 609] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 609] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 629 attached [pid 607] <... futex resumed>) = 0 [pid 607] exit_group(0) = ? [pid 609] <... futex resumed>) = ? [pid 609] +++ exited with 0 +++ [pid 607] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=607, si_uid=0, si_status=0, si_utime=7, si_stime=19} --- [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 629] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 629] chdir("./11") = 0 [pid 629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 629] setpgid(0, 0) = 0 [pid 629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 629] write(3, "1000", 4) = 4 [pid 628] <... chdir resumed>) = 0 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 628] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 283] umount2("./10/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 628] <... prctl resumed>) = 0 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 628] setpgid(0, 0) = 0 [pid 283] openat(AT_FDCWD, "./10/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 629] close(3 [pid 628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 283] <... openat resumed>) = 4 [pid 629] <... close resumed>) = 0 [pid 287] <... restart_syscall resumed>) = 0 [pid 287] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", [pid 628] <... openat resumed>) = 3 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] newfstatat(4, "", [pid 628] write(3, "1000", 4 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 628] <... write resumed>) = 4 [pid 283] getdents64(4, [pid 628] close(3) = 0 [pid 283] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 628] symlink("/dev/binderfs", "./binderfs" [pid 287] getdents64(3, [pid 283] getdents64(4, [pid 287] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 executing program [pid 628] <... symlink resumed>) = 0 [pid 283] close(4 [pid 628] write(1, "executing program\n", 18 [pid 287] umount2("./10/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... close resumed>) = 0 [pid 628] <... write resumed>) = 18 [pid 283] rmdir("./10/file4" [pid 628] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 283] <... rmdir resumed>) = 0 [pid 628] <... futex resumed>) = 0 [pid 283] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 628] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 628] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 283] newfstatat(AT_FDCWD, "./10/binderfs", [pid 628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 628] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 283] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 628] <... mmap resumed>) = 0x7fb743ef6000 [pid 283] unlink("./10/binderfs" [pid 628] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 283] <... unlink resumed>) = 0 [pid 628] <... mprotect resumed>) = 0 [pid 283] getdents64(3, [pid 628] rt_sigprocmask(SIG_BLOCK, ~[], [pid 283] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 628] <... rt_sigprocmask resumed>[], 8) = 0 [pid 283] close(3 [pid 628] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 283] <... close resumed>) = 0 ./strace-static-x86_64: Process 630 attached [pid 629] symlink("/dev/binderfs", "./binderfs" [pid 286] <... umount2 resumed>) = 0 [pid 283] rmdir("./10" [pid 628] <... clone3 resumed> => {parent_tid=[630]}, 88) = 630 [pid 283] <... rmdir resumed>) = 0 [pid 628] rt_sigprocmask(SIG_SETMASK, [], [pid 283] mkdir("./11", 0777 [pid 628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 283] <... mkdir resumed>) = 0 [pid 628] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 628] <... futex resumed>) = 0 [pid 283] <... openat resumed>) = 3 [ 60.286328][ T609] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 60.293613][ T609] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 60.318957][ T609] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 628] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3executing program ) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 631 [pid 286] umount2("./10/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./10/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./10/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./10/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./10/file4") = 0 [pid 286] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./10/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./10") = 0 [pid 286] mkdir("./11", 0777) = 0 [pid 629] <... symlink resumed>) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 629] write(1, "executing program\n", 18 [pid 286] ioctl(3, LOOP_CLR_FD [pid 629] <... write resumed>) = 18 [pid 286] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 629] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] close(3) = 0 [pid 629] <... futex resumed>) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 629] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 629] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 629] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 executing program [pid 629] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 632 [pid 629] <... clone3 resumed> => {parent_tid=[633]}, 88) = 633 [pid 629] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 629] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 629] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 632 attached [pid 632] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 632] chdir("./11") = 0 [pid 632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 632] setpgid(0, 0) = 0 [pid 632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 632] write(3, "1000", 4) = 4 [pid 632] close(3) = 0 [pid 632] symlink("/dev/binderfs", "./binderfs") = 0 [pid 632] write(1, "executing program\n", 18) = 18 [pid 632] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 632] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 632] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 632] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 632] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 632] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[634]}, 88) = 634 [pid 632] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 632] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 632] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 634 attached [pid 634] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 634] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 634] memfd_create("syzkaller", 0) = 3 [pid 634] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 630] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 630] memfd_create("syzkaller", 0) = 3 [pid 630] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 ./strace-static-x86_64: Process 631 attached ./strace-static-x86_64: Process 633 attached [pid 631] set_robust_list(0x55557d22a6a0, 24 [pid 633] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 631] <... set_robust_list resumed>) = 0 [pid 633] rt_sigprocmask(SIG_SETMASK, [], [pid 631] chdir("./11") = 0 [pid 633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 633] memfd_create("syzkaller", 0 [pid 631] <... prctl resumed>) = 0 [pid 631] setpgid(0, 0 [pid 633] <... memfd_create resumed>) = 3 [pid 631] <... setpgid resumed>) = 0 [pid 633] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 631] write(3, "1000", 4) = 4 [pid 631] close(3) = 0 [pid 631] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 631] write(1, "executing program\n", 18) = 18 [pid 631] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 631] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 631] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 631] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 631] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 631] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[635]}, 88) = 635 [pid 631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 631] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 631] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 635 attached [pid 635] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 635] memfd_create("syzkaller", 0) = 3 [pid 635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 634] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./10/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./10/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./10/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./10/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./10/file4") = 0 [pid 287] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./10/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./10") = 0 [pid 287] mkdir("./11", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 636 ./strace-static-x86_64: Process 636 attached [pid 636] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 636] chdir("./11") = 0 [pid 636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 636] setpgid(0, 0) = 0 [pid 636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 636] write(3, "1000", 4) = 4 [pid 636] close(3) = 0 [pid 636] symlink("/dev/binderfs", "./binderfs") = 0 [pid 636] write(1, "executing program\n", 18executing program ) = 18 [pid 636] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 636] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 636] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 636] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 636] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[637]}, 88) = 637 [pid 636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 636] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 636] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 635] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 637 attached [pid 637] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 637] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 637] memfd_create("syzkaller", 0) = 3 [pid 637] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 630] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 633] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 634] <... write resumed>) = 20699119 [pid 634] munmap(0x7fb73baf6000, 138412032) = 0 [pid 634] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 634] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 634] close(3) = 0 [pid 634] close(4) = 0 [pid 634] mkdir("./file4", 0777) = 0 [pid 634] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 635] <... write resumed>) = 20699119 [pid 635] munmap(0x7fb73baf6000, 138412032) = 0 [pid 635] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 635] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 635] close(3) = 0 [pid 635] close(4) = 0 [pid 635] mkdir("./file4", 0777) = 0 [pid 630] <... write resumed>) = 20699119 [ 60.804698][ T634] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 60.814124][ T634] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 60.829615][ T634] F2FS-fs (loop3): fault_injection options not supported [ 60.837019][ T634] F2FS-fs (loop3): fault_type options not supported [ 60.846037][ T634] F2FS-fs (loop3): invalid crc value [pid 635] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 630] munmap(0x7fb73baf6000, 138412032) = 0 [pid 630] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 630] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 630] close(3) = 0 [pid 630] close(4) = 0 [pid 630] mkdir("./file4", 0777) = 0 [ 60.868795][ T635] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 60.868966][ T634] F2FS-fs (loop3): Found nat_bits in checkpoint [ 60.897491][ T630] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 60.900178][ T635] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 60.904573][ T630] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [pid 630] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 633] <... write resumed>) = 20699119 [pid 633] munmap(0x7fb73baf6000, 138412032) = 0 [pid 633] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 633] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 633] close(3) = 0 [pid 634] <... mount resumed>) = 0 [pid 633] close(4 [pid 634] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 634] chdir("./file4") = 0 [pid 634] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 634] ioctl(4, LOOP_CLR_FD) = 0 [ 60.942291][ T630] F2FS-fs (loop2): fault_injection options not supported [ 60.943464][ T635] F2FS-fs (loop0): fault_injection options not supported [ 60.957149][ T634] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 60.960126][ T630] F2FS-fs (loop2): fault_type options not supported [ 60.964731][ T634] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 60.980936][ T630] F2FS-fs (loop2): invalid crc value [pid 634] close(4) = 0 [pid 634] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 632] <... futex resumed>) = 0 [pid 634] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 632] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 632] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 633] <... close resumed>) = 0 [pid 633] mkdir("./file4", 0777) = 0 [pid 633] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 634] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 634] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 632] <... futex resumed>) = 0 [pid 632] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 632] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 634] <... futex resumed>) = 1 [pid 634] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 634] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 632] <... futex resumed>) = 0 [pid 632] exit_group(0) = ? [pid 634] <... futex resumed>) = ? [pid 634] +++ exited with 0 +++ [pid 632] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=632, si_uid=0, si_status=0, si_utime=8, si_stime=16} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 60.986990][ T634] F2FS-fs (loop3): switch discard_unit option is not allowed [ 60.996352][ T633] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 61.007843][ T635] F2FS-fs (loop0): fault_type options not supported [ 61.015045][ T633] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 61.036153][ T630] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 286] umount2("./11/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 61.036734][ T633] F2FS-fs (loop1): fault_injection options not supported [ 61.056244][ T635] F2FS-fs (loop0): invalid crc value [pid 637] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 637] munmap(0x7fb73baf6000, 138412032) = 0 [ 61.087053][ T635] F2FS-fs (loop0): Found nat_bits in checkpoint [ 61.096040][ T633] F2FS-fs (loop1): fault_type options not supported [ 61.121654][ T633] F2FS-fs (loop1): invalid crc value [pid 637] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 630] <... mount resumed>) = 0 [pid 630] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 630] chdir("./file4") = 0 [pid 630] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 630] ioctl(4, LOOP_CLR_FD) = 0 [pid 630] close(4) = 0 [pid 630] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 628] <... futex resumed>) = 0 [pid 628] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 628] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 630] <... futex resumed>) = 1 [pid 630] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 630] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 628] <... futex resumed>) = 0 [pid 628] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 628] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 630] <... futex resumed>) = 1 [pid 630] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [ 61.133792][ T630] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 61.141548][ T630] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 61.148506][ T633] F2FS-fs (loop1): Found nat_bits in checkpoint [ 61.163315][ T630] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 637] ioctl(4, LOOP_SET_FD, 3 [pid 630] <... symlink resumed>) = 0 [pid 630] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 628] <... futex resumed>) = 0 [pid 628] exit_group(0) = ? [pid 630] <... futex resumed>) = ? [pid 630] +++ exited with 0 +++ [pid 628] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=628, si_uid=0, si_status=0, si_utime=9, si_stime=19} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./11/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 637] <... ioctl resumed>) = 0 [pid 637] close(3) = 0 [pid 637] close(4) = 0 [pid 637] mkdir("./file4", 0777) = 0 [pid 637] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./11/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./11/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./11/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./11/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./11/file4") = 0 [pid 286] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./11/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./11") = 0 [pid 286] mkdir("./12", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3executing program ) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 654 ./strace-static-x86_64: Process 654 attached [pid 654] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 654] chdir("./12") = 0 [pid 654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 654] setpgid(0, 0) = 0 [pid 654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 654] write(3, "1000", 4) = 4 [pid 654] close(3) = 0 [pid 654] symlink("/dev/binderfs", "./binderfs") = 0 [pid 654] write(1, "executing program\n", 18) = 18 [pid 654] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 654] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 654] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 654] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 654] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 654] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[655]}, 88) = 655 [pid 654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 654] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 654] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 655 attached [pid 655] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 655] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 655] memfd_create("syzkaller", 0) = 3 [pid 655] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 61.183563][ T635] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 61.194179][ T635] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 61.210057][ T637] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [pid 635] <... mount resumed>) = 0 [pid 635] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 635] chdir("./file4") = 0 [pid 635] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 635] ioctl(4, LOOP_CLR_FD) = 0 [pid 635] close(4) = 0 [pid 635] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 631] <... futex resumed>) = 0 [pid 631] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 635] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 631] <... futex resumed>) = 0 [ 61.251328][ T637] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 631] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 635] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 635] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 631] <... futex resumed>) = 0 [pid 635] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 631] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 631] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 635] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 635] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 631] <... futex resumed>) = 0 [pid 635] <... futex resumed>) = 1 [pid 631] exit_group(0 [pid 635] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 631] <... exit_group resumed>) = ? [pid 635] <... futex resumed>) = -1 (errno 18446744073709551414) [pid 635] +++ exited with 0 +++ [pid 631] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=631, si_uid=0, si_status=0, si_utime=11, si_stime=16} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./11/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 61.296962][ T635] F2FS-fs (loop0): switch discard_unit option is not allowed [ 61.319022][ T637] F2FS-fs (loop4): fault_injection options not supported [ 61.333852][ T637] F2FS-fs (loop4): fault_type options not supported [pid 655] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 633] <... mount resumed>) = 0 [pid 633] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 633] chdir("./file4") = 0 [pid 633] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 655] <... write resumed>) = 20699119 [pid 655] munmap(0x7fb73baf6000, 138412032) = 0 [ 61.379360][ T633] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 61.386525][ T637] F2FS-fs (loop4): invalid crc value [ 61.395842][ T633] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 655] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./11/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./11/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./11/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 633] <... openat resumed>) = 4 [pid 655] <... openat resumed>) = 4 [pid 655] ioctl(4, LOOP_SET_FD, 3 [pid 285] openat(AT_FDCWD, "./11/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 633] ioctl(4, LOOP_CLR_FD [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./11/file4") = 0 [pid 285] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./11/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./11") = 0 [pid 285] mkdir("./12", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 655] <... ioctl resumed>) = 0 [pid 655] close(3) = 0 [ 61.420286][ T637] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 655] close(4 [pid 637] <... mount resumed>) = 0 [pid 637] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 637] chdir("./file4") = 0 [pid 637] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./11/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./11/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./11/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./11/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./11/file4") = 0 [pid 283] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./11/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./11") = 0 [pid 283] mkdir("./12", 0777) = 0 [ 61.469362][ T637] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 61.476835][ T637] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 655] <... close resumed>) = 0 [pid 655] mkdir("./file4", 0777) = 0 [pid 655] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 633] <... ioctl resumed>) = 0 [pid 285] <... openat resumed>) = 3 [pid 637] <... openat resumed>) = 4 [pid 633] close(4 [pid 285] ioctl(3, LOOP_CLR_FD [pid 637] ioctl(4, LOOP_CLR_FD [pid 633] <... close resumed>) = 0 [pid 285] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 637] <... ioctl resumed>) = 0 [pid 633] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] close(3 [pid 637] close(4 [pid 633] <... futex resumed>) = 1 [pid 285] <... close resumed>) = 0 [pid 637] <... close resumed>) = 0 [pid 633] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 637] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 636] <... futex resumed>) = 0 [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 661 [pid 637] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 636] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 661 attached ) = 0 [pid 629] <... futex resumed>) = 0 [pid 636] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 661] set_robust_list(0x55557d22a6a0, 24 [pid 629] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 661] <... set_robust_list resumed>) = 0 [pid 633] <... futex resumed>) = 0 [pid 629] <... futex resumed>) = 1 [pid 661] chdir("./12" [pid 633] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULLexecuting program [pid 629] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 661] <... chdir resumed>) = 0 [pid 661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 661] setpgid(0, 0) = 0 [pid 661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 661] write(3, "1000", 4) = 4 [pid 661] close(3) = 0 [pid 661] symlink("/dev/binderfs", "./binderfs") = 0 [pid 661] write(1, "executing program\n", 18) = 18 [pid 661] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 661] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 661] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 661] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 661] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[662]}, 88) = 662 [pid 661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 661] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 661] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 283] <... openat resumed>) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 663 [ 61.529643][ T655] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 61.536832][ T655] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 61.545352][ T655] F2FS-fs (loop3): fault_injection options not supported [ 61.548310][ T637] F2FS-fs (loop4): switch discard_unit option is not allowed [ 61.552914][ T655] F2FS-fs (loop3): fault_type options not supported [ 61.567570][ T633] F2FS-fs (loop1): switch discard_unit option is not allowed ./strace-static-x86_64: Process 662 attached [pid 662] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 662] memfd_create("syzkaller", 0) = 3 [pid 633] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 662] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 633] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 629] <... futex resumed>) = 0 [pid 629] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 629] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 633] <... futex resumed>) = 1 [pid 633] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 633] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 629] <... futex resumed>) = 0 [pid 629] exit_group(0) = ? [pid 633] <... futex resumed>) = ? [pid 633] +++ exited with 0 +++ [pid 629] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=629, si_uid=0, si_status=0, si_utime=9, si_stime=20} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 663 attached [pid 663] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 663] chdir("./12") = 0 [pid 663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 663] setpgid(0, 0) = 0 [pid 663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 663] write(3, "1000", 4) = 4 [pid 663] close(3) = 0 [pid 663] symlink("/dev/binderfs", "./binderfs") = 0 [pid 663] write(1, "executing program\n", 18executing program ) = 18 [pid 284] <... restart_syscall resumed>) = 0 [pid 284] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./11/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 663] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 636] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 636] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ed5000 [pid 636] mprotect(0x7fb743ed6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 636] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743ef5990, parent_tid=0x7fb743ef5990, exit_signal=0, stack=0x7fb743ed5000, stack_size=0x20300, tls=0x7fb743ef56c0} => {parent_tid=[666]}, 88) = 666 [pid 636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 636] futex(0x7fb743fe76b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 636] futex(0x7fb743fe76bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 663] <... futex resumed>) = 0 [pid 663] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 663] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 663] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 666 attached [pid 663] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 663] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[667]}, 88) = 667 [pid 663] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 663] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 666] set_robust_list(0x7fb743ef59a0, 24 [pid 663] <... futex resumed>) = 0 [pid 637] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 637] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 666] <... set_robust_list resumed>) = 0 [pid 663] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 666] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 666] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 636] <... futex resumed>) = 0 [pid 636] exit_group(0) = ? [ 61.567640][ T655] F2FS-fs (loop3): invalid crc value [ 61.596347][ T655] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 666] +++ exited with 0 +++ ./strace-static-x86_64: Process 667 attached [pid 667] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 667] memfd_create("syzkaller", 0) = 3 [pid 667] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 637] <... futex resumed>) = ? [pid 637] +++ exited with 0 +++ [pid 636] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=636, si_uid=0, si_status=0, si_utime=8, si_stime=18} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 61.636913][ T655] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 61.644345][ T655] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 287] umount2("./11/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 655] <... mount resumed>) = 0 [pid 655] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 655] chdir("./file4") = 0 [pid 655] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 655] ioctl(4, LOOP_CLR_FD) = 0 [pid 655] close(4) = 0 [pid 655] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 654] <... futex resumed>) = 0 [pid 654] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 654] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 655] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 655] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 654] <... futex resumed>) = 0 [pid 654] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 654] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 655] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 655] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 654] <... futex resumed>) = 0 [pid 654] exit_group(0) = ? [pid 655] +++ exited with 0 +++ [pid 654] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=654, si_uid=0, si_status=0, si_utime=8, si_stime=20} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./12/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 61.726270][ T655] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 662] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 667] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./11/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./11/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./11/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./11/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./11/file4") = 0 [pid 284] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./11/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./11") = 0 [pid 284] mkdir("./12", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 669 [pid 662] <... write resumed>) = 20699119 ./strace-static-x86_64: Process 669 attached [pid 669] set_robust_list(0x55557d22a6a0, 24 [pid 662] munmap(0x7fb73baf6000, 138412032 [pid 669] <... set_robust_list resumed>) = 0 [pid 669] chdir("./12") = 0 [pid 669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 669] setpgid(0, 0) = 0 [pid 669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 669] write(3, "1000", 4) = 4 [pid 669] close(3) = 0 [pid 669] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 669] write(1, "executing program\n", 18) = 18 [pid 662] <... munmap resumed>) = 0 [pid 669] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 662] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 669] <... futex resumed>) = 0 [pid 662] <... openat resumed>) = 4 [pid 669] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 662] ioctl(4, LOOP_SET_FD, 3 [pid 669] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 669] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 669] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 669] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[671]}, 88) = 671 [pid 669] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 669] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 669] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 671 attached [pid 662] <... ioctl resumed>) = 0 [pid 662] close(3) = 0 [pid 662] close(4) = 0 [pid 662] mkdir("./file4", 0777 [pid 671] set_robust_list(0x7fb743f169a0, 24 [pid 662] <... mkdir resumed>) = 0 [pid 662] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 671] <... set_robust_list resumed>) = 0 [pid 671] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 671] memfd_create("syzkaller", 0) = 3 [pid 671] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 61.946841][ T662] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 61.954094][ T662] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 61.962529][ T662] F2FS-fs (loop2): fault_injection options not supported [ 61.969716][ T662] F2FS-fs (loop2): fault_type options not supported [ 61.977673][ T662] F2FS-fs (loop2): invalid crc value [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./12/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./12/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./12/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./12/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./12/file4") = 0 [pid 286] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./12/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./12") = 0 [pid 286] mkdir("./13", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 675 [pid 287] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 675 attached [ 62.006572][ T662] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 675] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 675] chdir("./13") = 0 [pid 675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 675] setpgid(0, 0) = 0 [pid 675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 675] write(3, "1000", 4) = 4 [pid 675] close(3) = 0 [pid 675] symlink("/dev/binderfs", "./binderfs") = 0 [pid 675] write(1, "executing program\n", 18 [pid 287] umount2("./11/file4", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 675] <... write resumed>) = 18 [pid 675] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./11/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 675] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 675] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 675] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 675] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[676]}, 88) = 676 [pid 675] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 675] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 675] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 287] umount2("./11/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 676 attached [pid 676] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 676] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 676] memfd_create("syzkaller", 0) = 3 [pid 676] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./11/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./11/file4") = 0 [pid 287] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./11/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./11") = 0 [pid 287] mkdir("./12", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 677 [pid 662] <... mount resumed>) = 0 [pid 662] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 662] chdir("./file4") = 0 [pid 662] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 662] ioctl(4, LOOP_CLR_FD) = 0 [ 62.048477][ T662] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 62.065803][ T662] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 662] close(4) = 0 [pid 662] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 661] <... futex resumed>) = 0 [pid 661] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 661] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 662] <... futex resumed>) = 1 [pid 662] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL./strace-static-x86_64: Process 677 attached [pid 677] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 677] chdir("./12") = 0 [pid 677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 677] setpgid(0, 0) = 0 [pid 677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 667] <... write resumed>) = 20699119 [pid 677] <... openat resumed>) = 3 [pid 677] write(3, "1000", 4) = 4 [pid 677] close(3) = 0 [pid 677] symlink("/dev/binderfs", "./binderfs") = 0 [pid 677] write(1, "executing program\n", 18executing program ) = 18 [pid 677] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 677] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 677] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 677] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 677] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[678]}, 88) = 678 [pid 677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 677] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 677] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 667] munmap(0x7fb73baf6000, 138412032) = 0 ./strace-static-x86_64: Process 678 attached [pid 678] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 678] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 667] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 678] memfd_create("syzkaller", 0) = 3 [pid 678] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 667] <... openat resumed>) = 4 [pid 667] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 667] close(3) = 0 [pid 667] close(4) = 0 [pid 667] mkdir("./file4", 0777) = 0 [pid 667] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 662] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 661] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 661] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 661] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 662] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 661] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 662] <... futex resumed>) = 0 [pid 662] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 661] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 62.120148][ T662] F2FS-fs (loop2): switch discard_unit option is not allowed [ 62.151623][ T667] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [pid 661] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 662] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 662] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 661] <... futex resumed>) = 0 [pid 662] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 661] exit_group(0) = ? [pid 662] <... futex resumed>) = ? [pid 662] +++ exited with 0 +++ [pid 661] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=661, si_uid=0, si_status=0, si_utime=11, si_stime=14} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 62.180904][ T667] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 62.220355][ T667] F2FS-fs (loop0): fault_injection options not supported [pid 285] umount2("./12/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 678] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [ 62.251051][ T667] F2FS-fs (loop0): fault_type options not supported [ 62.288767][ T667] F2FS-fs (loop0): invalid crc value [pid 676] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 678] <... write resumed>) = 20699119 [pid 678] munmap(0x7fb73baf6000, 138412032) = 0 [pid 678] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 678] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 678] close(3) = 0 [pid 678] close(4) = 0 [pid 678] mkdir("./file4", 0777) = 0 [ 62.316624][ T667] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 678] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 62.373859][ T678] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 62.401512][ T678] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 671] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 667] <... mount resumed>) = 0 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./12/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./12/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./12/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./12/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, [pid 667] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 285] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./12/file4") = 0 [pid 285] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./12/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./12" [pid 667] <... openat resumed>) = 3 [pid 285] <... rmdir resumed>) = 0 [pid 285] mkdir("./13", 0777 [pid 667] chdir("./file4" [pid 285] <... mkdir resumed>) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3 [pid 667] <... chdir resumed>) = 0 [pid 285] <... close resumed>) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 667] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 684 ./strace-static-x86_64: Process 684 attached [pid 684] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 684] chdir("./13") = 0 [pid 684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 684] setpgid(0, 0) = 0 [pid 684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 684] write(3, "1000", 4) = 4 [pid 684] close(3) = 0 [pid 684] symlink("/dev/binderfs", "./binderfs") = 0 [pid 667] ioctl(4, LOOP_CLR_FD executing program [pid 684] write(1, "executing program\n", 18) = 18 [pid 684] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 684] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 684] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 684] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 667] <... ioctl resumed>) = 0 [pid 684] rt_sigprocmask(SIG_BLOCK, ~[], [pid 667] close(4 [pid 684] <... rt_sigprocmask resumed>[], 8) = 0 [ 62.420812][ T667] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 62.425884][ T678] F2FS-fs (loop4): fault_injection options not supported [ 62.435071][ T667] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 667] <... close resumed>) = 0 [pid 667] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 684] <... clone3 resumed> => {parent_tid=[685]}, 88) = 685 [pid 684] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 684] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 684] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 667] <... futex resumed>) = 1 [pid 663] <... futex resumed>) = 0 [pid 663] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 667] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 663] <... futex resumed>) = 0 [pid 663] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 667] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 667] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 663] <... futex resumed>) = 0 [pid 663] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 667] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 663] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 667] <... symlink resumed>) = 0 [pid 667] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 663] <... futex resumed>) = 0 [pid 663] exit_group(0 [pid 667] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 (errno 18446744073709551414) [pid 663] <... exit_group resumed>) = ? [pid 667] +++ exited with 0 +++ [pid 663] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=663, si_uid=0, si_status=0, si_utime=9, si_stime=20} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 676] <... write resumed>) = 20699119 [pid 676] munmap(0x7fb73baf6000, 138412032./strace-static-x86_64: Process 685 attached [pid 685] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 685] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 685] memfd_create("syzkaller", 0) = 3 [pid 685] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 676] <... munmap resumed>) = 0 [pid 676] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 676] ioctl(4, LOOP_SET_FD, 3 [pid 685] <... mmap resumed>) = 0x7fb73baf6000 [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./12/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 676] <... ioctl resumed>) = 0 [pid 676] close(3) = 0 [pid 676] close(4) = 0 [ 62.465833][ T678] F2FS-fs (loop4): fault_type options not supported [ 62.474308][ T667] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 676] mkdir("./file4", 0777) = 0 [ 62.525679][ T678] F2FS-fs (loop4): invalid crc value [ 62.531865][ T676] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 62.552258][ T676] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [pid 676] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 671] <... write resumed>) = 20699119 [pid 671] munmap(0x7fb73baf6000, 138412032) = 0 [pid 671] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 671] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 671] close(3) = 0 [pid 671] close(4) = 0 [pid 671] mkdir("./file4", 0777) = 0 [ 62.571426][ T676] F2FS-fs (loop3): fault_injection options not supported [ 62.579383][ T678] F2FS-fs (loop4): Found nat_bits in checkpoint [ 62.582360][ T676] F2FS-fs (loop3): fault_type options not supported [ 62.596871][ T676] F2FS-fs (loop3): invalid crc value [ 62.611544][ T671] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 62.635826][ T671] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 62.645197][ T676] F2FS-fs (loop3): Found nat_bits in checkpoint [ 62.675079][ T671] F2FS-fs (loop1): fault_injection options not supported [pid 671] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./12/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./12/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./12/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./12/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./12/file4") = 0 [pid 283] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./12/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./12") = 0 [pid 283] mkdir("./13", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 694 ./strace-static-x86_64: Process 694 attached [pid 694] set_robust_list(0x55557d22a6a0, 24) = 0 [ 62.688806][ T671] F2FS-fs (loop1): fault_type options not supported [ 62.721052][ T676] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 62.728801][ T671] F2FS-fs (loop1): invalid crc value [pid 685] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 694] chdir("./13") = 0 [pid 694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 694] setpgid(0, 0) = 0 [pid 694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 678] <... mount resumed>) = 0 [pid 676] <... mount resumed>) = 0 [pid 694] <... openat resumed>) = 3 [pid 694] write(3, "1000", 4 [pid 678] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 676] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 694] <... write resumed>) = 4 [pid 676] <... openat resumed>) = 3 [pid 694] close(3 [pid 676] chdir("./file4" [pid 694] <... close resumed>) = 0 [pid 678] <... openat resumed>) = 3 [pid 676] <... chdir resumed>) = 0 [pid 694] symlink("/dev/binderfs", "./binderfs" [pid 678] chdir("./file4" [pid 676] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 694] <... symlink resumed>) = 0 executing program [pid 694] write(1, "executing program\n", 18 [pid 678] <... chdir resumed>) = 0 [pid 676] <... openat resumed>) = 4 [pid 694] <... write resumed>) = 18 [pid 678] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 676] ioctl(4, LOOP_CLR_FD [pid 694] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 678] <... openat resumed>) = 4 [pid 676] <... ioctl resumed>) = 0 [pid 694] <... futex resumed>) = 0 [pid 678] ioctl(4, LOOP_CLR_FD [pid 676] close(4 [pid 694] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 676] <... close resumed>) = 0 [pid 694] <... rt_sigaction resumed>NULL, 8) = 0 [pid 676] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 678] <... ioctl resumed>) = 0 [pid 694] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 676] <... futex resumed>) = 1 [pid 678] close(4 [pid 694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 676] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 678] <... close resumed>) = 0 [pid 694] <... mmap resumed>) = 0x7fb743ef6000 [pid 694] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 678] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 675] <... futex resumed>) = 0 [pid 694] <... mprotect resumed>) = 0 [pid 678] <... futex resumed>) = 1 [pid 694] rt_sigprocmask(SIG_BLOCK, ~[], [pid 677] <... futex resumed>) = 0 [pid 675] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 678] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 694] <... rt_sigprocmask resumed>[], 8) = 0 [pid 694] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 677] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 676] <... futex resumed>) = 0 [pid 675] <... futex resumed>) = 1 [pid 678] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 677] <... futex resumed>) = 0 [pid 676] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 675] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 694] <... clone3 resumed> => {parent_tid=[697]}, 88) = 697 [pid 677] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 676] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 62.735131][ T678] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 62.743048][ T676] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 62.751826][ T678] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 62.761847][ T671] F2FS-fs (loop1): Found nat_bits in checkpoint [ 62.777837][ T676] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 694] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 694] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 676] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 697 attached [pid 697] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 697] memfd_create("syzkaller", 0) = 3 [pid 676] <... futex resumed>) = 1 [pid 675] <... futex resumed>) = 0 [pid 676] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 678] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 678] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 677] <... futex resumed>) = 0 [pid 675] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 678] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 677] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 676] <... futex resumed>) = 0 [pid 675] <... futex resumed>) = 1 [pid 678] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 677] <... futex resumed>) = 0 [pid 676] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 675] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 677] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 678] <... symlink resumed>) = 0 [pid 697] <... mmap resumed>) = 0x7fb73baf6000 [pid 676] <... symlink resumed>) = 0 [pid 678] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 677] <... futex resumed>) = 0 [pid 676] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 678] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 677] exit_group(0 [pid 676] <... futex resumed>) = 1 [pid 675] <... futex resumed>) = 0 [pid 678] <... futex resumed>) = ? [pid 677] <... exit_group resumed>) = ? [pid 676] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 675] exit_group(0 [pid 678] +++ exited with 0 +++ [pid 677] +++ exited with 0 +++ [pid 676] <... futex resumed>) = ? [pid 675] <... exit_group resumed>) = ? [pid 676] +++ exited with 0 +++ [pid 675] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=677, si_uid=0, si_status=0, si_utime=8, si_stime=22} --- [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=675, si_uid=0, si_status=0, si_utime=7, si_stime=24} --- [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 287] <... restart_syscall resumed>) = 0 [pid 286] <... restart_syscall resumed>) = 0 [pid 286] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 286] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 287] <... openat resumed>) = 3 [pid 286] <... openat resumed>) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] newfstatat(3, "", [pid 287] getdents64(3, [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] getdents64(3, [pid 287] umount2("./12/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [ 62.785563][ T678] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 286] umount2("./13/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 685] <... write resumed>) = 20699119 [pid 685] munmap(0x7fb73baf6000, 138412032) = 0 [pid 685] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 671] <... mount resumed>) = 0 [pid 671] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 671] chdir("./file4") = 0 [pid 671] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 685] <... openat resumed>) = 4 [ 62.876009][ T671] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 62.893478][ T671] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 685] ioctl(4, LOOP_SET_FD, 3 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./13/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./13/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./13/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./13/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./13/file4") = 0 [pid 286] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./13/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./13") = 0 [pid 286] mkdir("./14", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 697] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 671] <... openat resumed>) = 4 [pid 671] ioctl(4, LOOP_CLR_FD [pid 685] <... ioctl resumed>) = 0 [pid 671] <... ioctl resumed>) = 0 [pid 685] close(3) = 0 [pid 685] close(4 [pid 671] close(4 [pid 685] <... close resumed>) = 0 [pid 286] <... openat resumed>) = 3 [pid 685] mkdir("./file4", 0777) = 0 [pid 685] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] ioctl(3, LOOP_CLR_FD [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./12/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./12/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./12/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./12/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./12/file4") = 0 [pid 287] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./12/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./12") = 0 [pid 287] mkdir("./13", 0777 [pid 697] <... write resumed>) = 20699119 [pid 287] <... mkdir resumed>) = 0 [pid 697] munmap(0x7fb73baf6000, 138412032 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 697] <... munmap resumed>) = 0 [pid 697] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 671] <... close resumed>) = 0 [pid 286] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 671] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] close(3 [pid 671] <... futex resumed>) = 1 [pid 669] <... futex resumed>) = 0 [pid 286] <... close resumed>) = 0 [pid 671] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 669] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 669] <... futex resumed>) = 0 [pid 669] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 700 [pid 287] <... openat resumed>) = 3 [pid 697] <... openat resumed>) = 4 [pid 697] ioctl(4, LOOP_SET_FD, 3 [pid 287] ioctl(3, LOOP_CLR_FD [pid 671] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 671] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 669] <... futex resumed>) = 0 [pid 669] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 669] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 671] <... futex resumed>) = 1 [pid 671] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 671] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 669] <... futex resumed>) = 0 [pid 669] exit_group(0) = ? [pid 671] <... futex resumed>) = ? [pid 671] +++ exited with 0 +++ [pid 669] +++ exited with 0 +++ ./strace-static-x86_64: Process 700 attached [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=669, si_uid=0, si_status=0, si_utime=11, si_stime=17} --- [pid 697] <... ioctl resumed>) = 0 [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 697] close(3) = 0 [pid 697] close(4 [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 702 [pid 284] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./12/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 700] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 700] chdir("./14") = 0 [pid 700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 700] setpgid(0, 0) = 0 [pid 700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 700] write(3, "1000", 4) = 4 [pid 700] close(3) = 0 ./strace-static-x86_64: Process 702 attached [pid 700] symlink("/dev/binderfs", "./binderfs") = 0 [pid 700] write(1, "executing program\n", 18executing program ) = 18 [pid 700] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 700] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 700] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 700] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 700] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 700] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 700] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[703]}, 88) = 703 [pid 700] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 700] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 63.049784][ T671] F2FS-fs (loop1): switch discard_unit option is not allowed [ 63.056293][ T685] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 63.064296][ T685] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 63.073213][ T685] F2FS-fs (loop2): fault_injection options not supported [ 63.089289][ T685] F2FS-fs (loop2): fault_type options not supported [pid 700] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 697] <... close resumed>) = 0 [pid 702] set_robust_list(0x55557d22a6a0, 24 [pid 697] mkdir("./file4", 0777./strace-static-x86_64: Process 703 attached [pid 702] <... set_robust_list resumed>) = 0 [pid 697] <... mkdir resumed>) = 0 [pid 703] set_robust_list(0x7fb743f169a0, 24 [pid 697] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 703] <... set_robust_list resumed>) = 0 [pid 702] chdir("./13" [pid 703] rt_sigprocmask(SIG_SETMASK, [], [pid 702] <... chdir resumed>) = 0 [pid 703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 703] memfd_create("syzkaller", 0) = 3 [pid 702] <... prctl resumed>) = 0 [pid 703] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 702] setpgid(0, 0 [pid 703] <... mmap resumed>) = 0x7fb73baf6000 [pid 702] <... setpgid resumed>) = 0 [pid 702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 702] write(3, "1000", 4) = 4 [pid 702] close(3) = 0 [pid 702] symlink("/dev/binderfs", "./binderfs") = 0 [pid 702] write(1, "executing program\n", 18executing program ) = 18 [pid 702] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 702] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 702] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 702] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 702] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[706]}, 88) = 706 [pid 702] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 702] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 702] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 706 attached [pid 706] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 706] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 706] memfd_create("syzkaller", 0) = 3 [ 63.100340][ T685] F2FS-fs (loop2): invalid crc value [ 63.103432][ T697] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 63.125934][ T697] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 63.135413][ T685] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 706] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 63.157086][ T697] F2FS-fs (loop0): fault_injection options not supported [ 63.165973][ T697] F2FS-fs (loop0): fault_type options not supported [ 63.196509][ T697] F2FS-fs (loop0): invalid crc value [ 63.236522][ T697] F2FS-fs (loop0): Found nat_bits in checkpoint [ 63.261807][ T685] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [pid 703] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 685] <... mount resumed>) = 0 [pid 685] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 685] chdir("./file4") = 0 [pid 685] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 685] ioctl(4, LOOP_CLR_FD) = 0 [pid 685] close(4) = 0 [pid 685] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 684] <... futex resumed>) = 0 [pid 685] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 684] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 684] <... futex resumed>) = 0 [pid 685] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 684] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 284] <... umount2 resumed>) = 0 [pid 685] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 685] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 684] <... futex resumed>) = 0 [pid 685] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 684] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 684] <... futex resumed>) = 0 [pid 685] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 684] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 685] <... symlink resumed>) = 0 [pid 685] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 684] <... futex resumed>) = 0 [pid 284] umount2("./12/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 685] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 684] exit_group(0 [pid 685] <... futex resumed>) = ? [pid 684] <... exit_group resumed>) = ? [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 63.295895][ T685] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 63.335589][ T685] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 284] newfstatat(AT_FDCWD, "./12/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./12/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./12/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./12/file4") = 0 [pid 284] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./12/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./12") = 0 [pid 284] mkdir("./13", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3 [pid 685] +++ exited with 0 +++ [pid 684] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=684, si_uid=0, si_status=0, si_utime=12, si_stime=17} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 284] <... close resumed>) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 711 [pid 285] <... restart_syscall resumed>) = 0 [pid 285] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./13/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 711 attached [pid 711] set_robust_list(0x55557d22a6a0, 24 [pid 697] <... mount resumed>) = 0 [pid 711] <... set_robust_list resumed>) = 0 [pid 697] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 711] chdir("./13" [pid 697] <... openat resumed>) = 3 [pid 711] <... chdir resumed>) = 0 [pid 697] chdir("./file4" [pid 711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 697] <... chdir resumed>) = 0 [pid 711] <... prctl resumed>) = 0 [pid 697] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 711] setpgid(0, 0) = 0 [pid 697] <... openat resumed>) = 4 [pid 711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 697] ioctl(4, LOOP_CLR_FD [pid 711] <... openat resumed>) = 3 [pid 697] <... ioctl resumed>) = 0 [pid 711] write(3, "1000", 4 [pid 697] close(4 [pid 711] <... write resumed>) = 4 [pid 711] close(3 [pid 697] <... close resumed>) = 0 [pid 711] <... close resumed>) = 0 [pid 697] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 711] symlink("/dev/binderfs", "./binderfs" [pid 697] <... futex resumed>) = 1 executing program [pid 694] <... futex resumed>) = 0 [pid 711] <... symlink resumed>) = 0 [pid 697] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 711] write(1, "executing program\n", 18) = 18 [pid 694] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 711] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 697] <... futex resumed>) = 0 [pid 694] <... futex resumed>) = 1 [pid 711] <... futex resumed>) = 0 [pid 697] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 694] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 711] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 697] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 711] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 711] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 711] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[712]}, 88) = 712 [pid 711] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 711] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 711] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 712 attached [pid 712] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 712] memfd_create("syzkaller", 0) = 3 [pid 712] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 697] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 694] <... futex resumed>) = 0 [pid 694] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 694] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 697] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 697] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 694] <... futex resumed>) = 0 [pid 697] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 694] exit_group(0 [pid 697] <... futex resumed>) = ? [pid 694] <... exit_group resumed>) = ? [ 63.356483][ T697] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 63.363575][ T697] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 63.396113][ T697] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 697] +++ exited with 0 +++ [pid 694] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=694, si_uid=0, si_status=0, si_utime=7, si_stime=14} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./13/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 703] <... write resumed>) = 20699119 [pid 703] munmap(0x7fb73baf6000, 138412032) = 0 [pid 703] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 706] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 703] <... openat resumed>) = 4 [pid 703] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 703] close(3) = 0 [pid 703] close(4) = 0 [pid 703] mkdir("./file4", 0777) = 0 [pid 703] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 706] <... write resumed>) = 20699119 [ 63.509674][ T703] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 63.538075][ T703] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [pid 706] munmap(0x7fb73baf6000, 138412032) = 0 [pid 706] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 706] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 706] close(3) = 0 [ 63.565191][ T703] F2FS-fs (loop3): fault_injection options not supported [ 63.573539][ T703] F2FS-fs (loop3): fault_type options not supported [ 63.581340][ T703] F2FS-fs (loop3): invalid crc value [ 63.590481][ T703] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 706] close(4 [pid 712] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./13/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 703] <... mount resumed>) = 0 [pid 703] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 703] chdir("./file4") = 0 [pid 703] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 703] ioctl(4, LOOP_CLR_FD) = 0 [pid 703] close(4) = 0 [pid 703] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 700] <... futex resumed>) = 0 [pid 700] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 700] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 703] <... futex resumed>) = 1 [pid 703] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 706] <... close resumed>) = 0 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 706] mkdir("./file4", 0777 [pid 285] newfstatat(AT_FDCWD, "./13/file4", [pid 706] <... mkdir resumed>) = 0 [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 706] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 285] umount2("./13/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./13/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./13/file4" [pid 703] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 703] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] <... rmdir resumed>) = 0 [pid 285] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./13/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./13") = 0 [pid 285] mkdir("./14", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 703] <... futex resumed>) = 1 [pid 700] <... futex resumed>) = 0 [pid 700] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 700] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 63.635192][ T703] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 63.642534][ T703] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 63.655144][ T703] F2FS-fs (loop3): switch discard_unit option is not allowed [ 63.677244][ T703] handle_bad_sector: 36 callbacks suppressed [pid 703] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 285] <... openat resumed>) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 718 executing program ./strace-static-x86_64: Process 718 attached [pid 700] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 700] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 718] set_robust_list(0x55557d22a6a0, 24 [pid 700] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 700] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 718] <... set_robust_list resumed>) = 0 [pid 700] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 718] chdir("./14") = 0 [pid 718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 718] setpgid(0, 0) = 0 [pid 718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 718] write(3, "1000", 4) = 4 [pid 718] close(3) = 0 [pid 718] symlink("/dev/binderfs", "./binderfs") = 0 [pid 718] write(1, "executing program\n", 18) = 18 [pid 718] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 718] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 718] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 718] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 718] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 718] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[719]}, 88) = 719 [pid 718] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 718] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 718] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 719 attached [pid 719] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 719] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 719] memfd_create("syzkaller", 0) = 3 [pid 719] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 712] <... write resumed>) = 20699119 [pid 712] munmap(0x7fb73baf6000, 138412032) = 0 [pid 712] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 712] ioctl(4, LOOP_SET_FD, 3 [pid 703] <... symlink resumed>) = 0 [pid 703] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 63.677258][ T703] attempt to access beyond end of device [ 63.677258][ T703] loop3: rw=2049, want=53256, limit=40427 [ 63.704560][ T706] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 63.725809][ T706] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 703] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 700] exit_group(0) = ? [pid 712] <... ioctl resumed>) = 0 [pid 712] close(3) = 0 [pid 712] close(4 [pid 703] <... futex resumed>) = ? [pid 703] +++ exited with 0 +++ [pid 700] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=700, si_uid=0, si_status=0, si_utime=9, si_stime=24} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./14/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 712] <... close resumed>) = 0 [pid 712] mkdir("./file4", 0777) = 0 [ 63.745065][ T706] F2FS-fs (loop4): fault_injection options not supported [ 63.753149][ T286] attempt to access beyond end of device [ 63.753149][ T286] loop3: rw=2049, want=45104, limit=40427 [ 63.764795][ T706] F2FS-fs (loop4): fault_type options not supported [ 63.772306][ T706] F2FS-fs (loop4): invalid crc value [pid 712] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./13/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./13/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./13/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./13/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./13/file4") = 0 [pid 283] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./13/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./13") = 0 [pid 283] mkdir("./14", 0777) = 0 [ 63.797339][ T706] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 723 ./strace-static-x86_64: Process 723 attached [pid 723] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 723] chdir("./14") = 0 [pid 723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 723] setpgid(0, 0) = 0 [pid 723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 723] write(3, "1000", 4) = 4 [pid 723] close(3) = 0 [pid 723] symlink("/dev/binderfs", "./binderfs") = 0 [pid 723] write(1, "executing program\n", 18executing program ) = 18 [pid 723] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 723] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 723] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 723] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[724]}, 88) = 724 [pid 723] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 723] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 723] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 724 attached [pid 724] set_robust_list(0x7fb743f169a0, 24) = 0 [ 63.838394][ T712] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 63.845905][ T712] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 63.854292][ T712] F2FS-fs (loop1): fault_injection options not supported [ 63.868125][ T712] F2FS-fs (loop1): fault_type options not supported [ 63.882609][ T712] F2FS-fs (loop1): invalid crc value [pid 724] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 724] memfd_create("syzkaller", 0 [pid 706] <... mount resumed>) = 0 [pid 724] <... memfd_create resumed>) = 3 [pid 706] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 724] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 706] <... openat resumed>) = 3 [pid 724] <... mmap resumed>) = 0x7fb73baf6000 [pid 706] chdir("./file4") = 0 [pid 706] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 706] ioctl(4, LOOP_CLR_FD) = 0 [pid 706] close(4) = 0 [pid 706] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 702] <... futex resumed>) = 0 [pid 706] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 702] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 706] <... futex resumed>) = 0 [pid 702] <... futex resumed>) = 1 [pid 706] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 702] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 706] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 706] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 702] <... futex resumed>) = 0 [pid 702] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 702] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 706] <... futex resumed>) = 1 [ 63.888385][ T706] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 63.895544][ T706] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 63.920318][ T706] F2FS-fs (loop4): switch discard_unit option is not allowed [ 63.928968][ T712] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 706] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./14/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./14/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./14/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./14/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./14/file4") = 0 [pid 286] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./14/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./14") = 0 [pid 286] mkdir("./15", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 728 [pid 719] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 728 attached [pid 728] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 728] chdir("./15") = 0 [pid 728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 728] setpgid(0, 0) = 0 [pid 728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 728] write(3, "1000", 4) = 4 [pid 728] close(3) = 0 [pid 728] symlink("/dev/binderfs", "./binderfs" [pid 706] <... symlink resumed>) = 0 [pid 706] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 702] <... futex resumed>) = 0 [pid 706] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 702] exit_group(0) = ? [pid 706] <... futex resumed>) = 231 [pid 706] +++ exited with 0 +++ [pid 702] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=702, si_uid=0, si_status=0, si_utime=11, si_stime=16} --- [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 728] <... symlink resumed>) = 0 executing program [pid 728] write(1, "executing program\n", 18) = 18 [pid 728] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 728] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 728] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 728] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 728] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 728] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[729]}, 88) = 729 [pid 728] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 728] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 728] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 287] <... restart_syscall resumed>) = 0 [pid 287] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 729 attached [pid 287] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 729] set_robust_list(0x7fb743f169a0, 24 [pid 287] <... openat resumed>) = 3 [pid 729] <... set_robust_list resumed>) = 0 [pid 729] rt_sigprocmask(SIG_SETMASK, [], [pid 287] newfstatat(3, "", [pid 729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 729] memfd_create("syzkaller", 0) = 3 [pid 287] getdents64(3, [pid 729] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 287] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [ 63.967499][ T706] attempt to access beyond end of device [ 63.967499][ T706] loop4: rw=2049, want=53256, limit=40427 [pid 287] umount2("./13/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 719] <... write resumed>) = 20699119 [pid 719] munmap(0x7fb73baf6000, 138412032) = 0 [pid 719] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 64.025251][ T287] attempt to access beyond end of device [ 64.025251][ T287] loop4: rw=2049, want=45104, limit=40427 [pid 719] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 719] close(3) = 0 [pid 719] close(4) = 0 [pid 719] mkdir("./file4", 0777) = 0 [ 64.086278][ T712] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 64.097103][ T719] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 64.114893][ T719] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 64.123327][ T719] F2FS-fs (loop2): fault_injection options not supported [pid 719] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 712] <... mount resumed>) = 0 [pid 712] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 712] chdir("./file4") = 0 [pid 712] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 712] ioctl(4, LOOP_CLR_FD) = 0 [pid 712] close(4) = 0 [pid 712] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 711] <... futex resumed>) = 0 [pid 711] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 711] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 712] <... futex resumed>) = 1 [ 64.125824][ T712] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 64.130473][ T719] F2FS-fs (loop2): fault_type options not supported [ 64.145783][ T719] F2FS-fs (loop2): invalid crc value [ 64.166583][ T719] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 712] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 712] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 711] <... futex resumed>) = 0 [pid 711] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 711] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 712] <... futex resumed>) = 1 [pid 712] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 724] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 712] <... symlink resumed>) = 0 [pid 712] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 711] <... futex resumed>) = 0 [pid 711] exit_group(0) = ? [pid 712] <... futex resumed>) = ? [pid 712] +++ exited with 0 +++ [pid 711] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=711, si_uid=0, si_status=0, si_utime=10, si_stime=16} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 64.199516][ T712] F2FS-fs (loop1): switch discard_unit option is not allowed [ 64.219932][ T712] attempt to access beyond end of device [ 64.219932][ T712] loop1: rw=2049, want=53256, limit=40427 [pid 284] umount2("./13/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 64.279983][ T284] attempt to access beyond end of device [ 64.279983][ T284] loop1: rw=2049, want=45104, limit=40427 [ 64.296020][ T719] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [pid 729] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 719] <... mount resumed>) = 0 [pid 719] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 719] chdir("./file4") = 0 [pid 719] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 719] ioctl(4, LOOP_CLR_FD) = 0 [pid 719] close(4) = 0 [pid 719] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 719] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 718] <... futex resumed>) = 0 [pid 718] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 719] <... futex resumed>) = 0 [ 64.327331][ T719] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 719] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 718] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 719] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 719] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 718] <... futex resumed>) = 0 [pid 719] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 718] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 719] <... futex resumed>) = 0 [pid 718] <... futex resumed>) = 1 [pid 719] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 718] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./13/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./13/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./13/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./13/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./13/file4") = 0 [pid 287] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./13/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./13") = 0 [pid 287] mkdir("./14", 0777) = 0 [pid 719] <... symlink resumed>) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 719] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 719] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3 [pid 718] <... futex resumed>) = 0 [pid 718] exit_group(0) = ? [pid 729] <... write resumed>) = 20699119 [pid 719] <... futex resumed>) = ? [pid 729] munmap(0x7fb73baf6000, 138412032 [pid 719] +++ exited with 0 +++ [pid 718] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=718, si_uid=0, si_status=0, si_utime=10, si_stime=16} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 729] <... munmap resumed>) = 0 [pid 729] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 285] <... restart_syscall resumed>) = 0 [pid 285] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 64.377036][ T719] F2FS-fs (loop2): switch discard_unit option is not allowed [ 64.387129][ T719] attempt to access beyond end of device [ 64.387129][ T719] loop2: rw=2049, want=53256, limit=40427 [pid 285] umount2("./14/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 724] <... write resumed>) = 20699119 [pid 724] munmap(0x7fb73baf6000, 138412032) = 0 [pid 724] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 287] <... close resumed>) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 735 [pid 729] <... openat resumed>) = 4 [pid 729] ioctl(4, LOOP_SET_FD, 3) = 0 ./strace-static-x86_64: Process 735 attached [pid 729] close(3 [pid 724] <... openat resumed>) = 4 [pid 735] set_robust_list(0x55557d22a6a0, 24 [pid 729] <... close resumed>) = 0 [pid 724] ioctl(4, LOOP_SET_FD, 3 [pid 735] <... set_robust_list resumed>) = 0 [pid 729] close(4 [pid 735] chdir("./14") = 0 [pid 735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 735] setpgid(0, 0) = 0 [pid 735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 735] write(3, "1000", 4) = 4 [pid 735] close(3) = 0 [pid 735] symlink("/dev/binderfs", "./binderfs" [pid 724] <... ioctl resumed>) = 0 [pid 729] <... close resumed>) = 0 [pid 735] <... symlink resumed>) = 0 [pid 729] mkdir("./file4", 0777 [pid 724] close(3 [pid 735] write(1, "executing program\n", 18 [pid 729] <... mkdir resumed>) = 0 [pid 724] <... close resumed>) = 0 executing program [pid 735] <... write resumed>) = 18 [pid 729] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 724] close(4 [pid 735] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 735] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 735] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 735] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 735] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[738]}, 88) = 738 [pid 735] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 735] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 64.428903][ T285] attempt to access beyond end of device [ 64.428903][ T285] loop2: rw=2049, want=45104, limit=40427 [pid 735] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 738 attached [pid 738] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 738] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 738] memfd_create("syzkaller", 0) = 3 [pid 738] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./13/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./13/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./13/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./13/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./13/file4") = 0 [pid 284] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./13/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./13") = 0 [pid 284] mkdir("./14", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 724] <... close resumed>) = 0 [pid 284] <... openat resumed>) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 739 ./strace-static-x86_64: Process 739 attached [pid 739] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 739] chdir("./14") = 0 [pid 739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 739] setpgid(0, 0) = 0 [pid 739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 739] write(3, "1000", 4) = 4 [pid 739] close(3) = 0 [pid 739] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 739] write(1, "executing program\n", 18) = 18 [pid 739] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 739] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 739] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 739] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 739] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[740]}, 88) = 740 [pid 739] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 739] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 739] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 724] mkdir("./file4", 0777) = 0 ./strace-static-x86_64: Process 740 attached [pid 724] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 740] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 740] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 740] memfd_create("syzkaller", 0) = 3 [pid 740] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 64.535938][ T729] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 64.543184][ T729] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 64.556855][ T729] F2FS-fs (loop3): fault_injection options not supported [ 64.564144][ T729] F2FS-fs (loop3): fault_type options not supported [ 64.588682][ T724] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 64.592039][ T729] F2FS-fs (loop3): invalid crc value [ 64.595675][ T724] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./14/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./14/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./14/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./14/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./14/file4") = 0 [pid 285] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./14/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./14") = 0 [pid 285] mkdir("./15", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 743 [ 64.633355][ T729] F2FS-fs (loop3): Found nat_bits in checkpoint [ 64.642827][ T724] F2FS-fs (loop0): fault_injection options not supported [ 64.670917][ T724] F2FS-fs (loop0): fault_type options not supported ./strace-static-x86_64: Process 743 attached [pid 743] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 743] chdir("./15") = 0 [pid 743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 743] setpgid(0, 0) = 0 [pid 743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 743] write(3, "1000", 4) = 4 [pid 743] close(3) = 0 [pid 743] symlink("/dev/binderfs", "./binderfs") = 0 [pid 743] write(1, "executing program\n", 18executing program ) = 18 [pid 743] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 743] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 743] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 743] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 743] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 743] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[744]}, 88) = 744 [pid 743] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 743] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 743] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 744 attached [pid 744] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 744] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 744] memfd_create("syzkaller", 0) = 3 [pid 744] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 64.701826][ T724] F2FS-fs (loop0): invalid crc value [pid 740] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [ 64.736636][ T724] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 738] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 729] <... mount resumed>) = 0 [pid 729] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 729] chdir("./file4") = 0 [pid 729] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 729] ioctl(4, LOOP_CLR_FD) = 0 [pid 729] close(4) = 0 [pid 729] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 728] <... futex resumed>) = 0 [pid 728] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 728] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 729] <... futex resumed>) = 1 [pid 729] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 729] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 728] <... futex resumed>) = 0 [pid 728] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 728] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 729] <... futex resumed>) = 1 [ 64.786214][ T729] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 64.793294][ T729] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 64.823552][ T729] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 729] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 740] <... write resumed>) = 20699119 [pid 740] munmap(0x7fb73baf6000, 138412032 [pid 729] <... symlink resumed>) = 0 [pid 729] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 728] <... futex resumed>) = 0 [pid 728] exit_group(0) = ? [pid 729] <... futex resumed>) = ? [pid 740] <... munmap resumed>) = 0 [pid 729] +++ exited with 0 +++ [pid 728] +++ exited with 0 +++ [pid 740] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=728, si_uid=0, si_status=0, si_utime=8, si_stime=24} --- [pid 740] <... openat resumed>) = 4 [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 740] ioctl(4, LOOP_SET_FD, 3 [pid 724] <... mount resumed>) = 0 [pid 724] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 724] chdir("./file4") = 0 [pid 724] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 738] <... write resumed>) = 20699119 [pid 740] <... ioctl resumed>) = 0 [pid 724] <... openat resumed>) = 4 [pid 724] ioctl(4, LOOP_CLR_FD) = 0 [pid 724] close(4) = 0 [pid 724] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 723] <... futex resumed>) = 0 [pid 723] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 723] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 724] <... futex resumed>) = 1 [ 64.850701][ T729] attempt to access beyond end of device [ 64.850701][ T729] loop3: rw=2049, want=53256, limit=40427 [ 64.862710][ T724] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 64.881698][ T724] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 724] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 740] close(3 [pid 286] <... restart_syscall resumed>) = 0 [pid 740] <... close resumed>) = 0 [pid 740] close(4 [pid 738] munmap(0x7fb73baf6000, 138412032 [pid 740] <... close resumed>) = 0 [pid 740] mkdir("./file4", 0777 [pid 286] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 724] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 724] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 740] <... mkdir resumed>) = 0 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 740] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 723] <... futex resumed>) = 0 [pid 286] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 724] <... futex resumed>) = 1 [pid 723] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 724] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 723] <... futex resumed>) = 0 [pid 738] <... munmap resumed>) = 0 [pid 723] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 286] <... openat resumed>) = 3 [pid 286] newfstatat(3, "", [pid 738] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 724] <... symlink resumed>) = 0 [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 738] <... openat resumed>) = 4 [pid 286] getdents64(3, [pid 724] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 738] ioctl(4, LOOP_SET_FD, 3 [pid 286] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 724] <... futex resumed>) = 1 [pid 286] umount2("./15/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 724] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 723] <... futex resumed>) = 0 [pid 723] exit_group(0) = ? [ 64.897153][ T724] F2FS-fs (loop0): switch discard_unit option is not allowed [ 64.918638][ T740] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 64.920474][ T724] attempt to access beyond end of device [ 64.920474][ T724] loop0: rw=2049, want=53256, limit=40427 [ 64.933000][ T740] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [pid 738] <... ioctl resumed>) = 0 [pid 724] <... futex resumed>) = ? [pid 738] close(3) = 0 [pid 738] close(4) = 0 [pid 738] mkdir("./file4", 0777) = 0 [pid 738] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 724] +++ exited with 0 +++ [pid 723] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=723, si_uid=0, si_status=0, si_utime=10, si_stime=17} --- [pid 283] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 64.947574][ T740] F2FS-fs (loop1): fault_injection options not supported [ 64.954672][ T740] F2FS-fs (loop1): fault_type options not supported [ 64.963079][ T738] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 64.970474][ T740] F2FS-fs (loop1): invalid crc value [ 64.975853][ T738] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 64.985858][ T738] F2FS-fs (loop4): fault_injection options not supported [ 64.993438][ T738] F2FS-fs (loop4): fault_type options not supported [pid 283] umount2("./14/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 65.021140][ T738] F2FS-fs (loop4): invalid crc value [ 65.027652][ T740] F2FS-fs (loop1): Found nat_bits in checkpoint [ 65.056613][ T738] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 744] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 738] <... mount resumed>) = 0 [pid 738] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 738] chdir("./file4") = 0 [pid 738] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 738] ioctl(4, LOOP_CLR_FD) = 0 [pid 738] close(4) = 0 [pid 738] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 738] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 735] <... futex resumed>) = 0 [pid 735] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 738] <... futex resumed>) = 0 [ 65.094449][ T738] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 65.101799][ T738] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 738] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 735] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 738] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 738] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 735] <... futex resumed>) = 0 [pid 735] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 738] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 735] <... futex resumed>) = 0 [pid 735] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 738] <... symlink resumed>) = 0 [pid 738] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 735] <... futex resumed>) = 0 [pid 735] exit_group(0) = ? [pid 738] +++ exited with 0 +++ [pid 735] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=735, si_uid=0, si_status=0, si_utime=7, si_stime=17} --- [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 740] <... mount resumed>) = 0 [pid 740] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 287] <... restart_syscall resumed>) = 0 [pid 740] <... openat resumed>) = 3 [pid 740] chdir("./file4" [pid 287] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, [pid 740] <... chdir resumed>) = 0 [pid 287] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./14/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 740] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 740] ioctl(4, LOOP_CLR_FD) = 0 [pid 740] close(4) = 0 [pid 740] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 739] <... futex resumed>) = 0 [pid 739] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 739] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 740] <... futex resumed>) = 1 [pid 740] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 740] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 739] <... futex resumed>) = 0 [pid 739] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 739] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 740] <... futex resumed>) = 1 [pid 740] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 740] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 739] <... futex resumed>) = 0 [pid 739] exit_group(0) = ? [pid 740] <... futex resumed>) = ? [pid 740] +++ exited with 0 +++ [pid 739] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=739, si_uid=0, si_status=0, si_utime=10, si_stime=18} --- [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 744] <... write resumed>) = 20699119 [pid 744] munmap(0x7fb73baf6000, 138412032) = 0 [pid 744] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 744] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 744] close(3) = 0 [pid 744] close(4 [pid 284] <... restart_syscall resumed>) = 0 [pid 284] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./14/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] <... umount2 resumed>) = 0 [ 65.139516][ T738] F2FS-fs (loop4): switch discard_unit option is not allowed [ 65.147415][ T740] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 65.154663][ T740] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 65.178754][ T740] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 744] <... close resumed>) = 0 [pid 744] mkdir("./file4", 0777) = 0 [pid 744] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] umount2("./15/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./15/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./15/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./15/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./14/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./14/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./14/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./14/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", [pid 286] newfstatat(4, "", [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./14/file4") = 0 [pid 283] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./15/file4" [pid 283] newfstatat(AT_FDCWD, "./14/binderfs", [pid 286] <... rmdir resumed>) = 0 [pid 286] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./15/binderfs") = 0 [pid 283] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] getdents64(3, [pid 283] unlink("./14/binderfs" [pid 286] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./15" [pid 283] <... unlink resumed>) = 0 [pid 286] <... rmdir resumed>) = 0 [pid 286] mkdir("./16", 0777 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 286] <... mkdir resumed>) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 283] rmdir("./14") = 0 [pid 283] mkdir("./15", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 286] <... openat resumed>) = 3 [pid 283] <... openat resumed>) = 3 [pid 286] ioctl(3, LOOP_CLR_FD [pid 283] ioctl(3, LOOP_CLR_FD [pid 286] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 283] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 65.263749][ T744] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 65.271621][ T744] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 65.280133][ T744] F2FS-fs (loop2): fault_injection options not supported [ 65.287192][ T744] F2FS-fs (loop2): fault_type options not supported [ 65.294865][ T744] F2FS-fs (loop2): invalid crc value [ 65.301249][ T744] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 283] close(3) = 0 [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 761 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 762 [pid 744] <... mount resumed>) = 0 ./strace-static-x86_64: Process 762 attached [pid 762] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 762] chdir("./15") = 0 [pid 762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 762] setpgid(0, 0) = 0 [pid 762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 762] write(3, "1000", 4) = 4 [pid 762] close(3) = 0 [pid 762] symlink("/dev/binderfs", "./binderfs") = 0 [pid 762] write(1, "executing program\n", 18executing program ) = 18 [pid 762] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 762] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 762] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 762] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 762] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[763]}, 88) = 763 [pid 762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 762] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 762] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 761 attached [pid 761] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 761] chdir("./16") = 0 [pid 761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 761] setpgid(0, 0) = 0 [pid 761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 761] write(3, "1000", 4) = 4 [pid 761] close(3) = 0 [pid 761] symlink("/dev/binderfs", "./binderfs") = 0 [pid 761] write(1, "executing program\n", 18executing program ) = 18 [pid 761] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 761] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 761] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 744] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 761] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 744] <... openat resumed>) = 3 [pid 761] rt_sigprocmask(SIG_BLOCK, ~[], [pid 744] chdir("./file4") = 0 [pid 744] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 761] <... rt_sigprocmask resumed>[], 8) = 0 [pid 761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 744] ioctl(4, LOOP_CLR_FD) = 0 [pid 744] close(4) = 0 [pid 744] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 743] <... futex resumed>) = 0 [pid 743] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 65.338990][ T744] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 65.346311][ T744] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 743] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 744] <... futex resumed>) = 1 [pid 744] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL./strace-static-x86_64: Process 764 attached [pid 764] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 764] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 764] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 761] <... clone3 resumed> => {parent_tid=[764]}, 88) = 764 [pid 761] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 761] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 764] <... futex resumed>) = 0 [pid 761] <... futex resumed>) = 1 [pid 761] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 764] memfd_create("syzkaller", 0) = 3 [pid 764] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 ./strace-static-x86_64: Process 763 attached [pid 763] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 763] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 763] memfd_create("syzkaller", 0) = 3 [pid 763] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 287] <... umount2 resumed>) = 0 [pid 744] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 744] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 743] <... futex resumed>) = 0 [pid 743] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 743] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 744] <... futex resumed>) = 1 [pid 744] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 744] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 743] <... futex resumed>) = 0 [pid 743] exit_group(0) = ? [pid 744] <... futex resumed>) = ? [pid 287] umount2("./14/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./14/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./14/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./14/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./14/file4") = 0 [pid 287] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./14/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3 [pid 744] +++ exited with 0 +++ [pid 743] +++ exited with 0 +++ [pid 287] <... close resumed>) = 0 [pid 287] rmdir("./14" [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=743, si_uid=0, si_status=0, si_utime=7, si_stime=14} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 287] <... rmdir resumed>) = 0 [pid 287] mkdir("./15", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 65.383823][ T744] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 287] close(3) = 0 [pid 285] <... restart_syscall resumed>) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 285] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 765 [pid 285] <... openat resumed>) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./15/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 765 attached [pid 765] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 765] chdir("./15") = 0 [pid 765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 765] setpgid(0, 0) = 0 [pid 765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 765] write(3, "1000", 4) = 4 [pid 765] close(3) = 0 [pid 765] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 765] write(1, "executing program\n", 18) = 18 [pid 765] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 765] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 765] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 765] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 765] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 765] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[766]}, 88) = 766 [pid 765] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 765] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 765] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 766 attached [pid 766] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 766] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 766] memfd_create("syzkaller", 0) = 3 [pid 766] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./14/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./14/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./14/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./14/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./14/file4") = 0 [pid 284] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./14/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./14") = 0 [pid 284] mkdir("./15", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 764] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 767 ./strace-static-x86_64: Process 767 attached [pid 767] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 767] chdir("./15") = 0 [pid 767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 767] setpgid(0, 0) = 0 [pid 767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 767] write(3, "1000", 4) = 4 [pid 767] close(3) = 0 [pid 767] symlink("/dev/binderfs", "./binderfs") = 0 [pid 767] write(1, "executing program\n", 18executing program ) = 18 [pid 767] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 767] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 767] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 767] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 767] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[768]}, 88) = 768 [pid 767] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 767] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 767] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 768 attached [pid 768] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 768] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 768] memfd_create("syzkaller", 0) = 3 [pid 768] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 763] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./15/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./15/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./15/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./15/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./15/file4") = 0 [pid 285] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./15/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./15") = 0 [pid 285] mkdir("./16", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3 [pid 766] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 285] <... close resumed>) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 769 ./strace-static-x86_64: Process 769 attached [pid 769] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 769] chdir("./16") = 0 [pid 769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 769] setpgid(0, 0) = 0 [pid 769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 769] write(3, "1000", 4) = 4 [pid 769] close(3) = 0 [pid 769] symlink("/dev/binderfs", "./binderfs") = 0 [pid 769] write(1, "executing program\n", 18executing program ) = 18 [pid 769] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 769] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 769] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 764] <... write resumed>) = 20699119 [pid 769] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 769] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 769] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[770]}, 88) = 770 [pid 769] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 769] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 769] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 764] munmap(0x7fb73baf6000, 138412032) = 0 ./strace-static-x86_64: Process 770 attached [pid 764] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 770] set_robust_list(0x7fb743f169a0, 24 [pid 764] <... openat resumed>) = 4 [pid 770] <... set_robust_list resumed>) = 0 [pid 764] ioctl(4, LOOP_SET_FD, 3 [pid 770] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 770] memfd_create("syzkaller", 0) = 3 [pid 770] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 764] <... ioctl resumed>) = 0 [pid 764] close(3) = 0 [pid 764] close(4) = 0 [pid 764] mkdir("./file4", 0777) = 0 [pid 764] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 763] <... write resumed>) = 20699119 [ 65.821074][ T764] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 65.828246][ T764] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 65.836715][ T764] F2FS-fs (loop3): fault_injection options not supported [ 65.843852][ T764] F2FS-fs (loop3): fault_type options not supported [ 65.851829][ T764] F2FS-fs (loop3): invalid crc value [pid 763] munmap(0x7fb73baf6000, 138412032) = 0 [pid 763] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 763] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 763] close(3) = 0 [pid 763] close(4) = 0 [pid 763] mkdir("./file4", 0777) = 0 [ 65.865627][ T764] F2FS-fs (loop3): Found nat_bits in checkpoint [ 65.886799][ T763] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 65.893794][ T763] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 65.909254][ T763] F2FS-fs (loop0): fault_injection options not supported [pid 763] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 768] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 766] <... write resumed>) = 20699119 [pid 766] munmap(0x7fb73baf6000, 138412032) = 0 [pid 766] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 65.916775][ T763] F2FS-fs (loop0): fault_type options not supported [ 65.924927][ T763] F2FS-fs (loop0): invalid crc value [ 65.956210][ T763] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 766] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 766] close(3) = 0 [pid 766] close(4) = 0 [pid 766] mkdir("./file4", 0777) = 0 [pid 766] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 764] <... mount resumed>) = 0 [pid 764] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 764] chdir("./file4") = 0 [pid 764] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 764] ioctl(4, LOOP_CLR_FD) = 0 [pid 764] close(4) = 0 [pid 764] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 761] <... futex resumed>) = 0 [pid 761] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 764] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 65.975869][ T764] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 65.982983][ T764] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 65.999595][ T766] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 66.010168][ T766] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 761] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 770] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 764] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 764] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 764] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 761] <... futex resumed>) = 0 [pid 764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 761] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 764] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 761] <... futex resumed>) = 0 [pid 764] <... symlink resumed>) = 0 [pid 761] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 764] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 761] <... futex resumed>) = 0 [pid 761] exit_group(0) = ? [pid 764] +++ exited with 0 +++ [pid 761] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=761, si_uid=0, si_status=0, si_utime=11, si_stime=15} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 66.034469][ T764] F2FS-fs (loop3): switch discard_unit option is not allowed [ 66.054524][ T766] F2FS-fs (loop4): fault_injection options not supported [ 66.062682][ T766] F2FS-fs (loop4): fault_type options not supported [ 66.070813][ T766] F2FS-fs (loop4): invalid crc value [ 66.076624][ T763] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [pid 286] umount2("./16/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 763] <... mount resumed>) = 0 [pid 763] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 763] chdir("./file4") = 0 [pid 763] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 763] ioctl(4, LOOP_CLR_FD) = 0 [pid 763] close(4) = 0 [pid 763] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 762] <... futex resumed>) = 0 [pid 763] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 762] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 763] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 762] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 763] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 762] <... futex resumed>) = 0 [pid 762] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 762] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 763] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 763] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 762] <... futex resumed>) = 0 [pid 762] exit_group(0) = ? [pid 763] +++ exited with 0 +++ [pid 762] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=762, si_uid=0, si_status=0, si_utime=12, si_stime=20} --- [ 66.083694][ T763] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 66.116261][ T763] F2FS-fs (loop0): switch discard_unit option is not allowed [ 66.123878][ T766] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./15/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 768] <... write resumed>) = 20699119 [pid 768] munmap(0x7fb73baf6000, 138412032) = 0 [pid 766] <... mount resumed>) = 0 [pid 766] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 766] chdir("./file4") = 0 [pid 766] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 766] ioctl(4, LOOP_CLR_FD) = 0 [pid 766] close(4) = 0 [pid 766] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 765] <... futex resumed>) = 0 [pid 766] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 765] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 765] <... futex resumed>) = 0 [pid 766] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 765] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 768] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 768] ioctl(4, LOOP_SET_FD, 3 [pid 770] <... write resumed>) = 20699119 [pid 766] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 766] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 765] <... futex resumed>) = 0 [pid 765] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 765] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 766] <... futex resumed>) = 1 [pid 766] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 766] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 765] <... futex resumed>) = 0 [pid 765] exit_group(0) = ? [pid 766] <... futex resumed>) = ? [pid 768] <... ioctl resumed>) = 0 [pid 766] +++ exited with 0 +++ [pid 765] +++ exited with 0 +++ [pid 770] munmap(0x7fb73baf6000, 138412032) = 0 [pid 770] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 770] ioctl(4, LOOP_SET_FD, 3 [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=765, si_uid=0, si_status=0, si_utime=8, si_stime=23} --- [pid 768] close(3) = 0 [pid 768] close(4 [pid 287] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./15/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 770] <... ioctl resumed>) = 0 [pid 770] close(3) = 0 [ 66.166065][ T766] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 66.185766][ T766] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 66.206669][ T766] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 770] close(4 [pid 768] <... close resumed>) = 0 [pid 768] mkdir("./file4", 0777) = 0 [pid 768] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./16/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./16/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./16/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./16/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./16/file4") = 0 [pid 286] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./16/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./16") = 0 [pid 286] mkdir("./17", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 770] <... close resumed>) = 0 [pid 770] mkdir("./file4", 0777) = 0 [pid 770] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./15/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./15/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./15/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./15/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./15/file4") = 0 [pid 283] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./15/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./15") = 0 [pid 283] mkdir("./16", 0777) = 0 [ 66.384924][ T768] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 66.392577][ T768] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 66.401266][ T768] F2FS-fs (loop1): fault_injection options not supported [ 66.408411][ T768] F2FS-fs (loop1): fault_type options not supported [ 66.416152][ T768] F2FS-fs (loop1): invalid crc value [ 66.422663][ T768] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 286] <... openat resumed>) = 3 [pid 283] <... openat resumed>) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3 [pid 283] ioctl(3, LOOP_CLR_FD [pid 286] <... close resumed>) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 787 [pid 283] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 787 attached [pid 787] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 787] chdir("./17") = 0 [pid 787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 787] setpgid(0, 0) = 0 [pid 283] close(3 [pid 787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 283] <... close resumed>) = 0 [pid 787] <... openat resumed>) = 3 [pid 787] write(3, "1000", 4) = 4 [pid 787] close(3) = 0 [pid 787] symlink("/dev/binderfs", "./binderfs") = 0 [pid 787] write(1, "executing program\n", 18executing program ) = 18 [pid 787] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 787] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 787] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 787] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 787] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 787] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[788]}, 88) = 788 [pid 787] rt_sigprocmask(SIG_SETMASK, [], [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 787] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 787] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 788 attached [pid 788] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 788] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 788] memfd_create("syzkaller", 0) = 3 [pid 788] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 789 ./strace-static-x86_64: Process 789 attached [pid 789] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 789] chdir("./16") = 0 [pid 789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 789] setpgid(0, 0) = 0 [pid 789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 789] write(3, "1000", 4) = 4 [pid 789] close(3) = 0 [pid 789] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 789] write(1, "executing program\n", 18) = 18 [pid 789] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 789] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 789] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 789] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 789] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 789] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[790]}, 88) = 790 [pid 789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 789] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 789] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 790 attached [pid 790] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 790] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 790] memfd_create("syzkaller", 0) = 3 [pid 790] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 66.440130][ T770] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 66.474718][ T770] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 66.514612][ T770] F2FS-fs (loop2): fault_injection options not supported [ 66.542620][ T770] F2FS-fs (loop2): fault_type options not supported [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./15/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./15/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./15/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./15/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./15/file4") = 0 [pid 287] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./15/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./15") = 0 [pid 287] mkdir("./16", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 794 ./strace-static-x86_64: Process 794 attached [pid 794] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 794] chdir("./16") = 0 [pid 794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 794] setpgid(0, 0) = 0 [pid 794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 794] write(3, "1000", 4) = 4 [pid 794] close(3) = 0 [pid 794] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 794] write(1, "executing program\n", 18) = 18 [pid 794] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 794] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 794] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 794] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[795]}, 88) = 795 [pid 794] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 794] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 794] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 795 attached [pid 795] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 795] memfd_create("syzkaller", 0) = 3 [pid 795] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 768] <... mount resumed>) = 0 [pid 768] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 768] chdir("./file4") = 0 [pid 768] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 768] ioctl(4, LOOP_CLR_FD) = 0 [pid 768] close(4 [pid 788] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 768] <... close resumed>) = 0 [pid 768] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 767] <... futex resumed>) = 0 [pid 767] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 767] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 66.561570][ T770] F2FS-fs (loop2): invalid crc value [ 66.570298][ T768] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 66.580178][ T768] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 66.597201][ T770] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 768] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 768] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 767] <... futex resumed>) = 0 [pid 767] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 767] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 768] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 768] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 767] <... futex resumed>) = 0 [pid 767] exit_group(0) = ? [pid 768] +++ exited with 0 +++ [pid 767] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=767, si_uid=0, si_status=0, si_utime=6, si_stime=20} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 66.639264][ T768] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 284] umount2("./15/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 790] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 770] <... mount resumed>) = 0 [pid 770] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 770] chdir("./file4") = 0 [pid 770] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 788] <... write resumed>) = 20699119 [pid 788] munmap(0x7fb73baf6000, 138412032) = 0 [pid 788] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 770] <... openat resumed>) = 4 [pid 788] <... openat resumed>) = 4 [pid 770] ioctl(4, LOOP_CLR_FD [pid 788] ioctl(4, LOOP_SET_FD, 3 [pid 770] <... ioctl resumed>) = 0 [ 66.754433][ T770] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 66.772878][ T770] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 770] close(4 [pid 788] <... ioctl resumed>) = 0 [pid 770] <... close resumed>) = 0 [pid 770] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 769] <... futex resumed>) = 0 [pid 788] close(3 [pid 770] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 769] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 788] <... close resumed>) = 0 [pid 769] <... futex resumed>) = 0 [pid 788] close(4) = 0 [pid 788] mkdir("./file4", 0777) = 0 [pid 788] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 769] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 770] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 770] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 769] <... futex resumed>) = 0 [pid 770] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 769] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 769] <... futex resumed>) = 0 [pid 770] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 769] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 770] <... symlink resumed>) = 0 [pid 770] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 769] <... futex resumed>) = 0 [pid 770] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 769] exit_group(0 [pid 770] <... futex resumed>) = ? [pid 769] <... exit_group resumed>) = ? [pid 770] +++ exited with 0 +++ [pid 769] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=769, si_uid=0, si_status=0, si_utime=12, si_stime=18} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 790] <... write resumed>) = 20699119 [pid 285] <... restart_syscall resumed>) = 0 [pid 790] munmap(0x7fb73baf6000, 138412032 [pid 285] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 790] <... munmap resumed>) = 0 [pid 285] umount2("./16/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 790] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 790] ioctl(4, LOOP_SET_FD, 3 [pid 795] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 790] <... ioctl resumed>) = 0 [pid 790] close(3) = 0 [pid 790] close(4) = 0 [pid 790] mkdir("./file4", 0777) = 0 [ 66.826398][ T770] F2FS-fs (loop2): switch discard_unit option is not allowed [ 66.837718][ T788] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 66.845588][ T788] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 66.892637][ T790] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 66.910540][ T788] F2FS-fs (loop3): fault_injection options not supported [ 66.922181][ T790] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 66.935787][ T788] F2FS-fs (loop3): fault_type options not supported [pid 790] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 795] <... write resumed>) = 20699119 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./15/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./15/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 66.946177][ T790] F2FS-fs (loop0): fault_injection options not supported [ 66.953289][ T790] F2FS-fs (loop0): fault_type options not supported [ 66.961043][ T790] F2FS-fs (loop0): invalid crc value [ 66.964476][ T788] F2FS-fs (loop3): invalid crc value [ 66.985272][ T790] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 284] umount2("./15/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./15/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./15/file4") = 0 [pid 284] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./15/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./15") = 0 [pid 284] mkdir("./16", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 795] munmap(0x7fb73baf6000, 138412032 [pid 284] <... openat resumed>) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 804 [pid 795] <... munmap resumed>) = 0 [pid 795] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 66.996833][ T788] F2FS-fs (loop3): Found nat_bits in checkpoint [ 67.026110][ T790] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 67.035536][ T790] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 795] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 804 attached [pid 804] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 804] chdir("./16" [pid 790] <... mount resumed>) = 0 [pid 790] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 790] chdir("./file4") = 0 [pid 790] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 790] ioctl(4, LOOP_CLR_FD) = 0 [pid 790] close(4) = 0 [pid 790] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 789] <... futex resumed>) = 0 [pid 790] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 789] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 789] <... futex resumed>) = 0 [pid 790] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 789] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 790] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 790] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 789] <... futex resumed>) = 0 [pid 790] <... futex resumed>) = 1 [pid 789] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 790] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 789] <... futex resumed>) = 0 [pid 789] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 790] <... symlink resumed>) = 0 [pid 790] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 789] <... futex resumed>) = 0 [pid 790] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 789] exit_group(0) = ? [pid 790] <... futex resumed>) = ? [pid 790] +++ exited with 0 +++ [pid 789] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=789, si_uid=0, si_status=0, si_utime=10, si_stime=18} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 795] <... ioctl resumed>) = 0 [pid 795] close(3) = 0 [pid 795] close(4) = 0 [pid 795] mkdir("./file4", 0777) = 0 [pid 795] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./16/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 804] <... chdir resumed>) = 0 [pid 804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 804] setpgid(0, 0) = 0 [pid 804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 804] write(3, "1000", 4) = 4 executing program [pid 804] close(3) = 0 [pid 804] symlink("/dev/binderfs", "./binderfs") = 0 [pid 804] write(1, "executing program\n", 18) = 18 [pid 804] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 804] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 804] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 804] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 804] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 804] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[806]}, 88) = 806 [pid 804] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 804] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 804] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 806 attached [pid 285] <... umount2 resumed>) = 0 [pid 806] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 285] umount2("./16/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 806] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 806] memfd_create("syzkaller", 0 [pid 285] newfstatat(AT_FDCWD, "./16/file4", [pid 806] <... memfd_create resumed>) = 3 [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 806] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 285] umount2("./16/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 806] <... mmap resumed>) = 0x7fb73baf6000 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./16/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./16/file4") = 0 [pid 285] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./16/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./16") = 0 [pid 285] mkdir("./17", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 807 [ 67.047470][ T790] F2FS-fs (loop0): switch discard_unit option is not allowed [ 67.070170][ T795] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) ./strace-static-x86_64: Process 807 attached [pid 807] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 807] chdir("./17") = 0 [pid 807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 807] setpgid(0, 0) = 0 [pid 807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 807] write(3, "1000", 4) = 4 [pid 807] close(3) = 0 [pid 807] symlink("/dev/binderfs", "./binderfs") = 0 [pid 807] write(1, "executing program\n", 18executing program ) = 18 [pid 807] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 807] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 807] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 807] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 807] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 807] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[808]}, 88) = 808 [pid 807] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 807] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 807] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 808 attached [pid 808] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 808] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 808] memfd_create("syzkaller", 0) = 3 [pid 808] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 67.118822][ T795] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 788] <... mount resumed>) = 0 [ 67.165837][ T795] F2FS-fs (loop4): fault_injection options not supported [ 67.173548][ T788] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 67.183305][ T788] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 67.200037][ T795] F2FS-fs (loop4): fault_type options not supported [pid 788] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 788] chdir("./file4") = 0 [pid 788] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 806] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 788] <... openat resumed>) = 4 [pid 788] ioctl(4, LOOP_CLR_FD) = 0 [pid 788] close(4) = 0 [pid 788] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 787] <... futex resumed>) = 0 [pid 788] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 787] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 787] <... futex resumed>) = 0 [pid 788] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 67.216695][ T795] F2FS-fs (loop4): invalid crc value [pid 787] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 788] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 788] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 787] <... futex resumed>) = 0 [pid 787] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 788] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 787] <... futex resumed>) = 0 [pid 787] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 788] <... symlink resumed>) = 0 [pid 788] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 787] <... futex resumed>) = 0 [pid 788] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 787] exit_group(0 [pid 788] <... futex resumed>) = ? [pid 787] <... exit_group resumed>) = ? [pid 788] +++ exited with 0 +++ [pid 787] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=787, si_uid=0, si_status=0, si_utime=5, si_stime=15} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 67.248806][ T788] F2FS-fs (loop3): switch discard_unit option is not allowed [ 67.259043][ T795] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 286] umount2("./17/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 808] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 283] <... umount2 resumed>) = 0 [pid 806] <... write resumed>) = 20699119 [pid 806] munmap(0x7fb73baf6000, 138412032) = 0 [pid 806] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 806] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 806] close(3) = 0 [pid 806] close(4 [pid 283] umount2("./16/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./16/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./16/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./16/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./16/file4") = 0 [pid 283] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./16/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./16") = 0 [pid 283] mkdir("./17", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 795] <... mount resumed>) = 0 [pid 795] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 795] chdir("./file4") = 0 [pid 795] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 806] <... close resumed>) = 0 [pid 795] <... openat resumed>) = 4 [pid 283] <... openat resumed>) = 3 [pid 806] mkdir("./file4", 0777) = 0 [pid 795] ioctl(4, LOOP_CLR_FD [pid 283] ioctl(3, LOOP_CLR_FD [pid 795] <... ioctl resumed>) = 0 [pid 283] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 795] close(4 [pid 283] close(3 [pid 806] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 795] <... close resumed>) = 0 [pid 283] <... close resumed>) = 0 [ 67.391647][ T795] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 67.405876][ T795] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 795] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 795] <... futex resumed>) = 1 [pid 794] <... futex resumed>) = 0 [pid 795] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 794] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 794] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 814 [pid 286] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 814 attached [pid 814] set_robust_list(0x55557d22a6a0, 24 [pid 795] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 814] <... set_robust_list resumed>) = 0 [pid 795] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] umount2("./17/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 814] chdir("./17" [pid 794] <... futex resumed>) = 0 [pid 795] <... futex resumed>) = 1 [pid 814] <... chdir resumed>) = 0 [pid 794] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 814] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 795] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 794] <... futex resumed>) = 0 [pid 794] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 814] <... prctl resumed>) = 0 [pid 795] <... symlink resumed>) = 0 [pid 286] newfstatat(AT_FDCWD, "./17/file4", [pid 814] setpgid(0, 0 [pid 795] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 814] <... setpgid resumed>) = 0 [pid 795] <... futex resumed>) = 1 [pid 794] <... futex resumed>) = 0 [pid 286] umount2("./17/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 795] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 794] exit_group(0 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 814] <... openat resumed>) = 3 [pid 795] <... futex resumed>) = ? [pid 794] <... exit_group resumed>) = ? [pid 286] openat(AT_FDCWD, "./17/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 814] write(3, "1000", 4 [pid 795] +++ exited with 0 +++ [pid 794] +++ exited with 0 +++ [pid 286] <... openat resumed>) = 4 [pid 814] <... write resumed>) = 4 [pid 286] newfstatat(4, "", [pid 814] close(3 [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 814] <... close resumed>) = 0 [pid 286] getdents64(4, [pid 814] symlink("/dev/binderfs", "./binderfs" [pid 286] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 814] <... symlink resumed>) = 0 [pid 286] getdents64(4, [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=794, si_uid=0, si_status=0, si_utime=10, si_stime=16} --- [pid 814] write(1, "executing program\n", 18 executing program [pid 286] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 814] <... write resumed>) = 18 [pid 286] close(4 [pid 814] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] <... close resumed>) = 0 [pid 287] <... restart_syscall resumed>) = 0 [pid 814] <... futex resumed>) = 0 [pid 286] rmdir("./17/file4" [pid 814] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 286] <... rmdir resumed>) = 0 [pid 814] <... rt_sigaction resumed>NULL, 8) = 0 [pid 286] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 814] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 286] newfstatat(AT_FDCWD, "./17/binderfs", [pid 814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 286] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 814] <... mmap resumed>) = 0x7fb743ef6000 [pid 286] unlink("./17/binderfs" [pid 814] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 286] <... unlink resumed>) = 0 [pid 287] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 814] <... mprotect resumed>) = 0 [pid 286] getdents64(3, [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 814] rt_sigprocmask(SIG_BLOCK, ~[], [pid 287] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 286] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 814] <... rt_sigprocmask resumed>[], 8) = 0 [pid 286] close(3 [pid 814] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 287] <... openat resumed>) = 3 [pid 286] <... close resumed>) = 0 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] rmdir("./17" [pid 287] getdents64(3, [pid 814] <... clone3 resumed> => {parent_tid=[815]}, 88) = 815 [pid 287] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] <... rmdir resumed>) = 0 [pid 814] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 286] mkdir("./18", 0777 [pid 814] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] umount2("./16/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 814] <... futex resumed>) = 0 [pid 286] <... mkdir resumed>) = 0 [pid 814] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 67.450265][ T806] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 67.458771][ T795] F2FS-fs (loop4): switch discard_unit option is not allowed [ 67.476358][ T806] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [pid 286] close(3./strace-static-x86_64: Process 815 attached ) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 816 [pid 815] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 815] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 816 attached [pid 816] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 816] chdir("./18" [pid 815] memfd_create("syzkaller", 0 [pid 816] <... chdir resumed>) = 0 [pid 815] <... memfd_create resumed>) = 3 [pid 816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 815] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 816] <... prctl resumed>) = 0 [pid 815] <... mmap resumed>) = 0x7fb73baf6000 [pid 816] setpgid(0, 0) = 0 [pid 816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 816] write(3, "1000", 4) = 4 [pid 816] close(3) = 0 [pid 816] symlink("/dev/binderfs", "./binderfs") = 0 [pid 816] write(1, "executing program\n", 18executing program ) = 18 [pid 816] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 816] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 816] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 816] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 816] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[817]}, 88) = 817 [pid 816] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 816] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 816] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 808] <... write resumed>) = 20699119 [pid 808] munmap(0x7fb73baf6000, 138412032) = 0 ./strace-static-x86_64: Process 817 attached [pid 817] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 817] memfd_create("syzkaller", 0 [pid 808] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 817] <... memfd_create resumed>) = 3 [pid 817] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 808] <... openat resumed>) = 4 [pid 808] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 808] close(3) = 0 [pid 808] close(4) = 0 [pid 808] mkdir("./file4", 0777) = 0 [ 67.485715][ T806] F2FS-fs (loop1): fault_injection options not supported [ 67.506431][ T806] F2FS-fs (loop1): fault_type options not supported [ 67.518489][ T806] F2FS-fs (loop1): invalid crc value [ 67.558356][ T806] F2FS-fs (loop1): Found nat_bits in checkpoint [ 67.566998][ T808] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 67.573978][ T808] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [pid 808] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 67.623442][ T808] F2FS-fs (loop2): fault_injection options not supported [ 67.651685][ T808] F2FS-fs (loop2): fault_type options not supported [ 67.682771][ T808] F2FS-fs (loop2): invalid crc value [pid 817] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 806] <... mount resumed>) = 0 [pid 806] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 806] chdir("./file4") = 0 [pid 806] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 806] ioctl(4, LOOP_CLR_FD) = 0 [ 67.706188][ T806] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 67.713647][ T806] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 67.722092][ T808] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 806] close(4) = 0 [pid 806] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 804] <... futex resumed>) = 0 [pid 804] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 804] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 806] <... futex resumed>) = 1 [pid 806] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 815] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 806] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 806] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 804] <... futex resumed>) = 0 [pid 804] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 804] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 806] <... futex resumed>) = 1 [pid 806] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 806] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 804] <... futex resumed>) = 0 [pid 804] exit_group(0) = ? [pid 806] <... futex resumed>) = ? [pid 806] +++ exited with 0 +++ [pid 804] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=804, si_uid=0, si_status=0, si_utime=11, si_stime=13} --- [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 817] <... write resumed>) = 20699119 [pid 284] <... restart_syscall resumed>) = 0 [pid 284] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 817] munmap(0x7fb73baf6000, 138412032 [pid 284] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./16/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./16/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./16/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./16/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./16/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./16/file4") = 0 [pid 287] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./16/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./16") = 0 [pid 287] mkdir("./17", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3 [pid 817] <... munmap resumed>) = 0 [pid 287] <... close resumed>) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 817] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 824 [pid 817] <... openat resumed>) = 4 [ 67.768688][ T806] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 817] ioctl(4, LOOP_SET_FD, 3executing program ./strace-static-x86_64: Process 824 attached [pid 824] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 824] chdir("./17") = 0 [pid 824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 824] setpgid(0, 0) = 0 [pid 824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 824] write(3, "1000", 4) = 4 [pid 824] close(3) = 0 [pid 824] symlink("/dev/binderfs", "./binderfs") = 0 [pid 824] write(1, "executing program\n", 18) = 18 [pid 824] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 824] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 824] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 824] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 824] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[826]}, 88) = 826 [pid 824] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 817] <... ioctl resumed>) = 0 [pid 817] close(3) = 0 [pid 824] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 817] close(4 [pid 824] <... futex resumed>) = 0 [pid 817] <... close resumed>) = 0 [pid 824] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 817] mkdir("./file4", 0777) = 0 [pid 817] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"..../strace-static-x86_64: Process 826 attached [pid 826] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 826] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 826] memfd_create("syzkaller", 0) = 3 [pid 826] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 67.835694][ T817] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 67.843934][ T817] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 67.852815][ T817] F2FS-fs (loop3): fault_injection options not supported [ 67.856292][ T808] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 67.860035][ T817] F2FS-fs (loop3): fault_type options not supported [ 67.874557][ T817] F2FS-fs (loop3): invalid crc value [pid 808] <... mount resumed>) = 0 [pid 808] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 808] chdir("./file4") = 0 [pid 808] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 808] ioctl(4, LOOP_CLR_FD) = 0 [pid 808] close(4) = 0 [pid 808] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 808] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 807] <... futex resumed>) = 0 [pid 807] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 807] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 808] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 808] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 807] <... futex resumed>) = 0 [pid 807] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 807] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 808] <... futex resumed>) = 1 [pid 808] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 808] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 807] <... futex resumed>) = 0 [pid 807] exit_group(0) = ? [pid 808] <... futex resumed>) = ? [pid 808] +++ exited with 0 +++ [pid 807] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=807, si_uid=0, si_status=0, si_utime=10, si_stime=21} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 67.880323][ T808] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 67.902995][ T808] F2FS-fs (loop2): switch discard_unit option is not allowed [ 67.920332][ T817] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 285] umount2("./17/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 817] <... mount resumed>) = 0 [pid 817] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 817] chdir("./file4") = 0 [pid 817] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 817] ioctl(4, LOOP_CLR_FD) = 0 [pid 817] close(4) = 0 [pid 817] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 816] <... futex resumed>) = 0 [pid 817] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 816] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 816] <... futex resumed>) = 0 [pid 817] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 67.971682][ T817] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 67.981393][ T817] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 816] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 817] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 817] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 816] <... futex resumed>) = 0 [pid 817] <... futex resumed>) = 1 [pid 816] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 817] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 816] <... futex resumed>) = 0 [pid 816] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 815] <... write resumed>) = 20699119 [pid 817] <... symlink resumed>) = 0 [pid 817] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 816] <... futex resumed>) = 0 [pid 817] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 816] exit_group(0 [pid 817] <... futex resumed>) = ? [pid 816] <... exit_group resumed>) = ? [pid 817] +++ exited with 0 +++ [pid 816] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=816, si_uid=0, si_status=0, si_utime=8, si_stime=22} --- [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 815] munmap(0x7fb73baf6000, 138412032 [pid 286] <... restart_syscall resumed>) = 0 [pid 286] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", [pid 815] <... munmap resumed>) = 0 [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 815] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./18/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./16/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./16/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./16/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./16/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./16/file4") = 0 [ 68.024017][ T817] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 284] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./16/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./16") = 0 [pid 284] mkdir("./17", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 826] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 815] <... openat resumed>) = 4 [pid 284] <... openat resumed>) = 3 [pid 815] ioctl(4, LOOP_SET_FD, 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./17/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./17/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./17/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./17/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./17/file4") = 0 [pid 285] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./17/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./17") = 0 [pid 285] mkdir("./18", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 815] <... ioctl resumed>) = 0 [pid 284] <... close resumed>) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 815] close(3) = 0 [pid 815] close(4) = 0 [pid 815] mkdir("./file4", 0777) = 0 [pid 815] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 284] <... clone resumed>, child_tidptr=0x55557d22a690) = 832 [pid 285] <... openat resumed>) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 833 ./strace-static-x86_64: Process 832 attached ./strace-static-x86_64: Process 833 attached [pid 832] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 833] set_robust_list(0x55557d22a6a0, 24 [pid 832] chdir("./17" [pid 833] <... set_robust_list resumed>) = 0 [pid 833] chdir("./18" [pid 832] <... chdir resumed>) = 0 [pid 832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 833] <... chdir resumed>) = 0 [pid 833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 832] <... prctl resumed>) = 0 [pid 833] <... prctl resumed>) = 0 [pid 832] setpgid(0, 0 [pid 833] setpgid(0, 0 [pid 832] <... setpgid resumed>) = 0 [pid 833] <... setpgid resumed>) = 0 [pid 832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 832] write(3, "1000", 4 [pid 833] <... openat resumed>) = 3 [pid 832] <... write resumed>) = 4 [pid 833] write(3, "1000", 4 [pid 832] close(3 [pid 833] <... write resumed>) = 4 [pid 832] <... close resumed>) = 0 [pid 833] close(3 [pid 832] symlink("/dev/binderfs", "./binderfs" [pid 833] <... close resumed>) = 0 [pid 832] <... symlink resumed>) = 0 [pid 833] symlink("/dev/binderfs", "./binderfs" executing program [pid 832] write(1, "executing program\n", 18) = 18 [pid 832] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 833] <... symlink resumed>) = 0 [pid 832] <... futex resumed>) = 0 [pid 833] write(1, "executing program\n", 18 [pid 832] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 833] <... write resumed>) = 18 [pid 832] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 833] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 833] <... futex resumed>) = 0 [pid 832] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 833] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 832] <... mmap resumed>) = 0x7fb743ef6000 [pid 832] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 833] <... rt_sigaction resumed>NULL, 8) = 0 [pid 833] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 832] <... mprotect resumed>) = 0 [pid 832] rt_sigprocmask(SIG_BLOCK, ~[], [pid 833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 832] <... rt_sigprocmask resumed>[], 8) = 0 [pid 833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 832] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 833] <... mmap resumed>) = 0x7fb743ef6000 [pid 833] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 832] <... clone3 resumed> => {parent_tid=[834]}, 88) = 834 [pid 833] <... mprotect resumed>) = 0 [pid 832] rt_sigprocmask(SIG_SETMASK, [], [pid 833] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 832] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 835 attached ./strace-static-x86_64: Process 834 attached [pid 833] <... clone3 resumed> => {parent_tid=[835]}, 88) = 835 [pid 832] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 833] rt_sigprocmask(SIG_SETMASK, [], [pid 835] set_robust_list(0x7fb743f169a0, 24 [pid 834] set_robust_list(0x7fb743f169a0, 24 [pid 835] <... set_robust_list resumed>) = 0 [pid 834] <... set_robust_list resumed>) = 0 [pid 833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 834] rt_sigprocmask(SIG_SETMASK, [], [pid 833] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 835] rt_sigprocmask(SIG_SETMASK, [], [pid 834] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 833] <... futex resumed>) = 0 [pid 835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 834] memfd_create("syzkaller", 0 [pid 833] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 835] memfd_create("syzkaller", 0 [pid 834] <... memfd_create resumed>) = 3 [pid 835] <... memfd_create resumed>) = 3 [pid 834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 834] <... mmap resumed>) = 0x7fb73baf6000 [ 68.148008][ T815] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 68.172270][ T815] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 68.181998][ T815] F2FS-fs (loop0): fault_injection options not supported [ 68.189759][ T815] F2FS-fs (loop0): fault_type options not supported [pid 835] <... mmap resumed>) = 0x7fb73baf6000 [ 68.197498][ T815] F2FS-fs (loop0): invalid crc value [pid 286] <... umount2 resumed>) = 0 [ 68.224725][ T815] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 286] umount2("./18/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./18/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./18/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./18/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./18/file4") = 0 [pid 286] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./18/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 815] <... mount resumed>) = 0 [pid 286] rmdir("./18") = 0 [pid 286] mkdir("./19", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3 [pid 815] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 286] <... close resumed>) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 839 [pid 815] <... openat resumed>) = 3 [pid 815] chdir("./file4") = 0 [pid 815] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 815] ioctl(4, LOOP_CLR_FD) = 0 [pid 815] close(4) = 0 [pid 815] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 814] <... futex resumed>) = 0 [pid 815] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 814] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 839 attached ) = 0 [pid 839] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 839] chdir("./19" [pid 814] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 839] <... chdir resumed>) = 0 [pid 839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 839] setpgid(0, 0) = 0 [pid 839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 839] write(3, "1000", 4) = 4 [pid 839] close(3) = 0 [pid 839] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 839] write(1, "executing program\n", 18) = 18 [pid 839] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 839] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 839] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 839] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 839] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[840]}, 88) = 840 [pid 839] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 839] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 839] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 815] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 815] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 814] <... futex resumed>) = 0 [pid 814] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 814] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 815] <... futex resumed>) = 1 [pid 815] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 815] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 814] <... futex resumed>) = 0 [pid 814] exit_group(0) = ? [pid 815] <... futex resumed>) = ? [pid 815] +++ exited with 0 +++ [pid 814] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=814, si_uid=0, si_status=0, si_utime=7, si_stime=22} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 840 attached [pid 840] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 840] memfd_create("syzkaller", 0) = 3 [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./17/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 68.265496][ T815] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 68.272969][ T815] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 68.296183][ T815] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 826] <... write resumed>) = 20699119 [pid 826] munmap(0x7fb73baf6000, 138412032) = 0 [pid 826] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 826] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 826] close(3) = 0 [pid 826] close(4) = 0 [pid 826] mkdir("./file4", 0777) = 0 [pid 826] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 68.369115][ T826] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 68.395812][ T826] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 835] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 835] munmap(0x7fb73baf6000, 138412032) = 0 [ 68.426575][ T826] F2FS-fs (loop4): fault_injection options not supported [ 68.433703][ T826] F2FS-fs (loop4): fault_type options not supported [pid 835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 835] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 835] close(3) = 0 [pid 835] close(4) = 0 [pid 835] mkdir("./file4", 0777) = 0 [ 68.477212][ T826] F2FS-fs (loop4): invalid crc value [ 68.496994][ T835] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 68.515462][ T826] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 835] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./17/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./17/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./17/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./17/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./17/file4") = 0 [pid 283] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./17/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./17") = 0 [pid 283] mkdir("./18", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 845 ./strace-static-x86_64: Process 845 attached [pid 845] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 845] chdir("./18") = 0 [pid 845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 845] setpgid(0, 0) = 0 [pid 845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 845] write(3, "1000", 4) = 4 [pid 845] close(3) = 0 [pid 845] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 845] write(1, "executing program\n", 18) = 18 [pid 845] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 845] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 845] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 845] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 845] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 845] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[846]}, 88) = 846 [pid 845] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 846 attached [pid 845] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 846] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 846] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 845] <... futex resumed>) = 0 [pid 845] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 846] memfd_create("syzkaller", 0) = 3 [pid 846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 68.525310][ T835] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 68.565007][ T835] F2FS-fs (loop2): fault_injection options not supported [ 68.587175][ T835] F2FS-fs (loop2): fault_type options not supported [ 68.598243][ T835] F2FS-fs (loop2): invalid crc value [ 68.615210][ T826] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 68.624772][ T826] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 834] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 826] <... mount resumed>) = 0 [pid 826] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 826] chdir("./file4") = 0 [pid 826] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 826] ioctl(4, LOOP_CLR_FD) = 0 [pid 826] close(4) = 0 [pid 826] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 824] <... futex resumed>) = 0 [pid 826] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 824] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 824] <... futex resumed>) = 0 [ 68.633550][ T835] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 826] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 824] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 826] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 826] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 824] <... futex resumed>) = 0 [pid 824] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 824] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 826] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 826] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 824] <... futex resumed>) = 0 [pid 824] exit_group(0) = ? [pid 826] +++ exited with 0 +++ [pid 824] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=824, si_uid=0, si_status=0, si_utime=2, si_stime=24} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 835] <... mount resumed>) = 0 [pid 287] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 835] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 287] <... openat resumed>) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 835] <... openat resumed>) = 3 [pid 287] getdents64(3, [pid 835] chdir("./file4" [pid 287] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 835] <... chdir resumed>) = 0 [pid 287] umount2("./17/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 835] ioctl(4, LOOP_CLR_FD) = 0 [pid 835] close(4) = 0 [pid 835] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 833] <... futex resumed>) = 0 [pid 833] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 833] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 835] <... futex resumed>) = 1 [ 68.667141][ T826] F2FS-fs (loop4): switch discard_unit option is not allowed [ 68.687152][ T835] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 68.694513][ T835] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 68.705570][ T287] handle_bad_sector: 33 callbacks suppressed [pid 835] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 835] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 833] <... futex resumed>) = 0 [pid 833] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 833] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 835] <... futex resumed>) = 1 [pid 835] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 835] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 833] <... futex resumed>) = 0 [pid 833] exit_group(0) = ? [pid 835] <... futex resumed>) = ? [pid 835] +++ exited with 0 +++ [pid 833] +++ exited with 0 +++ [pid 840] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=833, si_uid=0, si_status=0, si_utime=9, si_stime=20} --- [pid 285] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 68.710790][ T835] F2FS-fs (loop2): switch discard_unit option is not allowed [ 68.721452][ T835] attempt to access beyond end of device [ 68.721452][ T835] loop2: rw=2049, want=53256, limit=40427 [ 68.725907][ T287] attempt to access beyond end of device [ 68.725907][ T287] loop4: rw=2049, want=45104, limit=40427 [ 68.746998][ T285] attempt to access beyond end of device [ 68.746998][ T285] loop2: rw=2049, want=45104, limit=40427 [pid 285] umount2("./18/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 840] <... write resumed>) = 20699119 [pid 840] munmap(0x7fb73baf6000, 138412032) = 0 [pid 840] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 834] <... write resumed>) = 20699119 [pid 834] munmap(0x7fb73baf6000, 138412032) = 0 [pid 834] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 846] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 840] <... openat resumed>) = 4 [pid 840] ioctl(4, LOOP_SET_FD, 3 [pid 834] <... openat resumed>) = 4 [pid 834] ioctl(4, LOOP_SET_FD, 3 [pid 840] <... ioctl resumed>) = 0 [pid 840] close(3) = 0 [pid 840] close(4 [pid 287] <... umount2 resumed>) = 0 [pid 834] <... ioctl resumed>) = 0 [pid 840] <... close resumed>) = 0 [pid 834] close(3 [pid 840] mkdir("./file4", 0777 [pid 834] <... close resumed>) = 0 [pid 287] umount2("./17/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 840] <... mkdir resumed>) = 0 [pid 834] close(4 [pid 840] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 834] <... close resumed>) = 0 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 834] mkdir("./file4", 0777) = 0 [pid 287] newfstatat(AT_FDCWD, "./17/file4", [pid 834] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 846] <... write resumed>) = 20699119 [pid 846] munmap(0x7fb73baf6000, 138412032) = 0 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./17/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./17/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 287] <... openat resumed>) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./17/file4") = 0 [pid 287] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./17/binderfs" [pid 846] <... openat resumed>) = 4 [pid 287] <... unlink resumed>) = 0 [pid 846] ioctl(4, LOOP_SET_FD, 3 [pid 287] getdents64(3, [pid 846] <... ioctl resumed>) = 0 [pid 846] close(3) = 0 [pid 846] close(4 [pid 287] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [ 68.952794][ T840] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 68.961217][ T834] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 68.978259][ T840] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 68.987020][ T834] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 68.995261][ T834] F2FS-fs (loop1): fault_injection options not supported [pid 287] rmdir("./17") = 0 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./18/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./18/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./18/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./18/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", [pid 287] mkdir("./18", 0777) = 0 [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./18/file4") = 0 [pid 285] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./18/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./18") = 0 [pid 285] mkdir("./19", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 846] <... close resumed>) = 0 [pid 846] mkdir("./file4", 0777) = 0 [pid 846] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] <... openat resumed>) = 3 [pid 285] <... openat resumed>) = 3 [ 69.002791][ T840] F2FS-fs (loop3): fault_injection options not supported [ 69.010423][ T840] F2FS-fs (loop3): fault_type options not supported [ 69.017389][ T834] F2FS-fs (loop1): fault_type options not supported [ 69.021918][ T840] F2FS-fs (loop3): invalid crc value [ 69.025681][ T834] F2FS-fs (loop1): invalid crc value [ 69.030975][ T840] F2FS-fs (loop3): Found nat_bits in checkpoint [ 69.038715][ T834] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 287] ioctl(3, LOOP_CLR_FD [pid 285] ioctl(3, LOOP_CLR_FD [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 285] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 287] close(3 [pid 285] close(3) = 0 [pid 287] <... close resumed>) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 858 [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 859 ./strace-static-x86_64: Process 859 attached [pid 859] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 859] chdir("./18") = 0 [pid 859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 859] setpgid(0, 0) = 0 [pid 859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 859] write(3, "1000", 4) = 4 [pid 859] close(3) = 0 [pid 859] symlink("/dev/binderfs", "./binderfs") = 0 [pid 859] write(1, "executing program\n", 18executing program ) = 18 [pid 859] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 859] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 859] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 859] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 859] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[860]}, 88) = 860 [pid 859] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 859] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 859] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 858 attached [pid 858] set_robust_list(0x55557d22a6a0, 24) = 0 [ 69.047679][ T846] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 69.054651][ T846] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock ./strace-static-x86_64: Process 860 attached [pid 858] chdir("./19" [pid 860] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 858] <... chdir resumed>) = 0 [pid 860] rt_sigprocmask(SIG_SETMASK, [], [pid 858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 858] <... prctl resumed>) = 0 [pid 860] memfd_create("syzkaller", 0 [pid 858] setpgid(0, 0 [pid 860] <... memfd_create resumed>) = 3 [pid 858] <... setpgid resumed>) = 0 [pid 860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 860] <... mmap resumed>) = 0x7fb73baf6000 [pid 858] <... openat resumed>) = 3 [pid 858] write(3, "1000", 4) = 4 [pid 858] close(3) = 0 executing program [pid 858] symlink("/dev/binderfs", "./binderfs") = 0 [pid 858] write(1, "executing program\n", 18) = 18 [pid 858] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 858] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 858] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 858] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[862]}, 88) = 862 [pid 858] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 858] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 858] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 834] <... mount resumed>) = 0 [pid 834] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 862 attached [pid 862] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 862] rt_sigprocmask(SIG_SETMASK, [], [pid 834] <... openat resumed>) = 3 [pid 862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 834] chdir("./file4" [pid 862] memfd_create("syzkaller", 0) = 3 [pid 862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 834] <... chdir resumed>) = 0 [pid 834] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 834] ioctl(4, LOOP_CLR_FD) = 0 [pid 834] close(4) = 0 [pid 834] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 832] <... futex resumed>) = 0 [pid 832] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 69.097484][ T846] F2FS-fs (loop0): fault_injection options not supported [ 69.105462][ T834] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 69.114587][ T846] F2FS-fs (loop0): fault_type options not supported [ 69.122355][ T834] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 69.138637][ T846] F2FS-fs (loop0): invalid crc value [pid 832] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 834] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 834] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 832] <... futex resumed>) = 0 [pid 832] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 832] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 834] <... futex resumed>) = 1 [pid 834] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 834] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 832] <... futex resumed>) = 0 [pid 832] exit_group(0) = ? [pid 834] <... futex resumed>) = ? [pid 834] +++ exited with 0 +++ [pid 832] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=832, si_uid=0, si_status=0, si_utime=12, si_stime=16} --- [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 840] <... mount resumed>) = 0 [pid 840] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 284] <... restart_syscall resumed>) = 0 [pid 840] chdir("./file4") = 0 [pid 840] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 840] ioctl(4, LOOP_CLR_FD) = 0 [pid 840] close(4 [pid 284] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 840] <... close resumed>) = 0 [pid 840] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 840] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 839] <... futex resumed>) = 0 [pid 284] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 839] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... openat resumed>) = 3 [pid 839] <... futex resumed>) = 1 [pid 284] newfstatat(3, "", [pid 840] <... futex resumed>) = 0 [ 69.145449][ T834] F2FS-fs (loop1): switch discard_unit option is not allowed [ 69.156952][ T834] attempt to access beyond end of device [ 69.156952][ T834] loop1: rw=2049, want=53256, limit=40427 [ 69.169261][ T840] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 69.177473][ T846] F2FS-fs (loop0): Found nat_bits in checkpoint [ 69.179450][ T840] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 840] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 839] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./17/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 840] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 840] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 840] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 839] <... futex resumed>) = 0 [pid 839] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 840] <... futex resumed>) = 0 [pid 839] <... futex resumed>) = 1 [pid 840] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 839] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 840] <... symlink resumed>) = 0 [pid 840] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 839] <... futex resumed>) = 0 [pid 839] exit_group(0) = ? [pid 840] <... futex resumed>) = ? [ 69.224527][ T840] F2FS-fs (loop3): switch discard_unit option is not allowed [ 69.233934][ T284] attempt to access beyond end of device [ 69.233934][ T284] loop1: rw=2049, want=45104, limit=40427 [ 69.246981][ T840] attempt to access beyond end of device [ 69.246981][ T840] loop3: rw=2049, want=53256, limit=40427 [pid 840] +++ exited with 0 +++ [pid 839] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=839, si_uid=0, si_status=0, si_utime=7, si_stime=23} --- [pid 286] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./19/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 846] <... mount resumed>) = 0 [pid 846] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 846] chdir("./file4") = 0 [pid 846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 846] ioctl(4, LOOP_CLR_FD) = 0 [pid 846] close(4) = 0 [pid 846] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 845] <... futex resumed>) = 0 [pid 846] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 845] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 846] <... futex resumed>) = 0 [pid 845] <... futex resumed>) = 1 [pid 846] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 69.286657][ T846] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 69.294348][ T846] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 69.304845][ T286] attempt to access beyond end of device [ 69.304845][ T286] loop3: rw=2049, want=45104, limit=40427 [pid 845] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 846] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 846] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 845] <... futex resumed>) = 0 [pid 845] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 846] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 845] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 846] <... symlink resumed>) = 0 [pid 846] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 845] <... futex resumed>) = 0 [pid 846] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 845] exit_group(0) = ? [pid 846] <... futex resumed>) = ? [pid 846] +++ exited with 0 +++ [pid 845] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=845, si_uid=0, si_status=0, si_utime=8, si_stime=14} --- [pid 283] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 69.337160][ T846] F2FS-fs (loop0): switch discard_unit option is not allowed [ 69.359581][ T846] attempt to access beyond end of device [ 69.359581][ T846] loop0: rw=2049, want=53256, limit=40427 [pid 283] umount2("./18/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 69.384030][ T283] attempt to access beyond end of device [ 69.384030][ T283] loop0: rw=2049, want=45104, limit=40427 [pid 860] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 862] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] <... umount2 resumed>) = 0 [pid 860] <... write resumed>) = 20699119 [pid 284] umount2("./17/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./17/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./17/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./17/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./17/file4") = 0 [pid 284] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./17/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./17") = 0 [pid 284] mkdir("./18", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 860] munmap(0x7fb73baf6000, 138412032 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 867 [pid 860] <... munmap resumed>) = 0 [pid 860] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 860] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 867 attached ) = 0 [pid 860] close(3) = 0 [pid 860] close(4) = 0 [pid 860] mkdir("./file4", 0777 [pid 867] set_robust_list(0x55557d22a6a0, 24 [pid 860] <... mkdir resumed>) = 0 [pid 860] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 867] <... set_robust_list resumed>) = 0 [pid 867] chdir("./18") = 0 [pid 867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 867] setpgid(0, 0) = 0 [pid 867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 867] write(3, "1000", 4) = 4 [pid 867] close(3) = 0 [pid 867] symlink("/dev/binderfs", "./binderfs") = 0 [pid 867] write(1, "executing program\n", 18executing program ) = 18 [pid 867] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 867] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 867] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 867] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[869]}, 88) = 869 [pid 867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 867] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 867] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 869 attached [pid 869] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 869] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 869] memfd_create("syzkaller", 0) = 3 [pid 869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./19/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./19/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./19/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./19/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./19/file4") = 0 [pid 286] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./19/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./19") = 0 [pid 286] mkdir("./20", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 871 [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./18/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 871 attached ) = -1 EINVAL (Invalid argument) [pid 871] set_robust_list(0x55557d22a6a0, 24 [pid 283] newfstatat(AT_FDCWD, "./18/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 871] <... set_robust_list resumed>) = 0 [pid 283] umount2("./18/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 871] chdir("./20" [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 871] <... chdir resumed>) = 0 [pid 283] openat(AT_FDCWD, "./18/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 283] <... openat resumed>) = 4 [pid 283] newfstatat(4, "", [pid 871] <... prctl resumed>) = 0 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 871] setpgid(0, 0 [pid 283] getdents64(4, [pid 871] <... setpgid resumed>) = 0 [pid 283] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./18/file4") = 0 [ 69.612243][ T860] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 69.621894][ T860] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 69.630959][ T860] F2FS-fs (loop4): fault_injection options not supported [ 69.638396][ T860] F2FS-fs (loop4): fault_type options not supported [ 69.646404][ T860] F2FS-fs (loop4): invalid crc value [pid 283] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 871] <... openat resumed>) = 3 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 871] write(3, "1000", 4 [pid 283] newfstatat(AT_FDCWD, "./18/binderfs", [pid 871] <... write resumed>) = 4 [pid 283] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 871] close(3 [pid 283] unlink("./18/binderfs" [pid 871] <... close resumed>) = 0 [pid 283] <... unlink resumed>) = 0 [pid 871] symlink("/dev/binderfs", "./binderfs" [pid 283] getdents64(3, [pid 871] <... symlink resumed>) = 0 [pid 283] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 871] write(1, "executing program\n", 18executing program ) = 18 [pid 283] close(3 [pid 871] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 283] <... close resumed>) = 0 [pid 871] <... futex resumed>) = 0 [pid 283] rmdir("./18" [pid 871] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 283] <... rmdir resumed>) = 0 [pid 871] <... rt_sigaction resumed>NULL, 8) = 0 [pid 283] mkdir("./19", 0777 [pid 871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 283] <... mkdir resumed>) = 0 [pid 871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 283] <... openat resumed>) = 3 [pid 871] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 283] ioctl(3, LOOP_CLR_FD [pid 871] <... mprotect resumed>) = 0 [pid 283] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 871] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 283] close(3 [pid 871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 283] <... close resumed>) = 0 [pid 871] <... clone3 resumed> => {parent_tid=[873]}, 88) = 873 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 871] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 874 [pid 871] <... futex resumed>) = 0 [pid 871] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 874 attached [pid 874] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 874] chdir("./19") = 0 [pid 874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 874] setpgid(0, 0) = 0 [pid 874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 862] <... write resumed>) = 20699119 [pid 874] <... openat resumed>) = 3 [pid 874] write(3, "1000", 4) = 4 [pid 874] close(3) = 0 [pid 874] symlink("/dev/binderfs", "./binderfs") = 0 [pid 874] write(1, "executing program\n", 18executing program ) = 18 [pid 874] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 874] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 874] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 874] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 873 attached [pid 873] set_robust_list(0x7fb743f169a0, 24 [pid 874] rt_sigprocmask(SIG_BLOCK, ~[], [pid 873] <... set_robust_list resumed>) = 0 [pid 873] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 873] memfd_create("syzkaller", 0 [pid 874] <... rt_sigprocmask resumed>[], 8) = 0 [pid 874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 873] <... memfd_create resumed>) = 3 [pid 874] <... clone3 resumed> => {parent_tid=[875]}, 88) = 875 [pid 874] rt_sigprocmask(SIG_SETMASK, [], [pid 873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 873] <... mmap resumed>) = 0x7fb73baf6000 [pid 874] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 874] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 862] munmap(0x7fb73baf6000, 138412032) = 0 [pid 862] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 862] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 875 attached [pid 875] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 875] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 875] memfd_create("syzkaller", 0) = 3 [pid 875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 69.677496][ T860] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 862] <... ioctl resumed>) = 0 [pid 862] close(3) = 0 [pid 862] close(4) = 0 [pid 862] mkdir("./file4", 0777) = 0 [pid 862] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 860] <... mount resumed>) = 0 [pid 860] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 860] chdir("./file4") = 0 [pid 860] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 860] ioctl(4, LOOP_CLR_FD) = 0 [pid 860] close(4) = 0 [pid 860] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 859] <... futex resumed>) = 0 [pid 859] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 859] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 860] <... futex resumed>) = 1 [ 69.733790][ T860] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 69.739466][ T862] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 69.748007][ T860] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 69.760307][ T862] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 69.767297][ T860] F2FS-fs (loop4): switch discard_unit option is not allowed [ 69.771961][ T862] F2FS-fs (loop2): fault_injection options not supported [pid 860] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 860] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 859] <... futex resumed>) = 0 [pid 859] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 859] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 860] <... futex resumed>) = 1 [pid 860] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 860] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 859] <... futex resumed>) = 0 [pid 859] exit_group(0) = ? [pid 860] <... futex resumed>) = ? [pid 860] +++ exited with 0 +++ [pid 859] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=859, si_uid=0, si_status=0, si_utime=10, si_stime=20} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 69.783328][ T862] F2FS-fs (loop2): fault_type options not supported [ 69.791248][ T862] F2FS-fs (loop2): invalid crc value [ 69.807229][ T860] attempt to access beyond end of device [ 69.807229][ T860] loop4: rw=2049, want=53256, limit=40427 [ 69.807683][ T862] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 287] umount2("./18/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 873] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 862] <... mount resumed>) = 0 [pid 862] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 862] chdir("./file4") = 0 [pid 862] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 862] ioctl(4, LOOP_CLR_FD) = 0 [pid 862] close(4) = 0 [pid 862] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 862] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 858] <... futex resumed>) = 0 [pid 858] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 862] <... futex resumed>) = 0 [pid 858] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 69.956051][ T862] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 69.973597][ T862] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 862] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 862] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 862] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 858] <... futex resumed>) = 0 [pid 858] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 862] <... futex resumed>) = 0 [pid 858] <... futex resumed>) = 1 [pid 862] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 858] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 862] <... symlink resumed>) = 0 [pid 862] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 862] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 858] <... futex resumed>) = 0 [pid 858] exit_group(0) = ? [pid 862] <... futex resumed>) = ? [pid 862] +++ exited with 0 +++ [pid 858] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=858, si_uid=0, si_status=0, si_utime=12, si_stime=21} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./19/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./18/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./18/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./18/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./18/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 869] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./18/file4") = 0 [pid 287] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./18/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [ 70.013544][ T862] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 287] close(3) = 0 [pid 287] rmdir("./18") = 0 [pid 287] mkdir("./19", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3 [pid 873] <... write resumed>) = 20699119 [pid 287] <... close resumed>) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 873] munmap(0x7fb73baf6000, 138412032) = 0 [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 881 [pid 873] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 873] ioctl(4, LOOP_SET_FD, 3 [pid 875] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 873] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 881 attached [pid 881] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 881] chdir("./19") = 0 [pid 881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 881] setpgid(0, 0) = 0 [pid 881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 881] write(3, "1000", 4) = 4 [pid 881] close(3) = 0 [pid 881] symlink("/dev/binderfs", "./binderfs" [pid 873] close(3) = 0 [pid 873] close(4) = 0 [pid 873] mkdir("./file4", 0777) = 0 [pid 873] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"...executing program [pid 881] <... symlink resumed>) = 0 [pid 881] write(1, "executing program\n", 18) = 18 [pid 881] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 881] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 881] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 881] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 881] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[883]}, 88) = 883 [pid 881] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 881] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 881] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 883 attached [pid 883] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 883] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 883] memfd_create("syzkaller", 0) = 3 [pid 883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 70.108946][ T873] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 70.127325][ T873] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 70.156227][ T873] F2FS-fs (loop3): fault_injection options not supported [ 70.184453][ T873] F2FS-fs (loop3): fault_type options not supported [ 70.205430][ T873] F2FS-fs (loop3): invalid crc value [pid 883] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 869] <... write resumed>) = 20699119 [pid 285] <... umount2 resumed>) = 0 [pid 869] munmap(0x7fb73baf6000, 138412032) = 0 [pid 869] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 285] umount2("./19/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./19/file4", [pid 869] ioctl(4, LOOP_SET_FD, 3 [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./19/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./19/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [ 70.243363][ T873] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 285] close(4) = 0 [pid 285] rmdir("./19/file4") = 0 [pid 285] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./19/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./19") = 0 [pid 285] mkdir("./20", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 869] <... ioctl resumed>) = 0 [pid 869] close(3) = 0 [pid 869] close(4) = 0 [pid 869] mkdir("./file4", 0777) = 0 [pid 869] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 285] <... openat resumed>) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 887 ./strace-static-x86_64: Process 887 attached [pid 887] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 887] chdir("./20") = 0 [pid 887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 887] setpgid(0, 0) = 0 [pid 887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 887] write(3, "1000", 4) = 4 [pid 887] close(3) = 0 [pid 887] symlink("/dev/binderfs", "./binderfs") = 0 [pid 887] write(1, "executing program\n", 18executing program ) = 18 [pid 887] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 887] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 887] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 887] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 887] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[888]}, 88) = 888 [pid 887] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 887] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 875] <... write resumed>) = 20699119 [pid 887] <... futex resumed>) = 0 [pid 887] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 875] munmap(0x7fb73baf6000, 138412032) = 0 ./strace-static-x86_64: Process 888 attached [pid 875] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 888] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 875] ioctl(4, LOOP_SET_FD, 3 [pid 888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 888] memfd_create("syzkaller", 0) = 3 [pid 888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 70.316744][ T869] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 70.340899][ T869] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 70.350568][ T869] F2FS-fs (loop1): fault_injection options not supported [ 70.358372][ T869] F2FS-fs (loop1): fault_type options not supported [pid 875] <... ioctl resumed>) = 0 [pid 875] close(3) = 0 [pid 875] close(4 [pid 873] <... mount resumed>) = 0 [pid 873] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 873] chdir("./file4") = 0 [pid 873] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 875] <... close resumed>) = 0 [pid 873] <... openat resumed>) = 4 [pid 875] mkdir("./file4", 0777 [pid 873] ioctl(4, LOOP_CLR_FD [pid 875] <... mkdir resumed>) = 0 [pid 873] <... ioctl resumed>) = 0 [pid 873] close(4 [pid 875] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 873] <... close resumed>) = 0 [pid 873] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 871] <... futex resumed>) = 0 [ 70.365602][ T873] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 70.366697][ T869] F2FS-fs (loop1): invalid crc value [ 70.378632][ T873] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 70.396612][ T869] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 873] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 871] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 871] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 873] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 873] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 871] <... futex resumed>) = 0 [pid 873] <... futex resumed>) = 1 [pid 871] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 873] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 871] <... futex resumed>) = 0 [pid 871] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 873] <... symlink resumed>) = 0 [pid 873] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 871] <... futex resumed>) = 0 [pid 873] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 871] exit_group(0) = ? [pid 873] <... futex resumed>) = ? [pid 873] +++ exited with 0 +++ [pid 871] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=871, si_uid=0, si_status=0, si_utime=7, si_stime=17} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./20/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 883] <... write resumed>) = 20699119 [pid 883] munmap(0x7fb73baf6000, 138412032) = 0 [ 70.419474][ T873] F2FS-fs (loop3): switch discard_unit option is not allowed [ 70.419854][ T875] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 70.456141][ T875] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [pid 883] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 883] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 888] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 883] close(3) = 0 [pid 883] close(4) = 0 [pid 883] mkdir("./file4", 0777) = 0 [ 70.505172][ T875] F2FS-fs (loop0): fault_injection options not supported [ 70.525597][ T875] F2FS-fs (loop0): fault_type options not supported [ 70.535855][ T883] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 70.542838][ T883] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 883] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 869] <... mount resumed>) = 0 [pid 869] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 869] chdir("./file4") = 0 [pid 869] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 869] ioctl(4, LOOP_CLR_FD) = 0 [pid 869] close(4) = 0 [pid 869] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 869] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 867] <... futex resumed>) = 0 [pid 867] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 869] <... futex resumed>) = 0 [pid 867] <... futex resumed>) = 1 [pid 869] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 867] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 869] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 869] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 70.572356][ T869] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 70.580808][ T869] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 70.586118][ T875] F2FS-fs (loop0): invalid crc value [ 70.600600][ T883] F2FS-fs (loop4): fault_injection options not supported [ 70.609063][ T869] F2FS-fs (loop1): switch discard_unit option is not allowed [ 70.610797][ T875] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 869] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 888] <... write resumed>) = 20699119 [pid 867] <... futex resumed>) = 0 [pid 867] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 867] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 869] <... futex resumed>) = 0 [pid 888] munmap(0x7fb73baf6000, 138412032 [pid 869] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 888] <... munmap resumed>) = 0 [pid 888] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 869] <... symlink resumed>) = 0 [pid 869] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 867] <... futex resumed>) = 0 [pid 869] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 867] exit_group(0) = ? [pid 869] <... futex resumed>) = ? [pid 869] +++ exited with 0 +++ [pid 867] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=867, si_uid=0, si_status=0, si_utime=10, si_stime=19} --- [pid 284] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./18/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 888] <... openat resumed>) = 4 [pid 888] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 888] close(3) = 0 [pid 888] close(4) = 0 [pid 888] mkdir("./file4", 0777) = 0 [ 70.623656][ T883] F2FS-fs (loop4): fault_type options not supported [ 70.634980][ T883] F2FS-fs (loop4): invalid crc value [ 70.660388][ T888] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [pid 888] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./20/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 70.668496][ T883] F2FS-fs (loop4): Found nat_bits in checkpoint [ 70.683391][ T888] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 70.713266][ T888] F2FS-fs (loop2): fault_injection options not supported [pid 286] newfstatat(AT_FDCWD, "./20/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./20/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./20/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./20/file4") = 0 [pid 286] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./20/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./20") = 0 [pid 286] mkdir("./21", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 875] <... mount resumed>) = 0 [pid 875] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 875] chdir("./file4" [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 903 [pid 875] <... chdir resumed>) = 0 [pid 875] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 903 attached [pid 903] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 903] chdir("./21") = 0 [pid 903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 903] setpgid(0, 0) = 0 [pid 903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 903] write(3, "1000", 4) = 4 [pid 903] close(3) = 0 [pid 903] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 903] write(1, "executing program\n", 18) = 18 [pid 903] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 903] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 903] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 903] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 903] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[904]}, 88) = 904 [pid 903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 903] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 903] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 904 attached [pid 904] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 904] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 904] memfd_create("syzkaller", 0) = 3 [pid 904] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 70.720610][ T888] F2FS-fs (loop2): fault_type options not supported [ 70.726126][ T875] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 70.728775][ T888] F2FS-fs (loop2): invalid crc value [ 70.745533][ T875] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 70.760198][ T888] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 875] <... openat resumed>) = 4 [pid 875] ioctl(4, LOOP_CLR_FD) = 0 [pid 875] close(4) = 0 [pid 875] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 874] <... futex resumed>) = 0 [pid 875] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 874] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 874] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 875] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 875] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 874] <... futex resumed>) = 0 [pid 874] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 874] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 875] <... futex resumed>) = 1 [pid 875] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 875] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 874] <... futex resumed>) = 0 [pid 874] exit_group(0) = ? [pid 875] <... futex resumed>) = ? [pid 875] +++ exited with 0 +++ [pid 874] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=874, si_uid=0, si_status=0, si_utime=9, si_stime=16} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./19/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 883] <... mount resumed>) = 0 [pid 883] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [ 70.796128][ T883] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 70.809880][ T875] F2FS-fs (loop0): switch discard_unit option is not allowed [ 70.825787][ T883] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 883] chdir("./file4") = 0 [pid 883] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 883] ioctl(4, LOOP_CLR_FD) = 0 [pid 883] close(4) = 0 [pid 883] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 883] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 881] <... futex resumed>) = 0 [pid 881] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 881] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 883] <... futex resumed>) = 0 [pid 883] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 883] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 881] <... futex resumed>) = 0 [pid 881] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 881] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 904] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 883] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 883] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 881] <... futex resumed>) = 0 [pid 881] exit_group(0) = ? [pid 883] +++ exited with 0 +++ [pid 881] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=881, si_uid=0, si_status=0, si_utime=8, si_stime=15} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 70.887129][ T883] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 287] umount2("./19/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./18/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./18/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./18/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./18/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./18/file4") = 0 [pid 284] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./18/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./18") = 0 [pid 284] mkdir("./19", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 907 [pid 888] <... mount resumed>) = 0 ./strace-static-x86_64: Process 907 attached [pid 907] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 907] chdir("./19") = 0 [pid 907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 907] setpgid(0, 0) = 0 [pid 907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 888] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 888] chdir("./file4") = 0 [pid 907] <... openat resumed>) = 3 [pid 907] write(3, "1000", 4) = 4 [pid 907] close(3) = 0 [pid 907] symlink("/dev/binderfs", "./binderfs") = 0 [pid 907] write(1, "executing program\n", 18executing program ) = 18 [pid 907] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 907] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 907] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 907] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[908]}, 88) = 908 [pid 888] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 888] ioctl(4, LOOP_CLR_FD) = 0 [ 70.928847][ T888] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 70.939179][ T888] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 888] close(4) = 0 [pid 888] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 887] <... futex resumed>) = 0 [pid 888] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 887] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 887] <... futex resumed>) = 0 [pid 888] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 887] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 907] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 907] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 907] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 888] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 888] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 887] <... futex resumed>) = 0 [pid 888] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 887] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 887] <... futex resumed>) = 0 [pid 888] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 887] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 908 attached [pid 908] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 888] <... symlink resumed>) = 0 [pid 888] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 888] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 887] <... futex resumed>) = 0 [pid 887] exit_group(0) = ? [pid 888] <... futex resumed>) = ? [pid 908] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 908] memfd_create("syzkaller", 0) = 3 [pid 888] +++ exited with 0 +++ [pid 887] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=887, si_uid=0, si_status=0, si_utime=8, si_stime=19} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 908] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 285] <... restart_syscall resumed>) = 0 [pid 285] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 70.989695][ T888] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 285] umount2("./20/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./19/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./19/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./19/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./19/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./19/file4") = 0 [pid 283] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./19/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./19") = 0 [pid 283] mkdir("./20", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 909 ./strace-static-x86_64: Process 909 attached [pid 909] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 909] chdir("./20" [pid 904] <... write resumed>) = 20699119 [pid 909] <... chdir resumed>) = 0 [pid 904] munmap(0x7fb73baf6000, 138412032 [pid 909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 909] setpgid(0, 0) = 0 [pid 909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 909] write(3, "1000", 4) = 4 executing program [pid 909] close(3) = 0 [pid 909] symlink("/dev/binderfs", "./binderfs") = 0 [pid 909] write(1, "executing program\n", 18 [pid 904] <... munmap resumed>) = 0 [pid 909] <... write resumed>) = 18 [pid 909] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 904] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 909] <... futex resumed>) = 0 [pid 909] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 909] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 909] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 909] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[910]}, 88) = 910 [pid 909] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 909] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 909] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 910 attached [pid 910] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 910] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 910] memfd_create("syzkaller", 0 [pid 287] <... umount2 resumed>) = 0 [pid 910] <... memfd_create resumed>) = 3 [pid 910] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 287] umount2("./19/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./19/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./19/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./19/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./19/file4") = 0 [pid 287] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 904] <... openat resumed>) = 4 [pid 904] ioctl(4, LOOP_SET_FD, 3 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./19/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./19") = 0 [pid 287] mkdir("./20", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 904] <... ioctl resumed>) = 0 [pid 904] close(3 [pid 287] <... openat resumed>) = 3 [pid 904] <... close resumed>) = 0 [pid 287] ioctl(3, LOOP_CLR_FD [pid 904] close(4 [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 904] <... close resumed>) = 0 [pid 287] close(3 [pid 904] mkdir("./file4", 0777 [pid 287] <... close resumed>) = 0 [pid 904] <... mkdir resumed>) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 904] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 912 ./strace-static-x86_64: Process 912 attached [pid 912] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 908] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 912] chdir("./20") = 0 [pid 912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 912] setpgid(0, 0) = 0 [pid 912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 912] write(3, "1000", 4) = 4 [pid 912] close(3) = 0 [pid 912] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 912] write(1, "executing program\n", 18) = 18 [pid 912] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 912] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 912] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 912] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[913]}, 88) = 913 [pid 912] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 912] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 912] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 913 attached [ 71.172860][ T904] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 71.183754][ T904] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 71.209011][ T904] F2FS-fs (loop3): fault_injection options not supported [pid 913] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 913] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 913] memfd_create("syzkaller", 0) = 3 [pid 913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 908] <... write resumed>) = 20699119 [pid 908] munmap(0x7fb73baf6000, 138412032) = 0 [pid 908] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 908] ioctl(4, LOOP_SET_FD, 3) = 0 [ 71.235818][ T904] F2FS-fs (loop3): fault_type options not supported [pid 908] close(3) = 0 [pid 908] close(4) = 0 [pid 908] mkdir("./file4", 0777) = 0 [pid 908] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./20/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./20/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./20/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./20/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./20/file4") = 0 [pid 285] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./20/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./20") = 0 [pid 285] mkdir("./21", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 917 ./strace-static-x86_64: Process 917 attached [pid 917] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 917] chdir("./21") = 0 [pid 917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 917] setpgid(0, 0) = 0 [pid 917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 917] write(3, "1000", 4) = 4 [pid 917] close(3) = 0 [pid 917] symlink("/dev/binderfs", "./binderfs") = 0 [pid 917] write(1, "executing program\n", 18executing program ) = 18 [pid 917] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 917] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 917] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 917] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 917] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 917] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[918]}, 88) = 918 [pid 917] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 917] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 917] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 918 attached [pid 918] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 918] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 71.280097][ T904] F2FS-fs (loop3): invalid crc value [ 71.289936][ T908] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 71.307470][ T908] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 71.316637][ T904] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 918] memfd_create("syzkaller", 0) = 3 [pid 918] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 71.355917][ T908] F2FS-fs (loop1): fault_injection options not supported [ 71.373546][ T908] F2FS-fs (loop1): fault_type options not supported [ 71.406001][ T908] F2FS-fs (loop1): invalid crc value [pid 910] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [ 71.436469][ T908] F2FS-fs (loop1): Found nat_bits in checkpoint [ 71.445966][ T904] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 71.453008][ T904] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 918] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 904] <... mount resumed>) = 0 [pid 904] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 904] chdir("./file4") = 0 [pid 904] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 904] ioctl(4, LOOP_CLR_FD) = 0 [pid 904] close(4) = 0 [pid 904] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 903] <... futex resumed>) = 0 [pid 904] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 903] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 903] <... futex resumed>) = 0 [pid 904] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 903] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 904] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 904] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 903] <... futex resumed>) = 0 [pid 904] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 903] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 903] <... futex resumed>) = 0 [pid 904] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 903] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 904] <... symlink resumed>) = 0 [pid 904] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 903] <... futex resumed>) = 0 [pid 904] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 903] exit_group(0) = ? [pid 904] <... futex resumed>) = ? [pid 904] +++ exited with 0 +++ [pid 903] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=903, si_uid=0, si_status=0, si_utime=7, si_stime=18} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./21/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 918] <... write resumed>) = 20699119 [pid 918] munmap(0x7fb73baf6000, 138412032) = 0 [pid 918] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 918] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 918] close(3) = 0 [pid 918] close(4) = 0 [pid 918] mkdir("./file4", 0777) = 0 [ 71.522126][ T904] F2FS-fs (loop3): switch discard_unit option is not allowed [ 71.574325][ T918] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 71.581441][ T918] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 71.589970][ T918] F2FS-fs (loop2): fault_injection options not supported [ 71.596230][ T908] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 71.597117][ T918] F2FS-fs (loop2): fault_type options not supported [ 71.604043][ T908] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 71.611767][ T918] F2FS-fs (loop2): invalid crc value [pid 918] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 913] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 908] <... mount resumed>) = 0 [pid 908] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 908] chdir("./file4") = 0 [pid 908] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 910] <... write resumed>) = 20699119 [ 71.630394][ T918] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 910] munmap(0x7fb73baf6000, 138412032 [pid 918] <... mount resumed>) = 0 [pid 910] <... munmap resumed>) = 0 [pid 918] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 910] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 918] <... openat resumed>) = 3 [pid 918] chdir("./file4") = 0 [pid 918] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 910] <... openat resumed>) = 4 [pid 908] <... openat resumed>) = 4 [pid 918] ioctl(4, LOOP_CLR_FD [pid 910] ioctl(4, LOOP_SET_FD, 3 [pid 908] ioctl(4, LOOP_CLR_FD [pid 918] <... ioctl resumed>) = 0 [pid 918] close(4) = 0 [pid 910] <... ioctl resumed>) = 0 [pid 908] <... ioctl resumed>) = 0 [pid 918] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 910] close(3 [pid 908] close(4 [pid 918] <... futex resumed>) = 1 [pid 910] <... close resumed>) = 0 [pid 908] <... close resumed>) = 0 [pid 918] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 910] close(4 [pid 908] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 910] <... close resumed>) = 0 [pid 908] <... futex resumed>) = 1 [pid 910] mkdir("./file4", 0777 [pid 908] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 917] <... futex resumed>) = 0 [pid 910] <... mkdir resumed>) = 0 [pid 907] <... futex resumed>) = 0 [pid 917] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 910] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 907] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 918] <... futex resumed>) = 0 [pid 917] <... futex resumed>) = 1 [pid 908] <... futex resumed>) = 0 [pid 907] <... futex resumed>) = 1 [ 71.687974][ T918] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 71.695182][ T918] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 908] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 918] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 917] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 913] <... write resumed>) = 20699119 [pid 907] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 913] munmap(0x7fb73baf6000, 138412032 [pid 918] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 913] <... munmap resumed>) = 0 [pid 908] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 918] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 913] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 908] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 918] <... futex resumed>) = 1 [pid 917] <... futex resumed>) = 0 [pid 917] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 908] <... futex resumed>) = 1 [pid 907] <... futex resumed>) = 0 [pid 913] <... openat resumed>) = 4 [pid 907] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 918] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 908] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 907] <... futex resumed>) = 0 [pid 917] <... futex resumed>) = 0 [pid 913] ioctl(4, LOOP_SET_FD, 3 [pid 907] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 917] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 918] <... symlink resumed>) = 0 [pid 918] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 908] <... symlink resumed>) = 0 [pid 918] <... futex resumed>) = 1 [pid 917] <... futex resumed>) = 0 [pid 908] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 918] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 917] exit_group(0 [pid 908] <... futex resumed>) = 1 [pid 907] <... futex resumed>) = 0 [pid 918] <... futex resumed>) = ? [pid 917] <... exit_group resumed>) = ? [pid 908] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 907] exit_group(0) = ? [pid 908] <... futex resumed>) = ? [pid 918] +++ exited with 0 +++ [pid 917] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=917, si_uid=0, si_status=0, si_utime=10, si_stime=17} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 908] +++ exited with 0 +++ [pid 907] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=907, si_uid=0, si_status=0, si_utime=9, si_stime=15} --- [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 913] <... ioctl resumed>) = 0 [pid 913] close(3 [pid 285] <... restart_syscall resumed>) = 0 [pid 284] <... restart_syscall resumed>) = 0 [pid 913] <... close resumed>) = 0 [pid 913] close(4 [pid 285] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 913] <... close resumed>) = 0 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 284] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 285] <... openat resumed>) = 3 [pid 284] <... openat resumed>) = 3 [pid 285] newfstatat(3, "", [pid 284] newfstatat(3, "", [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, [pid 284] getdents64(3, [pid 285] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./21/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 71.737204][ T908] F2FS-fs (loop1): switch discard_unit option is not allowed [ 71.745422][ T918] F2FS-fs (loop2): switch discard_unit option is not allowed [ 71.753377][ T910] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [pid 284] umount2("./19/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 913] mkdir("./file4", 0777) = 0 [pid 913] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./21/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./21/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./21/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./21/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./21/file4") = 0 [pid 286] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./21/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [ 71.787341][ T910] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 71.806054][ T910] F2FS-fs (loop0): fault_injection options not supported [ 71.813255][ T910] F2FS-fs (loop0): fault_type options not supported [ 71.821294][ T910] F2FS-fs (loop0): invalid crc value [pid 286] rmdir("./21") = 0 [pid 286] mkdir("./22", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 931 ./strace-static-x86_64: Process 931 attached [pid 931] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 931] chdir("./22") = 0 [pid 931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 931] setpgid(0, 0) = 0 [ 71.838992][ T913] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 71.863735][ T913] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 71.867246][ T910] F2FS-fs (loop0): Found nat_bits in checkpoint executing program [pid 931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 931] write(3, "1000", 4) = 4 [pid 931] close(3) = 0 [pid 931] symlink("/dev/binderfs", "./binderfs") = 0 [pid 931] write(1, "executing program\n", 18) = 18 [pid 931] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 931] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 931] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 931] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 931] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[932]}, 88) = 932 [pid 931] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 931] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 931] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 932 attached [pid 932] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 932] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 932] memfd_create("syzkaller", 0) = 3 [pid 932] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 71.905812][ T913] F2FS-fs (loop4): fault_injection options not supported [ 71.922888][ T913] F2FS-fs (loop4): fault_type options not supported [ 71.930498][ T910] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 71.938213][ T913] F2FS-fs (loop4): invalid crc value [ 71.938644][ T910] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 910] <... mount resumed>) = 0 [pid 910] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 910] chdir("./file4") = 0 [pid 910] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 910] ioctl(4, LOOP_CLR_FD) = 0 [pid 910] close(4) = 0 [pid 910] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 910] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 909] <... futex resumed>) = 0 [pid 909] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 909] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 910] <... futex resumed>) = 0 [pid 910] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 284] <... umount2 resumed>) = 0 [pid 910] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 909] <... futex resumed>) = 0 [pid 909] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 909] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 910] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 284] umount2("./19/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./19/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./19/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./19/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./19/file4") = 0 [pid 910] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 909] <... futex resumed>) = 0 [pid 909] exit_group(0) = ? [pid 910] +++ exited with 0 +++ [pid 909] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=909, si_uid=0, si_status=0, si_utime=12, si_stime=19} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 284] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... restart_syscall resumed>) = 0 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] unlink("./19/binderfs" [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 284] <... unlink resumed>) = 0 [pid 284] getdents64(3, [pid 283] <... openat resumed>) = 3 [pid 284] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] newfstatat(3, "", [pid 284] close(3 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] <... close resumed>) = 0 [pid 283] getdents64(3, [pid 285] <... umount2 resumed>) = 0 [pid 284] rmdir("./19" [pid 283] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./21/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] umount2("./20/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 284] <... rmdir resumed>) = 0 [pid 285] newfstatat(AT_FDCWD, "./21/file4", [pid 284] mkdir("./20", 0777 [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] <... mkdir resumed>) = 0 [pid 285] umount2("./21/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./21/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 284] <... openat resumed>) = 3 [pid 285] <... openat resumed>) = 4 [pid 284] ioctl(3, LOOP_CLR_FD [pid 285] newfstatat(4, "", [pid 284] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] close(3 [pid 285] getdents64(4, [pid 284] <... close resumed>) = 0 [pid 285] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4 [pid 284] <... clone resumed>, child_tidptr=0x55557d22a690) = 936 [pid 285] <... close resumed>) = 0 [pid 285] rmdir("./21/file4") = 0 [pid 285] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./21/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./21") = 0 [pid 285] mkdir("./22", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 936 attached , child_tidptr=0x55557d22a690) = 937 [pid 936] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 936] chdir("./20") = 0 [pid 936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 936] setpgid(0, 0) = 0 [pid 936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 936] write(3, "1000", 4) = 4 [pid 936] close(3) = 0 [pid 936] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 936] write(1, "executing program\n", 18) = 18 [pid 936] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 71.955820][ T913] F2FS-fs (loop4): Found nat_bits in checkpoint [ 71.986094][ T910] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 936] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 936] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 936] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 936] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 936] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 936] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[938]}, 88) = 938 [pid 936] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 936] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 936] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}executing program ./strace-static-x86_64: Process 937 attached [pid 937] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 937] chdir("./22") = 0 [pid 937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 937] setpgid(0, 0) = 0 [pid 937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 937] write(3, "1000", 4) = 4 [pid 937] close(3) = 0 [pid 937] symlink("/dev/binderfs", "./binderfs") = 0 [pid 937] write(1, "executing program\n", 18./strace-static-x86_64: Process 938 attached [pid 938] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 938] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 938] memfd_create("syzkaller", 0 [pid 937] <... write resumed>) = 18 [pid 938] <... memfd_create resumed>) = 3 [pid 938] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 937] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 937] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 937] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 937] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 937] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 937] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[940]}, 88) = 940 [pid 937] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 937] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 937] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 940 attached [pid 940] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 940] memfd_create("syzkaller", 0) = 3 [pid 940] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 913] <... mount resumed>) = 0 [pid 913] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 913] chdir("./file4") = 0 [pid 913] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 913] ioctl(4, LOOP_CLR_FD) = 0 [pid 913] close(4) = 0 [pid 913] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 913] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 912] <... futex resumed>) = 0 [pid 912] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 913] <... futex resumed>) = 0 [pid 912] <... futex resumed>) = 1 [pid 913] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 912] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 913] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 913] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 913] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 912] <... futex resumed>) = 0 [pid 912] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 913] <... futex resumed>) = 0 [pid 912] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 913] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 913] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 912] <... futex resumed>) = 0 [pid 913] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 912] exit_group(0) = ? [pid 913] <... futex resumed>) = ? [pid 913] +++ exited with 0 +++ [pid 912] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=912, si_uid=0, si_status=0, si_utime=6, si_stime=18} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 72.052335][ T913] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 72.065776][ T913] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 72.089098][ T913] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 287] umount2("./20/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 938] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./20/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./20/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./20/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./20/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./20/file4") = 0 [pid 283] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./20/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./20") = 0 [pid 283] mkdir("./21", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 941 ./strace-static-x86_64: Process 941 attached [pid 941] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 941] chdir("./21") = 0 [pid 941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 941] setpgid(0, 0) = 0 [pid 941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 941] write(3, "1000", 4) = 4 [pid 941] close(3) = 0 [pid 941] symlink("/dev/binderfs", "./binderfs") = 0 [pid 941] write(1, "executing program\n", 18executing program ) = 18 [pid 941] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 941] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 941] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 941] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 941] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 941] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[942]}, 88) = 942 [pid 941] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 941] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 941] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 942 attached [pid 942] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 942] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 942] memfd_create("syzkaller", 0) = 3 [pid 942] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 938] <... write resumed>) = 20699119 [pid 932] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 938] munmap(0x7fb73baf6000, 138412032) = 0 [pid 938] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 938] ioctl(4, LOOP_SET_FD, 3 [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./20/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./20/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./20/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./20/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./20/file4") = 0 [pid 287] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./20/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./20" [pid 938] <... ioctl resumed>) = 0 [pid 938] close(3) = 0 [pid 938] close(4 [pid 287] <... rmdir resumed>) = 0 [pid 287] mkdir("./21", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 940] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 938] <... close resumed>) = 0 [pid 287] <... openat resumed>) = 3 [pid 938] mkdir("./file4", 0777 [pid 287] ioctl(3, LOOP_CLR_FD [pid 938] <... mkdir resumed>) = 0 [pid 938] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 932] <... write resumed>) = 20699119 [pid 932] munmap(0x7fb73baf6000, 138412032) = 0 [pid 932] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 932] ioctl(4, LOOP_SET_FD, 3 [pid 287] close(3 [pid 932] <... ioctl resumed>) = 0 [pid 287] <... close resumed>) = 0 [pid 932] close(3 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 932] <... close resumed>) = 0 [pid 932] close(4) = 0 [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 945 [pid 932] mkdir("./file4", 0777) = 0 [pid 932] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 942] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 945 attached [pid 945] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 945] chdir("./21") = 0 [pid 945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 945] setpgid(0, 0) = 0 [pid 945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 945] write(3, "1000", 4) = 4 [pid 945] close(3) = 0 [pid 945] symlink("/dev/binderfs", "./binderfs") = 0 [pid 945] write(1, "executing program\n", 18executing program ) = 18 [pid 945] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 945] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 945] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 945] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 945] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[946]}, 88) = 946 [pid 945] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 945] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 945] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 940] <... write resumed>) = 20699119 ./strace-static-x86_64: Process 946 attached [pid 946] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 946] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 946] memfd_create("syzkaller", 0) = 3 [pid 946] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 72.489540][ T938] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 72.499244][ T932] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 72.508120][ T938] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 72.517080][ T932] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [pid 940] munmap(0x7fb73baf6000, 138412032) = 0 [pid 940] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 940] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 940] close(3) = 0 [pid 940] close(4) = 0 [pid 940] mkdir("./file4", 0777) = 0 [pid 942] <... write resumed>) = 20699119 [pid 942] munmap(0x7fb73baf6000, 138412032) = 0 [pid 942] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 72.558398][ T938] F2FS-fs (loop1): fault_injection options not supported [ 72.565529][ T938] F2FS-fs (loop1): fault_type options not supported [ 72.583465][ T932] F2FS-fs (loop3): fault_injection options not supported [pid 942] ioctl(4, LOOP_SET_FD, 3 [pid 940] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 942] <... ioctl resumed>) = 0 [pid 942] close(3) = 0 [pid 942] close(4) = 0 [ 72.605774][ T938] F2FS-fs (loop1): invalid crc value [ 72.611895][ T932] F2FS-fs (loop3): fault_type options not supported [ 72.624594][ T932] F2FS-fs (loop3): invalid crc value [ 72.630033][ T938] F2FS-fs (loop1): Found nat_bits in checkpoint [ 72.636956][ T932] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 942] mkdir("./file4", 0777) = 0 [ 72.660365][ T940] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 72.670484][ T942] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 72.679467][ T940] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 72.696520][ T942] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [pid 942] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 938] <... mount resumed>) = 0 [ 72.715497][ T940] F2FS-fs (loop2): fault_injection options not supported [ 72.715986][ T938] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 72.730022][ T940] F2FS-fs (loop2): fault_type options not supported [ 72.735862][ T942] F2FS-fs (loop0): fault_injection options not supported [ 72.745913][ T938] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 72.755464][ T940] F2FS-fs (loop2): invalid crc value [pid 938] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 938] chdir("./file4") = 0 [pid 938] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 938] ioctl(4, LOOP_CLR_FD) = 0 [pid 938] close(4) = 0 [pid 938] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 938] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 936] <... futex resumed>) = 0 [pid 936] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 936] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 938] <... futex resumed>) = 0 [pid 938] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 946] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 938] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 932] <... mount resumed>) = 0 [pid 932] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 932] chdir("./file4") = 0 [pid 932] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 932] ioctl(4, LOOP_CLR_FD) = 0 [pid 932] close(4) = 0 [pid 932] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 931] <... futex resumed>) = 0 [pid 932] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 931] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 932] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 931] <... futex resumed>) = 0 [pid 931] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 72.761267][ T942] F2FS-fs (loop0): fault_type options not supported [ 72.770585][ T932] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 72.785796][ T932] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 72.794580][ T938] F2FS-fs (loop1): switch discard_unit option is not allowed [ 72.803080][ T942] F2FS-fs (loop0): invalid crc value [pid 938] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 936] <... futex resumed>) = 0 [pid 936] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 936] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 938] <... futex resumed>) = 1 [pid 938] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 938] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 936] <... futex resumed>) = 0 [pid 936] exit_group(0) = ? [pid 938] <... futex resumed>) = ? [pid 938] +++ exited with 0 +++ [pid 936] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=936, si_uid=0, si_status=0, si_utime=9, si_stime=20} --- [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 932] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 931] <... futex resumed>) = 0 [pid 931] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 931] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 284] <... restart_syscall resumed>) = 0 [pid 284] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, [pid 932] <... futex resumed>) = 1 [pid 284] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./20/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 932] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 932] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 931] <... futex resumed>) = 0 [pid 931] exit_group(0) = ? [pid 932] <... futex resumed>) = ? [pid 932] +++ exited with 0 +++ [pid 931] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=931, si_uid=0, si_status=0, si_utime=9, si_stime=15} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 72.811142][ T940] F2FS-fs (loop2): Found nat_bits in checkpoint [ 72.817094][ T932] F2FS-fs (loop3): switch discard_unit option is not allowed [ 72.846401][ T942] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 286] umount2("./22/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 946] <... write resumed>) = 20699119 [pid 946] munmap(0x7fb73baf6000, 138412032) = 0 [pid 946] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 940] <... mount resumed>) = 0 [pid 940] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 940] chdir("./file4") = 0 [pid 940] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 942] <... mount resumed>) = 0 [pid 942] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 942] chdir("./file4") = 0 [pid 942] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 946] <... openat resumed>) = 4 [pid 940] <... openat resumed>) = 4 [pid 946] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 940] ioctl(4, LOOP_CLR_FD [pid 946] close(3 [pid 940] <... ioctl resumed>) = 0 [pid 946] <... close resumed>) = 0 [ 72.936643][ T940] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 72.942621][ T942] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 72.943726][ T940] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 72.951145][ T942] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 940] close(4 [pid 946] close(4 [pid 942] <... openat resumed>) = 4 [pid 940] <... close resumed>) = 0 [pid 286] <... umount2 resumed>) = 0 [pid 940] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 937] <... futex resumed>) = 0 [pid 940] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 937] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 946] <... close resumed>) = 0 [pid 940] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 937] <... futex resumed>) = 0 [pid 937] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 940] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 946] mkdir("./file4", 0777 [pid 940] <... futex resumed>) = 0 [pid 937] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 940] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 937] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 946] <... mkdir resumed>) = 0 [pid 940] <... symlink resumed>) = 0 [pid 946] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 940] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 937] <... futex resumed>) = 0 [pid 940] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 937] exit_group(0 [pid 942] ioctl(4, LOOP_CLR_FD [pid 286] umount2("./22/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 942] <... ioctl resumed>) = 0 [pid 940] <... futex resumed>) = ? [pid 937] <... exit_group resumed>) = ? [pid 942] close(4 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 940] +++ exited with 0 +++ [pid 942] <... close resumed>) = 0 [pid 937] +++ exited with 0 +++ [pid 286] newfstatat(AT_FDCWD, "./22/file4", [pid 942] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 942] <... futex resumed>) = 1 [pid 941] <... futex resumed>) = 0 [pid 942] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 286] umount2("./22/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 941] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 941] <... futex resumed>) = 0 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 942] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 941] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 286] openat(AT_FDCWD, "./22/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=937, si_uid=0, si_status=0, si_utime=11, si_stime=16} --- [pid 285] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 73.000521][ T940] F2FS-fs (loop2): switch discard_unit option is not allowed [ 73.021200][ T946] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 73.029315][ T946] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 73.038126][ T942] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 285] umount2("./22/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] <... openat resumed>) = 4 [pid 286] newfstatat(4, "", [pid 942] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 942] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] getdents64(4, [pid 942] <... futex resumed>) = 1 [pid 941] <... futex resumed>) = 0 [pid 942] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 941] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 942] <... symlink resumed>) = 0 [pid 941] <... futex resumed>) = 0 [pid 942] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] getdents64(4, [pid 941] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 942] <... futex resumed>) = 0 [pid 286] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 942] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 286] close(4 [pid 941] exit_group(0 [pid 942] <... futex resumed>) = ? [pid 941] <... exit_group resumed>) = ? [pid 286] <... close resumed>) = 0 [pid 942] +++ exited with 0 +++ [pid 941] +++ exited with 0 +++ [pid 286] rmdir("./22/file4" [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=941, si_uid=0, si_status=0, si_utime=8, si_stime=19} --- [pid 286] <... rmdir resumed>) = 0 [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 286] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./22/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./22") = 0 [pid 286] mkdir("./23", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [ 73.042823][ T946] F2FS-fs (loop4): fault_injection options not supported [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 962 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./21/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 962 attached [pid 962] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 962] chdir("./23") = 0 [pid 962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 962] setpgid(0, 0) = 0 [pid 962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 962] write(3, "1000", 4) = 4 [pid 962] close(3) = 0 [pid 962] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 962] write(1, "executing program\n", 18) = 18 [pid 962] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 962] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 962] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 962] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 962] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 962] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[965]}, 88) = 965 [pid 962] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 962] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 962] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 284] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 965 attached [pid 965] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 965] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 965] memfd_create("syzkaller", 0) = 3 [pid 965] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 284] umount2("./20/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./20/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./20/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./20/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [ 73.074134][ T946] F2FS-fs (loop4): fault_type options not supported [ 73.087092][ T946] F2FS-fs (loop4): invalid crc value [ 73.097163][ T946] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 284] rmdir("./20/file4") = 0 [pid 284] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./20/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./20") = 0 [pid 284] mkdir("./21", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 967 [pid 946] <... mount resumed>) = 0 ./strace-static-x86_64: Process 967 attached [pid 946] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 967] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 967] chdir("./21") = 0 [pid 967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 946] <... openat resumed>) = 3 [pid 967] <... prctl resumed>) = 0 [pid 946] chdir("./file4") = 0 [pid 946] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 967] setpgid(0, 0) = 0 [pid 967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 967] write(3, "1000", 4) = 4 [pid 967] close(3) = 0 [pid 967] symlink("/dev/binderfs", "./binderfs") = 0 [pid 967] write(1, "executing program\n", 18executing program ) = 18 [pid 967] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 967] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 967] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 967] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 967] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[968]}, 88) = 968 [pid 967] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 967] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 967] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 968 attached [pid 968] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 968] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 968] memfd_create("syzkaller", 0) = 3 [pid 968] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 73.143421][ T946] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 73.152676][ T946] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 946] <... openat resumed>) = 4 [pid 946] ioctl(4, LOOP_CLR_FD) = 0 [pid 946] close(4) = 0 [pid 946] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 945] <... futex resumed>) = 0 [pid 946] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 945] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 945] <... futex resumed>) = 0 [pid 946] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 945] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 946] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 965] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 946] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 945] <... futex resumed>) = 0 [pid 945] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 946] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 945] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 946] <... symlink resumed>) = 0 [pid 946] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 945] <... futex resumed>) = 0 [pid 946] <... futex resumed>) = 1 [pid 946] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 945] exit_group(0 [pid 946] <... futex resumed>) = ? [pid 945] <... exit_group resumed>) = ? [pid 946] +++ exited with 0 +++ [pid 945] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=945, si_uid=0, si_status=0, si_utime=10, si_stime=23} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 73.267908][ T946] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 287] umount2("./21/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./22/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./22/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./22/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./22/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./22/file4") = 0 [pid 285] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./22/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./22") = 0 [pid 285] mkdir("./23", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 969 executing program ./strace-static-x86_64: Process 969 attached [pid 283] <... umount2 resumed>) = 0 [pid 969] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 969] chdir("./23") = 0 [pid 969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 969] setpgid(0, 0) = 0 [pid 969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 969] write(3, "1000", 4) = 4 [pid 969] close(3) = 0 [pid 969] symlink("/dev/binderfs", "./binderfs") = 0 [pid 969] write(1, "executing program\n", 18) = 18 [pid 969] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 969] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 969] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 969] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 969] rt_sigprocmask(SIG_BLOCK, ~[], [pid 283] umount2("./21/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 969] <... rt_sigprocmask resumed>[], 8) = 0 [pid 969] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./21/file4", [pid 969] <... clone3 resumed> => {parent_tid=[970]}, 88) = 970 [pid 969] rt_sigprocmask(SIG_SETMASK, [], [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 283] umount2("./21/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 969] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 969] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 283] openat(AT_FDCWD, "./21/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 970 attached ) = 4 [pid 283] newfstatat(4, "", [pid 970] set_robust_list(0x7fb743f169a0, 24 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 970] <... set_robust_list resumed>) = 0 [pid 283] getdents64(4, [pid 970] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 283] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 970] memfd_create("syzkaller", 0 [pid 283] getdents64(4, [pid 970] <... memfd_create resumed>) = 3 [pid 283] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 970] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 283] close(4 [pid 970] <... mmap resumed>) = 0x7fb73baf6000 [pid 283] <... close resumed>) = 0 [pid 283] rmdir("./21/file4") = 0 [pid 283] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./21/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./21") = 0 [pid 283] mkdir("./22", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 971 ./strace-static-x86_64: Process 971 attached [pid 971] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 971] chdir("./22") = 0 [pid 971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 971] setpgid(0, 0) = 0 [pid 971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 971] write(3, "1000", 4) = 4 [pid 971] close(3) = 0 [pid 971] symlink("/dev/binderfs", "./binderfs") = 0 [pid 971] write(1, "executing program\n", 18executing program ) = 18 [pid 971] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 971] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 971] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 971] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 971] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 971] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[972]}, 88) = 972 [pid 971] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 971] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 971] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 972 attached [pid 972] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 972] memfd_create("syzkaller", 0) = 3 [pid 972] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 965] <... write resumed>) = 20699119 [pid 968] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 965] munmap(0x7fb73baf6000, 138412032) = 0 [pid 965] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 965] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 965] close(3) = 0 [pid 965] close(4) = 0 [pid 965] mkdir("./file4", 0777) = 0 [pid 965] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./21/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./21/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./21/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./21/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./21/file4") = 0 [pid 287] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./21/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./21") = 0 [pid 287] mkdir("./22", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 974 [ 73.470458][ T965] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 73.495763][ T965] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock ./strace-static-x86_64: Process 974 attached [pid 974] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 974] chdir("./22") = 0 [pid 974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 974] setpgid(0, 0) = 0 [pid 974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 974] write(3, "1000", 4) = 4 [pid 974] close(3) = 0 [pid 974] symlink("/dev/binderfs", "./binderfs") = 0 [pid 974] write(1, "executing program\n", 18) = 18 [pid 974] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 974] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 974] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 974] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 974] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[975]}, 88) = 975 [pid 974] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 974] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 974] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 975 attached [pid 975] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 975] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 975] memfd_create("syzkaller", 0) = 3 [pid 975] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 73.535412][ T965] F2FS-fs (loop3): fault_injection options not supported [ 73.553845][ T965] F2FS-fs (loop3): fault_type options not supported [ 73.602311][ T965] F2FS-fs (loop3): invalid crc value [ 73.633605][ T965] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 972] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 970] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 972] <... write resumed>) = 20699119 [pid 972] munmap(0x7fb73baf6000, 138412032) = 0 [pid 972] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 972] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 972] close(3) = 0 [pid 972] close(4 [pid 968] <... write resumed>) = 20699119 [pid 968] munmap(0x7fb73baf6000, 138412032) = 0 [pid 968] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 972] <... close resumed>) = 0 [pid 972] mkdir("./file4", 0777) = 0 [pid 972] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 968] <... openat resumed>) = 4 [pid 968] ioctl(4, LOOP_SET_FD, 3 [pid 965] <... mount resumed>) = 0 [pid 965] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 965] chdir("./file4") = 0 [pid 965] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 968] <... ioctl resumed>) = 0 [pid 968] close(3 [pid 965] <... openat resumed>) = 4 [ 73.754516][ T965] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 73.756936][ T972] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 73.766003][ T965] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 73.775794][ T972] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [pid 968] <... close resumed>) = 0 [pid 968] close(4 [pid 965] ioctl(4, LOOP_CLR_FD [pid 968] <... close resumed>) = 0 [pid 965] <... ioctl resumed>) = 0 [pid 965] close(4 [pid 968] mkdir("./file4", 0777 [pid 965] <... close resumed>) = 0 [pid 965] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 968] <... mkdir resumed>) = 0 [pid 965] <... futex resumed>) = 1 [pid 962] <... futex resumed>) = 0 [pid 968] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 965] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 962] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 962] <... futex resumed>) = 0 [pid 965] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 73.798336][ T972] F2FS-fs (loop0): fault_injection options not supported [ 73.806021][ T972] F2FS-fs (loop0): fault_type options not supported [ 73.815453][ T968] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 73.826545][ T965] F2FS-fs (loop3): switch discard_unit option is not allowed [ 73.835073][ T972] F2FS-fs (loop0): invalid crc value [pid 962] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 965] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 975] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 970] <... write resumed>) = 20699119 [pid 965] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 962] <... futex resumed>) = 0 [pid 965] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 962] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 970] munmap(0x7fb73baf6000, 138412032 [pid 962] <... futex resumed>) = 0 [pid 962] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 970] <... munmap resumed>) = 0 [pid 970] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 970] ioctl(4, LOOP_SET_FD, 3 [pid 965] <... symlink resumed>) = 0 [pid 965] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 965] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 962] <... futex resumed>) = 0 [pid 962] exit_group(0 [pid 965] <... futex resumed>) = ? [pid 962] <... exit_group resumed>) = ? [pid 965] +++ exited with 0 +++ [pid 962] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=962, si_uid=0, si_status=0, si_utime=8, si_stime=19} --- [ 73.852497][ T968] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 73.860776][ T972] F2FS-fs (loop0): Found nat_bits in checkpoint [ 73.867632][ T965] handle_bad_sector: 33 callbacks suppressed [ 73.867645][ T965] attempt to access beyond end of device [ 73.867645][ T965] loop3: rw=2049, want=53256, limit=40427 [ 73.895848][ T968] F2FS-fs (loop1): fault_injection options not supported [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 970] <... ioctl resumed>) = 0 [pid 970] close(3) = 0 [pid 970] close(4 [pid 286] <... restart_syscall resumed>) = 0 [pid 286] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./23/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 970] <... close resumed>) = 0 [pid 972] <... mount resumed>) = 0 [pid 970] mkdir("./file4", 0777 [pid 972] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 970] <... mkdir resumed>) = 0 [pid 972] <... openat resumed>) = 3 [ 73.906296][ T968] F2FS-fs (loop1): fault_type options not supported [ 73.914720][ T972] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 73.922264][ T972] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 73.922336][ T286] attempt to access beyond end of device [ 73.922336][ T286] loop3: rw=2049, want=45104, limit=40427 [ 73.930286][ T968] F2FS-fs (loop1): invalid crc value [ 73.948558][ T970] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [pid 970] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 972] chdir("./file4") = 0 [pid 972] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 972] ioctl(4, LOOP_CLR_FD) = 0 [pid 972] close(4) = 0 [pid 972] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 971] <... futex resumed>) = 0 [pid 972] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 971] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 971] <... futex resumed>) = 0 [pid 971] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 972] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 972] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 971] <... futex resumed>) = 0 [pid 971] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 971] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 73.955536][ T970] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 73.965967][ T970] F2FS-fs (loop2): fault_injection options not supported [ 73.985909][ T970] F2FS-fs (loop2): fault_type options not supported [ 73.993717][ T972] F2FS-fs (loop0): switch discard_unit option is not allowed [ 73.994551][ T970] F2FS-fs (loop2): invalid crc value [pid 972] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 972] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 971] <... futex resumed>) = 0 [pid 971] exit_group(0) = ? [pid 972] +++ exited with 0 +++ [pid 971] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=971, si_uid=0, si_status=0, si_utime=9, si_stime=16} --- [pid 283] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 975] <... write resumed>) = 20699119 [pid 975] munmap(0x7fb73baf6000, 138412032 [ 74.009937][ T972] attempt to access beyond end of device [ 74.009937][ T972] loop0: rw=2049, want=53256, limit=40427 [ 74.033349][ T968] F2FS-fs (loop1): Found nat_bits in checkpoint [ 74.041350][ T970] F2FS-fs (loop2): Found nat_bits in checkpoint [ 74.050877][ T283] attempt to access beyond end of device [pid 283] umount2("./22/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 975] <... munmap resumed>) = 0 [pid 975] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 975] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 975] close(3) = 0 [ 74.050877][ T283] loop0: rw=2049, want=45104, limit=40427 [pid 975] close(4) = 0 [pid 975] mkdir("./file4", 0777) = 0 [pid 968] <... mount resumed>) = 0 [pid 968] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 968] chdir("./file4") = 0 [pid 975] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 968] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 968] ioctl(4, LOOP_CLR_FD) = 0 [pid 968] close(4) = 0 [pid 968] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 967] <... futex resumed>) = 0 [pid 968] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 74.098632][ T968] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 74.125938][ T968] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 967] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 967] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 968] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 968] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 967] <... futex resumed>) = 0 [pid 967] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 967] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 968] <... futex resumed>) = 1 [pid 968] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 968] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 967] <... futex resumed>) = 0 [pid 967] exit_group(0) = ? [pid 968] <... futex resumed>) = ? [pid 968] +++ exited with 0 +++ [pid 967] +++ exited with 0 +++ [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./23/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./23/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./23/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./23/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=967, si_uid=0, si_status=0, si_utime=10, si_stime=19} --- [pid 286] <... openat resumed>) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./23/file4" [pid 284] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 286] <... rmdir resumed>) = 0 [pid 284] <... openat resumed>) = 3 [ 74.146588][ T968] F2FS-fs (loop1): switch discard_unit option is not allowed [ 74.155089][ T975] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 74.163936][ T968] attempt to access beyond end of device [ 74.163936][ T968] loop1: rw=2049, want=53256, limit=40427 [ 74.173392][ T975] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 74.186286][ T975] F2FS-fs (loop4): fault_injection options not supported [pid 286] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./21/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] newfstatat(AT_FDCWD, "./23/binderfs", [pid 970] <... mount resumed>) = 0 [pid 970] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 970] chdir("./file4") = 0 [pid 970] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 286] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./23/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 970] <... openat resumed>) = 4 [pid 970] ioctl(4, LOOP_CLR_FD) = 0 [pid 970] close(4 [pid 286] close(3) = 0 [pid 286] rmdir("./23") = 0 [pid 286] mkdir("./24", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 993 [ 74.186349][ T970] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 74.193387][ T975] F2FS-fs (loop4): fault_type options not supported [ 74.201316][ T970] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 74.208546][ T975] F2FS-fs (loop4): invalid crc value [ 74.225894][ T284] attempt to access beyond end of device [ 74.225894][ T284] loop1: rw=2049, want=45104, limit=40427 ./strace-static-x86_64: Process 993 attached [pid 283] <... umount2 resumed>) = 0 [pid 993] set_robust_list(0x55557d22a6a0, 24 [pid 283] umount2("./22/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 993] <... set_robust_list resumed>) = 0 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 993] chdir("./24" [pid 283] newfstatat(AT_FDCWD, "./22/file4", [pid 993] <... chdir resumed>) = 0 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./22/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./22/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 283] <... openat resumed>) = 4 [pid 993] <... prctl resumed>) = 0 [pid 283] newfstatat(4, "", [pid 993] setpgid(0, 0 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 993] <... setpgid resumed>) = 0 [pid 283] getdents64(4, [pid 993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 283] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 993] <... openat resumed>) = 3 [pid 283] getdents64(4, [pid 993] write(3, "1000", 4 [pid 283] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 993] <... write resumed>) = 4 [pid 283] close(4 [pid 993] close(3 [pid 283] <... close resumed>) = 0 [pid 993] <... close resumed>) = 0 [pid 283] rmdir("./22/file4" [pid 993] symlink("/dev/binderfs", "./binderfs" [pid 283] <... rmdir resumed>) = 0 executing program [pid 993] <... symlink resumed>) = 0 [pid 283] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 993] write(1, "executing program\n", 18 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 993] <... write resumed>) = 18 [pid 283] newfstatat(AT_FDCWD, "./22/binderfs", [pid 993] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 283] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 993] <... futex resumed>) = 0 [pid 283] unlink("./22/binderfs" [pid 993] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 283] <... unlink resumed>) = 0 [pid 993] <... rt_sigaction resumed>NULL, 8) = 0 [pid 283] getdents64(3, [pid 993] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 283] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 283] close(3 [pid 993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 283] <... close resumed>) = 0 [pid 993] <... mmap resumed>) = 0x7fb743ef6000 [pid 283] rmdir("./22" [pid 993] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 283] <... rmdir resumed>) = 0 [pid 993] <... mprotect resumed>) = 0 [pid 283] mkdir("./23", 0777 [pid 993] rt_sigprocmask(SIG_BLOCK, ~[], [pid 283] <... mkdir resumed>) = 0 [pid 993] <... rt_sigprocmask resumed>[], 8) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 993] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 283] <... openat resumed>) = 3 [pid 283] ioctl(3, LOOP_CLR_FD [pid 993] <... clone3 resumed> => {parent_tid=[995]}, 88) = 995 [pid 283] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 993] rt_sigprocmask(SIG_SETMASK, [], [pid 283] close(3 [pid 993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 283] <... close resumed>) = 0 [pid 993] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 993] <... futex resumed>) = 0 [pid 993] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 996 [pid 970] <... close resumed>) = 0 [pid 970] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 969] <... futex resumed>) = 0 [pid 969] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 969] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 970] <... futex resumed>) = 1 [pid 970] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL./strace-static-x86_64: Process 995 attached [pid 995] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 995] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 995] memfd_create("syzkaller", 0) = 3 [pid 995] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 ./strace-static-x86_64: Process 996 attached [pid 996] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 996] chdir("./23") = 0 [pid 996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 996] setpgid(0, 0) = 0 [pid 996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 996] write(3, "1000", 4) = 4 [pid 996] close(3) = 0 [pid 996] symlink("/dev/binderfs", "./binderfs") = 0 [pid 996] write(1, "executing program\n", 18executing program ) = 18 [pid 996] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 996] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 996] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 996] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 996] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 996] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[997]}, 88) = 997 [pid 996] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 996] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 996] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 997 attached [pid 997] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 997] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 997] memfd_create("syzkaller", 0) = 3 [pid 997] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 970] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 970] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 969] <... futex resumed>) = 0 [pid 969] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 969] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 970] <... futex resumed>) = 1 [ 74.266509][ T975] F2FS-fs (loop4): Found nat_bits in checkpoint [ 74.287564][ T970] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 970] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 970] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 969] <... futex resumed>) = 0 [pid 969] exit_group(0) = ? [pid 970] <... futex resumed>) = ? [pid 970] +++ exited with 0 +++ [pid 969] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=969, si_uid=0, si_status=0, si_utime=9, si_stime=18} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 74.319434][ T970] attempt to access beyond end of device [ 74.319434][ T970] loop2: rw=2049, want=53256, limit=40427 [ 74.375584][ T285] attempt to access beyond end of device [ 74.375584][ T285] loop2: rw=2049, want=45104, limit=40427 [pid 285] umount2("./23/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 975] <... mount resumed>) = 0 [pid 975] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 975] chdir("./file4") = 0 [pid 975] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 975] ioctl(4, LOOP_CLR_FD) = 0 [pid 975] close(4) = 0 [pid 975] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 975] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 974] <... futex resumed>) = 0 [pid 974] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 975] <... futex resumed>) = 0 [pid 975] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 74.429197][ T975] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 74.439575][ T975] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 974] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./21/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./21/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./21/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./21/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./21/file4") = 0 [pid 284] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./21/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./21") = 0 [pid 284] mkdir("./22", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 975] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 975] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 974] <... futex resumed>) = 0 [pid 974] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 974] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 975] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 975] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 974] <... futex resumed>) = 0 [pid 974] exit_group(0) = ? [pid 975] +++ exited with 0 +++ [pid 974] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=974, si_uid=0, si_status=0, si_utime=11, si_stime=20} --- [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 995] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 287] <... restart_syscall resumed>) = 0 [pid 287] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 74.477556][ T975] F2FS-fs (loop4): switch discard_unit option is not allowed [ 74.510020][ T975] attempt to access beyond end of device [ 74.510020][ T975] loop4: rw=2049, want=53256, limit=40427 [pid 287] umount2("./22/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 997] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] <... openat resumed>) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 999 ./strace-static-x86_64: Process 999 attached [pid 999] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 999] chdir("./22") = 0 [pid 999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 999] setpgid(0, 0) = 0 [pid 999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 999] write(3, "1000", 4) = 4 [pid 999] close(3) = 0 [pid 999] symlink("/dev/binderfs", "./binderfs") = 0 [pid 999] write(1, "executing program\n", 18executing program ) = 18 [pid 999] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 999] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 999] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 999] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 999] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 999] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1000]}, 88) = 1000 [pid 999] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 999] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 999] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1000 attached [pid 1000] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1000] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1000] memfd_create("syzkaller", 0) = 3 [pid 1000] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 74.533632][ T287] attempt to access beyond end of device [ 74.533632][ T287] loop4: rw=2049, want=45104, limit=40427 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./23/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./23/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./23/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./23/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./23/file4") = 0 [pid 285] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./23/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./23") = 0 [pid 285] mkdir("./24", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1001 attached , child_tidptr=0x55557d22a690) = 1001 [pid 1001] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1001] chdir("./24") = 0 [pid 1001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1001] setpgid(0, 0) = 0 [pid 1001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1001] write(3, "1000", 4) = 4 [pid 1001] close(3) = 0 [pid 1001] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1001] write(1, "executing program\n", 18executing program ) = 18 [pid 1001] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1001] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1001] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1001] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1001] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1001] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1002]}, 88) = 1002 [pid 1001] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1001] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1001] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1002 attached [pid 1002] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1002] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1002] memfd_create("syzkaller", 0) = 3 [pid 1002] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 995] <... write resumed>) = 20699119 [pid 995] munmap(0x7fb73baf6000, 138412032) = 0 [pid 995] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 995] ioctl(4, LOOP_SET_FD, 3 [pid 997] <... write resumed>) = 20699119 [pid 995] <... ioctl resumed>) = 0 [pid 995] close(3) = 0 [pid 995] close(4) = 0 [pid 995] mkdir("./file4", 0777) = 0 [pid 995] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 997] munmap(0x7fb73baf6000, 138412032) = 0 [pid 997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 997] ioctl(4, LOOP_SET_FD, 3 [pid 1000] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./22/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./22/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./22/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./22/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./22/file4") = 0 [pid 287] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./22/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./22") = 0 [pid 287] mkdir("./23", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3 [pid 997] <... ioctl resumed>) = 0 [pid 997] close(3) = 0 [pid 997] close(4) = 0 [pid 997] mkdir("./file4", 0777) = 0 [ 74.796654][ T995] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 74.803650][ T995] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [pid 997] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] <... close resumed>) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1005 ./strace-static-x86_64: Process 1005 attached [pid 1005] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1005] chdir("./23") = 0 [pid 1005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1005] setpgid(0, 0) = 0 [pid 1005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1005] write(3, "1000", 4) = 4 [pid 1005] close(3) = 0 [pid 1005] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1005] write(1, "executing program\n", 18executing program ) = 18 [pid 1005] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1005] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1005] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1005] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1005] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1005] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1006]}, 88) = 1006 [pid 1005] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1005] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1005] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1006 attached [pid 1006] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1006] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1006] memfd_create("syzkaller", 0) = 3 [pid 1006] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 74.837506][ T997] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 74.844501][ T997] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 74.847695][ T995] F2FS-fs (loop3): fault_injection options not supported [ 74.875840][ T997] F2FS-fs (loop0): fault_injection options not supported [ 74.893507][ T995] F2FS-fs (loop3): fault_type options not supported [ 74.900704][ T997] F2FS-fs (loop0): fault_type options not supported [ 74.916000][ T995] F2FS-fs (loop3): invalid crc value [ 74.926118][ T997] F2FS-fs (loop0): invalid crc value [ 74.943242][ T997] F2FS-fs (loop0): Found nat_bits in checkpoint [ 74.950347][ T995] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 1002] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 1002] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1002] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1002] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1002] close(3) = 0 [pid 1002] close(4) = 0 [pid 1002] mkdir("./file4", 0777) = 0 [pid 1002] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1000] <... write resumed>) = 20699119 [pid 1000] munmap(0x7fb73baf6000, 138412032) = 0 [pid 997] <... mount resumed>) = 0 [ 75.059229][ T1002] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 75.064287][ T997] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 75.073542][ T1002] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 75.074199][ T995] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 75.081873][ T997] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 75.095947][ T1002] F2FS-fs (loop2): fault_injection options not supported [pid 1006] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 997] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 995] <... mount resumed>) = 0 [pid 1000] <... openat resumed>) = 4 [pid 997] <... openat resumed>) = 3 [pid 1000] ioctl(4, LOOP_SET_FD, 3 [pid 997] chdir("./file4") = 0 [pid 997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 995] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 995] chdir("./file4") = 0 [pid 995] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1000] <... ioctl resumed>) = 0 [pid 997] <... openat resumed>) = 4 [pid 995] <... openat resumed>) = 4 [pid 997] ioctl(4, LOOP_CLR_FD [pid 1000] close(3 [pid 997] <... ioctl resumed>) = 0 [pid 995] ioctl(4, LOOP_CLR_FD [pid 1000] <... close resumed>) = 0 [pid 1000] close(4 [pid 997] close(4 [pid 995] <... ioctl resumed>) = 0 [pid 1000] <... close resumed>) = 0 [pid 997] <... close resumed>) = 0 [pid 1000] mkdir("./file4", 0777 [pid 997] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 995] close(4 [pid 1000] <... mkdir resumed>) = 0 [pid 997] <... futex resumed>) = 1 [pid 996] <... futex resumed>) = 0 [pid 995] <... close resumed>) = 0 [pid 1000] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 997] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 996] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 995] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 997] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 996] <... futex resumed>) = 0 [pid 995] <... futex resumed>) = 1 [pid 993] <... futex resumed>) = 0 [pid 996] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 995] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 75.097892][ T995] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 75.110830][ T1002] F2FS-fs (loop2): fault_type options not supported [ 75.124410][ T1000] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 75.132132][ T997] F2FS-fs (loop0): switch discard_unit option is not allowed [ 75.132572][ T1002] F2FS-fs (loop2): invalid crc value [pid 993] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 993] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 995] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 997] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 995] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 997] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 993] <... futex resumed>) = 0 [pid 993] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 993] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 996] <... futex resumed>) = 0 [pid 996] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 996] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 995] <... futex resumed>) = 1 [pid 997] <... futex resumed>) = 1 [pid 995] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 997] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 995] <... symlink resumed>) = 0 [pid 995] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 993] <... futex resumed>) = 0 [pid 993] exit_group(0) = ? [pid 995] <... futex resumed>) = ? [pid 997] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 996] <... futex resumed>) = 0 [pid 996] exit_group(0) = ? [pid 997] <... futex resumed>) = ? [pid 997] +++ exited with 0 +++ [pid 996] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=996, si_uid=0, si_status=0, si_utime=10, si_stime=18} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 995] +++ exited with 0 +++ [pid 993] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=993, si_uid=0, si_status=0, si_utime=13, si_stime=17} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./24/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 75.153205][ T995] F2FS-fs (loop3): switch discard_unit option is not allowed [ 75.173050][ T1000] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 75.185492][ T1002] F2FS-fs (loop2): Found nat_bits in checkpoint [ 75.207012][ T1000] F2FS-fs (loop1): fault_injection options not supported [ 75.214188][ T1000] F2FS-fs (loop1): fault_type options not supported [ 75.244407][ T1000] F2FS-fs (loop1): invalid crc value [pid 283] umount2("./23/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1002] <... mount resumed>) = 0 [pid 1002] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1002] chdir("./file4") = 0 [pid 1002] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1002] ioctl(4, LOOP_CLR_FD) = 0 [pid 1002] close(4 [pid 1006] <... write resumed>) = 20699119 [pid 1006] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1006] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 75.266497][ T1000] F2FS-fs (loop1): Found nat_bits in checkpoint [ 75.274073][ T1002] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 75.281910][ T1002] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 1006] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1002] <... close resumed>) = 0 [pid 1002] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1006] close(3 [pid 1001] <... futex resumed>) = 0 [pid 1001] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1001] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1002] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1006] <... close resumed>) = 0 [pid 1006] close(4) = 0 [pid 1006] mkdir("./file4", 0777) = 0 [pid 1006] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./24/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./24/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./24/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./24/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./24/file4") = 0 [pid 286] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./24/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./24") = 0 [pid 286] mkdir("./25", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3executing program ) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1021 ./strace-static-x86_64: Process 1021 attached [pid 1021] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1021] chdir("./25") = 0 [pid 1021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1021] setpgid(0, 0) = 0 [pid 1021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1021] write(3, "1000", 4) = 4 [pid 1021] close(3) = 0 [pid 1021] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1021] write(1, "executing program\n", 18) = 18 [pid 1021] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1021] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1021] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1021] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1021] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1021] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1022]}, 88) = 1022 [pid 1021] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1021] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1021] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1022 attached [pid 1022] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1022] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1022] memfd_create("syzkaller", 0) = 3 [pid 1022] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1002] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1002] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1001] <... futex resumed>) = 0 [pid 1002] <... futex resumed>) = 1 [pid 1001] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1001] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1002] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [ 75.335082][ T1002] F2FS-fs (loop2): switch discard_unit option is not allowed [ 75.344497][ T1006] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [pid 1002] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1001] <... futex resumed>) = 0 [pid 1002] <... futex resumed>) = 1 [pid 1001] exit_group(0) = ? [pid 1002] +++ exited with 0 +++ [pid 1001] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1001, si_uid=0, si_status=0, si_utime=8, si_stime=17} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 75.386006][ T1006] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 75.415868][ T1006] F2FS-fs (loop4): fault_injection options not supported [ 75.422934][ T1006] F2FS-fs (loop4): fault_type options not supported [pid 285] umount2("./24/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./23/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./23/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./23/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./23/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./23/file4") = 0 [pid 283] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./23/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./23") = 0 [pid 283] mkdir("./24", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3 [pid 1022] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 283] <... close resumed>) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1024 [ 75.450824][ T1000] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 75.469791][ T1000] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 ./strace-static-x86_64: Process 1024 attached [pid 1024] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1024] chdir("./24") = 0 [pid 1024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1024] setpgid(0, 0) = 0 [pid 1024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1024] write(3, "1000", 4) = 4 [pid 1024] close(3) = 0 [pid 1024] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1024] write(1, "executing program\n", 18) = 18 [pid 1024] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1024] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1024] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1024] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1024] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1026]}, 88) = 1026 [pid 1024] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1024] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1024] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1000] <... mount resumed>) = 0 ./strace-static-x86_64: Process 1026 attached [pid 1000] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1026] set_robust_list(0x7fb743f169a0, 24 [pid 1000] <... openat resumed>) = 3 [pid 1026] <... set_robust_list resumed>) = 0 [pid 1000] chdir("./file4" [pid 1026] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1000] <... chdir resumed>) = 0 [pid 1000] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1026] memfd_create("syzkaller", 0 [pid 1000] ioctl(4, LOOP_CLR_FD [pid 1026] <... memfd_create resumed>) = 3 [pid 1000] <... ioctl resumed>) = 0 [pid 1026] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 1000] close(4 [pid 1026] <... mmap resumed>) = 0x7fb73baf6000 [pid 1000] <... close resumed>) = 0 [pid 1000] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 999] <... futex resumed>) = 0 [pid 999] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 999] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 75.509933][ T1006] F2FS-fs (loop4): invalid crc value [ 75.527986][ T1006] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 1000] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1000] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 999] <... futex resumed>) = 0 [pid 999] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 999] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1000] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1000] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 999] <... futex resumed>) = 0 [pid 999] exit_group(0) = ? [pid 1000] +++ exited with 0 +++ [pid 999] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=999, si_uid=0, si_status=0, si_utime=9, si_stime=22} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./22/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1022] <... write resumed>) = 20699119 [pid 1022] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1022] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1022] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1022] close(3) = 0 [ 75.569353][ T1000] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 1022] close(4 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./24/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./24/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./24/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./24/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./24/file4") = 0 [pid 285] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./24/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./24") = 0 [pid 285] mkdir("./25", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1022] <... close resumed>) = 0 [pid 285] <... openat resumed>) = 3 [pid 1022] mkdir("./file4", 0777 [pid 285] ioctl(3, LOOP_CLR_FD [pid 1022] <... mkdir resumed>) = 0 [pid 1022] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1006] <... mount resumed>) = 0 [pid 1006] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1006] chdir("./file4") = 0 [pid 1006] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 75.649447][ T1006] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 75.657192][ T1006] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 1026] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 1026] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1026] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 285] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 285] close(3 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./22/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./22/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./22/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./22/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./22/file4") = 0 [pid 284] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./22/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./22") = 0 [pid 284] mkdir("./23", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1006] <... openat resumed>) = 4 [pid 1006] ioctl(4, LOOP_CLR_FD) = 0 [pid 1006] close(4) = 0 [pid 1006] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1006] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1026] <... openat resumed>) = 4 [pid 1005] <... futex resumed>) = 0 [pid 285] <... close resumed>) = 0 [pid 284] <... openat resumed>) = 3 [pid 1026] ioctl(4, LOOP_SET_FD, 3 [pid 1005] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 284] ioctl(3, LOOP_CLR_FD [pid 1006] <... futex resumed>) = 0 [pid 1005] <... futex resumed>) = 1 [pid 1006] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL./strace-static-x86_64: Process 1031 attached [pid 1026] <... ioctl resumed>) = 0 [pid 1005] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 284] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1031] set_robust_list(0x55557d22a6a0, 24 [pid 1026] close(3 [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 1031 [pid 284] close(3 [pid 1006] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1006] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1006] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1005] <... futex resumed>) = 0 [pid 1031] <... set_robust_list resumed>) = 0 [pid 1026] <... close resumed>) = 0 [pid 1005] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... close resumed>) = 0 [pid 1031] chdir("./25" [pid 1026] close(4 [pid 1005] <... futex resumed>) = 1 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1006] <... futex resumed>) = 0 [pid 1006] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1031] <... chdir resumed>) = 0 [pid 1006] <... symlink resumed>) = 0 [pid 1006] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1006] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 75.814401][ T1022] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 75.824506][ T1022] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 75.833597][ T1022] F2FS-fs (loop3): fault_injection options not supported [ 75.841598][ T1006] F2FS-fs (loop4): switch discard_unit option is not allowed [ 75.857393][ T1022] F2FS-fs (loop3): fault_type options not supported [pid 1005] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 1032 attached [pid 1031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 284] <... clone resumed>, child_tidptr=0x55557d22a690) = 1032 [pid 1031] <... prctl resumed>) = 0 [pid 1005] exit_group(0 [pid 1031] setpgid(0, 0 [pid 1005] <... exit_group resumed>) = ? [pid 1031] <... setpgid resumed>) = 0 [pid 1031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1031] write(3, "1000", 4) = 4 [pid 1031] close(3) = 0 [pid 1031] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1031] write(1, "executing program\n", 18) = 18 [pid 1031] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1006] <... futex resumed>) = ? [pid 1031] <... futex resumed>) = 0 [pid 1031] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1031] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1006] +++ exited with 0 +++ [pid 1005] +++ exited with 0 +++ [pid 1031] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1005, si_uid=0, si_status=0, si_utime=8, si_stime=16} --- [pid 1031] <... mprotect resumed>) = 0 [pid 1031] rt_sigprocmask(SIG_BLOCK, ~[], [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 1031] <... rt_sigprocmask resumed>[], 8) = 0 [pid 1031] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1035]}, 88) = 1035 [pid 1031] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1031] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1031] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1032] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1032] chdir("./23") = 0 [pid 1032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1032] setpgid(0, 0) = 0 [pid 1032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1032] write(3, "1000", 4) = 4 [pid 1032] close(3) = 0 [pid 1032] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1032] write(1, "executing program\n", 18executing program [pid 287] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 1035 attached [pid 1032] <... write resumed>) = 18 [pid 287] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1032] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1035] set_robust_list(0x7fb743f169a0, 24 [pid 1032] <... futex resumed>) = 0 [pid 287] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1032] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 1035] <... set_robust_list resumed>) = 0 [pid 287] <... openat resumed>) = 3 [pid 1032] <... rt_sigaction resumed>NULL, 8) = 0 [pid 1035] rt_sigprocmask(SIG_SETMASK, [], [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1032] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 1035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 287] getdents64(3, [pid 1032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 287] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 1035] memfd_create("syzkaller", 0 [pid 1032] <... mmap resumed>) = 0x7fb743ef6000 [pid 287] umount2("./23/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1032] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1032] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1032] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1036]}, 88) = 1036 [pid 1032] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1032] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1032] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1035] <... memfd_create resumed>) = 3 [pid 1026] <... close resumed>) = 0 [pid 1035] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 ./strace-static-x86_64: Process 1036 attached [pid 1026] mkdir("./file4", 0777) = 0 [pid 1036] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1026] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1036] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1036] memfd_create("syzkaller", 0) = 3 [pid 1036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 75.866632][ T1022] F2FS-fs (loop3): invalid crc value [ 75.873933][ T1022] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 1022] <... mount resumed>) = 0 [pid 1022] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1022] chdir("./file4") = 0 [pid 1022] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1022] ioctl(4, LOOP_CLR_FD) = 0 [pid 1022] close(4) = 0 [pid 1022] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1021] <... futex resumed>) = 0 [pid 1021] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1021] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1022] <... futex resumed>) = 1 [ 75.959786][ T1026] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 75.967776][ T1022] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 75.977369][ T1026] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 75.985322][ T1022] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 75.985704][ T1026] F2FS-fs (loop0): fault_injection options not supported [pid 1022] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1022] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1021] <... futex resumed>) = 0 [pid 1021] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1021] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1022] <... futex resumed>) = 1 [pid 1022] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1022] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1021] <... futex resumed>) = 0 [pid 1021] exit_group(0) = ? [pid 1022] <... futex resumed>) = ? [pid 1022] +++ exited with 0 +++ [pid 1021] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1021, si_uid=0, si_status=0, si_utime=6, si_stime=23} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 76.020260][ T1022] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 286] umount2("./25/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1035] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./23/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 76.075898][ T1026] F2FS-fs (loop0): fault_type options not supported [ 76.103616][ T1026] F2FS-fs (loop0): invalid crc value [pid 287] newfstatat(AT_FDCWD, "./23/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./23/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./23/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./23/file4") = 0 [pid 287] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./23/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./23") = 0 [pid 287] mkdir("./24", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1040 [ 76.135629][ T1026] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1036] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 1040 attached [pid 1040] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1040] chdir("./24") = 0 [pid 1040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1040] setpgid(0, 0) = 0 [pid 1040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1040] write(3, "1000", 4) = 4 [pid 1040] close(3) = 0 [pid 1040] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1040] write(1, "executing program\n", 18) = 18 [pid 1040] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1040] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1040] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1040] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1040] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1040] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1041]}, 88) = 1041 [pid 1040] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1040] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1040] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1041 attached [pid 1035] <... write resumed>) = 20699119 [pid 1041] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1041] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1041] memfd_create("syzkaller", 0) = 3 [pid 1041] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1035] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1035] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1035] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1035] close(3) = 0 [pid 1035] close(4) = 0 [pid 1035] mkdir("./file4", 0777) = 0 [pid 1035] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1026] <... mount resumed>) = 0 [pid 1026] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1026] chdir("./file4") = 0 [pid 1026] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1026] ioctl(4, LOOP_CLR_FD) = 0 [pid 1026] close(4) = 0 [pid 1026] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1024] <... futex resumed>) = 0 [pid 1024] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1024] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1026] <... futex resumed>) = 1 [ 76.222508][ T1026] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 76.239494][ T1035] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 76.245778][ T1026] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 76.255823][ T1035] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 76.264066][ T1035] F2FS-fs (loop2): fault_injection options not supported [pid 1026] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 286] <... umount2 resumed>) = 0 [pid 1026] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1026] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1024] <... futex resumed>) = 0 [pid 1024] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1024] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1026] <... futex resumed>) = 1 [pid 1026] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1026] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1024] <... futex resumed>) = 0 [pid 1024] exit_group(0) = ? [pid 1026] <... futex resumed>) = ? [pid 1026] +++ exited with 0 +++ [pid 1024] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1024, si_uid=0, si_status=0, si_utime=7, si_stime=18} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 286] umount2("./25/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./25/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./25/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./24/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] openat(AT_FDCWD, "./25/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./25/file4") = 0 [pid 286] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./25/binderfs") = 0 [ 76.274461][ T1026] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./25") = 0 [pid 286] mkdir("./26", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1044 ./strace-static-x86_64: Process 1044 attached [pid 1044] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1044] chdir("./26") = 0 [pid 1044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1044] setpgid(0, 0) = 0 [pid 1044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1044] write(3, "1000", 4) = 4 [pid 1044] close(3) = 0 [pid 1044] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1044] write(1, "executing program\n", 18) = 18 [pid 1044] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1044] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1044] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1044] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1044] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1046]}, 88) = 1046 [pid 1041] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1044] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1044] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1044] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1046 attached [pid 1046] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1046] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1046] memfd_create("syzkaller", 0) = 3 [pid 1046] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 76.358067][ T1035] F2FS-fs (loop2): fault_type options not supported [ 76.368779][ T1035] F2FS-fs (loop2): invalid crc value [ 76.397126][ T1035] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 1036] <... write resumed>) = 20699119 [pid 1036] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1036] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1036] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1036] close(3) = 0 [pid 1036] close(4) = 0 [pid 1036] mkdir("./file4", 0777) = 0 [pid 1036] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1035] <... mount resumed>) = 0 [pid 1035] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1035] chdir("./file4") = 0 [pid 1035] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1035] ioctl(4, LOOP_CLR_FD) = 0 [pid 1035] close(4) = 0 [pid 1035] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1031] <... futex resumed>) = 0 [pid 1035] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1031] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1031] <... futex resumed>) = 0 [pid 1035] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 76.460419][ T1036] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 76.466074][ T1035] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 76.474528][ T1035] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 76.480138][ T1036] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 76.490651][ T1036] F2FS-fs (loop1): fault_injection options not supported [ 76.497846][ T1036] F2FS-fs (loop1): fault_type options not supported [pid 1031] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1035] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1035] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1031] <... futex resumed>) = 0 [pid 1035] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1031] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1031] <... futex resumed>) = 0 [pid 1035] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1031] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1035] <... symlink resumed>) = 0 [pid 1035] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1031] <... futex resumed>) = 0 [pid 1031] exit_group(0) = ? [pid 1035] +++ exited with 0 +++ [pid 1031] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1031, si_uid=0, si_status=0, si_utime=9, si_stime=15} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 76.507445][ T1035] F2FS-fs (loop2): switch discard_unit option is not allowed [ 76.515899][ T1036] F2FS-fs (loop1): invalid crc value [pid 285] umount2("./25/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./24/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 76.555225][ T1036] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 283] newfstatat(AT_FDCWD, "./24/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./24/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1041] <... write resumed>) = 20699119 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1041] munmap(0x7fb73baf6000, 138412032 [pid 283] openat(AT_FDCWD, "./24/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./24/file4") = 0 [pid 283] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./24/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 1041] <... munmap resumed>) = 0 [pid 283] rmdir("./24") = 0 [pid 1041] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 283] mkdir("./25", 0777) = 0 [pid 1041] <... openat resumed>) = 4 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1041] ioctl(4, LOOP_SET_FD, 3 [pid 283] <... openat resumed>) = 3 [pid 283] ioctl(3, LOOP_CLR_FD [pid 1041] <... ioctl resumed>) = 0 [pid 283] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1041] close(3 [pid 283] close(3 [pid 1041] <... close resumed>) = 0 [pid 1041] close(4 [pid 1036] <... mount resumed>) = 0 [pid 1036] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1036] chdir("./file4") = 0 [pid 1036] openat(AT_FDCWD, "/dev/loop1", O_RDWR [ 76.604914][ T1036] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 76.619058][ T1036] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 1046] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1041] <... close resumed>) = 0 [pid 1036] <... openat resumed>) = 4 [pid 283] <... close resumed>) = 0 [pid 1041] mkdir("./file4", 0777 [pid 1036] ioctl(4, LOOP_CLR_FD [pid 1041] <... mkdir resumed>) = 0 [pid 1036] <... ioctl resumed>) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1036] close(4 [pid 1041] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 1054 [pid 1036] <... close resumed>) = 0 [pid 1036] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1032] <... futex resumed>) = 0 [pid 1036] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1032] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 1036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1032] <... futex resumed>) = 0 ./strace-static-x86_64: Process 1054 attached [pid 1054] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1054] chdir("./25") = 0 [pid 1054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1054] setpgid(0, 0) = 0 [pid 1054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1054] write(3, "1000", 4) = 4 [pid 1054] close(3) = 0 [pid 1054] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1054] write(1, "executing program\n", 18) = 18 [pid 1054] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1054] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1054] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1054] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1054] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1055]}, 88) = 1055 [pid 1054] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1054] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1054] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1032] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1036] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 1055 attached [pid 1036] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1032] <... futex resumed>) = 0 [pid 1055] set_robust_list(0x7fb743f169a0, 24 [pid 1036] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1032] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1032] <... futex resumed>) = 0 [pid 1032] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1036] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1036] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1055] <... set_robust_list resumed>) = 0 [pid 1036] <... futex resumed>) = 1 [pid 1032] <... futex resumed>) = 0 [pid 1055] rt_sigprocmask(SIG_SETMASK, [], [pid 1032] exit_group(0 [pid 1036] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1032] <... exit_group resumed>) = ? [pid 1036] <... futex resumed>) = ? [ 76.677820][ T1041] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 76.684849][ T1041] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 76.693649][ T1036] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 1055] memfd_create("syzkaller", 0) = 3 [pid 1036] +++ exited with 0 +++ [pid 1032] +++ exited with 0 +++ [pid 285] <... umount2 resumed>) = 0 [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1032, si_uid=0, si_status=0, si_utime=12, si_stime=24} --- [pid 1055] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 284] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1055] <... mmap resumed>) = 0x7fb73baf6000 [pid 284] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./23/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1046] <... write resumed>) = 20699119 [pid 285] umount2("./25/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./25/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./25/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./25/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./25/file4") = 0 [pid 285] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./25/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./25") = 0 [pid 285] mkdir("./26", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 1046] munmap(0x7fb73baf6000, 138412032 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3 [pid 1046] <... munmap resumed>) = 0 [ 76.735839][ T1041] F2FS-fs (loop4): fault_injection options not supported [ 76.759917][ T1041] F2FS-fs (loop4): fault_type options not supported [ 76.777829][ T1041] F2FS-fs (loop4): invalid crc value [pid 1046] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 285] <... close resumed>) = 0 [pid 1046] ioctl(4, LOOP_SET_FD, 3 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1059 [pid 1046] <... ioctl resumed>) = 0 [pid 1046] close(3) = 0 [pid 1046] close(4./strace-static-x86_64: Process 1059 attached [pid 1059] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1059] chdir("./26") = 0 [pid 1059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1059] setpgid(0, 0) = 0 [pid 1059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1059] write(3, "1000", 4) = 4 [pid 1059] close(3) = 0 [pid 1059] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1059] write(1, "executing program\n", 18) = 18 [pid 1059] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1059] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1059] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1059] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1059] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1060]}, 88) = 1060 [pid 1059] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1059] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1059] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1060 attached [pid 1060] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1060] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1060] memfd_create("syzkaller", 0) = 3 [pid 1060] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 76.796994][ T1041] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 1046] <... close resumed>) = 0 [pid 1046] mkdir("./file4", 0777) = 0 [pid 1046] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1041] <... mount resumed>) = 0 [pid 1041] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1041] chdir("./file4") = 0 [pid 1041] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1041] ioctl(4, LOOP_CLR_FD) = 0 [pid 1041] close(4) = 0 [pid 1041] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1040] <... futex resumed>) = 0 [pid 1041] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1040] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1040] <... futex resumed>) = 0 [pid 1041] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1040] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 284] <... umount2 resumed>) = 0 [ 76.876069][ T1041] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 76.883417][ T1041] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 76.909117][ T1046] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 76.918384][ T1041] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 1041] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 284] umount2("./23/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1041] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./23/file4", [pid 1041] <... futex resumed>) = 1 [pid 1040] <... futex resumed>) = 0 [pid 1041] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1040] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1040] <... futex resumed>) = 0 [pid 284] umount2("./23/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1040] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1041] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./23/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1041] <... symlink resumed>) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, [pid 1041] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4 [pid 1041] <... futex resumed>) = 1 [pid 1040] <... futex resumed>) = 0 [pid 1041] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1040] exit_group(0 [pid 284] <... close resumed>) = 0 [pid 1040] <... exit_group resumed>) = ? [pid 284] rmdir("./23/file4" [pid 1041] <... futex resumed>) = ? [pid 284] <... rmdir resumed>) = 0 [pid 1041] +++ exited with 0 +++ [pid 1040] +++ exited with 0 +++ [pid 284] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1040, si_uid=0, si_status=0, si_utime=10, si_stime=17} --- [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 284] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./23/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./23") = 0 [pid 287] <... restart_syscall resumed>) = 0 [pid 284] mkdir("./24", 0777 [pid 287] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./24/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] <... mkdir resumed>) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1062 ./strace-static-x86_64: Process 1062 attached [pid 1062] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1062] chdir("./24") = 0 [pid 1062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1062] setpgid(0, 0) = 0 [pid 1062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1062] write(3, "1000", 4) = 4 [pid 1062] close(3) = 0 [pid 1062] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1062] write(1, "executing program\n", 18executing program ) = 18 [pid 1062] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1062] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1062] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1062] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1062] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1064]}, 88) = 1064 [pid 1062] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1062] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1062] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1064 attached [ 76.946126][ T1046] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 76.954653][ T1046] F2FS-fs (loop3): fault_injection options not supported [ 76.975790][ T1046] F2FS-fs (loop3): fault_type options not supported [ 76.987042][ T1046] F2FS-fs (loop3): invalid crc value [pid 1055] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1064] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1064] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1064] memfd_create("syzkaller", 0) = 3 [pid 1064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 77.018107][ T1046] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 1060] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1046] <... mount resumed>) = 0 [pid 1046] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1046] chdir("./file4") = 0 [pid 1046] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1046] ioctl(4, LOOP_CLR_FD) = 0 [pid 1046] close(4) = 0 [pid 1046] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1044] <... futex resumed>) = 0 [pid 1044] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1046] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1044] <... futex resumed>) = 0 [pid 1044] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1046] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1046] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1044] <... futex resumed>) = 0 [pid 1046] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1044] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1046] <... symlink resumed>) = 0 [pid 1044] <... futex resumed>) = 0 [pid 1044] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1046] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1046] <... futex resumed>) = 0 [pid 1046] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1044] exit_group(0) = ? [pid 1046] <... futex resumed>) = ? [pid 1046] +++ exited with 0 +++ [pid 1044] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1044, si_uid=0, si_status=0, si_utime=6, si_stime=14} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 77.097882][ T1046] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 77.104962][ T1046] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 77.134180][ T1046] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 286] umount2("./26/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1060] <... write resumed>) = 20699119 [pid 1060] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1060] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1060] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1060] close(3) = 0 [pid 1060] close(4) = 0 [pid 1060] mkdir("./file4", 0777) = 0 [pid 1060] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1055] <... write resumed>) = 20699119 [pid 1055] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1064] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1055] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 77.209190][ T1060] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 77.237231][ T1060] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 77.245596][ T1060] F2FS-fs (loop2): fault_injection options not supported [pid 1055] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 287] <... umount2 resumed>) = 0 [pid 1055] close(3 [pid 287] umount2("./24/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1055] <... close resumed>) = 0 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1055] close(4 [pid 287] newfstatat(AT_FDCWD, "./24/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./24/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./24/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./24/file4") = 0 [pid 287] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./24/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./24") = 0 [pid 287] mkdir("./25", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1055] <... close resumed>) = 0 [pid 287] <... openat resumed>) = 3 [pid 1055] mkdir("./file4", 0777 [pid 287] ioctl(3, LOOP_CLR_FD [pid 1055] <... mkdir resumed>) = 0 [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1055] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] close(3) = 0 [ 77.267166][ T1060] F2FS-fs (loop2): fault_type options not supported [ 77.275997][ T1060] F2FS-fs (loop2): invalid crc value [ 77.288778][ T1060] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1072 ./strace-static-x86_64: Process 1072 attached [pid 1072] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1072] chdir("./25") = 0 [pid 1072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1072] setpgid(0, 0) = 0 [pid 1072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1072] write(3, "1000", 4) = 4 [pid 1072] close(3) = 0 [pid 1072] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1060] <... mount resumed>) = 0 [pid 1060] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1060] chdir("./file4") = 0 [pid 1060] openat(AT_FDCWD, "/dev/loop2", O_RDWRexecuting program ) = 4 [pid 1072] write(1, "executing program\n", 18) = 18 [pid 1072] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1060] ioctl(4, LOOP_CLR_FD) = 0 [pid 1060] close(4 [pid 1072] <... futex resumed>) = 0 [ 77.328569][ T1055] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 77.335598][ T1055] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 77.336058][ T1060] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 77.357719][ T1060] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 1072] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1060] <... close resumed>) = 0 [pid 1072] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1060] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 1059] <... futex resumed>) = 0 [pid 1059] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1059] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1072] <... mmap resumed>) = 0x7fb743ef6000 [pid 1060] <... futex resumed>) = 1 [pid 1060] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1072] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1072] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1075]}, 88) = 1075 [pid 1072] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1072] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1072] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1075 attached [pid 1075] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1075] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1075] memfd_create("syzkaller", 0) = 3 [pid 1075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1064] <... write resumed>) = 20699119 [pid 1064] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1064] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1064] ioctl(4, LOOP_SET_FD, 3 [pid 1060] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1064] <... ioctl resumed>) = 0 [pid 1064] close(3) = 0 [pid 1064] close(4) = 0 [pid 1060] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1059] <... futex resumed>) = 0 [pid 1059] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1059] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1064] mkdir("./file4", 0777 [pid 1060] <... futex resumed>) = 1 [pid 1060] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1064] <... mkdir resumed>) = 0 [pid 1060] <... symlink resumed>) = 0 [ 77.375878][ T1055] F2FS-fs (loop0): fault_injection options not supported [ 77.383298][ T1055] F2FS-fs (loop0): fault_type options not supported [ 77.390865][ T1055] F2FS-fs (loop0): invalid crc value [ 77.408846][ T1060] F2FS-fs (loop2): switch discard_unit option is not allowed [ 77.416132][ T1055] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1064] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1060] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1059] <... futex resumed>) = 0 [pid 1059] exit_group(0) = ? [pid 1060] <... futex resumed>) = ? [pid 1060] +++ exited with 0 +++ [pid 1059] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1059, si_uid=0, si_status=0, si_utime=11, si_stime=17} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./26/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1055] <... mount resumed>) = 0 [pid 1055] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1055] chdir("./file4") = 0 [pid 1055] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1055] ioctl(4, LOOP_CLR_FD) = 0 [pid 1055] close(4) = 0 [ 77.457860][ T1064] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 77.464591][ T1055] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 77.472212][ T1055] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 77.480203][ T1064] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 77.488656][ T1064] F2FS-fs (loop1): fault_injection options not supported [ 77.495775][ T1064] F2FS-fs (loop1): fault_type options not supported [pid 1055] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1054] <... futex resumed>) = 0 [pid 1055] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1054] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1054] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1055] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1055] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1054] <... futex resumed>) = 0 [pid 1054] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1054] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1055] <... futex resumed>) = 1 [pid 1055] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1055] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1054] <... futex resumed>) = 0 [pid 1054] exit_group(0) = ? [pid 1055] <... futex resumed>) = ? [pid 1055] +++ exited with 0 +++ [pid 1054] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1054, si_uid=0, si_status=0, si_utime=13, si_stime=17} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./25/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./26/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./26/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./26/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./26/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./26/file4") = 0 [pid 286] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./26/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./26") = 0 [pid 286] mkdir("./27", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 77.501434][ T1055] F2FS-fs (loop0): switch discard_unit option is not allowed [ 77.503766][ T1064] F2FS-fs (loop1): invalid crc value [ 77.529564][ T1064] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1081 ./strace-static-x86_64: Process 1081 attached [pid 1081] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1081] chdir("./27") = 0 [pid 1081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1081] setpgid(0, 0) = 0 [pid 1081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1081] write(3, "1000", 4) = 4 [pid 1081] close(3) = 0 [pid 1081] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1064] <... mount resumed>) = 0 [pid 1064] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1064] chdir("./file4") = 0 [pid 1064] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1064] ioctl(4, LOOP_CLR_FD) = 0 [pid 1064] close(4) = 0 [pid 1064] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1062] <... futex resumed>) = 0 [pid 1064] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1062] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1064] <... futex resumed>) = 0 [pid 1062] <... futex resumed>) = 1 [pid 1064] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1062] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1081] write(1, "executing program\n", 18 [pid 1064] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1064] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1062] <... futex resumed>) = 0 [pid 1064] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1062] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1062] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1064] <... futex resumed>) = 0 [pid 1064] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0"executing program [pid 1081] <... write resumed>) = 18 [pid 1081] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1081] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 1064] <... symlink resumed>) = 0 [pid 1064] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1062] <... futex resumed>) = 0 [pid 1064] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1062] exit_group(0 [pid 1064] <... futex resumed>) = ? [pid 1062] <... exit_group resumed>) = ? [pid 1081] <... rt_sigaction resumed>NULL, 8) = 0 [pid 1081] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 1064] +++ exited with 0 +++ [pid 1062] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1062, si_uid=0, si_status=0, si_utime=7, si_stime=18} --- [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 1081] <... mmap resumed>) = 0x7fb743ef6000 [pid 1081] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1081] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1082]}, 88) = 1082 [pid 1081] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1081] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1081] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 284] <... restart_syscall resumed>) = 0 [pid 284] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./24/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1082 attached [pid 1082] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1082] memfd_create("syzkaller", 0) = 3 [pid 1082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 77.576031][ T1064] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 77.583119][ T1064] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 77.610532][ T1064] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 1075] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./26/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./26/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./26/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./26/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./26/file4") = 0 [pid 285] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./26/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./26") = 0 [pid 285] mkdir("./27", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1083 ./strace-static-x86_64: Process 1083 attached [pid 1083] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1083] chdir("./27") = 0 [pid 1083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1083] setpgid(0, 0) = 0 [pid 1083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1083] write(3, "1000", 4) = 4 [pid 1083] close(3) = 0 [pid 1083] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1083] write(1, "executing program\n", 18) = 18 [pid 1083] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1083] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1083] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1083] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1083] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1084]}, 88) = 1084 [pid 1083] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1083] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1083] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 283] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 1084 attached [pid 1084] set_robust_list(0x7fb743f169a0, 24 [pid 283] umount2("./25/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1084] <... set_robust_list resumed>) = 0 [pid 1084] rt_sigprocmask(SIG_SETMASK, [], [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1084] memfd_create("syzkaller", 0 [pid 283] newfstatat(AT_FDCWD, "./25/file4", [pid 1084] <... memfd_create resumed>) = 3 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 283] umount2("./25/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./25/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./25/file4") = 0 [pid 283] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./25/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./25") = 0 [pid 283] mkdir("./26", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1085 ./strace-static-x86_64: Process 1085 attached [pid 1085] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1085] chdir("./26") = 0 [pid 1085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1085] setpgid(0, 0) = 0 [pid 1085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1085] write(3, "1000", 4) = 4 [pid 1085] close(3) = 0 [pid 1085] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1085] write(1, "executing program\n", 18executing program ) = 18 [pid 1085] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1085] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1085] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1085] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1086]}, 88) = 1086 [pid 1085] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1085] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1085] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1086 attached [pid 1075] <... write resumed>) = 20699119 [pid 1086] set_robust_list(0x7fb743f169a0, 24 [pid 1075] munmap(0x7fb73baf6000, 138412032 [pid 1086] <... set_robust_list resumed>) = 0 [pid 1086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1086] memfd_create("syzkaller", 0) = 3 [pid 1086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./24/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./24/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./24/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./24/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1075] <... munmap resumed>) = 0 [pid 284] <... openat resumed>) = 4 [pid 1082] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./24/file4") = 0 [pid 284] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./24/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./24") = 0 [pid 284] mkdir("./25", 0777 [pid 1075] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 284] <... mkdir resumed>) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3 [pid 1075] <... openat resumed>) = 4 [pid 1075] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1075] close(3) = 0 [pid 1075] close(4 [pid 284] <... close resumed>) = 0 [pid 1075] <... close resumed>) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1075] mkdir("./file4", 0777) = 0 [pid 1075] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 284] <... clone resumed>, child_tidptr=0x55557d22a690) = 1088 ./strace-static-x86_64: Process 1088 attached [pid 1088] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1088] chdir("./25") = 0 [pid 1088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1088] setpgid(0, 0) = 0 [pid 1088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1088] write(3, "1000", 4) = 4 [pid 1088] close(3) = 0 [pid 1088] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1088] write(1, "executing program\n", 18) = 18 [pid 1088] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1088] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1088] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1088] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1088] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1089]}, 88) = 1089 [pid 1088] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1088] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1088] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1089 attached [pid 1089] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1089] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1089] memfd_create("syzkaller", 0) = 3 [ 77.920948][ T1075] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 77.935885][ T1075] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 1089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 77.976001][ T1075] F2FS-fs (loop4): fault_injection options not supported [ 78.006492][ T1075] F2FS-fs (loop4): fault_type options not supported [ 78.025786][ T1075] F2FS-fs (loop4): invalid crc value [pid 1084] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 1084] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1084] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1084] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1084] close(3) = 0 [pid 1084] close(4) = 0 [pid 1084] mkdir("./file4", 0777) = 0 [ 78.063012][ T1075] F2FS-fs (loop4): Found nat_bits in checkpoint [ 78.089022][ T1084] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 78.096614][ T1084] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 78.104908][ T1084] F2FS-fs (loop2): fault_injection options not supported [pid 1084] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1082] <... write resumed>) = 20699119 [ 78.112596][ T1084] F2FS-fs (loop2): fault_type options not supported [ 78.120517][ T1084] F2FS-fs (loop2): invalid crc value [ 78.152867][ T1075] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [pid 1082] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1082] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1082] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1082] close(3) = 0 [pid 1082] close(4) = 0 [pid 1082] mkdir("./file4", 0777) = 0 [pid 1082] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1075] <... mount resumed>) = 0 [pid 1075] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1075] chdir("./file4") = 0 [pid 1075] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1075] ioctl(4, LOOP_CLR_FD) = 0 [pid 1075] close(4) = 0 [pid 1075] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1072] <... futex resumed>) = 0 [pid 1072] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1072] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1075] <... futex resumed>) = 1 [ 78.161246][ T1084] F2FS-fs (loop2): Found nat_bits in checkpoint [ 78.175788][ T1075] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 78.185300][ T1082] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 78.195788][ T1082] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 78.204026][ T1082] F2FS-fs (loop3): fault_injection options not supported [pid 1075] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1075] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1072] <... futex resumed>) = 0 [pid 1075] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1072] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1075] <... futex resumed>) = 0 [pid 1072] <... futex resumed>) = 1 [pid 1075] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1072] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1075] <... symlink resumed>) = 0 [pid 1075] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1072] <... futex resumed>) = 0 [pid 1075] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1072] exit_group(0) = ? [pid 1075] <... futex resumed>) = ? [pid 1075] +++ exited with 0 +++ [pid 1072] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1072, si_uid=0, si_status=0, si_utime=11, si_stime=12} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 78.211286][ T1075] F2FS-fs (loop4): switch discard_unit option is not allowed [ 78.215188][ T1082] F2FS-fs (loop3): fault_type options not supported [ 78.227002][ T1082] F2FS-fs (loop3): invalid crc value [pid 287] umount2("./25/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 78.261754][ T1082] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 1089] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 1089] munmap(0x7fb73baf6000, 138412032 [pid 1086] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1089] <... munmap resumed>) = 0 [pid 1089] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1084] <... mount resumed>) = 0 [pid 1084] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1084] chdir("./file4") = 0 [pid 1084] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1082] <... mount resumed>) = 0 [pid 1082] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1082] chdir("./file4") = 0 [pid 1082] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1089] <... openat resumed>) = 4 [pid 1084] <... openat resumed>) = 4 [pid 1089] ioctl(4, LOOP_SET_FD, 3 [pid 1084] ioctl(4, LOOP_CLR_FD [pid 1089] <... ioctl resumed>) = 0 [pid 1084] <... ioctl resumed>) = 0 [pid 1082] <... openat resumed>) = 4 [pid 1089] close(3 [pid 1084] close(4 [pid 1082] ioctl(4, LOOP_CLR_FD [pid 1089] <... close resumed>) = 0 [pid 1084] <... close resumed>) = 0 [pid 1082] <... ioctl resumed>) = 0 [pid 1089] close(4 [pid 1084] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1082] close(4 [pid 1084] <... futex resumed>) = 1 [pid 1083] <... futex resumed>) = 0 [pid 1084] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1083] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1083] <... futex resumed>) = 0 [pid 1084] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 78.340503][ T1084] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 78.349195][ T1084] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 78.371638][ T1082] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 78.378841][ T1082] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 1083] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1084] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1086] <... write resumed>) = 20699119 [pid 1084] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1086] munmap(0x7fb73baf6000, 138412032 [pid 1083] <... futex resumed>) = 0 [pid 1084] <... futex resumed>) = 1 [pid 1083] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1084] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1083] <... futex resumed>) = 0 [pid 1083] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1084] <... symlink resumed>) = 0 [pid 1086] <... munmap resumed>) = 0 [pid 1086] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1084] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1083] <... futex resumed>) = 0 [pid 1083] exit_group(0) = ? [pid 1084] +++ exited with 0 +++ [pid 1083] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1083, si_uid=0, si_status=0, si_utime=9, si_stime=16} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./27/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./25/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./25/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./25/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./25/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./25/file4") = 0 [pid 287] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./25/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./25") = 0 [pid 287] mkdir("./26", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1089] <... close resumed>) = 0 [pid 1086] <... openat resumed>) = 4 [pid 1082] <... close resumed>) = 0 [pid 1089] mkdir("./file4", 0777 [pid 1086] ioctl(4, LOOP_SET_FD, 3 [pid 1089] <... mkdir resumed>) = 0 [pid 1089] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1082] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1081] <... futex resumed>) = 0 [pid 1082] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1081] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1081] <... futex resumed>) = 0 [pid 1082] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 78.416880][ T1084] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 1081] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1086] <... ioctl resumed>) = 0 [pid 1082] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1086] close(3) = 0 [pid 1086] close(4 [pid 1082] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... openat resumed>) = 3 [pid 287] ioctl(3, LOOP_CLR_FD [pid 1081] <... futex resumed>) = 0 [pid 1081] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1081] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1082] <... futex resumed>) = 1 [pid 1082] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1082] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1081] <... futex resumed>) = 0 [pid 1081] exit_group(0) = ? [pid 1082] <... futex resumed>) = ? [pid 1082] +++ exited with 0 +++ [pid 1081] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1081, si_uid=0, si_status=0, si_utime=10, si_stime=21} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 78.468787][ T1082] F2FS-fs (loop3): switch discard_unit option is not allowed [ 78.479831][ T1089] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 78.487347][ T1089] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 78.495956][ T1089] F2FS-fs (loop1): fault_injection options not supported [ 78.503401][ T1089] F2FS-fs (loop1): fault_type options not supported [ 78.511026][ T1089] F2FS-fs (loop1): invalid crc value [pid 286] umount2("./27/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1086] <... close resumed>) = 0 [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1086] mkdir("./file4", 0777) = 0 [pid 1086] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 78.517412][ T1089] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 287] close(3 [pid 1089] <... mount resumed>) = 0 [pid 1089] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1089] chdir("./file4") = 0 [pid 1089] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./27/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./27/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./27/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./27/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./27/file4") = 0 [pid 285] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./27/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./27") = 0 [pid 285] mkdir("./28", 0777) = 0 [ 78.551638][ T1089] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 78.558821][ T1089] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWRexecuting program [pid 287] <... close resumed>) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 285] <... openat resumed>) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1106 ./strace-static-x86_64: Process 1106 attached [pid 1106] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1106] chdir("./28") = 0 [pid 1106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1106] setpgid(0, 0) = 0 [pid 1106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1106] write(3, "1000", 4) = 4 [pid 1106] close(3) = 0 [pid 1106] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1106] write(1, "executing program\n", 18) = 18 [pid 1106] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1106] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1106] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1106] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1106] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1106] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1107]}, 88) = 1107 [pid 1106] rt_sigprocmask(SIG_SETMASK, [], [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 1108 [pid 1106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1106] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1106] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1108 attached [pid 1108] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1108] chdir("./26") = 0 [pid 1108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1108] setpgid(0, 0) = 0 [pid 1108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1108] write(3, "1000", 4) = 4 [pid 1108] close(3) = 0 [pid 1108] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1108] write(1, "executing program\n", 18) = 18 [pid 1108] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1108] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1108] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1108] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1108] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1109]}, 88) = 1109 [pid 1108] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1108] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1108] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1109 attached [pid 1109] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1109] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1109] memfd_create("syzkaller", 0) = 3 [pid 1109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1089] <... openat resumed>) = 4 [pid 1089] ioctl(4, LOOP_CLR_FD) = 0 [pid 1089] close(4) = 0 [pid 1089] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1088] <... futex resumed>) = 0 [pid 1089] <... futex resumed>) = 1 [pid 1088] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1088] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 78.632160][ T1086] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 78.663910][ T1089] F2FS-fs (loop1): switch discard_unit option is not allowed [ 78.673825][ T1086] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [pid 1089] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL./strace-static-x86_64: Process 1107 attached [pid 1088] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 1107] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1088] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 1107] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1088] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 1088] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1107] memfd_create("syzkaller", 0 [pid 1088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 1107] <... memfd_create resumed>) = 3 [pid 1088] <... mmap resumed>) = 0x7fb743ed5000 [pid 1107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1088] mprotect(0x7fb743ed6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1088] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743ef5990, parent_tid=0x7fb743ef5990, exit_signal=0, stack=0x7fb743ed5000, stack_size=0x20300, tls=0x7fb743ef56c0} => {parent_tid=[1110]}, 88) = 1110 [pid 1088] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1088] futex(0x7fb743fe76b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1088] futex(0x7fb743fe76bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1089] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 1110 attached [pid 1110] set_robust_list(0x7fb743ef59a0, 24) = 0 [pid 1110] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1110] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1110] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 1088] <... futex resumed>) = 0 [pid 1110] <... futex resumed>) = 1 [pid 1110] futex(0x7fb743fe76b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1089] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1089] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1088] exit_group(0) = ? [pid 1110] <... futex resumed>) = ? [pid 1110] +++ exited with 0 +++ [pid 1089] <... futex resumed>) = ? [pid 1089] +++ exited with 0 +++ [pid 1088] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1088, si_uid=0, si_status=0, si_utime=8, si_stime=17} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 78.734134][ T1086] F2FS-fs (loop0): fault_injection options not supported [ 78.742956][ T1086] F2FS-fs (loop0): fault_type options not supported [ 78.763262][ T1086] F2FS-fs (loop0): invalid crc value [pid 284] umount2("./25/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1109] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 286] <... umount2 resumed>) = 0 [ 78.780102][ T1086] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 286] umount2("./27/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./27/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./27/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./27/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./27/file4") = 0 [pid 286] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./27/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./27") = 0 [pid 286] mkdir("./28", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 1086] <... mount resumed>) = 0 [pid 1086] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1086] chdir("./file4" [pid 286] close(3 [pid 1086] <... chdir resumed>) = 0 [pid 1086] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 286] <... close resumed>) = 0 [pid 1086] <... openat resumed>) = 4 [pid 1086] ioctl(4, LOOP_CLR_FD) = 0 [pid 1086] close(4) = 0 [pid 1086] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1086] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1085] <... futex resumed>) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1085] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1086] <... futex resumed>) = 0 [pid 1086] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1085] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 1114 [pid 1086] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 1114 attached [pid 1086] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1086] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1085] <... futex resumed>) = 0 [pid 1114] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1085] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1114] chdir("./28" [pid 1085] <... futex resumed>) = 1 [pid 1086] <... futex resumed>) = 0 [pid 1086] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1114] <... chdir resumed>) = 0 [pid 1085] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1114] setpgid(0, 0) = 0 [pid 1114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 78.866001][ T1086] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 78.873431][ T1086] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 78.902667][ T1086] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 1114] write(3, "1000", 4) = 4 [pid 1114] close(3) = 0 [pid 1114] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1114] write(1, "executing program\n", 18executing program ) = 18 [pid 1114] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1114] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1114] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1114] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1115]}, 88) = 1115 [pid 1114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1114] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1114] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1115 attached [pid 1115] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1115] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1115] memfd_create("syzkaller", 0) = 3 [pid 1115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1086] <... symlink resumed>) = 0 [pid 1086] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1086] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1085] <... futex resumed>) = 0 [pid 1085] exit_group(0) = ? [pid 1086] <... futex resumed>) = ? [pid 1086] +++ exited with 0 +++ [pid 1085] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1085, si_uid=0, si_status=0, si_utime=9, si_stime=22} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 1109] <... write resumed>) = 20699119 [pid 1109] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1109] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1109] ioctl(4, LOOP_SET_FD, 3 [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 78.918996][ T1086] handle_bad_sector: 36 callbacks suppressed [ 78.919009][ T1086] attempt to access beyond end of device [ 78.919009][ T1086] loop0: rw=2049, want=53256, limit=40427 [pid 283] umount2("./26/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1107] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1109] <... ioctl resumed>) = 0 [pid 1109] close(3) = 0 [pid 1109] close(4 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./25/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./25/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./25/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./25/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4 [pid 1109] <... close resumed>) = 0 [pid 1109] mkdir("./file4", 0777) = 0 [pid 284] <... close resumed>) = 0 [pid 1109] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 78.970567][ T283] attempt to access beyond end of device [ 78.970567][ T283] loop0: rw=2049, want=45104, limit=40427 [pid 284] rmdir("./25/file4") = 0 [pid 284] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./25/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./25") = 0 [pid 284] mkdir("./26", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD [pid 1115] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 1117 attached [pid 1117] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1117] chdir("./26") = 0 [pid 1117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1117] setpgid(0, 0) = 0 [pid 1117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1117] write(3, "1000", 4) = 4 [pid 1117] close(3) = 0 [pid 1117] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1117] write(1, "executing program\n", 18) = 18 [pid 1117] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1117] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1117] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1117] rt_sigprocmask(SIG_BLOCK, ~[], [pid 284] <... clone resumed>, child_tidptr=0x55557d22a690) = 1117 [pid 1117] <... rt_sigprocmask resumed>[], 8) = 0 [pid 1117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 1107] <... write resumed>) = 20699119 [pid 1117] <... clone3 resumed> => {parent_tid=[1118]}, 88) = 1118 [pid 1117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 1118 attached [pid 1117] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1117] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1118] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1118] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1118] memfd_create("syzkaller", 0) = 3 [pid 1118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1115] <... write resumed>) = 20699119 [pid 1115] munmap(0x7fb73baf6000, 138412032 [pid 1107] munmap(0x7fb73baf6000, 138412032 [pid 1115] <... munmap resumed>) = 0 [pid 1115] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 79.124132][ T1109] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 79.142955][ T1109] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 1115] ioctl(4, LOOP_SET_FD, 3 [pid 1107] <... munmap resumed>) = 0 [pid 1107] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1115] <... ioctl resumed>) = 0 [pid 1115] close(3) = 0 [pid 1115] close(4) = 0 [pid 1115] mkdir("./file4", 0777) = 0 [ 79.173431][ T1109] F2FS-fs (loop4): fault_injection options not supported [ 79.181805][ T1109] F2FS-fs (loop4): fault_type options not supported [ 79.189780][ T1109] F2FS-fs (loop4): invalid crc value [pid 1115] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1107] <... openat resumed>) = 4 [pid 1107] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1107] close(3) = 0 [pid 1107] close(4) = 0 [pid 1107] mkdir("./file4", 0777) = 0 [pid 1107] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./26/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./26/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./26/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./26/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./26/file4") = 0 [pid 283] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./26/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./26") = 0 [pid 283] mkdir("./27", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1123 [ 79.216809][ T1115] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 79.225584][ T1109] F2FS-fs (loop4): Found nat_bits in checkpoint [ 79.232354][ T1115] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 79.243349][ T1107] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) ./strace-static-x86_64: Process 1123 attached [pid 1123] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1123] chdir("./27") = 0 [pid 1123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1123] setpgid(0, 0) = 0 [pid 1123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1123] write(3, "1000", 4) = 4 [pid 1123] close(3) = 0 [pid 1123] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1123] write(1, "executing program\n", 18executing program ) = 18 [pid 1123] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1123] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1123] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1123] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1124]}, 88) = 1124 [pid 1123] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1123] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1123] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1124 attached [pid 1124] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1124] memfd_create("syzkaller", 0) = 3 [pid 1124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 79.261612][ T1115] F2FS-fs (loop3): fault_injection options not supported [ 79.274304][ T1107] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 79.300883][ T1115] F2FS-fs (loop3): fault_type options not supported [ 79.305858][ T1107] F2FS-fs (loop2): fault_injection options not supported [pid 1109] <... mount resumed>) = 0 [pid 1109] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1109] chdir("./file4") = 0 [pid 1109] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1109] ioctl(4, LOOP_CLR_FD) = 0 [pid 1109] close(4) = 0 [pid 1109] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1108] <... futex resumed>) = 0 [pid 1108] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1108] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1109] <... futex resumed>) = 1 [ 79.316723][ T1115] F2FS-fs (loop3): invalid crc value [ 79.325675][ T1109] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 79.335505][ T1109] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 79.344220][ T1115] F2FS-fs (loop3): Found nat_bits in checkpoint [ 79.353650][ T1107] F2FS-fs (loop2): fault_type options not supported [pid 1109] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1109] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1108] <... futex resumed>) = 0 [pid 1108] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1108] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1109] <... futex resumed>) = 1 [pid 1109] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1109] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1108] <... futex resumed>) = 0 [pid 1108] exit_group(0) = ? [pid 1109] <... futex resumed>) = ? [pid 1109] +++ exited with 0 +++ [pid 1108] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1108, si_uid=0, si_status=0, si_utime=7, si_stime=23} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 79.364509][ T1109] F2FS-fs (loop4): switch discard_unit option is not allowed [ 79.384185][ T1109] attempt to access beyond end of device [ 79.384185][ T1109] loop4: rw=2049, want=53256, limit=40427 [ 79.393892][ T1107] F2FS-fs (loop2): invalid crc value [ 79.414139][ T287] attempt to access beyond end of device [ 79.414139][ T287] loop4: rw=2049, want=45104, limit=40427 [ 79.436751][ T1107] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 287] umount2("./26/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1115] <... mount resumed>) = 0 [pid 1115] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1115] chdir("./file4") = 0 [pid 1115] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1115] ioctl(4, LOOP_CLR_FD) = 0 [pid 1115] close(4 [pid 1107] <... mount resumed>) = 0 [pid 1115] <... close resumed>) = 0 [pid 1118] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1115] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1114] <... futex resumed>) = 0 [pid 1115] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1114] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1114] <... futex resumed>) = 0 [pid 1114] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 79.472295][ T1115] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 79.482391][ T1115] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 79.497917][ T1107] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 79.505328][ T1107] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 1115] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1107] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1107] chdir("./file4") = 0 [pid 1107] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1115] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1115] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1115] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1114] <... futex resumed>) = 0 [pid 1114] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1115] <... futex resumed>) = 0 [pid 1114] <... futex resumed>) = 1 [pid 1115] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1114] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1124] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1115] <... symlink resumed>) = 0 [pid 1115] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1115] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1114] <... futex resumed>) = 0 [pid 1114] exit_group(0 [pid 1115] <... futex resumed>) = ? [pid 1114] <... exit_group resumed>) = ? [pid 1107] <... openat resumed>) = 4 [pid 1115] +++ exited with 0 +++ [pid 1114] +++ exited with 0 +++ [pid 1107] ioctl(4, LOOP_CLR_FD) = 0 [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1114, si_uid=0, si_status=0, si_utime=7, si_stime=19} --- [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 1107] close(4) = 0 [pid 1107] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1106] <... futex resumed>) = 0 [pid 1107] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1106] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 79.525003][ T1115] F2FS-fs (loop3): switch discard_unit option is not allowed [ 79.545362][ T1115] attempt to access beyond end of device [ 79.545362][ T1115] loop3: rw=2049, want=53256, limit=40427 [pid 1106] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1107] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 286] <... restart_syscall resumed>) = 0 [pid 286] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./28/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1107] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1107] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1106] <... futex resumed>) = 0 [pid 1107] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1106] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1106] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1107] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1107] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1106] <... futex resumed>) = 0 [pid 1107] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1106] exit_group(0 [pid 1107] <... futex resumed>) = ? [pid 1106] <... exit_group resumed>) = ? [pid 1107] +++ exited with 0 +++ [pid 1106] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1106, si_uid=0, si_status=0, si_utime=11, si_stime=17} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 79.586694][ T1107] F2FS-fs (loop2): switch discard_unit option is not allowed [ 79.596508][ T286] attempt to access beyond end of device [ 79.596508][ T286] loop3: rw=2049, want=45104, limit=40427 [ 79.620414][ T1107] attempt to access beyond end of device [ 79.620414][ T1107] loop2: rw=2049, want=53256, limit=40427 [pid 285] umount2("./28/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1118] <... write resumed>) = 20699119 [pid 1118] munmap(0x7fb73baf6000, 138412032 [pid 1124] <... write resumed>) = 20699119 [pid 1124] munmap(0x7fb73baf6000, 138412032 [pid 1118] <... munmap resumed>) = 0 [pid 1118] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1124] <... munmap resumed>) = 0 [pid 1124] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./26/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./26/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./26/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./26/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./26/file4") = 0 [pid 287] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./26/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./26") = 0 [pid 287] mkdir("./27", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1118] <... openat resumed>) = 4 [pid 1118] ioctl(4, LOOP_SET_FD, 3 [pid 1124] <... openat resumed>) = 4 [pid 1118] <... ioctl resumed>) = 0 [pid 1124] ioctl(4, LOOP_SET_FD, 3 [pid 1118] close(3) = 0 [ 79.661262][ T285] attempt to access beyond end of device [ 79.661262][ T285] loop2: rw=2049, want=45104, limit=40427 [pid 1118] close(4 [pid 1124] <... ioctl resumed>) = 0 [pid 287] <... openat resumed>) = 3 [pid 1124] close(3 [pid 287] ioctl(3, LOOP_CLR_FD [pid 1124] <... close resumed>) = 0 [pid 1124] close(4 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./28/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./28/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./28/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./28/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./28/file4") = 0 [pid 286] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./28/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./28") = 0 [pid 286] mkdir("./29", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1124] <... close resumed>) = 0 [pid 1118] <... close resumed>) = 0 [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1124] mkdir("./file4", 0777 [pid 1118] mkdir("./file4", 0777 [pid 1124] <... mkdir resumed>) = 0 [pid 287] close(3 [pid 1124] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1118] <... mkdir resumed>) = 0 [pid 287] <... close resumed>) = 0 [pid 1118] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1134 attached [pid 1134] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1134] chdir("./27") = 0 [pid 1134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1134] setpgid(0, 0) = 0 [pid 1134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1134] write(3, "1000", 4) = 4 [pid 1134] close(3) = 0 [pid 1134] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1134] write(1, "executing program\n", 18executing program ) = 18 [pid 1134] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1134] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1134] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 1134 [pid 1134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1134] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1134] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1135]}, 88) = 1135 [pid 1134] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1134] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 79.801168][ T1124] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 79.808747][ T1124] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 79.809463][ T1118] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 79.831109][ T1124] F2FS-fs (loop0): fault_injection options not supported [ 79.831909][ T1118] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [pid 1134] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 286] <... openat resumed>) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1138 ./strace-static-x86_64: Process 1138 attached [pid 1138] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1138] chdir("./29"./strace-static-x86_64: Process 1135 attached [pid 1135] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1135] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1138] <... chdir resumed>) = 0 [pid 1138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1138] setpgid(0, 0) = 0 [pid 1138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1135] memfd_create("syzkaller", 0) = 3 [pid 1138] <... openat resumed>) = 3 [pid 1135] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1138] write(3, "1000", 4) = 4 executing program [pid 1138] close(3) = 0 [pid 1138] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1138] write(1, "executing program\n", 18) = 18 [pid 1138] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1138] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1138] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1138] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1138] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1138] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1139]}, 88) = 1139 [pid 1138] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1138] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1138] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1139 attached [pid 1139] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1139] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1139] memfd_create("syzkaller", 0) = 3 [pid 1139] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 79.838437][ T1124] F2FS-fs (loop0): fault_type options not supported [ 79.859903][ T1124] F2FS-fs (loop0): invalid crc value [ 79.866828][ T1124] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 285] <... umount2 resumed>) = 0 [ 79.905837][ T1118] F2FS-fs (loop1): fault_injection options not supported [ 79.934341][ T1118] F2FS-fs (loop1): fault_type options not supported [ 79.937265][ T1124] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [pid 1124] <... mount resumed>) = 0 [pid 1124] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 285] umount2("./28/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./28/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./28/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./28/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./28/file4" [pid 1124] chdir("./file4") = 0 [pid 285] <... rmdir resumed>) = 0 [pid 285] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./28/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./28" [pid 1124] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 285] <... rmdir resumed>) = 0 [pid 1124] <... openat resumed>) = 4 [pid 285] mkdir("./29", 0777 [pid 1124] ioctl(4, LOOP_CLR_FD) = 0 [pid 1124] close(4) = 0 [pid 1124] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1123] <... futex resumed>) = 0 [pid 1123] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1123] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1124] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 285] <... mkdir resumed>) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1141 ./strace-static-x86_64: Process 1141 attached [pid 1141] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1141] chdir("./29") = 0 [pid 1141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1141] setpgid(0, 0) = 0 [pid 1141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1141] write(3, "1000", 4) = 4 [pid 1141] close(3) = 0 [pid 1141] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1141] write(1, "executing program\n", 18executing program ) = 18 [pid 1141] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1141] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1141] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1141] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1141] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1142]}, 88) = 1142 [pid 1141] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1141] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1141] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1142 attached [pid 1142] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1142] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1142] memfd_create("syzkaller", 0) = 3 [pid 1142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1124] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1124] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1123] <... futex resumed>) = 0 [pid 1123] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1123] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 79.955761][ T1124] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 79.956672][ T1118] F2FS-fs (loop1): invalid crc value [ 79.980834][ T1124] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 1124] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1124] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1123] <... futex resumed>) = 0 [pid 1123] exit_group(0) = ? [pid 1124] +++ exited with 0 +++ [pid 1123] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1123, si_uid=0, si_status=0, si_utime=11, si_stime=19} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 80.003426][ T1124] attempt to access beyond end of device [ 80.003426][ T1124] loop0: rw=2049, want=53256, limit=40427 [ 80.037526][ T1118] F2FS-fs (loop1): Found nat_bits in checkpoint [ 80.045488][ T283] attempt to access beyond end of device [ 80.045488][ T283] loop0: rw=2049, want=45104, limit=40427 [pid 283] umount2("./27/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1139] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1118] <... mount resumed>) = 0 [pid 1118] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1118] chdir("./file4") = 0 [pid 1118] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1135] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1118] <... openat resumed>) = 4 [pid 1118] ioctl(4, LOOP_CLR_FD) = 0 [ 80.146089][ T1118] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 80.153202][ T1118] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 1118] close(4) = 0 [pid 1118] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1117] <... futex resumed>) = 0 [pid 1117] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1117] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1118] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1139] <... write resumed>) = 20699119 [pid 1118] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1118] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1139] munmap(0x7fb73baf6000, 138412032 [pid 1118] <... futex resumed>) = 1 [pid 1117] <... futex resumed>) = 0 [pid 1117] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1117] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1118] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1118] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1117] <... futex resumed>) = 0 [pid 1117] exit_group(0) = ? [pid 1118] +++ exited with 0 +++ [pid 1117] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1117, si_uid=0, si_status=0, si_utime=7, si_stime=20} --- [pid 1139] <... munmap resumed>) = 0 [pid 1139] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1139] ioctl(4, LOOP_SET_FD, 3 [pid 284] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./26/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1139] <... ioctl resumed>) = 0 [pid 1139] close(3) = 0 [pid 1139] close(4) = 0 [pid 1139] mkdir("./file4", 0777) = 0 [ 80.208892][ T1118] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 1139] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 80.259868][ T1139] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 80.267095][ T1139] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 80.275389][ T1139] F2FS-fs (loop3): fault_injection options not supported [ 80.282885][ T1139] F2FS-fs (loop3): fault_type options not supported [ 80.290800][ T1139] F2FS-fs (loop3): invalid crc value [pid 1142] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./27/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./27/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./27/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./27/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./27/file4") = 0 [pid 283] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./27/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./27") = 0 [pid 283] mkdir("./28", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1149 ./strace-static-x86_64: Process 1149 attached [pid 1149] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1149] chdir("./28") = 0 [pid 1149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1149] setpgid(0, 0) = 0 [pid 1149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1149] write(3, "1000", 4) = 4 [pid 1149] close(3) = 0 [pid 1149] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1149] write(1, "executing program\n", 18executing program ) = 18 [pid 1149] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1149] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1149] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1149] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1150]}, 88) = 1150 [pid 1149] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1149] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1149] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1150 attached [pid 1150] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1150] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1150] memfd_create("syzkaller", 0) = 3 [pid 1150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 80.336853][ T1139] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 1135] <... write resumed>) = 20699119 [pid 1135] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1135] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1139] <... mount resumed>) = 0 [pid 1139] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1135] <... openat resumed>) = 4 [pid 1135] ioctl(4, LOOP_SET_FD, 3 [pid 1139] <... openat resumed>) = 3 [pid 1139] chdir("./file4") = 0 [pid 1139] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1135] <... ioctl resumed>) = 0 [pid 1139] ioctl(4, LOOP_CLR_FD) = 0 [pid 1139] close(4 [pid 1135] close(3 [pid 1139] <... close resumed>) = 0 [pid 1135] <... close resumed>) = 0 [pid 1135] close(4) = 0 [pid 1135] mkdir("./file4", 0777) = 0 [ 80.406020][ T1139] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 80.413349][ T1139] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 1135] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1139] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1138] <... futex resumed>) = 0 [pid 1139] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1138] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1138] <... futex resumed>) = 0 [pid 1139] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1138] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1139] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1139] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1138] <... futex resumed>) = 0 [pid 1138] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1139] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1138] <... futex resumed>) = 0 [pid 1138] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1139] <... symlink resumed>) = 0 [pid 1139] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1138] <... futex resumed>) = 0 [pid 1139] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1138] exit_group(0 [pid 1139] <... futex resumed>) = ? [pid 1138] <... exit_group resumed>) = ? [pid 1139] +++ exited with 0 +++ [pid 1138] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1138, si_uid=0, si_status=0, si_utime=10, si_stime=20} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./29/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1142] <... write resumed>) = 20699119 [pid 1142] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1142] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1142] ioctl(4, LOOP_SET_FD, 3) = 0 [ 80.451144][ T1135] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 80.458797][ T1139] F2FS-fs (loop3): switch discard_unit option is not allowed [ 80.474241][ T1135] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 1142] close(3) = 0 [pid 1142] close(4) = 0 [pid 1142] mkdir("./file4", 0777) = 0 [pid 1142] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./26/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./26/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./26/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./26/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./26/file4") = 0 [pid 284] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./26/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./26") = 0 [pid 284] mkdir("./27", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1154 ./strace-static-x86_64: Process 1154 attached [pid 1154] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1154] chdir("./27") = 0 [pid 1154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1154] setpgid(0, 0) = 0 [pid 1154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1154] write(3, "1000", 4) = 4 [pid 1154] close(3) = 0 [pid 1154] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1154] write(1, "executing program\n", 18executing program ) = 18 [pid 1154] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1154] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1154] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1154] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1154] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1154] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1155]}, 88) = 1155 [pid 1154] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1154] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1154] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1155 attached [pid 1155] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1155] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1155] memfd_create("syzkaller", 0) = 3 [pid 1155] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 80.506778][ T1135] F2FS-fs (loop4): fault_injection options not supported [ 80.510427][ T1142] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 80.516990][ T1135] F2FS-fs (loop4): fault_type options not supported [ 80.576288][ T1142] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 80.584558][ T1142] F2FS-fs (loop2): fault_injection options not supported [ 80.596012][ T1135] F2FS-fs (loop4): invalid crc value [ 80.615982][ T1142] F2FS-fs (loop2): fault_type options not supported [ 80.623781][ T1135] F2FS-fs (loop4): Found nat_bits in checkpoint [ 80.630360][ T1142] F2FS-fs (loop2): invalid crc value [ 80.666556][ T1142] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 1155] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 1155] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1155] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1155] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1155] close(3) = 0 [pid 1155] close(4) = 0 [pid 1155] mkdir("./file4", 0777) = 0 [pid 1155] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./29/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./29/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./29/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./29/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./29/file4") = 0 [pid 286] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./29/binderfs") = 0 [pid 286] getdents64(3, [pid 1150] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 286] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./29") = 0 [ 80.760028][ T1155] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 80.767686][ T1155] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 80.791505][ T1155] F2FS-fs (loop1): fault_injection options not supported [ 80.795257][ T1135] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [pid 286] mkdir("./30", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 1142] <... mount resumed>) = 0 [pid 286] close(3 [pid 1142] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1135] <... mount resumed>) = 0 [pid 286] <... close resumed>) = 0 [pid 1142] <... openat resumed>) = 3 [pid 1135] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1142] chdir("./file4") = 0 [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 1165 [pid 1142] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1135] <... openat resumed>) = 3 [pid 1142] <... openat resumed>) = 4 [pid 1135] chdir("./file4" [pid 1142] ioctl(4, LOOP_CLR_FD [pid 1135] <... chdir resumed>) = 0 [pid 1142] <... ioctl resumed>) = 0 [pid 1135] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1142] close(4) = 0 [pid 1142] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1141] <... futex resumed>) = 0 [pid 1142] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 80.798730][ T1155] F2FS-fs (loop1): fault_type options not supported [ 80.813115][ T1142] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 80.814533][ T1155] F2FS-fs (loop1): invalid crc value [ 80.820721][ T1135] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 80.833741][ T1142] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 80.843156][ T1155] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 1141] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1141] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1135] <... openat resumed>) = 4 [pid 1135] ioctl(4, LOOP_CLR_FD) = 0 [pid 1142] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1135] close(4./strace-static-x86_64: Process 1165 attached ) = 0 [pid 1135] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1134] <... futex resumed>) = 0 [pid 1134] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1135] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1134] <... futex resumed>) = 0 [pid 1134] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1135] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1165] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1165] chdir("./30") = 0 [pid 1142] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1142] <... futex resumed>) = 1 [pid 1141] <... futex resumed>) = 0 [pid 1165] setpgid(0, 0 [pid 1142] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1141] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1165] <... setpgid resumed>) = 0 [pid 1141] <... futex resumed>) = 0 [pid 1142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1141] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1142] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1165] <... openat resumed>) = 3 [pid 1142] <... symlink resumed>) = 0 [pid 1165] write(3, "1000", 4) = 4 [pid 1142] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1135] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1165] close(3 [pid 1142] <... futex resumed>) = 1 [pid 1141] <... futex resumed>) = 0 [pid 1135] <... futex resumed>) = 1 [pid 1134] <... futex resumed>) = 0 [pid 1165] <... close resumed>) = 0 [pid 1142] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1141] exit_group(0 [pid 1135] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1134] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1165] symlink("/dev/binderfs", "./binderfs" [pid 1142] <... futex resumed>) = ? [pid 1141] <... exit_group resumed>) = ? [pid 1135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1134] <... futex resumed>) = 0 [pid 1165] <... symlink resumed>) = 0 [pid 1142] +++ exited with 0 +++ [ 80.856697][ T1142] F2FS-fs (loop2): switch discard_unit option is not allowed [ 80.877216][ T1135] F2FS-fs (loop4): switch discard_unit option is not allowed [ 80.896819][ T1155] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 executing program [pid 1141] +++ exited with 0 +++ [pid 1135] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1134] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1165] write(1, "executing program\n", 18 [pid 1135] <... symlink resumed>) = 0 [pid 1165] <... write resumed>) = 18 [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1141, si_uid=0, si_status=0, si_utime=8, si_stime=16} --- [pid 1165] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 1165] <... futex resumed>) = 0 [pid 1165] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1165] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 1135] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1165] <... mmap resumed>) = 0x7fb743ef6000 [pid 1135] <... futex resumed>) = 1 [pid 1134] <... futex resumed>) = 0 [pid 1165] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 1135] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1134] exit_group(0 [pid 1165] <... mprotect resumed>) = 0 [pid 1135] <... futex resumed>) = ? [pid 1134] <... exit_group resumed>) = ? [pid 1165] rt_sigprocmask(SIG_BLOCK, ~[], [pid 1135] +++ exited with 0 +++ [pid 1134] +++ exited with 0 +++ [pid 1165] <... rt_sigprocmask resumed>[], 8) = 0 [pid 1165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1134, si_uid=0, si_status=0, si_utime=7, si_stime=16} --- [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 1165] <... clone3 resumed> => {parent_tid=[1167]}, 88) = 1167 [pid 1165] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1165] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1165] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1167 attached [pid 1167] set_robust_list(0x7fb743f169a0, 24 [pid 1155] <... mount resumed>) = 0 [pid 1167] <... set_robust_list resumed>) = 0 [pid 1155] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1167] rt_sigprocmask(SIG_SETMASK, [], [pid 1155] <... openat resumed>) = 3 [pid 1167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1155] chdir("./file4" [pid 1167] memfd_create("syzkaller", 0 [pid 1155] <... chdir resumed>) = 0 [pid 1167] <... memfd_create resumed>) = 3 [pid 1155] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 287] <... restart_syscall resumed>) = 0 [pid 285] <... restart_syscall resumed>) = 0 [pid 287] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 285] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 287] <... openat resumed>) = 3 [pid 285] <... openat resumed>) = 3 [pid 287] newfstatat(3, "", [pid 285] newfstatat(3, "", [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, [pid 285] getdents64(3, [pid 287] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./27/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] umount2("./29/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1155] <... openat resumed>) = 4 [pid 1155] ioctl(4, LOOP_CLR_FD) = 0 [pid 1155] close(4) = 0 [ 80.905234][ T1155] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 1155] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1154] <... futex resumed>) = 0 [pid 1154] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1155] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1154] <... futex resumed>) = 0 [pid 1154] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1155] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1155] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1154] <... futex resumed>) = 0 [pid 1154] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1155] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1154] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1155] <... symlink resumed>) = 0 [pid 1155] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1154] <... futex resumed>) = 0 [pid 1154] exit_group(0) = ? [pid 1155] +++ exited with 0 +++ [pid 1154] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1154, si_uid=0, si_status=0, si_utime=8, si_stime=20} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./27/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1150] <... write resumed>) = 20699119 [ 80.953374][ T1155] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 1150] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1150] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./27/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./27/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./27/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./27/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./27/file4") = 0 [pid 287] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./27/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./27") = 0 [pid 287] mkdir("./28", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1150] <... openat resumed>) = 4 [pid 1150] ioctl(4, LOOP_SET_FD, 3 [pid 1167] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 1150] <... ioctl resumed>) = 0 [pid 1167] munmap(0x7fb73baf6000, 138412032 [pid 1150] close(3 [pid 1167] <... munmap resumed>) = 0 [pid 1150] <... close resumed>) = 0 [pid 287] <... openat resumed>) = 3 [pid 1167] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1150] close(4 [pid 1167] <... openat resumed>) = 4 [pid 1150] <... close resumed>) = 0 [pid 1167] ioctl(4, LOOP_SET_FD, 3 [pid 1150] mkdir("./file4", 0777) = 0 [pid 287] ioctl(3, LOOP_CLR_FD [pid 1150] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1167] <... ioctl resumed>) = 0 [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 1167] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1167] close(4) = 0 [pid 1167] mkdir("./file4", 0777 [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 1170 [pid 1167] <... mkdir resumed>) = 0 [pid 1167] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"..../strace-static-x86_64: Process 1170 attached [pid 1170] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1170] chdir("./28") = 0 [pid 1170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1170] setpgid(0, 0) = 0 [pid 1170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1170] write(3, "1000", 4) = 4 [pid 1170] close(3) = 0 [pid 1170] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1170] write(1, "executing program\n", 18executing program ) = 18 [pid 1170] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./29/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1170] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [ 81.154083][ T1150] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 81.164854][ T1167] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 81.174868][ T1150] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 81.184856][ T1167] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [pid 1170] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1170] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1170] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1171]}, 88) = 1171 [pid 1170] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1170] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1170] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1171 attached [pid 1171] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1171] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./29/file4", [pid 1171] memfd_create("syzkaller", 0) = 3 [pid 1171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./29/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./29/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./29/file4") = 0 [pid 285] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./29/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./29") = 0 [pid 285] mkdir("./30", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1172 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./27/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./27/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./27/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./27/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./27/file4") = 0 [pid 284] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./27/binderfs"./strace-static-x86_64: Process 1172 attached ) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./27" [pid 1172] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 284] <... rmdir resumed>) = 0 [pid 284] mkdir("./28", 0777 [pid 1172] chdir("./30") = 0 [pid 284] <... mkdir resumed>) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 1172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x55557d22a690) = 1174 ./strace-static-x86_64: Process 1174 attached [pid 1174] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1174] chdir("./28") = 0 [pid 1174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1174] setpgid(0, 0) = 0 [pid 1174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1174] write(3, "1000", 4) = 4 [pid 1174] close(3) = 0 [pid 1174] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1174] write(1, "executing program\n", 18) = 18 [pid 1174] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1174] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1174] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1174] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1174] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1174] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1175]}, 88) = 1175 [pid 1174] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1174] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1174] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1175 attached [pid 1175] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1175] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1175] memfd_create("syzkaller", 0) = 3 [pid 1175] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 81.211043][ T1167] F2FS-fs (loop3): fault_injection options not supported [ 81.218522][ T1167] F2FS-fs (loop3): fault_type options not supported [ 81.229656][ T1150] F2FS-fs (loop0): fault_injection options not supported [ 81.237302][ T1167] F2FS-fs (loop3): invalid crc value [pid 1172] <... prctl resumed>) = 0 [pid 1172] setpgid(0, 0) = 0 [pid 1172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1172] write(3, "1000", 4) = 4 [pid 1172] close(3) = 0 [pid 1172] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1172] write(1, "executing program\n", 18executing program ) = 18 [pid 1172] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1172] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1172] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1172] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1172] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1172] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1179]}, 88) = 1179 [pid 1172] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1172] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1172] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1179 attached [pid 1179] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1179] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1179] memfd_create("syzkaller", 0) = 3 [pid 1179] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 81.255794][ T1150] F2FS-fs (loop0): fault_type options not supported [ 81.264089][ T1150] F2FS-fs (loop0): invalid crc value [ 81.270812][ T1167] F2FS-fs (loop3): Found nat_bits in checkpoint [ 81.280950][ T1150] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1150] <... mount resumed>) = 0 [pid 1150] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1150] chdir("./file4") = 0 [pid 1150] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1150] ioctl(4, LOOP_CLR_FD) = 0 [pid 1150] close(4) = 0 [pid 1150] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1149] <... futex resumed>) = 0 [pid 1149] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1149] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1150] <... futex resumed>) = 1 [pid 1150] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1150] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1149] <... futex resumed>) = 0 [pid 1149] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1149] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1150] <... futex resumed>) = 1 [pid 1150] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1150] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1149] <... futex resumed>) = 0 [pid 1149] exit_group(0) = ? [pid 1150] <... futex resumed>) = ? [pid 1150] +++ exited with 0 +++ [pid 1149] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1149, si_uid=0, si_status=0, si_utime=12, si_stime=19} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1167] <... mount resumed>) = 0 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1167] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 283] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", [pid 1167] <... openat resumed>) = 3 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1167] chdir("./file4" [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 1167] <... chdir resumed>) = 0 [pid 283] umount2("./28/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1167] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1167] ioctl(4, LOOP_CLR_FD) = 0 [ 81.370187][ T1150] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 81.377534][ T1150] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 81.387947][ T1167] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 81.395002][ T1167] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 81.397268][ T1150] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 1167] close(4) = 0 [pid 1167] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1165] <... futex resumed>) = 0 [pid 1165] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1165] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1167] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1167] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1165] <... futex resumed>) = 0 [pid 1167] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1165] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1167] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1165] <... futex resumed>) = 0 [pid 1167] <... symlink resumed>) = 0 [pid 1165] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1167] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1165] <... futex resumed>) = 0 [pid 1165] exit_group(0 [pid 1167] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 (errno 18446744073709551414) [pid 1165] <... exit_group resumed>) = ? [pid 1167] +++ exited with 0 +++ [pid 1165] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1165, si_uid=0, si_status=0, si_utime=7, si_stime=15} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 81.453047][ T1167] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 286] umount2("./30/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1171] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1175] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1179] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1171] <... write resumed>) = 20699119 [pid 1171] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1171] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1171] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1171] close(3) = 0 [pid 1171] close(4 [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./28/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./28/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./28/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./28/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./28/file4") = 0 [pid 283] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./28/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./28") = 0 [pid 283] mkdir("./29", 0777 [pid 1175] <... write resumed>) = 20699119 [pid 1175] munmap(0x7fb73baf6000, 138412032 [pid 283] <... mkdir resumed>) = 0 [pid 1171] <... close resumed>) = 0 [pid 1171] mkdir("./file4", 0777 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1171] <... mkdir resumed>) = 0 [pid 1171] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1175] <... munmap resumed>) = 0 [pid 1175] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./30/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./30/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./30/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./30/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./30/file4") = 0 [pid 286] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./30/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./30") = 0 [pid 286] mkdir("./31", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1175] <... openat resumed>) = 4 [pid 286] <... openat resumed>) = 3 [pid 283] <... openat resumed>) = 3 [pid 1175] ioctl(4, LOOP_SET_FD, 3 [pid 286] ioctl(3, LOOP_CLR_FD [pid 283] ioctl(3, LOOP_CLR_FD [pid 1175] <... ioctl resumed>) = 0 [pid 286] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1175] close(3) = 0 [pid 1175] close(4 [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 1184 [pid 1179] <... write resumed>) = 20699119 [pid 1179] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1179] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 1184 attached [pid 1184] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1184] chdir("./31") = 0 [pid 1184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1184] setpgid(0, 0) = 0 [pid 1184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1184] write(3, "1000", 4) = 4 [pid 1184] close(3) = 0 [pid 1184] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1184] write(1, "executing program\n", 18) = 18 [pid 1184] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1184] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1184] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1184] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1184] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1184] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1185]}, 88) = 1185 [pid 1184] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1184] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1184] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1185 attached [pid 1185] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1185] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1185] memfd_create("syzkaller", 0) = 3 [pid 1185] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1175] <... close resumed>) = 0 [ 81.728115][ T1171] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 81.736163][ T1171] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 81.749384][ T1171] F2FS-fs (loop4): fault_injection options not supported [ 81.757288][ T1171] F2FS-fs (loop4): fault_type options not supported [ 81.765469][ T1171] F2FS-fs (loop4): invalid crc value [pid 1175] mkdir("./file4", 0777) = 0 [ 81.776804][ T1171] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 1175] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1179] <... openat resumed>) = 4 [pid 283] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1179] ioctl(4, LOOP_SET_FD, 3 [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1189 [pid 1179] <... ioctl resumed>) = 0 [pid 1179] close(3) = 0 [pid 1179] close(4./strace-static-x86_64: Process 1189 attached [pid 1189] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1189] chdir("./29") = 0 [pid 1189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1189] setpgid(0, 0) = 0 [pid 1189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1189] write(3, "1000", 4) = 4 [pid 1189] close(3) = 0 [pid 1189] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1189] write(1, "executing program\n", 18executing program ) = 18 [pid 1189] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1189] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1189] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1189] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1189] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1189] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1191]}, 88) = 1191 [pid 1189] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1189] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1189] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1171] <... mount resumed>) = 0 ./strace-static-x86_64: Process 1191 attached [pid 1179] <... close resumed>) = 0 [pid 1179] mkdir("./file4", 0777) = 0 [ 81.817210][ T1175] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 81.827796][ T1175] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 81.841826][ T1175] F2FS-fs (loop1): fault_injection options not supported [ 81.849362][ T1171] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 81.856573][ T1171] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 1179] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1171] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1191] set_robust_list(0x7fb743f169a0, 24 [pid 1171] <... openat resumed>) = 3 [pid 1191] <... set_robust_list resumed>) = 0 [pid 1171] chdir("./file4" [pid 1191] rt_sigprocmask(SIG_SETMASK, [], [pid 1171] <... chdir resumed>) = 0 [pid 1191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1171] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1191] memfd_create("syzkaller", 0 [pid 1171] <... openat resumed>) = 4 [pid 1191] <... memfd_create resumed>) = 3 [pid 1171] ioctl(4, LOOP_CLR_FD [pid 1191] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1171] <... ioctl resumed>) = 0 [pid 1171] close(4) = 0 [ 81.864292][ T1175] F2FS-fs (loop1): fault_type options not supported [ 81.876506][ T1179] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 81.883631][ T1179] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 81.890548][ T1175] F2FS-fs (loop1): invalid crc value [ 81.905485][ T1179] F2FS-fs (loop2): fault_injection options not supported [pid 1171] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1170] <... futex resumed>) = 0 [pid 1171] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1170] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1170] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1171] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1171] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1170] <... futex resumed>) = 0 [pid 1170] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1170] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1171] <... futex resumed>) = 1 [pid 1171] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1171] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1170] <... futex resumed>) = 0 [pid 1170] exit_group(0) = ? [pid 1171] <... futex resumed>) = ? [pid 1171] +++ exited with 0 +++ [pid 1170] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1170, si_uid=0, si_status=0, si_utime=11, si_stime=16} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 81.913084][ T1179] F2FS-fs (loop2): fault_type options not supported [ 81.916440][ T1171] F2FS-fs (loop4): switch discard_unit option is not allowed [ 81.921247][ T1179] F2FS-fs (loop2): invalid crc value [ 81.944531][ T1175] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 287] umount2("./28/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 81.976923][ T1179] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 1185] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1175] <... mount resumed>) = 0 [pid 1175] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1179] <... mount resumed>) = 0 [pid 1179] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1175] <... openat resumed>) = 3 [pid 1179] <... openat resumed>) = 3 [pid 1175] chdir("./file4" [pid 1179] chdir("./file4" [pid 1175] <... chdir resumed>) = 0 [pid 1179] <... chdir resumed>) = 0 [pid 1175] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1179] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1175] <... openat resumed>) = 4 [pid 1179] ioctl(4, LOOP_CLR_FD [pid 1175] ioctl(4, LOOP_CLR_FD [pid 1179] <... ioctl resumed>) = 0 [pid 1175] <... ioctl resumed>) = 0 [pid 1179] close(4 [ 82.021752][ T1175] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 82.031908][ T1175] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 82.043202][ T1179] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 82.050561][ T1179] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 1175] close(4 [pid 1179] <... close resumed>) = 0 [pid 1175] <... close resumed>) = 0 [pid 1179] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1175] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1179] <... futex resumed>) = 1 [pid 1175] <... futex resumed>) = 1 [pid 1172] <... futex resumed>) = 0 [pid 1179] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1175] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1172] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1172] <... futex resumed>) = 0 [pid 1179] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1172] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1174] <... futex resumed>) = 0 [pid 1174] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1174] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1179] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1175] <... futex resumed>) = 0 [pid 1175] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1179] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1175] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1179] <... futex resumed>) = 1 [pid 1175] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1179] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1172] <... futex resumed>) = 0 [pid 1175] <... futex resumed>) = 1 [pid 1172] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1179] <... futex resumed>) = 0 [pid 1175] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1172] <... futex resumed>) = 1 [pid 1179] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1172] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1191] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1174] <... futex resumed>) = 0 [pid 1179] <... symlink resumed>) = 0 [pid 1174] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1179] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1175] <... futex resumed>) = 0 [pid 1174] <... futex resumed>) = 1 [pid 1172] <... futex resumed>) = 0 [pid 1179] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1175] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1174] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1172] exit_group(0 [pid 1175] <... symlink resumed>) = 0 [pid 1179] <... futex resumed>) = ? [pid 1172] <... exit_group resumed>) = ? [pid 1175] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1179] +++ exited with 0 +++ [pid 1172] +++ exited with 0 +++ [pid 1175] <... futex resumed>) = 1 [pid 1174] <... futex resumed>) = 0 [pid 1175] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1174] exit_group(0 [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1172, si_uid=0, si_status=0, si_utime=11, si_stime=15} --- [pid 1174] <... exit_group resumed>) = ? [pid 1175] <... futex resumed>) = ? [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 1175] +++ exited with 0 +++ [pid 1174] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1174, si_uid=0, si_status=0, si_utime=9, si_stime=19} --- [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 285] <... restart_syscall resumed>) = 0 [pid 285] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./30/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1185] <... write resumed>) = 20699119 [pid 284] <... restart_syscall resumed>) = 0 [pid 1185] munmap(0x7fb73baf6000, 138412032 [pid 284] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./28/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1185] <... munmap resumed>) = 0 [pid 1185] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 82.116439][ T1179] F2FS-fs (loop2): switch discard_unit option is not allowed [ 82.124673][ T1175] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 1185] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1185] close(3) = 0 [pid 1185] close(4) = 0 [pid 1185] mkdir("./file4", 0777) = 0 [ 82.172371][ T1185] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 82.193075][ T1185] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 82.202380][ T1185] F2FS-fs (loop3): fault_injection options not supported [ 82.209702][ T1185] F2FS-fs (loop3): fault_type options not supported [ 82.217306][ T1185] F2FS-fs (loop3): invalid crc value [pid 1185] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./28/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./28/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./28/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./28/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./28/file4") = 0 [pid 287] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./28/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./28") = 0 [ 82.236520][ T1185] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 287] mkdir("./29", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1185] <... mount resumed>) = 0 [pid 1185] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 287] <... openat resumed>) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 1185] <... openat resumed>) = 3 [pid 1185] chdir("./file4" [pid 287] close(3 [pid 1185] <... chdir resumed>) = 0 [pid 287] <... close resumed>) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1185] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 1202 [pid 1185] <... openat resumed>) = 4 [pid 1185] ioctl(4, LOOP_CLR_FD) = 0 [pid 1185] close(4) = 0 [pid 1185] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 1202 attached ) = 1 [pid 1184] <... futex resumed>) = 0 [pid 285] <... umount2 resumed>) = 0 [pid 1202] set_robust_list(0x55557d22a6a0, 24 [pid 1185] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1184] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] umount2("./30/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1202] <... set_robust_list resumed>) = 0 [pid 1185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1184] <... futex resumed>) = 0 [pid 1184] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 82.281617][ T1185] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 82.299607][ T1185] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 1185] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./30/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./30/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./30/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1202] chdir("./29" [pid 1185] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 285] <... openat resumed>) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1202] <... chdir resumed>) = 0 [pid 285] getdents64(4, [pid 1202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 285] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 1185] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4 [pid 1202] <... prctl resumed>) = 0 [pid 285] <... close resumed>) = 0 [pid 1184] <... futex resumed>) = 0 [pid 285] rmdir("./30/file4" [pid 1202] setpgid(0, 0 [pid 1185] <... futex resumed>) = 1 [pid 1184] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1202] <... setpgid resumed>) = 0 [pid 1185] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1184] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1202] write(3, "1000", 4 [pid 285] <... rmdir resumed>) = 0 [pid 1202] <... write resumed>) = 4 [pid 285] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./30/binderfs" [pid 1202] close(3) = 0 [pid 1202] symlink("/dev/binderfs", "./binderfs" [pid 1185] <... symlink resumed>) = 0 [pid 285] <... unlink resumed>) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 1202] <... symlink resumed>) = 0 [pid 285] close(3) = 0 [pid 1202] write(1, "executing program\n", 18 [pid 1185] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 1202] <... write resumed>) = 18 [pid 285] rmdir("./30" [pid 1185] <... futex resumed>) = 1 [pid 1202] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1184] <... futex resumed>) = 0 [pid 1184] exit_group(0 [pid 1202] <... futex resumed>) = 0 [pid 1184] <... exit_group resumed>) = ? [pid 1202] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1202] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1202] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 285] <... rmdir resumed>) = 0 [pid 1202] <... mprotect resumed>) = 0 [pid 1202] rt_sigprocmask(SIG_BLOCK, ~[], [pid 285] mkdir("./31", 0777 [pid 1202] <... rt_sigprocmask resumed>[], 8) = 0 [pid 1202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1203]}, 88) = 1203 [pid 1185] +++ exited with 0 +++ [pid 1184] +++ exited with 0 +++ [pid 1202] rt_sigprocmask(SIG_SETMASK, [], [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1184, si_uid=0, si_status=0, si_utime=8, si_stime=18} --- [pid 1202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 1202] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1202] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 286] <... restart_syscall resumed>) = 0 [pid 286] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./31/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... mkdir resumed>) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1204 [pid 1191] <... write resumed>) = 20699119 ./strace-static-x86_64: Process 1203 attached [pid 1203] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1203] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 1204 attached [pid 1203] memfd_create("syzkaller", 0 [pid 1204] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1203] <... memfd_create resumed>) = 3 [pid 1191] munmap(0x7fb73baf6000, 138412032 [pid 284] <... umount2 resumed>) = 0 [pid 1204] chdir("./31" [pid 1203] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 284] umount2("./28/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1204] <... chdir resumed>) = 0 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 284] newfstatat(AT_FDCWD, "./28/file4", [pid 1204] <... prctl resumed>) = 0 [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1204] setpgid(0, 0 [pid 284] umount2("./28/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1204] <... setpgid resumed>) = 0 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 284] openat(AT_FDCWD, "./28/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1204] <... openat resumed>) = 3 [pid 284] <... openat resumed>) = 4 [pid 1204] write(3, "1000", 4 [pid 284] newfstatat(4, "", [pid 1204] <... write resumed>) = 4 [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1204] close(3 [pid 284] getdents64(4, [pid 1204] <... close resumed>) = 0 [pid 284] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 1204] symlink("/dev/binderfs", "./binderfs" [pid 284] getdents64(4, [pid 1204] <... symlink resumed>) = 0 [pid 284] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 executing program [pid 1204] write(1, "executing program\n", 18 [pid 284] close(4 [pid 1204] <... write resumed>) = 18 [pid 284] <... close resumed>) = 0 [pid 1204] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] rmdir("./28/file4" [pid 1204] <... futex resumed>) = 0 [pid 284] <... rmdir resumed>) = 0 [pid 1204] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 284] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1204] <... rt_sigaction resumed>NULL, 8) = 0 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1204] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [ 82.331152][ T1185] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 284] newfstatat(AT_FDCWD, "./28/binderfs", [pid 1204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 284] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 284] unlink("./28/binderfs" [pid 1204] <... mmap resumed>) = 0x7fb743ef6000 [pid 284] <... unlink resumed>) = 0 [pid 1204] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 284] getdents64(3, [pid 1204] <... mprotect resumed>) = 0 [pid 284] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 1204] rt_sigprocmask(SIG_BLOCK, ~[], [pid 284] close(3 [pid 1204] <... rt_sigprocmask resumed>[], 8) = 0 [pid 284] <... close resumed>) = 0 [pid 1204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 284] rmdir("./28" [pid 1203] <... mmap resumed>) = 0x7fb73baf6000 [pid 284] <... rmdir resumed>) = 0 [pid 1204] <... clone3 resumed> => {parent_tid=[1205]}, 88) = 1205 [pid 1191] <... munmap resumed>) = 0 [pid 284] mkdir("./29", 0777 [pid 1204] rt_sigprocmask(SIG_SETMASK, [], [pid 284] <... mkdir resumed>) = 0 [pid 1204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1204] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... openat resumed>) = 3 [pid 1204] <... futex resumed>) = 0 [pid 284] ioctl(3, LOOP_CLR_FD [pid 1204] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 284] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1206 [pid 1191] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1191] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 1206 attached [pid 1206] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1206] chdir("./29") = 0 [pid 1206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1206] setpgid(0, 0) = 0 [pid 1206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1206] write(3, "1000", 4) = 4 [pid 1206] close(3) = 0 [pid 1206] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1206] write(1, "executing program\n", 18executing program ) = 18 [pid 1206] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1206] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1206] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1206] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1206] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1206] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1208]}, 88) = 1208 [pid 1206] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1206] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1206] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1191] <... ioctl resumed>) = 0 [pid 1191] close(3) = 0 [pid 1191] close(4./strace-static-x86_64: Process 1205 attached [pid 1205] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1205] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1205] memfd_create("syzkaller", 0) = 3 [pid 1205] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 ./strace-static-x86_64: Process 1208 attached [pid 1208] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1208] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1208] memfd_create("syzkaller", 0) = 3 [pid 1208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1191] <... close resumed>) = 0 [pid 1191] mkdir("./file4", 0777) = 0 [ 82.448875][ T1191] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 82.455952][ T1191] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 82.464379][ T1191] F2FS-fs (loop0): fault_injection options not supported [ 82.471610][ T1191] F2FS-fs (loop0): fault_type options not supported [ 82.479405][ T1191] F2FS-fs (loop0): invalid crc value [ 82.516526][ T1191] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1191] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"...) = 0 [pid 1191] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1191] chdir("./file4") = 0 [pid 1191] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1191] ioctl(4, LOOP_CLR_FD) = 0 [pid 1191] close(4) = 0 [pid 1191] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1189] <... futex resumed>) = 0 [pid 1189] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1189] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1191] <... futex resumed>) = 1 [ 82.584788][ T1191] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 82.591977][ T1191] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 1191] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1191] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1189] <... futex resumed>) = 0 [pid 1189] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1189] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1191] <... futex resumed>) = 1 [pid 1191] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1191] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1189] <... futex resumed>) = 0 [pid 1189] exit_group(0) = ? [pid 1191] <... futex resumed>) = ? [pid 1191] +++ exited with 0 +++ [pid 1189] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1189, si_uid=0, si_status=0, si_utime=9, si_stime=14} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 1203] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 82.637810][ T1191] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 283] umount2("./29/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] <... umount2 resumed>) = 0 [pid 1208] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 286] umount2("./31/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./31/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./31/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./31/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./31/file4") = 0 [pid 286] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./31/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./31") = 0 [pid 286] mkdir("./32", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1212 ./strace-static-x86_64: Process 1212 attached [pid 1212] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1212] chdir("./32") = 0 [pid 1212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1212] setpgid(0, 0) = 0 [pid 1212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1212] write(3, "1000", 4) = 4 [pid 1212] close(3) = 0 [pid 1212] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1212] write(1, "executing program\n", 18) = 18 [pid 1212] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1212] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1212] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1212] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1212] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1212] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1213]}, 88) = 1213 [pid 1212] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1212] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1212] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1213 attached [pid 1205] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1213] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1213] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1213] memfd_create("syzkaller", 0) = 3 [pid 1213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1203] <... write resumed>) = 20699119 [pid 1203] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1203] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1203] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1203] close(3) = 0 [pid 1203] close(4) = 0 [pid 1203] mkdir("./file4", 0777) = 0 [pid 1203] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1208] <... write resumed>) = 20699119 [pid 1208] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1208] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1208] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1208] close(3) = 0 [pid 1208] close(4) = 0 [pid 1208] mkdir("./file4", 0777) = 0 [ 82.853500][ T1203] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 82.871182][ T1203] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 82.895273][ T1208] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [pid 1208] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1205] <... write resumed>) = 20699119 [pid 1205] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1205] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1205] ioctl(4, LOOP_SET_FD, 3) = 0 [ 82.904928][ T1208] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 82.913720][ T1208] F2FS-fs (loop1): fault_injection options not supported [ 82.913857][ T1203] F2FS-fs (loop4): fault_injection options not supported [ 82.921188][ T1208] F2FS-fs (loop1): fault_type options not supported [ 82.935986][ T1203] F2FS-fs (loop4): fault_type options not supported [ 82.944512][ T1203] F2FS-fs (loop4): invalid crc value [pid 1205] close(3) = 0 [pid 1205] close(4) = 0 [pid 1205] mkdir("./file4", 0777) = 0 [pid 1205] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./29/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./29/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 82.952100][ T1208] F2FS-fs (loop1): invalid crc value [ 82.960015][ T1205] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 82.967182][ T1205] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 82.975481][ T1205] F2FS-fs (loop2): fault_injection options not supported [ 82.983520][ T1208] F2FS-fs (loop1): Found nat_bits in checkpoint [ 82.983704][ T1203] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 283] umount2("./29/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./29/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./29/file4") = 0 [pid 283] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./29/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./29") = 0 [pid 283] mkdir("./30", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1203] <... mount resumed>) = 0 [pid 1203] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1203] chdir("./file4" [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 1222 ./strace-static-x86_64: Process 1222 attached [pid 1203] <... chdir resumed>) = 0 [pid 1203] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1222] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1203] <... openat resumed>) = 4 [pid 1222] chdir("./30" [pid 1203] ioctl(4, LOOP_CLR_FD [pid 1222] <... chdir resumed>) = 0 [pid 1203] <... ioctl resumed>) = 0 [pid 1222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1222] setpgid(0, 0) = 0 [ 83.022100][ T1205] F2FS-fs (loop2): fault_type options not supported [ 83.036012][ T1203] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 83.043301][ T1203] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 1203] close(4) = 0 [pid 1203] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 1 [pid 1202] <... futex resumed>) = 0 [pid 1222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1222] write(3, "1000", 4) = 4 [pid 1222] close(3) = 0 [pid 1222] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1222] write(1, "executing program\n", 18) = 18 [pid 1222] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1222] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1222] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1222] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1222] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1222] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1222] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1225]}, 88) = 1225 [pid 1222] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1222] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1222] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1225 attached [pid 1225] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1225] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1225] memfd_create("syzkaller", 0 [pid 1203] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1202] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1225] <... memfd_create resumed>) = 3 [pid 1225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1202] <... futex resumed>) = 0 [pid 1202] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1203] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1208] <... mount resumed>) = 0 [pid 1203] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1202] <... futex resumed>) = 0 [pid 1203] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1208] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1202] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1208] chdir("./file4" [pid 1203] <... futex resumed>) = 0 [pid 1202] <... futex resumed>) = 1 [pid 1208] <... chdir resumed>) = 0 [pid 1203] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1202] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1208] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1203] <... symlink resumed>) = 0 [pid 1208] <... openat resumed>) = 4 [pid 1203] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1208] ioctl(4, LOOP_CLR_FD [pid 1203] <... futex resumed>) = 1 [pid 1208] <... ioctl resumed>) = 0 [pid 1203] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1208] close(4) = 0 [pid 1202] <... futex resumed>) = 0 [pid 1208] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1206] <... futex resumed>) = 0 [pid 1208] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1206] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1206] <... futex resumed>) = 0 [pid 1208] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1206] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1202] exit_group(0) = ? [pid 1208] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1203] <... futex resumed>) = ? [pid 1203] +++ exited with 0 +++ [pid 1202] +++ exited with 0 +++ [ 83.069493][ T1205] F2FS-fs (loop2): invalid crc value [ 83.075552][ T1208] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 83.083184][ T1203] F2FS-fs (loop4): switch discard_unit option is not allowed [ 83.090734][ T1208] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 83.100284][ T1205] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1202, si_uid=0, si_status=0, si_utime=9, si_stime=22} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./29/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1208] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1206] <... futex resumed>) = 0 [pid 1208] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1206] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1206] <... futex resumed>) = 0 [pid 1208] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1206] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1208] <... symlink resumed>) = 0 [pid 1208] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1206] <... futex resumed>) = 0 [pid 1208] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1206] exit_group(0 [pid 1208] <... futex resumed>) = ? [pid 1206] <... exit_group resumed>) = ? [pid 1208] +++ exited with 0 +++ [pid 1206] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1206, si_uid=0, si_status=0, si_utime=7, si_stime=22} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 83.116892][ T1208] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 284] umount2("./29/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1225] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1213] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 1213] munmap(0x7fb73baf6000, 138412032 [pid 1205] <... mount resumed>) = 0 [ 83.255995][ T1205] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 83.263081][ T1205] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 1205] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1213] <... munmap resumed>) = 0 [pid 1205] <... openat resumed>) = 3 [pid 1213] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1205] chdir("./file4" [pid 1213] <... openat resumed>) = 4 [pid 1205] <... chdir resumed>) = 0 [pid 1213] ioctl(4, LOOP_SET_FD, 3 [pid 1205] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1213] <... ioctl resumed>) = 0 [pid 1205] <... openat resumed>) = 4 [pid 1213] close(3 [pid 1205] ioctl(4, LOOP_CLR_FD [pid 1213] <... close resumed>) = 0 [pid 1205] <... ioctl resumed>) = 0 [pid 1213] close(4 [pid 1205] close(4 [pid 1225] <... write resumed>) = 20699119 [pid 1225] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1225] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./29/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./29/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./29/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./29/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1213] <... close resumed>) = 0 [pid 1213] mkdir("./file4", 0777 [pid 287] <... openat resumed>) = 4 [pid 287] newfstatat(4, "", [pid 1213] <... mkdir resumed>) = 0 [pid 1213] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./29/file4") = 0 [pid 287] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./29/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./29") = 0 [pid 287] mkdir("./30", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./29/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./29/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./29/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./29/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./29/file4") = 0 [pid 284] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./29/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./29") = 0 [pid 284] mkdir("./30", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1225] <... openat resumed>) = 4 [pid 1205] <... close resumed>) = 0 [pid 1225] ioctl(4, LOOP_SET_FD, 3 [pid 1205] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1204] <... futex resumed>) = 0 [pid 1205] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1204] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1204] <... futex resumed>) = 0 [pid 1205] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1204] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1225] <... ioctl resumed>) = 0 [pid 1225] close(3) = 0 [pid 1225] close(4 [pid 287] <... openat resumed>) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1230 ./strace-static-x86_64: Process 1230 attached [pid 1205] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 284] <... openat resumed>) = 3 [pid 1230] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1230] chdir("./30") = 0 [pid 1230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1230] setpgid(0, 0 [pid 284] ioctl(3, LOOP_CLR_FD [pid 1230] <... setpgid resumed>) = 0 [pid 1205] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1204] <... futex resumed>) = 0 [pid 1204] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1204] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1205] <... futex resumed>) = 1 [pid 1205] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1230] <... openat resumed>) = 3 [pid 1230] write(3, "1000", 4) = 4 [pid 1230] close(3) = 0 [pid 1230] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1205] <... symlink resumed>) = 0 [pid 1230] write(1, "executing program\n", 18executing program ) = 18 [pid 1230] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1205] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1204] <... futex resumed>) = 0 [pid 1204] exit_group(0) = ? [pid 1230] <... futex resumed>) = 0 [pid 1205] <... futex resumed>) = ? [pid 1230] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 1205] +++ exited with 0 +++ [pid 1204] +++ exited with 0 +++ [pid 1230] <... rt_sigaction resumed>NULL, 8) = 0 [pid 1230] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 1225] <... close resumed>) = 0 [pid 1225] mkdir("./file4", 0777) = 0 [pid 1225] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1230] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1230] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1231]}, 88) = 1231 [pid 1230] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1230] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1230] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1231 attached [pid 1231] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1231] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1231] memfd_create("syzkaller", 0) = 3 [pid 1231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1204, si_uid=0, si_status=0, si_utime=12, si_stime=15} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 83.404577][ T1205] F2FS-fs (loop2): switch discard_unit option is not allowed [ 83.413732][ T1213] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 83.420842][ T1213] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 83.429214][ T1213] F2FS-fs (loop3): fault_injection options not supported [ 83.436453][ T1213] F2FS-fs (loop3): fault_type options not supported [ 83.445344][ T1213] F2FS-fs (loop3): invalid crc value [pid 285] umount2("./31/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1234 ./strace-static-x86_64: Process 1234 attached [pid 1234] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1234] chdir("./30") = 0 [pid 1234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1234] setpgid(0, 0) = 0 [pid 1234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1234] write(3, "1000", 4) = 4 [pid 1234] close(3) = 0 [pid 1234] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1234] write(1, "executing program\n", 18executing program ) = 18 [pid 1234] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1234] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1234] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1234] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1234] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1235]}, 88) = 1235 [pid 1234] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1234] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1234] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 285] <... umount2 resumed>) = 0 [ 83.464679][ T1213] F2FS-fs (loop3): Found nat_bits in checkpoint [ 83.478858][ T1225] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [pid 285] umount2("./31/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./31/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./31/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./31/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./31/file4") = 0 [pid 285] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./31/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./31") = 0 [pid 285] mkdir("./32", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 1235 attached [pid 1235] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1235] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1235] memfd_create("syzkaller", 0) = 3 [pid 1235] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 83.522764][ T1213] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 83.530476][ T1225] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 83.556108][ T1213] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 1213] <... mount resumed>) = 0 [pid 1213] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1213] chdir("./file4") = 0 [pid 1213] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 285] <... openat resumed>) = 3 [pid 1213] ioctl(4, LOOP_CLR_FD [pid 285] ioctl(3, LOOP_CLR_FD [pid 1213] <... ioctl resumed>) = 0 [pid 285] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1213] close(4 [pid 285] close(3 [pid 1231] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1213] <... close resumed>) = 0 [pid 285] <... close resumed>) = 0 [pid 1213] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1213] <... futex resumed>) = 1 [pid 1212] <... futex resumed>) = 0 [ 83.577448][ T1225] F2FS-fs (loop0): fault_injection options not supported [ 83.595358][ T1225] F2FS-fs (loop0): fault_type options not supported [pid 1213] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1212] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 1237 [pid 1212] <... futex resumed>) = 0 [pid 1212] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1213] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 1237 attached [pid 1213] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1237] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1237] chdir("./32" [pid 1212] <... futex resumed>) = 0 [pid 1212] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1212] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1213] <... futex resumed>) = 1 [pid 1237] <... chdir resumed>) = 0 [pid 1213] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1213] <... symlink resumed>) = 0 [pid 1237] <... prctl resumed>) = 0 [pid 1237] setpgid(0, 0) = 0 [pid 1237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1237] write(3, "1000", 4) = 4 [pid 1237] close(3) = 0 [pid 1237] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1213] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1212] <... futex resumed>) = 0 [pid 1212] exit_group(0) = ? [pid 1213] <... futex resumed>) = ? [pid 1213] +++ exited with 0 +++ [pid 1212] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1212, si_uid=0, si_status=0, si_utime=11, si_stime=19} --- [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 1237] write(1, "executing program\n", 18executing program ) = 18 [pid 1237] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1237] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1237] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1237] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1237] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1237] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1240]}, 88) = 1240 [pid 1237] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1237] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1237] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 286] <... restart_syscall resumed>) = 0 [pid 286] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./32/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1240 attached [pid 1240] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1240] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1240] memfd_create("syzkaller", 0) = 3 [pid 1240] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 83.627705][ T1213] F2FS-fs (loop3): switch discard_unit option is not allowed [ 83.636744][ T1225] F2FS-fs (loop0): invalid crc value [ 83.666059][ T1225] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1225] <... mount resumed>) = 0 [pid 1225] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1225] chdir("./file4") = 0 [pid 1225] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1225] ioctl(4, LOOP_CLR_FD) = 0 [pid 1225] close(4) = 0 [pid 1225] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1222] <... futex resumed>) = 0 [pid 1231] <... write resumed>) = 20699119 [pid 1225] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1231] munmap(0x7fb73baf6000, 138412032 [pid 1222] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1225] <... futex resumed>) = 0 [pid 1222] <... futex resumed>) = 1 [pid 1225] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1222] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1231] <... munmap resumed>) = 0 [pid 1231] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1231] ioctl(4, LOOP_SET_FD, 3 [pid 1225] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1225] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1222] <... futex resumed>) = 0 [pid 1222] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1222] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1225] <... futex resumed>) = 1 [pid 1225] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1225] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1222] <... futex resumed>) = 0 [pid 1222] exit_group(0) = ? [pid 1225] <... futex resumed>) = ? [pid 1225] +++ exited with 0 +++ [pid 1222] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1222, si_uid=0, si_status=0, si_utime=11, si_stime=18} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 1231] <... ioctl resumed>) = 0 [pid 1231] close(3) = 0 [pid 1231] close(4 [pid 1235] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 83.804132][ T1225] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 83.811309][ T1225] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 83.824324][ T1225] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 283] umount2("./30/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1231] <... close resumed>) = 0 [pid 1231] mkdir("./file4", 0777) = 0 [pid 1231] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1235] <... write resumed>) = 20699119 [pid 286] <... umount2 resumed>) = 0 [pid 1235] munmap(0x7fb73baf6000, 138412032 [pid 286] umount2("./32/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./32/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./32/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./32/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./32/file4") = 0 [pid 286] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1240] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 286] unlink("./32/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./32" [pid 1235] <... munmap resumed>) = 0 [pid 286] <... rmdir resumed>) = 0 [pid 286] mkdir("./33", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1235] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1240] <... write resumed>) = 20699119 [pid 1240] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1240] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 286] <... openat resumed>) = 3 [pid 1235] <... openat resumed>) = 4 [pid 1235] ioctl(4, LOOP_SET_FD, 3 [pid 286] ioctl(3, LOOP_CLR_FD [pid 1240] <... openat resumed>) = 4 [pid 1235] <... ioctl resumed>) = 0 [pid 286] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1240] ioctl(4, LOOP_SET_FD, 3 [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1235] close(3) = 0 [pid 1235] close(4 [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 1244 ./strace-static-x86_64: Process 1244 attached [pid 1240] <... ioctl resumed>) = 0 [pid 1240] close(3) = 0 [pid 1240] close(4 [pid 1244] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1244] chdir("./33") = 0 [pid 1244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1244] setpgid(0, 0) = 0 [pid 1244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1244] write(3, "1000", 4) = 4 [pid 1244] close(3) = 0 [pid 1244] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1244] write(1, "executing program\n", 18) = 18 [pid 1244] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1244] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1244] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1244] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1244] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1248]}, 88) = 1248 [pid 1244] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1244] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 84.007952][ T1231] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 84.014943][ T1231] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 84.023921][ T1231] F2FS-fs (loop4): fault_injection options not supported [ 84.032546][ T1231] F2FS-fs (loop4): fault_type options not supported [ 84.040844][ T1231] F2FS-fs (loop4): invalid crc value [pid 1244] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1248 attached [pid 1248] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1248] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1248] memfd_create("syzkaller", 0) = 3 [pid 1248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1240] <... close resumed>) = 0 [pid 1240] mkdir("./file4", 0777) = 0 [ 84.056828][ T1231] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 1240] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./30/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./30/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./30/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./30/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", [pid 1235] <... close resumed>) = 0 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1235] mkdir("./file4", 0777) = 0 [pid 1235] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./30/file4") = 0 [pid 283] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./30/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./30") = 0 [pid 283] mkdir("./31", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1249 ./strace-static-x86_64: Process 1249 attached [pid 1249] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1249] chdir("./31") = 0 [pid 1249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1249] setpgid(0, 0) = 0 [pid 1249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1249] write(3, "1000", 4) = 4 [pid 1249] close(3) = 0 [pid 1249] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1249] write(1, "executing program\n", 18) = 18 [ 84.088630][ T1240] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 84.100773][ T1240] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 84.109251][ T1240] F2FS-fs (loop2): fault_injection options not supported [ 84.116532][ T1240] F2FS-fs (loop2): fault_type options not supported [ 84.126653][ T1240] F2FS-fs (loop2): invalid crc value [ 84.126856][ T1235] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [pid 1249] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1249] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1249] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1249] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1249] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1253]}, 88) = 1253 [pid 1249] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1249] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1249] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1253 attached [pid 1253] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1253] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 84.148973][ T1231] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 84.150372][ T1235] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 84.157804][ T1240] F2FS-fs (loop2): Found nat_bits in checkpoint [ 84.176816][ T1231] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 84.182883][ T1235] F2FS-fs (loop1): fault_injection options not supported [pid 1253] memfd_create("syzkaller", 0) = 3 [pid 1253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1231] <... mount resumed>) = 0 [pid 1231] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1231] chdir("./file4") = 0 [pid 1231] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1231] ioctl(4, LOOP_CLR_FD) = 0 [pid 1231] close(4) = 0 [pid 1231] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1230] <... futex resumed>) = 0 [pid 1230] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1230] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1231] <... futex resumed>) = 1 [pid 1231] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1230] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 1230] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ed5000 [pid 1230] mprotect(0x7fb743ed6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1230] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743ef5990, parent_tid=0x7fb743ef5990, exit_signal=0, stack=0x7fb743ed5000, stack_size=0x20300, tls=0x7fb743ef56c0} => {parent_tid=[1256]}, 88) = 1256 [pid 1230] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1230] futex(0x7fb743fe76b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 84.195808][ T1235] F2FS-fs (loop1): fault_type options not supported [ 84.203484][ T1235] F2FS-fs (loop1): invalid crc value [ 84.216527][ T1235] F2FS-fs (loop1): Found nat_bits in checkpoint [ 84.221202][ T1231] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 1230] futex(0x7fb743fe76bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 1256 attached [pid 1256] set_robust_list(0x7fb743ef59a0, 24) = 0 [pid 1256] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1256] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1231] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1231] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1231] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1248] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1256] <... symlink resumed>) = 0 [pid 1256] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 1230] <... futex resumed>) = 0 [pid 1230] exit_group(0 [pid 1231] <... futex resumed>) = ? [pid 1230] <... exit_group resumed>) = ? [pid 1231] +++ exited with 0 +++ [pid 1256] <... futex resumed>) = ? [pid 1256] +++ exited with 0 +++ [pid 1230] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1230, si_uid=0, si_status=0, si_utime=7, si_stime=19} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 84.283109][ T1256] handle_bad_sector: 34 callbacks suppressed [ 84.283123][ T1256] attempt to access beyond end of device [ 84.283123][ T1256] loop4: rw=2049, want=53256, limit=40427 [pid 287] umount2("./30/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1248] <... write resumed>) = 20699119 [pid 1248] munmap(0x7fb73baf6000, 138412032 [pid 1240] <... mount resumed>) = 0 [ 84.328087][ T287] attempt to access beyond end of device [ 84.328087][ T287] loop4: rw=2049, want=45104, limit=40427 [ 84.356571][ T1240] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 84.363651][ T1240] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 1248] <... munmap resumed>) = 0 [pid 1240] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1248] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1240] <... openat resumed>) = 3 [pid 1248] ioctl(4, LOOP_SET_FD, 3 [pid 1240] chdir("./file4") = 0 [pid 1240] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1248] <... ioctl resumed>) = 0 [pid 1240] <... openat resumed>) = 4 [pid 1248] close(3 [pid 1240] ioctl(4, LOOP_CLR_FD [pid 1248] <... close resumed>) = 0 [pid 1240] <... ioctl resumed>) = 0 [pid 1248] close(4 [pid 1240] close(4 [pid 1235] <... mount resumed>) = 0 [pid 1235] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1235] chdir("./file4") = 0 [pid 1235] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1248] <... close resumed>) = 0 [pid 1240] <... close resumed>) = 0 [pid 1248] mkdir("./file4", 0777 [pid 1240] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1248] <... mkdir resumed>) = 0 [pid 1240] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1237] <... futex resumed>) = 0 [pid 1248] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1237] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1240] <... futex resumed>) = 0 [pid 1237] <... futex resumed>) = 1 [ 84.382616][ T1235] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 84.392750][ T1235] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 1240] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1237] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1235] <... openat resumed>) = 4 [pid 1235] ioctl(4, LOOP_CLR_FD) = 0 [pid 1235] close(4) = 0 [pid 1235] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1234] <... futex resumed>) = 0 [pid 1235] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1234] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1234] <... futex resumed>) = 0 [pid 1235] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1234] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1240] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1240] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1237] <... futex resumed>) = 0 [pid 1237] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1237] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1235] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1240] <... futex resumed>) = 1 [pid 1240] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1235] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1235] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 84.441905][ T1240] F2FS-fs (loop2): switch discard_unit option is not allowed [ 84.441999][ T1248] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 84.458702][ T1235] F2FS-fs (loop1): switch discard_unit option is not allowed [ 84.467551][ T1248] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 84.469825][ T1240] attempt to access beyond end of device [ 84.469825][ T1240] loop2: rw=2049, want=53256, limit=40427 [pid 1253] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1234] <... futex resumed>) = 0 [pid 1234] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1235] <... futex resumed>) = 0 [pid 1234] <... futex resumed>) = 1 [pid 1235] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1234] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1240] <... symlink resumed>) = 0 [pid 1237] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 1240] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1237] exit_group(0 [pid 1240] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 1237] <... exit_group resumed>) = ? [pid 1240] +++ exited with 0 +++ [pid 1237] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1237, si_uid=0, si_status=0, si_utime=13, si_stime=19} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./32/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1234] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 84.476064][ T1248] F2FS-fs (loop3): fault_injection options not supported [ 84.494200][ T1248] F2FS-fs (loop3): fault_type options not supported [ 84.501907][ T1248] F2FS-fs (loop3): invalid crc value [ 84.502265][ T1235] attempt to access beyond end of device [ 84.502265][ T1235] loop1: rw=2049, want=53256, limit=40427 [pid 1235] <... symlink resumed>) = 0 [pid 1235] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1235] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1234] exit_group(0) = ? [pid 1235] <... futex resumed>) = ? [pid 1235] +++ exited with 0 +++ [pid 1234] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1234, si_uid=0, si_status=0, si_utime=10, si_stime=22} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 84.552564][ T285] attempt to access beyond end of device [ 84.552564][ T285] loop2: rw=2049, want=45104, limit=40427 [ 84.553137][ T1248] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 284] umount2("./30/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1253] <... write resumed>) = 20699119 [pid 1253] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1253] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1253] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1253] close(3) = 0 [pid 1253] close(4) = 0 [pid 1253] mkdir("./file4", 0777) = 0 [ 84.597903][ T284] attempt to access beyond end of device [ 84.597903][ T284] loop1: rw=2049, want=45104, limit=40427 [ 84.633705][ T1253] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [pid 1253] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] <... umount2 resumed>) = 0 [pid 1248] <... mount resumed>) = 0 [pid 287] umount2("./30/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1248] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1248] chdir("./file4") = 0 [pid 1248] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./30/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./30/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./30/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [ 84.641915][ T1248] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 84.650180][ T1253] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 84.659575][ T1248] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 84.681519][ T1253] F2FS-fs (loop0): fault_injection options not supported [ 84.688793][ T1253] F2FS-fs (loop0): fault_type options not supported [pid 287] close(4) = 0 [pid 287] rmdir("./30/file4") = 0 [pid 287] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./30/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./30") = 0 [pid 287] mkdir("./31", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1248] <... openat resumed>) = 4 [pid 1248] ioctl(4, LOOP_CLR_FD [pid 287] <... openat resumed>) = 3 [pid 1248] <... ioctl resumed>) = 0 [pid 287] ioctl(3, LOOP_CLR_FD [pid 1248] close(4 [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1248] <... close resumed>) = 0 [pid 287] close(3 [pid 1248] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... close resumed>) = 0 [pid 1248] <... futex resumed>) = 1 [pid 1244] <... futex resumed>) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1248] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1244] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 1266 [pid 1244] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 1266 attached [pid 1266] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1266] chdir("./31" [pid 1248] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1248] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1266] <... chdir resumed>) = 0 [pid 1244] <... futex resumed>) = 0 [pid 1244] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1244] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1248] <... futex resumed>) = 1 [pid 1248] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 84.696316][ T1253] F2FS-fs (loop0): invalid crc value [ 84.706134][ T1253] F2FS-fs (loop0): Found nat_bits in checkpoint [ 84.730117][ T1248] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 1266] setpgid(0, 0) = 0 [pid 1266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1266] write(3, "1000", 4) = 4 [pid 1266] close(3) = 0 [pid 1266] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1266] write(1, "executing program\n", 18executing program ) = 18 [pid 1266] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1266] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1266] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1266] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1266] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1266] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1268]}, 88) = 1268 [pid 1266] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1266] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1266] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1248] <... symlink resumed>) = 0 [pid 1248] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1244] <... futex resumed>) = 0 [pid 1244] exit_group(0) = ? [pid 1248] <... futex resumed>) = ? [pid 1248] +++ exited with 0 +++ [pid 1244] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1244, si_uid=0, si_status=0, si_utime=11, si_stime=23} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 1268 attached [pid 1253] <... mount resumed>) = 0 [pid 286] <... restart_syscall resumed>) = 0 [pid 1268] set_robust_list(0x7fb743f169a0, 24 [pid 1253] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1268] <... set_robust_list resumed>) = 0 [pid 1268] rt_sigprocmask(SIG_SETMASK, [], [pid 1253] <... openat resumed>) = 3 [pid 1268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1253] chdir("./file4" [pid 1268] memfd_create("syzkaller", 0 [pid 1253] <... chdir resumed>) = 0 [pid 1268] <... memfd_create resumed>) = 3 [pid 1253] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 286] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1268] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 1253] <... openat resumed>) = 4 [pid 1268] <... mmap resumed>) = 0x7fb73baf6000 [pid 1253] ioctl(4, LOOP_CLR_FD [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 84.752863][ T1248] attempt to access beyond end of device [ 84.752863][ T1248] loop3: rw=2049, want=53256, limit=40427 [ 84.764588][ T1253] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 84.771710][ T1253] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 84.796066][ T286] attempt to access beyond end of device [pid 286] umount2("./33/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1253] <... ioctl resumed>) = 0 [pid 1253] close(4) = 0 [pid 1253] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1249] <... futex resumed>) = 0 [pid 1253] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1249] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1249] <... futex resumed>) = 0 [pid 1253] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1249] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1253] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1253] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1249] <... futex resumed>) = 0 [pid 1253] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1249] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1249] <... futex resumed>) = 0 [pid 1253] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1249] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./32/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1253] <... symlink resumed>) = 0 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./32/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./32/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./32/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./32/file4") = 0 [pid 285] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./32/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./32") = 0 [pid 1253] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1249] <... futex resumed>) = 0 [pid 1253] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1249] exit_group(0 [pid 1253] <... futex resumed>) = ? [pid 1249] <... exit_group resumed>) = ? [pid 285] mkdir("./33", 0777 [pid 1253] +++ exited with 0 +++ [pid 1249] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1249, si_uid=0, si_status=0, si_utime=7, si_stime=17} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 285] <... mkdir resumed>) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1269 [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 84.796066][ T286] loop3: rw=2049, want=45104, limit=40427 [ 84.816401][ T1253] F2FS-fs (loop0): switch discard_unit option is not allowed [ 84.837275][ T1253] attempt to access beyond end of device [ 84.837275][ T1253] loop0: rw=2049, want=53256, limit=40427 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./31/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1269 attached [pid 1269] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1269] chdir("./33") = 0 [pid 1269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1269] setpgid(0, 0) = 0 [pid 1269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1269] write(3, "1000", 4) = 4 [pid 1269] close(3) = 0 [pid 1269] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1269] write(1, "executing program\n", 18executing program ) = 18 [pid 1269] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1269] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1269] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1269] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1269] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1270]}, 88) = 1270 [pid 1269] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1269] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1269] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1270 attached [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./30/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./30/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./30/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./30/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./30/file4") = 0 [pid 284] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./30/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./30") = 0 [pid 284] mkdir("./31", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 1270] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1271 [pid 1270] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 1271 attached [ 84.879275][ T283] attempt to access beyond end of device [ 84.879275][ T283] loop0: rw=2049, want=45104, limit=40427 [pid 1271] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1271] chdir("./31") = 0 [pid 1271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1271] setpgid(0, 0) = 0 [pid 1271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1271] write(3, "1000", 4) = 4 [pid 1271] close(3) = 0 [pid 1271] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1271] write(1, "executing program\n", 18executing program ) = 18 [pid 1270] memfd_create("syzkaller", 0 [pid 1271] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1270] <... memfd_create resumed>) = 3 [pid 1270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 1271] <... futex resumed>) = 0 [pid 1270] <... mmap resumed>) = 0x7fb73baf6000 [pid 1271] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1271] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1271] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1271] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1272]}, 88) = 1272 [pid 1271] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1271] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1271] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1272 attached [pid 1272] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1272] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1272] memfd_create("syzkaller", 0) = 3 [pid 1272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1268] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 286] <... umount2 resumed>) = 0 [pid 1268] <... write resumed>) = 20699119 [pid 286] umount2("./33/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./33/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./33/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./33/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, [pid 1268] munmap(0x7fb73baf6000, 138412032 [pid 286] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./33/file4") = 0 [pid 286] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./33/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./33") = 0 [pid 286] mkdir("./34", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1273 ./strace-static-x86_64: Process 1273 attached [pid 1268] <... munmap resumed>) = 0 [pid 1268] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1268] ioctl(4, LOOP_SET_FD, 3 [pid 1273] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1273] chdir("./34") = 0 [pid 1273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1273] setpgid(0, 0) = 0 [pid 1273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1273] write(3, "1000", 4) = 4 [pid 1273] close(3) = 0 [pid 1273] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1273] write(1, "executing program\n", 18) = 18 [pid 1273] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1273] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1273] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1273] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1273] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1275]}, 88) = 1275 [pid 1273] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1273] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1273] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1268] <... ioctl resumed>) = 0 [pid 1268] close(3) = 0 [pid 1268] close(4) = 0 [pid 1268] mkdir("./file4", 0777) = 0 [pid 1268] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"..../strace-static-x86_64: Process 1275 attached [pid 1275] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1275] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1275] memfd_create("syzkaller", 0) = 3 [pid 1275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 85.109726][ T1268] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 85.128654][ T1268] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 85.137381][ T1268] F2FS-fs (loop4): fault_injection options not supported [ 85.144427][ T1268] F2FS-fs (loop4): fault_type options not supported [ 85.152496][ T1268] F2FS-fs (loop4): invalid crc value [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./31/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./31/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./31/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./31/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./31/file4") = 0 [pid 283] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./31/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./31") = 0 [pid 283] mkdir("./32", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1278 ./strace-static-x86_64: Process 1278 attached [pid 1278] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1278] chdir("./32") = 0 [pid 1278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1278] setpgid(0, 0) = 0 [pid 1278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1278] write(3, "1000", 4) = 4 [pid 1278] close(3) = 0 [pid 1278] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1278] write(1, "executing program\n", 18executing program ) = 18 [pid 1278] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1278] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1278] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1278] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1278] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1279]}, 88) = 1279 [pid 1278] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1278] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1278] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1270] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1272] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 1279 attached [pid 1279] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1279] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1279] memfd_create("syzkaller", 0) = 3 [pid 1279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 85.193532][ T1268] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 1270] <... write resumed>) = 20699119 [pid 1270] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1270] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1270] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1270] close(3) = 0 [pid 1270] close(4) = 0 [pid 1270] mkdir("./file4", 0777) = 0 [ 85.316174][ T1270] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 85.333561][ T1270] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 85.341975][ T1270] F2FS-fs (loop2): fault_injection options not supported [ 85.355979][ T1268] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [pid 1270] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1268] <... mount resumed>) = 0 [pid 1268] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1268] chdir("./file4") = 0 [pid 1268] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1272] <... write resumed>) = 20699119 [pid 1272] munmap(0x7fb73baf6000, 138412032 [pid 1268] <... openat resumed>) = 4 [pid 1268] ioctl(4, LOOP_CLR_FD) = 0 [pid 1268] close(4) = 0 [pid 1268] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1266] <... futex resumed>) = 0 [pid 1268] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1266] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 85.359553][ T1270] F2FS-fs (loop2): fault_type options not supported [ 85.370065][ T1268] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 85.405611][ T1270] F2FS-fs (loop2): invalid crc value [pid 1266] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1272] <... munmap resumed>) = 0 [pid 1272] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1272] ioctl(4, LOOP_SET_FD, 3 [pid 1268] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1268] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1266] <... futex resumed>) = 0 [pid 1266] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1266] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1272] <... ioctl resumed>) = 0 [pid 1272] close(3) = 0 [pid 1272] close(4) = 0 [pid 1272] mkdir("./file4", 0777) = 0 [pid 1272] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1268] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1268] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1266] <... futex resumed>) = 0 [pid 1266] exit_group(0 [pid 1268] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 1266] <... exit_group resumed>) = ? [pid 1268] +++ exited with 0 +++ [pid 1266] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1266, si_uid=0, si_status=0, si_utime=12, si_stime=15} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./31/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 85.423595][ T1268] F2FS-fs (loop4): switch discard_unit option is not allowed [ 85.433766][ T1270] F2FS-fs (loop2): Found nat_bits in checkpoint [ 85.439128][ T1272] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 85.461541][ T1272] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 85.480678][ T1272] F2FS-fs (loop1): fault_injection options not supported [ 85.487801][ T1272] F2FS-fs (loop1): fault_type options not supported [ 85.495670][ T1272] F2FS-fs (loop1): invalid crc value [ 85.516260][ T1272] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 1275] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1272] <... mount resumed>) = 0 [pid 1272] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1272] chdir("./file4") = 0 [pid 1272] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1272] ioctl(4, LOOP_CLR_FD) = 0 [pid 1272] close(4) = 0 [pid 1272] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1272] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1271] <... futex resumed>) = 0 [pid 1271] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1271] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1272] <... futex resumed>) = 0 [pid 1272] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1270] <... mount resumed>) = 0 [pid 1270] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1270] chdir("./file4") = 0 [pid 1270] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1270] ioctl(4, LOOP_CLR_FD) = 0 [ 85.566015][ T1270] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 85.566023][ T1272] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 85.566041][ T1272] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 85.585797][ T1270] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 1270] close(4 [pid 1279] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1272] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1270] <... close resumed>) = 0 [ 85.612151][ T1272] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 1270] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1269] <... futex resumed>) = 0 [pid 1269] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1269] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1270] <... futex resumed>) = 1 [pid 1270] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1272] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1272] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1271] <... futex resumed>) = 0 [pid 1271] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1272] <... futex resumed>) = 0 [pid 1271] <... futex resumed>) = 1 [pid 1271] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1272] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1272] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1271] <... futex resumed>) = 0 [pid 1272] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1271] exit_group(0 [pid 1272] <... futex resumed>) = ? [pid 1271] <... exit_group resumed>) = ? [pid 1272] +++ exited with 0 +++ [pid 1271] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1271, si_uid=0, si_status=0, si_utime=8, si_stime=13} --- [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 1275] <... write resumed>) = 20699119 [pid 1275] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1275] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1275] ioctl(4, LOOP_SET_FD, 3 [pid 284] <... restart_syscall resumed>) = 0 [pid 284] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./31/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1275] <... ioctl resumed>) = 0 [pid 1275] close(3) = 0 [pid 1275] close(4) = 0 [pid 1275] mkdir("./file4", 0777) = 0 [pid 1275] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1270] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1270] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1269] <... futex resumed>) = 0 [pid 1269] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1269] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1270] <... futex resumed>) = 1 [pid 1270] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1270] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1269] <... futex resumed>) = 0 [pid 1269] exit_group(0) = ? [pid 1270] <... futex resumed>) = ? [pid 1270] +++ exited with 0 +++ [pid 1269] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1269, si_uid=0, si_status=0, si_utime=9, si_stime=19} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 85.640727][ T1270] F2FS-fs (loop2): switch discard_unit option is not allowed [ 85.673884][ T1275] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 85.683690][ T1275] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [pid 285] umount2("./33/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1279] <... write resumed>) = 20699119 [pid 1279] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1279] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1279] ioctl(4, LOOP_SET_FD, 3 [pid 287] <... umount2 resumed>) = 0 [pid 1279] <... ioctl resumed>) = 0 [pid 287] umount2("./31/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1279] close(3 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1279] <... close resumed>) = 0 [pid 287] newfstatat(AT_FDCWD, "./31/file4", [pid 1279] close(4 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1279] <... close resumed>) = 0 [pid 1279] mkdir("./file4", 0777 [pid 287] umount2("./31/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1279] <... mkdir resumed>) = 0 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1279] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] openat(AT_FDCWD, "./31/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [ 85.729251][ T1275] F2FS-fs (loop3): fault_injection options not supported [ 85.751964][ T1275] F2FS-fs (loop3): fault_type options not supported [ 85.760117][ T1279] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 85.768180][ T1275] F2FS-fs (loop3): invalid crc value [pid 287] rmdir("./31/file4") = 0 [pid 287] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./31/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./31") = 0 [pid 287] mkdir("./32", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1292 ./strace-static-x86_64: Process 1292 attached [pid 1292] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1292] chdir("./32") = 0 [pid 1292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1292] setpgid(0, 0) = 0 [pid 1292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1292] write(3, "1000", 4) = 4 [pid 1292] close(3) = 0 [pid 1292] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1292] write(1, "executing program\n", 18) = 18 [pid 1292] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1292] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1292] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1292] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1296]}, 88) = 1296 [pid 1292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1292] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1292] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1296 attached [pid 1296] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1296] memfd_create("syzkaller", 0) = 3 [pid 1296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 85.773709][ T1279] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 85.782487][ T1279] F2FS-fs (loop0): fault_injection options not supported [ 85.789829][ T1279] F2FS-fs (loop0): fault_type options not supported [ 85.797567][ T1279] F2FS-fs (loop0): invalid crc value [ 85.806651][ T1275] F2FS-fs (loop3): Found nat_bits in checkpoint [ 85.823565][ T1279] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1275] <... mount resumed>) = 0 [pid 1275] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1275] chdir("./file4") = 0 [pid 1275] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1275] ioctl(4, LOOP_CLR_FD) = 0 [pid 1275] close(4) = 0 [ 85.866243][ T1275] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 85.873698][ T1275] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 1275] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1273] <... futex resumed>) = 0 [pid 1273] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1273] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1275] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1275] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1275] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1273] <... futex resumed>) = 0 [pid 1273] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1273] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1275] <... futex resumed>) = 0 [pid 1275] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1275] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1273] <... futex resumed>) = 0 [pid 1273] exit_group(0) = ? [pid 1275] +++ exited with 0 +++ [pid 1273] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1273, si_uid=0, si_status=0, si_utime=10, si_stime=17} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./34/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1279] <... mount resumed>) = 0 [pid 1279] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1279] chdir("./file4") = 0 [pid 1279] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1279] ioctl(4, LOOP_CLR_FD) = 0 [pid 1279] close(4 [pid 1296] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1279] <... close resumed>) = 0 [pid 1279] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1278] <... futex resumed>) = 0 [pid 1279] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1278] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1279] <... futex resumed>) = 0 [pid 1278] <... futex resumed>) = 1 [pid 1279] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 85.928075][ T1275] F2FS-fs (loop3): switch discard_unit option is not allowed [ 85.946197][ T1279] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 85.953273][ T1279] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 1278] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1279] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 284] <... umount2 resumed>) = 0 [pid 1279] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] umount2("./31/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1279] <... futex resumed>) = 1 [pid 1279] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1278] <... futex resumed>) = 0 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1278] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1279] <... futex resumed>) = 0 [pid 1278] <... futex resumed>) = 1 [pid 284] newfstatat(AT_FDCWD, "./31/file4", [pid 1279] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1278] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1279] <... symlink resumed>) = 0 [pid 284] umount2("./31/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1279] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1279] <... futex resumed>) = 1 [pid 284] openat(AT_FDCWD, "./31/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1279] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1278] <... futex resumed>) = 0 [pid 284] <... openat resumed>) = 4 [pid 284] newfstatat(4, "", [pid 1278] exit_group(0 [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1279] <... futex resumed>) = ? [pid 1278] <... exit_group resumed>) = ? [pid 284] getdents64(4, [pid 1279] +++ exited with 0 +++ [pid 1278] +++ exited with 0 +++ [pid 284] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1278, si_uid=0, si_status=0, si_utime=10, si_stime=18} --- [pid 284] rmdir("./31/file4" [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 284] <... rmdir resumed>) = 0 [pid 284] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./31/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./31") = 0 [pid 284] mkdir("./32", 0777) = 0 [pid 283] <... restart_syscall resumed>) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] close(3) = 0 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./32/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1299 [ 85.986893][ T1279] F2FS-fs (loop0): switch discard_unit option is not allowed executing program ./strace-static-x86_64: Process 1299 attached [pid 1299] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1299] chdir("./32") = 0 [pid 1299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1299] setpgid(0, 0) = 0 [pid 1299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1299] write(3, "1000", 4) = 4 [pid 1299] close(3) = 0 [pid 1299] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1299] write(1, "executing program\n", 18) = 18 [pid 1299] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1299] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1299] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1300]}, 88) = 1300 [pid 1299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1299] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1299] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1300 attached [pid 1300] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1300] memfd_create("syzkaller", 0) = 3 [pid 1300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./33/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./33/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./33/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./33/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./33/file4") = 0 [pid 285] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./33/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./33") = 0 [pid 285] mkdir("./34", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1296] <... write resumed>) = 20699119 [pid 1296] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1296] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 285] <... openat resumed>) = 3 [pid 285] ioctl(3, LOOP_CLR_FD [pid 1300] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./34/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./34/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./34/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./34/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./34/file4") = 0 [pid 286] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./34/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./34") = 0 [pid 286] mkdir("./35", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1296] <... openat resumed>) = 4 [pid 285] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1296] ioctl(4, LOOP_SET_FD, 3 [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1302 ./strace-static-x86_64: Process 1302 attached [pid 1296] <... ioctl resumed>) = 0 [pid 1302] set_robust_list(0x55557d22a6a0, 24 [pid 286] <... openat resumed>) = 3 [pid 1302] <... set_robust_list resumed>) = 0 [pid 1302] chdir("./34" [pid 1296] close(3 [pid 286] ioctl(3, LOOP_CLR_FD [pid 1302] <... chdir resumed>) = 0 [pid 1302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1296] <... close resumed>) = 0 [pid 286] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1302] <... prctl resumed>) = 0 [pid 1302] setpgid(0, 0 [pid 1296] close(4 [pid 286] close(3 [pid 1302] <... setpgid resumed>) = 0 [pid 1302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1296] <... close resumed>) = 0 [pid 286] <... close resumed>) = 0 [pid 1302] <... openat resumed>) = 3 [pid 1296] mkdir("./file4", 0777 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1302] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 1303 attached [pid 1302] close(3 [pid 1300] <... write resumed>) = 20699119 [pid 1296] <... mkdir resumed>) = 0 [pid 1302] <... close resumed>) = 0 [pid 1300] munmap(0x7fb73baf6000, 138412032 [pid 1303] set_robust_list(0x55557d22a6a0, 24 [pid 1302] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1296] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 1303 [pid 1302] write(1, "executing program\n", 18 [pid 1303] <... set_robust_list resumed>) = 0 [pid 1302] <... write resumed>) = 18 [pid 1300] <... munmap resumed>) = 0 [pid 1303] chdir("./35" [pid 1302] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1300] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1303] <... chdir resumed>) = 0 [pid 1302] <... futex resumed>) = 0 [pid 1303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1300] <... openat resumed>) = 4 [pid 1303] <... prctl resumed>) = 0 [pid 1302] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 1300] ioctl(4, LOOP_SET_FD, 3 [pid 1303] setpgid(0, 0 [pid 1302] <... rt_sigaction resumed>NULL, 8) = 0 [pid 1303] <... setpgid resumed>) = 0 [pid 1302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 1303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1303] <... openat resumed>) = 3 [pid 1302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 1303] write(3, "1000", 4 [pid 1302] <... mmap resumed>) = 0x7fb743ef6000 [pid 1300] <... ioctl resumed>) = 0 [pid 1303] <... write resumed>) = 4 [pid 1302] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 1300] close(3 [pid 1303] close(3 [pid 1302] <... mprotect resumed>) = 0 [pid 1303] <... close resumed>) = 0 [pid 1300] <... close resumed>) = 0 [pid 1303] symlink("/dev/binderfs", "./binderfs" [pid 1302] rt_sigprocmask(SIG_BLOCK, ~[], [pid 1300] close(4executing program [pid 1303] <... symlink resumed>) = 0 [pid 1302] <... rt_sigprocmask resumed>[], 8) = 0 [pid 1303] write(1, "executing program\n", 18 [pid 1302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 1303] <... write resumed>) = 18 [pid 1303] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1302] <... clone3 resumed> => {parent_tid=[1305]}, 88) = 1305 [pid 1303] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 1302] rt_sigprocmask(SIG_SETMASK, [], [pid 1303] <... rt_sigaction resumed>NULL, 8) = 0 [pid 1302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1303] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 1302] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1302] <... futex resumed>) = 0 [pid 1303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 1302] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1303] <... mmap resumed>) = 0x7fb743ef6000 [pid 1303] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1303] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1306]}, 88) = 1306 [pid 1303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1303] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1303] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1305 attached [pid 1305] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1305] memfd_create("syzkaller", 0) = 3 [pid 1305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 283] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 1306 attached [pid 283] umount2("./32/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1306] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1306] rt_sigprocmask(SIG_SETMASK, [], [pid 283] newfstatat(AT_FDCWD, "./32/file4", [pid 1306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1306] memfd_create("syzkaller", 0 [ 86.226445][ T1296] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 86.243382][ T1296] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 86.262746][ T1296] F2FS-fs (loop4): fault_injection options not supported [ 86.270072][ T1296] F2FS-fs (loop4): fault_type options not supported [pid 283] umount2("./32/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1300] <... close resumed>) = 0 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1306] <... memfd_create resumed>) = 3 [pid 283] openat(AT_FDCWD, "./32/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 283] <... openat resumed>) = 4 [pid 1306] <... mmap resumed>) = 0x7fb73baf6000 [pid 283] newfstatat(4, "", [pid 1300] mkdir("./file4", 0777 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 1300] <... mkdir resumed>) = 0 [pid 1300] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./32/file4") = 0 [pid 283] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./32/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./32") = 0 [pid 283] mkdir("./33", 0777) = 0 [ 86.277829][ T1296] F2FS-fs (loop4): invalid crc value [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1309 ./strace-static-x86_64: Process 1309 attached [pid 1309] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1309] chdir("./33") = 0 [pid 1309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1309] setpgid(0, 0) = 0 [pid 1309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1309] write(3, "1000", 4) = 4 [pid 1309] close(3) = 0 [pid 1309] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1309] write(1, "executing program\n", 18executing program ) = 18 [pid 1309] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1309] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1309] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0}./strace-static-x86_64: Process 1310 attached [pid 1310] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1310] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1309] <... clone3 resumed> => {parent_tid=[1310]}, 88) = 1310 [ 86.306567][ T1296] F2FS-fs (loop4): Found nat_bits in checkpoint [ 86.317601][ T1300] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 86.324592][ T1300] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [pid 1309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1309] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1310] <... futex resumed>) = 0 [pid 1310] memfd_create("syzkaller", 0) = 3 [pid 1310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1309] <... futex resumed>) = 1 [pid 1309] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 86.401783][ T1300] F2FS-fs (loop1): fault_injection options not supported [ 86.425761][ T1300] F2FS-fs (loop1): fault_type options not supported [ 86.433483][ T1300] F2FS-fs (loop1): invalid crc value [pid 1305] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1296] <... mount resumed>) = 0 [pid 1305] <... write resumed>) = 20699119 [pid 1305] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1305] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1305] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1305] close(3) = 0 [pid 1305] close(4) = 0 [pid 1305] mkdir("./file4", 0777) = 0 [ 86.451227][ T1296] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 86.458535][ T1300] F2FS-fs (loop1): Found nat_bits in checkpoint [ 86.475986][ T1296] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 1305] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1296] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1296] chdir("./file4") = 0 [pid 1296] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1296] ioctl(4, LOOP_CLR_FD) = 0 [pid 1296] close(4) = 0 [pid 1296] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1292] <... futex resumed>) = 0 [pid 1292] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1292] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1296] <... futex resumed>) = 1 [ 86.509023][ T1305] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 86.518129][ T1305] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [pid 1296] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1306] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1296] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1296] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1292] <... futex resumed>) = 0 [pid 1292] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1292] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1296] <... futex resumed>) = 1 [pid 1296] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1296] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1292] <... futex resumed>) = 0 [pid 1292] exit_group(0) = ? [pid 1296] <... futex resumed>) = ? [pid 1296] +++ exited with 0 +++ [pid 1292] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1292, si_uid=0, si_status=0, si_utime=11, si_stime=17} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 86.550060][ T1305] F2FS-fs (loop2): fault_injection options not supported [ 86.557840][ T1296] F2FS-fs (loop4): switch discard_unit option is not allowed [ 86.583837][ T1305] F2FS-fs (loop2): fault_type options not supported [pid 287] umount2("./32/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1306] <... write resumed>) = 20699119 [pid 1306] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1306] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1306] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1306] close(3) = 0 [pid 1306] close(4) = 0 [pid 1306] mkdir("./file4", 0777) = 0 [ 86.634064][ T1305] F2FS-fs (loop2): invalid crc value [ 86.643380][ T1306] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 86.651535][ T1300] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 86.660148][ T1306] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 86.667441][ T1300] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 86.668656][ T1306] F2FS-fs (loop3): fault_injection options not supported [pid 1306] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1300] <... mount resumed>) = 0 [pid 1300] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1300] chdir("./file4") = 0 [pid 1300] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1300] ioctl(4, LOOP_CLR_FD) = 0 [pid 1300] close(4) = 0 [pid 1300] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1299] <... futex resumed>) = 0 [ 86.683060][ T1306] F2FS-fs (loop3): fault_type options not supported [ 86.690961][ T1305] F2FS-fs (loop2): Found nat_bits in checkpoint [ 86.690989][ T1306] F2FS-fs (loop3): invalid crc value [ 86.709342][ T1306] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 1300] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1299] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1299] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1300] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1300] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1299] <... futex resumed>) = 0 [pid 1299] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1299] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1300] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1300] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1300] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1299] <... futex resumed>) = 0 [pid 1299] exit_group(0) = ? [pid 1300] <... futex resumed>) = ? [pid 1300] +++ exited with 0 +++ [pid 1299] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1299, si_uid=0, si_status=0, si_utime=5, si_stime=19} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 86.756218][ T1300] F2FS-fs (loop1): switch discard_unit option is not allowed [ 86.776962][ T1305] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 86.784058][ T1305] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 86.786170][ T1306] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [pid 284] umount2("./32/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1306] <... mount resumed>) = 0 [pid 1306] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 287] <... umount2 resumed>) = 0 [pid 1305] <... mount resumed>) = 0 [pid 287] umount2("./32/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1305] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1305] <... openat resumed>) = 3 [pid 287] newfstatat(AT_FDCWD, "./32/file4", [pid 1305] chdir("./file4" [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1305] <... chdir resumed>) = 0 [pid 287] umount2("./32/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1305] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1305] <... openat resumed>) = 4 [pid 287] openat(AT_FDCWD, "./32/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1305] ioctl(4, LOOP_CLR_FD) = 0 [pid 287] <... openat resumed>) = 4 [pid 1305] close(4 [pid 287] newfstatat(4, "", [pid 1310] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1305] <... close resumed>) = 0 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1306] <... openat resumed>) = 3 [ 86.804896][ T1306] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 1305] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1302] <... futex resumed>) = 0 [pid 1305] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1302] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1306] chdir("./file4" [pid 1302] <... futex resumed>) = 0 [pid 287] getdents64(4, [pid 1306] <... chdir resumed>) = 0 [pid 287] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 1306] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 287] getdents64(4, [pid 1302] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 287] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./32/file4" [pid 1305] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 287] <... rmdir resumed>) = 0 [pid 287] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./32/binderfs" [pid 1305] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... unlink resumed>) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./32" [pid 1302] <... futex resumed>) = 0 [pid 1302] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... rmdir resumed>) = 0 [pid 1302] <... futex resumed>) = 0 [pid 287] mkdir("./33", 0777 [pid 1302] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1305] <... futex resumed>) = 1 [pid 1305] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 287] <... mkdir resumed>) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1305] <... symlink resumed>) = 0 [pid 1305] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1302] <... futex resumed>) = 0 [pid 1302] exit_group(0) = ? [pid 1305] <... futex resumed>) = ? [pid 1305] +++ exited with 0 +++ [pid 1302] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1302, si_uid=0, si_status=0, si_utime=9, si_stime=19} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./34/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1306] <... openat resumed>) = 4 [pid 287] <... openat resumed>) = 3 [pid 1306] ioctl(4, LOOP_CLR_FD [pid 287] ioctl(3, LOOP_CLR_FD [pid 1306] <... ioctl resumed>) = 0 [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1306] close(4 [pid 287] close(3 [pid 1306] <... close resumed>) = 0 [pid 287] <... close resumed>) = 0 [pid 1306] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1306] <... futex resumed>) = 1 [pid 1303] <... futex resumed>) = 0 [pid 1306] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1303] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1303] <... futex resumed>) = 0 [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 1323 [pid 1306] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 86.854669][ T1305] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 1303] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 1323 attached [pid 1306] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1323] set_robust_list(0x55557d22a6a0, 24 [pid 1306] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1323] <... set_robust_list resumed>) = 0 [pid 1306] <... futex resumed>) = 1 [pid 1303] <... futex resumed>) = 0 [pid 1323] chdir("./33" [pid 1306] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1303] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1323] <... chdir resumed>) = 0 [pid 1323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1306] <... symlink resumed>) = 0 [pid 1303] <... futex resumed>) = 0 [pid 1323] <... prctl resumed>) = 0 [pid 1306] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1303] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1323] setpgid(0, 0 [pid 1306] <... futex resumed>) = 0 [pid 1303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1323] <... setpgid resumed>) = 0 [pid 1306] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1303] exit_group(0 [pid 1323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1306] <... futex resumed>) = ? [pid 1303] <... exit_group resumed>) = ? [pid 1323] <... openat resumed>) = 3 [pid 1306] +++ exited with 0 +++ [pid 1303] +++ exited with 0 +++ [pid 1323] write(3, "1000", 4) = 4 [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1303, si_uid=0, si_status=0, si_utime=8, si_stime=19} --- [pid 1323] close(3 [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 1323] <... close resumed>) = 0 [pid 1323] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1323] write(1, "executing program\n", 18) = 18 [pid 1323] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1323] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1323] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1324]}, 88) = 1324 [pid 1323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1323] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1323] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 286] <... restart_syscall resumed>) = 0 [pid 286] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 1324 attached [pid 1310] <... write resumed>) = 20699119 [pid 1324] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1310] munmap(0x7fb73baf6000, 138412032 [pid 286] getdents64(3, [pid 1324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 286] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./35/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1324] memfd_create("syzkaller", 0 [pid 1310] <... munmap resumed>) = 0 [pid 1324] <... memfd_create resumed>) = 3 [pid 1310] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1310] <... openat resumed>) = 4 [pid 1310] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1310] close(3) = 0 [pid 1310] close(4) = 0 [pid 1310] mkdir("./file4", 0777) = 0 [ 86.895184][ T1306] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 1310] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./32/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./32/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./32/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./32/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./32/file4") = 0 [pid 284] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./32/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./32") = 0 [pid 284] mkdir("./33", 0777) = 0 [ 86.949971][ T1310] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 86.967337][ T1310] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 86.978325][ T1310] F2FS-fs (loop0): fault_injection options not supported [ 86.985407][ T1310] F2FS-fs (loop0): fault_type options not supported [ 87.022000][ T1310] F2FS-fs (loop0): invalid crc value [ 87.028544][ T1310] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1328 ./strace-static-x86_64: Process 1328 attached [pid 1328] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1328] chdir("./33") = 0 [pid 1328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1328] setpgid(0, 0) = 0 [pid 1328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1328] write(3, "1000", 4) = 4 [pid 1328] close(3) = 0 [pid 1328] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1328] write(1, "executing program\n", 18executing program ) = 18 [pid 1328] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1328] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1328] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1328] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1329]}, 88) = 1329 [pid 1328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1328] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1328] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1324] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./34/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 1329 attached [pid 1329] set_robust_list(0x7fb743f169a0, 24 [pid 285] newfstatat(AT_FDCWD, "./34/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./34/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./34/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./34/file4") = 0 [pid 285] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./34/binderfs") = 0 [pid 285] getdents64(3, [pid 1329] <... set_robust_list resumed>) = 0 [pid 1329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 285] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 1329] memfd_create("syzkaller", 0) = 3 [pid 1329] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 285] close(3) = 0 [pid 285] rmdir("./34") = 0 [pid 285] mkdir("./35", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1331 ./strace-static-x86_64: Process 1331 attached [pid 1331] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1331] chdir("./35") = 0 [pid 1331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1331] setpgid(0, 0) = 0 [pid 1331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1331] write(3, "1000", 4) = 4 [pid 1331] close(3) = 0 executing program [pid 1331] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1331] write(1, "executing program\n", 18) = 18 [pid 1331] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1331] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1331] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1331] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1332]}, 88) = 1332 [pid 1331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1331] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1331] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1332 attached [pid 1332] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1332] memfd_create("syzkaller", 0) = 3 [pid 1332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1310] <... mount resumed>) = 0 [pid 1310] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1310] chdir("./file4") = 0 [pid 1310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1310] ioctl(4, LOOP_CLR_FD) = 0 [pid 1310] close(4) = 0 [pid 1310] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1309] <... futex resumed>) = 0 [pid 1310] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1309] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1310] <... futex resumed>) = 0 [pid 1309] <... futex resumed>) = 1 [pid 1310] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 87.127951][ T1310] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 87.145972][ T1310] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 1309] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1310] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1310] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1310] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1309] <... futex resumed>) = 0 [pid 1309] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1309] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1310] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1310] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1309] <... futex resumed>) = 0 [pid 1310] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1309] exit_group(0) = ? [pid 1310] <... futex resumed>) = ? [pid 1310] +++ exited with 0 +++ [pid 1309] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1309, si_uid=0, si_status=0, si_utime=8, si_stime=17} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 286] <... umount2 resumed>) = 0 [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./33/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] umount2("./35/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./35/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./35/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./35/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./35/file4") = 0 [pid 286] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./35/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./35") = 0 [pid 286] mkdir("./36", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [ 87.193659][ T1310] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1333 ./strace-static-x86_64: Process 1333 attached [pid 1333] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1333] chdir("./36") = 0 [pid 1333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1333] setpgid(0, 0) = 0 [pid 1333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1333] write(3, "1000", 4) = 4 [pid 1333] close(3) = 0 [pid 1333] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1333] write(1, "executing program\n", 18executing program ) = 18 [pid 1333] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1333] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1333] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1333] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1334]}, 88) = 1334 [pid 1333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1333] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1333] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1334 attached [pid 1334] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1334] memfd_create("syzkaller", 0) = 3 [pid 1334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1332] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1324] <... write resumed>) = 20699119 [pid 1324] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1324] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1324] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1324] close(3) = 0 [pid 1324] close(4 [pid 1329] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1324] <... close resumed>) = 0 [pid 1324] mkdir("./file4", 0777) = 0 [ 87.419533][ T1324] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 87.437158][ T1324] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 87.456811][ T1324] F2FS-fs (loop4): fault_injection options not supported [pid 1324] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1332] <... write resumed>) = 20699119 [pid 1332] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1332] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1332] ioctl(4, LOOP_SET_FD, 3 [pid 283] <... umount2 resumed>) = 0 [pid 1332] <... ioctl resumed>) = 0 [pid 1332] close(3) = 0 [pid 1332] close(4 [pid 283] umount2("./33/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./33/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./33/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./33/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./33/file4") = 0 [pid 283] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./33/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [ 87.463895][ T1324] F2FS-fs (loop4): fault_type options not supported [pid 283] rmdir("./33") = 0 [pid 283] mkdir("./34", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1329] <... write resumed>) = 20699119 [pid 1329] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1329] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1332] <... close resumed>) = 0 [pid 283] <... openat resumed>) = 3 [pid 1332] mkdir("./file4", 0777 [pid 1329] <... openat resumed>) = 4 [pid 283] ioctl(3, LOOP_CLR_FD [pid 1332] <... mkdir resumed>) = 0 [pid 1329] ioctl(4, LOOP_SET_FD, 3 [pid 283] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 283] close(3 [pid 1332] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1329] <... ioctl resumed>) = 0 [pid 283] <... close resumed>) = 0 [pid 1329] close(3 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1329] <... close resumed>) = 0 [pid 1329] close(4 [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 1340 ./strace-static-x86_64: Process 1340 attached [pid 1340] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1340] chdir("./34") = 0 [pid 1340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1340] setpgid(0, 0) = 0 [pid 1340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1340] write(3, "1000", 4) = 4 [pid 1340] close(3) = 0 [pid 1340] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1340] write(1, "executing program\n", 18) = 18 [pid 1340] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1340] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1340] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1340] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1341]}, 88) = 1341 [pid 1340] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1340] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 87.515938][ T1324] F2FS-fs (loop4): invalid crc value [ 87.527229][ T1324] F2FS-fs (loop4): Found nat_bits in checkpoint [ 87.542428][ T1332] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [pid 1340] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1329] <... close resumed>) = 0 ./strace-static-x86_64: Process 1341 attached [pid 1334] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1329] mkdir("./file4", 0777) = 0 [pid 1329] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1341] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1341] memfd_create("syzkaller", 0) = 3 [pid 1341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 87.565821][ T1332] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 87.578681][ T1332] F2FS-fs (loop2): fault_injection options not supported [ 87.607586][ T1332] F2FS-fs (loop2): fault_type options not supported [ 87.624597][ T1329] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [pid 1334] <... write resumed>) = 20699119 [pid 1334] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1334] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1334] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1334] close(3) = 0 [pid 1334] close(4) = 0 [pid 1334] mkdir("./file4", 0777) = 0 [pid 1334] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1324] <... mount resumed>) = 0 [pid 1324] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [ 87.656779][ T1329] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 87.666118][ T1332] F2FS-fs (loop2): invalid crc value [ 87.671580][ T1324] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 87.680719][ T1324] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 87.690147][ T1329] F2FS-fs (loop1): fault_injection options not supported [ 87.698446][ T1332] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 1324] chdir("./file4") = 0 [pid 1324] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1324] ioctl(4, LOOP_CLR_FD) = 0 [pid 1324] close(4) = 0 [pid 1324] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1324] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1323] <... futex resumed>) = 0 [pid 1323] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1324] <... futex resumed>) = 0 [pid 1323] <... futex resumed>) = 1 [pid 1323] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1324] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1324] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1323] <... futex resumed>) = 0 [pid 1323] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1323] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1324] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1324] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1323] <... futex resumed>) = 0 [pid 1323] exit_group(0) = ? [pid 1324] +++ exited with 0 +++ [pid 1323] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1323, si_uid=0, si_status=0, si_utime=8, si_stime=17} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 87.699754][ T1329] F2FS-fs (loop1): fault_type options not supported [ 87.705983][ T1334] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 87.721158][ T1329] F2FS-fs (loop1): invalid crc value [ 87.728073][ T1324] F2FS-fs (loop4): switch discard_unit option is not allowed [ 87.743298][ T1334] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 87.755692][ T1334] F2FS-fs (loop3): fault_injection options not supported [ 87.763579][ T1329] F2FS-fs (loop1): Found nat_bits in checkpoint [ 87.764070][ T1334] F2FS-fs (loop3): fault_type options not supported [ 87.793946][ T1334] F2FS-fs (loop3): invalid crc value [pid 287] umount2("./33/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1332] <... mount resumed>) = 0 [pid 1332] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1332] chdir("./file4") = 0 [pid 1332] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1332] ioctl(4, LOOP_CLR_FD) = 0 [pid 1332] close(4) = 0 [ 87.836111][ T1334] F2FS-fs (loop3): Found nat_bits in checkpoint [ 87.845961][ T1332] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 87.853237][ T1332] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 1332] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1331] <... futex resumed>) = 0 [pid 1332] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1331] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1331] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1332] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1332] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1331] <... futex resumed>) = 0 [pid 1331] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1331] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1332] <... futex resumed>) = 1 [pid 1332] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1341] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1332] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1331] <... futex resumed>) = 0 [pid 1331] exit_group(0) = ? [pid 1332] <... futex resumed>) = ? [pid 1332] +++ exited with 0 +++ [pid 1331] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1331, si_uid=0, si_status=0, si_utime=11, si_stime=13} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./35/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1329] <... mount resumed>) = 0 [pid 1329] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1329] chdir("./file4") = 0 [ 87.878292][ T1332] F2FS-fs (loop2): switch discard_unit option is not allowed [ 87.896251][ T1329] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 87.912405][ T1329] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 1329] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1329] ioctl(4, LOOP_CLR_FD) = 0 [pid 1329] close(4) = 0 [pid 1329] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1328] <... futex resumed>) = 0 [pid 1329] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1328] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1329] <... futex resumed>) = 0 [pid 1328] <... futex resumed>) = 1 [pid 1329] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1328] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1329] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1334] <... mount resumed>) = 0 [pid 1334] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1334] chdir("./file4") = 0 [pid 1334] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1334] ioctl(4, LOOP_CLR_FD) = 0 [pid 1334] close(4) = 0 [pid 1334] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1333] <... futex resumed>) = 0 [pid 1333] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1333] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1334] <... futex resumed>) = 1 [ 87.946018][ T1334] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 87.953100][ T1334] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 87.976516][ T1329] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 1334] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1329] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1328] <... futex resumed>) = 0 [pid 1329] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1328] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1329] <... futex resumed>) = 0 [pid 1328] <... futex resumed>) = 1 [pid 1329] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1328] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1329] <... symlink resumed>) = 0 [pid 1329] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1329] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1328] <... futex resumed>) = 0 [pid 1328] exit_group(0 [pid 1329] <... futex resumed>) = ? [pid 1328] <... exit_group resumed>) = ? [pid 1329] +++ exited with 0 +++ [pid 1328] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1328, si_uid=0, si_status=0, si_utime=10, si_stime=17} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./33/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1341] <... write resumed>) = 20699119 [pid 1334] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1341] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1334] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1341] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1334] <... futex resumed>) = 1 [pid 1333] <... futex resumed>) = 0 [pid 1334] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1333] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1334] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1333] <... futex resumed>) = 0 [ 87.991625][ T1334] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 1333] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1334] <... symlink resumed>) = 0 [pid 1334] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1333] <... futex resumed>) = 0 [pid 1334] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1333] exit_group(0 [pid 1334] <... futex resumed>) = ? [pid 1333] <... exit_group resumed>) = ? [pid 1334] +++ exited with 0 +++ [pid 1333] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1333, si_uid=0, si_status=0, si_utime=10, si_stime=22} --- [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./33/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./33/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./33/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./33/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./33/file4") = 0 [pid 287] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./33/binderfs" [pid 286] <... restart_syscall resumed>) = 0 [pid 286] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./36/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] <... unlink resumed>) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./33") = 0 [pid 287] mkdir("./34", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1341] <... openat resumed>) = 4 [pid 1341] ioctl(4, LOOP_SET_FD, 3 [pid 287] <... openat resumed>) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1353 [pid 1341] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 1353 attached [pid 1353] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1353] chdir("./34") = 0 [pid 1353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1353] setpgid(0, 0) = 0 [pid 1353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1353] write(3, "1000", 4) = 4 [pid 1353] close(3) = 0 [pid 1353] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1353] write(1, "executing program\n", 18executing program ) = 18 [pid 1353] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1353] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1353] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1341] close(3 [pid 1353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1355]}, 88) = 1355 [pid 1353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1353] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1353] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1341] <... close resumed>) = 0 [pid 1341] close(4) = 0 [pid 1341] mkdir("./file4", 0777) = 0 [pid 1341] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"..../strace-static-x86_64: Process 1355 attached [pid 1355] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1355] memfd_create("syzkaller", 0) = 3 [pid 1355] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./35/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./35/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./35/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./35/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./35/file4") = 0 [pid 285] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./35/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./35") = 0 [pid 285] mkdir("./36", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1357 ./strace-static-x86_64: Process 1357 attached [pid 1357] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1357] chdir("./36") = 0 [pid 1357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1357] setpgid(0, 0) = 0 [pid 1357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1357] write(3, "1000", 4) = 4 [pid 1357] close(3) = 0 [pid 1357] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1357] write(1, "executing program\n", 18) = 18 [pid 1357] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1357] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1357] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 88.116038][ T1341] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 88.123128][ T1341] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 88.141887][ T1341] F2FS-fs (loop0): fault_injection options not supported [ 88.149810][ T1341] F2FS-fs (loop0): fault_type options not supported [ 88.157591][ T1341] F2FS-fs (loop0): invalid crc value [pid 1357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1357] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1357] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1359]}, 88) = 1359 [pid 1357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1357] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1357] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1359 attached [pid 1359] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1359] memfd_create("syzkaller", 0) = 3 [pid 1359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 88.180472][ T1341] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1355] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./33/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./33/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./33/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./33/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./33/file4") = 0 [pid 284] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./33/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./33") = 0 [pid 284] mkdir("./34", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1360 ./strace-static-x86_64: Process 1360 attached [pid 1360] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1360] chdir("./34") = 0 [pid 1360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1360] setpgid(0, 0) = 0 [pid 1360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1360] write(3, "1000", 4) = 4 [pid 1360] close(3) = 0 [pid 1360] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1360] write(1, "executing program\n", 18executing program ) = 18 [pid 1360] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1360] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1360] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1360] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1360] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1361]}, 88) = 1361 [pid 1360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1360] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1360] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1361 attached [pid 1361] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1361] memfd_create("syzkaller", 0) = 3 [pid 1361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./36/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./36/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./36/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./36/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./36/file4") = 0 [pid 286] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./36/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./36") = 0 [pid 286] mkdir("./37", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1363 [pid 1341] <... mount resumed>) = 0 [pid 1341] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1341] chdir("./file4"./strace-static-x86_64: Process 1363 attached [pid 1363] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1363] chdir("./37") = 0 [pid 1363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1363] setpgid(0, 0) = 0 [pid 1363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1363] write(3, "1000", 4) = 4 [pid 1363] close(3) = 0 [pid 1363] symlink("/dev/binderfs", "./binderfs" [pid 1341] <... chdir resumed>) = 0 [pid 1363] <... symlink resumed>) = 0 executing program [pid 1363] write(1, "executing program\n", 18) = 18 [pid 1363] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1363] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1363] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1363] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 1341] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1363] <... clone3 resumed> => {parent_tid=[1364]}, 88) = 1364 [pid 1363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1363] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1363] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1341] <... openat resumed>) = 4 [pid 1341] ioctl(4, LOOP_CLR_FD) = 0 [pid 1341] close(4) = 0 [pid 1341] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1340] <... futex resumed>) = 0 [pid 1340] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 88.349027][ T1341] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 88.360506][ T1341] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 1340] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1341] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL./strace-static-x86_64: Process 1364 attached [pid 1364] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1364] memfd_create("syzkaller", 0) = 3 [pid 1364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1341] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1341] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1340] <... futex resumed>) = 0 [pid 1359] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1340] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1340] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1341] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1341] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1340] <... futex resumed>) = 0 [pid 1341] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1340] exit_group(0 [pid 1341] <... futex resumed>) = ? [pid 1340] <... exit_group resumed>) = ? [pid 1341] +++ exited with 0 +++ [pid 1340] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1340, si_uid=0, si_status=0, si_utime=10, si_stime=18} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 1355] <... write resumed>) = 20699119 [pid 1355] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1355] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1355] ioctl(4, LOOP_SET_FD, 3 [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./34/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1355] <... ioctl resumed>) = 0 [pid 1355] close(3) = 0 [pid 1355] close(4) = 0 [pid 1355] mkdir("./file4", 0777) = 0 [ 88.410193][ T1341] F2FS-fs (loop0): switch discard_unit option is not allowed [ 88.470165][ T1355] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 88.487334][ T1355] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 88.496142][ T1355] F2FS-fs (loop4): fault_injection options not supported [ 88.503202][ T1355] F2FS-fs (loop4): fault_type options not supported [ 88.511013][ T1355] F2FS-fs (loop4): invalid crc value [pid 1355] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1359] <... write resumed>) = 20699119 [pid 1359] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1359] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1359] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1359] close(3) = 0 [pid 1359] close(4) = 0 [pid 1359] mkdir("./file4", 0777) = 0 [ 88.558711][ T1355] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 1359] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 88.608891][ T1359] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 88.626341][ T1359] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 88.636684][ T1359] F2FS-fs (loop2): fault_injection options not supported [ 88.643764][ T1359] F2FS-fs (loop2): fault_type options not supported [pid 1361] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 1361] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1361] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1361] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1361] close(3) = 0 [pid 1361] close(4) = 0 [pid 1361] mkdir("./file4", 0777) = 0 [pid 1361] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1355] <... mount resumed>) = 0 [pid 1355] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1355] chdir("./file4") = 0 [pid 1355] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1355] ioctl(4, LOOP_CLR_FD) = 0 [pid 1355] close(4) = 0 [pid 1355] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1353] <... futex resumed>) = 0 [pid 1353] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1353] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 88.661270][ T1355] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 88.681357][ T1355] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 88.695525][ T1359] F2FS-fs (loop2): invalid crc value [ 88.704344][ T1361] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [pid 1355] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1355] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1353] <... futex resumed>) = 0 [pid 1353] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1353] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1355] <... futex resumed>) = 1 [pid 1355] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1355] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1353] <... futex resumed>) = 0 [pid 1353] exit_group(0) = ? [pid 1355] <... futex resumed>) = ? [pid 1355] +++ exited with 0 +++ [pid 1353] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1353, si_uid=0, si_status=0, si_utime=8, si_stime=20} --- [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./34/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] <... restart_syscall resumed>) = 0 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./34/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] umount2("./34/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 283] openat(AT_FDCWD, "./34/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 287] <... openat resumed>) = 3 [pid 283] <... openat resumed>) = 4 [pid 287] newfstatat(3, "", [pid 283] newfstatat(4, "", [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, [pid 283] getdents64(4, [pid 287] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] umount2("./34/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./34/file4") = 0 [pid 283] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./34/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./34") = 0 [pid 283] mkdir("./35", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1373 [ 88.717622][ T1355] F2FS-fs (loop4): switch discard_unit option is not allowed [ 88.740674][ T1361] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [pid 1364] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 1373 attached [pid 1373] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1373] chdir("./35") = 0 [pid 1373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1373] setpgid(0, 0) = 0 [pid 1373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1373] write(3, "1000", 4) = 4 [pid 1373] close(3) = 0 [pid 1373] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1373] write(1, "executing program\n", 18executing program ) = 18 [pid 1373] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1373] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1373] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1373] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1374]}, 88) = 1374 [pid 1373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1373] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1373] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1374 attached [pid 1374] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1374] memfd_create("syzkaller", 0) = 3 [pid 1374] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 88.771415][ T1359] F2FS-fs (loop2): Found nat_bits in checkpoint [ 88.772269][ T1361] F2FS-fs (loop1): fault_injection options not supported [ 88.800470][ T1361] F2FS-fs (loop1): fault_type options not supported [ 88.830683][ T1361] F2FS-fs (loop1): invalid crc value [pid 1364] <... write resumed>) = 20699119 [pid 1364] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1364] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1364] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1364] close(3) = 0 [pid 1364] close(4) = 0 [pid 1364] mkdir("./file4", 0777) = 0 [ 88.856461][ T1361] F2FS-fs (loop1): Found nat_bits in checkpoint [ 88.884448][ T1359] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 88.896312][ T1359] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 1364] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1359] <... mount resumed>) = 0 [pid 1359] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1359] chdir("./file4") = 0 [pid 1359] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1359] ioctl(4, LOOP_CLR_FD) = 0 [pid 1359] close(4) = 0 [pid 1359] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1357] <... futex resumed>) = 0 [pid 1357] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1357] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1359] <... futex resumed>) = 1 [pid 1359] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1359] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1357] <... futex resumed>) = 0 [pid 1357] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1357] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1359] <... futex resumed>) = 1 [pid 1359] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1359] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1357] <... futex resumed>) = 0 [pid 1357] exit_group(0) = ? [ 88.919480][ T1364] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 88.925797][ T1361] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 88.933806][ T1364] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 88.938922][ T1361] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 88.951942][ T1359] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 1359] <... futex resumed>) = ? [pid 1359] +++ exited with 0 +++ [pid 1357] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1357, si_uid=0, si_status=0, si_utime=6, si_stime=16} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./36/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1361] <... mount resumed>) = 0 [pid 1361] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1361] chdir("./file4") = 0 [pid 1361] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1361] ioctl(4, LOOP_CLR_FD) = 0 [pid 1361] close(4) = 0 [pid 1361] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1360] <... futex resumed>) = 0 [pid 1360] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1360] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1361] <... futex resumed>) = 1 [ 88.975219][ T1364] F2FS-fs (loop3): fault_injection options not supported [pid 1361] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1374] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1361] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1361] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1360] <... futex resumed>) = 0 [pid 1361] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1360] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1361] <... futex resumed>) = 0 [pid 1360] <... futex resumed>) = 1 [pid 1361] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1360] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1361] <... symlink resumed>) = 0 [pid 1361] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1360] <... futex resumed>) = 0 [pid 1361] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1360] exit_group(0 [pid 1361] <... futex resumed>) = ? [pid 1360] <... exit_group resumed>) = ? [pid 1361] +++ exited with 0 +++ [pid 1360] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1360, si_uid=0, si_status=0, si_utime=9, si_stime=19} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./34/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./34/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./34/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./34/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./34/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./34/file4") = 0 [pid 287] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./34/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./34") = 0 [pid 287] mkdir("./35", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 89.017139][ T1361] F2FS-fs (loop1): switch discard_unit option is not allowed [ 89.018122][ T1364] F2FS-fs (loop3): fault_type options not supported [ 89.055264][ T1364] F2FS-fs (loop3): invalid crc value [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1382 ./strace-static-x86_64: Process 1382 attached [pid 1382] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1382] chdir("./35") = 0 [pid 1382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1382] setpgid(0, 0) = 0 [pid 1382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1382] write(3, "1000", 4) = 4 [pid 1382] close(3) = 0 [pid 1382] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1382] write(1, "executing program\n", 18executing program ) = 18 [pid 1382] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1382] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1382] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1382] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1383]}, 88) = 1383 [pid 1382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1382] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1382] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1383 attached [pid 1383] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1383] memfd_create("syzkaller", 0) = 3 [pid 1383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 89.075377][ T1364] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 1374] <... write resumed>) = 20699119 [pid 1364] <... mount resumed>) = 0 [pid 1364] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1374] munmap(0x7fb73baf6000, 138412032 [pid 1364] <... openat resumed>) = 3 [pid 1374] <... munmap resumed>) = 0 [pid 1364] chdir("./file4") = 0 [pid 1364] openat(AT_FDCWD, "/dev/loop3", O_RDWR [ 89.155991][ T1364] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 89.163123][ T1364] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 1374] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1364] <... openat resumed>) = 4 [pid 1364] ioctl(4, LOOP_CLR_FD) = 0 [pid 1364] close(4 [pid 1374] <... openat resumed>) = 4 [pid 1364] <... close resumed>) = 0 [pid 1364] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1374] ioctl(4, LOOP_SET_FD, 3 [pid 1364] <... futex resumed>) = 1 [pid 1363] <... futex resumed>) = 0 [pid 1364] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1363] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1363] <... futex resumed>) = 0 [pid 1364] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1363] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1364] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1364] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1363] <... futex resumed>) = 0 [pid 1364] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1363] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1363] <... futex resumed>) = 0 [pid 1364] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1363] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1383] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1374] <... ioctl resumed>) = 0 [pid 1364] <... symlink resumed>) = 0 [pid 1374] close(3) = 0 [pid 1374] close(4) = 0 [pid 1374] mkdir("./file4", 0777) = 0 [pid 1364] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1374] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1364] <... futex resumed>) = 1 [pid 1363] <... futex resumed>) = 0 [pid 1364] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1363] exit_group(0) = ? [pid 1364] <... futex resumed>) = ? [pid 1364] +++ exited with 0 +++ [pid 1363] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1363, si_uid=0, si_status=0, si_utime=11, si_stime=20} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 89.225561][ T1364] F2FS-fs (loop3): switch discard_unit option is not allowed [ 89.256390][ T1374] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 89.263570][ T1374] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [pid 286] umount2("./37/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./36/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./36/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./36/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./36/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./36/file4") = 0 [pid 285] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./36/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./36") = 0 [ 89.286609][ T286] handle_bad_sector: 37 callbacks suppressed [ 89.286624][ T286] attempt to access beyond end of device [ 89.286624][ T286] loop3: rw=2049, want=45104, limit=40427 [pid 285] mkdir("./37", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3 [pid 1383] <... write resumed>) = 20699119 [pid 1383] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1383] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1383] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1383] close(3) = 0 [pid 1383] close(4) = 0 [pid 1383] mkdir("./file4", 0777 [pid 285] <... close resumed>) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1383] <... mkdir resumed>) = 0 [pid 1383] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 1389 [pid 284] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 1389 attached [pid 1389] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1389] chdir("./37") = 0 [pid 1389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1389] setpgid(0, 0) = 0 [pid 1389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1389] write(3, "1000", 4) = 4 [pid 1389] close(3 [pid 284] umount2("./34/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./34/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./34/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./34/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./34/file4") = 0 [pid 284] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1389] <... close resumed>) = 0 [pid 284] newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1389] symlink("/dev/binderfs", "./binderfs" [pid 284] unlink("./34/binderfs") = 0 [pid 1389] <... symlink resumed>) = 0 [pid 284] getdents64(3, [pid 1389] write(1, "executing program\n", 18 [pid 284] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 executing program [pid 1389] <... write resumed>) = 18 [pid 1389] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] close(3) = 0 [pid 284] rmdir("./34") = 0 [pid 1389] <... futex resumed>) = 0 [pid 1389] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1389] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1389] rt_sigprocmask(SIG_BLOCK, ~[], [pid 284] mkdir("./35", 0777) = 0 [pid 1389] <... rt_sigprocmask resumed>[], 8) = 0 [pid 1389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1390]}, 88) = 1390 [pid 1389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1389] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1389] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3./strace-static-x86_64: Process 1390 attached [pid 1390] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1390] memfd_create("syzkaller", 0) = 3 [pid 1390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 284] <... close resumed>) = 0 [ 89.334161][ T1374] F2FS-fs (loop0): fault_injection options not supported [ 89.341400][ T1374] F2FS-fs (loop0): fault_type options not supported [ 89.350472][ T1374] F2FS-fs (loop0): invalid crc value [ 89.360536][ T1383] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 89.368471][ T1374] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1391 attached [pid 1391] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1391] chdir("./35") = 0 [pid 1391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1391] setpgid(0, 0) = 0 [pid 1391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 284] <... clone resumed>, child_tidptr=0x55557d22a690) = 1391 [pid 1391] <... openat resumed>) = 3 [pid 1391] write(3, "1000", 4) = 4 [pid 1391] close(3) = 0 [pid 1391] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1391] write(1, "executing program\n", 18) = 18 [pid 1391] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1391] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1391] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1392]}, 88) = 1392 [pid 1391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1391] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1391] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1392 attached [pid 1392] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1392] memfd_create("syzkaller", 0) = 3 [pid 1392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 89.407964][ T1383] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 89.431210][ T1374] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [pid 1374] <... mount resumed>) = 0 [pid 1374] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1374] chdir("./file4") = 0 [pid 1374] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1374] ioctl(4, LOOP_CLR_FD) = 0 [ 89.456375][ T1383] F2FS-fs (loop4): fault_injection options not supported [ 89.463444][ T1383] F2FS-fs (loop4): fault_type options not supported [ 89.470623][ T1374] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 1374] close(4 [pid 1390] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1374] <... close resumed>) = 0 [pid 1374] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1373] <... futex resumed>) = 0 [pid 1373] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1373] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1374] <... futex resumed>) = 1 [pid 1374] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1374] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1373] <... futex resumed>) = 0 [pid 1373] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1373] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1374] <... futex resumed>) = 1 [pid 1374] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [ 89.520864][ T1374] F2FS-fs (loop0): switch discard_unit option is not allowed [ 89.526935][ T1383] F2FS-fs (loop4): invalid crc value [ 89.542559][ T1374] attempt to access beyond end of device [ 89.542559][ T1374] loop0: rw=2049, want=53256, limit=40427 [pid 1374] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1373] <... futex resumed>) = 0 [pid 1373] exit_group(0) = ? [pid 1374] <... futex resumed>) = ? [pid 1374] +++ exited with 0 +++ [pid 1373] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1373, si_uid=0, si_status=0, si_utime=8, si_stime=23} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./35/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1390] <... write resumed>) = 20699119 [pid 1390] munmap(0x7fb73baf6000, 138412032) = 0 [ 89.576038][ T1383] F2FS-fs (loop4): Found nat_bits in checkpoint [ 89.592115][ T283] attempt to access beyond end of device [ 89.592115][ T283] loop0: rw=2049, want=45104, limit=40427 [pid 1390] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1390] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1390] close(3 [pid 1383] <... mount resumed>) = 0 [pid 1390] <... close resumed>) = 0 [pid 1383] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1390] close(4) = 0 [pid 1383] <... openat resumed>) = 3 [pid 1390] mkdir("./file4", 0777 [pid 1383] chdir("./file4" [pid 1390] <... mkdir resumed>) = 0 [pid 1383] <... chdir resumed>) = 0 [pid 1390] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1383] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1383] ioctl(4, LOOP_CLR_FD) = 0 [pid 1383] close(4) = 0 [pid 1383] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1382] <... futex resumed>) = 0 [pid 1383] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1382] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1382] <... futex resumed>) = 0 [pid 1383] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 89.646190][ T1383] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 89.653428][ T1383] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 89.674764][ T1390] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [pid 1382] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1383] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./37/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1383] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1382] <... futex resumed>) = 0 [pid 1383] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1382] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1382] <... futex resumed>) = 0 [pid 1383] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1382] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./37/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./37/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./37/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./37/file4") = 0 [pid 286] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./37/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./37") = 0 [pid 286] mkdir("./38", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1383] <... symlink resumed>) = 0 [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 1398 [ 89.693053][ T1383] F2FS-fs (loop4): switch discard_unit option is not allowed [ 89.702834][ T1390] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 89.717267][ T1383] attempt to access beyond end of device [ 89.717267][ T1383] loop4: rw=2049, want=53256, limit=40427 [ 89.731721][ T1390] F2FS-fs (loop2): fault_injection options not supported [pid 1383] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1382] <... futex resumed>) = 0 [pid 1383] <... futex resumed>) = 1 ./strace-static-x86_64: Process 1398 attached [pid 1383] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1382] exit_group(0 [pid 1398] set_robust_list(0x55557d22a6a0, 24 [pid 1383] <... futex resumed>) = ? [pid 1398] <... set_robust_list resumed>) = 0 [pid 1382] <... exit_group resumed>) = ? [pid 1383] +++ exited with 0 +++ [pid 1382] +++ exited with 0 +++ [pid 1398] chdir("./38" [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1382, si_uid=0, si_status=0, si_utime=10, si_stime=17} --- [pid 1398] <... chdir resumed>) = 0 [pid 1398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 1398] <... prctl resumed>) = 0 [pid 1398] setpgid(0, 0) = 0 [pid 1398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1398] write(3, "1000", 4) = 4 [pid 1398] close(3) = 0 [pid 1398] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1398] write(1, "executing program\n", 18) = 18 [pid 1398] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1398] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1398] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1398] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1399]}, 88) = 1399 [pid 1398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1398] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1398] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1399 attached [pid 1399] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1399] memfd_create("syzkaller", 0) = 3 [pid 1399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 287] <... restart_syscall resumed>) = 0 [pid 287] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./35/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 89.752148][ T1390] F2FS-fs (loop2): fault_type options not supported [ 89.770650][ T287] attempt to access beyond end of device [ 89.770650][ T287] loop4: rw=2049, want=45104, limit=40427 [pid 1392] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./35/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./35/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./35/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./35/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./35/file4") = 0 [pid 283] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./35/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./35") = 0 [pid 283] mkdir("./36", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1401 ./strace-static-x86_64: Process 1401 attached [pid 1401] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1401] chdir("./36") = 0 [pid 1401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1401] setpgid(0, 0) = 0 [pid 1401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1401] write(3, "1000", 4) = 4 [pid 1401] close(3) = 0 [pid 1401] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1401] write(1, "executing program\n", 18) = 18 [pid 1401] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 0 [pid 1401] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1401] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1401] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1402]}, 88) = 1402 [pid 1401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1401] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 89.815786][ T1390] F2FS-fs (loop2): invalid crc value [pid 1401] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1402 attached [pid 1402] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1402] memfd_create("syzkaller", 0) = 3 [pid 1402] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 89.836556][ T1390] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 1390] <... mount resumed>) = 0 [pid 1390] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1390] chdir("./file4") = 0 [pid 1390] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1390] ioctl(4, LOOP_CLR_FD) = 0 [pid 1390] close(4 [pid 1392] <... write resumed>) = 20699119 [pid 1390] <... close resumed>) = 0 [pid 1390] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [ 89.947634][ T1390] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 89.954722][ T1390] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 1392] munmap(0x7fb73baf6000, 138412032 [pid 1390] <... futex resumed>) = 1 [pid 1389] <... futex resumed>) = 0 [pid 1389] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1389] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1390] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1392] <... munmap resumed>) = 0 [pid 1392] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1392] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1392] close(3) = 0 [pid 1392] close(4) = 0 [pid 1392] mkdir("./file4", 0777) = 0 [pid 1392] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1390] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1389] <... futex resumed>) = 0 [pid 1389] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1389] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 89.996132][ T1390] F2FS-fs (loop2): switch discard_unit option is not allowed [ 90.009152][ T1392] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 90.018135][ T1390] attempt to access beyond end of device [ 90.018135][ T1390] loop2: rw=2049, want=53256, limit=40427 [ 90.029507][ T1392] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 90.038253][ T1392] F2FS-fs (loop1): fault_injection options not supported [pid 1390] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./35/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1390] <... symlink resumed>) = 0 [pid 287] newfstatat(AT_FDCWD, "./35/file4", [pid 1390] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1389] <... futex resumed>) = 0 [pid 1389] exit_group(0 [pid 287] umount2("./35/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1389] <... exit_group resumed>) = ? [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./35/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, [pid 1399] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1390] +++ exited with 0 +++ [pid 1389] +++ exited with 0 +++ [pid 287] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1389, si_uid=0, si_status=0, si_utime=9, si_stime=22} --- [pid 287] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] close(4 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] <... close resumed>) = 0 [pid 287] rmdir("./35/file4" [pid 285] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 287] <... rmdir resumed>) = 0 [pid 285] <... openat resumed>) = 3 [pid 285] newfstatat(3, "", [pid 287] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, [pid 287] newfstatat(AT_FDCWD, "./35/binderfs", [pid 285] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./37/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] unlink("./35/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./35") = 0 [pid 287] mkdir("./36", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1407 ./strace-static-x86_64: Process 1407 attached [pid 1407] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1407] chdir("./36") = 0 [pid 1407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1407] setpgid(0, 0) = 0 [pid 1407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 1407] write(3, "1000", 4) = 4 [pid 1407] close(3) = 0 [pid 1407] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1407] write(1, "executing program\n", 18) = 18 [pid 1407] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1407] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1407] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1409]}, 88) = 1409 [pid 1407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1407] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1407] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1409 attached [pid 1409] set_robust_list(0x7fb743f169a0, 24) = 0 [ 90.045479][ T1392] F2FS-fs (loop1): fault_type options not supported [ 90.055267][ T1392] F2FS-fs (loop1): invalid crc value [ 90.065367][ T285] attempt to access beyond end of device [ 90.065367][ T285] loop2: rw=2049, want=45104, limit=40427 [pid 1409] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1409] memfd_create("syzkaller", 0) = 3 [pid 1409] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 90.110144][ T1392] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 1402] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1399] <... write resumed>) = 20699119 [pid 1399] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1399] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1399] ioctl(4, LOOP_SET_FD, 3 [pid 1392] <... mount resumed>) = 0 [pid 1392] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1392] chdir("./file4") = 0 [pid 1392] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1399] <... ioctl resumed>) = 0 [pid 1399] close(3) = 0 [ 90.179120][ T1392] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 90.195788][ T1392] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 1399] close(4) = 0 [pid 1392] <... openat resumed>) = 4 [pid 1399] mkdir("./file4", 0777 [pid 1392] ioctl(4, LOOP_CLR_FD [pid 1399] <... mkdir resumed>) = 0 [pid 1392] <... ioctl resumed>) = 0 [pid 1392] close(4 [pid 1399] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1402] <... write resumed>) = 20699119 [pid 1402] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1402] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./37/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./37/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./37/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./37/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./37/file4") = 0 [pid 285] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./37/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./37") = 0 [pid 285] mkdir("./38", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1402] <... openat resumed>) = 4 [pid 1392] <... close resumed>) = 0 [pid 1402] ioctl(4, LOOP_SET_FD, 3 [pid 1392] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1391] <... futex resumed>) = 0 [pid 1392] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1391] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1402] <... ioctl resumed>) = 0 [pid 1391] <... futex resumed>) = 0 [pid 1402] close(3 [pid 1391] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1402] <... close resumed>) = 0 [pid 1402] close(4 [pid 1392] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1392] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1391] <... futex resumed>) = 0 [pid 1391] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1391] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1392] <... futex resumed>) = 1 [pid 1392] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1392] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1391] <... futex resumed>) = 0 [pid 1391] exit_group(0) = ? [pid 1392] <... futex resumed>) = ? [pid 1392] +++ exited with 0 +++ [pid 1391] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1391, si_uid=0, si_status=0, si_utime=7, si_stime=18} --- [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 1409] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] <... restart_syscall resumed>) = 0 [pid 284] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 90.286550][ T1392] F2FS-fs (loop1): switch discard_unit option is not allowed [ 90.296974][ T1392] attempt to access beyond end of device [ 90.296974][ T1392] loop1: rw=2049, want=53256, limit=40427 [ 90.320249][ T284] attempt to access beyond end of device [ 90.320249][ T284] loop1: rw=2049, want=45104, limit=40427 [pid 284] umount2("./35/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1402] <... close resumed>) = 0 [pid 285] <... openat resumed>) = 3 [pid 1402] mkdir("./file4", 0777 [pid 285] ioctl(3, LOOP_CLR_FD [pid 1402] <... mkdir resumed>) = 0 [pid 285] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1402] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1413 ./strace-static-x86_64: Process 1413 attached [ 90.335074][ T1399] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 90.345004][ T1402] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 90.363293][ T1399] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 90.371833][ T1402] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [pid 1413] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1413] chdir("./38") = 0 [pid 1413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1413] setpgid(0, 0) = 0 [pid 1413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1413] write(3, "1000", 4) = 4 [pid 1413] close(3) = 0 [pid 1413] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1413] write(1, "executing program\n", 18executing program ) = 18 [pid 1413] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1413] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1413] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1414]}, 88) = 1414 [pid 1413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1413] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1413] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1414 attached [pid 1414] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1414] memfd_create("syzkaller", 0) = 3 [pid 1414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 90.380978][ T1399] F2FS-fs (loop3): fault_injection options not supported [ 90.390508][ T1402] F2FS-fs (loop0): fault_injection options not supported [ 90.425776][ T1399] F2FS-fs (loop3): fault_type options not supported [ 90.432519][ T1402] F2FS-fs (loop0): fault_type options not supported [ 90.456268][ T1399] F2FS-fs (loop3): invalid crc value [ 90.466222][ T1402] F2FS-fs (loop0): invalid crc value [pid 1409] <... write resumed>) = 20699119 [pid 1414] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1409] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1409] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 90.483515][ T1399] F2FS-fs (loop3): Found nat_bits in checkpoint [ 90.493709][ T1402] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1409] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1409] close(3) = 0 [pid 1409] close(4) = 0 [pid 1409] mkdir("./file4", 0777) = 0 [ 90.559206][ T1409] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 90.575796][ T1409] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 90.590879][ T1402] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 90.597800][ T1409] F2FS-fs (loop4): fault_injection options not supported [pid 1409] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1402] <... mount resumed>) = 0 [pid 1402] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 284] <... umount2 resumed>) = 0 [pid 1402] chdir("./file4" [pid 284] umount2("./35/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1402] <... chdir resumed>) = 0 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1402] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 284] newfstatat(AT_FDCWD, "./35/file4", [pid 1402] <... openat resumed>) = 4 [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1402] ioctl(4, LOOP_CLR_FD) = 0 [pid 284] umount2("./35/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1402] close(4 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1402] <... close resumed>) = 0 [pid 284] openat(AT_FDCWD, "./35/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1402] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... openat resumed>) = 4 [pid 1402] <... futex resumed>) = 1 [pid 1401] <... futex resumed>) = 0 [pid 1402] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 284] newfstatat(4, "", [pid 1402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1401] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1402] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1401] <... futex resumed>) = 0 [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1401] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 90.598337][ T1402] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 90.605118][ T1409] F2FS-fs (loop4): fault_type options not supported [ 90.620075][ T1409] F2FS-fs (loop4): invalid crc value [ 90.630651][ T1402] F2FS-fs (loop0): switch discard_unit option is not allowed [ 90.639579][ T1399] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 90.640238][ T1409] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./35/file4") = 0 [pid 284] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./35/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./35") = 0 [pid 284] mkdir("./36", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1402] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1402] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... clone resumed>, child_tidptr=0x55557d22a690) = 1424 [pid 1402] <... futex resumed>) = 1 [pid 1401] <... futex resumed>) = 0 [pid 1401] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1401] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1402] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1414] <... write resumed>) = 20699119 ./strace-static-x86_64: Process 1424 attached [pid 1414] munmap(0x7fb73baf6000, 138412032 [pid 1402] <... symlink resumed>) = 0 [pid 1399] <... mount resumed>) = 0 [pid 1424] set_robust_list(0x55557d22a6a0, 24 [pid 1414] <... munmap resumed>) = 0 [pid 1399] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1424] <... set_robust_list resumed>) = 0 [pid 1414] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1402] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1424] chdir("./36" [pid 1399] <... openat resumed>) = 3 [pid 1414] <... openat resumed>) = 4 [pid 1424] <... chdir resumed>) = 0 [pid 1401] <... futex resumed>) = 0 [pid 1399] chdir("./file4" [pid 1414] ioctl(4, LOOP_SET_FD, 3 [pid 1402] <... futex resumed>) = 1 [pid 1424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1401] exit_group(0 [pid 1399] <... chdir resumed>) = 0 [pid 1402] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1424] <... prctl resumed>) = 0 [pid 1402] <... futex resumed>) = ? [pid 1401] <... exit_group resumed>) = ? [pid 1399] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1424] setpgid(0, 0) = 0 [pid 1424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1414] <... ioctl resumed>) = 0 [pid 1399] <... openat resumed>) = 4 [pid 1399] ioctl(4, LOOP_CLR_FD [pid 1424] <... openat resumed>) = 3 [pid 1399] <... ioctl resumed>) = 0 [pid 1424] write(3, "1000", 4 [pid 1414] close(3 [pid 1424] <... write resumed>) = 4 [pid 1399] close(4 [pid 1414] <... close resumed>) = 0 [pid 1399] <... close resumed>) = 0 [pid 1402] +++ exited with 0 +++ [pid 1401] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1401, si_uid=0, si_status=0, si_utime=5, si_stime=23} --- [pid 1399] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1424] close(3) = 0 [pid 1414] close(4 [pid 1399] <... futex resumed>) = 1 [pid 1398] <... futex resumed>) = 0 [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 1424] symlink("/dev/binderfs", "./binderfs" [pid 1414] <... close resumed>) = 0 [pid 1399] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1398] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 283] <... restart_syscall resumed>) = 0 [pid 1424] <... symlink resumed>) = 0 [pid 1399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1398] <... futex resumed>) = 0 [pid 1424] write(1, "executing program\n", 18 [pid 1414] mkdir("./file4", 0777 [pid 1399] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 90.653071][ T1399] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 90.673612][ T1402] attempt to access beyond end of device [ 90.673612][ T1402] loop0: rw=2049, want=53256, limit=40427 [pid 1398] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1399] <... mount resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1424] <... write resumed>) = 18 [pid 283] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1414] <... mkdir resumed>) = 0 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1424] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1414] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1424] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 1399] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1399] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1398] <... futex resumed>) = 0 [pid 1424] <... rt_sigaction resumed>NULL, 8) = 0 [pid 1398] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 283] <... openat resumed>) = 3 [pid 1424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 1398] <... futex resumed>) = 1 [pid 283] newfstatat(3, "", [pid 1424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1398] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 1399] <... futex resumed>) = 0 [pid 1399] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1399] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1399] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 283] getdents64(3, [pid 1424] <... mmap resumed>) = 0x7fb743ef6000 [pid 1398] <... futex resumed>) = 0 [pid 1398] exit_group(0 [pid 1424] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1398] <... exit_group resumed>) = ? [pid 283] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 1399] <... futex resumed>) = ? [pid 1399] +++ exited with 0 +++ [pid 1424] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1427]}, 88) = 1427 [pid 1424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1424] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1424] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1398] +++ exited with 0 +++ [pid 283] umount2("./36/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1427 attached [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1398, si_uid=0, si_status=0, si_utime=8, si_stime=17} --- [pid 1427] set_robust_list(0x7fb743f169a0, 24 [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 1427] <... set_robust_list resumed>) = 0 [pid 286] <... restart_syscall resumed>) = 0 [pid 1427] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1427] memfd_create("syzkaller", 0 [pid 286] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1427] <... memfd_create resumed>) = 3 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 286] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1427] <... mmap resumed>) = 0x7fb73baf6000 [pid 286] <... openat resumed>) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 90.708191][ T1399] F2FS-fs (loop3): switch discard_unit option is not allowed [ 90.717253][ T1414] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 90.724507][ T1414] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 90.733321][ T1414] F2FS-fs (loop2): fault_injection options not supported [ 90.741153][ T1414] F2FS-fs (loop2): fault_type options not supported [ 90.748872][ T1409] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [pid 286] umount2("./38/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1409] <... mount resumed>) = 0 [pid 1409] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1409] chdir("./file4") = 0 [pid 1409] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1409] ioctl(4, LOOP_CLR_FD) = 0 [pid 1409] close(4) = 0 [pid 1409] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1407] <... futex resumed>) = 0 [pid 1409] <... futex resumed>) = 1 [pid 1407] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1407] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 90.759095][ T1414] F2FS-fs (loop2): invalid crc value [ 90.764558][ T1409] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 1409] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1409] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1407] <... futex resumed>) = 0 [pid 1409] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1407] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1407] <... futex resumed>) = 0 [pid 1409] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1407] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1409] <... symlink resumed>) = 0 [pid 1409] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1407] <... futex resumed>) = 0 [pid 1409] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1407] exit_group(0 [pid 1409] <... futex resumed>) = ? [pid 1407] <... exit_group resumed>) = ? [pid 1409] +++ exited with 0 +++ [pid 1407] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1407, si_uid=0, si_status=0, si_utime=10, si_stime=16} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 90.803254][ T1409] F2FS-fs (loop4): switch discard_unit option is not allowed [ 90.814601][ T1414] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 287] umount2("./36/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1414] <... mount resumed>) = 0 [pid 1414] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1414] chdir("./file4") = 0 [pid 1414] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./38/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./38/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./38/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./38/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./38/file4") = 0 [pid 286] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./38/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./38") = 0 [pid 286] mkdir("./39", 0777) = 0 [ 90.896122][ T1414] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 90.903385][ T1414] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1427] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1414] <... openat resumed>) = 4 [pid 1414] ioctl(4, LOOP_CLR_FD) = 0 [pid 1414] close(4) = 0 [pid 1414] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1413] <... futex resumed>) = 0 [pid 1414] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1413] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1414] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1413] <... futex resumed>) = 0 [pid 286] <... openat resumed>) = 3 [pid 1413] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 286] ioctl(3, LOOP_CLR_FD [pid 1414] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1413] <... futex resumed>) = 0 [pid 1413] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1413] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1414] <... futex resumed>) = 1 [pid 1414] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1414] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1413] <... futex resumed>) = 0 [pid 1413] exit_group(0) = ? [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 1431 [pid 1414] <... futex resumed>) = ? [pid 1414] +++ exited with 0 +++ [pid 1413] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1413, si_uid=0, si_status=0, si_utime=10, si_stime=15} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./38/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1431 attached [pid 1431] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1431] chdir("./39") = 0 [pid 1431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1431] setpgid(0, 0) = 0 [pid 1431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1431] write(3, "1000", 4) = 4 [pid 1431] close(3) = 0 [pid 1431] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1431] write(1, "executing program\n", 18executing program ) = 18 [pid 1431] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1431] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1431] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1432]}, 88) = 1432 [pid 1431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1431] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1431] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1432 attached [pid 1432] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1432] memfd_create("syzkaller", 0) = 3 [pid 1432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 90.967509][ T1414] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./36/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./36/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./36/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./36/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./36/file4") = 0 [pid 283] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./36/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./36") = 0 [pid 283] mkdir("./37", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1433 ./strace-static-x86_64: Process 1433 attached [pid 1433] set_robust_list(0x55557d22a6a0, 24) = 0 executing program [pid 1433] chdir("./37") = 0 [pid 1433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1433] setpgid(0, 0) = 0 [pid 1433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1433] write(3, "1000", 4) = 4 [pid 1433] close(3) = 0 [pid 1433] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1433] write(1, "executing program\n", 18) = 18 [pid 1433] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1433] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1433] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1433] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1434]}, 88) = 1434 [pid 1433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1433] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1433] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1434 attached [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./36/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1434] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1434] rt_sigprocmask(SIG_SETMASK, [], [pid 287] newfstatat(AT_FDCWD, "./36/file4", [pid 1434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./36/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1434] memfd_create("syzkaller", 0 [pid 287] openat(AT_FDCWD, "./36/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 1434] <... memfd_create resumed>) = 3 [pid 287] newfstatat(4, "", [pid 1434] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1434] <... mmap resumed>) = 0x7fb73baf6000 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./36/file4") = 0 [pid 287] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./36/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./36") = 0 [pid 287] mkdir("./37", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1435 ./strace-static-x86_64: Process 1435 attached [pid 1435] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1435] chdir("./37") = 0 [pid 1435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1435] setpgid(0, 0) = 0 [pid 1435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1435] write(3, "1000", 4) = 4 [pid 1435] close(3) = 0 [pid 1435] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1435] write(1, "executing program\n", 18) = 18 [pid 1435] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1435] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1435] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1436]}, 88) = 1436 [pid 1435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1435] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1435] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1436 attached [pid 1436] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1436] memfd_create("syzkaller", 0) = 3 [pid 1436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1427] <... write resumed>) = 20699119 [pid 1427] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1427] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1427] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1427] close(3) = 0 [pid 1427] close(4) = 0 [pid 1427] mkdir("./file4", 0777) = 0 [ 91.194236][ T1427] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 91.211731][ T1427] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [pid 1427] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./38/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./38/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./38/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./38/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./38/file4") = 0 [pid 285] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 91.240814][ T1427] F2FS-fs (loop1): fault_injection options not supported [pid 285] unlink("./38/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./38") = 0 [pid 285] mkdir("./39", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1438 ./strace-static-x86_64: Process 1438 attached [pid 1438] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1438] chdir("./39") = 0 [pid 1438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1438] setpgid(0, 0) = 0 [pid 1438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1438] write(3, "1000", 4) = 4 [pid 1438] close(3) = 0 [pid 1438] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1438] write(1, "executing program\n", 18executing program ) = 18 [pid 1438] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1438] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1438] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1438] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1438] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1438] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 1436] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 1439 attached [pid 1438] <... clone3 resumed> => {parent_tid=[1439]}, 88) = 1439 [pid 1438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1438] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1438] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1439] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1439] memfd_create("syzkaller", 0) = 3 [pid 1439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 91.277047][ T1427] F2FS-fs (loop1): fault_type options not supported [ 91.325376][ T1427] F2FS-fs (loop1): invalid crc value [pid 1434] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [ 91.352219][ T1427] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 1432] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1427] <... mount resumed>) = 0 [pid 1436] <... write resumed>) = 20699119 [pid 1427] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1436] munmap(0x7fb73baf6000, 138412032 [pid 1427] <... openat resumed>) = 3 [pid 1427] chdir("./file4") = 0 [pid 1427] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1427] ioctl(4, LOOP_CLR_FD) = 0 [pid 1436] <... munmap resumed>) = 0 [pid 1427] close(4) = 0 [pid 1436] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1427] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1436] <... openat resumed>) = 4 [pid 1427] <... futex resumed>) = 1 [pid 1424] <... futex resumed>) = 0 [pid 1436] ioctl(4, LOOP_SET_FD, 3 [pid 1427] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1424] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1427] <... futex resumed>) = 0 [pid 1424] <... futex resumed>) = 1 [pid 1427] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1424] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1436] <... ioctl resumed>) = 0 [pid 1436] close(3) = 0 [pid 1436] close(4) = 0 [pid 1436] mkdir("./file4", 0777) = 0 [ 91.424547][ T1427] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 91.434642][ T1427] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 91.461986][ T1427] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 1436] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1427] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1427] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1424] <... futex resumed>) = 0 [pid 1424] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1424] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1427] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1427] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1427] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1424] <... futex resumed>) = 0 [pid 1424] exit_group(0) = ? [pid 1427] <... futex resumed>) = ? [pid 1427] +++ exited with 0 +++ [pid 1424] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1424, si_uid=0, si_status=0, si_utime=9, si_stime=23} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./36/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1434] <... write resumed>) = 20699119 [ 91.475532][ T1436] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 91.495786][ T1436] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 91.514643][ T1436] F2FS-fs (loop4): fault_injection options not supported [pid 1434] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1434] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1434] ioctl(4, LOOP_SET_FD, 3 [pid 1439] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1434] <... ioctl resumed>) = 0 [pid 1434] close(3) = 0 [pid 1434] close(4) = 0 [pid 1434] mkdir("./file4", 0777) = 0 [ 91.552482][ T1436] F2FS-fs (loop4): fault_type options not supported [ 91.581721][ T1436] F2FS-fs (loop4): invalid crc value [ 91.588748][ T1434] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [pid 1434] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1432] <... write resumed>) = 20699119 [pid 1432] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1432] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1432] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1432] close(3) = 0 [pid 1432] close(4) = 0 [pid 1432] mkdir("./file4", 0777) = 0 [pid 1432] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1439] <... write resumed>) = 20699119 [pid 1439] munmap(0x7fb73baf6000, 138412032) = 0 [ 91.605950][ T1434] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 91.630834][ T1436] F2FS-fs (loop4): Found nat_bits in checkpoint [ 91.640389][ T1432] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 91.642338][ T1434] F2FS-fs (loop0): fault_injection options not supported [pid 1439] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1439] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1439] close(3) = 0 [pid 1439] close(4) = 0 [pid 1439] mkdir("./file4", 0777) = 0 [ 91.656733][ T1434] F2FS-fs (loop0): fault_type options not supported [ 91.657575][ T1432] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 91.664492][ T1434] F2FS-fs (loop0): invalid crc value [ 91.671760][ T1432] F2FS-fs (loop3): fault_injection options not supported [ 91.683925][ T1432] F2FS-fs (loop3): fault_type options not supported [ 91.691721][ T1432] F2FS-fs (loop3): invalid crc value [ 91.698140][ T1434] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1439] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1436] <... mount resumed>) = 0 [pid 1436] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1436] chdir("./file4") = 0 [pid 1436] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1436] ioctl(4, LOOP_CLR_FD) = 0 [pid 1436] close(4) = 0 [pid 1436] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1435] <... futex resumed>) = 0 [pid 1435] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1435] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1436] <... futex resumed>) = 1 [ 91.725938][ T1439] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 91.732935][ T1439] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 91.735946][ T1436] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 91.745094][ T1432] F2FS-fs (loop3): Found nat_bits in checkpoint [ 91.757732][ T1436] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 91.764776][ T1439] F2FS-fs (loop2): fault_injection options not supported [pid 1436] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1436] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1435] <... futex resumed>) = 0 [pid 1436] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 1435] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1436] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1435] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1436] <... symlink resumed>) = 0 [pid 1436] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1435] <... futex resumed>) = 0 [pid 1436] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1435] exit_group(0 [pid 1436] <... futex resumed>) = ? [pid 1435] <... exit_group resumed>) = ? [pid 1436] +++ exited with 0 +++ [pid 1435] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1435, si_uid=0, si_status=0, si_utime=5, si_stime=19} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./37/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] <... umount2 resumed>) = 0 [ 91.770297][ T1436] F2FS-fs (loop4): switch discard_unit option is not allowed [ 91.784876][ T1439] F2FS-fs (loop2): fault_type options not supported [ 91.792879][ T1439] F2FS-fs (loop2): invalid crc value [ 91.813947][ T1439] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 284] umount2("./36/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./36/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./36/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./36/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./36/file4") = 0 [pid 284] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./36/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./36") = 0 [pid 284] mkdir("./37", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1457 ./strace-static-x86_64: Process 1457 attached [pid 1457] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1457] chdir("./37" [pid 1434] <... mount resumed>) = 0 [pid 1457] <... chdir resumed>) = 0 [pid 1434] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1434] <... openat resumed>) = 3 [pid 1457] setpgid(0, 0 [pid 1434] chdir("./file4" [pid 1457] <... setpgid resumed>) = 0 [pid 1457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1434] <... chdir resumed>) = 0 [pid 1457] <... openat resumed>) = 3 [pid 1434] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1457] write(3, "1000", 4) = 4 [pid 1457] close(3) = 0 [pid 1457] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1457] write(1, "executing program\n", 18executing program ) = 18 [pid 1457] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1457] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1457] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1457] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1457] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1458]}, 88) = 1458 [pid 1457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1457] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1457] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1458 attached [pid 1458] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1458] memfd_create("syzkaller", 0) = 3 [pid 1458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 91.832293][ T1434] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 91.839814][ T1434] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 1432] <... mount resumed>) = 0 [pid 1432] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1432] chdir("./file4") = 0 [pid 1432] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1439] <... mount resumed>) = 0 [pid 1439] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1439] chdir("./file4") = 0 [pid 1439] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1434] <... openat resumed>) = 4 [pid 1432] <... openat resumed>) = 4 [pid 1434] ioctl(4, LOOP_CLR_FD [pid 1432] ioctl(4, LOOP_CLR_FD [pid 1434] <... ioctl resumed>) = 0 [pid 1432] <... ioctl resumed>) = 0 [pid 1434] close(4 [pid 1432] close(4 [pid 1434] <... close resumed>) = 0 [pid 1432] <... close resumed>) = 0 [pid 1434] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1432] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1434] <... futex resumed>) = 1 [pid 1433] <... futex resumed>) = 0 [pid 1432] <... futex resumed>) = 1 [pid 1431] <... futex resumed>) = 0 [ 91.891163][ T1432] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 91.898789][ T1432] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 91.906031][ T1439] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 91.913540][ T1439] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 1433] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1434] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1433] <... futex resumed>) = 0 [pid 1432] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1431] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1433] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1431] <... futex resumed>) = 0 [pid 1431] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1432] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1439] <... openat resumed>) = 4 [pid 1439] ioctl(4, LOOP_CLR_FD) = 0 [pid 1439] close(4) = 0 [pid 1439] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1438] <... futex resumed>) = 0 [pid 1438] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1438] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1439] <... futex resumed>) = 1 [pid 1439] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1434] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1434] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1432] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1434] <... futex resumed>) = 1 [pid 1431] <... futex resumed>) = 0 [pid 1431] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1431] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1434] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1432] <... futex resumed>) = 1 [pid 1433] <... futex resumed>) = 0 [pid 1432] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1433] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1434] <... futex resumed>) = 0 [pid 1434] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1433] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1434] <... symlink resumed>) = 0 [pid 1432] <... symlink resumed>) = 0 [pid 1434] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1434] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1432] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1431] <... futex resumed>) = 0 [pid 1431] exit_group(0 [pid 1433] <... futex resumed>) = 0 [pid 1431] <... exit_group resumed>) = ? [pid 1432] <... futex resumed>) = ? [pid 1433] exit_group(0) = ? [pid 1434] <... futex resumed>) = ? [pid 1434] +++ exited with 0 +++ [pid 1433] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1433, si_uid=0, si_status=0, si_utime=7, si_stime=20} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 1432] +++ exited with 0 +++ [pid 1431] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1431, si_uid=0, si_status=0, si_utime=10, si_stime=19} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] <... restart_syscall resumed>) = 0 [pid 286] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 283] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 286] <... openat resumed>) = 3 [pid 283] <... openat resumed>) = 3 [pid 286] newfstatat(3, "", [pid 283] newfstatat(3, "", [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, [pid 283] getdents64(3, [pid 286] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./39/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 91.936819][ T1432] F2FS-fs (loop3): switch discard_unit option is not allowed [ 91.944366][ T1434] F2FS-fs (loop0): switch discard_unit option is not allowed [ 91.956767][ T1439] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 283] umount2("./37/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1439] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1439] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1438] <... futex resumed>) = 0 [pid 1438] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1438] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1439] <... futex resumed>) = 1 [pid 1439] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1439] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1438] <... futex resumed>) = 0 [pid 1438] exit_group(0) = ? [pid 1439] <... futex resumed>) = ? [pid 1439] +++ exited with 0 +++ [pid 1438] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1438, si_uid=0, si_status=0, si_utime=10, si_stime=18} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./39/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./37/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./37/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./37/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./37/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./37/file4") = 0 [pid 287] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./37/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./37") = 0 [pid 287] mkdir("./38", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1461 ./strace-static-x86_64: Process 1461 attached [pid 1458] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1461] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1461] chdir("./38") = 0 [pid 1461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1461] setpgid(0, 0) = 0 [pid 1461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1461] write(3, "1000", 4) = 4 [pid 1461] close(3) = 0 [pid 1461] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1461] write(1, "executing program\n", 18executing program ) = 18 [pid 1461] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1461] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1461] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1462]}, 88) = 1462 [pid 1461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1461] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1461] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1462 attached [pid 1462] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1462] memfd_create("syzkaller", 0) = 3 [pid 1462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1458] <... write resumed>) = 20699119 [pid 1458] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1458] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 286] <... umount2 resumed>) = 0 [pid 1458] <... openat resumed>) = 4 [pid 1458] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1458] close(3) = 0 [pid 1458] close(4) = 0 [pid 1458] mkdir("./file4", 0777) = 0 [pid 1458] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] umount2("./39/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./39/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./39/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./39/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./39/file4") = 0 [pid 286] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./39/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./39") = 0 [pid 286] mkdir("./40", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1464 ./strace-static-x86_64: Process 1464 attached [pid 1464] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1464] chdir("./40") = 0 [pid 1464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1464] setpgid(0, 0) = 0 [pid 1464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1464] write(3, "1000", 4) = 4 [pid 1464] close(3) = 0 [pid 1464] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1464] write(1, "executing program\n", 18executing program ) = 18 [pid 1464] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1464] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1464] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1465]}, 88) = 1465 [pid 1464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1464] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1464] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1465 attached [pid 1465] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1465] memfd_create("syzkaller", 0) = 3 [pid 1465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 92.209501][ T1458] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 92.239066][ T1458] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./37/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./37/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./37/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./37/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./37/file4") = 0 [pid 283] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./37/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./37") = 0 [pid 283] mkdir("./38", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1466 ./strace-static-x86_64: Process 1466 attached [pid 1466] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1466] chdir("./38") = 0 [pid 1466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1466] setpgid(0, 0) = 0 [pid 1466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1466] write(3, "1000", 4) = 4 [pid 1466] close(3) = 0 [pid 1466] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1466] write(1, "executing program\n", 18executing program ) = 18 [pid 1466] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1466] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 285] <... umount2 resumed>) = 0 [pid 1466] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1466] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1466] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 285] umount2("./39/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1467]}, 88) = 1467 [ 92.269001][ T1458] F2FS-fs (loop1): fault_injection options not supported [ 92.305842][ T1458] F2FS-fs (loop1): fault_type options not supported [pid 1466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1466] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1466] <... futex resumed>) = 0 [pid 285] newfstatat(AT_FDCWD, "./39/file4", [pid 1466] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 1467 attached [pid 285] umount2("./39/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1467] set_robust_list(0x7fb743f169a0, 24 [pid 285] openat(AT_FDCWD, "./39/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 1467] <... set_robust_list resumed>) = 0 [pid 1467] rt_sigprocmask(SIG_SETMASK, [], [pid 285] newfstatat(4, "", [pid 1467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1467] memfd_create("syzkaller", 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 1467] <... memfd_create resumed>) = 3 [pid 285] getdents64(4, [pid 1467] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 285] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 1467] <... mmap resumed>) = 0x7fb73baf6000 [pid 285] close(4) = 0 [pid 285] rmdir("./39/file4") = 0 [pid 285] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./39/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./39") = 0 [pid 285] mkdir("./40", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1470 ./strace-static-x86_64: Process 1470 attached [pid 1470] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1470] chdir("./40") = 0 [pid 1470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1470] setpgid(0, 0) = 0 [pid 1470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1470] write(3, "1000", 4) = 4 [pid 1470] close(3) = 0 [pid 1470] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1470] write(1, "executing program\n", 18executing program ) = 18 [pid 1470] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1470] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1470] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1462] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1470] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1471]}, 88) = 1471 [pid 1470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1470] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1470] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1471 attached [pid 1471] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1471] memfd_create("syzkaller", 0) = 3 [pid 1471] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 92.323076][ T1458] F2FS-fs (loop1): invalid crc value [ 92.342922][ T1458] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 1462] <... write resumed>) = 20699119 [pid 1462] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1462] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1462] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1462] close(3) = 0 [pid 1462] close(4) = 0 [pid 1462] mkdir("./file4", 0777) = 0 [pid 1462] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 92.460159][ T1462] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 92.467529][ T1462] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 92.496572][ T1462] F2FS-fs (loop4): fault_injection options not supported [pid 1465] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1467] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1458] <... mount resumed>) = 0 [pid 1458] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1458] chdir("./file4") = 0 [pid 1458] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1458] ioctl(4, LOOP_CLR_FD) = 0 [ 92.511609][ T1458] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 92.525869][ T1462] F2FS-fs (loop4): fault_type options not supported [ 92.533003][ T1458] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 1458] close(4) = 0 [pid 1458] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1457] <... futex resumed>) = 0 [pid 1457] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1457] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1458] <... futex resumed>) = 1 [pid 1458] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1458] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1457] <... futex resumed>) = 0 [pid 1457] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1457] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1458] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1458] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1457] <... futex resumed>) = 0 [pid 1457] exit_group(0 [pid 1458] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1457] <... exit_group resumed>) = ? [pid 1458] <... futex resumed>) = ? [pid 1458] +++ exited with 0 +++ [pid 1457] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1457, si_uid=0, si_status=0, si_utime=8, si_stime=19} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 92.565239][ T1462] F2FS-fs (loop4): invalid crc value [ 92.584793][ T1462] F2FS-fs (loop4): Found nat_bits in checkpoint [ 92.590994][ T1458] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 284] umount2("./37/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1462] <... mount resumed>) = 0 [pid 1462] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1462] chdir("./file4") = 0 [pid 1462] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1462] ioctl(4, LOOP_CLR_FD) = 0 [pid 1462] close(4) = 0 [pid 1462] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1461] <... futex resumed>) = 0 [pid 1462] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1461] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1461] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1462] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1462] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1461] <... futex resumed>) = 0 [pid 1462] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1461] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1461] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1462] <... symlink resumed>) = 0 [pid 1462] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1461] <... futex resumed>) = 0 [pid 1462] <... futex resumed>) = 1 [pid 1462] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1461] exit_group(0) = ? [pid 1462] <... futex resumed>) = 231 [pid 1462] +++ exited with 0 +++ [pid 1461] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1461, si_uid=0, si_status=0, si_utime=9, si_stime=16} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 92.646014][ T1462] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 92.663377][ T1462] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 92.676726][ T1462] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 287] umount2("./38/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1471] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1467] <... write resumed>) = 20699119 [pid 1467] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1467] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1465] <... write resumed>) = 20699119 [pid 1465] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1465] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1467] <... openat resumed>) = 4 [pid 1465] <... openat resumed>) = 4 [pid 1467] ioctl(4, LOOP_SET_FD, 3 [pid 1465] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1465] close(3) = 0 [pid 1465] close(4 [pid 1467] <... ioctl resumed>) = 0 [pid 1467] close(3) = 0 [pid 1467] close(4 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./37/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./37/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./37/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./37/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./37/file4") = 0 [pid 284] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./37/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./37") = 0 [pid 284] mkdir("./38", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1471] <... write resumed>) = 20699119 [pid 1471] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1471] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1467] <... close resumed>) = 0 [pid 1465] <... close resumed>) = 0 [pid 1467] mkdir("./file4", 0777 [pid 1465] mkdir("./file4", 0777 [pid 1467] <... mkdir resumed>) = 0 [pid 1465] <... mkdir resumed>) = 0 [pid 1467] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 92.851941][ T1467] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 92.859018][ T1465] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 92.861022][ T1467] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 92.866691][ T1465] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 92.882851][ T1465] F2FS-fs (loop3): fault_injection options not supported [ 92.884191][ T1467] F2FS-fs (loop0): fault_injection options not supported [pid 1465] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1471] <... openat resumed>) = 4 [pid 284] <... openat resumed>) = 3 [pid 284] ioctl(3, LOOP_CLR_FD [pid 1471] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 284] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 284] close(3 [pid 1471] close(3 [pid 284] <... close resumed>) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1471] <... close resumed>) = 0 [pid 1471] close(4) = 0 [pid 284] <... clone resumed>, child_tidptr=0x55557d22a690) = 1484 [pid 1471] mkdir("./file4", 0777) = 0 [ 92.890163][ T1465] F2FS-fs (loop3): fault_type options not supported [ 92.897008][ T1467] F2FS-fs (loop0): fault_type options not supported [ 92.905329][ T1465] F2FS-fs (loop3): invalid crc value [ 92.917291][ T1467] F2FS-fs (loop0): invalid crc value [ 92.940904][ T1465] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 1471] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"..../strace-static-x86_64: Process 1484 attached [pid 1484] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1484] chdir("./38") = 0 [pid 1484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1484] setpgid(0, 0) = 0 [pid 1484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1484] write(3, "1000", 4) = 4 [pid 1484] close(3) = 0 [pid 1484] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1484] write(1, "executing program\n", 18executing program ) = 18 [pid 1484] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1484] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1484] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1484] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1484] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1484] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1485]}, 88) = 1485 [pid 1484] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1484] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1484] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1485 attached [pid 1485] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 92.947986][ T1471] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 92.966671][ T1467] F2FS-fs (loop0): Found nat_bits in checkpoint [ 92.977635][ T1471] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [pid 1485] memfd_create("syzkaller", 0) = 3 [pid 1485] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 93.008788][ T1471] F2FS-fs (loop2): fault_injection options not supported [ 93.025997][ T1467] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 93.033188][ T1471] F2FS-fs (loop2): fault_type options not supported [ 93.033218][ T1467] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 93.048040][ T1471] F2FS-fs (loop2): invalid crc value [pid 287] <... umount2 resumed>) = 0 [pid 1467] <... mount resumed>) = 0 [pid 1467] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 287] umount2("./38/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1467] <... openat resumed>) = 3 [pid 1467] chdir("./file4") = 0 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1467] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1465] <... mount resumed>) = 0 [pid 1467] <... openat resumed>) = 4 [pid 1465] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 287] newfstatat(AT_FDCWD, "./38/file4", [pid 1467] ioctl(4, LOOP_CLR_FD) = 0 [pid 1465] <... openat resumed>) = 3 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1467] close(4 [pid 1465] chdir("./file4" [pid 287] umount2("./38/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1467] <... close resumed>) = 0 [pid 1467] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1467] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1466] <... futex resumed>) = 0 [pid 1466] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1466] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1467] <... futex resumed>) = 0 [pid 287] openat(AT_FDCWD, "./38/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1467] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1465] <... chdir resumed>) = 0 [pid 1467] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 287] <... openat resumed>) = 4 [pid 287] newfstatat(4, "", [pid 1465] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1465] <... openat resumed>) = 4 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 1465] ioctl(4, LOOP_CLR_FD [pid 287] getdents64(4, [pid 1465] <... ioctl resumed>) = 0 [pid 287] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 1465] close(4 [pid 287] close(4) = 0 [pid 287] rmdir("./38/file4") = 0 [pid 287] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1465] <... close resumed>) = 0 [pid 287] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./38/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 1465] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] close(3) = 0 [pid 1465] <... futex resumed>) = 1 [pid 1464] <... futex resumed>) = 0 [pid 1464] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] rmdir("./38" [pid 1464] <... futex resumed>) = 0 [pid 1464] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 287] <... rmdir resumed>) = 0 [pid 1465] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 287] mkdir("./39", 0777) = 0 [ 93.056138][ T1465] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 93.070019][ T1465] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 93.079036][ T1471] F2FS-fs (loop2): Found nat_bits in checkpoint [ 93.097603][ T1467] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1490 [pid 1467] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 1490 attached [pid 1490] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1490] chdir("./39" [pid 1467] <... futex resumed>) = 1 [pid 1466] <... futex resumed>) = 0 [pid 1466] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1466] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1490] <... chdir resumed>) = 0 [pid 1467] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1490] setpgid(0, 0) = 0 [pid 1490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1467] <... symlink resumed>) = 0 [pid 1467] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1490] write(3, "1000", 4) = 4 [pid 1490] close(3) = 0 [pid 1490] symlink("/dev/binderfs", "./binderfs" [pid 1467] <... futex resumed>) = 1 [pid 1466] <... futex resumed>) = 0 [pid 1466] exit_group(0) = ? [pid 1490] <... symlink resumed>) = 0 [pid 1467] +++ exited with 0 +++ [pid 1466] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1466, si_uid=0, si_status=0, si_utime=8, si_stime=19} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 1490] write(1, "executing program\n", 18executing program ) = 18 [pid 1490] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1465] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1490] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1490] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1490] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1465] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1464] <... futex resumed>) = 0 [pid 1490] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1490] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 1464] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1490] <... clone3 resumed> => {parent_tid=[1491]}, 88) = 1491 [pid 1490] rt_sigprocmask(SIG_SETMASK, [], [pid 1464] <... futex resumed>) = 0 [pid 1490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1490] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1490] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1465] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1464] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./38/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1465] <... symlink resumed>) = 0 [pid 1465] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1464] <... futex resumed>) = 0 [pid 1464] exit_group(0) = ? [pid 1465] +++ exited with 0 +++ [pid 1464] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1464, si_uid=0, si_status=0, si_utime=10, si_stime=20} --- [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 1485] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 1491 attached [pid 1491] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1491] memfd_create("syzkaller", 0 [pid 286] <... restart_syscall resumed>) = 0 [pid 1491] <... memfd_create resumed>) = 3 [pid 1491] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 286] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 1491] <... mmap resumed>) = 0x7fb73baf6000 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 93.122196][ T1465] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 286] umount2("./40/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1485] <... write resumed>) = 20699119 [pid 1485] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1485] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1471] <... mount resumed>) = 0 [pid 1471] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1471] chdir("./file4") = 0 [pid 1471] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1485] <... openat resumed>) = 4 [ 93.256179][ T1471] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 93.263769][ T1471] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 1485] ioctl(4, LOOP_SET_FD, 3 [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./38/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./38/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./38/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./38/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 1491] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 283] close(4) = 0 [pid 283] rmdir("./38/file4") = 0 [pid 283] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./38/binderfs" [pid 1471] <... openat resumed>) = 4 [pid 1471] ioctl(4, LOOP_CLR_FD [pid 283] <... unlink resumed>) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./38") = 0 [pid 283] mkdir("./39", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1485] <... ioctl resumed>) = 0 [pid 1485] close(3) = 0 [pid 1485] close(4 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./40/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./40/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./40/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./40/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 1485] <... close resumed>) = 0 [pid 1485] mkdir("./file4", 0777 [pid 1471] <... ioctl resumed>) = 0 [pid 283] <... openat resumed>) = 3 [pid 1471] close(4) = 0 [pid 1471] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1470] <... futex resumed>) = 0 [pid 1471] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1470] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1485] <... mkdir resumed>) = 0 [pid 1470] <... futex resumed>) = 0 [pid 283] ioctl(3, LOOP_CLR_FD [pid 1485] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1470] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 283] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1494 ./strace-static-x86_64: Process 1494 attached [pid 1491] <... write resumed>) = 20699119 [pid 1471] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 286] rmdir("./40/file4" [pid 1494] set_robust_list(0x55557d22a6a0, 24 [pid 1491] munmap(0x7fb73baf6000, 138412032 [pid 1471] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] <... rmdir resumed>) = 0 [pid 1494] <... set_robust_list resumed>) = 0 [pid 1491] <... munmap resumed>) = 0 [pid 1471] <... futex resumed>) = 1 [pid 286] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1491] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1471] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1470] <... futex resumed>) = 0 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1491] <... openat resumed>) = 4 [pid 1470] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1470] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1471] <... futex resumed>) = 0 [pid 286] newfstatat(AT_FDCWD, "./40/binderfs", [pid 1491] ioctl(4, LOOP_SET_FD, 3 [pid 1471] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 286] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./40/binderfs" [pid 1491] <... ioctl resumed>) = 0 [pid 1494] chdir("./39" [pid 1491] close(3 [pid 1471] <... symlink resumed>) = 0 [pid 286] <... unlink resumed>) = 0 [pid 1491] <... close resumed>) = 0 [pid 1471] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] getdents64(3, [pid 1494] <... chdir resumed>) = 0 [pid 1491] close(4 [pid 286] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 1471] <... futex resumed>) = 1 [pid 1494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1470] <... futex resumed>) = 0 [pid 1470] exit_group(0 [pid 1491] <... close resumed>) = 0 [pid 1470] <... exit_group resumed>) = ? [pid 286] close(3 [pid 1491] mkdir("./file4", 0777 [pid 286] <... close resumed>) = 0 [ 93.395178][ T1471] F2FS-fs (loop2): switch discard_unit option is not allowed [ 93.403978][ T1485] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 93.416182][ T1485] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 93.424958][ T1485] F2FS-fs (loop1): fault_injection options not supported [ 93.433216][ T1485] F2FS-fs (loop1): fault_type options not supported [pid 286] rmdir("./40" [pid 1494] <... prctl resumed>) = 0 [pid 1491] <... mkdir resumed>) = 0 [pid 1471] +++ exited with 0 +++ [pid 1470] +++ exited with 0 +++ [pid 286] <... rmdir resumed>) = 0 [pid 1494] setpgid(0, 0 [pid 1491] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] mkdir("./41", 0777 [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1470, si_uid=0, si_status=0, si_utime=7, si_stime=19} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./40/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] <... mkdir resumed>) = 0 [pid 1494] <... setpgid resumed>) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 286] <... openat resumed>) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 1494] <... openat resumed>) = 3 [pid 286] close(3) = 0 [pid 1494] write(3, "1000", 4 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1494] <... write resumed>) = 4 [pid 1494] close(3) = 0 [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 1496 [pid 1494] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 ./strace-static-x86_64: Process 1496 attached [pid 1496] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1496] chdir("./41") = 0 [pid 1496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1496] setpgid(0, 0) = 0 [pid 1496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1496] write(3, "1000", 4) = 4 [pid 1496] close(3) = 0 [pid 1496] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1496] write(1, "executing program\n", 18) = 18 [pid 1496] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1496] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1496] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1496] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1496] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1499]}, 88) = 1499 [pid 1496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1496] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1496] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}executing program [pid 1494] write(1, "executing program\n", 18) = 18 [pid 1494] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 93.444736][ T1485] F2FS-fs (loop1): invalid crc value [ 93.451196][ T1491] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 93.460719][ T1491] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 93.482814][ T1485] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 1494] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1494] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1494] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1500]}, 88) = 1500 [pid 1494] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 1500 attached [pid 1500] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1500] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 1499 attached [pid 1499] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1494] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1499] memfd_create("syzkaller", 0) = 3 [pid 1499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1494] <... futex resumed>) = 1 [pid 1500] <... futex resumed>) = 0 [pid 1494] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1500] memfd_create("syzkaller", 0) = 3 [pid 1500] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 93.490580][ T1491] F2FS-fs (loop4): fault_injection options not supported [ 93.519121][ T1491] F2FS-fs (loop4): fault_type options not supported [ 93.547149][ T1491] F2FS-fs (loop4): invalid crc value [ 93.566622][ T1491] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 285] <... umount2 resumed>) = 0 [pid 1491] <... mount resumed>) = 0 [pid 1491] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1491] chdir("./file4") = 0 [pid 1491] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1491] ioctl(4, LOOP_CLR_FD) = 0 [pid 1491] close(4) = 0 [pid 1491] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1491] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1490] <... futex resumed>) = 0 [pid 1490] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1491] <... futex resumed>) = 0 [pid 1491] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1490] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 285] umount2("./40/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./40/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./40/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./40/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [ 93.607915][ T1491] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 93.616270][ T1491] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 93.625266][ T1485] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 93.632951][ T1491] F2FS-fs (loop4): switch discard_unit option is not allowed [ 93.643093][ T1485] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./40/file4") = 0 [pid 285] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1491] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1491] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1491] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1490] <... futex resumed>) = 0 [pid 285] newfstatat(AT_FDCWD, "./40/binderfs", [pid 1490] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1490] <... futex resumed>) = 1 [pid 285] unlink("./40/binderfs" [pid 1491] <... futex resumed>) = 0 [pid 1491] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1490] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 285] <... unlink resumed>) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 1491] <... symlink resumed>) = 0 [pid 285] close(3 [pid 1491] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1490] <... futex resumed>) = 0 [pid 285] <... close resumed>) = 0 [pid 1491] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1490] exit_group(0 [pid 285] rmdir("./40" [pid 1491] <... futex resumed>) = ? [pid 1490] <... exit_group resumed>) = ? [pid 1491] +++ exited with 0 +++ [pid 1490] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1490, si_uid=0, si_status=0, si_utime=7, si_stime=15} --- [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 285] <... rmdir resumed>) = 0 [pid 285] mkdir("./41", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3 [pid 1485] <... mount resumed>) = 0 [pid 285] <... close resumed>) = 0 [pid 1485] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 287] <... restart_syscall resumed>) = 0 [pid 287] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./39/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1485] <... openat resumed>) = 3 [pid 1485] chdir("./file4") = 0 [pid 1485] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1485] ioctl(4, LOOP_CLR_FD) = 0 [pid 1485] close(4) = 0 [pid 1485] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1484] <... futex resumed>) = 0 [pid 1484] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1484] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1485] <... futex resumed>) = 1 [pid 1485] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1505 ./strace-static-x86_64: Process 1505 attached [pid 1505] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1505] chdir("./41") = 0 [pid 1505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1505] setpgid(0, 0) = 0 [pid 1505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1505] write(3, "1000", 4) = 4 [pid 1505] close(3) = 0 [pid 1505] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1505] write(1, "executing program\n", 18executing program ) = 18 [pid 1505] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1505] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1485] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1505] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 1485] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1484] <... futex resumed>) = 0 [pid 1484] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1484] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1485] <... futex resumed>) = 1 [pid 1485] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1505] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1505] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1506]}, 88) = 1506 [pid 1505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1505] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1505] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1506 attached [pid 1506] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1485] <... symlink resumed>) = 0 [pid 1506] rt_sigprocmask(SIG_SETMASK, [], [pid 1485] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1484] <... futex resumed>) = 0 [pid 1506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1484] exit_group(0) = ? [pid 1485] <... futex resumed>) = ? [pid 1506] memfd_create("syzkaller", 0) = 3 [pid 1506] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1485] +++ exited with 0 +++ [pid 1484] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1484, si_uid=0, si_status=0, si_utime=10, si_stime=22} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 93.665353][ T1485] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 284] umount2("./38/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1500] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1499] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 287] <... umount2 resumed>) = 0 [pid 1506] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 287] umount2("./39/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./39/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./39/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./39/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./39/file4") = 0 [pid 287] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./39/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./39") = 0 [pid 287] mkdir("./40", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3 [pid 1500] <... write resumed>) = 20699119 [pid 1500] munmap(0x7fb73baf6000, 138412032 [pid 287] <... close resumed>) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1500] <... munmap resumed>) = 0 [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 1507 [pid 1500] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1500] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1500] close(3) = 0 ./strace-static-x86_64: Process 1507 attached [pid 1507] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1500] close(4 [pid 1507] chdir("./40" [pid 1500] <... close resumed>) = 0 [pid 1507] <... chdir resumed>) = 0 [pid 1507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1507] setpgid(0, 0) = 0 [pid 1507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1500] mkdir("./file4", 0777 [pid 1507] write(3, "1000", 4) = 4 [pid 1507] close(3) = 0 [pid 1507] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1507] write(1, "executing program\n", 18) = 18 [pid 1507] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1507] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1500] <... mkdir resumed>) = 0 [pid 1507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1507] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1507] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1500] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1509]}, 88) = 1509 [pid 1507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1507] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1507] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1509 attached [pid 1509] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1509] memfd_create("syzkaller", 0) = 3 [pid 1509] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./38/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./38/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./38/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./38/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./38/file4") = 0 [pid 284] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./38/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./38") = 0 [pid 284] mkdir("./39", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1510 [pid 1499] <... write resumed>) = 20699119 ./strace-static-x86_64: Process 1510 attached [pid 1499] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1510] set_robust_list(0x55557d22a6a0, 24 [pid 1499] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1510] <... set_robust_list resumed>) = 0 [pid 1499] <... openat resumed>) = 4 [pid 1510] chdir("./39" [pid 1499] ioctl(4, LOOP_SET_FD, 3 [pid 1510] <... chdir resumed>) = 0 [ 93.961381][ T1500] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 93.975855][ T1500] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 93.994845][ T1500] F2FS-fs (loop0): fault_injection options not supported [pid 1510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1510] setpgid(0, 0) = 0 [pid 1510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1510] write(3, "1000", 4) = 4 [pid 1510] close(3) = 0 [pid 1510] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1499] <... ioctl resumed>) = 0 [pid 1499] close(3 [pid 1510] write(1, "executing program\n", 18 [pid 1499] <... close resumed>) = 0 [pid 1510] <... write resumed>) = 18 [pid 1499] close(4 [pid 1510] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1499] <... close resumed>) = 0 [pid 1510] <... futex resumed>) = 0 [pid 1510] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 1499] mkdir("./file4", 0777) = 0 [pid 1510] <... rt_sigaction resumed>NULL, 8) = 0 [pid 1510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 1499] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1510] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1510] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1512]}, 88) = 1512 [pid 1510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1510] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1510] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1512 attached [ 94.016226][ T1500] F2FS-fs (loop0): fault_type options not supported [ 94.032285][ T1499] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 94.045176][ T1500] F2FS-fs (loop0): invalid crc value [ 94.050966][ T1499] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 94.059849][ T1499] F2FS-fs (loop3): fault_injection options not supported [pid 1512] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1512] memfd_create("syzkaller", 0) = 3 [pid 1512] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 94.067174][ T1499] F2FS-fs (loop3): fault_type options not supported [ 94.075574][ T1499] F2FS-fs (loop3): invalid crc value [ 94.095621][ T1499] F2FS-fs (loop3): Found nat_bits in checkpoint [ 94.096076][ T1500] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1506] <... write resumed>) = 20699119 [pid 1506] munmap(0x7fb73baf6000, 138412032 [pid 1499] <... mount resumed>) = 0 [pid 1499] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1499] chdir("./file4") = 0 [pid 1499] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1499] ioctl(4, LOOP_CLR_FD) = 0 [pid 1499] close(4) = 0 [pid 1499] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1496] <... futex resumed>) = 0 [pid 1499] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1496] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1496] <... futex resumed>) = 0 [pid 1499] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1496] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1506] <... munmap resumed>) = 0 [pid 1506] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1506] ioctl(4, LOOP_SET_FD, 3 [pid 1499] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1499] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1496] <... futex resumed>) = 0 [pid 1496] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1496] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1499] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1499] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1496] <... futex resumed>) = 0 [pid 1496] exit_group(0) = ? [pid 1499] +++ exited with 0 +++ [pid 1496] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1496, si_uid=0, si_status=0, si_utime=9, si_stime=15} --- [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 1506] <... ioctl resumed>) = 0 [pid 1506] close(3) = 0 [pid 1506] close(4 [pid 286] <... restart_syscall resumed>) = 0 [pid 286] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 94.150650][ T1499] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 94.165758][ T1499] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 94.182482][ T1499] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 1509] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 286] umount2("./41/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1506] <... close resumed>) = 0 [pid 1506] mkdir("./file4", 0777) = 0 [ 94.207034][ T1500] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 94.214439][ T1500] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 1506] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1500] <... mount resumed>) = 0 [pid 1500] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1500] chdir("./file4") = 0 [pid 1500] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1500] ioctl(4, LOOP_CLR_FD) = 0 [pid 1500] close(4) = 0 [pid 1500] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1494] <... futex resumed>) = 0 [pid 1494] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1494] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 94.258971][ T1506] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 94.272863][ T1500] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 1500] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1509] <... write resumed>) = 20699119 [pid 1509] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1509] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1509] ioctl(4, LOOP_SET_FD, 3 [pid 1494] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 1494] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 1494] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 1509] <... ioctl resumed>) = 0 [pid 1500] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1494] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 1509] close(3 [pid 1494] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 1509] <... close resumed>) = 0 [pid 1494] <... futex resumed>) = 0 [pid 1509] close(4 [pid 1494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ed5000 [pid 1494] mprotect(0x7fb743ed6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1494] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743ef5990, parent_tid=0x7fb743ef5990, exit_signal=0, stack=0x7fb743ed5000, stack_size=0x20300, tls=0x7fb743ef56c0} => {parent_tid=[1521]}, 88) = 1521 [pid 1500] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1500] <... futex resumed>) = 0 [pid 1494] futex(0x7fb743fe76b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1500] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1494] futex(0x7fb743fe76bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 1521 attached [pid 1521] set_robust_list(0x7fb743ef59a0, 24) = 0 [pid 1521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 94.300107][ T1506] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 94.324821][ T1506] F2FS-fs (loop2): fault_injection options not supported [ 94.330472][ T1521] handle_bad_sector: 33 callbacks suppressed [ 94.330488][ T1521] attempt to access beyond end of device [ 94.330488][ T1521] loop0: rw=2049, want=53256, limit=40427 [pid 1521] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1521] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1494] <... futex resumed>) = 0 [pid 1521] futex(0x7fb743fe76b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1494] exit_group(0) = ? [pid 1521] <... futex resumed>) = ? [pid 1500] <... futex resumed>) = ? [pid 1521] +++ exited with 0 +++ [pid 1500] +++ exited with 0 +++ [pid 1494] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1494, si_uid=0, si_status=0, si_utime=8, si_stime=21} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 1509] <... close resumed>) = 0 [pid 1509] mkdir("./file4", 0777) = 0 [pid 1509] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./39/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 94.341840][ T1506] F2FS-fs (loop2): fault_type options not supported [ 94.358012][ T1506] F2FS-fs (loop2): invalid crc value [ 94.370563][ T1506] F2FS-fs (loop2): Found nat_bits in checkpoint [ 94.378615][ T283] attempt to access beyond end of device [ 94.378615][ T283] loop0: rw=2049, want=45104, limit=40427 [ 94.424153][ T1509] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 94.454206][ T1509] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 94.462809][ T1509] F2FS-fs (loop4): fault_injection options not supported [ 94.470185][ T1509] F2FS-fs (loop4): fault_type options not supported [ 94.476888][ T1506] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 94.483926][ T1506] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 94.492639][ T1509] F2FS-fs (loop4): invalid crc value [pid 1512] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1506] <... mount resumed>) = 0 [pid 1506] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1506] chdir("./file4") = 0 [pid 1506] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1506] ioctl(4, LOOP_CLR_FD) = 0 [pid 1506] close(4) = 0 [pid 1506] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1505] <... futex resumed>) = 0 [pid 1505] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1505] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1506] <... futex resumed>) = 1 [ 94.516540][ T1509] F2FS-fs (loop4): Found nat_bits in checkpoint [ 94.543989][ T1506] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 1506] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1506] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1505] <... futex resumed>) = 0 [pid 1505] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1505] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1506] <... futex resumed>) = 1 [pid 1506] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1509] <... mount resumed>) = 0 [pid 1509] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1509] chdir("./file4") = 0 [pid 1509] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1509] ioctl(4, LOOP_CLR_FD) = 0 [pid 1509] close(4) = 0 [pid 1509] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1509] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1507] <... futex resumed>) = 0 [pid 1507] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1509] <... futex resumed>) = 0 [ 94.566034][ T1509] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 94.573122][ T1509] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 94.574616][ T1506] attempt to access beyond end of device [ 94.574616][ T1506] loop2: rw=2049, want=53256, limit=40427 [pid 1509] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1512] <... write resumed>) = 20699119 [pid 1507] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1505] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 1509] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1509] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1509] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1507] <... futex resumed>) = 0 [pid 1512] munmap(0x7fb73baf6000, 138412032 [pid 1507] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1509] <... futex resumed>) = 0 [pid 1507] <... futex resumed>) = 1 [pid 1509] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1507] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1512] <... munmap resumed>) = 0 [pid 1506] <... symlink resumed>) = 0 [pid 286] <... umount2 resumed>) = 0 [pid 283] <... umount2 resumed>) = 0 [pid 1512] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1506] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] umount2("./41/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1512] <... openat resumed>) = 4 [pid 1506] <... futex resumed>) = 0 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1512] ioctl(4, LOOP_SET_FD, 3 [pid 1506] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 286] newfstatat(AT_FDCWD, "./41/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./41/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1512] <... ioctl resumed>) = 0 [pid 1509] <... symlink resumed>) = 0 [pid 1505] exit_group(0 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] umount2("./39/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1505] <... exit_group resumed>) = ? [pid 1509] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1509] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 283] newfstatat(AT_FDCWD, "./39/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./39/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./39/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./39/file4") = 0 [pid 283] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./39/binderfs") = 0 [pid 283] getdents64(3, [pid 1507] <... futex resumed>) = 0 [pid 1506] <... futex resumed>) = ? [pid 286] openat(AT_FDCWD, "./41/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 283] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3 [pid 1507] exit_group(0 [pid 283] <... close resumed>) = 0 [pid 283] rmdir("./39") = 0 [pid 283] mkdir("./40", 0777 [pid 1506] +++ exited with 0 +++ [pid 1505] +++ exited with 0 +++ [pid 1507] <... exit_group resumed>) = ? [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1505, si_uid=0, si_status=0, si_utime=11, si_stime=17} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 286] <... openat resumed>) = 4 [pid 286] newfstatat(4, "", [pid 1512] close(3 [pid 1509] <... futex resumed>) = ? [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1512] <... close resumed>) = 0 [pid 1512] close(4 [pid 286] getdents64(4, [pid 1512] <... close resumed>) = 0 [pid 286] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 1512] mkdir("./file4", 0777 [pid 286] getdents64(4, [pid 1509] +++ exited with 0 +++ [pid 1507] +++ exited with 0 +++ [pid 1512] <... mkdir resumed>) = 0 [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1507, si_uid=0, si_status=0, si_utime=11, si_stime=22} --- [pid 286] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 286] close(4 [pid 1512] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] <... mkdir resumed>) = 0 [pid 287] <... restart_syscall resumed>) = 0 [pid 286] <... close resumed>) = 0 [pid 285] <... restart_syscall resumed>) = 0 [pid 286] rmdir("./41/file4") = 0 [pid 287] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] <... openat resumed>) = 3 [pid 286] newfstatat(AT_FDCWD, "./41/binderfs", [pid 287] newfstatat(3, "", [pid 286] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] unlink("./41/binderfs" [pid 287] getdents64(3, [pid 286] <... unlink resumed>) = 0 [pid 285] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 287] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] getdents64(3, [pid 287] umount2("./40/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] <... openat resumed>) = 3 [pid 286] close(3) = 0 [pid 285] newfstatat(3, "", [pid 286] rmdir("./41") = 0 [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] mkdir("./42", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 94.608845][ T1509] F2FS-fs (loop4): switch discard_unit option is not allowed [ 94.626094][ T1509] attempt to access beyond end of device [ 94.626094][ T1509] loop4: rw=2049, want=53256, limit=40427 [ 94.644427][ T1512] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1529 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3 [pid 285] getdents64(3, [pid 283] <... close resumed>) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 285] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./41/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 1530 ./strace-static-x86_64: Process 1529 attached [pid 1529] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1529] chdir("./42") = 0 [pid 1529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1529] setpgid(0, 0) = 0 [pid 1529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1529] write(3, "1000", 4) = 4 [pid 1529] close(3) = 0 [pid 1529] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1529] write(1, "executing program\n", 18executing program ) = 18 [pid 1529] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1529] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1529] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1529] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1529] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1531]}, 88) = 1531 [pid 1529] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1529] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1529] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1530 attached [pid 1530] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1530] chdir("./40") = 0 [pid 1530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1530] setpgid(0, 0) = 0 [pid 1530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1530] write(3, "1000", 4) = 4 [pid 1530] close(3) = 0 [pid 1530] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1530] write(1, "executing program\n", 18executing program ) = 18 [pid 1530] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1530] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1530] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1530] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1532]}, 88) = 1532 [pid 1530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1530] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1530] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1531 attached [pid 1531] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1531] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 1532 attached [pid 1531] memfd_create("syzkaller", 0) = 3 [pid 1531] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1532] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1532] memfd_create("syzkaller", 0) = 3 [pid 1532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 94.655476][ T287] attempt to access beyond end of device [ 94.655476][ T287] loop4: rw=2049, want=45104, limit=40427 [ 94.670455][ T285] attempt to access beyond end of device [ 94.670455][ T285] loop2: rw=2049, want=45104, limit=40427 [ 94.670741][ T1512] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./40/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./40/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./40/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./40/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./40/file4") = 0 [pid 287] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./40/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./40") = 0 [pid 287] mkdir("./41", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1535 [ 94.754161][ T1512] F2FS-fs (loop1): fault_injection options not supported [ 94.772446][ T1512] F2FS-fs (loop1): fault_type options not supported [ 94.791099][ T1512] F2FS-fs (loop1): invalid crc value ./strace-static-x86_64: Process 1535 attached [pid 1535] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1535] chdir("./41") = 0 [pid 1535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1535] setpgid(0, 0) = 0 [pid 1535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1535] write(3, "1000", 4) = 4 [pid 1535] close(3) = 0 [pid 1535] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1535] write(1, "executing program\n", 18) = 18 [pid 1535] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1535] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1535] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1535] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1535] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1536]}, 88) = 1536 [pid 1535] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1535] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1535] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1536 attached [pid 1536] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1536] memfd_create("syzkaller", 0) = 3 [pid 1536] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 94.857495][ T1512] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 1531] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./41/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./41/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./41/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./41/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./41/file4") = 0 [pid 285] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./41/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./41") = 0 [pid 285] mkdir("./42", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1537 ./strace-static-x86_64: Process 1537 attached [pid 1537] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1537] chdir("./42") = 0 [pid 1537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1537] setpgid(0, 0) = 0 [pid 1537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1537] write(3, "1000", 4) = 4 [pid 1537] close(3) = 0 [pid 1537] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1537] write(1, "executing program\n", 18) = 18 [pid 1537] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1537] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1537] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1537] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1537] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1537] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1539]}, 88) = 1539 [pid 1537] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1537] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1537] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1539 attached [pid 1539] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1539] memfd_create("syzkaller", 0) = 3 [pid 1539] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1531] <... write resumed>) = 20699119 [pid 1531] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1531] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1531] ioctl(4, LOOP_SET_FD, 3 [pid 1512] <... mount resumed>) = 0 [pid 1531] <... ioctl resumed>) = 0 [pid 1512] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1512] chdir("./file4") = 0 [pid 1512] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1531] close(3 [pid 1512] ioctl(4, LOOP_CLR_FD [pid 1531] <... close resumed>) = 0 [pid 1531] close(4) = 0 [pid 1531] mkdir("./file4", 0777 [pid 1512] <... ioctl resumed>) = 0 [pid 1512] close(4) = 0 [pid 1512] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1531] <... mkdir resumed>) = 0 [pid 1512] <... futex resumed>) = 1 [pid 1512] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1510] <... futex resumed>) = 0 [pid 1531] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1510] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1512] <... futex resumed>) = 0 [pid 1510] <... futex resumed>) = 1 [ 94.985075][ T1512] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 95.005489][ T1512] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 1512] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1510] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1512] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1512] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1512] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1510] <... futex resumed>) = 0 [pid 1510] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1512] <... futex resumed>) = 0 [pid 1510] <... futex resumed>) = 1 [ 95.046199][ T1531] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 95.046497][ T1512] F2FS-fs (loop1): switch discard_unit option is not allowed [ 95.065980][ T1531] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 95.074751][ T1531] F2FS-fs (loop3): fault_injection options not supported [ 95.082078][ T1531] F2FS-fs (loop3): fault_type options not supported [ 95.090223][ T1531] F2FS-fs (loop3): invalid crc value [pid 1512] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1532] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1510] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1512] <... symlink resumed>) = 0 [pid 1512] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1512] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1510] <... futex resumed>) = 0 [pid 1510] exit_group(0) = ? [pid 1512] <... futex resumed>) = ? [pid 1512] +++ exited with 0 +++ [pid 1510] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1510, si_uid=0, si_status=0, si_utime=9, si_stime=25} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 95.097684][ T1512] attempt to access beyond end of device [ 95.097684][ T1512] loop1: rw=2049, want=53256, limit=40427 [ 95.121549][ T284] attempt to access beyond end of device [ 95.121549][ T284] loop1: rw=2049, want=45104, limit=40427 [ 95.133914][ T1531] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 284] umount2("./39/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1536] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1531] <... mount resumed>) = 0 [pid 1531] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1531] chdir("./file4") = 0 [pid 1531] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1531] ioctl(4, LOOP_CLR_FD) = 0 [ 95.181877][ T1531] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 95.189211][ T1531] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 1531] close(4 [pid 1539] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1532] <... write resumed>) = 20699119 [pid 1532] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1532] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1531] <... close resumed>) = 0 [pid 1532] ioctl(4, LOOP_SET_FD, 3 [pid 1531] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1529] <... futex resumed>) = 0 [pid 1529] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1529] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1531] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1531] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1529] <... futex resumed>) = 0 [pid 1529] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1529] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1531] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1532] <... ioctl resumed>) = 0 [pid 1532] close(3) = 0 [pid 1532] close(4 [pid 1531] <... symlink resumed>) = 0 [pid 1531] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1529] <... futex resumed>) = 0 [pid 1529] exit_group(0) = ? [pid 1531] +++ exited with 0 +++ [pid 1529] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1529, si_uid=0, si_status=0, si_utime=8, si_stime=22} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 95.294402][ T1531] F2FS-fs (loop3): switch discard_unit option is not allowed [ 95.307596][ T1531] attempt to access beyond end of device [ 95.307596][ T1531] loop3: rw=2049, want=53256, limit=40427 [pid 286] umount2("./42/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1536] <... write resumed>) = 20699119 [pid 1532] <... close resumed>) = 0 [pid 1536] munmap(0x7fb73baf6000, 138412032 [pid 1532] mkdir("./file4", 0777) = 0 [pid 1536] <... munmap resumed>) = 0 [pid 1536] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1532] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1536] <... openat resumed>) = 4 [pid 1536] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1536] close(3) = 0 [pid 1536] close(4) = 0 [pid 1536] mkdir("./file4", 0777) = 0 [ 95.345884][ T286] attempt to access beyond end of device [ 95.345884][ T286] loop3: rw=2049, want=45104, limit=40427 [ 95.363339][ T1532] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 95.380440][ T1536] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [pid 1536] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1539] <... write resumed>) = 20699119 [pid 284] <... umount2 resumed>) = 0 [pid 1539] munmap(0x7fb73baf6000, 138412032 [pid 284] umount2("./39/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1539] <... munmap resumed>) = 0 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./39/file4", [pid 1539] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1539] <... openat resumed>) = 4 [pid 284] umount2("./39/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1539] ioctl(4, LOOP_SET_FD, 3 [pid 284] openat(AT_FDCWD, "./39/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 95.395806][ T1532] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 95.403474][ T1536] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 95.404462][ T1532] F2FS-fs (loop0): fault_injection options not supported [ 95.419750][ T1532] F2FS-fs (loop0): fault_type options not supported [ 95.422060][ T1536] F2FS-fs (loop4): fault_injection options not supported [ 95.428103][ T1532] F2FS-fs (loop0): invalid crc value [ 95.439618][ T1536] F2FS-fs (loop4): fault_type options not supported [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 1539] <... ioctl resumed>) = 0 [pid 1539] close(3 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 1539] <... close resumed>) = 0 [pid 284] close(4) = 0 [pid 1539] close(4 [pid 284] rmdir("./39/file4" [pid 1539] <... close resumed>) = 0 [pid 284] <... rmdir resumed>) = 0 [pid 1539] mkdir("./file4", 0777) = 0 [pid 284] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1539] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 284] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./39/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./39") = 0 [pid 284] mkdir("./40", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1551 [ 95.448155][ T1536] F2FS-fs (loop4): invalid crc value [ 95.461412][ T1539] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 95.462521][ T1532] F2FS-fs (loop0): Found nat_bits in checkpoint [ 95.469753][ T1539] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 95.475997][ T1536] F2FS-fs (loop4): Found nat_bits in checkpoint [ 95.484310][ T1539] F2FS-fs (loop2): fault_injection options not supported ./strace-static-x86_64: Process 1551 attached [pid 1551] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1551] chdir("./40") = 0 [pid 1551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1551] setpgid(0, 0) = 0 [pid 1551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1551] write(3, "1000", 4) = 4 [pid 1551] close(3) = 0 [pid 1551] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1551] write(1, "executing program\n", 18executing program ) = 18 [pid 1551] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1551] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1551] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1551] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1552]}, 88) = 1552 ./strace-static-x86_64: Process 1552 attached [pid 1552] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1552] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1551] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1552] <... futex resumed>) = 0 [pid 1552] memfd_create("syzkaller", 0 [pid 1551] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1552] <... memfd_create resumed>) = 3 [pid 1552] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./42/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./42/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./42/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./42/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./42/file4") = 0 [pid 286] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./42/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./42") = 0 [pid 286] mkdir("./43", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1556 ./strace-static-x86_64: Process 1556 attached [pid 1556] set_robust_list(0x55557d22a6a0, 24) = 0 [ 95.545775][ T1539] F2FS-fs (loop2): fault_type options not supported [ 95.553736][ T1539] F2FS-fs (loop2): invalid crc value [ 95.566382][ T1539] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 1556] chdir("./43") = 0 [pid 1556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1556] setpgid(0, 0) = 0 [pid 1556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1556] write(3, "1000", 4) = 4 [pid 1556] close(3) = 0 [pid 1556] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1556] write(1, "executing program\n", 18executing program ) = 18 [pid 1556] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1556] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1556] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1556] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1557]}, 88) = 1557 [pid 1556] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1556] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1556] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1557 attached [pid 1557] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1557] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1557] memfd_create("syzkaller", 0) = 3 [pid 1557] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1539] <... mount resumed>) = 0 [pid 1539] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1539] chdir("./file4") = 0 [pid 1539] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1539] ioctl(4, LOOP_CLR_FD) = 0 [pid 1539] close(4) = 0 [pid 1539] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1537] <... futex resumed>) = 0 [pid 1539] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1537] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1539] <... futex resumed>) = 0 [pid 1537] <... futex resumed>) = 1 [pid 1539] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1537] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1539] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 95.606332][ T1539] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 95.613425][ T1539] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 95.646474][ T1539] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 1539] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1537] <... futex resumed>) = 0 [pid 1539] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1537] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1539] <... futex resumed>) = 0 [pid 1537] <... futex resumed>) = 1 [pid 1539] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1537] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1539] <... symlink resumed>) = 0 [pid 1539] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1537] <... futex resumed>) = 0 [pid 1539] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1537] exit_group(0) = ? [pid 1539] <... futex resumed>) = ? [pid 1539] +++ exited with 0 +++ [pid 1537] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1537, si_uid=0, si_status=0, si_utime=7, si_stime=19} --- [pid 285] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./42/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1536] <... mount resumed>) = 0 [pid 1536] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1536] chdir("./file4") = 0 [pid 1536] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1536] ioctl(4, LOOP_CLR_FD) = 0 [pid 1536] close(4) = 0 [pid 1536] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1535] <... futex resumed>) = 0 [pid 1536] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1535] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1535] <... futex resumed>) = 0 [pid 1536] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1535] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1536] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1536] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1535] <... futex resumed>) = 0 [pid 1536] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1535] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1536] <... futex resumed>) = 0 [pid 1535] <... futex resumed>) = 1 [pid 1536] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1535] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1536] <... symlink resumed>) = 0 [pid 1536] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1535] <... futex resumed>) = 0 [pid 1536] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1535] exit_group(0) = ? [pid 1536] <... futex resumed>) = ? [pid 1536] +++ exited with 0 +++ [pid 1535] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1535, si_uid=0, si_status=0, si_utime=9, si_stime=17} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 95.654463][ T1536] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 95.665774][ T1536] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 95.696277][ T1536] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 287] umount2("./41/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1532] <... mount resumed>) = 0 [pid 1552] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1532] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1532] chdir("./file4") = 0 [pid 1532] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1532] ioctl(4, LOOP_CLR_FD) = 0 [pid 1532] close(4) = 0 [pid 1532] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1530] <... futex resumed>) = 0 [pid 1532] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1530] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1530] <... futex resumed>) = 0 [pid 1532] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 95.725988][ T1532] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 95.745875][ T1532] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 1530] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1532] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1532] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1530] <... futex resumed>) = 0 [pid 1532] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1530] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1530] <... futex resumed>) = 0 [pid 1532] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1530] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1532] <... symlink resumed>) = 0 [pid 1532] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1530] <... futex resumed>) = 0 [pid 1532] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1530] exit_group(0) = ? [pid 1532] <... futex resumed>) = ? [pid 1532] +++ exited with 0 +++ [pid 1530] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1530, si_uid=0, si_status=0, si_utime=7, si_stime=16} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 95.796553][ T1532] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 283] umount2("./40/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1552] <... write resumed>) = 20699119 [pid 1552] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1552] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1552] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1552] close(3) = 0 [pid 1552] close(4) = 0 [pid 1552] mkdir("./file4", 0777) = 0 [ 95.897912][ T1552] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 95.905020][ T1552] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [pid 1552] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1557] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./42/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./42/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./42/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./42/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./42/file4") = 0 [pid 285] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./42/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./42") = 0 [pid 285] mkdir("./43", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1561 ./strace-static-x86_64: Process 1561 attached [pid 1561] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1561] chdir("./43") = 0 [pid 1561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1561] setpgid(0, 0) = 0 [pid 1561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1561] write(3, "1000", 4) = 4 [pid 1561] close(3) = 0 [pid 1561] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1561] write(1, "executing program\n", 18executing program ) = 18 [pid 1561] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1561] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1561] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1561] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1561] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1563]}, 88) = 1563 [pid 1561] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1561] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1561] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1563 attached [pid 1563] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1563] rt_sigprocmask(SIG_SETMASK, [], [pid 287] <... umount2 resumed>) = 0 [pid 1563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1563] memfd_create("syzkaller", 0) = 3 [pid 1563] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 287] umount2("./41/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./41/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./41/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 95.955933][ T1552] F2FS-fs (loop1): fault_injection options not supported [ 95.963025][ T1552] F2FS-fs (loop1): fault_type options not supported [ 95.986678][ T1552] F2FS-fs (loop1): invalid crc value [pid 287] openat(AT_FDCWD, "./41/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", [pid 283] <... umount2 resumed>) = 0 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./41/file4") = 0 [pid 287] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./41/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./41") = 0 [pid 287] mkdir("./42", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1565 [pid 283] umount2("./40/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./40/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 1565 attached [pid 283] umount2("./40/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1565] set_robust_list(0x55557d22a6a0, 24 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1565] <... set_robust_list resumed>) = 0 [pid 283] openat(AT_FDCWD, "./40/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1565] chdir("./42" [pid 283] <... openat resumed>) = 4 [pid 1565] <... chdir resumed>) = 0 [pid 283] newfstatat(4, "", [pid 1565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1565] <... prctl resumed>) = 0 [pid 1565] setpgid(0, 0 [pid 283] getdents64(4, [pid 1565] <... setpgid resumed>) = 0 [pid 1565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 283] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 1565] <... openat resumed>) = 3 [pid 283] getdents64(4, [pid 1565] write(3, "1000", 4 [pid 283] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 1565] <... write resumed>) = 4 [pid 283] close(4 [pid 1565] close(3 [pid 283] <... close resumed>) = 0 [pid 1565] <... close resumed>) = 0 [pid 283] rmdir("./40/file4" [pid 1565] symlink("/dev/binderfs", "./binderfs" [pid 283] <... rmdir resumed>) = 0 executing program [pid 1565] <... symlink resumed>) = 0 [pid 283] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1565] write(1, "executing program\n", 18 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1565] <... write resumed>) = 18 [pid 283] newfstatat(AT_FDCWD, "./40/binderfs", [pid 1565] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 283] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1565] <... futex resumed>) = 0 [pid 283] unlink("./40/binderfs" [pid 1565] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 283] <... unlink resumed>) = 0 [pid 1565] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 283] getdents64(3, [pid 1565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 283] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 1565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 283] close(3 [pid 1565] <... mmap resumed>) = 0x7fb743ef6000 [pid 1565] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 283] <... close resumed>) = 0 [pid 1565] <... mprotect resumed>) = 0 [pid 283] rmdir("./40" [pid 1565] rt_sigprocmask(SIG_BLOCK, ~[], [pid 283] <... rmdir resumed>) = 0 [pid 1565] <... rt_sigprocmask resumed>[], 8) = 0 [pid 283] mkdir("./41", 0777 [pid 1565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 283] <... mkdir resumed>) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1565] <... clone3 resumed> => {parent_tid=[1566]}, 88) = 1566 [pid 1565] rt_sigprocmask(SIG_SETMASK, [], [pid 283] <... openat resumed>) = 3 [pid 1565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 283] ioctl(3, LOOP_CLR_FD [pid 1565] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 283] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1565] <... futex resumed>) = 0 [pid 283] close(3 [pid 1565] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 283] <... close resumed>) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1567 ./strace-static-x86_64: Process 1567 attached ./strace-static-x86_64: Process 1566 attached [pid 1567] set_robust_list(0x55557d22a6a0, 24 [pid 1566] set_robust_list(0x7fb743f169a0, 24 [pid 1567] <... set_robust_list resumed>) = 0 [pid 1566] <... set_robust_list resumed>) = 0 [pid 1567] chdir("./41" [pid 1566] rt_sigprocmask(SIG_SETMASK, [], [pid 1567] <... chdir resumed>) = 0 [pid 1567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1567] <... prctl resumed>) = 0 [pid 1566] memfd_create("syzkaller", 0 [pid 1567] setpgid(0, 0) = 0 [pid 1566] <... memfd_create resumed>) = 3 [pid 1567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1566] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 1567] <... openat resumed>) = 3 [pid 1566] <... mmap resumed>) = 0x7fb73baf6000 [pid 1567] write(3, "1000", 4) = 4 [pid 1567] close(3) = 0 [pid 1567] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1567] write(1, "executing program\n", 18) = 18 [ 96.026362][ T1552] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 1567] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1567] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1567] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1567] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1567] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1567] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1568]}, 88) = 1568 [pid 1567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1567] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1567] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1568 attached [pid 1568] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1568] memfd_create("syzkaller", 0) = 3 [pid 1568] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1557] <... write resumed>) = 20699119 [pid 1557] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1557] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1557] ioctl(4, LOOP_SET_FD, 3 [pid 1552] <... mount resumed>) = 0 [pid 1552] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1552] chdir("./file4" [pid 1557] <... ioctl resumed>) = 0 [pid 1552] <... chdir resumed>) = 0 [pid 1557] close(3) = 0 [pid 1552] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1557] close(4) = 0 [pid 1557] mkdir("./file4", 0777) = 0 [pid 1552] <... openat resumed>) = 4 [pid 1557] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1552] ioctl(4, LOOP_CLR_FD) = 0 [pid 1552] close(4) = 0 [pid 1552] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1551] <... futex resumed>) = 0 [pid 1552] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1551] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1551] <... futex resumed>) = 0 [ 96.127136][ T1552] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 96.135784][ T1552] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 96.159469][ T1557] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [pid 1552] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1551] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1552] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1552] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1551] <... futex resumed>) = 0 [pid 1552] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1551] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1551] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1552] <... symlink resumed>) = 0 [pid 1552] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1551] <... futex resumed>) = 0 [pid 1552] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1551] exit_group(0 [pid 1552] <... futex resumed>) = ? [pid 1551] <... exit_group resumed>) = ? [pid 1552] +++ exited with 0 +++ [pid 1551] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1551, si_uid=0, si_status=0, si_utime=9, si_stime=15} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 96.177433][ T1552] F2FS-fs (loop1): switch discard_unit option is not allowed [ 96.190213][ T1557] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [pid 284] umount2("./40/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 96.220206][ T1557] F2FS-fs (loop3): fault_injection options not supported [ 96.250655][ T1557] F2FS-fs (loop3): fault_type options not supported [pid 1563] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 1563] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1563] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 96.286034][ T1557] F2FS-fs (loop3): invalid crc value [pid 1563] ioctl(4, LOOP_SET_FD, 3 [pid 1566] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1563] <... ioctl resumed>) = 0 [pid 1563] close(3) = 0 [pid 1563] close(4) = 0 [pid 1563] mkdir("./file4", 0777) = 0 [ 96.326412][ T1557] F2FS-fs (loop3): Found nat_bits in checkpoint [ 96.356432][ T1563] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 96.366426][ T1563] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [pid 1563] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./40/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./40/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./40/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./40/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [ 96.385310][ T1563] F2FS-fs (loop2): fault_injection options not supported [ 96.405773][ T1563] F2FS-fs (loop2): fault_type options not supported [ 96.413431][ T1563] F2FS-fs (loop2): invalid crc value [pid 284] rmdir("./40/file4") = 0 [pid 284] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./40/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./40") = 0 [pid 284] mkdir("./41", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1577 [pid 1568] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 1577 attached [pid 1577] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1577] chdir("./41" [pid 1557] <... mount resumed>) = 0 [pid 1577] <... chdir resumed>) = 0 [pid 1557] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1577] setpgid(0, 0) = 0 [pid 1557] <... openat resumed>) = 3 [pid 1577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1557] chdir("./file4" [pid 1577] <... openat resumed>) = 3 [pid 1557] <... chdir resumed>) = 0 [pid 1577] write(3, "1000", 4 [pid 1557] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1577] <... write resumed>) = 4 [pid 1557] <... openat resumed>) = 4 [pid 1577] close(3 [pid 1557] ioctl(4, LOOP_CLR_FD [pid 1577] <... close resumed>) = 0 [pid 1557] <... ioctl resumed>) = 0 [pid 1577] symlink("/dev/binderfs", "./binderfs" [pid 1557] close(4 [pid 1577] <... symlink resumed>) = 0 [pid 1577] write(1, "executing program\n", 18 [pid 1557] <... close resumed>) = 0 executing program [pid 1577] <... write resumed>) = 18 [pid 1557] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1577] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1557] <... futex resumed>) = 1 [pid 1556] <... futex resumed>) = 0 [ 96.441700][ T1563] F2FS-fs (loop2): Found nat_bits in checkpoint [ 96.466861][ T1557] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 96.484423][ T1557] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 1557] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1556] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1557] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1556] <... futex resumed>) = 0 [pid 1577] <... futex resumed>) = 0 [pid 1556] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1577] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1577] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1577] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1577] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1579]}, 88) = 1579 [pid 1577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1577] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1577] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1557] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1557] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1556] <... futex resumed>) = 0 [pid 1556] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1557] <... futex resumed>) = 0 [pid 1557] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1556] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1557] <... symlink resumed>) = 0 [pid 1557] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1557] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1556] <... futex resumed>) = 0 [pid 1556] exit_group(0) = ? [pid 1557] <... futex resumed>) = ? [pid 1557] +++ exited with 0 +++ ./strace-static-x86_64: Process 1579 attached [pid 1579] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1579] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1579] memfd_create("syzkaller", 0) = 3 [pid 1579] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 1556] +++ exited with 0 +++ [pid 1579] <... mmap resumed>) = 0x7fb73baf6000 [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1556, si_uid=0, si_status=0, si_utime=12, si_stime=14} --- [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 1566] <... write resumed>) = 20699119 [pid 1566] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1566] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1566] ioctl(4, LOOP_SET_FD, 3 [pid 286] <... restart_syscall resumed>) = 0 [pid 286] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1563] <... mount resumed>) = 0 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1563] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1563] chdir("./file4") = 0 [pid 1563] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 286] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1566] <... ioctl resumed>) = 0 [pid 1563] <... openat resumed>) = 4 [pid 1563] ioctl(4, LOOP_CLR_FD [pid 1566] close(3 [pid 286] <... openat resumed>) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 96.507287][ T1557] F2FS-fs (loop3): switch discard_unit option is not allowed [ 96.515685][ T1563] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 96.534348][ T1563] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 286] umount2("./43/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1566] <... close resumed>) = 0 [pid 1566] close(4) = 0 [pid 1566] mkdir("./file4", 0777) = 0 [pid 1566] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1563] <... ioctl resumed>) = 0 [pid 1563] close(4) = 0 [pid 1563] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1561] <... futex resumed>) = 0 [pid 1561] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1561] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1563] <... futex resumed>) = 1 [pid 1563] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1563] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1561] <... futex resumed>) = 0 [pid 1561] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1561] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1563] <... futex resumed>) = 1 [pid 1563] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1563] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1561] <... futex resumed>) = 0 [pid 1561] exit_group(0) = ? [pid 1563] <... futex resumed>) = ? [pid 1563] +++ exited with 0 +++ [pid 1561] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1561, si_uid=0, si_status=0, si_utime=12, si_stime=18} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 1568] <... write resumed>) = 20699119 [pid 285] <... restart_syscall resumed>) = 0 [pid 1568] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1568] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 285] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1568] ioctl(4, LOOP_SET_FD, 3 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./43/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1568] <... ioctl resumed>) = 0 [pid 1568] close(3) = 0 [pid 1568] close(4) = 0 [pid 1568] mkdir("./file4", 0777) = 0 [ 96.565615][ T1566] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 96.574710][ T1563] F2FS-fs (loop2): switch discard_unit option is not allowed [ 96.603260][ T1566] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 96.639183][ T1568] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 96.646007][ T1566] F2FS-fs (loop4): fault_injection options not supported [ 96.647997][ T1568] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 96.653482][ T1566] F2FS-fs (loop4): fault_type options not supported [ 96.676000][ T1568] F2FS-fs (loop0): fault_injection options not supported [ 96.683616][ T1568] F2FS-fs (loop0): fault_type options not supported [pid 1568] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 96.725292][ T1568] F2FS-fs (loop0): invalid crc value [ 96.731668][ T1566] F2FS-fs (loop4): invalid crc value [ 96.739338][ T1568] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1579] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 1579] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1579] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 96.767254][ T1566] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 1579] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1579] close(3) = 0 [pid 1579] close(4) = 0 [pid 1579] mkdir("./file4", 0777) = 0 [pid 1579] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1566] <... mount resumed>) = 0 [pid 1566] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1566] chdir("./file4") = 0 [pid 1566] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1566] ioctl(4, LOOP_CLR_FD) = 0 [pid 1566] close(4) = 0 [ 96.833006][ T1579] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 96.840225][ T1579] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 96.848803][ T1566] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 96.856001][ T1566] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 96.863749][ T1579] F2FS-fs (loop1): fault_injection options not supported [ 96.871069][ T1579] F2FS-fs (loop1): fault_type options not supported [pid 1566] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1565] <... futex resumed>) = 0 [pid 1566] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1565] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1566] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1565] <... futex resumed>) = 0 [pid 1565] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1566] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1565] <... futex resumed>) = 0 [pid 1566] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1565] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1565] <... futex resumed>) = 0 [pid 285] <... umount2 resumed>) = 0 [pid 1566] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1565] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1566] <... symlink resumed>) = 0 [pid 1566] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1565] <... futex resumed>) = 0 [pid 1566] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1565] exit_group(0 [pid 1566] <... futex resumed>) = ? [pid 1565] <... exit_group resumed>) = ? [pid 1566] +++ exited with 0 +++ [pid 1565] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1565, si_uid=0, si_status=0, si_utime=8, si_stime=20} --- [pid 286] <... umount2 resumed>) = 0 [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./43/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 285] newfstatat(AT_FDCWD, "./43/file4", [pid 287] <... openat resumed>) = 3 [pid 287] newfstatat(3, "", [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] umount2("./43/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] getdents64(3, [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./42/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] openat(AT_FDCWD, "./43/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 1568] <... mount resumed>) = 0 [ 96.877336][ T1566] F2FS-fs (loop4): switch discard_unit option is not allowed [ 96.878806][ T1579] F2FS-fs (loop1): invalid crc value [ 96.906189][ T1568] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 96.907004][ T1579] F2FS-fs (loop1): Found nat_bits in checkpoint [ 96.913378][ T1568] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 285] rmdir("./43/file4") = 0 [pid 285] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./43/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./43") = 0 [pid 285] mkdir("./44", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3 [pid 1568] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1579] <... mount resumed>) = 0 [pid 286] umount2("./43/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1579] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1568] <... openat resumed>) = 3 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] <... close resumed>) = 0 [pid 1579] <... openat resumed>) = 3 [pid 1568] chdir("./file4" [pid 286] newfstatat(AT_FDCWD, "./43/file4", [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1579] chdir("./file4" [pid 1568] <... chdir resumed>) = 0 [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 1592 attached [pid 1579] <... chdir resumed>) = 0 [pid 1568] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 286] umount2("./43/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 1592 [pid 1579] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1568] <... openat resumed>) = 4 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1579] <... openat resumed>) = 4 [pid 1568] ioctl(4, LOOP_CLR_FD [pid 286] openat(AT_FDCWD, "./43/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1579] ioctl(4, LOOP_CLR_FD [pid 1568] <... ioctl resumed>) = 0 [pid 1579] <... ioctl resumed>) = 0 [pid 286] <... openat resumed>) = 4 [pid 1568] close(4 [pid 1579] close(4 [pid 286] newfstatat(4, "", [ 96.958479][ T1579] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 96.965569][ T1579] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 96.994740][ T1579] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 1592] set_robust_list(0x55557d22a6a0, 24 [pid 1579] <... close resumed>) = 0 [pid 1568] <... close resumed>) = 0 [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1579] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1568] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] getdents64(4, [pid 1579] <... futex resumed>) = 1 [pid 1577] <... futex resumed>) = 0 [pid 1568] <... futex resumed>) = 1 [pid 1567] <... futex resumed>) = 0 executing program [pid 1579] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1577] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1568] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1567] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 1577] <... futex resumed>) = 0 [pid 1577] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1592] <... set_robust_list resumed>) = 0 [pid 1592] chdir("./44") = 0 [pid 1592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1592] setpgid(0, 0) = 0 [pid 1592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1592] write(3, "1000", 4) = 4 [pid 1592] close(3) = 0 [pid 1592] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1592] write(1, "executing program\n", 18) = 18 [pid 1592] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1592] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1592] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1592] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1593]}, 88) = 1593 [pid 1592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1592] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1592] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1593 attached [pid 1593] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1593] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1593] memfd_create("syzkaller", 0) = 3 [pid 1593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1567] <... futex resumed>) = 0 [pid 1568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1567] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 286] getdents64(4, [pid 1568] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 286] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./43/file4") = 0 [pid 286] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./43/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./43" [pid 1579] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1568] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 286] <... rmdir resumed>) = 0 [pid 1579] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1568] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] mkdir("./44", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1568] <... futex resumed>) = 1 [pid 1567] <... futex resumed>) = 0 [pid 1579] <... futex resumed>) = 1 [pid 1567] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1577] <... futex resumed>) = 0 [pid 1567] <... futex resumed>) = 0 [pid 1577] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1567] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1577] <... futex resumed>) = 0 [pid 1577] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1568] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1579] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1579] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1577] <... futex resumed>) = 0 [pid 1577] exit_group(0) = ? [pid 1579] <... futex resumed>) = ? [pid 286] <... openat resumed>) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1568] <... symlink resumed>) = 0 [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 1594 ./strace-static-x86_64: Process 1594 attached [pid 1568] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1567] <... futex resumed>) = 0 [pid 1594] set_robust_list(0x55557d22a6a0, 24 [pid 1568] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1594] <... set_robust_list resumed>) = 0 [pid 1567] exit_group(0 [pid 1568] <... futex resumed>) = ? [pid 1567] <... exit_group resumed>) = ? [pid 1568] +++ exited with 0 +++ [pid 1567] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1567, si_uid=0, si_status=0, si_utime=10, si_stime=19} --- [pid 1594] chdir("./44" [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 1594] <... chdir resumed>) = 0 [pid 1594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1594] setpgid(0, 0) = 0 [pid 1594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1594] write(3, "1000", 4) = 4 [pid 1594] close(3) = 0 [pid 1594] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1594] write(1, "executing program\n", 18executing program ) = 18 [pid 1594] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1594] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1594] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1594] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1594] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1595]}, 88) = 1595 [pid 1594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1594] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1594] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 283] <... restart_syscall resumed>) = 0 [pid 1579] +++ exited with 0 +++ [pid 1577] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1577, si_uid=0, si_status=0, si_utime=8, si_stime=22} --- [pid 283] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 283] newfstatat(3, "", [pid 284] <... openat resumed>) = 3 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] newfstatat(3, "", [pid 283] getdents64(3, [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] getdents64(3, [pid 283] umount2("./41/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [ 97.002595][ T1568] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 284] umount2("./41/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1595 attached [pid 1595] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1595] memfd_create("syzkaller", 0) = 3 [pid 1595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./42/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./42/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./42/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./42/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./42/file4") = 0 [pid 287] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./42/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./42") = 0 [pid 287] mkdir("./43", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1596 ./strace-static-x86_64: Process 1596 attached [pid 1596] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1596] chdir("./43") = 0 [pid 1596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1596] setpgid(0, 0) = 0 [pid 1596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1596] write(3, "1000", 4) = 4 [pid 1596] close(3) = 0 [pid 1596] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1596] write(1, "executing program\n", 18executing program ) = 18 [pid 1596] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1596] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1596] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1596] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1596] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1597]}, 88) = 1597 [pid 1596] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1596] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1596] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1593] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 1597 attached [pid 1597] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1597] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1597] memfd_create("syzkaller", 0 [pid 284] <... umount2 resumed>) = 0 [pid 1597] <... memfd_create resumed>) = 3 [pid 1597] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 284] umount2("./41/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./41/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./41/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./41/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./41/file4") = 0 [pid 284] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./41/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./41") = 0 [pid 284] mkdir("./42", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3 [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./41/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] <... close resumed>) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./41/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./41/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./41/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./41/file4") = 0 [pid 283] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./41/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./41") = 0 [pid 283] mkdir("./42", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3 [pid 284] <... clone resumed>, child_tidptr=0x55557d22a690) = 1598 [pid 283] <... close resumed>) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1599 ./strace-static-x86_64: Process 1598 attached [pid 1598] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1598] chdir("./42") = 0 [pid 1598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1598] setpgid(0, 0) = 0 [pid 1598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1598] write(3, "1000", 4) = 4 [pid 1598] close(3) = 0 [pid 1598] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1598] write(1, "executing program\n", 18) = 18 [pid 1598] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1598] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1598] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1598] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1598] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 1599 attached [], 8) = 0 [pid 1599] set_robust_list(0x55557d22a6a0, 24 [pid 1598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 1599] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 1600 attached [pid 1599] chdir("./42") = 0 [pid 1599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1598] <... clone3 resumed> => {parent_tid=[1600]}, 88) = 1600 [pid 1598] rt_sigprocmask(SIG_SETMASK, [], [pid 1600] set_robust_list(0x7fb743f169a0, 24 [pid 1599] <... prctl resumed>) = 0 [pid 1598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1599] setpgid(0, 0 [pid 1598] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1598] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1599] <... setpgid resumed>) = 0 [pid 1600] <... set_robust_list resumed>) = 0 [pid 1600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1600] memfd_create("syzkaller", 0) = 3 [pid 1600] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 1599] write(3, "1000", 4) = 4 [pid 1599] close(3) = 0 [pid 1599] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1599] write(1, "executing program\n", 18 [pid 1595] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1599] <... write resumed>) = 18 [pid 1599] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1599] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1599] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1599] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1599] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1601]}, 88) = 1601 [pid 1599] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1599] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1599] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1601 attached [pid 1601] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1601] memfd_create("syzkaller", 0) = 3 [pid 1601] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1593] <... write resumed>) = 20699119 [pid 1593] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1593] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1593] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1593] close(3) = 0 [pid 1593] close(4) = 0 [pid 1593] mkdir("./file4", 0777) = 0 [ 97.414548][ T1593] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 97.432116][ T1593] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 97.440798][ T1593] F2FS-fs (loop2): fault_injection options not supported [ 97.448155][ T1593] F2FS-fs (loop2): fault_type options not supported [ 97.456147][ T1593] F2FS-fs (loop2): invalid crc value [pid 1593] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1595] <... write resumed>) = 20699119 [pid 1595] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1595] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1595] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1595] close(3) = 0 [pid 1595] close(4) = 0 [pid 1595] mkdir("./file4", 0777) = 0 [ 97.482916][ T1593] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 1595] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1593] <... mount resumed>) = 0 [pid 1593] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1593] chdir("./file4") = 0 [pid 1593] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1593] ioctl(4, LOOP_CLR_FD) = 0 [pid 1593] close(4) = 0 [pid 1593] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1592] <... futex resumed>) = 0 [pid 1593] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1592] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1592] <... futex resumed>) = 0 [pid 1593] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1592] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1593] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1593] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1592] <... futex resumed>) = 0 [pid 1592] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1592] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1593] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1593] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1593] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1592] <... futex resumed>) = 0 [pid 1592] exit_group(0) = ? [pid 1593] <... futex resumed>) = ? [pid 1593] +++ exited with 0 +++ [pid 1592] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1592, si_uid=0, si_status=0, si_utime=10, si_stime=23} --- [ 97.530374][ T1595] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 97.537869][ T1593] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 97.545409][ T1593] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 97.562832][ T1595] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 97.572240][ T1593] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./44/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1601] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [ 97.589847][ T1595] F2FS-fs (loop3): fault_injection options not supported [ 97.616441][ T1595] F2FS-fs (loop3): fault_type options not supported [ 97.633540][ T1595] F2FS-fs (loop3): invalid crc value [pid 1597] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1600] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1595] <... mount resumed>) = 0 [pid 1595] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1595] chdir("./file4") = 0 [ 97.666550][ T1595] F2FS-fs (loop3): Found nat_bits in checkpoint [ 97.705902][ T1595] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [pid 1595] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1595] ioctl(4, LOOP_CLR_FD) = 0 [pid 1595] close(4) = 0 [pid 1595] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1594] <... futex resumed>) = 0 [pid 1594] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1594] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 97.713222][ T1595] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 1595] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1595] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1594] <... futex resumed>) = 0 [pid 1594] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1594] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1595] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1595] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1594] <... futex resumed>) = 0 [pid 1595] <... futex resumed>) = 1 [pid 1594] exit_group(0) = ? [pid 1595] +++ exited with 0 +++ [pid 1594] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1594, si_uid=0, si_status=0, si_utime=7, si_stime=19} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./44/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1601] <... write resumed>) = 20699119 [pid 1601] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1601] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1601] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1601] close(3) = 0 [pid 1601] close(4) = 0 [pid 1601] mkdir("./file4", 0777) = 0 [ 97.749725][ T1595] F2FS-fs (loop3): switch discard_unit option is not allowed [ 97.808971][ T1601] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 97.825813][ T1601] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 97.835006][ T1601] F2FS-fs (loop0): fault_injection options not supported [ 97.842118][ T1601] F2FS-fs (loop0): fault_type options not supported [ 97.849786][ T1601] F2FS-fs (loop0): invalid crc value [pid 1601] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1600] <... write resumed>) = 20699119 [pid 1600] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1600] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1597] <... write resumed>) = 20699119 [pid 1600] <... openat resumed>) = 4 [pid 1600] ioctl(4, LOOP_SET_FD, 3 [pid 1597] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1600] <... ioctl resumed>) = 0 [pid 1600] close(3) = 0 [pid 1600] close(4) = 0 [pid 1600] mkdir("./file4", 0777) = 0 [pid 1600] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1597] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 97.862202][ T1601] F2FS-fs (loop0): Found nat_bits in checkpoint [ 97.894491][ T1600] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [pid 1597] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1597] close(3) = 0 [pid 1597] close(4 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./44/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./44/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./44/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./44/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 1597] <... close resumed>) = 0 [pid 1597] mkdir("./file4", 0777) = 0 [pid 1597] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./44/file4") = 0 [pid 285] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./44/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./44") = 0 [pid 285] mkdir("./45", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1616 ./strace-static-x86_64: Process 1616 attached [pid 1616] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1616] chdir("./45") = 0 [pid 1616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 97.908387][ T1600] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 97.928429][ T1597] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 97.935432][ T1597] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 97.946088][ T1601] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 97.953241][ T1601] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 1616] setpgid(0, 0) = 0 [pid 1601] <... mount resumed>) = 0 [pid 1601] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1601] <... openat resumed>) = 3 [pid 1616] <... openat resumed>) = 3 [pid 1601] chdir("./file4") = 0 [pid 1601] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1616] write(3, "1000", 4) = 4 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./44/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1601] ioctl(4, LOOP_CLR_FD) = 0 [pid 1616] close(3) = 0 [pid 1601] close(4 [pid 1616] symlink("/dev/binderfs", "./binderfs" [pid 1601] <... close resumed>) = 0 [pid 1616] <... symlink resumed>) = 0 [pid 1601] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1599] <... futex resumed>) = 0 [pid 1599] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1599] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1601] <... futex resumed>) = 1 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1601] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 286] newfstatat(AT_FDCWD, "./44/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./44/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./44/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 1616] write(1, "executing program\n", 18executing program ) = 18 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./44/file4" [pid 1616] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1616] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1616] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1616] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1616] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1617]}, 88) = 1617 [pid 1616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1616] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1616] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1617 attached [pid 1617] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1601] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 97.962465][ T1600] F2FS-fs (loop1): fault_injection options not supported [ 97.982247][ T1597] F2FS-fs (loop4): fault_injection options not supported [ 97.990409][ T1601] F2FS-fs (loop0): switch discard_unit option is not allowed [ 98.001689][ T1600] F2FS-fs (loop1): fault_type options not supported [pid 1617] rt_sigprocmask(SIG_SETMASK, [], [pid 1601] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1599] <... futex resumed>) = 0 [pid 1599] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1599] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1601] <... futex resumed>) = 1 [pid 1601] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 286] <... rmdir resumed>) = 0 [pid 1617] memfd_create("syzkaller", 0) = 3 [pid 286] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1617] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1617] <... mmap resumed>) = 0x7fb73baf6000 [pid 286] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1601] <... symlink resumed>) = 0 [pid 286] unlink("./44/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./44") = 0 [pid 286] mkdir("./45", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1619 [pid 1601] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1599] <... futex resumed>) = 0 [pid 1599] exit_group(0) = ? [pid 1601] <... futex resumed>) = ? [pid 1601] +++ exited with 0 +++ [pid 1599] +++ exited with 0 +++ ./strace-static-x86_64: Process 1619 attached [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1599, si_uid=0, si_status=0, si_utime=10, si_stime=19} --- [pid 1619] set_robust_list(0x55557d22a6a0, 24 [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 1619] <... set_robust_list resumed>) = 0 [pid 1619] chdir("./45" [pid 283] <... restart_syscall resumed>) = 0 [pid 1619] <... chdir resumed>) = 0 [pid 1619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1619] setpgid(0, 0) = 0 [pid 283] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1619] <... openat resumed>) = 3 [pid 283] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1619] write(3, "1000", 4 [pid 283] <... openat resumed>) = 3 [pid 1619] <... write resumed>) = 4 [pid 283] newfstatat(3, "", [pid 1619] close(3 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1619] <... close resumed>) = 0 [pid 283] getdents64(3, [pid 1619] symlink("/dev/binderfs", "./binderfs" [pid 283] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 1619] <... symlink resumed>) = 0 [pid 283] umount2("./42/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1619] write(1, "executing program\n", 18executing program ) = 18 [pid 1619] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1619] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1619] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 98.009640][ T1597] F2FS-fs (loop4): fault_type options not supported [ 98.016473][ T1600] F2FS-fs (loop1): invalid crc value [ 98.024344][ T1597] F2FS-fs (loop4): invalid crc value [ 98.043451][ T1600] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 1619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1619] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1619] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1623]}, 88) = 1623 [pid 1619] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1619] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1619] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1623 attached [pid 1623] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1623] memfd_create("syzkaller", 0) = 3 [pid 1623] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 98.057869][ T1597] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 1600] <... mount resumed>) = 0 [pid 1600] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1600] chdir("./file4") = 0 [pid 1600] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1600] ioctl(4, LOOP_CLR_FD) = 0 [pid 1600] close(4) = 0 [pid 1600] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1598] <... futex resumed>) = 0 [pid 1598] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1600] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1598] <... futex resumed>) = 0 [ 98.129768][ T1600] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 98.137852][ T1600] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 98.153782][ T1600] F2FS-fs (loop1): switch discard_unit option is not allowed [ 98.166134][ T1597] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [pid 1598] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1600] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1600] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1598] <... futex resumed>) = 0 [pid 1598] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1598] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1600] <... futex resumed>) = 1 [pid 1600] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1600] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1598] <... futex resumed>) = 0 [pid 1598] exit_group(0) = ? [pid 1600] <... futex resumed>) = ? [pid 1600] +++ exited with 0 +++ [pid 1598] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1598, si_uid=0, si_status=0, si_utime=5, si_stime=20} --- [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 1597] <... mount resumed>) = 0 [pid 1597] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1597] chdir("./file4") = 0 [pid 1597] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1597] ioctl(4, LOOP_CLR_FD) = 0 [pid 1597] close(4) = 0 [pid 1597] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1597] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 284] <... restart_syscall resumed>) = 0 [pid 284] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./42/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1596] <... futex resumed>) = 0 [pid 1596] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1596] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1597] <... futex resumed>) = 0 [ 98.175769][ T1597] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 1597] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1597] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1596] <... futex resumed>) = 0 [pid 1596] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1596] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1597] <... futex resumed>) = 1 [pid 1597] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1597] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1596] <... futex resumed>) = 0 [pid 1596] exit_group(0) = ? [pid 1597] +++ exited with 0 +++ [pid 1596] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1596, si_uid=0, si_status=0, si_utime=9, si_stime=15} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 98.206700][ T1597] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 287] umount2("./43/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./42/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./42/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./42/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./42/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./42/file4") = 0 [pid 283] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./42/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./42") = 0 [pid 283] mkdir("./43", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1626 ./strace-static-x86_64: Process 1626 attached [pid 1626] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1626] chdir("./43") = 0 [pid 1626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1626] setpgid(0, 0) = 0 [pid 1626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1617] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1626] <... openat resumed>) = 3 [pid 1626] write(3, "1000", 4) = 4 [pid 1626] close(3) = 0 [pid 1626] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1626] write(1, "executing program\n", 18executing program ) = 18 [pid 1626] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1626] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1626] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1626] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1626] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0}./strace-static-x86_64: Process 1627 attached [pid 1627] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1627] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1626] <... clone3 resumed> => {parent_tid=[1627]}, 88) = 1627 [pid 1626] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1626] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1627] <... futex resumed>) = 0 [pid 1626] <... futex resumed>) = 1 [pid 1627] memfd_create("syzkaller", 0) = 3 [pid 1627] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1626] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1623] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./42/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./42/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./42/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./42/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./42/file4") = 0 [pid 284] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./42/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./42") = 0 [pid 284] mkdir("./43", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1628 ./strace-static-x86_64: Process 1628 attached [pid 1628] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1628] chdir("./43") = 0 [pid 1628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1628] setpgid(0, 0) = 0 [pid 1628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1628] write(3, "1000", 4) = 4 [pid 1628] close(3) = 0 [pid 1628] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1628] write(1, "executing program\n", 18executing program ) = 18 [pid 1628] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1628] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1628] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1628] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1628] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1628] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1628] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1629]}, 88) = 1629 [pid 1628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1628] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1628] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1629 attached [pid 1629] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1629] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1629] memfd_create("syzkaller", 0) = 3 [pid 1629] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./43/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./43/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./43/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./43/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./43/file4") = 0 [pid 287] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./43/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./43") = 0 [pid 287] mkdir("./44", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1630 ./strace-static-x86_64: Process 1630 attached [pid 1630] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1630] chdir("./44") = 0 [pid 1630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1630] setpgid(0, 0) = 0 [pid 1630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1630] write(3, "1000", 4) = 4 [pid 1630] close(3) = 0 [pid 1630] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1630] write(1, "executing program\n", 18) = 18 [pid 1630] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1630] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1630] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1630] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1631]}, 88) = 1631 [pid 1630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1630] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1630] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1631 attached [pid 1631] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1631] memfd_create("syzkaller", 0) = 3 [pid 1631] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1617] <... write resumed>) = 20699119 [pid 1617] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1617] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1617] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1617] close(3) = 0 [pid 1617] close(4 [pid 1623] <... write resumed>) = 20699119 [pid 1623] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1623] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1617] <... close resumed>) = 0 [pid 1617] mkdir("./file4", 0777 [pid 1623] ioctl(4, LOOP_SET_FD, 3 [pid 1617] <... mkdir resumed>) = 0 [pid 1617] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1627] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1623] <... ioctl resumed>) = 0 [pid 1623] close(3) = 0 [pid 1623] close(4) = 0 [pid 1623] mkdir("./file4", 0777) = 0 [ 98.608760][ T1617] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 98.618563][ T1623] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 98.625548][ T1623] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [pid 1623] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 98.655032][ T1617] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 98.675837][ T1623] F2FS-fs (loop3): fault_injection options not supported [ 98.683322][ T1623] F2FS-fs (loop3): fault_type options not supported [ 98.691169][ T1623] F2FS-fs (loop3): invalid crc value [ 98.695842][ T1617] F2FS-fs (loop2): fault_injection options not supported [ 98.711498][ T1623] F2FS-fs (loop3): Found nat_bits in checkpoint [ 98.726144][ T1617] F2FS-fs (loop2): fault_type options not supported [pid 1631] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1623] <... mount resumed>) = 0 [pid 1623] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1629] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1623] <... openat resumed>) = 3 [pid 1623] chdir("./file4") = 0 [pid 1623] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1623] ioctl(4, LOOP_CLR_FD) = 0 [pid 1623] close(4) = 0 [pid 1623] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1619] <... futex resumed>) = 0 [pid 1623] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1619] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1619] <... futex resumed>) = 0 [pid 1623] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1619] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1623] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 98.758883][ T1617] F2FS-fs (loop2): invalid crc value [ 98.762125][ T1623] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 98.771362][ T1623] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 98.796425][ T1623] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 1623] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1619] <... futex resumed>) = 0 [pid 1623] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 1619] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1623] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1619] <... futex resumed>) = 0 [pid 1623] <... symlink resumed>) = 0 [pid 1619] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1623] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1623] <... futex resumed>) = 0 [pid 1623] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1619] exit_group(0 [pid 1623] <... futex resumed>) = ? [pid 1619] <... exit_group resumed>) = ? [pid 1623] +++ exited with 0 +++ [pid 1619] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1619, si_uid=0, si_status=0, si_utime=10, si_stime=18} --- [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 1627] <... write resumed>) = 20699119 [pid 286] <... restart_syscall resumed>) = 0 [pid 286] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./45/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1627] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1631] <... write resumed>) = 20699119 [pid 1627] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1627] ioctl(4, LOOP_SET_FD, 3 [pid 1631] munmap(0x7fb73baf6000, 138412032) = 0 [ 98.805101][ T1617] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 1631] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1627] <... ioctl resumed>) = 0 [pid 1627] close(3) = 0 [pid 1627] close(4) = 0 [pid 1627] mkdir("./file4", 0777) = 0 [pid 1627] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1631] <... openat resumed>) = 4 [pid 1631] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1631] close(3) = 0 [pid 1631] close(4) = 0 [pid 1631] mkdir("./file4", 0777) = 0 [ 98.863745][ T1631] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 98.864178][ T1627] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 98.887990][ T1631] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 98.906415][ T1631] F2FS-fs (loop4): fault_injection options not supported [ 98.913847][ T1627] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 98.922161][ T1627] F2FS-fs (loop0): fault_injection options not supported [ 98.929618][ T1627] F2FS-fs (loop0): fault_type options not supported [ 98.936465][ T1631] F2FS-fs (loop4): fault_type options not supported [ 98.937702][ T1627] F2FS-fs (loop0): invalid crc value [ 98.949797][ T1631] F2FS-fs (loop4): invalid crc value [ 98.956055][ T1627] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1631] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1617] <... mount resumed>) = 0 [pid 1629] <... write resumed>) = 20699119 [pid 1617] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1617] chdir("./file4") = 0 [pid 1617] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1617] ioctl(4, LOOP_CLR_FD) = 0 [ 98.987623][ T1631] F2FS-fs (loop4): Found nat_bits in checkpoint [ 99.004693][ T1617] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 99.022310][ T1617] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 99.022591][ T1627] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [pid 1617] close(4) = 0 [pid 1617] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1616] <... futex resumed>) = 0 [pid 1616] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1616] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1617] <... futex resumed>) = 1 [pid 1617] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1627] <... mount resumed>) = 0 [pid 1629] munmap(0x7fb73baf6000, 138412032 [pid 1627] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1629] <... munmap resumed>) = 0 [pid 1629] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1629] ioctl(4, LOOP_SET_FD, 3 [pid 1617] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1617] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1616] <... futex resumed>) = 0 [pid 1616] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1616] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1617] <... futex resumed>) = 1 [pid 1617] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1617] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1616] <... futex resumed>) = 0 [pid 1616] exit_group(0) = ? [pid 1617] <... futex resumed>) = ? [pid 1617] +++ exited with 0 +++ [pid 1616] +++ exited with 0 +++ [pid 1627] <... openat resumed>) = 3 [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1616, si_uid=0, si_status=0, si_utime=9, si_stime=16} --- [pid 1627] chdir("./file4" [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 1627] <... chdir resumed>) = 0 [pid 1627] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 285] <... restart_syscall resumed>) = 0 [pid 1629] <... ioctl resumed>) = 0 [pid 285] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1629] close(3 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1629] <... close resumed>) = 0 [pid 1629] close(4) = 0 [pid 1629] mkdir("./file4", 0777) = 0 [pid 285] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1629] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 285] <... openat resumed>) = 3 [pid 1627] <... openat resumed>) = 4 [pid 286] <... umount2 resumed>) = 0 [pid 285] newfstatat(3, "", [pid 1631] <... mount resumed>) = 0 [pid 1627] ioctl(4, LOOP_CLR_FD [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1627] <... ioctl resumed>) = 0 [pid 285] getdents64(3, [pid 1627] close(4 [pid 285] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 1627] <... close resumed>) = 0 [pid 285] umount2("./45/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1627] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1627] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1631] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1631] chdir("./file4") = 0 [pid 1631] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 99.051214][ T1627] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 99.052414][ T1617] F2FS-fs (loop2): switch discard_unit option is not allowed [ 99.080983][ T1629] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 99.088264][ T1631] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [pid 1631] ioctl(4, LOOP_CLR_FD) = 0 [pid 1631] close(4) = 0 [pid 1631] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1630] <... futex resumed>) = 0 [pid 1630] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1630] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1631] <... futex resumed>) = 1 [pid 1631] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1626] <... futex resumed>) = 0 [pid 1631] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1631] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1630] <... futex resumed>) = 0 [pid 1630] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1630] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1631] <... futex resumed>) = 1 [pid 1631] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1631] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1630] <... futex resumed>) = 0 [pid 1630] exit_group(0) = ? [pid 1631] <... futex resumed>) = ? [pid 1631] +++ exited with 0 +++ [pid 1630] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1630, si_uid=0, si_status=0, si_utime=7, si_stime=18} --- [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 286] umount2("./45/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./45/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./45/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./45/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1626] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... restart_syscall resumed>) = 0 [pid 287] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./44/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1627] <... futex resumed>) = 0 [pid 1626] <... futex resumed>) = 1 [pid 1627] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1626] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./45/file4") = 0 [ 99.088430][ T1629] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 99.095337][ T1631] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 99.108236][ T1631] F2FS-fs (loop4): switch discard_unit option is not allowed [ 99.128750][ T1629] F2FS-fs (loop1): fault_injection options not supported [ 99.136521][ T1627] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 286] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./45/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./45") = 0 [pid 286] mkdir("./46", 0777 [pid 1627] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 286] <... mkdir resumed>) = 0 [pid 1627] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1627] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1649 [pid 1626] <... futex resumed>) = 0 [pid 1626] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1627] <... futex resumed>) = 0 [pid 1626] <... futex resumed>) = 1 [pid 1627] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1626] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1627] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1627] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 1649 attached [pid 1626] <... futex resumed>) = 0 [pid 1649] set_robust_list(0x55557d22a6a0, 24 [pid 1626] exit_group(0 [pid 1627] <... futex resumed>) = ? [pid 1626] <... exit_group resumed>) = ? [pid 1627] +++ exited with 0 +++ [pid 1649] <... set_robust_list resumed>) = 0 [pid 1626] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1626, si_uid=0, si_status=0, si_utime=7, si_stime=23} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 1649] chdir("./46" [pid 283] <... restart_syscall resumed>) = 0 [pid 1649] <... chdir resumed>) = 0 [pid 283] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./43/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1649] setpgid(0, 0) = 0 [pid 1649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1649] write(3, "1000", 4) = 4 [pid 1649] close(3) = 0 [pid 1649] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1649] write(1, "executing program\n", 18) = 18 [pid 1649] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1649] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1649] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1649] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1649] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1649] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1651]}, 88) = 1651 [pid 1649] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1649] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1649] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1651 attached [pid 1651] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1651] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1651] memfd_create("syzkaller", 0) = 3 [pid 1651] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 99.152591][ T1629] F2FS-fs (loop1): fault_type options not supported [ 99.179423][ T1629] F2FS-fs (loop1): invalid crc value [ 99.193411][ T1629] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 1629] <... mount resumed>) = 0 [pid 1629] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1629] chdir("./file4") = 0 [pid 1629] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./44/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./44/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./44/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./44/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./44/file4") = 0 [pid 287] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./44/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./44") = 0 [pid 287] mkdir("./45", 0777) = 0 [ 99.260358][ T1629] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 99.267572][ T1629] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1629] <... openat resumed>) = 4 [pid 287] <... openat resumed>) = 3 [pid 287] ioctl(3, LOOP_CLR_FD [pid 1629] ioctl(4, LOOP_CLR_FD [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./45/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./45/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./45/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./45/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./45/file4") = 0 [pid 285] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./45/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./45") = 0 [pid 285] mkdir("./46", 0777 [pid 1629] <... ioctl resumed>) = 0 [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 285] <... mkdir resumed>) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 1629] close(4 [pid 287] close(3 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1629] <... close resumed>) = 0 [pid 287] <... close resumed>) = 0 [pid 1629] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 1654 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1654 attached [pid 1654] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1654] chdir("./46") = 0 [pid 1654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1654] setpgid(0, 0) = 0 [pid 1654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1654] write(3, "1000", 4) = 4 [pid 1654] close(3) = 0 [pid 1654] symlink("/dev/binderfs", "./binderfs" [pid 1629] <... futex resumed>) = 1 [pid 1628] <... futex resumed>) = 0 [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 1655 executing program executing program [pid 1654] <... symlink resumed>) = 0 [pid 1629] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1628] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1654] write(1, "executing program\n", 18 [pid 1628] <... futex resumed>) = 0 [pid 1654] <... write resumed>) = 18 [pid 1654] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1654] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1654] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1654] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1654] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1654] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1656]}, 88) = 1656 [pid 1654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1654] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1654] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1655 attached [pid 1655] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1655] chdir("./45") = 0 [pid 1655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1655] setpgid(0, 0) = 0 [pid 1655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1655] write(3, "1000", 4) = 4 [pid 1655] close(3) = 0 [pid 1655] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1655] write(1, "executing program\n", 18) = 18 [pid 1655] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1655] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1655] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1655] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1655] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1655] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1657]}, 88) = 1657 [pid 1655] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1655] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1655] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1657 attached [pid 1657] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1657] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1657] memfd_create("syzkaller", 0) = 3 [pid 1657] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1629] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1628] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1629] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1628] <... futex resumed>) = 0 [pid 1629] <... futex resumed>) = 1 [pid 1628] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1629] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1628] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 1656 attached [pid 1656] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1656] memfd_create("syzkaller", 0) = 3 [pid 1656] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1651] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1628] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 1629] <... symlink resumed>) = 0 [pid 1629] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 99.357334][ T1629] F2FS-fs (loop1): switch discard_unit option is not allowed [ 99.387151][ T1629] handle_bad_sector: 36 callbacks suppressed [ 99.387165][ T1629] attempt to access beyond end of device [ 99.387165][ T1629] loop1: rw=2049, want=53256, limit=40427 [pid 1629] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1628] exit_group(0) = ? [pid 1629] <... futex resumed>) = 231 [pid 1629] +++ exited with 0 +++ [pid 1628] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1628, si_uid=0, si_status=0, si_utime=9, si_stime=20} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./43/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./43/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./43/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./43/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./43/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./43/file4") = 0 [pid 283] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./43/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./43") = 0 [pid 283] mkdir("./44", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1658 ./strace-static-x86_64: Process 1658 attached [pid 1658] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1658] chdir("./44") = 0 [pid 1658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1658] setpgid(0, 0) = 0 [pid 1658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1658] write(3, "1000", 4) = 4 [pid 1658] close(3) = 0 [pid 1658] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1658] write(1, "executing program\n", 18executing program ) = 18 [pid 1658] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1658] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1658] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1658] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1659]}, 88) = 1659 [pid 1658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 99.442959][ T284] attempt to access beyond end of device [ 99.442959][ T284] loop1: rw=2049, want=45104, limit=40427 [pid 1658] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1658] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1659 attached [pid 1659] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1659] memfd_create("syzkaller", 0) = 3 [pid 1659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1657] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1651] <... write resumed>) = 20699119 [pid 1651] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1651] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1651] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1651] close(3) = 0 [pid 1651] close(4) = 0 [pid 1651] mkdir("./file4", 0777) = 0 [pid 1651] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1657] <... write resumed>) = 20699119 [pid 1657] munmap(0x7fb73baf6000, 138412032 [pid 284] <... umount2 resumed>) = 0 [pid 1657] <... munmap resumed>) = 0 [pid 284] umount2("./43/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1657] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 284] newfstatat(AT_FDCWD, "./43/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./43/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1657] ioctl(4, LOOP_SET_FD, 3 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./43/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./43/file4") = 0 [pid 284] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./43/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./43") = 0 [pid 284] mkdir("./44", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1657] <... ioctl resumed>) = 0 [pid 1657] close(3) = 0 [pid 1657] close(4) = 0 [pid 1657] mkdir("./file4", 0777) = 0 [pid 1657] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 284] <... openat resumed>) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1662 [pid 1656] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 1662 attached [ 99.682094][ T1651] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 99.703691][ T1651] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 99.714822][ T1657] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [pid 1662] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1662] chdir("./44") = 0 [pid 1662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1662] setpgid(0, 0) = 0 [pid 1662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1662] write(3, "1000", 4) = 4 [pid 1662] close(3) = 0 [pid 1662] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1662] write(1, "executing program\n", 18executing program ) = 18 [pid 1662] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1662] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1662] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1662] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1663]}, 88) = 1663 [pid 1662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1662] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1662] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1663 attached [pid 1663] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1663] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1663] memfd_create("syzkaller", 0) = 3 [pid 1663] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 99.732830][ T1651] F2FS-fs (loop3): fault_injection options not supported [ 99.740998][ T1657] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 99.762918][ T1651] F2FS-fs (loop3): fault_type options not supported [ 99.775810][ T1657] F2FS-fs (loop4): fault_injection options not supported [ 99.783706][ T1651] F2FS-fs (loop3): invalid crc value [ 99.803894][ T1657] F2FS-fs (loop4): fault_type options not supported [ 99.826008][ T1657] F2FS-fs (loop4): invalid crc value [pid 1659] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 1659] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1659] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 99.832825][ T1651] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 1659] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1659] close(3) = 0 [pid 1659] close(4) = 0 [pid 1659] mkdir("./file4", 0777) = 0 [ 99.854205][ T1657] F2FS-fs (loop4): Found nat_bits in checkpoint [ 99.874744][ T1659] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 99.895761][ T1659] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [pid 1659] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1651] <... mount resumed>) = 0 [pid 1651] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1651] chdir("./file4") = 0 [pid 1651] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1651] ioctl(4, LOOP_CLR_FD) = 0 [pid 1651] close(4) = 0 [pid 1651] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1651] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1649] <... futex resumed>) = 0 [pid 1649] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1651] <... futex resumed>) = 0 [pid 1649] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1651] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1651] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1651] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1649] <... futex resumed>) = 0 [pid 1649] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1651] <... futex resumed>) = 0 [pid 1649] <... futex resumed>) = 1 [pid 1651] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [ 99.914775][ T1651] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 99.921978][ T1659] F2FS-fs (loop0): fault_injection options not supported [ 99.922380][ T1651] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 99.938058][ T1659] F2FS-fs (loop0): fault_type options not supported [ 99.945580][ T1659] F2FS-fs (loop0): invalid crc value [ 99.951815][ T1651] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 1649] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1656] <... write resumed>) = 20699119 [pid 1656] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1656] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1656] ioctl(4, LOOP_SET_FD, 3 [pid 1651] <... symlink resumed>) = 0 [pid 1651] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1651] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1649] <... futex resumed>) = 0 [pid 1656] <... ioctl resumed>) = 0 [pid 1656] close(3 [pid 1649] exit_group(0) = ? [pid 1656] <... close resumed>) = 0 [pid 1651] <... futex resumed>) = ? [pid 1656] close(4) = 0 [pid 1656] mkdir("./file4", 0777) = 0 [pid 1656] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1651] +++ exited with 0 +++ [pid 1649] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1649, si_uid=0, si_status=0, si_utime=10, si_stime=21} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 99.961021][ T1651] attempt to access beyond end of device [ 99.961021][ T1651] loop3: rw=2049, want=53256, limit=40427 [ 99.980748][ T1659] F2FS-fs (loop0): Found nat_bits in checkpoint [ 99.990097][ T1656] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 100.000017][ T286] attempt to access beyond end of device [ 100.000017][ T286] loop3: rw=2049, want=45104, limit=40427 [pid 286] umount2("./46/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1657] <... mount resumed>) = 0 [pid 1657] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1657] chdir("./file4") = 0 [pid 1657] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1657] ioctl(4, LOOP_CLR_FD) = 0 [ 100.008789][ T1656] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 100.025746][ T1657] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 100.032898][ T1657] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 100.032918][ T1656] F2FS-fs (loop2): fault_injection options not supported [ 100.047594][ T1656] F2FS-fs (loop2): fault_type options not supported [ 100.055135][ T1656] F2FS-fs (loop2): invalid crc value [pid 1657] close(4) = 0 [pid 1657] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1655] <... futex resumed>) = 0 [pid 1655] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1655] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1657] <... futex resumed>) = 1 [pid 1657] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1657] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1655] <... futex resumed>) = 0 [pid 1655] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1655] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1657] <... futex resumed>) = 1 [pid 1657] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1657] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1655] <... futex resumed>) = 0 [pid 1655] exit_group(0) = ? [pid 1657] <... futex resumed>) = ? [pid 1657] +++ exited with 0 +++ [pid 1655] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1655, si_uid=0, si_status=0, si_utime=6, si_stime=21} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 100.086144][ T1657] F2FS-fs (loop4): switch discard_unit option is not allowed [ 100.095094][ T1657] attempt to access beyond end of device [ 100.095094][ T1657] loop4: rw=2049, want=53256, limit=40427 [ 100.109241][ T1656] F2FS-fs (loop2): Found nat_bits in checkpoint [ 100.118999][ T287] attempt to access beyond end of device [ 100.118999][ T287] loop4: rw=2049, want=45104, limit=40427 [pid 287] umount2("./45/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1663] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1659] <... mount resumed>) = 0 [pid 1659] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1659] chdir("./file4") = 0 [pid 1659] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1659] ioctl(4, LOOP_CLR_FD) = 0 [pid 1659] close(4) = 0 [pid 1659] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1659] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1658] <... futex resumed>) = 0 [pid 1658] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1658] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1659] <... futex resumed>) = 0 [ 100.136601][ T1659] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 100.152628][ T1659] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 1659] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1659] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1658] <... futex resumed>) = 0 [pid 1658] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1658] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1659] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1659] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1659] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1658] <... futex resumed>) = 0 [pid 1658] exit_group(0) = ? [pid 1659] <... futex resumed>) = ? [pid 1659] +++ exited with 0 +++ [pid 1658] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1658, si_uid=0, si_status=0, si_utime=7, si_stime=19} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 100.195823][ T1659] F2FS-fs (loop0): switch discard_unit option is not allowed [ 100.206094][ T1659] attempt to access beyond end of device [ 100.206094][ T1659] loop0: rw=2049, want=53256, limit=40427 [ 100.218197][ T1656] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 100.225268][ T1656] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 283] umount2("./44/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1663] <... write resumed>) = 20699119 [pid 1663] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1663] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1663] ioctl(4, LOOP_SET_FD, 3 [pid 1656] <... mount resumed>) = 0 [pid 1656] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1656] chdir("./file4") = 0 [pid 1656] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1663] <... ioctl resumed>) = 0 [pid 1656] <... openat resumed>) = 4 [pid 1663] close(3 [pid 1656] ioctl(4, LOOP_CLR_FD [pid 1663] <... close resumed>) = 0 [pid 1656] <... ioctl resumed>) = 0 [pid 1663] close(4 [pid 1656] close(4 [pid 1663] <... close resumed>) = 0 [pid 1656] <... close resumed>) = 0 [pid 1663] mkdir("./file4", 0777 [pid 1656] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1663] <... mkdir resumed>) = 0 [pid 1656] <... futex resumed>) = 1 [pid 1654] <... futex resumed>) = 0 [ 100.251404][ T283] attempt to access beyond end of device [ 100.251404][ T283] loop0: rw=2049, want=45104, limit=40427 [pid 1663] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1656] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1654] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1656] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1654] <... futex resumed>) = 0 [pid 1654] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 287] <... umount2 resumed>) = 0 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./46/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] umount2("./45/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./46/file4", [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./45/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./45/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./45/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./45/file4") = 0 [pid 287] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./45/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./45") = 0 [pid 287] mkdir("./46", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./46/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./46/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./46/file4") = 0 [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 1679 [pid 286] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./46/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [ 100.306250][ T1656] F2FS-fs (loop2): switch discard_unit option is not allowed [ 100.313943][ T1663] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 100.330081][ T1663] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 100.338894][ T1663] F2FS-fs (loop1): fault_injection options not supported [ 100.345997][ T1663] F2FS-fs (loop1): fault_type options not supported [pid 286] close(3) = 0 [pid 286] rmdir("./46") = 0 [pid 1656] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1654] <... futex resumed>) = 0 [pid 1654] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1654] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1656] <... futex resumed>) = 1 [pid 1656] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0"./strace-static-x86_64: Process 1679 attached [pid 286] mkdir("./47", 0777 [pid 1679] set_robust_list(0x55557d22a6a0, 24 [pid 1656] <... symlink resumed>) = 0 [pid 286] <... mkdir resumed>) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1679] <... set_robust_list resumed>) = 0 [pid 1656] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1654] <... futex resumed>) = 0 [pid 1654] exit_group(0) = ? [pid 1656] <... futex resumed>) = ? [pid 1656] +++ exited with 0 +++ [pid 1654] +++ exited with 0 +++ [pid 1679] chdir("./46") = 0 [pid 1679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1679] setpgid(0, 0) = 0 [pid 1679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1679] write(3, "1000", 4) = 4 [pid 1679] close(3) = 0 [pid 1679] symlink("/dev/binderfs", "./binderfs" [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1654, si_uid=0, si_status=0, si_utime=9, si_stime=25} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 1679] <... symlink resumed>) = 0 [pid 1679] write(1, "executing program\n", 18executing program ) = 18 [pid 1679] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1679] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1679] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 285] <... restart_syscall resumed>) = 0 [pid 1679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 285] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, [pid 1679] <... mmap resumed>) = 0x7fb743ef6000 [pid 285] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./46/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1679] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1679] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1679] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1682]}, 88) = 1682 [pid 1679] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1679] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1679] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1682 attached [pid 1682] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1682] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1682] memfd_create("syzkaller", 0) = 3 [pid 1682] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 286] <... openat resumed>) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1683 ./strace-static-x86_64: Process 1683 attached [pid 1683] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1683] chdir("./47") = 0 [ 100.355163][ T1663] F2FS-fs (loop1): invalid crc value [ 100.359717][ T1656] attempt to access beyond end of device [ 100.359717][ T1656] loop2: rw=2049, want=53256, limit=40427 [ 100.373662][ T1663] F2FS-fs (loop1): Found nat_bits in checkpoint [ 100.385441][ T285] attempt to access beyond end of device [ 100.385441][ T285] loop2: rw=2049, want=45104, limit=40427 [pid 1683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1683] setpgid(0, 0) = 0 [pid 1683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1683] write(3, "1000", 4) = 4 [pid 1683] close(3) = 0 [pid 1683] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1683] write(1, "executing program\n", 18executing program ) = 18 [pid 1683] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1683] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1683] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1683] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1683] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1683] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1684]}, 88) = 1684 [pid 1683] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1683] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1683] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1684 attached [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./44/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1684] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./44/file4", [pid 1684] rt_sigprocmask(SIG_SETMASK, [], [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 283] umount2("./44/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1684] memfd_create("syzkaller", 0 [pid 283] openat(AT_FDCWD, "./44/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1684] <... memfd_create resumed>) = 3 [pid 283] <... openat resumed>) = 4 [pid 1684] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 283] newfstatat(4, "", [pid 1684] <... mmap resumed>) = 0x7fb73baf6000 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./44/file4") = 0 [pid 283] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./44/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./44") = 0 [pid 283] mkdir("./45", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1685 ./strace-static-x86_64: Process 1685 attached [pid 1685] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1685] chdir("./45") = 0 [pid 1685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1685] setpgid(0, 0) = 0 [pid 1685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1685] write(3, "1000", 4) = 4 [pid 1685] close(3) = 0 [pid 1685] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1685] write(1, "executing program\n", 18) = 18 [pid 1685] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1685] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1685] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1685] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1685] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1685] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1686]}, 88) = 1686 [pid 1685] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1685] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1685] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1686 attached [pid 1686] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1686] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1686] memfd_create("syzkaller", 0) = 3 [pid 1686] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1663] <... mount resumed>) = 0 [pid 1663] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1663] chdir("./file4") = 0 [pid 1663] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1663] ioctl(4, LOOP_CLR_FD) = 0 [pid 1663] close(4) = 0 [pid 1663] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1663] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1662] <... futex resumed>) = 0 [pid 1662] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1662] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1663] <... futex resumed>) = 0 [ 100.515961][ T1663] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 100.533685][ T1663] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 1663] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1663] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1662] <... futex resumed>) = 0 [pid 1662] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1662] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1663] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1663] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1662] <... futex resumed>) = 0 [pid 1662] exit_group(0) = ? [pid 1663] +++ exited with 0 +++ [pid 1662] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1662, si_uid=0, si_status=0, si_utime=8, si_stime=19} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 100.560729][ T1663] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 284] umount2("./44/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./46/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./46/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./46/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./46/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./46/file4") = 0 [pid 285] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./46/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./46") = 0 [pid 285] mkdir("./47", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1684] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1682] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 285] <... openat resumed>) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1688 ./strace-static-x86_64: Process 1688 attached [pid 1688] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1688] chdir("./47") = 0 [pid 1688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1688] setpgid(0, 0) = 0 [pid 1688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1688] write(3, "1000", 4) = 4 [pid 1688] close(3) = 0 [pid 1688] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1688] write(1, "executing program\n", 18executing program ) = 18 [pid 1688] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1688] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1688] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1688] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1689]}, 88) = 1689 [pid 1688] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1688] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1688] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1689 attached [pid 1689] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1689] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1689] memfd_create("syzkaller", 0) = 3 [pid 1689] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1686] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./44/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./44/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./44/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./44/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./44/file4") = 0 [pid 284] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./44/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./44") = 0 [pid 284] mkdir("./45", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1690 ./strace-static-x86_64: Process 1690 attached [pid 1690] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1690] chdir("./45") = 0 [pid 1690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1690] setpgid(0, 0) = 0 [pid 1690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1690] write(3, "1000", 4) = 4 [pid 1690] close(3) = 0 [pid 1690] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1690] write(1, "executing program\n", 18) = 18 [pid 1690] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1690] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1690] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1690] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1684] <... write resumed>) = 20699119 [pid 1690] rt_sigprocmask(SIG_BLOCK, ~[], [pid 1684] munmap(0x7fb73baf6000, 138412032 [pid 1690] <... rt_sigprocmask resumed>[], 8) = 0 [pid 1684] <... munmap resumed>) = 0 [pid 1690] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 1684] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1690] <... clone3 resumed> => {parent_tid=[1691]}, 88) = 1691 [pid 1684] ioctl(4, LOOP_SET_FD, 3 [pid 1690] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1690] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1690] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1684] <... ioctl resumed>) = 0 [pid 1684] close(3) = 0 [pid 1684] close(4) = 0 [pid 1684] mkdir("./file4", 0777./strace-static-x86_64: Process 1691 attached [pid 1691] set_robust_list(0x7fb743f169a0, 24 [pid 1684] <... mkdir resumed>) = 0 [pid 1691] <... set_robust_list resumed>) = 0 [pid 1684] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1691] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1691] memfd_create("syzkaller", 0) = 3 [pid 1691] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1682] <... write resumed>) = 20699119 [pid 1682] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1682] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1682] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1682] close(3) = 0 [ 100.880854][ T1684] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 100.899411][ T1684] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 100.908230][ T1684] F2FS-fs (loop3): fault_injection options not supported [ 100.915574][ T1684] F2FS-fs (loop3): fault_type options not supported [ 100.923820][ T1684] F2FS-fs (loop3): invalid crc value [pid 1682] close(4) = 0 [pid 1682] mkdir("./file4", 0777) = 0 [ 100.936523][ T1684] F2FS-fs (loop3): Found nat_bits in checkpoint [ 100.948688][ T1682] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 100.966254][ T1682] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 1682] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1686] <... write resumed>) = 20699119 [pid 1686] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1686] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1686] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1686] close(3) = 0 [pid 1686] close(4) = 0 [pid 1686] mkdir("./file4", 0777) = 0 [ 100.985153][ T1682] F2FS-fs (loop4): fault_injection options not supported [ 100.995812][ T1682] F2FS-fs (loop4): fault_type options not supported [ 101.016026][ T1682] F2FS-fs (loop4): invalid crc value [ 101.029622][ T1686] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [pid 1686] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1689] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1684] <... mount resumed>) = 0 [pid 1684] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1684] chdir("./file4") = 0 [pid 1684] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1684] ioctl(4, LOOP_CLR_FD) = 0 [ 101.042749][ T1686] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 101.051751][ T1684] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 101.059144][ T1682] F2FS-fs (loop4): Found nat_bits in checkpoint [ 101.059366][ T1684] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 101.073488][ T1686] F2FS-fs (loop0): fault_injection options not supported [ 101.080578][ T1686] F2FS-fs (loop0): fault_type options not supported [pid 1684] close(4) = 0 [pid 1684] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1684] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1683] <... futex resumed>) = 0 [pid 1683] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1684] <... futex resumed>) = 0 [pid 1683] <... futex resumed>) = 1 [pid 1684] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1683] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1684] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1684] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1683] <... futex resumed>) = 0 [pid 1683] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1684] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1683] <... futex resumed>) = 0 [pid 1683] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1684] <... symlink resumed>) = 0 [pid 1684] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1683] <... futex resumed>) = 0 [pid 1684] <... futex resumed>) = 1 [pid 1683] exit_group(0) = ? [pid 1684] +++ exited with 0 +++ [pid 1683] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1683, si_uid=0, si_status=0, si_utime=11, si_stime=16} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 101.090276][ T1686] F2FS-fs (loop0): invalid crc value [ 101.096929][ T1684] F2FS-fs (loop3): switch discard_unit option is not allowed [ 101.127164][ T1686] F2FS-fs (loop0): Found nat_bits in checkpoint [ 101.127184][ T1682] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [pid 286] umount2("./47/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1682] <... mount resumed>) = 0 [pid 1682] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1682] chdir("./file4") = 0 [pid 1682] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1682] ioctl(4, LOOP_CLR_FD) = 0 [pid 1682] close(4) = 0 [pid 1682] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1679] <... futex resumed>) = 0 [pid 1682] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1679] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1679] <... futex resumed>) = 0 [pid 1682] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1679] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1682] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1682] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1679] <... futex resumed>) = 0 [pid 1679] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1682] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [ 101.161693][ T1682] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 101.186890][ T1682] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 1679] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1682] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1682] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1686] <... mount resumed>) = 0 [pid 1679] exit_group(0 [pid 1686] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1679] <... exit_group resumed>) = ? [pid 1686] <... openat resumed>) = 3 [pid 1686] chdir("./file4") = 0 [pid 1686] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1682] <... futex resumed>) = ? [pid 1686] ioctl(4, LOOP_CLR_FD) = 0 [pid 1686] close(4) = 0 [pid 1686] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1685] <... futex resumed>) = 0 [pid 1686] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 1685] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1686] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1685] <... futex resumed>) = 0 [pid 1682] +++ exited with 0 +++ [pid 1679] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1679, si_uid=0, si_status=0, si_utime=10, si_stime=18} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./46/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1685] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1691] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1686] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1686] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1685] <... futex resumed>) = 0 [pid 1686] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1685] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1685] <... futex resumed>) = 0 [pid 1686] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1685] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1686] <... symlink resumed>) = 0 [pid 1686] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1685] <... futex resumed>) = 0 [pid 1686] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1685] exit_group(0 [pid 1686] <... futex resumed>) = ? [pid 1685] <... exit_group resumed>) = ? [pid 1686] +++ exited with 0 +++ [pid 1685] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1685, si_uid=0, si_status=0, si_utime=10, si_stime=21} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 101.207641][ T1686] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 101.215192][ T1686] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 101.236191][ T1686] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 283] umount2("./45/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1689] <... write resumed>) = 20699119 [pid 1689] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1689] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1689] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1689] close(3) = 0 [pid 1689] close(4 [pid 1691] <... write resumed>) = 20699119 [pid 1691] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1691] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./47/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./47/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./47/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./47/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./47/file4") = 0 [pid 286] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./47/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./47") = 0 [pid 286] mkdir("./48", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1691] <... openat resumed>) = 4 [pid 1691] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 286] <... openat resumed>) = 3 [pid 286] ioctl(3, LOOP_CLR_FD [pid 1691] close(3) = 0 [pid 1689] <... close resumed>) = 0 [pid 286] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1689] mkdir("./file4", 0777 [pid 1691] close(4 [pid 286] close(3 [pid 1689] <... mkdir resumed>) = 0 [pid 286] <... close resumed>) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1689] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 1706 ./strace-static-x86_64: Process 1706 attached [pid 1706] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1706] chdir("./48") = 0 [pid 1706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1706] setpgid(0, 0) = 0 [pid 1706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1706] write(3, "1000", 4) = 4 [pid 1706] close(3) = 0 [pid 1706] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1706] write(1, "executing program\n", 18) = 18 [pid 1706] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1706] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1706] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1706] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1706] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1706] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1706] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1707]}, 88) = 1707 [pid 1706] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1706] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1706] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1707 attached [pid 1707] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1707] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1707] memfd_create("syzkaller", 0) = 3 [pid 1707] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1691] <... close resumed>) = 0 [pid 1691] mkdir("./file4", 0777) = 0 [ 101.446193][ T1689] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 101.453306][ T1689] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 101.485581][ T1689] F2FS-fs (loop2): fault_injection options not supported [pid 1691] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./46/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./46/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./46/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 101.500968][ T1691] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 101.531519][ T1691] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [pid 287] openat(AT_FDCWD, "./46/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./46/file4") = 0 [pid 287] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./46/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./46") = 0 [pid 287] mkdir("./47", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 283] <... umount2 resumed>) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 283] umount2("./45/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 1708 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./45/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./45/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./45/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 ./strace-static-x86_64: Process 1708 attached [pid 1708] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1708] chdir("./47") = 0 [pid 1708] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1708] setpgid(0, 0) = 0 [pid 1708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1708] write(3, "1000", 4) = 4 [pid 1708] close(3) = 0 [pid 1708] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1708] write(1, "executing program\n", 18) = 18 [pid 1708] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1708] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1708] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1708] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1708] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1709]}, 88) = 1709 [pid 1708] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1708] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1708] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1709 attached [pid 1709] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1709] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1709] memfd_create("syzkaller", 0) = 3 [pid 1709] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./45/file4") = 0 [pid 283] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./45/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./45") = 0 [pid 283] mkdir("./46", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1712 [ 101.545839][ T1689] F2FS-fs (loop2): fault_type options not supported [ 101.566141][ T1691] F2FS-fs (loop1): fault_injection options not supported [ 101.574024][ T1691] F2FS-fs (loop1): fault_type options not supported [ 101.584932][ T1689] F2FS-fs (loop2): invalid crc value [ 101.591650][ T1691] F2FS-fs (loop1): invalid crc value ./strace-static-x86_64: Process 1712 attached [pid 1712] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1712] chdir("./46") = 0 [pid 1712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1712] setpgid(0, 0) = 0 [pid 1712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1712] write(3, "1000", 4) = 4 [pid 1712] close(3) = 0 [pid 1712] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1712] write(1, "executing program\n", 18executing program ) = 18 [pid 1712] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1712] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1712] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1712] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1712] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1714]}, 88) = 1714 [pid 1712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1712] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1712] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1707] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 1714 attached [pid 1714] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1714] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1714] memfd_create("syzkaller", 0) = 3 [pid 1714] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 101.608944][ T1689] F2FS-fs (loop2): Found nat_bits in checkpoint [ 101.631342][ T1691] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 1709] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1689] <... mount resumed>) = 0 [pid 1689] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1689] chdir("./file4") = 0 [pid 1689] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1689] ioctl(4, LOOP_CLR_FD) = 0 [pid 1689] close(4) = 0 [pid 1689] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1689] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1688] <... futex resumed>) = 0 [pid 1688] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1688] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1689] <... futex resumed>) = 0 [ 101.754508][ T1689] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 101.763968][ T1689] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 101.772056][ T1691] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 101.782084][ T1691] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 1689] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1691] <... mount resumed>) = 0 [pid 1691] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1691] chdir("./file4") = 0 [pid 1691] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1691] ioctl(4, LOOP_CLR_FD) = 0 [pid 1691] close(4) = 0 [pid 1691] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1689] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1689] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1688] <... futex resumed>) = 0 [pid 1691] <... futex resumed>) = 1 [pid 1688] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1690] <... futex resumed>) = 0 [pid 1691] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1688] <... futex resumed>) = 0 [pid 1688] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1690] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1691] <... futex resumed>) = 0 [pid 1690] <... futex resumed>) = 1 [pid 1691] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1690] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1689] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1689] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1689] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1688] <... futex resumed>) = 0 [pid 1688] exit_group(0) = ? [pid 1689] <... futex resumed>) = ? [pid 1689] +++ exited with 0 +++ [pid 1688] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1688, si_uid=0, si_status=0, si_utime=10, si_stime=23} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./47/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1691] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1691] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1691] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1690] <... futex resumed>) = 0 [pid 1690] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1691] <... futex resumed>) = 0 [pid 1690] <... futex resumed>) = 1 [pid 1691] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1690] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1691] <... symlink resumed>) = 0 [pid 1691] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1690] <... futex resumed>) = 0 [pid 1690] exit_group(0) = ? [pid 1691] +++ exited with 0 +++ [pid 1690] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1690, si_uid=0, si_status=0, si_utime=9, si_stime=21} --- [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 1707] <... write resumed>) = 20699119 [pid 1707] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1707] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 284] <... restart_syscall resumed>) = 0 [pid 1707] <... openat resumed>) = 4 [pid 1707] ioctl(4, LOOP_SET_FD, 3 [pid 284] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 101.801140][ T1689] F2FS-fs (loop2): switch discard_unit option is not allowed [ 101.822324][ T1691] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 284] umount2("./45/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1707] <... ioctl resumed>) = 0 [pid 1707] close(3) = 0 [pid 1707] close(4) = 0 [pid 1707] mkdir("./file4", 0777) = 0 [ 101.869645][ T1707] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 101.885706][ T1707] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [pid 1707] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1709] <... write resumed>) = 20699119 [pid 1709] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1709] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1709] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1709] close(3) = 0 [pid 1709] close(4) = 0 [pid 1709] mkdir("./file4", 0777) = 0 [pid 1709] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 101.918315][ T1709] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 101.925297][ T1709] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 101.934225][ T1707] F2FS-fs (loop3): fault_injection options not supported [ 101.953403][ T1707] F2FS-fs (loop3): fault_type options not supported [ 101.960439][ T1709] F2FS-fs (loop4): fault_injection options not supported [ 101.966036][ T1707] F2FS-fs (loop3): invalid crc value [ 101.968140][ T1709] F2FS-fs (loop4): fault_type options not supported [ 101.981583][ T1707] F2FS-fs (loop3): Found nat_bits in checkpoint [ 101.991771][ T1709] F2FS-fs (loop4): invalid crc value [pid 1714] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1707] <... mount resumed>) = 0 [pid 1707] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1707] chdir("./file4") = 0 [pid 1707] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1707] ioctl(4, LOOP_CLR_FD) = 0 [pid 1707] close(4) = 0 [pid 1707] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1706] <... futex resumed>) = 0 [pid 1706] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1706] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1707] <... futex resumed>) = 1 [ 102.016574][ T1709] F2FS-fs (loop4): Found nat_bits in checkpoint [ 102.033518][ T1707] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 102.043434][ T1707] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 1707] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./47/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./47/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./47/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./47/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./47/file4") = 0 [pid 285] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./47/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./47") = 0 [pid 285] mkdir("./48", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1725 [pid 1707] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1707] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1706] <... futex resumed>) = 0 [pid 1706] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1706] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1707] <... futex resumed>) = 1 [pid 1707] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1707] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1706] <... futex resumed>) = 0 [pid 1706] exit_group(0) = ? [pid 1707] <... futex resumed>) = ? [pid 1707] +++ exited with 0 +++ [pid 1706] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1706, si_uid=0, si_status=0, si_utime=9, si_stime=16} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./48/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1725 attached [pid 1725] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1725] chdir("./48") = 0 [pid 1725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1725] setpgid(0, 0 [pid 284] <... umount2 resumed>) = 0 [pid 1725] <... setpgid resumed>) = 0 [pid 1725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1725] write(3, "1000", 4) = 4 [pid 1725] close(3) = 0 [pid 1725] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1725] write(1, "executing program\n", 18executing program ) = 18 [pid 1725] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1725] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1725] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1725] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1725] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1725] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 284] umount2("./45/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./45/file4", [pid 1725] <... clone3 resumed> => {parent_tid=[1726]}, 88) = 1726 [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./45/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1725] rt_sigprocmask(SIG_SETMASK, [], [pid 284] openat(AT_FDCWD, "./45/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", [pid 1725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, [pid 1725] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./45/file4" [pid 1725] <... futex resumed>) = 0 [pid 1725] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 284] <... rmdir resumed>) = 0 [pid 284] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./45/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./45") = 0 [pid 284] mkdir("./46", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1727 [ 102.076409][ T1707] F2FS-fs (loop3): switch discard_unit option is not allowed ./strace-static-x86_64: Process 1727 attached ./strace-static-x86_64: Process 1726 attached [pid 1726] set_robust_list(0x7fb743f169a0, 24 [pid 1727] set_robust_list(0x55557d22a6a0, 24 [pid 1726] <... set_robust_list resumed>) = 0 [pid 1726] rt_sigprocmask(SIG_SETMASK, [], [pid 1727] <... set_robust_list resumed>) = 0 [pid 1726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1727] chdir("./46" [pid 1726] memfd_create("syzkaller", 0 [pid 1727] <... chdir resumed>) = 0 [pid 1726] <... memfd_create resumed>) = 3 [pid 1727] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1726] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 1727] <... prctl resumed>) = 0 [pid 1726] <... mmap resumed>) = 0x7fb73baf6000 [pid 1727] setpgid(0, 0) = 0 [pid 1727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1709] <... mount resumed>) = 0 [pid 1727] write(3, "1000", 4 [pid 1709] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1727] <... write resumed>) = 4 [pid 1709] <... openat resumed>) = 3 [pid 1727] close(3) = 0 [pid 1709] chdir("./file4" [pid 1727] symlink("/dev/binderfs", "./binderfs" [pid 1709] <... chdir resumed>) = 0 executing program [pid 1727] <... symlink resumed>) = 0 [pid 1727] write(1, "executing program\n", 18 [pid 1709] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1727] <... write resumed>) = 18 [pid 1709] <... openat resumed>) = 4 [pid 1727] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1709] ioctl(4, LOOP_CLR_FD [pid 1727] <... futex resumed>) = 0 [pid 1709] <... ioctl resumed>) = 0 [pid 1727] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 1709] close(4 [pid 1727] <... rt_sigaction resumed>NULL, 8) = 0 [pid 1727] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 1709] <... close resumed>) = 0 [pid 1727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1709] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 1709] <... futex resumed>) = 1 [pid 1727] <... mmap resumed>) = 0x7fb743ef6000 [pid 1709] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1727] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1708] <... futex resumed>) = 0 [pid 1727] rt_sigprocmask(SIG_BLOCK, ~[], [pid 1708] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1727] <... rt_sigprocmask resumed>[], 8) = 0 [pid 1727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 1709] <... futex resumed>) = 0 [pid 1708] <... futex resumed>) = 1 [pid 1709] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1708] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1727] <... clone3 resumed> => {parent_tid=[1729]}, 88) = 1729 [ 102.143727][ T1709] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 102.151205][ T1709] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 1714] <... write resumed>) = 20699119 ./strace-static-x86_64: Process 1729 attached [pid 1729] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1729] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1729] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1714] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1727] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1727] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1727] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1729] <... futex resumed>) = 0 [pid 1729] memfd_create("syzkaller", 0) = 3 [pid 1729] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1709] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1709] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1708] <... futex resumed>) = 0 [pid 1709] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1708] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1709] <... futex resumed>) = 0 [pid 1708] <... futex resumed>) = 1 [pid 1709] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1708] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1714] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1709] <... symlink resumed>) = 0 [pid 1709] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1708] <... futex resumed>) = 0 [pid 1708] exit_group(0) = ? [pid 1709] +++ exited with 0 +++ [pid 1708] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1708, si_uid=0, si_status=0, si_utime=12, si_stime=17} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1714] <... openat resumed>) = 4 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1714] ioctl(4, LOOP_SET_FD, 3 [pid 287] <... openat resumed>) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./47/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1714] <... ioctl resumed>) = 0 [pid 1714] close(3) = 0 [pid 1714] close(4) = 0 [pid 1714] mkdir("./file4", 0777) = 0 [ 102.187027][ T1709] F2FS-fs (loop4): switch discard_unit option is not allowed [ 102.241441][ T1714] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 102.259228][ T1714] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [pid 1714] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 102.305816][ T1714] F2FS-fs (loop0): fault_injection options not supported [ 102.325777][ T1714] F2FS-fs (loop0): fault_type options not supported [ 102.336179][ T1714] F2FS-fs (loop0): invalid crc value [pid 1726] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./48/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./48/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./48/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./48/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./48/file4") = 0 [pid 286] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./48/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./48") = 0 [pid 286] mkdir("./49", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1733 ./strace-static-x86_64: Process 1733 attached [pid 1733] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1733] chdir("./49") = 0 [ 102.365661][ T1714] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1733] setpgid(0, 0) = 0 [pid 1733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1733] write(3, "1000", 4) = 4 [pid 1733] close(3) = 0 [pid 1733] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1733] write(1, "executing program\n", 18) = 18 [pid 287] <... umount2 resumed>) = 0 [pid 1733] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] umount2("./47/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1733] <... futex resumed>) = 0 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1733] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 287] newfstatat(AT_FDCWD, "./47/file4", [pid 1733] <... rt_sigaction resumed>NULL, 8) = 0 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1733] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 287] umount2("./47/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1733] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 287] openat(AT_FDCWD, "./47/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1733] <... mprotect resumed>) = 0 [pid 1733] rt_sigprocmask(SIG_BLOCK, ~[], [pid 287] <... openat resumed>) = 4 [pid 1733] <... rt_sigprocmask resumed>[], 8) = 0 [pid 287] newfstatat(4, "", [pid 1733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, [pid 1733] <... clone3 resumed> => {parent_tid=[1734]}, 88) = 1734 [pid 1733] rt_sigprocmask(SIG_SETMASK, [], [pid 287] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 1733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1733] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] getdents64(4, [pid 1733] <... futex resumed>) = 0 [pid 287] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 1733] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 287] close(4) = 0 [pid 287] rmdir("./47/file4") = 0 [pid 287] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./47/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./47") = 0 [pid 287] mkdir("./48", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1735 [pid 1726] <... write resumed>) = 20699119 [pid 1726] munmap(0x7fb73baf6000, 138412032) = 0 ./strace-static-x86_64: Process 1734 attached [pid 1734] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1734] memfd_create("syzkaller", 0) = 3 [pid 1734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1726] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 1735 attached [pid 1735] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1735] chdir("./48") = 0 [pid 1735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1735] setpgid(0, 0) = 0 [pid 1735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1735] write(3, "1000", 4) = 4 [pid 1735] close(3 [pid 1726] <... openat resumed>) = 4 [pid 1735] <... close resumed>) = 0 [pid 1735] symlink("/dev/binderfs", "./binderfs" [pid 1726] ioctl(4, LOOP_SET_FD, 3 [pid 1735] <... symlink resumed>) = 0 executing program [pid 1735] write(1, "executing program\n", 18) = 18 [pid 1735] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1735] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1735] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1735] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1735] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1737]}, 88) = 1737 [pid 1735] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1735] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1735] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1737 attached [pid 1737] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1737] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1737] memfd_create("syzkaller", 0) = 3 [pid 1737] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1726] <... ioctl resumed>) = 0 [pid 1726] close(3) = 0 [pid 1726] close(4) = 0 [pid 1726] mkdir("./file4", 0777) = 0 [pid 1726] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1714] <... mount resumed>) = 0 [pid 1714] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1714] chdir("./file4") = 0 [pid 1714] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1714] ioctl(4, LOOP_CLR_FD) = 0 [ 102.466412][ T1714] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 102.466836][ T1726] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 102.473664][ T1714] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 102.488846][ T1726] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 102.497348][ T1726] F2FS-fs (loop2): fault_injection options not supported [ 102.504596][ T1726] F2FS-fs (loop2): fault_type options not supported [pid 1714] close(4) = 0 [pid 1714] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1712] <... futex resumed>) = 0 [pid 1714] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1712] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1714] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1712] <... futex resumed>) = 0 [pid 1712] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1714] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1712] <... futex resumed>) = 0 [pid 1712] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1712] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1714] <... futex resumed>) = 1 [pid 1714] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1714] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1712] <... futex resumed>) = 0 [pid 1712] exit_group(0) = ? [pid 1714] <... futex resumed>) = ? [pid 1714] +++ exited with 0 +++ [pid 1712] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1712, si_uid=0, si_status=0, si_utime=10, si_stime=21} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 102.512830][ T1726] F2FS-fs (loop2): invalid crc value [ 102.516199][ T1714] F2FS-fs (loop0): switch discard_unit option is not allowed [ 102.546591][ T1726] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 283] umount2("./46/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1726] <... mount resumed>) = 0 [pid 1726] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1726] chdir("./file4") = 0 [pid 1726] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1726] ioctl(4, LOOP_CLR_FD) = 0 [pid 1726] close(4) = 0 [pid 1726] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1725] <... futex resumed>) = 0 [pid 1726] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1725] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1725] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1726] <... futex resumed>) = 0 [pid 1726] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1726] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1725] <... futex resumed>) = 0 [pid 1726] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1725] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1726] <... futex resumed>) = 0 [pid 1725] <... futex resumed>) = 1 [pid 1726] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1725] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1726] <... symlink resumed>) = 0 [pid 1726] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1725] <... futex resumed>) = 0 [pid 1726] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1725] exit_group(0 [pid 1726] <... futex resumed>) = ? [pid 1725] <... exit_group resumed>) = ? [pid 1726] +++ exited with 0 +++ [pid 1725] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1725, si_uid=0, si_status=0, si_utime=10, si_stime=16} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 102.584591][ T1726] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 102.591840][ T1726] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 102.617021][ T1726] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 285] umount2("./48/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1729] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1734] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./46/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./46/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./46/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./46/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./46/file4") = 0 [pid 283] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./46/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./46") = 0 [pid 1729] <... write resumed>) = 20699119 [pid 1729] munmap(0x7fb73baf6000, 138412032 [pid 283] mkdir("./47", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3 [pid 1729] <... munmap resumed>) = 0 [pid 1734] <... write resumed>) = 20699119 [pid 1729] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 283] <... close resumed>) = 0 [pid 1734] munmap(0x7fb73baf6000, 138412032 [pid 1729] <... openat resumed>) = 4 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1742 [pid 1734] <... munmap resumed>) = 0 [pid 1729] ioctl(4, LOOP_SET_FD, 3 [pid 1734] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 1742 attached [pid 1742] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1742] chdir("./47") = 0 [pid 1742] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1742] setpgid(0, 0) = 0 [pid 1742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1742] write(3, "1000", 4) = 4 [pid 1742] close(3) = 0 [pid 1742] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1742] write(1, "executing program\n", 18executing program ) = 18 [pid 1742] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1742] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1734] <... openat resumed>) = 4 [pid 1729] <... ioctl resumed>) = 0 [pid 1734] ioctl(4, LOOP_SET_FD, 3 [pid 1729] close(3) = 0 [pid 1729] close(4 [pid 1742] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1742] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1742] rt_sigprocmask(SIG_BLOCK, ~[], [pid 1734] <... ioctl resumed>) = 0 [pid 1729] <... close resumed>) = 0 [pid 1734] close(3 [pid 1729] mkdir("./file4", 0777 [pid 1734] <... close resumed>) = 0 [pid 1734] close(4 [pid 1729] <... mkdir resumed>) = 0 [pid 1734] <... close resumed>) = 0 [pid 1729] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1734] mkdir("./file4", 0777 [pid 1742] <... rt_sigprocmask resumed>[], 8) = 0 [pid 1742] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1745]}, 88) = 1745 [pid 1742] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1742] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1742] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1745 attached [pid 1745] set_robust_list(0x7fb743f169a0, 24 [pid 1734] <... mkdir resumed>) = 0 [pid 1734] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1745] <... set_robust_list resumed>) = 0 [pid 1745] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1745] memfd_create("syzkaller", 0) = 3 [pid 1745] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1737] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 285] <... umount2 resumed>) = 0 [ 102.853441][ T1729] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 102.861764][ T1734] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 102.871153][ T1729] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 102.880054][ T1734] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 102.893585][ T1729] F2FS-fs (loop1): fault_injection options not supported [pid 285] umount2("./48/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./48/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./48/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./48/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./48/file4") = 0 [pid 285] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./48/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./48") = 0 [pid 285] mkdir("./49", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1748 ./strace-static-x86_64: Process 1748 attached [pid 1748] set_robust_list(0x55557d22a6a0, 24) = 0 [ 102.900977][ T1734] F2FS-fs (loop3): fault_injection options not supported [ 102.908272][ T1729] F2FS-fs (loop1): fault_type options not supported [ 102.915119][ T1734] F2FS-fs (loop3): fault_type options not supported [ 102.923252][ T1734] F2FS-fs (loop3): invalid crc value [pid 1748] chdir("./49") = 0 [pid 1748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1748] setpgid(0, 0) = 0 [pid 1748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1748] write(3, "1000", 4) = 4 [pid 1748] close(3) = 0 [pid 1748] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1748] write(1, "executing program\n", 18executing program ) = 18 [pid 1748] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1748] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1748] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1748] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1748] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1748] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1749]}, 88) = 1749 [pid 1748] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1748] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1748] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1749 attached [pid 1749] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1749] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1749] memfd_create("syzkaller", 0) = 3 [pid 1749] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 102.945631][ T1729] F2FS-fs (loop1): invalid crc value [ 102.946528][ T1734] F2FS-fs (loop3): Found nat_bits in checkpoint [ 102.984047][ T1729] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 1745] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1729] <... mount resumed>) = 0 [pid 1729] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1729] chdir("./file4") = 0 [pid 1729] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1729] ioctl(4, LOOP_CLR_FD) = 0 [pid 1729] close(4) = 0 [pid 1729] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1727] <... futex resumed>) = 0 [pid 1727] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1727] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1729] <... futex resumed>) = 1 [ 103.075975][ T1729] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 103.083266][ T1729] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 1729] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1749] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1729] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1727] <... futex resumed>) = 0 [pid 1737] <... write resumed>) = 20699119 [pid 1729] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1737] munmap(0x7fb73baf6000, 138412032 [pid 1727] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1727] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1737] <... munmap resumed>) = 0 [pid 1729] <... futex resumed>) = 0 [pid 1737] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1729] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1737] <... openat resumed>) = 4 [pid 1734] <... mount resumed>) = 0 [pid 1734] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1734] chdir("./file4" [pid 1737] ioctl(4, LOOP_SET_FD, 3 [pid 1729] <... symlink resumed>) = 0 [pid 1729] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1727] <... futex resumed>) = 0 [pid 1729] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1727] exit_group(0 [pid 1729] <... futex resumed>) = ? [pid 1727] <... exit_group resumed>) = ? [pid 1729] +++ exited with 0 +++ [pid 1727] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1727, si_uid=0, si_status=0, si_utime=14, si_stime=18} --- [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 1734] <... chdir resumed>) = 0 [pid 1734] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 284] <... restart_syscall resumed>) = 0 [pid 284] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, [pid 1737] <... ioctl resumed>) = 0 [pid 284] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 1737] close(3) = 0 [pid 284] umount2("./46/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1737] close(4) = 0 [pid 1737] mkdir("./file4", 0777 [pid 1734] <... openat resumed>) = 4 [pid 1734] ioctl(4, LOOP_CLR_FD) = 0 [pid 1734] close(4 [pid 1737] <... mkdir resumed>) = 0 [ 103.117704][ T1729] F2FS-fs (loop1): switch discard_unit option is not allowed [ 103.137942][ T1734] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 103.145015][ T1734] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 1737] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1734] <... close resumed>) = 0 [pid 1734] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1733] <... futex resumed>) = 0 [pid 1733] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1733] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1734] <... futex resumed>) = 1 [ 103.196698][ T1737] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 103.203830][ T1737] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 103.207899][ T1734] F2FS-fs (loop3): switch discard_unit option is not allowed [ 103.226170][ T1737] F2FS-fs (loop4): fault_injection options not supported [ 103.233322][ T1737] F2FS-fs (loop4): fault_type options not supported [pid 1734] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1733] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 1733] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ed5000 [pid 1733] mprotect(0x7fb743ed6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1733] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743ef5990, parent_tid=0x7fb743ef5990, exit_signal=0, stack=0x7fb743ed5000, stack_size=0x20300, tls=0x7fb743ef56c0} => {parent_tid=[1755]}, 88) = 1755 [pid 1733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1733] futex(0x7fb743fe76b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1733] futex(0x7fb743fe76bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1734] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 1755 attached [pid 1749] <... write resumed>) = 20699119 [pid 1734] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1734] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1755] set_robust_list(0x7fb743ef59a0, 24) = 0 [pid 1749] munmap(0x7fb73baf6000, 138412032 [pid 1755] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1749] <... munmap resumed>) = 0 [pid 1755] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1749] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1755] <... symlink resumed>) = 0 [pid 1749] <... openat resumed>) = 4 [pid 1755] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 1749] ioctl(4, LOOP_SET_FD, 3 [pid 1755] <... futex resumed>) = 1 [pid 1755] futex(0x7fb743fe76b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1733] <... futex resumed>) = 0 [pid 1733] exit_group(0 [pid 1755] <... futex resumed>) = ? [pid 1733] <... exit_group resumed>) = ? [pid 1755] +++ exited with 0 +++ [pid 1734] <... futex resumed>) = ? [pid 1734] +++ exited with 0 +++ [pid 1733] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1733, si_uid=0, si_status=0, si_utime=14, si_stime=18} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./49/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1749] <... ioctl resumed>) = 0 [pid 1749] close(3) = 0 [ 103.252912][ T1737] F2FS-fs (loop4): invalid crc value [pid 1749] close(4) = 0 [pid 1749] mkdir("./file4", 0777) = 0 [pid 1749] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1745] <... write resumed>) = 20699119 [pid 1745] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1745] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1745] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1745] close(3) = 0 [ 103.295620][ T1749] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 103.302993][ T1737] F2FS-fs (loop4): Found nat_bits in checkpoint [ 103.309379][ T1749] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 103.309447][ T1749] F2FS-fs (loop2): fault_injection options not supported [ 103.325535][ T1749] F2FS-fs (loop2): fault_type options not supported [ 103.335420][ T1749] F2FS-fs (loop2): invalid crc value [pid 1745] close(4) = 0 [pid 1745] mkdir("./file4", 0777) = 0 [ 103.350944][ T1749] F2FS-fs (loop2): Found nat_bits in checkpoint [ 103.374841][ T1745] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [pid 1745] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./46/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./46/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./46/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./46/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./46/file4") = 0 [ 103.395831][ T1745] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 103.414961][ T1745] F2FS-fs (loop0): fault_injection options not supported [ 103.422883][ T1749] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 103.427966][ T1745] F2FS-fs (loop0): fault_type options not supported [ 103.439395][ T1749] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 1749] <... mount resumed>) = 0 [pid 284] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1749] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1749] <... openat resumed>) = 3 [pid 284] newfstatat(AT_FDCWD, "./46/binderfs", [pid 1749] chdir("./file4" [pid 284] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1749] <... chdir resumed>) = 0 [pid 284] unlink("./46/binderfs" [pid 1749] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 284] <... unlink resumed>) = 0 [pid 1749] ioctl(4, LOOP_CLR_FD [pid 284] getdents64(3, [pid 1749] <... ioctl resumed>) = 0 [pid 1749] close(4 [pid 284] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 1749] <... close resumed>) = 0 [pid 284] close(3 [pid 1749] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1748] <... futex resumed>) = 0 [pid 284] <... close resumed>) = 0 [pid 1749] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 284] rmdir("./46" [pid 1748] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... rmdir resumed>) = 0 [pid 1749] <... futex resumed>) = 0 [pid 1748] <... futex resumed>) = 1 [pid 284] mkdir("./47", 0777 [pid 1749] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1748] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1749] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 284] <... mkdir resumed>) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1764 [pid 1749] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1748] <... futex resumed>) = 0 [pid 1748] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1748] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1749] <... futex resumed>) = 1 [pid 1749] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./49/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1737] <... mount resumed>) = 0 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1737] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 1764 attached [pid 1749] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] newfstatat(AT_FDCWD, "./49/file4", [pid 1764] set_robust_list(0x55557d22a6a0, 24 [pid 1749] <... futex resumed>) = 1 [pid 1737] <... openat resumed>) = 3 [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1748] <... futex resumed>) = 0 [pid 286] umount2("./49/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1737] chdir("./file4" [pid 1749] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1748] exit_group(0 [pid 1764] <... set_robust_list resumed>) = 0 [pid 1737] <... chdir resumed>) = 0 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1737] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 286] openat(AT_FDCWD, "./49/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1764] chdir("./47" [pid 1748] <... exit_group resumed>) = ? [pid 1737] <... openat resumed>) = 4 [pid 286] <... openat resumed>) = 4 [pid 1737] ioctl(4, LOOP_CLR_FD [pid 286] newfstatat(4, "", [pid 1764] <... chdir resumed>) = 0 [pid 1764] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1737] <... ioctl resumed>) = 0 [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1764] <... prctl resumed>) = 0 [pid 1737] close(4 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 1737] <... close resumed>) = 0 [pid 1764] setpgid(0, 0 [pid 1737] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] getdents64(4, [pid 1764] <... setpgid resumed>) = 0 [pid 1737] <... futex resumed>) = 1 [pid 1735] <... futex resumed>) = 0 [pid 286] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 1737] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1735] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1735] <... futex resumed>) = 0 [pid 286] close(4 [pid 1764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1737] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1735] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 286] <... close resumed>) = 0 [ 103.451151][ T1745] F2FS-fs (loop0): invalid crc value [ 103.457351][ T1737] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 103.464404][ T1737] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 103.476382][ T1749] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 286] rmdir("./49/file4" [pid 1764] <... openat resumed>) = 3 [pid 1749] <... futex resumed>) = ? [pid 1737] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 286] <... rmdir resumed>) = 0 [pid 1764] write(3, "1000", 4 [pid 1737] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1764] <... write resumed>) = 4 [pid 1737] <... futex resumed>) = 1 [pid 1735] <... futex resumed>) = 0 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1764] close(3 [pid 1749] +++ exited with 0 +++ [pid 1748] +++ exited with 0 +++ [pid 1737] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1735] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] newfstatat(AT_FDCWD, "./49/binderfs", [pid 1764] <... close resumed>) = 0 [pid 1737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1735] <... futex resumed>) = 0 [pid 286] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1764] symlink("/dev/binderfs", "./binderfs" [pid 1737] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1735] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 286] unlink("./49/binderfs" [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1748, si_uid=0, si_status=0, si_utime=8, si_stime=22} --- [pid 1764] <... symlink resumed>) = 0 [pid 286] <... unlink resumed>) = 0 [pid 285] restart_syscall(<... resuming interrupted clone ...>executing program [pid 1764] write(1, "executing program\n", 18 [pid 1737] <... symlink resumed>) = 0 [pid 286] getdents64(3, [pid 1764] <... write resumed>) = 18 [pid 1737] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 1764] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1737] <... futex resumed>) = 1 [pid 1735] <... futex resumed>) = 0 [pid 286] close(3 [pid 1764] <... futex resumed>) = 0 [pid 1737] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1735] exit_group(0 [pid 286] <... close resumed>) = 0 [pid 1764] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 1737] <... futex resumed>) = ? [pid 1735] <... exit_group resumed>) = ? [pid 286] rmdir("./49" [pid 1764] <... rt_sigaction resumed>NULL, 8) = 0 [pid 1737] +++ exited with 0 +++ [pid 1735] +++ exited with 0 +++ [pid 286] <... rmdir resumed>) = 0 [pid 1764] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 286] mkdir("./50", 0777 [pid 1764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 286] <... mkdir resumed>) = 0 [pid 1764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1764] <... mmap resumed>) = 0x7fb743ef6000 [pid 286] <... openat resumed>) = 3 [pid 1764] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 286] ioctl(3, LOOP_CLR_FD [pid 1764] <... mprotect resumed>) = 0 [pid 286] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1764] rt_sigprocmask(SIG_BLOCK, ~[], [pid 286] close(3 [pid 1764] <... rt_sigprocmask resumed>[], 8) = 0 [pid 286] <... close resumed>) = 0 [pid 285] <... restart_syscall resumed>) = 0 [pid 1764] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1735, si_uid=0, si_status=0, si_utime=8, si_stime=16} --- [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1764] <... clone3 resumed> => {parent_tid=[1767]}, 88) = 1767 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1764] rt_sigprocmask(SIG_SETMASK, [], [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 1768 [pid 285] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 287] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... openat resumed>) = 3 [pid 1764] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(3, "", [pid 1764] <... futex resumed>) = 0 [pid 287] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1764] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 287] <... openat resumed>) = 3 [pid 285] getdents64(3, [pid 287] newfstatat(3, "", [pid 285] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] umount2("./49/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./48/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1768 attached [pid 1768] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1768] chdir("./50") = 0 [pid 1768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1768] setpgid(0, 0) = 0 [pid 1768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1768] write(3, "1000", 4) = 4 [pid 1768] close(3) = 0 ./strace-static-x86_64: Process 1767 attached [pid 1768] symlink("/dev/binderfs", "./binderfs" [ 103.501692][ T1737] F2FS-fs (loop4): switch discard_unit option is not allowed [ 103.515343][ T1745] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1767] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1768] <... symlink resumed>) = 0 executing program [pid 1768] write(1, "executing program\n", 18) = 18 [pid 1768] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1768] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1768] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1768] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1768] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1770]}, 88) = 1770 [pid 1768] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1768] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1768] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1770 attached [pid 1767] rt_sigprocmask(SIG_SETMASK, [], [pid 1745] <... mount resumed>) = 0 [pid 1770] set_robust_list(0x7fb743f169a0, 24 [pid 1767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1745] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1770] <... set_robust_list resumed>) = 0 [pid 1767] memfd_create("syzkaller", 0 [pid 1745] <... openat resumed>) = 3 [pid 1770] rt_sigprocmask(SIG_SETMASK, [], [pid 1767] <... memfd_create resumed>) = 3 [pid 1745] chdir("./file4" [pid 1770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1767] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1745] <... chdir resumed>) = 0 [pid 1745] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1770] memfd_create("syzkaller", 0 [pid 1745] <... openat resumed>) = 4 [pid 1770] <... memfd_create resumed>) = 3 [pid 1745] ioctl(4, LOOP_CLR_FD [pid 1770] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 1745] <... ioctl resumed>) = 0 [pid 1770] <... mmap resumed>) = 0x7fb73baf6000 [ 103.560012][ T1745] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 103.567962][ T1745] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 1745] close(4) = 0 [pid 1745] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1745] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1742] <... futex resumed>) = 0 [pid 1742] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1745] <... futex resumed>) = 0 [pid 1742] <... futex resumed>) = 1 [pid 1745] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1742] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1745] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1745] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1742] <... futex resumed>) = 0 [pid 1745] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1742] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1745] <... futex resumed>) = 0 [pid 1742] <... futex resumed>) = 1 [pid 1745] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1742] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1745] <... symlink resumed>) = 0 [pid 1745] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1745] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1742] <... futex resumed>) = 0 [pid 1742] exit_group(0) = ? [pid 1745] <... futex resumed>) = ? [pid 1745] +++ exited with 0 +++ [pid 1742] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1742, si_uid=0, si_status=0, si_utime=12, si_stime=15} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 103.647038][ T1745] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 283] umount2("./47/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./49/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./49/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./49/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./49/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./49/file4") = 0 [pid 285] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./49/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./49") = 0 [pid 285] mkdir("./50", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1771 ./strace-static-x86_64: Process 1771 attached [pid 1771] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1771] chdir("./50") = 0 [pid 1771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1771] setpgid(0, 0) = 0 [pid 1771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1770] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1771] <... openat resumed>) = 3 [pid 1771] write(3, "1000", 4) = 4 [pid 1771] close(3) = 0 [pid 1771] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1771] write(1, "executing program\n", 18executing program ) = 18 [pid 1771] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1771] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1771] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1771] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1771] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1772]}, 88) = 1772 [pid 1771] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1771] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1771] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1772 attached [pid 1772] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1772] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1772] memfd_create("syzkaller", 0) = 3 [pid 1772] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./48/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./48/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./48/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./48/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./48/file4") = 0 [pid 287] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./48/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./48") = 0 [pid 287] mkdir("./49", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1773 ./strace-static-x86_64: Process 1773 attached [pid 1773] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1773] chdir("./49") = 0 [pid 1773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1773] setpgid(0, 0) = 0 [pid 1773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1773] write(3, "1000", 4) = 4 [pid 1773] close(3) = 0 [pid 1773] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1773] write(1, "executing program\n", 18) = 18 [pid 1773] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1773] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1773] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1773] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1773] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1773] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1774]}, 88) = 1774 [pid 1773] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1773] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1773] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1767] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 1774 attached [pid 1774] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1774] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1774] memfd_create("syzkaller", 0) = 3 [pid 1774] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./47/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./47/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./47/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./47/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./47/file4") = 0 [pid 283] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./47/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./47") = 0 [pid 283] mkdir("./48", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1775 ./strace-static-x86_64: Process 1775 attached [pid 1775] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1775] chdir("./48") = 0 [pid 1775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1775] setpgid(0, 0) = 0 [pid 1775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1775] write(3, "1000", 4) = 4 [pid 1775] close(3) = 0 [pid 1775] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1775] write(1, "executing program\n", 18) = 18 [pid 1775] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1775] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1775] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1775] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1775] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1776]}, 88) = 1776 [pid 1775] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1775] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1775] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1776 attached [pid 1776] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1776] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1776] memfd_create("syzkaller", 0) = 3 [pid 1770] <... write resumed>) = 20699119 [pid 1776] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1770] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1770] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1770] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1770] close(3) = 0 [pid 1770] close(4) = 0 [pid 1770] mkdir("./file4", 0777) = 0 [ 103.970496][ T1770] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 103.997053][ T1770] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [pid 1770] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1767] <... write resumed>) = 20699119 [pid 1767] munmap(0x7fb73baf6000, 138412032) = 0 [ 104.015952][ T1770] F2FS-fs (loop3): fault_injection options not supported [ 104.023237][ T1770] F2FS-fs (loop3): fault_type options not supported [ 104.031217][ T1770] F2FS-fs (loop3): invalid crc value [ 104.056596][ T1770] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 1767] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1767] ioctl(4, LOOP_SET_FD, 3 [pid 1772] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1767] <... ioctl resumed>) = 0 [pid 1767] close(3) = 0 [pid 1767] close(4) = 0 [pid 1767] mkdir("./file4", 0777) = 0 [pid 1767] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 104.116364][ T1767] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 104.123512][ T1767] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 104.142848][ T1770] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 104.150236][ T1767] F2FS-fs (loop1): fault_injection options not supported [pid 1774] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1770] <... mount resumed>) = 0 [pid 1770] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1770] chdir("./file4") = 0 [pid 1770] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1770] ioctl(4, LOOP_CLR_FD) = 0 [pid 1770] close(4) = 0 [pid 1770] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1768] <... futex resumed>) = 0 [pid 1768] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1768] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1770] <... futex resumed>) = 1 [pid 1770] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1770] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1768] <... futex resumed>) = 0 [pid 1768] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1768] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1770] <... futex resumed>) = 1 [ 104.165760][ T1770] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 104.175788][ T1767] F2FS-fs (loop1): fault_type options not supported [ 104.183303][ T1767] F2FS-fs (loop1): invalid crc value [ 104.197346][ T1770] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 1770] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1770] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1768] <... futex resumed>) = 0 [pid 1768] exit_group(0) = ? [pid 1770] <... futex resumed>) = ? [pid 1770] +++ exited with 0 +++ [pid 1768] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1768, si_uid=0, si_status=0, si_utime=9, si_stime=16} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 104.227082][ T1767] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 286] umount2("./50/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1767] <... mount resumed>) = 0 [pid 1767] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1767] chdir("./file4") = 0 [pid 1767] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1767] ioctl(4, LOOP_CLR_FD) = 0 [pid 1767] close(4) = 0 [pid 1776] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1767] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1764] <... futex resumed>) = 0 [pid 1767] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1764] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1767] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1764] <... futex resumed>) = 0 [pid 1764] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1767] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1767] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1772] <... write resumed>) = 20699119 [pid 1767] <... futex resumed>) = 1 [pid 1764] <... futex resumed>) = 0 [pid 1772] munmap(0x7fb73baf6000, 138412032 [pid 1767] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1764] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1764] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1767] <... symlink resumed>) = 0 [pid 1772] <... munmap resumed>) = 0 [pid 1767] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1764] <... futex resumed>) = 0 [pid 1772] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1767] <... futex resumed>) = 1 [pid 1764] exit_group(0) = ? [pid 1767] +++ exited with 0 +++ [pid 1764] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1764, si_uid=0, si_status=0, si_utime=12, si_stime=19} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./47/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1772] <... openat resumed>) = 4 [ 104.271501][ T1767] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 104.285754][ T1767] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 104.304341][ T1767] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 1772] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1772] close(3) = 0 [pid 1772] close(4) = 0 [pid 1772] mkdir("./file4", 0777) = 0 [pid 1772] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1774] <... write resumed>) = 20699119 [pid 1774] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1774] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1774] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1774] close(3) = 0 [pid 1774] close(4 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./50/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 104.368037][ T1772] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 104.375235][ T1772] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 104.396749][ T1772] F2FS-fs (loop2): fault_injection options not supported [ 104.403832][ T1772] F2FS-fs (loop2): fault_type options not supported [ 104.411554][ T1772] F2FS-fs (loop2): invalid crc value [pid 286] newfstatat(AT_FDCWD, "./50/file4", [pid 1776] <... write resumed>) = 20699119 [pid 1776] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1776] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./50/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./50/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./50/file4") = 0 [pid 286] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./50/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./50") = 0 [pid 286] mkdir("./51", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1774] <... close resumed>) = 0 [pid 1774] mkdir("./file4", 0777) = 0 [pid 1774] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1776] <... openat resumed>) = 4 [pid 1776] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1776] close(3) = 0 [pid 1776] close(4 [pid 286] <... openat resumed>) = 3 [ 104.438140][ T1772] F2FS-fs (loop2): Found nat_bits in checkpoint [ 104.467347][ T1774] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 104.477675][ T1774] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 286] ioctl(3, LOOP_CLR_FD [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./47/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./47/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./47/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./47/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./47/file4") = 0 [pid 284] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./47/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./47") = 0 [pid 284] mkdir("./48", 0777 [pid 1776] <... close resumed>) = 0 [pid 286] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1776] mkdir("./file4", 0777 [pid 286] close(3 [pid 1776] <... mkdir resumed>) = 0 [pid 1776] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 284] <... mkdir resumed>) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1772] <... mount resumed>) = 0 [pid 1772] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1772] chdir("./file4") = 0 [ 104.498306][ T1774] F2FS-fs (loop4): fault_injection options not supported [ 104.505385][ T1774] F2FS-fs (loop4): fault_type options not supported [ 104.518413][ T1774] F2FS-fs (loop4): invalid crc value [ 104.519505][ T1772] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 104.524961][ T1774] F2FS-fs (loop4): Found nat_bits in checkpoint [ 104.530874][ T1772] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 1772] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 286] <... close resumed>) = 0 [pid 284] <... openat resumed>) = 3 [pid 1772] <... openat resumed>) = 4 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 284] ioctl(3, LOOP_CLR_FD [pid 1772] ioctl(4, LOOP_CLR_FD [pid 284] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1772] <... ioctl resumed>) = 0 [pid 284] close(3 [pid 1772] close(4 [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 1794 [pid 284] <... close resumed>) = 0 [pid 1772] <... close resumed>) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1772] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1771] <... futex resumed>) = 0 [pid 284] <... clone resumed>, child_tidptr=0x55557d22a690) = 1795 [pid 1772] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1771] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1774] <... mount resumed>) = 0 [pid 1774] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1771] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1772] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1774] <... openat resumed>) = 3 [pid 1774] chdir("./file4") = 0 [pid 1774] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1774] ioctl(4, LOOP_CLR_FD) = 0 [pid 1774] close(4) = 0 [pid 1774] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1773] <... futex resumed>) = 0 [pid 1773] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1773] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1774] <... futex resumed>) = 1 [pid 1774] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1772] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 104.566653][ T1774] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 104.573711][ T1774] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 104.583042][ T1776] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 104.586383][ T1772] F2FS-fs (loop2): switch discard_unit option is not allowed [ 104.597958][ T1776] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 104.602014][ T1774] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 1772] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1771] <... futex resumed>) = 0 ./strace-static-x86_64: Process 1795 attached [pid 1795] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1795] chdir("./48") = 0 [pid 1795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1795] setpgid(0, 0) = 0 [pid 1795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1795] write(3, "1000", 4) = 4 [pid 1795] close(3) = 0 ./strace-static-x86_64: Process 1794 attached [pid 1771] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1771] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1772] <... futex resumed>) = 0 [pid 1772] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1795] symlink("/dev/binderfs", "./binderfs" [pid 1794] set_robust_list(0x55557d22a6a0, 24 [pid 1774] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1773] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 1774] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1773] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1774] <... futex resumed>) = 0 [pid 1773] <... futex resumed>) = 0 [ 104.606516][ T1776] F2FS-fs (loop0): fault_injection options not supported [ 104.620872][ T1776] F2FS-fs (loop0): fault_type options not supported [ 104.628799][ T1776] F2FS-fs (loop0): invalid crc value [ 104.629190][ T1772] handle_bad_sector: 34 callbacks suppressed [ 104.629205][ T1772] attempt to access beyond end of device [ 104.629205][ T1772] loop2: rw=2049, want=53256, limit=40427 [ 104.657501][ T1774] attempt to access beyond end of device executing program [pid 1774] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1773] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1772] <... symlink resumed>) = 0 [pid 1772] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1772] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1795] <... symlink resumed>) = 0 [pid 1795] write(1, "executing program\n", 18) = 18 [pid 1795] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1795] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1795] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1795] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1795] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1797]}, 88) = 1797 [pid 1795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1795] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1795] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1797 attached [pid 1797] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1797] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1797] memfd_create("syzkaller", 0) = 3 [pid 1797] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1771] <... futex resumed>) = 0 [pid 1771] exit_group(0 [pid 1772] <... futex resumed>) = ? [pid 1771] <... exit_group resumed>) = ? [pid 1772] +++ exited with 0 +++ [pid 1771] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1771, si_uid=0, si_status=0, si_utime=6, si_stime=21} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 1794] <... set_robust_list resumed>) = 0 executing program [pid 1794] chdir("./51") = 0 [pid 1794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1794] setpgid(0, 0) = 0 [pid 1794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1794] write(3, "1000", 4) = 4 [pid 1794] close(3) = 0 [pid 1794] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1794] write(1, "executing program\n", 18) = 18 [pid 1794] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1794] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1794] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1794] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1799]}, 88) = 1799 [pid 1794] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1794] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1794] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 285] <... restart_syscall resumed>) = 0 [pid 285] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", ./strace-static-x86_64: Process 1799 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1799] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1799] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./50/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1799] memfd_create("syzkaller", 0) = 3 [pid 1799] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1774] <... symlink resumed>) = 0 [pid 1774] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1773] <... futex resumed>) = 0 [pid 1773] exit_group(0) = ? [pid 1774] <... futex resumed>) = ? [pid 1774] +++ exited with 0 +++ [pid 1773] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1773, si_uid=0, si_status=0, si_utime=9, si_stime=15} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 104.657501][ T1774] loop4: rw=2049, want=53256, limit=40427 [ 104.674458][ T1776] F2FS-fs (loop0): Found nat_bits in checkpoint [ 104.684390][ T285] attempt to access beyond end of device [ 104.684390][ T285] loop2: rw=2049, want=45104, limit=40427 [pid 287] umount2("./49/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1776] <... mount resumed>) = 0 [pid 1776] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1776] chdir("./file4") = 0 [pid 1776] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1776] ioctl(4, LOOP_CLR_FD) = 0 [pid 1776] close(4) = 0 [pid 1776] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1775] <... futex resumed>) = 0 [pid 1775] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1775] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1776] <... futex resumed>) = 1 [ 104.725319][ T287] attempt to access beyond end of device [ 104.725319][ T287] loop4: rw=2049, want=45104, limit=40427 [ 104.750404][ T1776] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 104.757708][ T1776] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 1776] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1776] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1775] <... futex resumed>) = 0 [pid 1775] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1775] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1776] <... futex resumed>) = 1 [pid 1776] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1776] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1775] <... futex resumed>) = 0 [pid 1775] exit_group(0) = ? [pid 1776] <... futex resumed>) = ? [pid 1776] +++ exited with 0 +++ [pid 1775] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1775, si_uid=0, si_status=0, si_utime=8, si_stime=21} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 104.792318][ T1776] F2FS-fs (loop0): switch discard_unit option is not allowed [ 104.816391][ T1776] attempt to access beyond end of device [ 104.816391][ T1776] loop0: rw=2049, want=53256, limit=40427 [pid 283] umount2("./48/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1797] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./50/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./50/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./50/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./50/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./50/file4") = 0 [pid 285] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./50/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./50") = 0 [pid 285] mkdir("./51", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 104.874512][ T283] attempt to access beyond end of device [ 104.874512][ T283] loop0: rw=2049, want=45104, limit=40427 [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1801 ./strace-static-x86_64: Process 1801 attached [pid 1801] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1801] chdir("./51") = 0 [pid 1801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1801] setpgid(0, 0) = 0 [pid 1801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1801] write(3, "1000", 4) = 4 [pid 1801] close(3) = 0 [pid 1801] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1801] write(1, "executing program\n", 18executing program ) = 18 [pid 1801] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1801] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1801] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1801] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1801] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1801] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1802]}, 88) = 1802 [pid 1801] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1801] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1801] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1799] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 1802 attached [pid 1802] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1802] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1802] memfd_create("syzkaller", 0) = 3 [pid 1802] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./49/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./49/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./49/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./49/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./49/file4") = 0 [pid 287] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./49/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./49") = 0 [pid 287] mkdir("./50", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1803 ./strace-static-x86_64: Process 1803 attached [pid 1803] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1803] chdir("./50") = 0 [pid 1803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1803] setpgid(0, 0) = 0 [pid 1803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1803] write(3, "1000", 4) = 4 [pid 1803] close(3) = 0 [pid 1803] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1803] write(1, "executing program\n", 18) = 18 [pid 1803] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1803] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1803] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1803] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1803] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1803] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1804]}, 88) = 1804 [pid 1803] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1803] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1803] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1804 attached [pid 1804] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1804] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1804] memfd_create("syzkaller", 0) = 3 [pid 1804] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1799] <... write resumed>) = 20699119 [pid 1799] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1799] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1799] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1799] close(3) = 0 [pid 1799] close(4) = 0 [pid 1799] mkdir("./file4", 0777) = 0 [pid 1799] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1797] <... write resumed>) = 20699119 [pid 1797] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1797] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1797] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1797] close(3) = 0 [pid 1797] close(4) = 0 [pid 1797] mkdir("./file4", 0777) = 0 [ 105.109732][ T1799] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 105.127317][ T1799] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 105.136125][ T1799] F2FS-fs (loop3): fault_injection options not supported [ 105.143168][ T1799] F2FS-fs (loop3): fault_type options not supported [ 105.151234][ T1799] F2FS-fs (loop3): invalid crc value [pid 1797] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./48/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 105.179911][ T1797] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 105.188224][ T1799] F2FS-fs (loop3): Found nat_bits in checkpoint [ 105.196363][ T1797] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 105.204662][ T1797] F2FS-fs (loop1): fault_injection options not supported [ 105.216005][ T1797] F2FS-fs (loop1): fault_type options not supported [pid 283] newfstatat(AT_FDCWD, "./48/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./48/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./48/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./48/file4") = 0 [pid 283] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./48/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./48") = 0 [pid 283] mkdir("./49", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1809 ./strace-static-x86_64: Process 1809 attached [pid 1809] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1809] chdir("./49") = 0 [pid 1809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1809] setpgid(0, 0) = 0 [pid 1809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1809] write(3, "1000", 4) = 4 [pid 1809] close(3) = 0 [pid 1809] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1809] write(1, "executing program\n", 18) = 18 [pid 1809] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1809] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1809] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1809] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1809] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1813]}, 88) = 1813 [pid 1809] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1809] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1809] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1813 attached [ 105.237176][ T1797] F2FS-fs (loop1): invalid crc value [pid 1813] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1813] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1813] memfd_create("syzkaller", 0) = 3 [pid 1813] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1799] <... mount resumed>) = 0 [pid 1799] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1799] chdir("./file4") = 0 [pid 1799] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1799] ioctl(4, LOOP_CLR_FD) = 0 [pid 1799] close(4) = 0 [pid 1799] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1794] <... futex resumed>) = 0 [pid 1799] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1794] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1799] <... futex resumed>) = 0 [pid 1794] <... futex resumed>) = 1 [pid 1799] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1794] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1799] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1802] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1799] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1794] <... futex resumed>) = 0 [pid 1799] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1794] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1799] <... futex resumed>) = 0 [pid 1794] <... futex resumed>) = 1 [pid 1799] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [ 105.264224][ T1799] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 105.271922][ T1797] F2FS-fs (loop1): Found nat_bits in checkpoint [ 105.273805][ T1799] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 105.296643][ T1799] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 1794] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1799] <... symlink resumed>) = 0 [pid 1799] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1794] <... futex resumed>) = 0 [pid 1799] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1794] exit_group(0 [pid 1799] <... futex resumed>) = ? [pid 1794] <... exit_group resumed>) = ? [pid 1799] +++ exited with 0 +++ [pid 1794] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1794, si_uid=0, si_status=0, si_utime=8, si_stime=16} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./51/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 105.312605][ T1799] attempt to access beyond end of device [ 105.312605][ T1799] loop3: rw=2049, want=53256, limit=40427 [ 105.330716][ T286] attempt to access beyond end of device [ 105.330716][ T286] loop3: rw=2049, want=45104, limit=40427 [pid 1804] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1797] <... mount resumed>) = 0 [pid 1797] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1797] chdir("./file4") = 0 [pid 1797] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1797] ioctl(4, LOOP_CLR_FD) = 0 [pid 1797] close(4) = 0 [pid 1797] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1795] <... futex resumed>) = 0 [pid 1797] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1795] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1797] <... futex resumed>) = 0 [pid 1795] <... futex resumed>) = 1 [pid 1797] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 105.405963][ T1797] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 105.413048][ T1797] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 1795] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1804] <... write resumed>) = 20699119 [pid 1797] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1804] munmap(0x7fb73baf6000, 138412032 [pid 1797] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1804] <... munmap resumed>) = 0 [pid 1797] <... futex resumed>) = 1 [pid 1804] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1797] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1804] <... openat resumed>) = 4 [pid 1795] <... futex resumed>) = 0 [pid 1804] ioctl(4, LOOP_SET_FD, 3 [pid 1795] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1797] <... futex resumed>) = 0 [pid 1795] <... futex resumed>) = 1 [pid 1797] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1795] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1804] <... ioctl resumed>) = 0 [pid 1797] <... symlink resumed>) = 0 [pid 1804] close(3) = 0 [pid 1797] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1804] close(4) = 0 [pid 1797] <... futex resumed>) = 1 [pid 1795] <... futex resumed>) = 0 [pid 1804] mkdir("./file4", 0777 [pid 1795] exit_group(0) = ? [pid 1804] <... mkdir resumed>) = 0 [ 105.454347][ T1797] F2FS-fs (loop1): switch discard_unit option is not allowed [ 105.478537][ T1797] attempt to access beyond end of device [ 105.478537][ T1797] loop1: rw=2049, want=53256, limit=40427 [pid 1804] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1797] +++ exited with 0 +++ [pid 1795] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1795, si_uid=0, si_status=0, si_utime=11, si_stime=12} --- [pid 284] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./48/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 105.499378][ T1804] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 105.508680][ T1804] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 105.521046][ T284] attempt to access beyond end of device [ 105.521046][ T284] loop1: rw=2049, want=45104, limit=40427 [ 105.534128][ T1804] F2FS-fs (loop4): fault_injection options not supported [pid 1813] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 286] <... umount2 resumed>) = 0 [ 105.568743][ T1804] F2FS-fs (loop4): fault_type options not supported [ 105.586465][ T1804] F2FS-fs (loop4): invalid crc value [pid 1802] <... write resumed>) = 20699119 [pid 1802] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1802] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1802] ioctl(4, LOOP_SET_FD, 3 [pid 286] umount2("./51/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./51/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./51/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./51/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./51/file4") = 0 [pid 286] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./51/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./51") = 0 [pid 286] mkdir("./52", 0777 [pid 1802] <... ioctl resumed>) = 0 [pid 1802] close(3) = 0 [pid 1802] close(4) = 0 [pid 1802] mkdir("./file4", 0777) = 0 [pid 1802] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] <... mkdir resumed>) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 105.616545][ T1804] F2FS-fs (loop4): Found nat_bits in checkpoint [ 105.641992][ T1802] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1820 ./strace-static-x86_64: Process 1820 attached [pid 1820] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1820] chdir("./52") = 0 [pid 1820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1820] setpgid(0, 0) = 0 [pid 1820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1820] write(3, "1000", 4) = 4 [pid 1820] close(3) = 0 [pid 1820] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1820] write(1, "executing program\n", 18executing program ) = 18 [pid 1820] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1820] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1820] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1820] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1820] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1821]}, 88) = 1821 [pid 1820] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1820] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1820] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1804] <... mount resumed>) = 0 ./strace-static-x86_64: Process 1821 attached [pid 1813] <... write resumed>) = 20699119 [pid 1804] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1821] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1821] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1821] memfd_create("syzkaller", 0) = 3 [pid 1813] munmap(0x7fb73baf6000, 138412032 [pid 1804] <... openat resumed>) = 3 [pid 1813] <... munmap resumed>) = 0 [pid 1804] chdir("./file4" [pid 1821] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 1804] <... chdir resumed>) = 0 [pid 1821] <... mmap resumed>) = 0x7fb73baf6000 [pid 1804] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 105.666030][ T1804] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 105.673130][ T1804] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 105.695058][ T1802] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 105.703764][ T1802] F2FS-fs (loop2): fault_injection options not supported [pid 1813] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1804] <... openat resumed>) = 4 [pid 1813] <... openat resumed>) = 4 [pid 1804] ioctl(4, LOOP_CLR_FD [pid 1813] ioctl(4, LOOP_SET_FD, 3 [pid 1804] <... ioctl resumed>) = 0 [pid 1804] close(4 [pid 1813] <... ioctl resumed>) = 0 [pid 1804] <... close resumed>) = 0 [pid 1813] close(3 [pid 1804] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1813] <... close resumed>) = 0 [pid 1804] <... futex resumed>) = 1 [pid 1803] <... futex resumed>) = 0 [pid 1813] close(4 [pid 1804] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1803] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1803] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1804] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1804] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1803] <... futex resumed>) = 0 [pid 1803] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1803] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1804] <... futex resumed>) = 1 [pid 1804] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1804] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1813] <... close resumed>) = 0 [ 105.710887][ T1802] F2FS-fs (loop2): fault_type options not supported [ 105.718430][ T1802] F2FS-fs (loop2): invalid crc value [ 105.724915][ T1802] F2FS-fs (loop2): Found nat_bits in checkpoint [ 105.756813][ T1804] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 1813] mkdir("./file4", 0777) = 0 [pid 1813] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1803] <... futex resumed>) = 0 [pid 1803] exit_group(0) = ? [pid 1804] <... futex resumed>) = ? [pid 1804] +++ exited with 0 +++ [pid 1803] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1803, si_uid=0, si_status=0, si_utime=12, si_stime=18} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 105.776042][ T1802] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 105.783198][ T1813] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 105.783217][ T1802] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 105.794031][ T1813] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [pid 287] umount2("./50/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1802] <... mount resumed>) = 0 [pid 1802] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1802] chdir("./file4") = 0 [pid 1802] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1802] ioctl(4, LOOP_CLR_FD) = 0 [pid 1802] close(4) = 0 [pid 1802] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1801] <... futex resumed>) = 0 [pid 1801] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1801] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1802] <... futex resumed>) = 1 [pid 1802] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 105.843338][ T1813] F2FS-fs (loop0): fault_injection options not supported [ 105.872465][ T1802] F2FS-fs (loop2): switch discard_unit option is not allowed [ 105.884551][ T1813] F2FS-fs (loop0): fault_type options not supported [pid 1821] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1802] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1802] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1801] <... futex resumed>) = 0 [pid 1801] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1801] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1802] <... futex resumed>) = 1 [pid 1802] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1802] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1801] <... futex resumed>) = 0 [pid 1801] exit_group(0) = ? [pid 1802] <... futex resumed>) = ? [pid 1802] +++ exited with 0 +++ [pid 1801] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1801, si_uid=0, si_status=0, si_utime=7, si_stime=20} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 284] <... umount2 resumed>) = 0 [ 105.892149][ T1813] F2FS-fs (loop0): invalid crc value [pid 284] umount2("./48/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... restart_syscall resumed>) = 0 [pid 285] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./51/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./48/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./48/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./48/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./48/file4") = 0 [pid 284] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./48/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./48") = 0 [pid 284] mkdir("./49", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1821] <... write resumed>) = 20699119 [pid 284] <... openat resumed>) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1828 [ 105.925524][ T1813] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1821] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1821] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1821] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 1828 attached [pid 1828] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1828] chdir("./49") = 0 [pid 1828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1828] setpgid(0, 0) = 0 [pid 1828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1828] write(3, "1000", 4) = 4 [pid 1828] close(3) = 0 [pid 1828] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1828] write(1, "executing program\n", 18executing program ) = 18 [pid 1828] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1828] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1828] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1828] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1828] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1830]}, 88) = 1830 [pid 1828] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1828] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1828] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1821] <... ioctl resumed>) = 0 [pid 1821] close(3) = 0 [pid 1821] close(4) = 0 [pid 1821] mkdir("./file4", 0777) = 0 [pid 1821] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"..../strace-static-x86_64: Process 1830 attached [pid 1830] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1830] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1830] memfd_create("syzkaller", 0) = 3 [pid 1830] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 106.008486][ T1821] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 106.015481][ T1821] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [pid 287] <... umount2 resumed>) = 0 [pid 1813] <... mount resumed>) = 0 [pid 287] umount2("./50/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1813] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1813] chdir("./file4" [pid 287] newfstatat(AT_FDCWD, "./50/file4", [pid 1813] <... chdir resumed>) = 0 [pid 1813] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1813] <... openat resumed>) = 4 [pid 287] umount2("./50/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1813] ioctl(4, LOOP_CLR_FD [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1813] <... ioctl resumed>) = 0 [pid 287] openat(AT_FDCWD, "./50/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1813] close(4) = 0 [pid 287] <... openat resumed>) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./50/file4") = 0 [pid 1813] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1809] <... futex resumed>) = 0 [pid 1809] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1809] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 106.048975][ T1821] F2FS-fs (loop3): fault_injection options not supported [ 106.056616][ T1813] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 106.063696][ T1813] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 106.075854][ T1821] F2FS-fs (loop3): fault_type options not supported [ 106.088512][ T1821] F2FS-fs (loop3): invalid crc value [pid 1813] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 287] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./50/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./50") = 0 [pid 287] mkdir("./51", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1833 ./strace-static-x86_64: Process 1833 attached [pid 1833] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1833] chdir("./51") = 0 [pid 1833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1833] setpgid(0, 0) = 0 [pid 1833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1833] write(3, "1000", 4) = 4 [pid 1833] close(3) = 0 [pid 1833] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1833] write(1, "executing program\n", 18executing program ) = 18 [pid 1833] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1833] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1833] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1833] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1833] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1835]}, 88) = 1835 [pid 1833] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1833] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1833] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1813] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1813] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1809] <... futex resumed>) = 0 [pid 1809] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1809] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1813] <... futex resumed>) = 1 [pid 1813] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 ./strace-static-x86_64: Process 1835 attached [pid 1835] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1835] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1835] memfd_create("syzkaller", 0 [pid 1813] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1809] <... futex resumed>) = 0 [pid 1809] exit_group(0) = ? [pid 1813] <... futex resumed>) = ? [pid 1813] +++ exited with 0 +++ [pid 1809] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1809, si_uid=0, si_status=0, si_utime=11, si_stime=21} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 1835] <... memfd_create resumed>) = 3 [pid 1835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 106.098907][ T1813] F2FS-fs (loop0): switch discard_unit option is not allowed [ 106.139432][ T1821] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 283] umount2("./49/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1830] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./51/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./51/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./51/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./51/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./51/file4") = 0 [pid 285] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./51/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./51") = 0 [pid 285] mkdir("./52", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1837 ./strace-static-x86_64: Process 1837 attached [pid 1837] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1837] chdir("./52") = 0 [pid 1837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1821] <... mount resumed>) = 0 [pid 1837] <... prctl resumed>) = 0 [pid 1837] setpgid(0, 0 [pid 1821] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1837] <... setpgid resumed>) = 0 [pid 1837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1821] <... openat resumed>) = 3 [pid 1837] <... openat resumed>) = 3 [pid 1821] chdir("./file4" [pid 1837] write(3, "1000", 4) = 4 [pid 1821] <... chdir resumed>) = 0 [pid 1837] close(3) = 0 [pid 1821] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1837] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1837] write(1, "executing program\n", 18 [pid 1821] <... openat resumed>) = 4 [pid 1837] <... write resumed>) = 18 [pid 1821] ioctl(4, LOOP_CLR_FD [pid 1837] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1821] <... ioctl resumed>) = 0 [pid 1837] <... futex resumed>) = 0 [pid 1837] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 1821] close(4 [pid 1837] <... rt_sigaction resumed>NULL, 8) = 0 [pid 1837] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 1821] <... close resumed>) = 0 [pid 1837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1821] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 1821] <... futex resumed>) = 1 [pid 1837] <... mmap resumed>) = 0x7fb743ef6000 [pid 1821] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1837] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1820] <... futex resumed>) = 0 [pid 1837] rt_sigprocmask(SIG_BLOCK, ~[], [pid 1820] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1837] <... rt_sigprocmask resumed>[], 8) = 0 [pid 1837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 1821] <... futex resumed>) = 0 [pid 1820] <... futex resumed>) = 1 [pid 1821] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1820] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1837] <... clone3 resumed> => {parent_tid=[1838]}, 88) = 1838 [pid 1837] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1837] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1837] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1821] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 1838 attached [pid 1821] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1838] set_robust_list(0x7fb743f169a0, 24 [pid 1821] <... futex resumed>) = 1 [pid 1838] <... set_robust_list resumed>) = 0 [pid 1838] rt_sigprocmask(SIG_SETMASK, [], [pid 1821] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1838] memfd_create("syzkaller", 0 [pid 1820] <... futex resumed>) = 0 [pid 1838] <... memfd_create resumed>) = 3 [pid 1820] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1821] <... futex resumed>) = 0 [pid 1820] <... futex resumed>) = 1 [pid 1820] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1821] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1821] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1821] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1820] <... futex resumed>) = 0 [pid 1820] exit_group(0 [pid 1821] <... futex resumed>) = 231 [pid 1820] <... exit_group resumed>) = ? [pid 1821] +++ exited with 0 +++ [pid 1820] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1820, si_uid=0, si_status=0, si_utime=7, si_stime=17} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 106.256681][ T1821] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 106.274997][ T1821] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 106.293863][ T1821] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 286] umount2("./52/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1830] <... write resumed>) = 20699119 [pid 1830] munmap(0x7fb73baf6000, 138412032 [pid 1835] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 283] <... umount2 resumed>) = 0 [pid 1830] <... munmap resumed>) = 0 [pid 283] umount2("./49/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./49/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./49/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./49/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./49/file4") = 0 [pid 283] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./49/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./49") = 0 [pid 283] mkdir("./50", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1830] <... openat resumed>) = 4 [pid 283] <... openat resumed>) = 3 [pid 1830] ioctl(4, LOOP_SET_FD, 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3 [pid 1830] <... ioctl resumed>) = 0 [pid 283] <... close resumed>) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1830] close(3) = 0 [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 1840 [pid 1830] close(4) = 0 [pid 1830] mkdir("./file4", 0777) = 0 [pid 1830] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"..../strace-static-x86_64: Process 1840 attached [pid 1840] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1840] chdir("./50") = 0 [pid 1840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1840] setpgid(0, 0) = 0 [pid 1840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1840] write(3, "1000", 4) = 4 [pid 1840] close(3) = 0 [pid 1840] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1840] write(1, "executing program\n", 18executing program ) = 18 [pid 1840] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1840] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1840] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1840] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1841]}, 88) = 1841 [pid 1840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1840] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1840] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1841 attached [pid 1841] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1841] rt_sigprocmask(SIG_SETMASK, [], [pid 1838] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1841] memfd_create("syzkaller", 0) = 3 [pid 1841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1835] <... write resumed>) = 20699119 [pid 1835] munmap(0x7fb73baf6000, 138412032) = 0 [ 106.474103][ T1830] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 106.494301][ T1830] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 106.503345][ T1830] F2FS-fs (loop1): fault_injection options not supported [ 106.510937][ T1830] F2FS-fs (loop1): fault_type options not supported [pid 1835] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1835] ioctl(4, LOOP_SET_FD, 3 [pid 286] <... umount2 resumed>) = 0 [pid 1835] <... ioctl resumed>) = 0 [pid 1835] close(3) = 0 [pid 1835] close(4 [pid 286] umount2("./52/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./52/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./52/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./52/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./52/file4") = 0 [pid 286] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./52/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./52") = 0 [pid 286] mkdir("./53", 0777) = 0 [ 106.535795][ T1830] F2FS-fs (loop1): invalid crc value [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1835] <... close resumed>) = 0 [pid 286] <... openat resumed>) = 3 [pid 1835] mkdir("./file4", 0777 [pid 286] ioctl(3, LOOP_CLR_FD [pid 1835] <... mkdir resumed>) = 0 [ 106.563843][ T1830] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 1835] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1846 [ 106.624224][ T1830] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 106.639860][ T1835] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 106.655958][ T1830] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 1841] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 1846 attached [pid 1846] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1846] chdir("./53") = 0 [pid 1846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1846] setpgid(0, 0) = 0 [pid 1846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1846] write(3, "1000", 4) = 4 [pid 1846] close(3) = 0 [pid 1846] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1838] <... write resumed>) = 20699119 [pid 1846] write(1, "executing program\n", 18executing program ) = 18 [pid 1846] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1846] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1846] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1846] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1846] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1847]}, 88) = 1847 [pid 1846] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1846] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1846] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1847 attached [pid 1847] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1847] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1847] memfd_create("syzkaller", 0) = 3 [pid 1847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1830] <... mount resumed>) = 0 [pid 1838] munmap(0x7fb73baf6000, 138412032 [pid 1830] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1830] chdir("./file4") = 0 [pid 1830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1830] ioctl(4, LOOP_CLR_FD) = 0 [ 106.670176][ T1835] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 1830] close(4) = 0 [pid 1838] <... munmap resumed>) = 0 [pid 1838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1830] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1828] <... futex resumed>) = 0 [pid 1828] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1830] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1828] <... futex resumed>) = 0 [pid 1828] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1838] <... openat resumed>) = 4 [pid 1838] ioctl(4, LOOP_SET_FD, 3 [pid 1830] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1830] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1838] <... ioctl resumed>) = 0 [pid 1838] close(3) = 0 [pid 1838] close(4) = 0 [pid 1838] mkdir("./file4", 0777) = 0 [pid 1838] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1828] <... futex resumed>) = 0 [pid 1830] <... futex resumed>) = 1 [pid 1828] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1828] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1830] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1830] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1828] <... futex resumed>) = 0 [pid 1828] exit_group(0) = ? [pid 1830] +++ exited with 0 +++ [pid 1828] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1828, si_uid=0, si_status=0, si_utime=12, si_stime=19} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./49/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1841] <... write resumed>) = 20699119 [ 106.724939][ T1835] F2FS-fs (loop4): fault_injection options not supported [ 106.734802][ T1830] F2FS-fs (loop1): switch discard_unit option is not allowed [ 106.743308][ T1835] F2FS-fs (loop4): fault_type options not supported [ 106.754495][ T1838] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 106.762162][ T1838] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [pid 1841] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1841] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1841] close(3) = 0 [pid 1841] close(4) = 0 [pid 1841] mkdir("./file4", 0777) = 0 [ 106.787824][ T1835] F2FS-fs (loop4): invalid crc value [ 106.800305][ T1838] F2FS-fs (loop2): fault_injection options not supported [ 106.819463][ T1841] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 106.827064][ T1838] F2FS-fs (loop2): fault_type options not supported [ 106.835251][ T1835] F2FS-fs (loop4): Found nat_bits in checkpoint [ 106.842037][ T1841] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 106.865988][ T1841] F2FS-fs (loop0): fault_injection options not supported [ 106.866015][ T1838] F2FS-fs (loop2): invalid crc value [pid 1841] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 106.884679][ T1841] F2FS-fs (loop0): fault_type options not supported [ 106.902818][ T1841] F2FS-fs (loop0): invalid crc value [ 106.917950][ T1838] F2FS-fs (loop2): Found nat_bits in checkpoint [ 106.935605][ T1841] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1847] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 1847] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1847] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1847] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1847] close(3) = 0 [pid 1847] close(4 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./49/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1835] <... mount resumed>) = 0 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1835] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 284] newfstatat(AT_FDCWD, "./49/file4", [pid 1835] <... openat resumed>) = 3 [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1835] chdir("./file4" [pid 284] umount2("./49/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1835] <... chdir resumed>) = 0 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1835] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 284] openat(AT_FDCWD, "./49/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./49/file4") = 0 [pid 284] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./49/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./49") = 0 [pid 284] mkdir("./50", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1841] <... mount resumed>) = 0 [pid 1841] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1841] chdir("./file4") = 0 [ 106.985013][ T1835] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 106.995775][ T1835] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 107.016894][ T1841] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 107.024543][ T1841] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 1841] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1847] <... close resumed>) = 0 [pid 1838] <... mount resumed>) = 0 [pid 1835] <... openat resumed>) = 4 [pid 284] <... openat resumed>) = 3 [pid 1847] mkdir("./file4", 0777 [pid 1835] ioctl(4, LOOP_CLR_FD [pid 284] ioctl(3, LOOP_CLR_FD [pid 1847] <... mkdir resumed>) = 0 [pid 1838] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1835] <... ioctl resumed>) = 0 [pid 284] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1838] <... openat resumed>) = 3 [pid 1838] chdir("./file4" [pid 1847] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1835] close(4 [pid 284] close(3 [pid 1838] <... chdir resumed>) = 0 [ 107.026599][ T1838] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 107.039188][ T1838] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 1838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1835] <... close resumed>) = 0 [pid 284] <... close resumed>) = 0 [pid 1835] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1835] <... futex resumed>) = 1 [pid 1833] <... futex resumed>) = 0 [pid 1835] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1833] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... clone resumed>, child_tidptr=0x55557d22a690) = 1860 [pid 1835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1833] <... futex resumed>) = 0 [pid 1835] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1833] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1835] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1841] <... openat resumed>) = 4 [pid 1841] ioctl(4, LOOP_CLR_FD) = 0 [pid 1841] close(4) = 0 [pid 1841] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1840] <... futex resumed>) = 0 [pid 1840] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1840] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1841] <... futex resumed>) = 1 [pid 1841] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1838] <... openat resumed>) = 4 [pid 1838] ioctl(4, LOOP_CLR_FD) = 0 [pid 1838] close(4) = 0 [pid 1838] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1837] <... futex resumed>) = 0 [pid 1837] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1837] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1838] <... futex resumed>) = 1 [pid 1838] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULLexecuting program [pid 1841] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1835] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 1860 attached [pid 1860] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1860] chdir("./50") = 0 [pid 1860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1860] setpgid(0, 0) = 0 [pid 1860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1860] write(3, "1000", 4) = 4 [pid 1860] close(3) = 0 [pid 1860] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1860] write(1, "executing program\n", 18) = 18 [pid 1860] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1860] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1860] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1860] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1860] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1860] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1861]}, 88) = 1861 [pid 1860] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1860] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1860] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1841] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1835] <... futex resumed>) = 1 [pid 1833] <... futex resumed>) = 0 [pid 1833] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1833] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1841] <... futex resumed>) = 1 [pid 1835] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1840] <... futex resumed>) = 0 [pid 1840] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1840] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1841] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1835] <... symlink resumed>) = 0 [pid 1841] <... symlink resumed>) = 0 [pid 1835] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1841] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1835] <... futex resumed>) = 1 [pid 1833] <... futex resumed>) = 0 [pid 1833] exit_group(0) = ? [pid 1841] <... futex resumed>) = 1 [pid 1840] <... futex resumed>) = 0 [pid 1840] exit_group(0) = ? ./strace-static-x86_64: Process 1861 attached [pid 1841] +++ exited with 0 +++ [pid 1840] +++ exited with 0 +++ [pid 1838] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1835] +++ exited with 0 +++ [pid 1833] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1833, si_uid=0, si_status=0, si_utime=11, si_stime=15} --- [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1840, si_uid=0, si_status=0, si_utime=9, si_stime=18} --- [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 287] <... restart_syscall resumed>) = 0 [pid 283] <... restart_syscall resumed>) = 0 [pid 1861] set_robust_list(0x7fb743f169a0, 24 [pid 1838] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1861] <... set_robust_list resumed>) = 0 [pid 1838] <... futex resumed>) = 1 [pid 1837] <... futex resumed>) = 0 [pid 287] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1861] rt_sigprocmask(SIG_SETMASK, [], [pid 1838] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1837] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1837] <... futex resumed>) = 0 [pid 287] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 283] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1837] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 287] <... openat resumed>) = 3 [pid 283] <... openat resumed>) = 3 [pid 287] newfstatat(3, "", [pid 283] newfstatat(3, "", [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1861] memfd_create("syzkaller", 0 [pid 1838] <... symlink resumed>) = 0 [pid 287] getdents64(3, [pid 283] getdents64(3, [pid 1861] <... memfd_create resumed>) = 3 [pid 1838] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 1861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 1838] <... futex resumed>) = 1 [pid 1837] <... futex resumed>) = 0 [ 107.087125][ T1835] F2FS-fs (loop4): switch discard_unit option is not allowed [ 107.095416][ T1841] F2FS-fs (loop0): switch discard_unit option is not allowed [ 107.103641][ T1847] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 107.114025][ T1838] F2FS-fs (loop2): switch discard_unit option is not allowed [ 107.114978][ T1847] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [pid 287] umount2("./51/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] umount2("./50/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1861] <... mmap resumed>) = 0x7fb73baf6000 [pid 1838] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1837] exit_group(0) = ? [pid 1838] <... futex resumed>) = ? [pid 1838] +++ exited with 0 +++ [pid 1837] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1837, si_uid=0, si_status=0, si_utime=7, si_stime=21} --- [pid 285] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 107.147925][ T1847] F2FS-fs (loop3): fault_injection options not supported [ 107.155031][ T1847] F2FS-fs (loop3): fault_type options not supported [ 107.209608][ T1847] F2FS-fs (loop3): invalid crc value [ 107.240511][ T1847] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 285] umount2("./52/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1861] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1847] <... mount resumed>) = 0 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./52/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./52/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./52/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./52/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./52/file4") = 0 [pid 285] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./52/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./52") = 0 [pid 285] mkdir("./53", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1847] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1847] chdir("./file4") = 0 [ 107.314642][ T1847] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 107.325785][ T1847] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 1847] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1861] <... write resumed>) = 20699119 [pid 1861] munmap(0x7fb73baf6000, 138412032) = 0 [pid 285] <... openat resumed>) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1865 [pid 1861] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1861] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1861] close(3) = 0 [pid 1861] close(4./strace-static-x86_64: Process 1865 attached [pid 1865] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1865] chdir("./53") = 0 [pid 1865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1865] setpgid(0, 0) = 0 [pid 1865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1865] write(3, "1000", 4) = 4 [pid 1865] close(3) = 0 [pid 1865] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1865] write(1, "executing program\n", 18executing program ) = 18 [pid 1865] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1865] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1865] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1865] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1865] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1865] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1867]}, 88) = 1867 [pid 1865] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1865] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1865] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1867 attached [pid 1867] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1867] memfd_create("syzkaller", 0) = 3 [pid 1867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1861] <... close resumed>) = 0 [pid 1847] <... openat resumed>) = 4 [pid 1861] mkdir("./file4", 0777 [pid 1847] ioctl(4, LOOP_CLR_FD [pid 1861] <... mkdir resumed>) = 0 [pid 1847] <... ioctl resumed>) = 0 [pid 1847] close(4) = 0 [pid 1847] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1846] <... futex resumed>) = 0 [pid 1861] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1847] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1846] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1846] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./50/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./50/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./50/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./50/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./50/file4") = 0 [pid 283] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./50/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./50") = 0 [pid 283] mkdir("./51", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1868 ./strace-static-x86_64: Process 1868 attached [pid 1868] set_robust_list(0x55557d22a6a0, 24 [pid 1847] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 107.419218][ T1847] F2FS-fs (loop3): switch discard_unit option is not allowed [ 107.429992][ T1861] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [pid 1868] <... set_robust_list resumed>) = 0 [pid 1847] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1868] chdir("./51" [pid 1847] <... futex resumed>) = 1 [pid 1846] <... futex resumed>) = 0 [pid 1868] <... chdir resumed>) = 0 [pid 1847] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1846] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1846] <... futex resumed>) = 0 [pid 1846] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1847] <... symlink resumed>) = 0 [pid 1868] <... prctl resumed>) = 0 [pid 1868] setpgid(0, 0 [pid 1847] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1868] <... setpgid resumed>) = 0 [pid 1868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1847] <... futex resumed>) = 1 [pid 1846] <... futex resumed>) = 0 [pid 1868] <... openat resumed>) = 3 [pid 1847] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1846] exit_group(0 [pid 1868] write(3, "1000", 4) = 4 [pid 1847] <... futex resumed>) = ? [pid 1846] <... exit_group resumed>) = ? [pid 1868] close(3) = 0 [pid 1847] +++ exited with 0 +++ [pid 1846] +++ exited with 0 +++ [pid 1868] symlink("/dev/binderfs", "./binderfs" [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1846, si_uid=0, si_status=0, si_utime=9, si_stime=18} --- executing program [pid 1868] <... symlink resumed>) = 0 [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 1868] write(1, "executing program\n", 18) = 18 [pid 1868] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1868] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1868] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1868] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1868] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1869]}, 88) = 1869 [pid 1868] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1868] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1868] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 286] <... restart_syscall resumed>) = 0 [pid 286] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1869 attached ) = -1 EINVAL (Invalid argument) [pid 1869] set_robust_list(0x7fb743f169a0, 24 [pid 286] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1869] <... set_robust_list resumed>) = 0 [pid 1869] rt_sigprocmask(SIG_SETMASK, [], [pid 286] <... openat resumed>) = 3 [pid 1869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 286] newfstatat(3, "", [pid 1869] memfd_create("syzkaller", 0 [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1869] <... memfd_create resumed>) = 3 [pid 286] getdents64(3, [pid 1869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 286] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./53/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] <... umount2 resumed>) = 0 [ 107.468566][ T1861] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 107.487737][ T1861] F2FS-fs (loop1): fault_injection options not supported [ 107.494891][ T1861] F2FS-fs (loop1): fault_type options not supported [pid 287] umount2("./51/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./51/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./51/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./51/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./51/file4") = 0 [pid 287] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./51/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./51") = 0 [pid 287] mkdir("./52", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1871 ./strace-static-x86_64: Process 1871 attached [pid 1871] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1871] chdir("./52") = 0 [pid 1871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1871] setpgid(0, 0) = 0 [ 107.536001][ T1861] F2FS-fs (loop1): invalid crc value [pid 1871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1871] write(3, "1000", 4) = 4 [pid 1871] close(3) = 0 [pid 1871] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1871] write(1, "executing program\n", 18executing program ) = 18 [pid 1871] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1871] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1871] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1871] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1873]}, 88) = 1873 [pid 1871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1871] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1871] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1873 attached [pid 1873] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1873] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1867] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1873] memfd_create("syzkaller", 0) = 3 [pid 1873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 107.584446][ T1861] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 1861] <... mount resumed>) = 0 [pid 1861] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1861] chdir("./file4") = 0 [pid 1861] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1861] ioctl(4, LOOP_CLR_FD) = 0 [pid 1861] close(4) = 0 [pid 1861] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1860] <... futex resumed>) = 0 [pid 1860] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1861] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1860] <... futex resumed>) = 0 [pid 1860] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1861] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1861] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1860] <... futex resumed>) = 0 [pid 1860] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1861] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1860] <... futex resumed>) = 0 [pid 1861] <... symlink resumed>) = 0 [pid 1860] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1861] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1860] <... futex resumed>) = 0 [pid 1861] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1860] exit_group(0 [pid 1861] <... futex resumed>) = ? [pid 1860] <... exit_group resumed>) = ? [pid 1861] +++ exited with 0 +++ [pid 1860] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1860, si_uid=0, si_status=0, si_utime=10, si_stime=15} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 107.665789][ T1861] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 107.672888][ T1861] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 107.705659][ T1861] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 284] umount2("./50/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./53/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./53/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./53/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./53/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./53/file4") = 0 [pid 286] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./53/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./53") = 0 [pid 286] mkdir("./54", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3 [pid 1867] <... write resumed>) = 20699119 [pid 1867] munmap(0x7fb73baf6000, 138412032) = 0 [pid 286] <... close resumed>) = 0 [pid 1867] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1867] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1867] close(3) = 0 [pid 1867] close(4 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1876 ./strace-static-x86_64: Process 1876 attached [pid 1876] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1876] chdir("./54") = 0 [pid 1876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1876] setpgid(0, 0) = 0 [pid 1876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1876] write(3, "1000", 4) = 4 [pid 1876] close(3) = 0 [pid 1876] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1876] write(1, "executing program\n", 18executing program ) = 18 [pid 1876] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1876] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1876] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1876] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1877]}, 88) = 1877 [pid 1876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1876] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1876] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1877 attached [pid 1877] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1877] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1877] memfd_create("syzkaller", 0) = 3 [pid 1877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1869] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1873] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1867] <... close resumed>) = 0 [pid 1867] mkdir("./file4", 0777) = 0 [pid 1867] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1873] <... write resumed>) = 20699119 [pid 1873] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1873] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1873] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1873] close(3) = 0 [pid 1873] close(4) = 0 [pid 1873] mkdir("./file4", 0777) = 0 [ 107.897718][ T1867] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 107.904718][ T1867] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 107.938618][ T1873] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 107.948388][ T1873] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 107.965890][ T1873] F2FS-fs (loop4): fault_injection options not supported [ 107.972349][ T1867] F2FS-fs (loop2): fault_injection options not supported [ 107.980044][ T1873] F2FS-fs (loop4): fault_type options not supported [pid 1873] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1869] <... write resumed>) = 20699119 [pid 1869] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1869] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1869] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1869] close(3) = 0 [pid 1869] close(4) = 0 [pid 1869] mkdir("./file4", 0777) = 0 [ 107.987079][ T1873] F2FS-fs (loop4): invalid crc value [ 108.006545][ T1873] F2FS-fs (loop4): Found nat_bits in checkpoint [ 108.020778][ T1867] F2FS-fs (loop2): fault_type options not supported [ 108.032667][ T1867] F2FS-fs (loop2): invalid crc value [ 108.038451][ T1869] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 108.045435][ T1869] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 108.065527][ T1867] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 1869] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./50/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1873] <... mount resumed>) = 0 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1877] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1873] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 284] newfstatat(AT_FDCWD, "./50/file4", [pid 1873] <... openat resumed>) = 3 [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1873] chdir("./file4" [pid 284] umount2("./50/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1873] <... chdir resumed>) = 0 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1873] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 284] openat(AT_FDCWD, "./50/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1873] <... openat resumed>) = 4 [pid 284] <... openat resumed>) = 4 [pid 1873] ioctl(4, LOOP_CLR_FD [pid 284] newfstatat(4, "", [pid 1873] <... ioctl resumed>) = 0 [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1873] close(4 [pid 284] getdents64(4, [pid 1873] <... close resumed>) = 0 [pid 284] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 1873] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] getdents64(4, [pid 1873] <... futex resumed>) = 1 [pid 284] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 1873] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 284] close(4) = 0 [pid 284] rmdir("./50/file4") = 0 [pid 284] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./50/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./50") = 0 [pid 284] mkdir("./51", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1888 [pid 1871] <... futex resumed>) = 0 [pid 1871] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1873] <... futex resumed>) = 0 [pid 1871] <... futex resumed>) = 1 [ 108.085295][ T1869] F2FS-fs (loop0): fault_injection options not supported [ 108.100852][ T1873] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 108.106045][ T1869] F2FS-fs (loop0): fault_type options not supported [ 108.108044][ T1873] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 108.126013][ T1869] F2FS-fs (loop0): invalid crc value [ 108.132942][ T1869] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1873] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1871] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 1888 attached [pid 1888] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1888] chdir("./51") = 0 [pid 1888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1888] setpgid(0, 0) = 0 [pid 1888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1888] write(3, "1000", 4) = 4 [pid 1888] close(3) = 0 [pid 1888] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1888] write(1, "executing program\n", 18executing program ) = 18 [pid 1888] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1888] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1888] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1888] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1888] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1888] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1889]}, 88) = 1889 [pid 1888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1888] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1888] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1889 attached [pid 1889] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1889] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1889] memfd_create("syzkaller", 0) = 3 [pid 1889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1873] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1873] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1871] <... futex resumed>) = 0 [pid 1871] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1871] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1873] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1873] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1871] <... futex resumed>) = 0 [pid 1873] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1871] exit_group(0 [pid 1873] <... futex resumed>) = ? [pid 1871] <... exit_group resumed>) = ? [pid 1873] +++ exited with 0 +++ [pid 1871] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1871, si_uid=0, si_status=0, si_utime=8, si_stime=16} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 108.146893][ T1873] F2FS-fs (loop4): switch discard_unit option is not allowed [ 108.155175][ T1867] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 108.183875][ T1867] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 287] umount2("./52/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1867] <... mount resumed>) = 0 [pid 1867] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1867] chdir("./file4") = 0 [pid 1867] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1867] ioctl(4, LOOP_CLR_FD) = 0 [pid 1867] close(4) = 0 [pid 1867] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1867] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1865] <... futex resumed>) = 0 [pid 1865] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1867] <... futex resumed>) = 0 [pid 1865] <... futex resumed>) = 1 [pid 1867] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1865] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1869] <... mount resumed>) = 0 [pid 1869] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1869] chdir("./file4") = 0 [pid 1869] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1869] ioctl(4, LOOP_CLR_FD) = 0 [pid 1869] close(4) = 0 [pid 1869] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1868] <... futex resumed>) = 0 [pid 1868] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1868] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1869] <... futex resumed>) = 1 [pid 1869] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1869] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1868] <... futex resumed>) = 0 [pid 1868] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1868] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1869] <... futex resumed>) = 1 [pid 1869] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1869] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1868] <... futex resumed>) = 0 [pid 1868] exit_group(0) = ? [pid 1869] <... futex resumed>) = ? [pid 1869] +++ exited with 0 +++ [pid 1868] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1868, si_uid=0, si_status=0, si_utime=10, si_stime=14} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./51/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1867] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1865] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 1867] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1865] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1867] <... futex resumed>) = 0 [pid 1865] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 108.205994][ T1869] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 108.213642][ T1869] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 108.213859][ T1867] F2FS-fs (loop2): switch discard_unit option is not allowed [ 108.235898][ T1869] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 1867] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1867] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1865] <... futex resumed>) = 0 [pid 1867] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1865] exit_group(0) = ? [pid 1867] <... futex resumed>) = ? [pid 1867] +++ exited with 0 +++ [pid 1865] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1865, si_uid=0, si_status=0, si_utime=10, si_stime=20} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./53/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1877] <... write resumed>) = 20699119 [pid 1877] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1877] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1889] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./52/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./52/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./52/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1889] <... write resumed>) = 20699119 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./52/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./52/file4" [pid 1889] munmap(0x7fb73baf6000, 138412032 [pid 287] <... rmdir resumed>) = 0 [pid 287] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./52/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./52") = 0 [pid 287] mkdir("./53", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1889] <... munmap resumed>) = 0 [pid 1889] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1877] <... openat resumed>) = 4 [pid 1889] <... openat resumed>) = 4 [pid 1889] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1889] close(3) = 0 [pid 1889] close(4 [pid 1877] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1877] close(3 [pid 1889] <... close resumed>) = 0 [pid 1877] <... close resumed>) = 0 [pid 287] <... openat resumed>) = 3 [pid 1877] close(4) = 0 [pid 287] ioctl(3, LOOP_CLR_FD [pid 1877] mkdir("./file4", 0777 [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1889] mkdir("./file4", 0777 [pid 1877] <... mkdir resumed>) = 0 [pid 287] close(3 [pid 1877] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1889] <... mkdir resumed>) = 0 [pid 1889] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] <... close resumed>) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1893 ./strace-static-x86_64: Process 1893 attached [pid 1893] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1893] chdir("./53") = 0 [pid 1893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1893] setpgid(0, 0) = 0 [pid 1893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1893] write(3, "1000", 4) = 4 [pid 1893] close(3) = 0 [pid 1893] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1893] write(1, "executing program\n", 18executing program ) = 18 [pid 1893] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1893] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1893] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1893] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1893] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1896]}, 88) = 1896 [pid 1893] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1893] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 108.517786][ T1877] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 108.518646][ T1889] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 108.524869][ T1877] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 108.524933][ T1877] F2FS-fs (loop3): fault_injection options not supported [ 108.524945][ T1877] F2FS-fs (loop3): fault_type options not supported [ 108.554962][ T1877] F2FS-fs (loop3): invalid crc value [pid 1893] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1896 attached [pid 1896] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1896] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1896] memfd_create("syzkaller", 0) = 3 [pid 1896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 283] <... umount2 resumed>) = 0 [ 108.576943][ T1877] F2FS-fs (loop3): Found nat_bits in checkpoint [ 108.595914][ T1889] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 108.604165][ T1889] F2FS-fs (loop1): fault_injection options not supported [pid 283] umount2("./51/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./51/file4", [pid 285] <... umount2 resumed>) = 0 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./51/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] umount2("./53/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1877] <... mount resumed>) = 0 [pid 1877] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1877] chdir("./file4") = 0 [pid 1877] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1877] ioctl(4, LOOP_CLR_FD) = 0 [pid 1877] close(4 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./51/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 285] newfstatat(AT_FDCWD, "./53/file4", [pid 283] <... openat resumed>) = 4 [pid 1877] <... close resumed>) = 0 [pid 1877] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1876] <... futex resumed>) = 0 [pid 1876] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1876] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1877] <... futex resumed>) = 1 [ 108.633884][ T1877] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 108.641140][ T1889] F2FS-fs (loop1): fault_type options not supported [ 108.648419][ T1877] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 108.651515][ T1889] F2FS-fs (loop1): invalid crc value [ 108.664191][ T1889] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 1877] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] newfstatat(4, "", [pid 1877] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1877] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1876] <... futex resumed>) = 0 [pid 1877] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1876] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1876] <... futex resumed>) = 0 [pid 1877] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1876] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1877] <... symlink resumed>) = 0 [pid 285] umount2("./53/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1877] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1876] <... futex resumed>) = 0 [pid 1877] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1876] exit_group(0 [pid 1877] <... futex resumed>) = ? [pid 1876] <... exit_group resumed>) = ? [pid 1877] +++ exited with 0 +++ [pid 1876] +++ exited with 0 +++ [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] getdents64(4, [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1876, si_uid=0, si_status=0, si_utime=7, si_stime=15} --- [pid 286] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./54/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] openat(AT_FDCWD, "./53/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 283] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] <... openat resumed>) = 4 [pid 283] getdents64(4, [pid 285] newfstatat(4, "", [pid 283] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4 [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] <... close resumed>) = 0 [pid 285] getdents64(4, [pid 283] rmdir("./51/file4" [pid 285] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] <... rmdir resumed>) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] close(4 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] <... close resumed>) = 0 [pid 283] newfstatat(AT_FDCWD, "./51/binderfs", [pid 285] rmdir("./53/file4" [pid 283] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] <... rmdir resumed>) = 0 [pid 283] unlink("./51/binderfs") = 0 [pid 285] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] getdents64(3, [pid 1889] <... mount resumed>) = 0 [pid 283] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] newfstatat(AT_FDCWD, "./53/binderfs", [pid 1889] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 283] close(3 [pid 285] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] <... close resumed>) = 0 [pid 285] unlink("./53/binderfs" [pid 283] rmdir("./51" [pid 285] <... unlink resumed>) = 0 [pid 283] <... rmdir resumed>) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] mkdir("./52", 0777 [pid 285] close(3 [pid 283] <... mkdir resumed>) = 0 [pid 285] <... close resumed>) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 285] rmdir("./53" [pid 283] <... openat resumed>) = 3 [pid 285] <... rmdir resumed>) = 0 [pid 283] ioctl(3, LOOP_CLR_FD [pid 285] mkdir("./54", 0777 [pid 283] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 285] <... mkdir resumed>) = 0 [pid 283] close(3 [pid 1889] <... openat resumed>) = 3 [pid 283] <... close resumed>) = 0 [pid 1889] chdir("./file4" [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 285] <... openat resumed>) = 3 [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 1901 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 1889] <... chdir resumed>) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1901 attached [pid 1901] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1901] chdir("./52") = 0 [pid 1901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1901] setpgid(0, 0) = 0 [pid 1901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 1902 [pid 1901] <... openat resumed>) = 3 [pid 1889] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1901] write(3, "1000", 4) = 4 [pid 1901] close(3) = 0 [pid 1901] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1889] <... openat resumed>) = 4 [pid 1889] ioctl(4, LOOP_CLR_FD [pid 1901] write(1, "executing program\n", 18executing program [pid 1889] <... ioctl resumed>) = 0 [pid 1901] <... write resumed>) = 18 [pid 1901] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1901] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1889] close(4 [pid 1901] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1901] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1901] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 1889] <... close resumed>) = 0 [pid 1901] <... clone3 resumed> => {parent_tid=[1903]}, 88) = 1903 [pid 1901] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1901] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1901] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1889] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 1902 attached [pid 1902] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1902] chdir("./54") = 0 [ 108.686707][ T1877] F2FS-fs (loop3): switch discard_unit option is not allowed [ 108.705515][ T1889] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 108.713627][ T1889] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 1888] <... futex resumed>) = 0 [pid 1889] <... futex resumed>) = 1 [pid 1888] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1889] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1888] <... futex resumed>) = 0 [pid 1902] <... prctl resumed>) = 0 [pid 1888] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1902] setpgid(0, 0) = 0 [pid 1902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1902] write(3, "1000", 4) = 4 [pid 1902] close(3) = 0 [pid 1902] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1902] write(1, "executing program\n", 18) = 18 [pid 1902] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1902] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1902] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1902] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1902] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1904]}, 88) = 1904 [pid 1902] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1902] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1902] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1903 attached [pid 1903] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1903] memfd_create("syzkaller", 0) = 3 [pid 1903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 ./strace-static-x86_64: Process 1904 attached [pid 1904] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1904] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1904] memfd_create("syzkaller", 0) = 3 [pid 1904] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1889] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1889] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1888] <... futex resumed>) = 0 [pid 1889] <... futex resumed>) = 1 [pid 1888] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1889] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1888] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1889] <... symlink resumed>) = 0 [pid 1889] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1888] <... futex resumed>) = 0 [pid 1888] exit_group(0 [pid 1889] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 (errno 18446744073709551414) [pid 1888] <... exit_group resumed>) = ? [pid 1889] +++ exited with 0 +++ [pid 1888] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1888, si_uid=0, si_status=0, si_utime=5, si_stime=20} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 108.747332][ T1889] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 284] umount2("./51/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1896] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./54/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./54/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./54/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./54/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./54/file4") = 0 [pid 286] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./54/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./54") = 0 [pid 286] mkdir("./55", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1905 executing program ./strace-static-x86_64: Process 1905 attached [pid 1905] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1905] chdir("./55") = 0 [pid 1905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1905] setpgid(0, 0) = 0 [pid 1905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1905] write(3, "1000", 4) = 4 [pid 1905] close(3) = 0 [pid 1905] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1905] write(1, "executing program\n", 18) = 18 [pid 1905] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1905] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1905] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1905] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1905] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1906]}, 88) = 1906 [pid 1905] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1905] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1905] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1906 attached [pid 1906] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1906] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1906] memfd_create("syzkaller", 0) = 3 [pid 1906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1904] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./51/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./51/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./51/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./51/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./51/file4") = 0 [pid 284] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./51/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 1903] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] close(3) = 0 [pid 284] rmdir("./51") = 0 [pid 284] mkdir("./52", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1907 ./strace-static-x86_64: Process 1907 attached [pid 1907] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1907] chdir("./52") = 0 [pid 1907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1907] setpgid(0, 0) = 0 [pid 1907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1907] write(3, "1000", 4) = 4 [pid 1907] close(3) = 0 [pid 1907] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1907] write(1, "executing program\n", 18executing program ) = 18 [pid 1907] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1907] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1907] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1907] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1908]}, 88) = 1908 [pid 1907] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1907] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1907] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1896] <... write resumed>) = 20699119 ./strace-static-x86_64: Process 1908 attached [pid 1908] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1908] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1908] memfd_create("syzkaller", 0) = 3 [pid 1908] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1896] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1896] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1896] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1896] close(3) = 0 [pid 1896] close(4) = 0 [pid 1896] mkdir("./file4", 0777) = 0 [ 109.110432][ T1896] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 109.145764][ T1896] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 1896] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1903] <... write resumed>) = 20699119 [pid 1903] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1903] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1903] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1903] close(3) = 0 [pid 1903] close(4 [pid 1904] <... write resumed>) = 20699119 [pid 1904] munmap(0x7fb73baf6000, 138412032) = 0 [ 109.185295][ T1896] F2FS-fs (loop4): fault_injection options not supported [ 109.211895][ T1896] F2FS-fs (loop4): fault_type options not supported [ 109.220358][ T1896] F2FS-fs (loop4): invalid crc value [pid 1904] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1906] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1903] <... close resumed>) = 0 [pid 1904] <... openat resumed>) = 4 [pid 1903] mkdir("./file4", 0777 [pid 1904] ioctl(4, LOOP_SET_FD, 3 [pid 1903] <... mkdir resumed>) = 0 [ 109.240616][ T1896] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 1903] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1904] <... ioctl resumed>) = 0 [pid 1904] close(3) = 0 [pid 1904] close(4) = 0 [pid 1904] mkdir("./file4", 0777 [pid 1896] <... mount resumed>) = 0 [pid 1896] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1896] chdir("./file4") = 0 [pid 1896] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1896] ioctl(4, LOOP_CLR_FD [pid 1904] <... mkdir resumed>) = 0 [pid 1896] <... ioctl resumed>) = 0 [pid 1896] close(4) = 0 [pid 1896] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1893] <... futex resumed>) = 0 [pid 1893] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1893] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1896] <... futex resumed>) = 1 [ 109.285981][ T1896] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 109.303495][ T1896] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 109.312019][ T1903] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 109.319367][ T1903] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [pid 1896] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1904] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1896] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1896] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1893] <... futex resumed>) = 0 [pid 1893] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1893] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1896] <... futex resumed>) = 1 [pid 1896] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1896] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1893] <... futex resumed>) = 0 [pid 1893] exit_group(0) = ? [pid 1896] <... futex resumed>) = ? [pid 1896] +++ exited with 0 +++ [pid 1893] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1893, si_uid=0, si_status=0, si_utime=7, si_stime=22} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 109.329703][ T1896] F2FS-fs (loop4): switch discard_unit option is not allowed [ 109.340944][ T1903] F2FS-fs (loop0): fault_injection options not supported [ 109.361784][ T1903] F2FS-fs (loop0): fault_type options not supported [ 109.364756][ T1904] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [pid 287] umount2("./53/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 109.379633][ T1904] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 109.386806][ T1903] F2FS-fs (loop0): invalid crc value [ 109.406539][ T1904] F2FS-fs (loop2): fault_injection options not supported [ 109.414776][ T1903] F2FS-fs (loop0): Found nat_bits in checkpoint [ 109.424252][ T1904] F2FS-fs (loop2): fault_type options not supported [pid 1908] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1906] <... write resumed>) = 20699119 [pid 1906] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1906] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1906] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1906] close(3) = 0 [ 109.442452][ T1904] F2FS-fs (loop2): invalid crc value [ 109.456823][ T1904] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 1906] close(4 [pid 1903] <... mount resumed>) = 0 [pid 1903] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1903] chdir("./file4") = 0 [pid 1903] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1908] <... write resumed>) = 20699119 [pid 1908] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1908] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1904] <... mount resumed>) = 0 [pid 1904] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1904] chdir("./file4") = 0 [pid 1904] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 287] <... umount2 resumed>) = 0 [pid 1906] <... close resumed>) = 0 [pid 1903] <... openat resumed>) = 4 [pid 1908] <... openat resumed>) = 4 [pid 1906] mkdir("./file4", 0777 [pid 1908] ioctl(4, LOOP_SET_FD, 3 [pid 1904] <... openat resumed>) = 4 [pid 1903] ioctl(4, LOOP_CLR_FD [pid 287] umount2("./53/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1904] ioctl(4, LOOP_CLR_FD [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1906] <... mkdir resumed>) = 0 [pid 287] newfstatat(AT_FDCWD, "./53/file4", [pid 1906] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./53/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./53/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./53/file4") = 0 [pid 287] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./53/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./53") = 0 [pid 287] mkdir("./54", 0777) = 0 [ 109.495798][ T1903] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 109.502883][ T1903] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 109.511188][ T1904] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 109.518582][ T1904] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1908] <... ioctl resumed>) = 0 [pid 1903] <... ioctl resumed>) = 0 [pid 1904] <... ioctl resumed>) = 0 [pid 1903] close(4 [pid 287] <... openat resumed>) = 3 [pid 1908] close(3 [pid 1904] close(4 [pid 1903] <... close resumed>) = 0 [pid 287] ioctl(3, LOOP_CLR_FD [pid 1908] <... close resumed>) = 0 [pid 1904] <... close resumed>) = 0 [pid 1903] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1908] close(4 [pid 1904] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1903] <... futex resumed>) = 1 [pid 1901] <... futex resumed>) = 0 [pid 287] close(3 [pid 1904] <... futex resumed>) = 1 [pid 1903] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1902] <... futex resumed>) = 0 [pid 1901] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... close resumed>) = 0 [pid 1904] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1902] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1901] <... futex resumed>) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1903] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1903] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1903] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program ./strace-static-x86_64: Process 1923 attached [pid 1904] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1902] <... futex resumed>) = 0 [pid 1901] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1902] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 1923 [pid 1901] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1901] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1904] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1902] <... futex resumed>) = 0 [pid 1902] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1902] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1904] <... futex resumed>) = 1 [pid 1904] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1904] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1902] <... futex resumed>) = 0 [pid 1902] exit_group(0) = ? [pid 1904] <... futex resumed>) = ? [pid 1904] +++ exited with 0 +++ [pid 1902] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1902, si_uid=0, si_status=0, si_utime=8, si_stime=18} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 1923] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1923] chdir("./54") = 0 [pid 1923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1923] setpgid(0, 0) = 0 [pid 1923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1923] write(3, "1000", 4) = 4 [pid 1923] close(3) = 0 [pid 1923] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1923] write(1, "executing program\n", 18) = 18 [pid 1923] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1923] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1923] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1923] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1923] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1924]}, 88) = 1924 [pid 1923] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1923] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1923] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1924 attached [pid 1924] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1924] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1924] memfd_create("syzkaller", 0) = 3 [pid 1924] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 285] <... restart_syscall resumed>) = 0 [pid 285] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./54/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1903] <... futex resumed>) = 0 [pid 1903] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1908] <... close resumed>) = 0 [pid 1903] <... symlink resumed>) = 0 [pid 1908] mkdir("./file4", 0777) = 0 [pid 1908] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1903] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1901] <... futex resumed>) = 0 [pid 1903] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1901] exit_group(0 [pid 1903] <... futex resumed>) = ? [pid 1901] <... exit_group resumed>) = ? [pid 1903] +++ exited with 0 +++ [pid 1901] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1901, si_uid=0, si_status=0, si_utime=10, si_stime=15} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 109.592589][ T1903] F2FS-fs (loop0): switch discard_unit option is not allowed [ 109.600162][ T1904] F2FS-fs (loop2): switch discard_unit option is not allowed [ 109.604852][ T1906] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 109.616042][ T1906] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 109.624649][ T1906] F2FS-fs (loop3): fault_injection options not supported [ 109.632119][ T1906] F2FS-fs (loop3): fault_type options not supported [pid 283] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 109.641595][ T1908] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 109.650367][ T283] handle_bad_sector: 35 callbacks suppressed [ 109.650381][ T283] attempt to access beyond end of device [ 109.650381][ T283] loop0: rw=2049, want=45104, limit=40427 [ 109.694671][ T1906] F2FS-fs (loop3): invalid crc value [ 109.698065][ T1908] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 109.708770][ T1908] F2FS-fs (loop1): fault_injection options not supported [ 109.715931][ T1908] F2FS-fs (loop1): fault_type options not supported [ 109.723411][ T1908] F2FS-fs (loop1): invalid crc value [ 109.729619][ T1906] F2FS-fs (loop3): Found nat_bits in checkpoint [ 109.746571][ T1908] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 283] umount2("./52/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1924] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1908] <... mount resumed>) = 0 [pid 1908] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1908] chdir("./file4") = 0 [pid 1908] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1908] ioctl(4, LOOP_CLR_FD) = 0 [pid 1908] close(4) = 0 [pid 1908] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1907] <... futex resumed>) = 0 [pid 1907] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1907] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 109.855011][ T1908] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 109.862261][ T1908] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 1908] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1924] <... write resumed>) = 20699119 [pid 1924] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1924] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1924] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1924] close(3) = 0 [pid 1924] close(4) = 0 [pid 1924] mkdir("./file4", 0777) = 0 [pid 1924] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1908] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1908] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1907] <... futex resumed>) = 0 [pid 1907] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1907] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 109.910943][ T1908] F2FS-fs (loop1): switch discard_unit option is not allowed [ 109.920177][ T1906] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 109.932599][ T1906] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 109.943948][ T1924] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 109.953490][ T1908] attempt to access beyond end of device [pid 1908] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1906] <... mount resumed>) = 0 [pid 1906] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 1908] <... symlink resumed>) = 0 [pid 1906] <... openat resumed>) = 3 [pid 285] <... umount2 resumed>) = 0 [pid 283] <... umount2 resumed>) = 0 [pid 285] umount2("./54/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] umount2("./52/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./54/file4", [pid 283] newfstatat(AT_FDCWD, "./52/file4", [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./54/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] umount2("./52/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./54/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 283] openat(AT_FDCWD, "./52/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 285] <... openat resumed>) = 4 [pid 283] <... openat resumed>) = 4 [pid 285] newfstatat(4, "", [pid 283] newfstatat(4, "", [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, [pid 283] getdents64(4, [pid 285] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, [pid 283] getdents64(4, [pid 285] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4 [pid 283] close(4 [pid 285] <... close resumed>) = 0 [pid 283] <... close resumed>) = 0 [pid 285] rmdir("./54/file4" [pid 283] rmdir("./52/file4" [pid 285] <... rmdir resumed>) = 0 [pid 283] <... rmdir resumed>) = 0 [pid 285] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./54/binderfs", [pid 283] newfstatat(AT_FDCWD, "./52/binderfs", [pid 285] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./54/binderfs" [pid 283] unlink("./52/binderfs" [pid 285] <... unlink resumed>) = 0 [pid 283] <... unlink resumed>) = 0 [pid 285] getdents64(3, [pid 283] getdents64(3, [pid 285] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3 [pid 283] close(3 [pid 285] <... close resumed>) = 0 [pid 283] <... close resumed>) = 0 [pid 285] rmdir("./54" [pid 283] rmdir("./52" [pid 285] <... rmdir resumed>) = 0 [pid 283] <... rmdir resumed>) = 0 [pid 285] mkdir("./55", 0777 [pid 283] mkdir("./53", 0777 [pid 285] <... mkdir resumed>) = 0 [pid 283] <... mkdir resumed>) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 285] <... openat resumed>) = 3 [pid 283] <... openat resumed>) = 3 [pid 285] ioctl(3, LOOP_CLR_FD [pid 283] ioctl(3, LOOP_CLR_FD [pid 285] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 283] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 285] close(3 [pid 283] close(3 [pid 285] <... close resumed>) = 0 [pid 283] <... close resumed>) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 1933 [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 1932 [pid 1908] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1907] <... futex resumed>) = 0 [pid 1907] exit_group(0) = ? [pid 1908] <... futex resumed>) = ? [pid 1906] chdir("./file4") = 0 [pid 1906] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1906] ioctl(4, LOOP_CLR_FD) = 0 [pid 1908] +++ exited with 0 +++ [pid 1907] +++ exited with 0 +++ [pid 1906] close(4) = 0 [pid 1906] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1906] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1905] <... futex resumed>) = 0 ./strace-static-x86_64: Process 1932 attached [pid 1932] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1932] chdir("./53") = 0 [pid 1932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1905] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1907, si_uid=0, si_status=0, si_utime=10, si_stime=17} --- [pid 1905] <... futex resumed>) = 1 [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 1906] <... futex resumed>) = 0 [pid 1906] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1905] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 1933 attached [pid 1906] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 284] <... restart_syscall resumed>) = 0 [pid 284] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 109.953490][ T1908] loop1: rw=2049, want=53256, limit=40427 [ 109.966144][ T1924] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 109.974435][ T1924] F2FS-fs (loop4): fault_injection options not supported [ 109.982374][ T1924] F2FS-fs (loop4): fault_type options not supported [ 109.991880][ T1924] F2FS-fs (loop4): invalid crc value [ 109.998197][ T1906] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 284] umount2("./52/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1932] <... prctl resumed>) = 0 [pid 1933] set_robust_list(0x55557d22a6a0, 24 [pid 1906] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1932] setpgid(0, 0) = 0 [pid 1932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1932] write(3, "1000", 4) = 4 [pid 1932] close(3) = 0 [pid 1932] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1932] write(1, "executing program\n", 18) = 18 [pid 1932] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1932] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1932] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1932] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1932] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1936]}, 88) = 1936 [pid 1932] rt_sigprocmask(SIG_SETMASK, [], [pid 1933] <... set_robust_list resumed>) = 0 [pid 1932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1906] <... futex resumed>) = 1 [pid 1905] <... futex resumed>) = 0 [pid 1905] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1933] chdir("./55" [pid 1906] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1933] <... chdir resumed>) = 0 [pid 1905] <... futex resumed>) = 0 [pid 1905] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1932] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1932] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1936 attached [pid 1936] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1936] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1936] memfd_create("syzkaller", 0) = 3 [pid 1936] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1933] setpgid(0, 0) = 0 [pid 1933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1933] write(3, "1000", 4) = 4 [pid 1933] close(3) = 0 [pid 1933] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1933] write(1, "executing program\n", 18) = 18 [pid 1933] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1933] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1933] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1933] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1933] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1937]}, 88) = 1937 [pid 1933] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1933] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1933] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1937 attached [pid 1937] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1937] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1937] memfd_create("syzkaller", 0) = 3 [pid 1937] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1906] <... symlink resumed>) = 0 [pid 1906] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1905] <... futex resumed>) = 0 [pid 1905] exit_group(0) = ? [pid 1906] <... futex resumed>) = ? [pid 1906] +++ exited with 0 +++ [pid 1905] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1905, si_uid=0, si_status=0, si_utime=9, si_stime=23} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 110.009333][ T284] attempt to access beyond end of device [ 110.009333][ T284] loop1: rw=2049, want=45104, limit=40427 [ 110.014779][ T1924] F2FS-fs (loop4): Found nat_bits in checkpoint [ 110.028666][ T1906] attempt to access beyond end of device [ 110.028666][ T1906] loop3: rw=2049, want=53256, limit=40427 [pid 286] umount2("./55/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1924] <... mount resumed>) = 0 [pid 1924] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1924] chdir("./file4") = 0 [pid 1924] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1924] ioctl(4, LOOP_CLR_FD) = 0 [pid 1924] close(4) = 0 [ 110.076452][ T286] attempt to access beyond end of device [ 110.076452][ T286] loop3: rw=2049, want=45104, limit=40427 [ 110.095954][ T1924] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 110.103035][ T1924] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 1924] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1923] <... futex resumed>) = 0 [pid 1924] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1923] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1923] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1924] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1924] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1923] <... futex resumed>) = 0 [pid 1923] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1923] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1924] <... futex resumed>) = 1 [pid 1924] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1923] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 1924] <... symlink resumed>) = 0 [pid 1924] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1924] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1923] exit_group(0) = ? [pid 1924] <... futex resumed>) = ? [pid 1924] +++ exited with 0 +++ [pid 1923] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1923, si_uid=0, si_status=0, si_utime=10, si_stime=18} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 110.136349][ T1924] F2FS-fs (loop4): switch discard_unit option is not allowed [ 110.156963][ T1924] attempt to access beyond end of device [ 110.156963][ T1924] loop4: rw=2049, want=53256, limit=40427 [pid 287] umount2("./54/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 110.211831][ T287] attempt to access beyond end of device [ 110.211831][ T287] loop4: rw=2049, want=45104, limit=40427 [pid 1936] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./52/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./52/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./52/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./52/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./52/file4") = 0 [pid 284] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./52/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./52") = 0 [pid 284] mkdir("./53", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1939 attached , child_tidptr=0x55557d22a690) = 1939 [pid 1937] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1939] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1939] chdir("./53") = 0 [pid 1939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1939] setpgid(0, 0) = 0 [pid 1939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1939] write(3, "1000", 4) = 4 [pid 1939] close(3) = 0 [pid 1939] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1939] write(1, "executing program\n", 18) = 18 [pid 1939] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1939] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1939] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1939] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1939] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1940]}, 88) = 1940 [pid 1939] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1939] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1939] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 286] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 1940 attached [pid 286] umount2("./55/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1940] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1940] rt_sigprocmask(SIG_SETMASK, [], [pid 286] newfstatat(AT_FDCWD, "./55/file4", [pid 1940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1940] memfd_create("syzkaller", 0 [pid 286] umount2("./55/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1940] <... memfd_create resumed>) = 3 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1940] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 286] openat(AT_FDCWD, "./55/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1940] <... mmap resumed>) = 0x7fb73baf6000 [pid 286] <... openat resumed>) = 4 [pid 1936] <... write resumed>) = 20699119 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, [pid 1936] munmap(0x7fb73baf6000, 138412032 [pid 286] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./55/file4") = 0 [pid 286] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./55/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./55") = 0 [pid 286] mkdir("./56", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1941 [pid 1936] <... munmap resumed>) = 0 [pid 1936] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1936] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 1941 attached [pid 1941] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1941] chdir("./56") = 0 [pid 1941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1936] <... ioctl resumed>) = 0 [pid 1936] close(3) = 0 [pid 1936] close(4) = 0 [pid 1936] mkdir("./file4", 0777) = 0 [pid 1936] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1941] <... prctl resumed>) = 0 [pid 1941] setpgid(0, 0) = 0 [pid 1941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1941] write(3, "1000", 4) = 4 [pid 1941] close(3) = 0 [pid 1941] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1941] write(1, "executing program\n", 18executing program ) = 18 [pid 1941] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1941] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1941] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1941] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1941] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1941] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1943]}, 88) = 1943 [pid 1941] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1941] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1941] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1943 attached [pid 1943] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1943] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1943] memfd_create("syzkaller", 0) = 3 [pid 1943] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1937] <... write resumed>) = 20699119 [ 110.412763][ T1936] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 110.444320][ T1936] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [pid 1937] munmap(0x7fb73baf6000, 138412032) = 0 [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./54/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./54/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./54/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./54/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./54/file4") = 0 [pid 287] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./54/binderfs" [pid 1937] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1937] ioctl(4, LOOP_SET_FD, 3 [pid 287] <... unlink resumed>) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./54") = 0 [pid 287] mkdir("./55", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1937] <... ioctl resumed>) = 0 [pid 287] <... openat resumed>) = 3 [pid 1937] close(3 [pid 287] ioctl(3, LOOP_CLR_FD [pid 1937] <... close resumed>) = 0 [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1937] close(4 [pid 287] close(3 [pid 1937] <... close resumed>) = 0 [pid 1937] mkdir("./file4", 0777 [pid 287] <... close resumed>) = 0 [pid 1937] <... mkdir resumed>) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1937] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 1947 ./strace-static-x86_64: Process 1947 attached [pid 1947] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1947] chdir("./55") = 0 [pid 1947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 110.479028][ T1936] F2FS-fs (loop0): fault_injection options not supported [ 110.486421][ T1936] F2FS-fs (loop0): fault_type options not supported [ 110.495272][ T1936] F2FS-fs (loop0): invalid crc value [ 110.513191][ T1937] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 110.521795][ T1936] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1947] setpgid(0, 0) = 0 [pid 1947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1947] write(3, "1000", 4) = 4 [pid 1947] close(3) = 0 [pid 1947] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1947] write(1, "executing program\n", 18executing program ) = 18 [pid 1947] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1947] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1947] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1947] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1947] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1948]}, 88) = 1948 ./strace-static-x86_64: Process 1948 attached [pid 1948] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1948] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1948] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1947] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1947] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1948] <... futex resumed>) = 0 [pid 1948] memfd_create("syzkaller", 0 [pid 1947] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1948] <... memfd_create resumed>) = 3 [pid 1948] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 110.532563][ T1937] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 110.585810][ T1937] F2FS-fs (loop2): fault_injection options not supported [ 110.592898][ T1937] F2FS-fs (loop2): fault_type options not supported [pid 1940] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 1940] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1940] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1940] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1940] close(3) = 0 [pid 1940] close(4) = 0 [pid 1940] mkdir("./file4", 0777) = 0 [ 110.651876][ T1937] F2FS-fs (loop2): invalid crc value [ 110.662562][ T1940] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 110.670515][ T1937] F2FS-fs (loop2): Found nat_bits in checkpoint [ 110.681346][ T1940] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 110.691272][ T1940] F2FS-fs (loop1): fault_injection options not supported [pid 1940] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1936] <... mount resumed>) = 0 [ 110.698646][ T1940] F2FS-fs (loop1): fault_type options not supported [ 110.705284][ T1936] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 110.713728][ T1940] F2FS-fs (loop1): invalid crc value [ 110.719221][ T1936] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 1936] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1936] chdir("./file4") = 0 [pid 1936] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1936] ioctl(4, LOOP_CLR_FD) = 0 [pid 1936] close(4) = 0 [pid 1936] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1932] <... futex resumed>) = 0 [pid 1932] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1936] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1932] <... futex resumed>) = 0 [pid 1932] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1936] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1936] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1932] <... futex resumed>) = 0 [pid 1932] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1932] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 110.746670][ T1940] F2FS-fs (loop1): Found nat_bits in checkpoint [ 110.767186][ T1936] F2FS-fs (loop0): switch discard_unit option is not allowed [ 110.787016][ T1936] attempt to access beyond end of device [pid 1936] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1940] <... mount resumed>) = 0 [pid 1940] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1940] chdir("./file4") = 0 [pid 1940] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 1940] ioctl(4, LOOP_CLR_FD) = 0 [pid 1940] close(4) = 0 [pid 1940] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1940] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1937] <... mount resumed>) = 0 [pid 1937] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1937] chdir("./file4") = 0 [pid 1937] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1937] ioctl(4, LOOP_CLR_FD) = 0 [pid 1937] close(4) = 0 [pid 1937] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1933] <... futex resumed>) = 0 [pid 1933] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1933] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1937] <... futex resumed>) = 1 [ 110.787016][ T1936] loop0: rw=2049, want=53256, limit=40427 [ 110.801068][ T1940] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 110.808295][ T1940] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 110.816482][ T1937] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 110.823526][ T1937] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 110.833172][ T1937] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 1937] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1939] <... futex resumed>) = 0 [pid 1936] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1939] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1936] <... futex resumed>) = 1 [pid 1932] <... futex resumed>) = 0 [pid 1940] <... futex resumed>) = 0 [pid 1939] <... futex resumed>) = 1 [pid 1936] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1932] exit_group(0 [pid 1940] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1939] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1936] <... futex resumed>) = ? [pid 1932] <... exit_group resumed>) = ? [pid 1937] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1936] +++ exited with 0 +++ [pid 1932] +++ exited with 0 +++ [pid 1937] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1933] <... futex resumed>) = 0 [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1932, si_uid=0, si_status=0, si_utime=7, si_stime=21} --- [pid 1937] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1933] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1933] <... futex resumed>) = 0 [pid 1937] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1933] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 283] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./53/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1937] <... symlink resumed>) = 0 [pid 1937] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1948] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1937] <... futex resumed>) = 1 [pid 1933] <... futex resumed>) = 0 [pid 1940] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1940] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1937] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1933] exit_group(0 [pid 1940] <... futex resumed>) = 1 [pid 1937] <... futex resumed>) = ? [pid 1940] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1933] <... exit_group resumed>) = ? [pid 1937] +++ exited with 0 +++ [pid 1939] <... futex resumed>) = 0 [pid 1939] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1939] <... futex resumed>) = 0 [pid 1933] +++ exited with 0 +++ [pid 1940] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1939] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1933, si_uid=0, si_status=0, si_utime=8, si_stime=20} --- [pid 1940] <... symlink resumed>) = 0 [pid 1940] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 1940] <... futex resumed>) = 1 [pid 1940] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1939] <... futex resumed>) = 0 [pid 1939] exit_group(0 [pid 1940] <... futex resumed>) = ? [pid 1939] <... exit_group resumed>) = ? [pid 285] <... restart_syscall resumed>) = 0 [pid 1940] +++ exited with 0 +++ [pid 1939] +++ exited with 0 +++ [pid 285] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1939, si_uid=0, si_status=0, si_utime=7, si_stime=17} --- [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 284] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] <... openat resumed>) = 3 [pid 284] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 285] newfstatat(3, "", [pid 284] <... openat resumed>) = 3 [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] newfstatat(3, "", [pid 285] getdents64(3, [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] getdents64(3, [pid 285] umount2("./55/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./53/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 110.837035][ T1940] F2FS-fs (loop1): switch discard_unit option is not allowed [ 110.850054][ T1937] attempt to access beyond end of device [ 110.850054][ T1937] loop2: rw=2049, want=53256, limit=40427 [ 110.866023][ T283] attempt to access beyond end of device [ 110.866023][ T283] loop0: rw=2049, want=45104, limit=40427 [pid 1943] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1948] <... write resumed>) = 20699119 [pid 1948] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1948] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1943] <... write resumed>) = 20699119 [pid 1943] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1943] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./53/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./53/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./53/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./53/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./53/file4") = 0 [pid 284] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./53/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./53") = 0 [pid 284] mkdir("./54", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1948] <... openat resumed>) = 4 [pid 1943] <... openat resumed>) = 4 [pid 284] <... openat resumed>) = 3 [pid 1948] ioctl(4, LOOP_SET_FD, 3 [pid 1943] ioctl(4, LOOP_SET_FD, 3 [pid 284] ioctl(3, LOOP_CLR_FD [pid 1948] <... ioctl resumed>) = 0 [pid 1948] close(3) = 0 [pid 1948] close(4 [pid 1943] <... ioctl resumed>) = 0 [pid 284] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 1948] <... close resumed>) = 0 [pid 284] close(3 [pid 1948] mkdir("./file4", 0777 [pid 1943] close(3 [pid 284] <... close resumed>) = 0 [pid 1948] <... mkdir resumed>) = 0 [pid 1943] <... close resumed>) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1948] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1943] close(4) = 0 [pid 284] <... clone resumed>, child_tidptr=0x55557d22a690) = 1959 [pid 1943] mkdir("./file4", 0777) = 0 [pid 1943] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"..../strace-static-x86_64: Process 1959 attached [pid 1959] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1959] chdir("./54") = 0 [pid 1959] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1959] setpgid(0, 0) = 0 [pid 1959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1959] write(3, "1000", 4) = 4 [pid 1959] close(3) = 0 [pid 1959] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1959] write(1, "executing program\n", 18executing program ) = 18 [pid 1959] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1959] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1959] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1959] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1959] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1959] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1960]}, 88) = 1960 [pid 1959] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1959] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 111.102784][ T1948] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 111.110560][ T1943] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [pid 1959] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./55/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1960 attached [pid 1960] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1960] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1960] memfd_create("syzkaller", 0) = 3 [pid 1960] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./55/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./55/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./55/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./55/file4") = 0 [pid 285] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./55/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./55") = 0 [pid 285] mkdir("./56", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1961 [ 111.143045][ T1948] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 111.145307][ T1943] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 111.151842][ T1948] F2FS-fs (loop4): fault_injection options not supported [ 111.167075][ T1948] F2FS-fs (loop4): fault_type options not supported [ 111.176008][ T1943] F2FS-fs (loop3): fault_injection options not supported [ 111.183436][ T1943] F2FS-fs (loop3): fault_type options not supported ./strace-static-x86_64: Process 1961 attached [pid 1961] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1961] chdir("./56") = 0 [pid 1961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1961] setpgid(0, 0) = 0 [pid 1961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1961] write(3, "1000", 4) = 4 [pid 1961] close(3) = 0 [pid 1961] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1961] write(1, "executing program\n", 18) = 18 [pid 1961] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1961] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1961] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1961] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1961] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1961] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1962]}, 88) = 1962 [pid 1961] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1961] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1961] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1962 attached [pid 1962] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1962] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1962] memfd_create("syzkaller", 0) = 3 [pid 1962] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./53/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./53/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./53/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./53/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./53/file4") = 0 [pid 283] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./53/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./53") = 0 [pid 283] mkdir("./54", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [ 111.196831][ T1948] F2FS-fs (loop4): invalid crc value [ 111.202633][ T1943] F2FS-fs (loop3): invalid crc value [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1967 ./strace-static-x86_64: Process 1967 attached [pid 1967] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1967] chdir("./54") = 0 [pid 1967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1967] setpgid(0, 0) = 0 [pid 1967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1967] write(3, "1000", 4) = 4 [pid 1967] close(3) = 0 [pid 1967] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1967] write(1, "executing program\n", 18) = 18 [pid 1967] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1967] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1967] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1967] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1967] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1968]}, 88) = 1968 [pid 1967] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1967] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1967] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1968 attached [pid 1968] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1968] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1968] memfd_create("syzkaller", 0) = 3 [pid 1968] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 111.258268][ T1948] F2FS-fs (loop4): Found nat_bits in checkpoint [ 111.265891][ T1943] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 1960] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1948] <... mount resumed>) = 0 [pid 1948] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1948] chdir("./file4") = 0 [pid 1948] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1948] ioctl(4, LOOP_CLR_FD) = 0 [pid 1948] close(4) = 0 [pid 1948] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1947] <... futex resumed>) = 0 [ 111.365290][ T1948] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 111.375365][ T1948] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 111.392083][ T1943] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 111.405762][ T1943] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 1947] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1948] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1947] <... futex resumed>) = 0 [pid 1947] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1948] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1948] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1947] <... futex resumed>) = 0 [pid 1947] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1948] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1947] <... futex resumed>) = 0 [pid 1947] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1948] <... symlink resumed>) = 0 [pid 1948] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1947] <... futex resumed>) = 0 [pid 1943] <... mount resumed>) = 0 [pid 1948] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1947] exit_group(0 [pid 1943] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1948] <... futex resumed>) = ? [pid 1947] <... exit_group resumed>) = ? [pid 1948] +++ exited with 0 +++ [pid 1947] +++ exited with 0 +++ [pid 1943] chdir("./file4" [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1947, si_uid=0, si_status=0, si_utime=6, si_stime=25} --- [pid 1943] <... chdir resumed>) = 0 [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 1943] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1943] ioctl(4, LOOP_CLR_FD) = 0 [pid 1943] close(4) = 0 [pid 1943] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1941] <... futex resumed>) = 0 [pid 1941] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1941] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1943] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 287] <... restart_syscall resumed>) = 0 [pid 287] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./55/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1943] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1943] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1941] <... futex resumed>) = 0 [pid 1941] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1941] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1943] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1943] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1941] <... futex resumed>) = 0 [pid 1941] exit_group(0) = ? [pid 1943] +++ exited with 0 +++ [pid 1941] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1941, si_uid=0, si_status=0, si_utime=13, si_stime=17} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 111.414304][ T1948] F2FS-fs (loop4): switch discard_unit option is not allowed [ 111.452278][ T1943] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 286] umount2("./56/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1960] <... write resumed>) = 20699119 [pid 1968] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1960] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1960] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1962] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1960] <... openat resumed>) = 4 [pid 1960] ioctl(4, LOOP_SET_FD, 3 [pid 1968] <... write resumed>) = 20699119 [pid 1968] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1968] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1960] <... ioctl resumed>) = 0 [pid 1968] <... openat resumed>) = 4 [pid 1968] ioctl(4, LOOP_SET_FD, 3 [pid 1960] close(3) = 0 [pid 1960] close(4 [pid 1968] <... ioctl resumed>) = 0 [pid 1960] <... close resumed>) = 0 [pid 1960] mkdir("./file4", 0777) = 0 [pid 1968] close(3) = 0 [pid 1968] close(4) = 0 [pid 1960] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1968] mkdir("./file4", 0777 [pid 1962] <... write resumed>) = 20699119 [pid 1962] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1962] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1962] ioctl(4, LOOP_SET_FD, 3 [pid 1968] <... mkdir resumed>) = 0 [pid 1968] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1962] <... ioctl resumed>) = 0 [pid 1962] close(3) = 0 [pid 1962] close(4) = 0 [pid 1962] mkdir("./file4", 0777) = 0 [pid 1962] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./55/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./55/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./55/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./55/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./55/file4") = 0 [pid 287] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./55/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./55") = 0 [pid 287] mkdir("./56", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x55557d22a690) = 1974 ./strace-static-x86_64: Process 1974 attached [pid 1974] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1974] chdir("./56") = 0 [pid 1974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1974] setpgid(0, 0) = 0 [pid 1974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1974] write(3, "1000", 4) = 4 [pid 1974] close(3) = 0 [pid 1974] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1974] write(1, "executing program\n", 18) = 18 [pid 1974] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1974] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1974] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1974] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [ 111.661628][ T1960] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 111.671844][ T1968] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 111.674510][ T1962] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 111.685779][ T1960] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [pid 1974] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1975]}, 88) = 1975 [pid 1974] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1974] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1974] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1975 attached [pid 1975] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1975] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1975] memfd_create("syzkaller", 0) = 3 [pid 1975] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 111.713754][ T1968] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 111.727403][ T1960] F2FS-fs (loop1): fault_injection options not supported [ 111.734573][ T1960] F2FS-fs (loop1): fault_type options not supported [ 111.755926][ T1962] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 111.764205][ T1962] F2FS-fs (loop2): fault_injection options not supported [ 111.771664][ T1968] F2FS-fs (loop0): fault_injection options not supported [ 111.786488][ T1968] F2FS-fs (loop0): fault_type options not supported [ 111.796034][ T1960] F2FS-fs (loop1): invalid crc value [pid 1975] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./56/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./56/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./56/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./56/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./56/file4") = 0 [pid 286] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./56/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./56") = 0 [pid 286] mkdir("./57", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1982 [ 111.815997][ T1962] F2FS-fs (loop2): fault_type options not supported [ 111.823840][ T1968] F2FS-fs (loop0): invalid crc value [ 111.829371][ T1960] F2FS-fs (loop1): Found nat_bits in checkpoint [ 111.848020][ T1962] F2FS-fs (loop2): invalid crc value ./strace-static-x86_64: Process 1982 attached [pid 1982] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1982] chdir("./57") = 0 [pid 1982] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1982] setpgid(0, 0) = 0 [pid 1982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 1982] write(3, "1000", 4) = 4 [pid 1982] close(3) = 0 [pid 1982] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1982] write(1, "executing program\n", 18) = 18 [pid 1982] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1982] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1982] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1982] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1982] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1982] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1982] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1983]}, 88) = 1983 [pid 1982] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1982] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1982] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1983 attached [pid 1983] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1983] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1983] memfd_create("syzkaller", 0) = 3 [pid 1983] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1975] <... write resumed>) = 20699119 [pid 1975] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1975] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 1975] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1975] close(3) = 0 [ 111.877489][ T1962] F2FS-fs (loop2): Found nat_bits in checkpoint [ 111.888452][ T1968] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 1975] close(4 [pid 1960] <... mount resumed>) = 0 [pid 1975] <... close resumed>) = 0 [pid 1975] mkdir("./file4", 0777) = 0 [pid 1975] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1960] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1960] chdir("./file4") = 0 [ 111.945991][ T1960] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 111.955764][ T1960] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 111.981043][ T1962] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 111.988907][ T1968] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [pid 1960] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1968] <... mount resumed>) = 0 [pid 1968] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1968] chdir("./file4") = 0 [pid 1968] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 1960] <... openat resumed>) = 4 [pid 1968] <... openat resumed>) = 4 [pid 1968] ioctl(4, LOOP_CLR_FD [pid 1960] ioctl(4, LOOP_CLR_FD [pid 1962] <... mount resumed>) = 0 [pid 1968] <... ioctl resumed>) = 0 [pid 1960] <... ioctl resumed>) = 0 [pid 1968] close(4 [pid 1962] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1962] chdir("./file4") = 0 [pid 1962] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1962] ioctl(4, LOOP_CLR_FD) = 0 [pid 1962] close(4) = 0 [pid 1962] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1961] <... futex resumed>) = 0 [pid 1961] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1961] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1962] <... futex resumed>) = 1 [pid 1962] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1968] <... close resumed>) = 0 [pid 1960] close(4 [pid 1962] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1962] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1961] <... futex resumed>) = 0 [pid 1961] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1961] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1962] <... futex resumed>) = 1 [pid 1962] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1960] <... close resumed>) = 0 [pid 1968] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1960] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1962] <... symlink resumed>) = 0 [pid 1962] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1961] <... futex resumed>) = 0 [pid 1961] exit_group(0) = ? [pid 1962] <... futex resumed>) = ? [pid 1967] <... futex resumed>) = 0 [pid 1968] <... futex resumed>) = 1 [pid 1967] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1960] <... futex resumed>) = 1 [pid 1959] <... futex resumed>) = 0 [pid 1967] <... futex resumed>) = 0 [ 111.995991][ T1968] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 111.998567][ T1962] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 112.016657][ T1975] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 112.023644][ T1975] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 112.033618][ T1962] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 1967] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1968] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1960] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1959] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1962] +++ exited with 0 +++ [pid 1961] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1961, si_uid=0, si_status=0, si_utime=10, si_stime=20} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 1959] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 285] <... restart_syscall resumed>) = 0 [pid 285] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./56/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1960] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1960] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1959] <... futex resumed>) = 0 [pid 1959] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1959] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1960] <... futex resumed>) = 1 [pid 1960] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1960] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1959] <... futex resumed>) = 0 [pid 1959] exit_group(0) = ? [pid 1960] <... futex resumed>) = ? [pid 1960] +++ exited with 0 +++ [pid 1959] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1959, si_uid=0, si_status=0, si_utime=7, si_stime=15} --- [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 1967] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 284] <... restart_syscall resumed>) = 0 [pid 1967] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ed5000 [pid 1967] mprotect(0x7fb743ed6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1967] rt_sigprocmask(SIG_BLOCK, ~[], [pid 284] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1983] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1967] <... rt_sigprocmask resumed>[], 8) = 0 [pid 1968] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./54/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1968] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [ 112.044299][ T1960] F2FS-fs (loop1): switch discard_unit option is not allowed [ 112.044876][ T1975] F2FS-fs (loop4): fault_injection options not supported [ 112.052701][ T1968] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 1967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743ef5990, parent_tid=0x7fb743ef5990, exit_signal=0, stack=0x7fb743ed5000, stack_size=0x20300, tls=0x7fb743ef56c0} [pid 1968] <... futex resumed>) = 0 [pid 1968] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1967] <... clone3 resumed> => {parent_tid=[1988]}, 88) = 1988 [pid 1967] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1967] futex(0x7fb743fe76b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1967] futex(0x7fb743fe76bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 1988 attached [pid 1988] set_robust_list(0x7fb743ef59a0, 24) = 0 [pid 1988] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1988] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1988] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1967] <... futex resumed>) = 0 [pid 1967] exit_group(0 [pid 1968] <... futex resumed>) = ? [pid 1967] <... exit_group resumed>) = ? [pid 1968] +++ exited with 0 +++ [pid 1988] +++ exited with 0 +++ [pid 1967] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1967, si_uid=0, si_status=0, si_utime=8, si_stime=18} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 112.097041][ T1975] F2FS-fs (loop4): fault_type options not supported [ 112.124217][ T1975] F2FS-fs (loop4): invalid crc value [ 112.163215][ T1975] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 283] umount2("./54/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1983] <... write resumed>) = 20699119 [pid 1983] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1983] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 1975] <... mount resumed>) = 0 [pid 1975] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1975] chdir("./file4") = 0 [pid 1975] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./56/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./56/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./56/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./56/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./56/file4") = 0 [pid 285] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./56/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./56") = 0 [pid 285] mkdir("./57", 0777) = 0 [ 112.221272][ T1975] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 112.228583][ T1975] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 1983] <... openat resumed>) = 4 [pid 1983] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1983] close(3) = 0 [pid 1983] close(4 [pid 285] <... openat resumed>) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1993 [pid 1975] <... openat resumed>) = 4 [pid 1975] ioctl(4, LOOP_CLR_FD) = 0 [pid 1975] close(4) = 0 [pid 1975] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1974] <... futex resumed>) = 0 [pid 1974] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1974] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1975] <... futex resumed>) = 1 [pid 1975] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1975] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1974] <... futex resumed>) = 0 [pid 1974] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1975] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1974] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1975] <... symlink resumed>) = 0 [pid 1975] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1974] <... futex resumed>) = 0 [pid 1975] <... futex resumed>) = 1 [pid 1975] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1974] exit_group(0) = ? [pid 1975] <... futex resumed>) = ? [pid 1975] +++ exited with 0 +++ [pid 1974] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1974, si_uid=0, si_status=0, si_utime=8, si_stime=20} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 1993 attached [pid 1993] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1993] chdir("./57" [pid 287] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1993] <... chdir resumed>) = 0 [pid 1993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1993] setpgid(0, 0) = 0 [pid 1993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 1993] <... openat resumed>) = 3 [pid 287] newfstatat(3, "", [pid 1993] write(3, "1000", 4) = 4 [pid 1993] close(3) = 0 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1993] symlink("/dev/binderfs", "./binderfs" [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./56/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1993] <... symlink resumed>) = 0 executing program [pid 1993] write(1, "executing program\n", 18) = 18 [pid 1993] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1993] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1993] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1993] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1993] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1993] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1994]}, 88) = 1994 [pid 1993] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1993] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1993] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 1994 attached [pid 1994] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1994] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1994] memfd_create("syzkaller", 0) = 3 [pid 1994] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./54/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 112.319489][ T1975] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 283] newfstatat(AT_FDCWD, "./54/file4", [pid 1983] <... close resumed>) = 0 [pid 1983] mkdir("./file4", 0777) = 0 [pid 1983] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./54/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./54/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./54/file4") = 0 [pid 283] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./54/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./54") = 0 [pid 283] mkdir("./55", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] <... umount2 resumed>) = 0 [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 284] umount2("./54/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 1995 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./54/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./54/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./54/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./54/file4") = 0 [pid 284] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./54/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./54"./strace-static-x86_64: Process 1995 attached ) = 0 [pid 284] mkdir("./55", 0777 [pid 1995] set_robust_list(0x55557d22a6a0, 24 [pid 284] <... mkdir resumed>) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1995] <... set_robust_list resumed>) = 0 [pid 1995] chdir("./55") = 0 [pid 1995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1995] setpgid(0, 0) = 0 [pid 1995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1995] write(3, "1000", 4) = 4 [pid 1995] close(3) = 0 [pid 1995] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1995] write(1, "executing program\n", 18executing program ) = 18 [pid 1995] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1995] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1995] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1995] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1995] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1996]}, 88) = 1996 [pid 1995] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1995] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 1996 attached [pid 1996] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 1996] rt_sigprocmask(SIG_SETMASK, [], [pid 1995] <... futex resumed>) = 0 [pid 1996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1995] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1996] memfd_create("syzkaller", 0) = 3 [pid 1996] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 284] <... openat resumed>) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 1997 ./strace-static-x86_64: Process 1997 attached [pid 1997] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 1997] chdir("./55") = 0 [pid 1997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1997] setpgid(0, 0) = 0 [pid 1997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1997] write(3, "1000", 4) = 4 [pid 1997] close(3) = 0 [pid 1997] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1997] write(1, "executing program\n", 18executing program ) = 18 [pid 1997] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1997] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 1997] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 1997] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [ 112.421168][ T1983] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 112.441928][ T1983] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 112.461124][ T1983] F2FS-fs (loop3): fault_injection options not supported [pid 1997] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1997] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[1998]}, 88) = 1998 [pid 1997] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 1998 attached [pid 1997] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1998] set_robust_list(0x7fb743f169a0, 24 [pid 1997] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1998] <... set_robust_list resumed>) = 0 [pid 1998] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1998] memfd_create("syzkaller", 0) = 3 [pid 1998] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 112.475967][ T1983] F2FS-fs (loop3): fault_type options not supported [ 112.542624][ T1983] F2FS-fs (loop3): invalid crc value [pid 1994] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./56/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./56/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./56/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./56/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./56/file4") = 0 [pid 287] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./56/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./56") = 0 [pid 287] mkdir("./57", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 112.583760][ T1983] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2001 ./strace-static-x86_64: Process 2001 attached [pid 2001] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2001] chdir("./57") = 0 [pid 2001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2001] setpgid(0, 0) = 0 [pid 2001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2001] write(3, "1000", 4) = 4 [pid 2001] close(3) = 0 [pid 2001] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2001] write(1, "executing program\n", 18executing program ) = 18 [pid 2001] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2001] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2001] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2001] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2001] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2001] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2002]}, 88) = 2002 [pid 2001] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2001] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2001] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 1994] <... write resumed>) = 20699119 [pid 1994] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1994] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1994] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 2002 attached [pid 2002] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2002] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2002] memfd_create("syzkaller", 0) = 3 [pid 2002] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 1994] <... ioctl resumed>) = 0 [pid 1994] close(3) = 0 [pid 1994] close(4) = 0 [pid 1994] mkdir("./file4", 0777) = 0 [pid 1994] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1983] <... mount resumed>) = 0 [pid 1983] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1983] chdir("./file4") = 0 [pid 1983] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 1983] ioctl(4, LOOP_CLR_FD) = 0 [pid 1983] close(4) = 0 [pid 1983] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 112.691229][ T1994] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 112.706023][ T1983] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 112.713288][ T1994] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 112.715764][ T1983] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 1983] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1982] <... futex resumed>) = 0 [pid 1982] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1982] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1983] <... futex resumed>) = 0 [pid 1983] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1983] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1983] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1982] <... futex resumed>) = 0 [pid 1982] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1982] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1983] <... futex resumed>) = 0 [pid 1983] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1983] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1983] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1982] <... futex resumed>) = 0 [pid 1982] exit_group(0 [pid 1983] <... futex resumed>) = ? [pid 1982] <... exit_group resumed>) = ? [pid 1983] +++ exited with 0 +++ [pid 1982] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1982, si_uid=0, si_status=0, si_utime=8, si_stime=23} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./57/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1998] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [ 112.746214][ T1994] F2FS-fs (loop2): fault_injection options not supported [ 112.754714][ T1983] F2FS-fs (loop3): switch discard_unit option is not allowed [ 112.762783][ T1994] F2FS-fs (loop2): fault_type options not supported [ 112.773942][ T1994] F2FS-fs (loop2): invalid crc value [ 112.808970][ T1994] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 1996] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 1996] munmap(0x7fb73baf6000, 138412032) = 0 [pid 1996] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1996] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 1996] close(3) = 0 [pid 1996] close(4) = 0 [pid 1996] mkdir("./file4", 0777) = 0 [ 112.915975][ T1994] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 112.923385][ T1994] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 112.932981][ T1996] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 112.942108][ T1996] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 112.950588][ T1996] F2FS-fs (loop0): fault_injection options not supported [ 112.957715][ T1996] F2FS-fs (loop0): fault_type options not supported [pid 1996] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1994] <... mount resumed>) = 0 [pid 1994] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1994] chdir("./file4") = 0 [pid 1994] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 1994] ioctl(4, LOOP_CLR_FD) = 0 [ 112.965613][ T1996] F2FS-fs (loop0): invalid crc value [pid 1994] close(4 [pid 2002] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1998] <... write resumed>) = 20699119 [pid 1998] munmap(0x7fb73baf6000, 138412032 [pid 1994] <... close resumed>) = 0 [pid 1994] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1993] <... futex resumed>) = 0 [pid 1993] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1993] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1994] <... futex resumed>) = 1 [pid 1994] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1998] <... munmap resumed>) = 0 [pid 1994] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 1998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 1994] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1998] <... openat resumed>) = 4 [pid 1994] <... futex resumed>) = 1 [pid 1993] <... futex resumed>) = 0 [pid 1994] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1993] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1993] <... futex resumed>) = 0 [pid 1994] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 1993] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1994] <... symlink resumed>) = 0 [pid 1994] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1993] <... futex resumed>) = 0 [pid 1994] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1993] exit_group(0 [pid 1994] <... futex resumed>) = ? [pid 1993] <... exit_group resumed>) = ? [pid 1994] +++ exited with 0 +++ [pid 1993] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1993, si_uid=0, si_status=0, si_utime=10, si_stime=17} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 1998] ioctl(4, LOOP_SET_FD, 3 [pid 285] <... restart_syscall resumed>) = 0 [pid 285] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./57/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1998] <... ioctl resumed>) = 0 [pid 1998] close(3) = 0 [pid 1998] close(4) = 0 [pid 1998] mkdir("./file4", 0777) = 0 [pid 1998] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] <... umount2 resumed>) = 0 [ 113.017392][ T1994] F2FS-fs (loop2): switch discard_unit option is not allowed [ 113.026437][ T1996] F2FS-fs (loop0): Found nat_bits in checkpoint [ 113.047820][ T1998] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 113.054810][ T1998] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [pid 286] umount2("./57/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./57/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./57/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./57/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./57/file4") = 0 [pid 286] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./57/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./57") = 0 [pid 286] mkdir("./58", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2013 [pid 1996] <... mount resumed>) = 0 [pid 1996] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 2013 attached ) = 3 [pid 2013] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2013] chdir("./58") = 0 [pid 2013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2013] setpgid(0, 0) = 0 [pid 2013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2013] write(3, "1000", 4) = 4 [pid 2013] close(3) = 0 [pid 2013] symlink("/dev/binderfs", "./binderfs" [pid 1996] chdir("./file4") = 0 [pid 1996] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 2013] <... symlink resumed>) = 0 [pid 2013] write(1, "executing program\n", 18executing program ) = 18 [pid 2013] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2013] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2013] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2013] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2013] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2013] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2015]}, 88) = 2015 [pid 2013] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2013] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2013] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2015 attached [pid 2015] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2015] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2015] memfd_create("syzkaller", 0) = 3 [pid 2015] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 113.093570][ T1998] F2FS-fs (loop1): fault_injection options not supported [ 113.105357][ T1998] F2FS-fs (loop1): fault_type options not supported [ 113.112971][ T1996] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 113.120347][ T1996] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 113.136545][ T1998] F2FS-fs (loop1): invalid crc value [pid 2002] <... write resumed>) = 20699119 [pid 2002] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2002] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 1996] <... openat resumed>) = 4 [pid 2002] <... openat resumed>) = 4 [pid 1996] ioctl(4, LOOP_CLR_FD [pid 2002] ioctl(4, LOOP_SET_FD, 3 [pid 1996] <... ioctl resumed>) = 0 [pid 1996] close(4 [pid 2002] <... ioctl resumed>) = 0 [pid 1996] <... close resumed>) = 0 [pid 2002] close(3 [pid 1996] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2002] <... close resumed>) = 0 [pid 1996] <... futex resumed>) = 1 [pid 2002] close(4 [pid 1996] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2002] <... close resumed>) = 0 [pid 2002] mkdir("./file4", 0777 [pid 1995] <... futex resumed>) = 0 [pid 2002] <... mkdir resumed>) = 0 [pid 1995] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2002] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 1995] <... futex resumed>) = 1 [ 113.157544][ T1998] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 1995] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1996] <... futex resumed>) = 0 [pid 1996] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 1996] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1995] <... futex resumed>) = 0 [pid 1995] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1995] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1996] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 1996] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1995] <... futex resumed>) = 0 [pid 1995] exit_group(0) = ? [pid 1996] +++ exited with 0 +++ [pid 1995] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1995, si_uid=0, si_status=0, si_utime=10, si_stime=17} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 113.203513][ T2002] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 113.211218][ T1996] F2FS-fs (loop0): switch discard_unit option is not allowed [ 113.223584][ T2002] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 113.232354][ T2002] F2FS-fs (loop4): fault_injection options not supported [ 113.240103][ T2002] F2FS-fs (loop4): fault_type options not supported [ 113.249774][ T2002] F2FS-fs (loop4): invalid crc value [pid 283] umount2("./55/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./57/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./57/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./57/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./57/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./57/file4" [pid 1998] <... mount resumed>) = 0 [pid 1998] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 1998] chdir("./file4") = 0 [ 113.277179][ T1998] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 113.278966][ T2002] F2FS-fs (loop4): Found nat_bits in checkpoint [ 113.284634][ T1998] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 1998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 285] <... rmdir resumed>) = 0 [pid 285] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 2002] <... mount resumed>) = 0 [pid 285] newfstatat(AT_FDCWD, "./57/binderfs", [pid 2002] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 285] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2002] <... openat resumed>) = 3 [pid 285] unlink("./57/binderfs") = 0 [pid 2002] chdir("./file4" [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 2002] <... chdir resumed>) = 0 [pid 285] close(3 [pid 2002] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 285] <... close resumed>) = 0 [pid 285] rmdir("./57") = 0 [pid 285] mkdir("./58", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 2015] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 1998] <... openat resumed>) = 4 [pid 2002] <... openat resumed>) = 4 [pid 2002] ioctl(4, LOOP_CLR_FD [pid 1998] ioctl(4, LOOP_CLR_FD [pid 285] <... openat resumed>) = 3 [pid 285] ioctl(3, LOOP_CLR_FD [pid 2002] <... ioctl resumed>) = 0 [pid 1998] <... ioctl resumed>) = 0 [pid 285] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2002] close(4 [pid 1998] close(4 [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 2022 [pid 2002] <... close resumed>) = 0 [pid 1998] <... close resumed>) = 0 [pid 2002] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 1998] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1997] <... futex resumed>) = 0 [pid 2002] <... futex resumed>) = 1 [pid 2001] <... futex resumed>) = 0 [pid 1998] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2001] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 1997] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2002] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 1998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 113.329786][ T2002] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 113.337876][ T2002] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 2001] <... futex resumed>) = 0 [pid 1997] <... futex resumed>) = 0 [pid 2001] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1997] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1998] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 2022 attached [pid 1998] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1997] <... futex resumed>) = 0 [pid 2022] set_robust_list(0x55557d22a6a0, 24 [pid 1998] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1997] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2022] <... set_robust_list resumed>) = 0 [pid 1998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1997] <... futex resumed>) = 0 [pid 2022] chdir("./58" [pid 1997] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1998] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2022] <... chdir resumed>) = 0 [pid 1998] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1998] <... futex resumed>) = 1 [pid 1997] <... futex resumed>) = 0 [pid 1997] exit_group(0 [pid 2022] <... prctl resumed>) = 0 [pid 1998] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1997] <... exit_group resumed>) = ? [pid 1998] <... futex resumed>) = ? [pid 2022] setpgid(0, 0 [pid 1998] +++ exited with 0 +++ [pid 1997] +++ exited with 0 +++ [pid 2022] <... setpgid resumed>) = 0 [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1997, si_uid=0, si_status=0, si_utime=8, si_stime=18} --- [pid 2022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 2022] <... openat resumed>) = 3 [pid 2002] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2022] write(3, "1000", 4) = 4 [pid 2002] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2002] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2001] <... futex resumed>) = 0 [pid 2022] close(3 [pid 2001] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2022] <... close resumed>) = 0 [pid 2002] <... futex resumed>) = 0 [pid 2001] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2022] symlink("/dev/binderfs", "./binderfs" [pid 2002] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2022] <... symlink resumed>) = 0 executing program [pid 2022] write(1, "executing program\n", 18) = 18 [pid 2022] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2022] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2022] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2022] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2022] rt_sigprocmask(SIG_BLOCK, ~[], [pid 2002] <... symlink resumed>) = 0 [pid 2022] <... rt_sigprocmask resumed>[], 8) = 0 [pid 2022] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2023]}, 88) = 2023 [pid 2022] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2022] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2022] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2002] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... restart_syscall resumed>) = 0 [pid 2002] <... futex resumed>) = 1 [pid 2001] <... futex resumed>) = 0 [pid 284] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2001] exit_group(0 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2001] <... exit_group resumed>) = ? [pid 284] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./55/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2002] +++ exited with 0 +++ [pid 2001] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2001, si_uid=0, si_status=0, si_utime=10, si_stime=19} --- [pid 287] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 113.376900][ T2002] F2FS-fs (loop4): switch discard_unit option is not allowed [ 113.384628][ T1998] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 287] umount2("./57/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 2023 attached [pid 2023] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2023] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2023] memfd_create("syzkaller", 0) = 3 [pid 2023] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 283] <... umount2 resumed>) = 0 [pid 2015] <... write resumed>) = 20699119 [pid 2015] munmap(0x7fb73baf6000, 138412032 [pid 283] umount2("./55/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./55/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./55/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./55/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 2015] <... munmap resumed>) = 0 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./55/file4") = 0 [pid 283] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./55/binderfs") = 0 [pid 2015] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./55") = 0 [pid 283] mkdir("./56", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 2023] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 2015] <... openat resumed>) = 4 [pid 283] <... openat resumed>) = 3 [pid 2015] ioctl(4, LOOP_SET_FD, 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3 [pid 2023] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2023] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 2015] <... ioctl resumed>) = 0 [pid 283] <... close resumed>) = 0 [pid 2023] <... openat resumed>) = 4 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2023] ioctl(4, LOOP_SET_FD, 3 [pid 2015] close(3) = 0 [pid 2015] close(4 [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 2025 ./strace-static-x86_64: Process 2025 attached [pid 2025] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2025] chdir("./56") = 0 [pid 2025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2025] setpgid(0, 0) = 0 [pid 2025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2025] write(3, "1000", 4) = 4 [pid 2025] close(3) = 0 [pid 2025] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2025] write(1, "executing program\n", 18executing program ) = 18 [pid 2025] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2025] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2025] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2025] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2025] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2025] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2027]}, 88) = 2027 [pid 2025] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2025] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2025] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2023] <... ioctl resumed>) = 0 [pid 2015] <... close resumed>) = 0 [pid 2023] close(3 [pid 2015] mkdir("./file4", 0777 [pid 2023] <... close resumed>) = 0 [pid 2015] <... mkdir resumed>) = 0 [pid 2023] close(4 [pid 2015] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"..../strace-static-x86_64: Process 2027 attached [pid 2027] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2027] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2027] memfd_create("syzkaller", 0) = 3 [pid 2027] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 287] <... umount2 resumed>) = 0 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./55/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./55/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./55/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./55/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./55/file4") = 0 [pid 284] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./55/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./55") = 0 [pid 284] mkdir("./56", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 287] umount2("./57/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./57/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./57/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./57/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./57/file4") = 0 [pid 287] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./57/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./57") = 0 [pid 287] mkdir("./58", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 2023] <... close resumed>) = 0 [pid 287] <... openat resumed>) = 3 [pid 284] <... openat resumed>) = 3 [pid 287] ioctl(3, LOOP_CLR_FD [pid 284] ioctl(3, LOOP_CLR_FD [pid 2023] mkdir("./file4", 0777) = 0 [pid 2023] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 284] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 287] close(3 [pid 284] close(3 [pid 287] <... close resumed>) = 0 [pid 284] <... close resumed>) = 0 [ 113.686010][ T2015] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 113.692999][ T2015] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 113.702881][ T2015] F2FS-fs (loop3): fault_injection options not supported [ 113.710217][ T2015] F2FS-fs (loop3): fault_type options not supported [ 113.718172][ T2015] F2FS-fs (loop3): invalid crc value [ 113.724646][ T2015] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2031 [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 2030 ./strace-static-x86_64: Process 2030 attached [pid 2030] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2030] chdir("./58") = 0 [pid 2030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2030] setpgid(0, 0) = 0 [pid 2030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2030] write(3, "1000", 4) = 4 [pid 2030] close(3) = 0 [pid 2030] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 2030] write(1, "executing program\n", 18) = 18 [pid 2030] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2030] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2030] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2030] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2030] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2032]}, 88) = 2032 [pid 2030] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2030] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2030] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2032 attached ./strace-static-x86_64: Process 2031 attached [pid 2027] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2032] set_robust_list(0x7fb743f169a0, 24 [pid 2031] set_robust_list(0x55557d22a6a0, 24 [pid 2032] <... set_robust_list resumed>) = 0 [pid 2031] <... set_robust_list resumed>) = 0 [pid 2032] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2031] chdir("./56" [pid 2032] memfd_create("syzkaller", 0 [pid 2031] <... chdir resumed>) = 0 [pid 2032] <... memfd_create resumed>) = 3 [pid 2031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2032] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 2031] <... prctl resumed>) = 0 [pid 2032] <... mmap resumed>) = 0x7fb73baf6000 [pid 2031] setpgid(0, 0) = 0 [pid 2031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2031] write(3, "1000", 4) = 4 [pid 2031] close(3) = 0 [pid 2031] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 2031] write(1, "executing program\n", 18) = 18 [pid 2031] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2031] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2031] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2031] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2031] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2031] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2033]}, 88) = 2033 [pid 2031] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2031] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2031] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2033 attached [pid 2033] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2033] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2033] memfd_create("syzkaller", 0) = 3 [pid 2033] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 113.751718][ T2023] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 113.782059][ T2023] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 113.792949][ T2023] F2FS-fs (loop2): fault_injection options not supported [pid 2015] <... mount resumed>) = 0 [pid 2015] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2015] chdir("./file4") = 0 [pid 2015] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 2015] ioctl(4, LOOP_CLR_FD) = 0 [pid 2015] close(4) = 0 [pid 2015] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2013] <... futex resumed>) = 0 [pid 2013] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2013] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2015] <... futex resumed>) = 1 [ 113.837031][ T2023] F2FS-fs (loop2): fault_type options not supported [ 113.846286][ T2015] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 113.853429][ T2015] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 113.866700][ T2023] F2FS-fs (loop2): invalid crc value [pid 2015] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 2015] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2013] <... futex resumed>) = 0 [pid 2013] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2013] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2015] <... futex resumed>) = 1 [pid 2027] <... write resumed>) = 20699119 [pid 2015] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2015] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2013] <... futex resumed>) = 0 [pid 2013] exit_group(0) = ? [pid 2015] <... futex resumed>) = ? [pid 2015] +++ exited with 0 +++ [pid 2013] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2013, si_uid=0, si_status=0, si_utime=7, si_stime=18} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./58/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2027] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2027] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 2027] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2027] close(3) = 0 [ 113.908048][ T2015] F2FS-fs (loop3): switch discard_unit option is not allowed [ 113.917843][ T2023] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 2027] close(4 [pid 2032] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2027] <... close resumed>) = 0 [pid 2027] mkdir("./file4", 0777) = 0 [ 114.012171][ T2027] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 114.021737][ T2027] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 114.030203][ T2027] F2FS-fs (loop0): fault_injection options not supported [ 114.030610][ T2023] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 114.037343][ T2027] F2FS-fs (loop0): fault_type options not supported [ 114.051957][ T2027] F2FS-fs (loop0): invalid crc value [ 114.071356][ T2027] F2FS-fs (loop0): Found nat_bits in checkpoint [ 114.095762][ T2023] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 2027] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2023] <... mount resumed>) = 0 [pid 2023] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2023] chdir("./file4") = 0 [pid 2023] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 2023] ioctl(4, LOOP_CLR_FD) = 0 [pid 2023] close(4) = 0 [pid 2027] <... mount resumed>) = 0 [pid 2023] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2022] <... futex resumed>) = 0 [pid 2022] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2022] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2023] <... futex resumed>) = 1 [pid 2023] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2032] <... write resumed>) = 20699119 [pid 2027] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2027] chdir("./file4") = 0 [pid 2027] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 2027] ioctl(4, LOOP_CLR_FD) = 0 [pid 2027] close(4) = 0 [pid 2027] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2025] <... futex resumed>) = 0 [pid 2025] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2025] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2027] <... futex resumed>) = 1 [ 114.115995][ T2027] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 114.123340][ T2027] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 114.153944][ T2023] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 2027] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2032] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2032] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 2032] ioctl(4, LOOP_SET_FD, 3 [pid 2023] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2023] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2022] <... futex resumed>) = 0 [pid 2022] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2022] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2023] <... futex resumed>) = 1 [pid 2023] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2027] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 286] <... umount2 resumed>) = 0 [pid 2032] <... ioctl resumed>) = 0 [pid 2027] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2023] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] umount2("./58/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2032] close(3 [pid 2027] <... futex resumed>) = 1 [pid 2023] <... futex resumed>) = 1 [pid 2032] <... close resumed>) = 0 [pid 2027] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2023] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2032] close(4 [pid 286] newfstatat(AT_FDCWD, "./58/file4", [pid 2025] <... futex resumed>) = 0 [pid 2022] <... futex resumed>) = 0 [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2025] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2022] exit_group(0 [pid 286] umount2("./58/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2025] <... futex resumed>) = 1 [pid 2023] <... futex resumed>) = ? [pid 2022] <... exit_group resumed>) = ? [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2025] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2023] +++ exited with 0 +++ [pid 2022] +++ exited with 0 +++ [pid 286] openat(AT_FDCWD, "./58/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2022, si_uid=0, si_status=0, si_utime=4, si_stime=16} --- [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 285] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] rmdir("./58/file4" [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 286] <... rmdir resumed>) = 0 [pid 285] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 286] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... openat resumed>) = 3 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(3, "", [pid 286] newfstatat(AT_FDCWD, "./58/binderfs", [pid 2027] <... futex resumed>) = 0 [pid 286] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 2027] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 286] unlink("./58/binderfs" [pid 285] getdents64(3, [pid 2027] <... symlink resumed>) = 0 [pid 286] <... unlink resumed>) = 0 [pid 285] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] getdents64(3, [pid 285] umount2("./58/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 2027] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] close(3 [pid 2027] <... futex resumed>) = 1 [pid 2025] <... futex resumed>) = 0 [pid 286] <... close resumed>) = 0 [pid 2027] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2025] exit_group(0 [pid 2027] <... futex resumed>) = ? [pid 2025] <... exit_group resumed>) = ? [pid 286] rmdir("./58" [pid 2027] +++ exited with 0 +++ [pid 2025] +++ exited with 0 +++ [pid 286] <... rmdir resumed>) = 0 [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2025, si_uid=0, si_status=0, si_utime=6, si_stime=20} --- [pid 286] mkdir("./59", 0777 [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 286] <... mkdir resumed>) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 283] <... restart_syscall resumed>) = 0 [pid 283] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./56/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2032] <... close resumed>) = 0 [pid 286] <... openat resumed>) = 3 [pid 2032] mkdir("./file4", 0777 [pid 286] ioctl(3, LOOP_CLR_FD [pid 2032] <... mkdir resumed>) = 0 [pid 2033] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [ 114.175496][ T2027] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 2032] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2043 ./strace-static-x86_64: Process 2043 attached [pid 2043] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2043] chdir("./59") = 0 [pid 2043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2043] setpgid(0, 0) = 0 [pid 2043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2043] write(3, "1000", 4) = 4 [pid 2043] close(3executing program ) = 0 [pid 2043] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2043] write(1, "executing program\n", 18) = 18 [pid 2043] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2043] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2043] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2043] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2043] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2043] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2044]}, 88) = 2044 [pid 2043] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2043] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2043] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2033] <... write resumed>) = 20699119 [ 114.249382][ T2032] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [pid 2033] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2033] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 2033] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 2044 attached [pid 2044] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2044] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2044] memfd_create("syzkaller", 0) = 3 [pid 2044] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2033] <... ioctl resumed>) = 0 [pid 2033] close(3) = 0 [ 114.292766][ T2032] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 114.315811][ T2032] F2FS-fs (loop4): fault_injection options not supported [ 114.323177][ T2032] F2FS-fs (loop4): fault_type options not supported [ 114.331122][ T2032] F2FS-fs (loop4): invalid crc value [pid 2033] close(4) = 0 [pid 2033] mkdir("./file4", 0777) = 0 [ 114.337805][ T2032] F2FS-fs (loop4): Found nat_bits in checkpoint [ 114.346798][ T2033] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 114.353965][ T2033] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 114.372982][ T2033] F2FS-fs (loop1): fault_injection options not supported [ 114.385787][ T2033] F2FS-fs (loop1): fault_type options not supported [pid 2033] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2032] <... mount resumed>) = 0 [pid 2032] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2032] chdir("./file4") = 0 [pid 2032] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 2044] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2032] <... openat resumed>) = 4 [pid 2032] ioctl(4, LOOP_CLR_FD) = 0 [pid 2032] close(4) = 0 [ 114.399568][ T2032] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 114.406740][ T2033] F2FS-fs (loop1): invalid crc value [ 114.412391][ T2032] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 114.422226][ T2033] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 2032] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2030] <... futex resumed>) = 0 [pid 2032] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2030] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2030] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 283] <... umount2 resumed>) = 0 [pid 2032] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2032] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2030] <... futex resumed>) = 0 [pid 2030] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2030] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2032] <... futex resumed>) = 1 [pid 2032] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2032] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2030] <... futex resumed>) = 0 [pid 2030] exit_group(0) = ? [pid 283] umount2("./56/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./56/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./56/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./56/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./56/file4" [pid 2032] <... futex resumed>) = ? [pid 283] <... rmdir resumed>) = 0 [pid 283] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./56/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./56") = 0 [pid 283] mkdir("./57", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 2032] +++ exited with 0 +++ [pid 2030] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2030, si_uid=0, si_status=0, si_utime=9, si_stime=22} --- [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2051 [pid 287] <... restart_syscall resumed>) = 0 [pid 287] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 114.460191][ T2032] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 287] umount2("./58/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 2051 attached [pid 2051] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2051] chdir("./57") = 0 [pid 2051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2051] setpgid(0, 0) = 0 [pid 2051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2051] write(3, "1000", 4) = 4 [pid 2051] close(3) = 0 [pid 2051] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2051] write(1, "executing program\n", 18executing program ) = 18 [pid 2051] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2051] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2051] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2051] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2051] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2051] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2052]}, 88) = 2052 [pid 2051] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2051] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2051] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2052 attached [pid 2044] <... write resumed>) = 20699119 [pid 2052] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2052] memfd_create("syzkaller", 0) = 3 [pid 2044] munmap(0x7fb73baf6000, 138412032 [pid 2052] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2044] <... munmap resumed>) = 0 [pid 2044] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 2044] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2044] close(3) = 0 [pid 2044] close(4 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./58/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./58/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./58/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./58/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./58/file4") = 0 [pid 285] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./58/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./58") = 0 [pid 285] mkdir("./59", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 2033] <... mount resumed>) = 0 [pid 2033] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2033] chdir("./file4") = 0 [pid 2033] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 2044] <... close resumed>) = 0 [pid 285] <... openat resumed>) = 3 [pid 2044] mkdir("./file4", 0777 [pid 285] ioctl(3, LOOP_CLR_FD [pid 2044] <... mkdir resumed>) = 0 [pid 285] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 2044] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 114.581583][ T2033] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 114.599779][ T2033] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2055 ./strace-static-x86_64: Process 2055 attached [pid 2033] <... openat resumed>) = 4 [pid 2033] ioctl(4, LOOP_CLR_FD [pid 2055] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2033] <... ioctl resumed>) = 0 [pid 2055] chdir("./59" [pid 2033] close(4 [pid 2055] <... chdir resumed>) = 0 [pid 2055] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 2033] <... close resumed>) = 0 [pid 2055] <... prctl resumed>) = 0 [pid 2055] setpgid(0, 0) = 0 [pid 2055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2055] write(3, "1000", 4) = 4 [pid 2055] close(3) = 0 [pid 2055] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2055] write(1, "executing program\n", 18) = 18 [pid 2055] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2055] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2055] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2055] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2055] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2056]}, 88) = 2056 [pid 2055] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2055] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2055] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2033] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2031] <... futex resumed>) = 0 [pid 2031] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2031] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2033] <... futex resumed>) = 1 [ 114.632075][ T2044] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 114.667035][ T2033] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 2033] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL./strace-static-x86_64: Process 2056 attached [pid 287] <... umount2 resumed>) = 0 [pid 2056] set_robust_list(0x7fb743f169a0, 24 [pid 287] umount2("./58/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 2056] <... set_robust_list resumed>) = 0 [pid 287] newfstatat(AT_FDCWD, "./58/file4", [pid 2056] rt_sigprocmask(SIG_SETMASK, [], [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 287] umount2("./58/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2056] memfd_create("syzkaller", 0 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2056] <... memfd_create resumed>) = 3 [pid 287] openat(AT_FDCWD, "./58/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2056] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 287] <... openat resumed>) = 4 [pid 2056] <... mmap resumed>) = 0x7fb73baf6000 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 2033] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./58/file4" [pid 2033] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... rmdir resumed>) = 0 [pid 287] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./58/binderfs" [pid 2031] <... futex resumed>) = 0 [pid 287] <... unlink resumed>) = 0 [pid 2031] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] getdents64(3, [pid 2031] <... futex resumed>) = 0 [pid 287] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3 [pid 2031] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 287] <... close resumed>) = 0 [pid 287] rmdir("./58") = 0 [pid 287] mkdir("./59", 0777 [pid 2033] <... futex resumed>) = 1 [pid 287] <... mkdir resumed>) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2033] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 2057 [ 114.678603][ T2044] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock ./strace-static-x86_64: Process 2057 attached [pid 2057] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2057] chdir("./59") = 0 [pid 2057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2057] setpgid(0, 0) = 0 [pid 2057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2057] write(3, "1000", 4) = 4 [pid 2057] close(3) = 0 [pid 2057] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2057] write(1, "executing program\n", 18executing program ) = 18 [pid 2057] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2057] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2057] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2057] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2057] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2057] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2058]}, 88) = 2058 [pid 2057] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2057] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2057] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2031] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 2031] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 2031] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 2058 attached [pid 2058] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2058] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2058] memfd_create("syzkaller", 0) = 3 [ 114.706788][ T2033] handle_bad_sector: 33 callbacks suppressed [ 114.706802][ T2033] attempt to access beyond end of device [ 114.706802][ T2033] loop1: rw=2049, want=53256, limit=40427 [ 114.724945][ T2044] F2FS-fs (loop3): fault_injection options not supported [pid 2058] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2033] <... symlink resumed>) = 0 [pid 2033] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2031] exit_group(0) = ? [pid 2033] <... futex resumed>) = ? [pid 2033] +++ exited with 0 +++ [pid 2031] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2031, si_uid=0, si_status=0, si_utime=10, si_stime=19} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./56/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 114.756618][ T2044] F2FS-fs (loop3): fault_type options not supported [ 114.775288][ T2044] F2FS-fs (loop3): invalid crc value [ 114.786868][ T284] attempt to access beyond end of device [ 114.786868][ T284] loop1: rw=2049, want=45104, limit=40427 [ 114.806534][ T2044] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 2052] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2044] <... mount resumed>) = 0 [pid 2044] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2044] chdir("./file4") = 0 [pid 2044] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 2044] ioctl(4, LOOP_CLR_FD) = 0 [pid 2044] close(4) = 0 [pid 2052] <... write resumed>) = 20699119 [pid 2044] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2043] <... futex resumed>) = 0 [pid 2043] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2044] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2043] <... futex resumed>) = 0 [ 114.922642][ T2044] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 114.932675][ T2044] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 2043] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2056] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2058] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2052] munmap(0x7fb73baf6000, 138412032 [pid 2044] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2044] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2043] <... futex resumed>) = 0 [pid 2043] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2044] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2043] <... futex resumed>) = 0 [pid 2043] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2052] <... munmap resumed>) = 0 [pid 2052] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 2052] ioctl(4, LOOP_SET_FD, 3 [pid 2044] <... symlink resumed>) = 0 [pid 2044] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2043] <... futex resumed>) = 0 [pid 2043] exit_group(0) = ? [pid 2044] <... futex resumed>) = ? [pid 2044] +++ exited with 0 +++ [pid 2043] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2043, si_uid=0, si_status=0, si_utime=10, si_stime=18} --- [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 284] <... umount2 resumed>) = 0 [pid 2052] <... ioctl resumed>) = 0 [pid 2052] close(3) = 0 [pid 2052] close(4 [pid 286] <... restart_syscall resumed>) = 0 [pid 2052] <... close resumed>) = 0 [pid 2052] mkdir("./file4", 0777 [pid 286] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2052] <... mkdir resumed>) = 0 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2052] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] <... openat resumed>) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 114.972194][ T2044] F2FS-fs (loop3): switch discard_unit option is not allowed [ 114.990642][ T2044] attempt to access beyond end of device [ 114.990642][ T2044] loop3: rw=2049, want=53256, limit=40427 [pid 286] umount2("./59/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] umount2("./56/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./56/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./56/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./56/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./56/file4") = 0 [pid 284] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./56/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./56") = 0 [pid 284] mkdir("./57", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2063 ./strace-static-x86_64: Process 2063 attached [pid 2063] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2063] chdir("./57") = 0 [pid 2063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2063] setpgid(0, 0) = 0 [pid 2063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2063] write(3, "1000", 4) = 4 [pid 2063] close(3) = 0 [pid 2063] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2063] write(1, "executing program\n", 18executing program ) = 18 [pid 2063] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2063] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2063] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2063] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2063] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2064]}, 88) = 2064 [pid 2063] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2063] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2063] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2056] <... write resumed>) = 20699119 ./strace-static-x86_64: Process 2064 attached [pid 2064] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2064] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 115.027203][ T286] attempt to access beyond end of device [ 115.027203][ T286] loop3: rw=2049, want=45104, limit=40427 [ 115.038726][ T2052] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 115.045714][ T2052] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 115.065267][ T2052] F2FS-fs (loop0): fault_injection options not supported [pid 2056] munmap(0x7fb73baf6000, 138412032 [pid 2064] memfd_create("syzkaller", 0) = 3 [pid 2064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2056] <... munmap resumed>) = 0 [pid 2056] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 2056] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2056] close(3) = 0 [pid 2056] close(4) = 0 [pid 2056] mkdir("./file4", 0777) = 0 [ 115.099048][ T2052] F2FS-fs (loop0): fault_type options not supported [ 115.110187][ T2052] F2FS-fs (loop0): invalid crc value [ 115.126851][ T2056] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 115.133942][ T2056] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 115.156496][ T2052] F2FS-fs (loop0): Found nat_bits in checkpoint [ 115.183852][ T2056] F2FS-fs (loop2): fault_injection options not supported [pid 2056] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2064] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2058] <... write resumed>) = 20699119 [pid 2058] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2058] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 2058] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2058] close(3) = 0 [pid 2058] close(4) = 0 [pid 2058] mkdir("./file4", 0777) = 0 [ 115.214289][ T2056] F2FS-fs (loop2): fault_type options not supported [ 115.252605][ T2056] F2FS-fs (loop2): invalid crc value [pid 2058] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2064] <... write resumed>) = 20699119 [pid 2064] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2064] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 2064] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2064] close(3) = 0 [ 115.281385][ T2058] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 115.289174][ T2052] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 115.297170][ T2056] F2FS-fs (loop2): Found nat_bits in checkpoint [ 115.320888][ T2058] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 2064] close(4 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./59/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./59/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./59/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./59/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./59/file4") = 0 [pid 286] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./59/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./59") = 0 [pid 286] mkdir("./60", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 2052] <... mount resumed>) = 0 [pid 2052] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2052] chdir("./file4") = 0 [pid 2052] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 2064] <... close resumed>) = 0 [pid 2064] mkdir("./file4", 0777) = 0 [ 115.330423][ T2052] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 115.340512][ T2058] F2FS-fs (loop4): fault_injection options not supported [ 115.349264][ T2058] F2FS-fs (loop4): fault_type options not supported [ 115.358239][ T2058] F2FS-fs (loop4): invalid crc value [ 115.364656][ T2058] F2FS-fs (loop4): Found nat_bits in checkpoint [ 115.374684][ T2056] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [pid 2064] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2052] <... openat resumed>) = 4 [pid 286] <... openat resumed>) = 3 [pid 2052] ioctl(4, LOOP_CLR_FD [pid 286] ioctl(3, LOOP_CLR_FD [pid 2052] <... ioctl resumed>) = 0 [pid 286] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 2052] close(4 [pid 286] close(3 [pid 2052] <... close resumed>) = 0 [pid 286] <... close resumed>) = 0 [pid 2052] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2052] <... futex resumed>) = 1 [pid 2051] <... futex resumed>) = 0 [pid 2052] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2051] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 2076 [pid 2051] <... futex resumed>) = 0 [pid 2051] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2056] <... mount resumed>) = 0 [pid 2056] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2056] chdir("./file4") = 0 [pid 2056] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 ./strace-static-x86_64: Process 2076 attached [pid 2052] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2076] set_robust_list(0x55557d22a6a0, 24 [pid 2052] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2076] <... set_robust_list resumed>) = 0 [pid 2056] ioctl(4, LOOP_CLR_FD [pid 2076] chdir("./60" [pid 2056] <... ioctl resumed>) = 0 [pid 2076] <... chdir resumed>) = 0 [pid 2076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2052] <... futex resumed>) = 1 [pid 2051] <... futex resumed>) = 0 [pid 2076] <... prctl resumed>) = 0 [pid 2051] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2076] setpgid(0, 0 [pid 2051] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2052] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2076] <... setpgid resumed>) = 0 [pid 2076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2076] write(3, "1000", 4 [pid 2056] close(4) = 0 [pid 2056] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 115.382198][ T2056] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 115.392301][ T2064] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 115.396021][ T2052] F2FS-fs (loop0): switch discard_unit option is not allowed [ 115.405782][ T2064] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 115.415086][ T2064] F2FS-fs (loop1): fault_injection options not supported [pid 2056] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2076] <... write resumed>) = 4 [pid 2055] <... futex resumed>) = 0 [pid 2076] close(3 [pid 2055] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2076] <... close resumed>) = 0 [pid 2055] <... futex resumed>) = 1 [pid 2076] symlink("/dev/binderfs", "./binderfs" [pid 2055] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 2076] <... symlink resumed>) = 0 [pid 2056] <... futex resumed>) = 0 [pid 2076] write(1, "executing program\n", 18) = 18 [pid 2056] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2076] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2076] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 2052] <... symlink resumed>) = 0 [pid 2056] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2056] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2056] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2076] <... rt_sigaction resumed>NULL, 8) = 0 [pid 2055] <... futex resumed>) = 0 [pid 2052] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2076] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 2055] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2052] <... futex resumed>) = 1 [pid 2076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2051] <... futex resumed>) = 0 [pid 2076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2055] <... futex resumed>) = 1 [pid 2052] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2051] exit_group(0 [pid 2076] <... mmap resumed>) = 0x7fb743ef6000 [pid 2055] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2051] <... exit_group resumed>) = ? [pid 2076] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 2056] <... futex resumed>) = 0 [pid 2052] <... futex resumed>) = ? [pid 2076] <... mprotect resumed>) = 0 [pid 2056] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2052] +++ exited with 0 +++ [pid 2051] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2051, si_uid=0, si_status=0, si_utime=7, si_stime=18} --- [pid 283] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 115.429523][ T2052] attempt to access beyond end of device [ 115.429523][ T2052] loop0: rw=2049, want=53256, limit=40427 [ 115.431466][ T2064] F2FS-fs (loop1): fault_type options not supported [ 115.451890][ T2056] F2FS-fs (loop2): switch discard_unit option is not allowed [ 115.457456][ T2064] F2FS-fs (loop1): invalid crc value [ 115.467507][ T2064] F2FS-fs (loop1): Found nat_bits in checkpoint [ 115.476408][ T283] attempt to access beyond end of device [pid 283] umount2("./57/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2076] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2080]}, 88) = 2080 [pid 2076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2076] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2076] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2058] <... mount resumed>) = 0 ./strace-static-x86_64: Process 2080 attached [pid 2080] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2080] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2080] memfd_create("syzkaller", 0) = 3 [pid 2080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2058] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2055] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 2055] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 2058] chdir("./file4") = 0 [pid 2058] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 2058] ioctl(4, LOOP_CLR_FD) = 0 [pid 2058] close(4) = 0 [pid 2058] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2057] <... futex resumed>) = 0 [pid 2057] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2058] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2057] <... futex resumed>) = 0 [pid 2057] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2058] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2058] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2057] <... futex resumed>) = 0 [pid 2057] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2058] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2057] <... futex resumed>) = 0 [ 115.476408][ T283] loop0: rw=2049, want=45104, limit=40427 [ 115.488392][ T2058] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 115.495562][ T2058] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 115.497131][ T2056] attempt to access beyond end of device [ 115.497131][ T2056] loop2: rw=2049, want=53256, limit=40427 [ 115.523558][ T2058] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 2057] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2058] <... symlink resumed>) = 0 [pid 2056] <... symlink resumed>) = 0 [pid 2058] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2056] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2058] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2056] <... futex resumed>) = 0 [pid 2057] <... futex resumed>) = 0 [pid 2056] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2055] exit_group(0 [pid 2057] exit_group(0 [pid 2055] <... exit_group resumed>) = ? [pid 2058] <... futex resumed>) = ? [pid 2057] <... exit_group resumed>) = ? [pid 2056] <... futex resumed>) = ? [pid 2058] +++ exited with 0 +++ [pid 2057] +++ exited with 0 +++ [pid 2056] +++ exited with 0 +++ [pid 2055] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2057, si_uid=0, si_status=0, si_utime=5, si_stime=23} --- [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2055, si_uid=0, si_status=0, si_utime=11, si_stime=22} --- [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 287] <... restart_syscall resumed>) = 0 [pid 285] <... restart_syscall resumed>) = 0 [pid 287] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 285] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 287] <... openat resumed>) = 3 [pid 285] <... openat resumed>) = 3 [pid 287] newfstatat(3, "", [pid 285] newfstatat(3, "", [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, [pid 285] getdents64(3, [pid 287] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./59/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 115.537432][ T2058] attempt to access beyond end of device [ 115.537432][ T2058] loop4: rw=2049, want=53256, limit=40427 [ 115.563547][ T2064] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 115.572220][ T287] attempt to access beyond end of device [ 115.572220][ T287] loop4: rw=2049, want=45104, limit=40427 [pid 285] umount2("./59/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2064] <... mount resumed>) = 0 [pid 2064] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2064] chdir("./file4") = 0 [pid 2064] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 2064] ioctl(4, LOOP_CLR_FD) = 0 [pid 2064] close(4) = 0 [pid 2064] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2063] <... futex resumed>) = 0 [pid 2063] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2063] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 115.573395][ T2064] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 115.583742][ T285] attempt to access beyond end of device [ 115.583742][ T285] loop2: rw=2049, want=45104, limit=40427 [pid 2064] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 2064] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2063] <... futex resumed>) = 0 [pid 2063] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2064] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2063] <... futex resumed>) = 0 [pid 2063] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2064] <... symlink resumed>) = 0 [pid 2064] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2063] <... futex resumed>) = 0 [pid 2064] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2063] exit_group(0) = ? [pid 2064] <... futex resumed>) = ? [pid 2064] +++ exited with 0 +++ [pid 2063] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2063, si_uid=0, si_status=0, si_utime=8, si_stime=21} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 115.646342][ T2064] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 284] umount2("./57/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2080] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./57/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./57/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./57/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./57/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./57/file4") = 0 [pid 283] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./57/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./57") = 0 [pid 283] mkdir("./58", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2082 ./strace-static-x86_64: Process 2082 attached [pid 2082] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2082] chdir("./58") = 0 [pid 2082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2082] setpgid(0, 0) = 0 [pid 2082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2082] write(3, "1000", 4) = 4 [pid 2082] close(3) = 0 [pid 2082] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 2082] write(1, "executing program\n", 18) = 18 [pid 2082] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2082] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2082] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2082] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2082] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2083]}, 88) = 2083 [pid 2082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2082] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2082] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2083 attached [pid 285] <... umount2 resumed>) = 0 [pid 2083] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 285] umount2("./59/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2083] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2083] memfd_create("syzkaller", 0 [pid 285] newfstatat(AT_FDCWD, "./59/file4", [pid 2083] <... memfd_create resumed>) = 3 [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 285] umount2("./59/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./59/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./59/file4") = 0 [pid 285] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./59/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./59") = 0 [pid 285] mkdir("./60", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2084 ./strace-static-x86_64: Process 2084 attached [pid 2084] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2084] chdir("./60") = 0 [pid 2084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2084] setpgid(0, 0) = 0 [pid 2084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2084] write(3, "1000", 4) = 4 [pid 2084] close(3) = 0 [pid 2084] symlink("/dev/binderfs", "./binderfs" [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./59/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./59/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./59/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./59/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program ) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./59/file4" [pid 2084] <... symlink resumed>) = 0 [pid 2084] write(1, "executing program\n", 18 [pid 287] <... rmdir resumed>) = 0 [pid 287] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./59/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./59" [pid 2084] <... write resumed>) = 18 [pid 2084] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... rmdir resumed>) = 0 [pid 287] mkdir("./60", 0777 [pid 2084] <... futex resumed>) = 0 [pid 2084] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 287] <... mkdir resumed>) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 2084] <... rt_sigaction resumed>NULL, 8) = 0 [pid 287] <... openat resumed>) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 2084] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2084] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2084] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2085]}, 88) = 2085 [pid 2084] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2084] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2084] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2086 ./strace-static-x86_64: Process 2085 attached [pid 2085] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2085] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2085] memfd_create("syzkaller", 0) = 3 [pid 2085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 ./strace-static-x86_64: Process 2086 attached [pid 2086] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2086] chdir("./60") = 0 [pid 2086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2086] setpgid(0, 0) = 0 [pid 2086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2086] write(3, "1000", 4) = 4 [pid 2086] close(3) = 0 [pid 2086] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 2086] write(1, "executing program\n", 18) = 18 [pid 2086] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2086] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2086] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2086] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2086] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2086] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2087]}, 88) = 2087 [pid 2086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2086] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2086] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2087 attached [pid 2087] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2087] memfd_create("syzkaller", 0) = 3 [pid 2087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2080] <... write resumed>) = 20699119 [pid 2080] munmap(0x7fb73baf6000, 138412032) = 0 [pid 284] <... umount2 resumed>) = 0 [pid 2080] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 2080] ioctl(4, LOOP_SET_FD, 3 [pid 284] umount2("./57/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./57/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./57/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./57/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./57/file4") = 0 [pid 284] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./57/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./57") = 0 [pid 284] mkdir("./58", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 2080] <... ioctl resumed>) = 0 [pid 2080] close(3) = 0 [pid 2080] close(4) = 0 [pid 284] <... openat resumed>) = 3 [pid 2080] mkdir("./file4", 0777 [pid 284] ioctl(3, LOOP_CLR_FD [pid 2080] <... mkdir resumed>) = 0 [pid 2080] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2085] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2089 ./strace-static-x86_64: Process 2089 attached [pid 2089] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2089] chdir("./58") = 0 [pid 2089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2089] setpgid(0, 0) = 0 [pid 2089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2089] write(3, "1000", 4) = 4 [pid 2089] close(3) = 0 [pid 2089] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2089] write(1, "executing program\n", 18executing program ) = 18 [pid 2089] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2089] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2089] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2089] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2089] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2090]}, 88) = 2090 [pid 2089] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2089] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2089] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2083] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 2090 attached [pid 2090] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2090] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2090] memfd_create("syzkaller", 0) = 3 [pid 2090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 116.049468][ T2080] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 116.077538][ T2080] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [pid 2085] <... write resumed>) = 20699119 [pid 2085] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2085] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 2085] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2085] close(3) = 0 [pid 2085] close(4) = 0 [pid 2085] mkdir("./file4", 0777) = 0 [ 116.120842][ T2080] F2FS-fs (loop3): fault_injection options not supported [ 116.148834][ T2080] F2FS-fs (loop3): fault_type options not supported [ 116.166227][ T2080] F2FS-fs (loop3): invalid crc value [ 116.187116][ T2080] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 2085] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 116.218460][ T2085] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 116.225816][ T2085] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 116.244599][ T2085] F2FS-fs (loop2): fault_injection options not supported [pid 2087] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2090] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2083] <... write resumed>) = 20699119 [pid 2083] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2083] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 2083] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2083] close(3) = 0 [pid 2083] close(4) = 0 [pid 2083] mkdir("./file4", 0777) = 0 [ 116.262479][ T2085] F2FS-fs (loop2): fault_type options not supported [ 116.272976][ T2085] F2FS-fs (loop2): invalid crc value [ 116.308417][ T2085] F2FS-fs (loop2): Found nat_bits in checkpoint [ 116.338946][ T2083] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 116.355783][ T2083] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 116.366173][ T2080] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 116.368102][ T2083] F2FS-fs (loop0): fault_injection options not supported [ 116.373241][ T2080] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 2083] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2080] <... mount resumed>) = 0 [pid 2080] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2080] chdir("./file4") = 0 [pid 2080] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 2080] ioctl(4, LOOP_CLR_FD) = 0 [pid 2080] close(4) = 0 [pid 2080] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2076] <... futex resumed>) = 0 [pid 2080] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2076] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2080] <... futex resumed>) = 0 [pid 2076] <... futex resumed>) = 1 [pid 2080] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2076] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2080] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2080] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2076] <... futex resumed>) = 0 [pid 2080] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2076] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2080] <... futex resumed>) = 0 [pid 2076] <... futex resumed>) = 1 [pid 2080] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2076] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2080] <... symlink resumed>) = 0 [pid 2080] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2076] <... futex resumed>) = 0 [pid 2076] exit_group(0) = ? [pid 2080] +++ exited with 0 +++ [pid 2076] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2076, si_uid=0, si_status=0, si_utime=10, si_stime=22} --- [pid 286] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./60/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2085] <... mount resumed>) = 0 [ 116.382307][ T2085] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 116.407019][ T2080] F2FS-fs (loop3): switch discard_unit option is not allowed [ 116.414990][ T2083] F2FS-fs (loop0): fault_type options not supported [ 116.422516][ T2085] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 2085] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2085] chdir("./file4") = 0 [pid 2085] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 2085] ioctl(4, LOOP_CLR_FD) = 0 [pid 2085] close(4) = 0 [pid 2085] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2084] <... futex resumed>) = 0 [pid 2084] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2084] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2085] <... futex resumed>) = 1 [pid 2085] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 2090] <... write resumed>) = 20699119 [pid 2085] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2090] munmap(0x7fb73baf6000, 138412032 [pid 2085] <... futex resumed>) = 1 [pid 2084] <... futex resumed>) = 0 [pid 2084] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2084] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2090] <... munmap resumed>) = 0 [pid 2085] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2090] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 2090] ioctl(4, LOOP_SET_FD, 3 [pid 2085] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2084] <... futex resumed>) = 0 [pid 2084] exit_group(0) = ? [pid 2085] <... futex resumed>) = ? [pid 2085] +++ exited with 0 +++ [pid 2084] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2084, si_uid=0, si_status=0, si_utime=12, si_stime=14} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 2087] <... write resumed>) = 20699119 [pid 2090] <... ioctl resumed>) = 0 [pid 2090] close(3) = 0 [pid 2090] close(4) = 0 [pid 2090] mkdir("./file4", 0777) = 0 [pid 2090] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 285] <... restart_syscall resumed>) = 0 [pid 285] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 116.445918][ T2083] F2FS-fs (loop0): invalid crc value [ 116.457475][ T2085] F2FS-fs (loop2): switch discard_unit option is not allowed [ 116.469696][ T2083] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./60/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2087] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2087] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 2087] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2087] close(3) = 0 [ 116.499816][ T2090] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 116.524211][ T2090] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 116.532650][ T2090] F2FS-fs (loop1): fault_injection options not supported [ 116.533208][ T2083] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [pid 2087] close(4 [pid 2083] <... mount resumed>) = 0 [pid 2083] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2083] chdir("./file4") = 0 [pid 2083] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 2087] <... close resumed>) = 0 [pid 2087] mkdir("./file4", 0777) = 0 [ 116.540397][ T2090] F2FS-fs (loop1): fault_type options not supported [ 116.554616][ T2083] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 116.562484][ T2090] F2FS-fs (loop1): invalid crc value [ 116.572109][ T2090] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 2087] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2083] <... openat resumed>) = 4 [pid 2090] <... mount resumed>) = 0 [pid 2083] ioctl(4, LOOP_CLR_FD [pid 2090] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2090] chdir("./file4") = 0 [ 116.604126][ T2090] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 116.611377][ T2090] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 116.614600][ T2087] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 116.626372][ T2087] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 116.634590][ T2087] F2FS-fs (loop4): fault_injection options not supported [ 116.641675][ T2087] F2FS-fs (loop4): fault_type options not supported [ 116.649192][ T2087] F2FS-fs (loop4): invalid crc value [pid 2090] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 2083] <... ioctl resumed>) = 0 [pid 2090] ioctl(4, LOOP_CLR_FD) = 0 [pid 2090] close(4) = 0 [pid 2090] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2090] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2089] <... futex resumed>) = 0 [pid 2083] close(4 [pid 2089] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2090] <... futex resumed>) = 0 [pid 2089] <... futex resumed>) = 1 [pid 2083] <... close resumed>) = 0 [pid 2090] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2089] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2083] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2082] <... futex resumed>) = 0 [pid 2083] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2082] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2082] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2083] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2090] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2090] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2090] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2089] <... futex resumed>) = 0 [pid 2083] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2089] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2090] <... futex resumed>) = 0 [pid 2089] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2090] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2090] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2089] <... futex resumed>) = 0 [pid 2090] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2089] exit_group(0) = ? [pid 2090] <... futex resumed>) = ? [pid 2090] +++ exited with 0 +++ [pid 2089] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2089, si_uid=0, si_status=0, si_utime=8, si_stime=15} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./58/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2083] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2082] <... futex resumed>) = 0 [pid 2082] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2082] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2083] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2083] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2082] <... futex resumed>) = 0 [pid 2082] exit_group(0) = ? [pid 2083] +++ exited with 0 +++ [pid 2082] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2082, si_uid=0, si_status=0, si_utime=9, si_stime=18} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 116.658202][ T2087] F2FS-fs (loop4): Found nat_bits in checkpoint [ 116.669249][ T2090] F2FS-fs (loop1): switch discard_unit option is not allowed [ 116.678070][ T2083] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 283] umount2("./58/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2087] <... mount resumed>) = 0 [pid 2087] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2087] chdir("./file4") = 0 [pid 2087] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 2087] ioctl(4, LOOP_CLR_FD) = 0 [pid 2087] close(4) = 0 [pid 2087] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2086] <... futex resumed>) = 0 [pid 2086] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2086] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2087] <... futex resumed>) = 1 [pid 2087] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 286] <... umount2 resumed>) = 0 [pid 2087] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2087] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2086] <... futex resumed>) = 0 [pid 2086] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2086] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2087] <... futex resumed>) = 1 [pid 2087] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2087] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2086] <... futex resumed>) = 0 [pid 2086] exit_group(0) = ? [pid 2087] <... futex resumed>) = ? [pid 2087] +++ exited with 0 +++ [pid 2086] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2086, si_uid=0, si_status=0, si_utime=8, si_stime=17} --- [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 286] umount2("./60/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./60/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./60/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./60/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./60/file4") = 0 [pid 286] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./60/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./60") = 0 [pid 286] mkdir("./61", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 287] <... restart_syscall resumed>) = 0 [pid 287] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 116.741474][ T2087] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 116.748714][ T2087] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 116.767881][ T2087] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 287] umount2("./60/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./60/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./60/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./60/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./60/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./60/file4") = 0 [pid 285] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./60/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./60") = 0 [pid 285] mkdir("./61", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./58/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./58/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./58/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./58/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./58/file4") = 0 [pid 284] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./58/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./58") = 0 [pid 284] mkdir("./59", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 286] <... openat resumed>) = 3 [pid 286] ioctl(3, LOOP_CLR_FD [pid 285] <... openat resumed>) = 3 [pid 286] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 285] ioctl(3, LOOP_CLR_FD [pid 284] <... openat resumed>) = 3 [pid 286] close(3) = 0 [pid 285] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 284] ioctl(3, LOOP_CLR_FD [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2110 ./strace-static-x86_64: Process 2110 attached [pid 2110] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2110] chdir("./61") = 0 [pid 2110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2110] setpgid(0, 0) = 0 [pid 2110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 285] close(3 [pid 284] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 285] <... close resumed>) = 0 [pid 284] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2110] write(3, "1000", 4) = 4 [pid 2110] close(3) = 0 [pid 2110] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 2110] write(1, "executing program\n", 18) = 18 [pid 2110] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2110] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2110] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2110] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2110] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2110] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2111]}, 88) = 2111 [pid 2110] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2110] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2110] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 2112 [pid 284] <... clone resumed>, child_tidptr=0x55557d22a690) = 2113 ./strace-static-x86_64: Process 2112 attached [pid 2112] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2112] chdir("./61") = 0 [pid 2112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2112] setpgid(0, 0) = 0 [pid 2112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2112] write(3, "1000", 4) = 4 [pid 2112] close(3) = 0 [pid 2112] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2112] write(1, "executing program\n", 18executing program ) = 18 [pid 2112] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2112] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2112] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2112] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2112] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2114]}, 88) = 2114 [pid 2112] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2112] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2112] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2114 attached ./strace-static-x86_64: Process 2113 attached [pid 2114] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2114] memfd_create("syzkaller", 0) = 3 [pid 2114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2113] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2113] chdir("./59") = 0 [pid 2113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2113] setpgid(0, 0) = 0 [pid 2113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2113] write(3, "1000", 4) = 4 [pid 2113] close(3) = 0 [pid 2113] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2113] write(1, "executing program\n", 18executing program ) = 18 [pid 2113] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2113] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2113] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2113] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2113] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2115]}, 88) = 2115 ./strace-static-x86_64: Process 2111 attached [pid 2113] rt_sigprocmask(SIG_SETMASK, [], [pid 2111] set_robust_list(0x7fb743f169a0, 24 [pid 2113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2111] <... set_robust_list resumed>) = 0 [pid 2113] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2111] rt_sigprocmask(SIG_SETMASK, [], [pid 2113] <... futex resumed>) = 0 [pid 2113] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2111] memfd_create("syzkaller", 0) = 3 [pid 2111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 ./strace-static-x86_64: Process 2115 attached [pid 2115] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2115] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2115] memfd_create("syzkaller", 0) = 3 [pid 2115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./58/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./58/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./58/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./58/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./58/file4") = 0 [pid 283] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./58/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./58") = 0 [pid 283] mkdir("./59", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2116 [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./60/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./60/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./60/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./60/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./60/file4") = 0 [pid 287] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./60/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./60") = 0 [pid 287] mkdir("./61", 0777) = 0 ./strace-static-x86_64: Process 2116 attached [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 2116] set_robust_list(0x55557d22a6a0, 24 [pid 287] <... openat resumed>) = 3 [pid 2116] <... set_robust_list resumed>) = 0 [pid 287] ioctl(3, LOOP_CLR_FD [pid 2116] chdir("./59" [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 287] close(3 [pid 2116] <... chdir resumed>) = 0 [pid 287] <... close resumed>) = 0 [pid 2116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2116] <... prctl resumed>) = 0 [pid 2116] setpgid(0, 0 [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 2117 [pid 2116] <... setpgid resumed>) = 0 [pid 2116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2116] write(3, "1000", 4) = 4 [pid 2116] close(3) = 0 [pid 2116] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2116] write(1, "executing program\n", 18./strace-static-x86_64: Process 2117 attached executing program ) = 18 [pid 2117] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2117] chdir("./61" [pid 2116] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2117] <... chdir resumed>) = 0 [pid 2116] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 2117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2117] setpgid(0, 0) = 0 [pid 2116] <... rt_sigaction resumed>NULL, 8) = 0 [pid 2116] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 2117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2117] write(3, "1000", 4) = 4 [pid 2117] close(3) = 0 [pid 2117] symlink("/dev/binderfs", "./binderfs" [pid 2116] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2116] rt_sigprocmask(SIG_BLOCK, ~[], [pid 2117] <... symlink resumed>) = 0 executing program [pid 2116] <... rt_sigprocmask resumed>[], 8) = 0 [pid 2117] write(1, "executing program\n", 18) = 18 [pid 2117] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2117] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2116] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 2117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2117] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2117] rt_sigprocmask(SIG_BLOCK, ~[], [pid 2116] <... clone3 resumed> => {parent_tid=[2118]}, 88) = 2118 [pid 2117] <... rt_sigprocmask resumed>[], 8) = 0 [pid 2117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 2116] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2116] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2117] <... clone3 resumed> => {parent_tid=[2119]}, 88) = 2119 [pid 2116] <... futex resumed>) = 0 [pid 2117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2116] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2117] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2117] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2118 attached [pid 2118] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2118] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2118] memfd_create("syzkaller", 0) = 3 [pid 2118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 ./strace-static-x86_64: Process 2119 attached [pid 2119] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2119] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2119] memfd_create("syzkaller", 0) = 3 [pid 2119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2111] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2114] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2115] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2118] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2119] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2111] <... write resumed>) = 20699119 [pid 2111] munmap(0x7fb73baf6000, 138412032 [pid 2114] <... write resumed>) = 20699119 [pid 2111] <... munmap resumed>) = 0 [pid 2111] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 2111] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2111] close(3) = 0 [pid 2111] close(4 [pid 2114] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2114] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 2115] <... write resumed>) = 20699119 [pid 2115] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2115] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 2118] <... write resumed>) = 20699119 [pid 2114] <... openat resumed>) = 4 [pid 2111] <... close resumed>) = 0 [pid 2114] ioctl(4, LOOP_SET_FD, 3 [pid 2111] mkdir("./file4", 0777 [pid 2118] munmap(0x7fb73baf6000, 138412032 [pid 2111] <... mkdir resumed>) = 0 [pid 2111] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2118] <... munmap resumed>) = 0 [pid 2118] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 2119] <... write resumed>) = 20699119 [pid 2119] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2119] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 2115] <... openat resumed>) = 4 [pid 2115] ioctl(4, LOOP_SET_FD, 3 [pid 2114] <... ioctl resumed>) = 0 [pid 2114] close(3) = 0 [pid 2114] close(4) = 0 [pid 2119] <... openat resumed>) = 4 [pid 2118] <... openat resumed>) = 4 [pid 2114] mkdir("./file4", 0777 [pid 2119] ioctl(4, LOOP_SET_FD, 3 [pid 2118] ioctl(4, LOOP_SET_FD, 3 [pid 2115] <... ioctl resumed>) = 0 [pid 2114] <... mkdir resumed>) = 0 [pid 2114] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2115] close(3) = 0 [pid 2115] close(4) = 0 [pid 2115] mkdir("./file4", 0777) = 0 [pid 2115] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2119] <... ioctl resumed>) = 0 [pid 2118] <... ioctl resumed>) = 0 [ 117.651257][ T2111] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 117.662878][ T2114] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 117.672606][ T2111] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 117.677835][ T2114] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 117.681223][ T2115] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [pid 2119] close(3 [pid 2118] close(3 [pid 2119] <... close resumed>) = 0 [pid 2118] <... close resumed>) = 0 [pid 2119] close(4 [pid 2118] close(4 [pid 2119] <... close resumed>) = 0 [pid 2118] <... close resumed>) = 0 [pid 2119] mkdir("./file4", 0777 [pid 2118] mkdir("./file4", 0777 [pid 2119] <... mkdir resumed>) = 0 [pid 2118] <... mkdir resumed>) = 0 [pid 2118] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 117.689066][ T2114] F2FS-fs (loop2): fault_injection options not supported [ 117.705534][ T2114] F2FS-fs (loop2): fault_type options not supported [ 117.712756][ T2118] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 117.713673][ T2111] F2FS-fs (loop3): fault_injection options not supported [ 117.720419][ T2119] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 117.727188][ T2111] F2FS-fs (loop3): fault_type options not supported [ 117.741072][ T2114] F2FS-fs (loop2): invalid crc value [ 117.746115][ T2119] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 117.748102][ T2111] F2FS-fs (loop3): invalid crc value [ 117.755322][ T2118] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 117.760430][ T2115] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 117.769479][ T2119] F2FS-fs (loop4): fault_injection options not supported [ 117.776669][ T2115] F2FS-fs (loop1): fault_injection options not supported [ 117.791687][ T2115] F2FS-fs (loop1): fault_type options not supported [ 117.791961][ T2118] F2FS-fs (loop0): fault_injection options not supported [ 117.799242][ T2119] F2FS-fs (loop4): fault_type options not supported [ 117.808892][ T2114] F2FS-fs (loop2): Found nat_bits in checkpoint [ 117.813417][ T2119] F2FS-fs (loop4): invalid crc value [ 117.824018][ T2115] F2FS-fs (loop1): invalid crc value [ 117.826331][ T2111] F2FS-fs (loop3): Found nat_bits in checkpoint [ 117.829790][ T2118] F2FS-fs (loop0): fault_type options not supported [ 117.843927][ T2118] F2FS-fs (loop0): invalid crc value [ 117.864426][ T2115] F2FS-fs (loop1): Found nat_bits in checkpoint [ 117.871711][ T2119] F2FS-fs (loop4): Found nat_bits in checkpoint [ 117.886738][ T2118] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 2119] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2114] <... mount resumed>) = 0 [pid 2111] <... mount resumed>) = 0 [pid 2111] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2111] chdir("./file4") = 0 [pid 2111] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 2111] ioctl(4, LOOP_CLR_FD) = 0 [ 117.944447][ T2111] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 117.944454][ T2114] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 117.944471][ T2114] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 117.952819][ T2111] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 117.959007][ T2118] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 117.986285][ T2119] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [pid 2111] close(4) = 0 [pid 2114] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2114] chdir("./file4") = 0 [pid 2114] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 2114] ioctl(4, LOOP_CLR_FD) = 0 [pid 2114] close(4) = 0 [pid 2114] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2114] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2119] <... mount resumed>) = 0 [pid 2118] <... mount resumed>) = 0 [pid 2112] <... futex resumed>) = 0 [pid 2111] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2118] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 2112] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2111] <... futex resumed>) = 1 [pid 2110] <... futex resumed>) = 0 [pid 2118] <... openat resumed>) = 3 [pid 2112] <... futex resumed>) = 1 [pid 2111] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2110] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2118] chdir("./file4" [pid 2114] <... futex resumed>) = 0 [pid 2112] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2110] <... futex resumed>) = 0 [pid 2118] <... chdir resumed>) = 0 [pid 2110] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2118] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 2118] ioctl(4, LOOP_CLR_FD) = 0 [pid 2118] close(4) = 0 [pid 2114] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2118] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2118] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2119] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2119] chdir("./file4") = 0 [pid 2119] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 2119] ioctl(4, LOOP_CLR_FD) = 0 [pid 2119] close(4) = 0 [pid 2119] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2117] <... futex resumed>) = 0 [pid 2117] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2117] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2119] <... futex resumed>) = 1 [ 117.993352][ T2119] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 117.995791][ T2118] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 118.005470][ T2115] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 118.012578][ T2111] F2FS-fs (loop3): switch discard_unit option is not allowed [ 118.024046][ T2115] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 118.031353][ T2119] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 2119] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2111] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2111] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2110] <... futex resumed>) = 0 [pid 2110] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2110] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2111] <... futex resumed>) = 1 [pid 2111] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2111] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2110] <... futex resumed>) = 0 [pid 2110] exit_group(0) = ? [pid 2111] <... futex resumed>) = ? [pid 2111] +++ exited with 0 +++ [pid 2110] +++ exited with 0 +++ [pid 2119] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2119] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2117] <... futex resumed>) = 0 [pid 2117] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2117] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2119] <... futex resumed>) = 1 [pid 2119] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2119] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2117] <... futex resumed>) = 0 [pid 2117] exit_group(0) = ? [pid 2119] <... futex resumed>) = ? [pid 2119] +++ exited with 0 +++ [pid 2117] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2117, si_uid=0, si_status=0, si_utime=12, si_stime=17} --- [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 2116] <... futex resumed>) = 0 [pid 2115] <... mount resumed>) = 0 [pid 2115] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2115] chdir("./file4") = 0 [pid 2115] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 2115] ioctl(4, LOOP_CLR_FD) = 0 [pid 2115] close(4) = 0 [pid 2115] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2115] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 287] <... restart_syscall resumed>) = 0 [pid 287] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./61/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2113] <... futex resumed>) = 0 [pid 2116] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2113] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2110, si_uid=0, si_status=0, si_utime=8, si_stime=19} --- [pid 2118] <... futex resumed>) = 0 [pid 2116] <... futex resumed>) = 1 [pid 2113] <... futex resumed>) = 1 [pid 286] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2118] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2116] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2114] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2113] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2114] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2115] <... futex resumed>) = 0 [pid 2115] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2118] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2114] <... futex resumed>) = 1 [pid 286] <... openat resumed>) = 3 [pid 2114] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 286] newfstatat(3, "", [pid 2112] <... futex resumed>) = 0 [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 2112] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] getdents64(3, [pid 2112] <... futex resumed>) = 1 [pid 2114] <... futex resumed>) = 0 [pid 2112] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 286] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 2118] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2115] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2114] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 286] umount2("./61/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2114] <... symlink resumed>) = 0 [pid 2114] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2114] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2112] <... futex resumed>) = 0 [pid 2112] exit_group(0 [pid 2114] <... futex resumed>) = ? [pid 2112] <... exit_group resumed>) = ? [pid 2114] +++ exited with 0 +++ [pid 2112] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2112, si_uid=0, si_status=0, si_utime=11, si_stime=19} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 2115] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2118] <... futex resumed>) = 1 [pid 2115] <... futex resumed>) = 1 [pid 2118] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2115] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2116] <... futex resumed>) = 0 [pid 2113] <... futex resumed>) = 0 [pid 2116] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2113] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2118] <... futex resumed>) = 0 [pid 2116] <... futex resumed>) = 1 [pid 2115] <... futex resumed>) = 0 [pid 2113] <... futex resumed>) = 1 [pid 2118] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2115] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2116] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2113] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2118] <... symlink resumed>) = 0 [pid 285] <... restart_syscall resumed>) = 0 [pid 2115] <... symlink resumed>) = 0 [pid 2118] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2115] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2118] <... futex resumed>) = 1 [pid 2115] <... futex resumed>) = 1 [pid 2118] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2115] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2116] <... futex resumed>) = 0 [pid 2113] <... futex resumed>) = 0 [pid 2116] exit_group(0 [pid 2113] exit_group(0 [pid 285] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2118] <... futex resumed>) = ? [pid 2116] <... exit_group resumed>) = ? [pid 2115] <... futex resumed>) = ? [pid 2113] <... exit_group resumed>) = ? [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2118] +++ exited with 0 +++ [pid 2115] +++ exited with 0 +++ [pid 2116] +++ exited with 0 +++ [pid 2113] +++ exited with 0 +++ [pid 285] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2113, si_uid=0, si_status=0, si_utime=7, si_stime=23} --- [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2116, si_uid=0, si_status=0, si_utime=8, si_stime=23} --- [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./61/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] <... restart_syscall resumed>) = 0 [pid 283] <... restart_syscall resumed>) = 0 [pid 284] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 283] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 284] <... openat resumed>) = 3 [pid 283] <... openat resumed>) = 3 [pid 284] newfstatat(3, "", [pid 283] newfstatat(3, "", [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, [pid 283] getdents64(3, [pid 284] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./59/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 118.036176][ T2114] F2FS-fs (loop2): switch discard_unit option is not allowed [ 118.056383][ T2118] F2FS-fs (loop0): switch discard_unit option is not allowed [ 118.072366][ T2115] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 283] umount2("./59/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./61/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./61/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./61/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./61/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./61/file4") = 0 [pid 287] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./61/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./61") = 0 [pid 287] mkdir("./62", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./61/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./61/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./61/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./61/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./61/file4") = 0 [pid 285] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./61/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./61") = 0 [pid 285] mkdir("./62", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./61/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./61/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./61/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./61/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./61/file4") = 0 [pid 286] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./61/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./61") = 0 [pid 286] mkdir("./62", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWRexecuting program [pid 287] <... openat resumed>) = 3 [pid 285] <... openat resumed>) = 3 [pid 287] ioctl(3, LOOP_CLR_FD [pid 285] ioctl(3, LOOP_CLR_FD [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 285] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 287] close(3 [pid 285] close(3 [pid 287] <... close resumed>) = 0 [pid 285] <... close resumed>) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 2140 [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 2141 ./strace-static-x86_64: Process 2141 attached [pid 2141] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2141] chdir("./62") = 0 [pid 2141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2141] setpgid(0, 0) = 0 [pid 2141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2141] write(3, "1000", 4) = 4 [pid 2141] close(3) = 0 [pid 2141] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 2140 attached [pid 2140] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2140] chdir("./62" [pid 2141] <... symlink resumed>) = 0 [pid 2141] write(1, "executing program\n", 18) = 18 [pid 2141] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2140] <... chdir resumed>) = 0 [pid 2140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2140] setpgid(0, 0 [pid 2141] <... futex resumed>) = 0 [pid 2141] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2140] <... setpgid resumed>) = 0 [pid 2141] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2141] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2141] rt_sigprocmask(SIG_BLOCK, ~[], [pid 2140] <... openat resumed>) = 3 [pid 2141] <... rt_sigprocmask resumed>[], 8) = 0 [pid 2141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 2140] write(3, "1000", 4) = 4 [pid 2140] close(3) = 0 [pid 2140] symlink("/dev/binderfs", "./binderfs" [pid 2141] <... clone3 resumed> => {parent_tid=[2142]}, 88) = 2142 [pid 2141] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2141] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2141] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 286] <... openat resumed>) = 3 [pid 286] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 2142 attached ) = -1 ENXIO (No such device or address) [pid 2142] set_robust_list(0x7fb743f169a0, 24 [pid 286] close(3 [pid 2142] <... set_robust_list resumed>) = 0 [pid 286] <... close resumed>) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2143 [pid 2142] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2140] <... symlink resumed>) = 0 executing program [pid 2140] write(1, "executing program\n", 18) = 18 [pid 2140] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2140] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2140] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2140] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 2142] memfd_create("syzkaller", 0) = 3 [pid 2140] <... mprotect resumed>) = 0 [pid 2142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 2140] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 2142] <... mmap resumed>) = 0x7fb73baf6000 [pid 2140] <... clone3 resumed> => {parent_tid=[2144]}, 88) = 2144 [pid 2140] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2140] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 0 [pid 2140] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2143 attached [pid 2143] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2143] chdir("./62") = 0 [pid 2143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2143] setpgid(0, 0) = 0 [pid 2143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2143] write(3, "1000", 4) = 4 [pid 2143] close(3) = 0 [pid 2143] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2143] write(1, "executing program\n", 18) = 18 [pid 2143] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2143] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2143] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2143] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2143] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2143] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2143] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2145]}, 88) = 2145 [pid 2143] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2143] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2143] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2145 attached [pid 2145] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2145] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 2144 attached [pid 2145] memfd_create("syzkaller", 0 [pid 2144] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2145] <... memfd_create resumed>) = 3 [pid 2144] rt_sigprocmask(SIG_SETMASK, [], [pid 2145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2144] memfd_create("syzkaller", 0) = 3 [pid 2144] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./59/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./59/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./59/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./59/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./59/file4") = 0 [pid 283] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./59/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./59") = 0 [pid 283] mkdir("./60", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2146 [pid 284] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 2146 attached [pid 2146] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2146] chdir("./60") = 0 [pid 2146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2146] setpgid(0, 0) = 0 [pid 2146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2146] write(3, "1000", 4) = 4 [pid 2146] close(3) = 0 [pid 2146] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 2146] write(1, "executing program\n", 18) = 18 [pid 2146] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2146] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2146] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2146] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2146] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2146] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2147]}, 88) = 2147 [pid 2146] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2146] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2146] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2147 attached [pid 284] umount2("./59/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 2147] set_robust_list(0x7fb743f169a0, 24 [pid 284] newfstatat(AT_FDCWD, "./59/file4", [pid 2147] <... set_robust_list resumed>) = 0 [pid 2147] rt_sigprocmask(SIG_SETMASK, [], [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./59/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./59/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", [pid 2147] memfd_create("syzkaller", 0 [pid 284] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 2147] <... memfd_create resumed>) = 3 [pid 2147] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 284] getdents64(4, [pid 2147] <... mmap resumed>) = 0x7fb73baf6000 [pid 284] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./59/file4") = 0 [pid 284] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./59/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./59") = 0 [pid 284] mkdir("./60", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2148 ./strace-static-x86_64: Process 2148 attached [pid 2148] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2148] chdir("./60") = 0 [pid 2148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2148] setpgid(0, 0) = 0 [pid 2148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2148] write(3, "1000", 4) = 4 [pid 2148] close(3) = 0 [pid 2148] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 2148] write(1, "executing program\n", 18) = 18 [pid 2148] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2148] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2148] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2148] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2148] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2149]}, 88) = 2149 [pid 2148] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2148] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2148] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2149 attached [pid 2149] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2149] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2149] memfd_create("syzkaller", 0) = 3 [pid 2149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2145] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2142] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2144] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2145] <... write resumed>) = 20699119 [pid 2145] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2145] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 2145] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2145] close(3) = 0 [pid 2145] close(4) = 0 [pid 2145] mkdir("./file4", 0777) = 0 [pid 2145] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2149] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [ 118.760247][ T2145] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 118.785778][ T2145] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [pid 2147] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2144] <... write resumed>) = 20699119 [pid 2144] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2144] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 2144] ioctl(4, LOOP_SET_FD, 3 [pid 2142] <... write resumed>) = 20699119 [pid 2142] munmap(0x7fb73baf6000, 138412032 [pid 2144] <... ioctl resumed>) = 0 [pid 2144] close(3) = 0 [pid 2144] close(4) = 0 [pid 2144] mkdir("./file4", 0777) = 0 [ 118.804909][ T2145] F2FS-fs (loop3): fault_injection options not supported [ 118.824902][ T2145] F2FS-fs (loop3): fault_type options not supported [pid 2144] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2142] <... munmap resumed>) = 0 [pid 2142] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 2142] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2142] close(3) = 0 [pid 2142] close(4) = 0 [pid 2142] mkdir("./file4", 0777) = 0 [ 118.851284][ T2145] F2FS-fs (loop3): invalid crc value [ 118.858784][ T2144] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 118.860635][ T2142] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 118.873264][ T2142] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 118.881708][ T2142] F2FS-fs (loop2): fault_injection options not supported [ 118.881806][ T2144] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 118.889369][ T2142] F2FS-fs (loop2): fault_type options not supported [ 118.906172][ T2142] F2FS-fs (loop2): invalid crc value [ 118.911991][ T2144] F2FS-fs (loop4): fault_injection options not supported [ 118.920439][ T2144] F2FS-fs (loop4): fault_type options not supported [ 118.929357][ T2142] F2FS-fs (loop2): Found nat_bits in checkpoint [ 118.943353][ T2145] F2FS-fs (loop3): Found nat_bits in checkpoint [ 118.949773][ T2144] F2FS-fs (loop4): invalid crc value [pid 2142] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"...) = 0 [pid 2142] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2142] chdir("./file4") = 0 [pid 2142] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 2142] ioctl(4, LOOP_CLR_FD) = 0 [pid 2142] close(4) = 0 [pid 2142] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2141] <... futex resumed>) = 0 [pid 2142] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2141] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2141] <... futex resumed>) = 0 [pid 2142] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2141] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2142] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2142] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2141] <... futex resumed>) = 0 [pid 2141] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2141] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2142] <... futex resumed>) = 1 [pid 2142] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2142] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2141] <... futex resumed>) = 0 [pid 2141] exit_group(0) = ? [pid 2142] <... futex resumed>) = ? [pid 2142] +++ exited with 0 +++ [pid 2141] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2141, si_uid=0, si_status=0, si_utime=13, si_stime=14} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./62/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2147] <... write resumed>) = 20699119 [pid 2147] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2147] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 2147] ioctl(4, LOOP_SET_FD, 3 [pid 2149] <... write resumed>) = 20699119 [ 118.976319][ T2142] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 118.985939][ T2142] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 119.000666][ T2142] F2FS-fs (loop2): switch discard_unit option is not allowed [ 119.016752][ T2144] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 2149] munmap(0x7fb73baf6000, 138412032 [pid 2147] <... ioctl resumed>) = 0 [pid 2147] close(3) = 0 [pid 2147] close(4) = 0 [pid 2147] mkdir("./file4", 0777) = 0 [pid 2147] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2149] <... munmap resumed>) = 0 [pid 2149] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 2149] ioctl(4, LOOP_SET_FD, 3 [pid 2145] <... mount resumed>) = 0 [pid 2145] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2145] chdir("./file4") = 0 [ 119.053670][ T2145] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 119.062665][ T2147] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 119.069854][ T2145] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 119.086671][ T2147] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 119.095051][ T2147] F2FS-fs (loop0): fault_injection options not supported [pid 2145] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 2149] <... ioctl resumed>) = 0 [pid 2145] <... openat resumed>) = 4 [pid 2149] close(3) = 0 [pid 2149] close(4) = 0 [pid 2149] mkdir("./file4", 0777) = 0 [pid 2145] ioctl(4, LOOP_CLR_FD) = 0 [pid 2145] close(4 [pid 2149] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2145] <... close resumed>) = 0 [pid 2145] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2145] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2143] <... futex resumed>) = 0 [pid 2143] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2145] <... futex resumed>) = 0 [pid 2143] <... futex resumed>) = 1 [pid 2145] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2143] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2145] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2145] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2145] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2143] <... futex resumed>) = 0 [pid 2143] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2143] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2145] <... futex resumed>) = 0 [pid 2145] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2145] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2143] <... futex resumed>) = 0 [pid 2143] exit_group(0) = ? [pid 2145] <... futex resumed>) = ? [pid 2145] +++ exited with 0 +++ [pid 2143] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2143, si_uid=0, si_status=0, si_utime=7, si_stime=21} --- [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 2144] <... mount resumed>) = 0 [pid 2144] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2144] chdir("./file4") = 0 [pid 2144] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 286] <... restart_syscall resumed>) = 0 [pid 286] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 119.103581][ T2147] F2FS-fs (loop0): fault_type options not supported [ 119.116028][ T2147] F2FS-fs (loop0): invalid crc value [ 119.116081][ T2144] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 119.129546][ T2145] F2FS-fs (loop3): switch discard_unit option is not allowed [ 119.135019][ T2144] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 119.143805][ T2147] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 286] umount2("./62/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2144] <... openat resumed>) = 4 [pid 2144] ioctl(4, LOOP_CLR_FD) = 0 [pid 2144] close(4) = 0 [pid 2144] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2140] <... futex resumed>) = 0 [pid 2144] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2140] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2140] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2144] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2144] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2140] <... futex resumed>) = 0 [pid 2140] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2144] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2140] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2144] <... symlink resumed>) = 0 [pid 2144] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2140] <... futex resumed>) = 0 [pid 2140] exit_group(0) = ? [pid 2144] +++ exited with 0 +++ [pid 2140] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2140, si_uid=0, si_status=0, si_utime=7, si_stime=17} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 119.171646][ T2149] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 119.185295][ T2144] F2FS-fs (loop4): switch discard_unit option is not allowed [ 119.196099][ T2149] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [pid 287] umount2("./62/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./62/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./62/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./62/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./62/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./62/file4") = 0 [pid 285] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./62/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./62") = 0 [pid 285] mkdir("./63", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2167 ./strace-static-x86_64: Process 2167 attached [pid 2167] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2167] chdir("./63") = 0 [pid 2167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2167] setpgid(0, 0) = 0 [pid 2167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2167] write(3, "1000", 4) = 4 [pid 2167] close(3) = 0 [pid 2167] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2167] write(1, "executing program\n", 18executing program ) = 18 [pid 2167] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2167] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2167] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2167] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2167] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2167] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2168]}, 88) = 2168 [pid 2167] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2167] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2167] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2168 attached [pid 2168] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2168] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2168] memfd_create("syzkaller", 0) = 3 [pid 2168] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2147] <... mount resumed>) = 0 [pid 2147] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2147] chdir("./file4") = 0 [pid 2147] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 2147] ioctl(4, LOOP_CLR_FD) = 0 [pid 2147] close(4) = 0 [pid 2147] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2146] <... futex resumed>) = 0 [pid 2147] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2146] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2147] <... futex resumed>) = 0 [pid 2146] <... futex resumed>) = 1 [pid 2147] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 119.236293][ T2147] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 119.243401][ T2147] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 119.251508][ T2149] F2FS-fs (loop1): fault_injection options not supported [ 119.270680][ T2149] F2FS-fs (loop1): fault_type options not supported [pid 2146] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2147] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2147] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2146] <... futex resumed>) = 0 [pid 2147] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2146] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2146] <... futex resumed>) = 0 [pid 2147] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2146] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2147] <... symlink resumed>) = 0 [pid 2147] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2146] <... futex resumed>) = 0 [pid 2147] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2146] exit_group(0 [pid 2147] <... futex resumed>) = ? [pid 2146] <... exit_group resumed>) = ? [pid 2147] +++ exited with 0 +++ [pid 2146] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2146, si_uid=0, si_status=0, si_utime=8, si_stime=21} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 119.308727][ T2147] F2FS-fs (loop0): switch discard_unit option is not allowed [ 119.327818][ T2149] F2FS-fs (loop1): invalid crc value [pid 283] umount2("./60/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 119.356770][ T2149] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 2168] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./62/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./62/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./62/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./62/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./62/file4") = 0 [pid 286] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./62/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./62") = 0 [pid 286] mkdir("./63", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2172 [pid 287] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 2172 attached [pid 2172] set_robust_list(0x55557d22a6a0, 24 [pid 2149] <... mount resumed>) = 0 [pid 287] umount2("./62/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2172] <... set_robust_list resumed>) = 0 [pid 2172] chdir("./63" [pid 2149] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2172] <... chdir resumed>) = 0 [pid 2172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2149] <... openat resumed>) = 3 [pid 287] newfstatat(AT_FDCWD, "./62/file4", [pid 2172] <... prctl resumed>) = 0 [pid 2172] setpgid(0, 0 [pid 2149] chdir("./file4" [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2172] <... setpgid resumed>) = 0 [pid 2172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2149] <... chdir resumed>) = 0 [pid 287] umount2("./62/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2172] <... openat resumed>) = 3 [pid 2149] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2172] write(3, "1000", 4) = 4 [pid 2149] <... openat resumed>) = 4 [pid 287] openat(AT_FDCWD, "./62/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2172] close(3) = 0 [pid 2149] ioctl(4, LOOP_CLR_FD [pid 287] <... openat resumed>) = 4 [pid 2172] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 287] newfstatat(4, "", [pid 2172] write(1, "executing program\n", 18 [pid 2149] <... ioctl resumed>) = 0 [pid 2172] <... write resumed>) = 18 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 2172] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2149] close(4 [pid 2172] <... futex resumed>) = 0 [pid 287] getdents64(4, [pid 2172] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 2149] <... close resumed>) = 0 [pid 2172] <... rt_sigaction resumed>NULL, 8) = 0 [pid 2149] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 2172] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 2149] <... futex resumed>) = 1 [pid 287] getdents64(4, [pid 2172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2149] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 287] <... getdents64 resumed>0x55557d233770 /* 0 entries */, 32768) = 0 [pid 2172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 287] close(4 [pid 2172] <... mmap resumed>) = 0x7fb743ef6000 [pid 2148] <... futex resumed>) = 0 [pid 287] <... close resumed>) = 0 [pid 2172] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 287] rmdir("./62/file4" [pid 2172] <... mprotect resumed>) = 0 [pid 2148] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 287] <... rmdir resumed>) = 0 [pid 2172] rt_sigprocmask(SIG_BLOCK, ~[], [pid 2149] <... futex resumed>) = 0 [pid 287] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2172] <... rt_sigprocmask resumed>[], 8) = 0 [pid 2149] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2172] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2148] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 287] newfstatat(AT_FDCWD, "./62/binderfs", [pid 2172] <... clone3 resumed> => {parent_tid=[2173]}, 88) = 2173 [pid 287] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2172] rt_sigprocmask(SIG_SETMASK, [], [pid 287] unlink("./62/binderfs" [pid 2172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2172] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... unlink resumed>) = 0 [pid 2172] <... futex resumed>) = 0 [pid 287] getdents64(3, [pid 2172] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 287] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 2173 attached [pid 2149] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 287] close(3 [pid 2173] set_robust_list(0x7fb743f169a0, 24 [pid 2149] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... close resumed>) = 0 [pid 2173] <... set_robust_list resumed>) = 0 [pid 2149] <... futex resumed>) = 1 [pid 2148] <... futex resumed>) = 0 [pid 287] rmdir("./62" [pid 2148] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2173] rt_sigprocmask(SIG_SETMASK, [], [pid 2148] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2149] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 287] <... rmdir resumed>) = 0 [pid 2173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 287] mkdir("./63", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 2173] memfd_create("syzkaller", 0 [pid 287] <... openat resumed>) = 3 [pid 2173] <... memfd_create resumed>) = 3 [pid 287] ioctl(3, LOOP_CLR_FD [pid 2173] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 2149] <... symlink resumed>) = 0 [pid 287] close(3 [pid 2173] <... mmap resumed>) = 0x7fb73baf6000 [pid 2149] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... close resumed>) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2149] <... futex resumed>) = 1 [pid 2149] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 2174 [pid 2148] <... futex resumed>) = 0 [pid 2148] exit_group(0) = ? [pid 2149] <... futex resumed>) = ? [pid 2149] +++ exited with 0 +++ [pid 2148] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2148, si_uid=0, si_status=0, si_utime=11, si_stime=16} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./60/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 2174 attached [pid 2174] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2174] chdir("./63") = 0 [pid 2174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2174] setpgid(0, 0) = 0 [pid 2174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2174] write(3, "1000", 4) = 4 [pid 2174] close(3) = 0 [pid 2174] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2174] write(1, "executing program\n", 18executing program ) = 18 [pid 2174] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2174] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2174] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2174] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2174] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2174] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2175]}, 88) = 2175 [pid 2174] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2174] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 119.456767][ T2149] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 119.463858][ T2149] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 119.491422][ T2149] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 2174] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2175 attached [pid 2175] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2175] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2175] memfd_create("syzkaller", 0) = 3 [pid 2175] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./60/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./60/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./60/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./60/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./60/file4") = 0 [pid 283] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./60/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./60") = 0 [pid 283] mkdir("./61", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2176 [pid 2168] <... write resumed>) = 20699119 [pid 2168] munmap(0x7fb73baf6000, 138412032./strace-static-x86_64: Process 2176 attached [pid 2176] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2176] chdir("./61") = 0 [pid 2176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2176] setpgid(0, 0) = 0 [pid 2176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2176] write(3, "1000", 4) = 4 executing program [pid 2176] close(3) = 0 [pid 2176] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2176] write(1, "executing program\n", 18) = 18 [pid 2176] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2176] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2176] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2176] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2176] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2176] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2177]}, 88) = 2177 [pid 2176] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2176] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2176] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2168] <... munmap resumed>) = 0 [pid 2168] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 2177 attached [pid 2177] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2177] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2177] memfd_create("syzkaller", 0) = 3 [pid 2177] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2168] <... openat resumed>) = 4 [pid 2168] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2168] close(3) = 0 [pid 2168] close(4) = 0 [pid 2168] mkdir("./file4", 0777) = 0 [ 119.645463][ T2168] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 119.655802][ T2168] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 119.664263][ T2168] F2FS-fs (loop2): fault_injection options not supported [ 119.671433][ T2168] F2FS-fs (loop2): fault_type options not supported [ 119.679767][ T2168] F2FS-fs (loop2): invalid crc value [pid 2168] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 119.710258][ T2168] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 2175] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./60/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./60/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./60/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./60/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./60/file4") = 0 [pid 284] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./60/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./60") = 0 [pid 284] mkdir("./61", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3 [pid 2168] <... mount resumed>) = 0 [pid 284] <... close resumed>) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2182 [pid 2168] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2168] chdir("./file4") = 0 [pid 2168] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 2168] ioctl(4, LOOP_CLR_FD) = 0 [pid 2168] close(4) = 0 [pid 2168] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2167] <... futex resumed>) = 0 [pid 2168] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2167] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2168] <... futex resumed>) = 0 [pid 2167] <... futex resumed>) = 1 [pid 2168] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2167] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 2182 attached [pid 2173] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2168] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2182] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2182] chdir("./61") = 0 [pid 2182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2182] setpgid(0, 0) = 0 [pid 2182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2182] write(3, "1000", 4) = 4 [pid 2182] close(3) = 0 [pid 2182] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2182] write(1, "executing program\n", 18executing program ) = 18 [pid 2182] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2182] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2182] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2182] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2182] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2182] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 2168] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2167] <... futex resumed>) = 0 [pid 2168] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2167] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2167] <... futex resumed>) = 0 [pid 2168] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2167] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2182] <... clone3 resumed> => {parent_tid=[2183]}, 88) = 2183 [pid 2182] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2182] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 119.790770][ T2168] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 119.797951][ T2168] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 119.820184][ T2168] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 2182] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2183 attached [pid 2183] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2183] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2183] memfd_create("syzkaller", 0) = 3 [pid 2183] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2167] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 2167] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 2168] <... symlink resumed>) = 0 [pid 2168] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2168] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2167] exit_group(0 [pid 2168] <... futex resumed>) = ? [pid 2167] <... exit_group resumed>) = ? [pid 2168] +++ exited with 0 +++ [pid 2167] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2167, si_uid=0, si_status=0, si_utime=5, si_stime=23} --- [ 119.847582][ T2168] handle_bad_sector: 32 callbacks suppressed [ 119.847596][ T2168] attempt to access beyond end of device [ 119.847596][ T2168] loop2: rw=2049, want=53256, limit=40427 [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./63/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2175] <... write resumed>) = 20699119 [pid 2175] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2175] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 2175] ioctl(4, LOOP_SET_FD, 3 [ 119.914198][ T285] attempt to access beyond end of device [ 119.914198][ T285] loop2: rw=2049, want=45104, limit=40427 [pid 2177] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2175] <... ioctl resumed>) = 0 [pid 2175] close(3) = 0 [pid 2175] close(4) = 0 [pid 2175] mkdir("./file4", 0777) = 0 [pid 2175] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2173] <... write resumed>) = 20699119 [pid 2173] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2173] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 2173] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2173] close(3) = 0 [pid 2173] close(4) = 0 [pid 2173] mkdir("./file4", 0777) = 0 [ 119.979744][ T2175] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 119.989163][ T2175] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 119.997526][ T2175] F2FS-fs (loop4): fault_injection options not supported [ 120.004713][ T2175] F2FS-fs (loop4): fault_type options not supported [ 120.012534][ T2175] F2FS-fs (loop4): invalid crc value [pid 2173] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 120.046250][ T2175] F2FS-fs (loop4): Found nat_bits in checkpoint [ 120.083175][ T2173] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [pid 2183] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2177] <... write resumed>) = 20699119 [pid 2177] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2177] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 120.104107][ T2173] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 120.134762][ T2173] F2FS-fs (loop3): fault_injection options not supported [pid 2177] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2177] close(3) = 0 [pid 2177] close(4) = 0 [pid 2177] mkdir("./file4", 0777) = 0 [pid 2177] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2183] <... write resumed>) = 20699119 [ 120.171135][ T2173] F2FS-fs (loop3): fault_type options not supported [ 120.181131][ T2177] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 120.186813][ T2173] F2FS-fs (loop3): invalid crc value [ 120.196712][ T2175] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 120.201596][ T2177] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 120.204093][ T2175] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 2183] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2183] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 2183] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2183] close(3) = 0 [pid 2183] close(4 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./63/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./63/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./63/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./63/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./63/file4") = 0 [pid 285] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./63/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./63") = 0 [pid 285] mkdir("./64", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 2175] <... mount resumed>) = 0 [pid 2175] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2175] chdir("./file4") = 0 [pid 2175] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 2183] <... close resumed>) = 0 [pid 285] <... openat resumed>) = 3 [pid 2183] mkdir("./file4", 0777 [pid 285] ioctl(3, LOOP_CLR_FD [pid 2183] <... mkdir resumed>) = 0 [ 120.213013][ T2177] F2FS-fs (loop0): fault_injection options not supported [ 120.228730][ T2177] F2FS-fs (loop0): fault_type options not supported [ 120.236673][ T2173] F2FS-fs (loop3): Found nat_bits in checkpoint [ 120.240714][ T2177] F2FS-fs (loop0): invalid crc value [ 120.249925][ T2177] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 2183] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2173] <... mount resumed>) = 0 [pid 2173] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2173] chdir("./file4") = 0 [pid 2173] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 2177] <... mount resumed>) = 0 [pid 2175] <... openat resumed>) = 4 [pid 2173] <... openat resumed>) = 4 [pid 285] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 2175] ioctl(4, LOOP_CLR_FD [pid 2173] ioctl(4, LOOP_CLR_FD [pid 285] close(3 [pid 2175] <... ioctl resumed>) = 0 [pid 2173] <... ioctl resumed>) = 0 [pid 285] <... close resumed>) = 0 [pid 2175] close(4 [pid 2173] close(4 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2175] <... close resumed>) = 0 [pid 2173] <... close resumed>) = 0 [pid 2175] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2173] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 2197 [pid 2175] <... futex resumed>) = 1 [pid 2173] <... futex resumed>) = 1 [pid 2172] <... futex resumed>) = 0 [pid 2175] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2173] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2172] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2174] <... futex resumed>) = 0 [pid 2173] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2172] <... futex resumed>) = 0 [pid 2174] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2172] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2175] <... futex resumed>) = 0 [pid 2174] <... futex resumed>) = 1 [pid 2173] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2175] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2173] <... futex resumed>) = 1 [pid 2172] <... futex resumed>) = 0 [pid 2174] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 120.276153][ T2173] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 120.283567][ T2173] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 120.293414][ T2177] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 120.300517][ T2177] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 120.310847][ T2173] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 2177] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2177] chdir("./file4") = 0 [pid 2177] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 2177] ioctl(4, LOOP_CLR_FD) = 0 [pid 2177] close(4) = 0 [pid 2177] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2176] <... futex resumed>) = 0 [pid 2176] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2176] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2177] <... futex resumed>) = 1 [pid 2177] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2175] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2172] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2175] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2172] <... futex resumed>) = 0 [pid 2175] <... futex resumed>) = 1 [pid 2172] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2175] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2174] <... futex resumed>) = 0 [pid 2174] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2175] <... futex resumed>) = 0 [pid 2174] <... futex resumed>) = 1 [pid 2175] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2174] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2173] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0"./strace-static-x86_64: Process 2197 attached [pid 2177] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2175] <... symlink resumed>) = 0 [pid 2197] set_robust_list(0x55557d22a6a0, 24 [pid 2177] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2175] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2197] <... set_robust_list resumed>) = 0 [pid 2177] <... futex resumed>) = 1 [pid 2176] <... futex resumed>) = 0 [pid 2175] <... futex resumed>) = 1 [pid 2174] <... futex resumed>) = 0 [pid 2197] chdir("./64" [pid 2177] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2176] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [ 120.327770][ T2175] F2FS-fs (loop4): switch discard_unit option is not allowed [ 120.332973][ T2177] F2FS-fs (loop0): switch discard_unit option is not allowed [ 120.344538][ T2175] attempt to access beyond end of device [ 120.344538][ T2175] loop4: rw=2049, want=53256, limit=40427 [ 120.346021][ T2173] attempt to access beyond end of device [ 120.346021][ T2173] loop3: rw=2049, want=53256, limit=40427 [ 120.369051][ T2177] attempt to access beyond end of device [pid 2175] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2174] exit_group(0 [pid 2197] <... chdir resumed>) = 0 [pid 2176] <... futex resumed>) = 0 [pid 2175] <... futex resumed>) = ? [pid 2174] <... exit_group resumed>) = ? [pid 2197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2176] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2175] +++ exited with 0 +++ [pid 2174] +++ exited with 0 +++ [pid 2197] <... prctl resumed>) = 0 [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2174, si_uid=0, si_status=0, si_utime=5, si_stime=20} --- [pid 2197] setpgid(0, 0 [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 2197] <... setpgid resumed>) = 0 [pid 2197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2197] write(3, "1000", 4) = 4 [pid 2177] <... symlink resumed>) = 0 [pid 2173] <... symlink resumed>) = 0 [pid 2197] close(3 [pid 2177] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2197] <... close resumed>) = 0 [pid 2177] <... futex resumed>) = 1 [pid 2176] <... futex resumed>) = 0 [pid 2197] symlink("/dev/binderfs", "./binderfs" [pid 2173] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2177] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2176] exit_group(0 [pid 2197] <... symlink resumed>) = 0 [pid 2177] <... futex resumed>) = ? [pid 2176] <... exit_group resumed>) = ? [pid 2173] <... futex resumed>) = 1 [pid 2172] <... futex resumed>) = 0 [pid 2197] write(1, "executing program\n", 18 [pid 2177] +++ exited with 0 +++ [pid 2176] +++ exited with 0 +++ [pid 2173] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2172] exit_group(0 [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2176, si_uid=0, si_status=0, si_utime=7, si_stime=24} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 287] <... restart_syscall resumed>) = 0 [pid 283] <... restart_syscall resumed>) = 0 [pid 287] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] <... openat resumed>) = 3 [pid 283] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program [pid 2197] <... write resumed>) = 18 [pid 2173] <... futex resumed>) = ? [pid 2172] <... exit_group resumed>) = ? [pid 287] newfstatat(3, "", [pid 283] <... openat resumed>) = 3 [pid 2197] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2173] +++ exited with 0 +++ [pid 2172] +++ exited with 0 +++ [pid 2197] <... futex resumed>) = 0 [pid 2197] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2197] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2197] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2197] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2198]}, 88) = 2198 [pid 2197] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2197] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2197] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2198 attached [pid 2198] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2198] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2198] memfd_create("syzkaller", 0) = 3 [pid 2198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] newfstatat(3, "", [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2172, si_uid=0, si_status=0, si_utime=10, si_stime=20} --- [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] umount2("./61/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] umount2("./63/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 120.369051][ T2177] loop0: rw=2049, want=53256, limit=40427 [ 120.369392][ T2183] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 120.394581][ T2183] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 120.403165][ T2183] F2FS-fs (loop1): fault_injection options not supported [ 120.412669][ T2183] F2FS-fs (loop1): fault_type options not supported [ 120.420677][ T283] attempt to access beyond end of device [ 120.420677][ T283] loop0: rw=2049, want=45104, limit=40427 [ 120.432163][ T287] attempt to access beyond end of device [ 120.432163][ T287] loop4: rw=2049, want=45104, limit=40427 [ 120.444005][ T286] attempt to access beyond end of device [ 120.444005][ T286] loop3: rw=2049, want=45104, limit=40427 [ 120.451678][ T2183] F2FS-fs (loop1): invalid crc value [ 120.472091][ T2183] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 286] umount2("./63/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2198] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 283] <... umount2 resumed>) = 0 [pid 2183] <... mount resumed>) = 0 [pid 283] umount2("./61/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2183] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2183] <... openat resumed>) = 3 [pid 283] newfstatat(AT_FDCWD, "./61/file4", [pid 2183] chdir("./file4" [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2183] <... chdir resumed>) = 0 [pid 2183] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 283] umount2("./61/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./61/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./61/file4") = 0 [pid 283] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./61/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./61") = 0 [pid 283] mkdir("./62", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 2183] <... openat resumed>) = 4 [pid 283] <... openat resumed>) = 3 [pid 2183] ioctl(4, LOOP_CLR_FD [pid 283] ioctl(3, LOOP_CLR_FD [pid 2183] <... ioctl resumed>) = 0 [pid 283] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 2183] close(4 [pid 283] close(3 [pid 2183] <... close resumed>) = 0 [pid 287] <... umount2 resumed>) = 0 [pid 283] <... close resumed>) = 0 [pid 2183] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] umount2("./63/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2183] <... futex resumed>) = 1 [pid 2182] <... futex resumed>) = 0 [pid 2183] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2182] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 2202 [pid 2183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2182] <... futex resumed>) = 0 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2183] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2182] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 120.616393][ T2183] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 120.623547][ T2183] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 287] newfstatat(AT_FDCWD, "./63/file4", [pid 2183] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./63/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./63/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./63/file4") = 0 [pid 287] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2183] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2183] <... futex resumed>) = 1 [pid 2182] <... futex resumed>) = 0 [pid 287] newfstatat(AT_FDCWD, "./63/binderfs", [pid 2182] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2183] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2182] <... futex resumed>) = 0 [pid 287] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2182] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 287] unlink("./63/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./63") = 0 [pid 287] mkdir("./64", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 2202 attached [pid 2202] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2202] chdir("./62") = 0 [pid 2202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2202] setpgid(0, 0) = 0 [pid 2202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2202] write(3, "1000", 4) = 4 [pid 2202] close(3) = 0 [pid 2202] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 2202] write(1, "executing program\n", 18) = 18 [pid 2202] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2202] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2202] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2202] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2202] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2203]}, 88) = 2203 [pid 2202] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2202] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2202] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 287] close(3./strace-static-x86_64: Process 2203 attached [pid 2198] <... write resumed>) = 20699119 [pid 2183] <... symlink resumed>) = 0 [pid 287] <... close resumed>) = 0 [pid 2203] set_robust_list(0x7fb743f169a0, 24 [pid 2198] munmap(0x7fb73baf6000, 138412032 [pid 2183] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2203] <... set_robust_list resumed>) = 0 [pid 2203] rt_sigprocmask(SIG_SETMASK, [], [pid 2198] <... munmap resumed>) = 0 [pid 2183] <... futex resumed>) = 1 [pid 2182] <... futex resumed>) = 0 [pid 2203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2198] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 2183] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2182] exit_group(0 [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 2204 [pid 2198] <... openat resumed>) = 4 [pid 2182] <... exit_group resumed>) = ? [pid 2198] ioctl(4, LOOP_SET_FD, 3 [pid 2203] memfd_create("syzkaller", 0 [pid 2183] <... futex resumed>) = ? [pid 2203] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 2204 attached [pid 2204] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2183] +++ exited with 0 +++ [pid 2182] +++ exited with 0 +++ [pid 2203] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2182, si_uid=0, si_status=0, si_utime=9, si_stime=23} --- [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 2204] chdir("./64") = 0 [pid 2204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2204] setpgid(0, 0) = 0 [pid 2204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2204] write(3, "1000", 4) = 4 [pid 2204] close(3 [pid 284] <... restart_syscall resumed>) = 0 [pid 2204] <... close resumed>) = 0 [pid 2204] symlink("/dev/binderfs", "./binderfs" [pid 284] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./61/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2204] <... symlink resumed>) = 0 [pid 2204] write(1, "executing program\n", 18executing program ) = 18 [pid 2204] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2204] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2204] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2204] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2204] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2206]}, 88) = 2206 [pid 2204] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2204] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2204] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2206 attached [pid 2206] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2206] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2206] memfd_create("syzkaller", 0) = 3 [pid 2206] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 120.677201][ T2183] F2FS-fs (loop1): switch discard_unit option is not allowed [ 120.691986][ T2183] attempt to access beyond end of device [ 120.691986][ T2183] loop1: rw=2049, want=53256, limit=40427 [ 120.717479][ T284] attempt to access beyond end of device [pid 2198] <... ioctl resumed>) = 0 [pid 2198] close(3) = 0 [pid 2198] close(4) = 0 [pid 2198] mkdir("./file4", 0777) = 0 [ 120.717479][ T284] loop1: rw=2049, want=45104, limit=40427 [ 120.743549][ T2198] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [pid 2198] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./63/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./63/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./63/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./63/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./63/file4") = 0 [pid 286] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./63/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./63") = 0 [pid 286] mkdir("./64", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2207 ./strace-static-x86_64: Process 2207 attached [pid 2207] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2207] chdir("./64") = 0 [pid 2207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2207] setpgid(0, 0) = 0 [pid 2207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2207] write(3, "1000", 4) = 4 [pid 2207] close(3) = 0 [pid 2207] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2207] write(1, "executing program\n", 18executing program ) = 18 [pid 2207] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2207] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2207] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2207] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2207] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2207] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2208]}, 88) = 2208 [pid 2207] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2207] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2207] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2208 attached [pid 2208] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2208] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 120.775755][ T2198] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [pid 2208] memfd_create("syzkaller", 0) = 3 [pid 2208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 120.846307][ T2198] F2FS-fs (loop2): fault_injection options not supported [ 120.864237][ T2198] F2FS-fs (loop2): fault_type options not supported [ 120.896107][ T2198] F2FS-fs (loop2): invalid crc value [pid 2206] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 2206] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2206] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 2206] ioctl(4, LOOP_SET_FD, 3) = 0 [ 120.926580][ T2198] F2FS-fs (loop2): Found nat_bits in checkpoint [pid 2206] close(3) = 0 [pid 2206] close(4) = 0 [pid 2206] mkdir("./file4", 0777) = 0 [pid 2206] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 284] <... umount2 resumed>) = 0 [ 120.989428][ T2206] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 120.996558][ T2206] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 121.004880][ T2206] F2FS-fs (loop4): fault_injection options not supported [ 121.012115][ T2206] F2FS-fs (loop4): fault_type options not supported [ 121.019860][ T2206] F2FS-fs (loop4): invalid crc value [pid 2203] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] umount2("./61/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./61/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./61/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./61/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./61/file4") = 0 [pid 284] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./61/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./61") = 0 [pid 284] mkdir("./62", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2214 ./strace-static-x86_64: Process 2214 attached [pid 2214] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2214] chdir("./62") = 0 [pid 2214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2214] setpgid(0, 0) = 0 [pid 2214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2214] write(3, "1000", 4) = 4 [pid 2214] close(3) = 0 [pid 2214] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 2214] write(1, "executing program\n", 18) = 18 [pid 2214] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2214] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2214] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2214] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2215]}, 88) = 2215 [pid 2214] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2214] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 121.042347][ T2206] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 2214] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2215 attached [pid 2215] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2215] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2215] memfd_create("syzkaller", 0) = 3 [pid 2215] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2203] <... write resumed>) = 20699119 [pid 2203] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2203] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 2203] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2203] close(3) = 0 [pid 2203] close(4 [pid 2198] <... mount resumed>) = 0 [pid 2198] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2198] chdir("./file4") = 0 [pid 2198] openat(AT_FDCWD, "/dev/loop2", O_RDWR [ 121.093301][ T2198] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 121.115880][ T2198] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 2208] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2203] <... close resumed>) = 0 [pid 2198] <... openat resumed>) = 4 [pid 2203] mkdir("./file4", 0777 [pid 2198] ioctl(4, LOOP_CLR_FD [pid 2203] <... mkdir resumed>) = 0 [pid 2203] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2198] <... ioctl resumed>) = 0 [pid 2198] close(4) = 0 [pid 2198] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2197] <... futex resumed>) = 0 [pid 2198] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2197] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 121.172260][ T2206] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 121.184927][ T2203] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 121.185502][ T2198] F2FS-fs (loop2): switch discard_unit option is not allowed [ 121.195003][ T2203] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 121.208148][ T2203] F2FS-fs (loop0): fault_injection options not supported [ 121.215303][ T2203] F2FS-fs (loop0): fault_type options not supported [pid 2197] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2198] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2198] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2197] <... futex resumed>) = 0 [pid 2197] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2197] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2198] <... futex resumed>) = 1 [pid 2198] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2198] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2197] <... futex resumed>) = 0 [pid 2197] exit_group(0) = ? [pid 2198] <... futex resumed>) = ? [pid 2198] +++ exited with 0 +++ [pid 2197] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2197, si_uid=0, si_status=0, si_utime=8, si_stime=19} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./64/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2206] <... mount resumed>) = 0 [pid 2206] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2206] chdir("./file4") = 0 [pid 2206] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 2206] ioctl(4, LOOP_CLR_FD) = 0 [pid 2206] close(4 [pid 2208] <... write resumed>) = 20699119 [pid 2206] <... close resumed>) = 0 [pid 2206] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2204] <... futex resumed>) = 0 [pid 2204] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 121.221629][ T2206] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 121.223020][ T2203] F2FS-fs (loop0): invalid crc value [ 121.254521][ T2203] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 2204] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2206] <... futex resumed>) = 1 [pid 2206] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2208] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2208] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 2208] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2208] close(3) = 0 [pid 2208] close(4) = 0 [pid 2208] mkdir("./file4", 0777) = 0 [pid 2208] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2206] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2206] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2204] <... futex resumed>) = 0 [pid 2204] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2204] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2206] <... futex resumed>) = 1 [pid 2206] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2206] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2204] <... futex resumed>) = 0 [pid 2204] exit_group(0) = ? [pid 2206] <... futex resumed>) = ? [pid 2206] +++ exited with 0 +++ [pid 2204] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2204, si_uid=0, si_status=0, si_utime=10, si_stime=18} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 121.303967][ T2206] F2FS-fs (loop4): switch discard_unit option is not allowed [ 121.336173][ T2208] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 121.343253][ T2208] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [pid 287] umount2("./64/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 121.388056][ T2208] F2FS-fs (loop3): fault_injection options not supported [ 121.395159][ T2208] F2FS-fs (loop3): fault_type options not supported [ 121.425955][ T2203] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [pid 2215] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2203] <... mount resumed>) = 0 [pid 2203] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2203] chdir("./file4") = 0 [pid 2203] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 2215] <... write resumed>) = 20699119 [pid 2215] munmap(0x7fb73baf6000, 138412032) = 0 [ 121.433045][ T2203] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 121.440826][ T2208] F2FS-fs (loop3): invalid crc value [ 121.449741][ T2208] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 2215] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 2203] <... openat resumed>) = 4 [pid 2215] ioctl(4, LOOP_SET_FD, 3 [pid 2203] ioctl(4, LOOP_CLR_FD) = 0 [pid 2203] close(4 [pid 2215] <... ioctl resumed>) = 0 [pid 2203] <... close resumed>) = 0 [pid 2203] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2215] close(3 [pid 2203] <... futex resumed>) = 1 [pid 2202] <... futex resumed>) = 0 [pid 2215] <... close resumed>) = 0 [pid 2203] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2202] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2215] close(4 [pid 2202] <... futex resumed>) = 0 [pid 2202] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2203] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2203] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2202] <... futex resumed>) = 0 [pid 2202] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2202] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2203] <... futex resumed>) = 1 [pid 2203] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 285] <... umount2 resumed>) = 0 [pid 2208] <... mount resumed>) = 0 [pid 2203] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] umount2("./64/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2208] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 2203] <... futex resumed>) = 1 [pid 2202] <... futex resumed>) = 0 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2202] exit_group(0 [pid 285] newfstatat(AT_FDCWD, "./64/file4", [pid 2208] <... openat resumed>) = 3 [pid 2203] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2208] chdir("./file4" [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2208] <... chdir resumed>) = 0 [pid 2203] <... futex resumed>) = ? [pid 2202] <... exit_group resumed>) = ? [pid 285] umount2("./64/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2208] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 2203] +++ exited with 0 +++ [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2202] +++ exited with 0 +++ [pid 285] openat(AT_FDCWD, "./64/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2202, si_uid=0, si_status=0, si_utime=7, si_stime=22} --- [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 285] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./64/file4") = 0 [pid 283] <... restart_syscall resumed>) = 0 [pid 285] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./64/binderfs") = 0 [pid 285] getdents64(3, [pid 283] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./64") = 0 [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] mkdir("./65", 0777) = 0 [pid 283] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 283] <... openat resumed>) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 121.515973][ T2208] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 121.522103][ T2203] F2FS-fs (loop0): switch discard_unit option is not allowed [ 121.523234][ T2208] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 283] umount2("./62/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2215] <... close resumed>) = 0 [pid 2208] <... openat resumed>) = 4 [pid 285] <... openat resumed>) = 3 [pid 2208] ioctl(4, LOOP_CLR_FD [pid 285] ioctl(3, LOOP_CLR_FD [pid 2208] <... ioctl resumed>) = 0 [pid 2208] close(4 [pid 285] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 2215] mkdir("./file4", 0777 [pid 2208] <... close resumed>) = 0 [pid 285] close(3 [pid 2208] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] <... close resumed>) = 0 [pid 2208] <... futex resumed>) = 1 [pid 2207] <... futex resumed>) = 0 [pid 2208] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2207] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2207] <... futex resumed>) = 0 [pid 2215] <... mkdir resumed>) = 0 [pid 2208] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2207] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2215] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 2227 [pid 287] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 2227 attached [pid 2208] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 287] umount2("./64/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2227] set_robust_list(0x55557d22a6a0, 24 [pid 2208] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./64/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./64/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./64/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./64/file4" [pid 2227] <... set_robust_list resumed>) = 0 [pid 2208] <... futex resumed>) = 1 [pid 2207] <... futex resumed>) = 0 [pid 2227] chdir("./65" [pid 2208] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2207] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2227] <... chdir resumed>) = 0 [pid 2208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2207] <... futex resumed>) = 0 [pid 2227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2208] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2207] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 287] <... rmdir resumed>) = 0 [pid 287] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./64/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./64") = 0 [pid 287] mkdir("./65", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWRexecuting program [pid 2227] setpgid(0, 0) = 0 [pid 2227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2227] write(3, "1000", 4) = 4 [pid 2227] close(3) = 0 [pid 2227] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2227] write(1, "executing program\n", 18) = 18 [pid 2227] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2227] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2227] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2227] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2227] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2227] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2228]}, 88) = 2228 [pid 2227] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2227] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2227] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2208] <... symlink resumed>) = 0 [pid 2208] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2208] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2207] <... futex resumed>) = 0 ./strace-static-x86_64: Process 2228 attached [pid 2228] set_robust_list(0x7fb743f169a0, 24 [pid 2207] exit_group(0 [pid 2228] <... set_robust_list resumed>) = 0 [ 121.581330][ T2208] F2FS-fs (loop3): switch discard_unit option is not allowed [ 121.596664][ T2215] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 121.611861][ T2215] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 121.624237][ T2215] F2FS-fs (loop1): fault_injection options not supported [pid 2228] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2228] memfd_create("syzkaller", 0) = 3 [pid 2228] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2208] <... futex resumed>) = ? [pid 2207] <... exit_group resumed>) = ? [pid 2208] +++ exited with 0 +++ [pid 2207] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2207, si_uid=0, si_status=0, si_utime=9, si_stime=19} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./64/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 287] <... openat resumed>) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2229 ./strace-static-x86_64: Process 2229 attached [pid 2229] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2229] chdir("./65") = 0 [pid 2229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2229] setpgid(0, 0) = 0 [pid 2229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2229] write(3, "1000", 4) = 4 [pid 2229] close(3) = 0 [pid 2229] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2229] write(1, "executing program\n", 18executing program ) = 18 [pid 2229] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2229] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2229] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [ 121.632375][ T2215] F2FS-fs (loop1): fault_type options not supported [pid 2229] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2230]}, 88) = 2230 [pid 2229] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2229] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2229] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2230 attached [pid 2230] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2230] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2230] memfd_create("syzkaller", 0) = 3 [pid 2230] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 121.678725][ T2215] F2FS-fs (loop1): invalid crc value [ 121.716936][ T2215] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./62/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./62/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./62/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./62/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./62/file4") = 0 [pid 283] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./62/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./62") = 0 [pid 283] mkdir("./63", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3 [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./64/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./64/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./64/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./64/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./64/file4" [pid 283] <... close resumed>) = 0 [pid 286] <... rmdir resumed>) = 0 [pid 286] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./64/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./64" [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 286] <... rmdir resumed>) = 0 [pid 286] mkdir("./65", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 2234 [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 2233 ./strace-static-x86_64: Process 2233 attached [pid 2233] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2233] chdir("./65") = 0 [pid 2233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2233] setpgid(0, 0) = 0 [pid 2233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2233] write(3, "1000", 4 [pid 2228] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119./strace-static-x86_64: Process 2234 attached [pid 2233] <... write resumed>) = 4 [pid 2233] close(3) = 0 [pid 2233] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 2233] write(1, "executing program\n", 18) = 18 [pid 2233] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2233] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2233] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2233] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2233] rt_sigprocmask(SIG_BLOCK, ~[], [pid 2234] set_robust_list(0x55557d22a6a0, 24 [pid 2233] <... rt_sigprocmask resumed>[], 8) = 0 [pid 2234] <... set_robust_list resumed>) = 0 [pid 2233] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0}./strace-static-x86_64: Process 2235 attached => {parent_tid=[2235]}, 88) = 2235 [pid 2234] chdir("./63" [pid 2233] rt_sigprocmask(SIG_SETMASK, [], [pid 2234] <... chdir resumed>) = 0 [pid 2233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2233] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2234] <... prctl resumed>) = 0 [pid 2233] <... futex resumed>) = 0 [pid 2234] setpgid(0, 0 [pid 2233] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2234] <... setpgid resumed>) = 0 [pid 2234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2235] set_robust_list(0x7fb743f169a0, 24 [pid 2234] <... openat resumed>) = 3 [pid 2235] <... set_robust_list resumed>) = 0 [pid 2235] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2235] memfd_create("syzkaller", 0) = 3 [pid 2235] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2234] write(3, "1000", 4) = 4 [pid 2234] close(3) = 0 [pid 2234] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 2234] write(1, "executing program\n", 18) = 18 [pid 2234] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2234] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2234] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2234] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2234] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2236]}, 88) = 2236 [pid 2234] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2234] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2234] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2236 attached [pid 2236] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2236] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2236] memfd_create("syzkaller", 0) = 3 [pid 2236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2215] <... mount resumed>) = 0 [pid 2215] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2215] chdir("./file4") = 0 [pid 2215] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 2215] ioctl(4, LOOP_CLR_FD) = 0 [pid 2215] close(4) = 0 [pid 2215] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2214] <... futex resumed>) = 0 [pid 2214] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2214] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2215] <... futex resumed>) = 1 [pid 2215] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 2215] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2214] <... futex resumed>) = 0 [pid 2214] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2215] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2214] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2215] <... symlink resumed>) = 0 [ 121.872491][ T2215] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 121.890319][ T2215] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 121.914280][ T2215] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 2215] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2214] <... futex resumed>) = 0 [pid 2215] <... futex resumed>) = 1 [pid 2214] exit_group(0 [pid 2215] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2214] <... exit_group resumed>) = ? [pid 2215] <... futex resumed>) = ? [pid 2215] +++ exited with 0 +++ [pid 2214] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2214, si_uid=0, si_status=0, si_utime=11, si_stime=16} --- [pid 284] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./62/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2228] <... write resumed>) = 20699119 [pid 2228] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2230] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2228] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 2228] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2228] close(3) = 0 [pid 2228] close(4) = 0 [pid 2228] mkdir("./file4", 0777) = 0 [pid 2228] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2235] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2230] <... write resumed>) = 20699119 [pid 2230] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2230] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 2230] ioctl(4, LOOP_SET_FD, 3 [pid 2236] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2230] <... ioctl resumed>) = 0 [ 122.100642][ T2228] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 122.125751][ T2228] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 122.134023][ T2228] F2FS-fs (loop2): fault_injection options not supported [pid 2230] close(3) = 0 [pid 2230] close(4) = 0 [pid 2230] mkdir("./file4", 0777) = 0 [pid 2230] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./62/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./62/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./62/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./62/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./62/file4") = 0 [pid 284] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./62/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./62") = 0 [pid 284] mkdir("./63", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2242 [ 122.169163][ T2228] F2FS-fs (loop2): fault_type options not supported [ 122.176323][ T2230] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 122.194569][ T2230] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 122.203577][ T2228] F2FS-fs (loop2): invalid crc value ./strace-static-x86_64: Process 2242 attached [pid 2242] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2242] chdir("./63") = 0 [pid 2242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2242] setpgid(0, 0) = 0 [pid 2242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2242] write(3, "1000", 4) = 4 [pid 2242] close(3) = 0 [pid 2242] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 2242] write(1, "executing program\n", 18) = 18 [pid 2242] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2242] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2242] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2242] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2242] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2243]}, 88) = 2243 [pid 2242] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2242] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2242] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2235] <... write resumed>) = 20699119 ./strace-static-x86_64: Process 2243 attached [pid 2243] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2243] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 122.226410][ T2230] F2FS-fs (loop4): fault_injection options not supported [ 122.237442][ T2228] F2FS-fs (loop2): Found nat_bits in checkpoint [ 122.264510][ T2230] F2FS-fs (loop4): fault_type options not supported [pid 2243] memfd_create("syzkaller", 0) = 3 [pid 2235] munmap(0x7fb73baf6000, 138412032 [pid 2243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2235] <... munmap resumed>) = 0 [pid 2235] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 2235] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2235] close(3) = 0 [pid 2235] close(4) = 0 [pid 2235] mkdir("./file4", 0777) = 0 [ 122.273009][ T2230] F2FS-fs (loop4): invalid crc value [ 122.295243][ T2235] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 122.303501][ T2230] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 2235] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2236] <... write resumed>) = 20699119 [pid 2236] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2236] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 2236] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2236] close(3) = 0 [pid 2236] close(4) = 0 [pid 2236] mkdir("./file4", 0777) = 0 [ 122.320785][ T2235] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 122.329096][ T2235] F2FS-fs (loop3): fault_injection options not supported [ 122.336216][ T2235] F2FS-fs (loop3): fault_type options not supported [ 122.343773][ T2235] F2FS-fs (loop3): invalid crc value [ 122.343819][ T2228] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 122.367232][ T2235] F2FS-fs (loop3): Found nat_bits in checkpoint [ 122.370183][ T2236] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [pid 2236] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2228] <... mount resumed>) = 0 [pid 2228] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2228] chdir("./file4") = 0 [pid 2228] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 2228] ioctl(4, LOOP_CLR_FD) = 0 [pid 2228] close(4) = 0 [ 122.401987][ T2230] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 122.402238][ T2228] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 122.409247][ T2236] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 122.440936][ T2230] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 2228] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2230] <... mount resumed>) = 0 [pid 2228] <... futex resumed>) = 1 [pid 2227] <... futex resumed>) = 0 [pid 2230] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 2228] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2227] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2227] <... futex resumed>) = 0 [pid 2227] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2228] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2230] <... openat resumed>) = 3 [pid 2230] chdir("./file4") = 0 [pid 2228] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2230] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 2228] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2230] <... openat resumed>) = 4 [pid 2228] <... futex resumed>) = 1 [pid 2227] <... futex resumed>) = 0 [pid 2227] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2230] ioctl(4, LOOP_CLR_FD [pid 2227] <... futex resumed>) = 0 [pid 2230] <... ioctl resumed>) = 0 [pid 2228] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2227] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2230] close(4) = 0 [pid 2230] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2229] <... futex resumed>) = 0 [pid 2230] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2229] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2229] <... futex resumed>) = 0 [pid 2229] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2230] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2228] <... symlink resumed>) = 0 [pid 2228] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2227] <... futex resumed>) = 0 [pid 2227] exit_group(0 [pid 2228] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2227] <... exit_group resumed>) = ? [pid 2228] <... futex resumed>) = ? [pid 2228] +++ exited with 0 +++ [pid 2227] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2227, si_uid=0, si_status=0, si_utime=9, si_stime=18} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 2230] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 122.449161][ T2236] F2FS-fs (loop0): fault_injection options not supported [ 122.456464][ T2236] F2FS-fs (loop0): fault_type options not supported [ 122.464127][ T2228] F2FS-fs (loop2): switch discard_unit option is not allowed [ 122.464885][ T2236] F2FS-fs (loop0): invalid crc value [ 122.487215][ T2230] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 2230] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] <... restart_syscall resumed>) = 0 [pid 285] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] umount2("./65/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2229] <... futex resumed>) = 0 [pid 2229] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2229] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2230] <... futex resumed>) = 1 [pid 2230] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2230] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2229] <... futex resumed>) = 0 [pid 2229] exit_group(0 [pid 2230] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 (errno 18446744073709551414) [pid 2229] <... exit_group resumed>) = ? [pid 2230] +++ exited with 0 +++ [pid 2229] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2229, si_uid=0, si_status=0, si_utime=9, si_stime=18} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./65/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2235] <... mount resumed>) = 0 [pid 2235] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2243] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2235] chdir("./file4") = 0 [pid 2235] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 2235] ioctl(4, LOOP_CLR_FD) = 0 [pid 2235] close(4) = 0 [pid 2235] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2233] <... futex resumed>) = 0 [pid 2233] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2233] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2235] <... futex resumed>) = 1 [ 122.505018][ T2235] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 122.525786][ T2235] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 122.526769][ T2236] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 2235] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 2235] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2233] <... futex resumed>) = 0 [pid 2233] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2233] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2235] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2235] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2233] <... futex resumed>) = 0 [pid 2233] exit_group(0) = ? [pid 2235] +++ exited with 0 +++ [pid 2233] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2233, si_uid=0, si_status=0, si_utime=9, si_stime=16} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 286] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 122.570983][ T2235] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 286] umount2("./65/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2243] <... write resumed>) = 20699119 [pid 2243] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2243] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 2236] <... mount resumed>) = 0 [pid 2236] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2236] chdir("./file4") = 0 [pid 2236] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./65/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./65/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./65/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./65/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./65/file4") = 0 [pid 285] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./65/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./65") = 0 [pid 285] mkdir("./66", 0777) = 0 [ 122.650093][ T2236] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 122.658307][ T2236] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./65/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./65/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./65/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./65/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./65/file4") = 0 [pid 286] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./65/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./65") = 0 [pid 286] mkdir("./66", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 2243] <... openat resumed>) = 4 [pid 2236] <... openat resumed>) = 4 [pid 285] <... openat resumed>) = 3 [pid 2243] ioctl(4, LOOP_SET_FD, 3 [pid 2236] ioctl(4, LOOP_CLR_FD [pid 285] ioctl(3, LOOP_CLR_FD [pid 2243] <... ioctl resumed>) = 0 [pid 2243] close(3) = 0 [pid 2243] close(4 [pid 2236] <... ioctl resumed>) = 0 [pid 285] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 2236] close(4 [pid 285] close(3 [pid 286] <... openat resumed>) = 3 [pid 286] ioctl(3, LOOP_CLR_FD [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./65/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./65/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./65/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./65/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./65/file4") = 0 [pid 287] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./65/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./65") = 0 [pid 287] mkdir("./66", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 2243] <... close resumed>) = 0 [pid 2236] <... close resumed>) = 0 [pid 285] <... close resumed>) = 0 [pid 2243] mkdir("./file4", 0777 [pid 2236] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2243] <... mkdir resumed>) = 0 [pid 2236] <... futex resumed>) = 1 [pid 2234] <... futex resumed>) = 0 [pid 2243] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2234] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 2257 attached [pid 2236] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2234] <... futex resumed>) = 0 [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 2257 [pid 2234] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2257] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2257] chdir("./66") = 0 [pid 2257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2257] setpgid(0, 0) = 0 [pid 2257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2257] write(3, "1000", 4) = 4 [pid 2257] close(3) = 0 [pid 2257] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 2257] write(1, "executing program\n", 18) = 18 [pid 2257] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2257] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2257] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2257] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2257] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2257] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 2236] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 2258 attached [pid 2236] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2257] <... clone3 resumed> => {parent_tid=[2258]}, 88) = 2258 [pid 2257] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2257] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2257] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2258] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2258] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2258] memfd_create("syzkaller", 0) = 3 [pid 2258] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 286] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 2236] <... futex resumed>) = 1 [pid 2234] <... futex resumed>) = 0 [pid 287] <... openat resumed>) = 3 [pid 286] close(3 [pid 2236] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2234] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] ioctl(3, LOOP_CLR_FD [pid 286] <... close resumed>) = 0 [pid 2234] <... futex resumed>) = 0 [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 2236] <... symlink resumed>) = 0 [pid 2234] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 287] close(3 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2236] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 287] <... close resumed>) = 0 [pid 2234] exit_group(0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2234] <... exit_group resumed>) = ? [pid 2236] <... futex resumed>) = ? [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 2259 [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 2260 [pid 2236] +++ exited with 0 +++ [pid 2234] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2234, si_uid=0, si_status=0, si_utime=8, si_stime=22} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 122.817313][ T2236] F2FS-fs (loop0): switch discard_unit option is not allowed [ 122.832101][ T2243] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 122.846635][ T2243] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 122.855283][ T2243] F2FS-fs (loop1): fault_injection options not supported [pid 283] umount2("./63/file4", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 2260 attached ./strace-static-x86_64: Process 2259 attached [pid 2259] set_robust_list(0x55557d22a6a0, 24 [pid 2260] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2259] <... set_robust_list resumed>) = 0 [pid 2260] chdir("./66") = 0 [pid 2259] chdir("./66" [pid 2260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2259] <... chdir resumed>) = 0 executing program executing program [pid 2260] <... prctl resumed>) = 0 [pid 2259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2260] setpgid(0, 0 [pid 2259] <... prctl resumed>) = 0 [pid 2259] setpgid(0, 0 [pid 2260] <... setpgid resumed>) = 0 [pid 2260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2259] <... setpgid resumed>) = 0 [pid 2259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2260] <... openat resumed>) = 3 [pid 2259] write(3, "1000", 4 [pid 2260] write(3, "1000", 4 [pid 2259] <... write resumed>) = 4 [pid 2260] <... write resumed>) = 4 [pid 2259] close(3 [pid 2260] close(3 [pid 2259] <... close resumed>) = 0 [pid 2260] <... close resumed>) = 0 [pid 2259] symlink("/dev/binderfs", "./binderfs" [pid 2260] symlink("/dev/binderfs", "./binderfs" [pid 2259] <... symlink resumed>) = 0 [pid 2260] <... symlink resumed>) = 0 [pid 2259] write(1, "executing program\n", 18 [pid 2260] write(1, "executing program\n", 18 [pid 2259] <... write resumed>) = 18 [pid 2260] <... write resumed>) = 18 [pid 2260] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2259] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2260] <... futex resumed>) = 0 [pid 2259] <... futex resumed>) = 0 [pid 2260] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 2259] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 2260] <... rt_sigaction resumed>NULL, 8) = 0 [pid 2259] <... rt_sigaction resumed>NULL, 8) = 0 [pid 2260] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 2259] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2260] <... mmap resumed>) = 0x7fb743ef6000 [pid 2260] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 2259] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 2260] <... mprotect resumed>) = 0 [pid 2259] <... mprotect resumed>) = 0 [pid 2259] rt_sigprocmask(SIG_BLOCK, ~[], [pid 2260] rt_sigprocmask(SIG_BLOCK, ~[], [pid 2259] <... rt_sigprocmask resumed>[], 8) = 0 [pid 2260] <... rt_sigprocmask resumed>[], 8) = 0 [pid 2260] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 2259] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2262]}, 88) = 2262 [pid 2260] <... clone3 resumed> => {parent_tid=[2263]}, 88) = 2263 [pid 2259] rt_sigprocmask(SIG_SETMASK, [], [pid 2260] rt_sigprocmask(SIG_SETMASK, [], [pid 2259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2259] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 2262 attached ) = 0 [pid 2260] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2262] set_robust_list(0x7fb743f169a0, 24 [pid 2260] <... futex resumed>) = 0 [pid 2259] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2260] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2262] <... set_robust_list resumed>) = 0 [pid 2262] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2262] memfd_create("syzkaller", 0) = 3 [pid 2262] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 ./strace-static-x86_64: Process 2263 attached [pid 2263] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2263] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2263] memfd_create("syzkaller", 0) = 3 [pid 2263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 122.862736][ T2243] F2FS-fs (loop1): fault_type options not supported [ 122.870692][ T2243] F2FS-fs (loop1): invalid crc value [ 122.936827][ T2243] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 2258] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2243] <... mount resumed>) = 0 [pid 2243] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2243] chdir("./file4") = 0 [pid 2243] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 2243] ioctl(4, LOOP_CLR_FD) = 0 [pid 2243] close(4) = 0 [pid 2243] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2242] <... futex resumed>) = 0 [pid 2242] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2242] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2243] <... futex resumed>) = 1 [ 123.036552][ T2243] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 123.043631][ T2243] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 2243] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 2243] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2242] <... futex resumed>) = 0 [pid 2242] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2242] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2243] <... futex resumed>) = 1 [pid 2243] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2243] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2242] <... futex resumed>) = 0 [pid 2242] exit_group(0) = ? [pid 2243] <... futex resumed>) = ? [pid 2243] +++ exited with 0 +++ [pid 2242] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2242, si_uid=0, si_status=0, si_utime=13, si_stime=18} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./63/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./63/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./63/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./63/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./63/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./63/file4") = 0 [pid 283] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./63/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./63") = 0 [pid 283] mkdir("./64", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2266 ./strace-static-x86_64: Process 2266 attached [pid 2266] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2266] chdir("./64") = 0 [pid 2266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2266] setpgid(0, 0) = 0 [pid 2266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2266] write(3, "1000", 4) = 4 [pid 2266] close(3) = 0 [ 123.080387][ T2243] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 2266] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 2266] write(1, "executing program\n", 18) = 18 [pid 2266] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2266] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2266] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2266] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2266] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2266] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2267]}, 88) = 2267 [pid 2266] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2266] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2266] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2267 attached [pid 2267] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2267] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2267] memfd_create("syzkaller", 0) = 3 [pid 2267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2258] <... write resumed>) = 20699119 [pid 2258] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2258] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 2263] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2262] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2258] <... openat resumed>) = 4 [pid 2258] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2258] close(3) = 0 [pid 2258] close(4) = 0 [pid 2258] mkdir("./file4", 0777) = 0 [pid 2258] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2263] <... write resumed>) = 20699119 [pid 2263] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2263] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./63/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./63/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./63/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./63/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 2263] <... openat resumed>) = 4 [pid 284] getdents64(4, [pid 2263] ioctl(4, LOOP_SET_FD, 3 [pid 284] <... getdents64 resumed>0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./63/file4" [pid 2263] <... ioctl resumed>) = 0 [pid 2263] close(3) = 0 [pid 2263] close(4) = 0 [pid 2263] mkdir("./file4", 0777) = 0 [pid 284] <... rmdir resumed>) = 0 [pid 284] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2263] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2262] <... write resumed>) = 20699119 [pid 284] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./63/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./63") = 0 [pid 284] mkdir("./64", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2270 [pid 2262] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2262] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 123.329418][ T2258] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 123.347637][ T2263] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 123.349905][ T2258] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 123.358943][ T2263] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 123.371677][ T2263] F2FS-fs (loop4): fault_injection options not supported [pid 2262] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 2270 attached [pid 2270] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2262] <... ioctl resumed>) = 0 [pid 2262] close(3) = 0 [pid 2262] close(4) = 0 [pid 2262] mkdir("./file4", 0777) = 0 [pid 2262] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2270] chdir("./64") = 0 [pid 2270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2270] setpgid(0, 0) = 0 [pid 2270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2270] write(3, "1000", 4) = 4 [pid 2270] close(3) = 0 [pid 2270] symlink("/dev/binderfs", "./binderfs") = 0 [ 123.379019][ T2263] F2FS-fs (loop4): fault_type options not supported [ 123.387064][ T2263] F2FS-fs (loop4): invalid crc value [ 123.401198][ T2258] F2FS-fs (loop2): fault_injection options not supported [ 123.403684][ T2262] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 123.408951][ T2258] F2FS-fs (loop2): fault_type options not supported [ 123.423013][ T2263] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 2270] write(1, "executing program\n", 18executing program ) = 18 [pid 2270] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2270] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2270] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2270] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2275]}, 88) = 2275 [pid 2270] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2270] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2270] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2275 attached [pid 2275] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2275] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2275] memfd_create("syzkaller", 0) = 3 [pid 2275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 123.431014][ T2262] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 123.439662][ T2258] F2FS-fs (loop2): invalid crc value [ 123.440593][ T2262] F2FS-fs (loop3): fault_injection options not supported [ 123.453204][ T2262] F2FS-fs (loop3): fault_type options not supported [ 123.464315][ T2262] F2FS-fs (loop3): invalid crc value [ 123.477529][ T2258] F2FS-fs (loop2): Found nat_bits in checkpoint [ 123.516984][ T2262] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 2267] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2258] <... mount resumed>) = 0 [pid 2263] <... mount resumed>) = 0 [pid 2263] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2263] chdir("./file4") = 0 [pid 2263] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 2263] ioctl(4, LOOP_CLR_FD) = 0 [pid 2263] close(4) = 0 [pid 2263] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 123.564634][ T2263] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 123.573473][ T2263] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 123.580168][ T2262] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 123.588293][ T2258] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 123.595866][ T2258] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 2263] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2260] <... futex resumed>) = 0 [pid 2260] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2260] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2263] <... futex resumed>) = 0 [pid 2263] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 2263] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2263] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2260] <... futex resumed>) = 0 [pid 2260] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2260] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2263] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2263] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2260] <... futex resumed>) = 0 [pid 2260] exit_group(0) = ? [pid 2263] +++ exited with 0 +++ [pid 2260] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2260, si_uid=0, si_status=0, si_utime=8, si_stime=18} --- [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 2258] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2258] chdir("./file4") = 0 [pid 2258] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 2258] ioctl(4, LOOP_CLR_FD) = 0 [pid 2258] close(4) = 0 [pid 2258] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2257] <... futex resumed>) = 0 [pid 2257] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2257] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2258] <... futex resumed>) = 1 [pid 2258] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 287] <... restart_syscall resumed>) = 0 [pid 287] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./66/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2262] <... mount resumed>) = 0 [pid 2262] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2262] chdir("./file4") = 0 [pid 2262] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 2262] ioctl(4, LOOP_CLR_FD) = 0 [pid 2262] close(4) = 0 [pid 2262] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2259] <... futex resumed>) = 0 [pid 2259] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2259] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2262] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2258] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2258] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2257] <... futex resumed>) = 0 [pid 2257] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2257] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2258] <... futex resumed>) = 1 [pid 2258] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2258] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2257] <... futex resumed>) = 0 [pid 2257] exit_group(0) = ? [pid 2258] <... futex resumed>) = ? [pid 2258] +++ exited with 0 +++ [pid 2257] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2257, si_uid=0, si_status=0, si_utime=11, si_stime=15} --- [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 2262] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2262] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2259] <... futex resumed>) = 0 [pid 2259] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2259] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2262] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2262] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2259] <... futex resumed>) = 0 [pid 2262] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2259] exit_group(0) = ? [pid 2262] <... futex resumed>) = ? [pid 2262] +++ exited with 0 +++ [pid 2259] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2259, si_uid=0, si_status=0, si_utime=10, si_stime=20} --- [pid 286] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] <... restart_syscall resumed>) = 0 [pid 286] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 286] <... openat resumed>) = 3 [pid 285] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 286] newfstatat(3, "", [pid 285] <... openat resumed>) = 3 [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] newfstatat(3, "", [pid 286] getdents64(3, [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, [pid 286] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 285] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./66/file4", MNT_FORCE|UMOUNT_NOFOLLOW [ 123.618883][ T2262] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 123.627865][ T2263] F2FS-fs (loop4): switch discard_unit option is not allowed [ 123.642694][ T2258] F2FS-fs (loop2): switch discard_unit option is not allowed [ 123.658788][ T2262] F2FS-fs (loop3): switch discard_unit option is not allowed [pid 285] umount2("./66/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2267] <... write resumed>) = 20699119 [pid 2267] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2267] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 2267] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2267] close(3) = 0 [pid 2267] close(4) = 0 [pid 2267] mkdir("./file4", 0777) = 0 [pid 2267] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 123.746077][ T2267] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 123.763710][ T2267] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 123.782553][ T2267] F2FS-fs (loop0): fault_injection options not supported [ 123.790686][ T2267] F2FS-fs (loop0): fault_type options not supported [pid 2275] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 2275] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2275] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./66/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./66/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./66/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./66/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./66/file4") = 0 [pid 286] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./66/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./66") = 0 [pid 286] mkdir("./67", 0777) = 0 [ 123.816878][ T2267] F2FS-fs (loop0): invalid crc value [ 123.833492][ T2267] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 2267] <... mount resumed>) = 0 [pid 2267] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2267] chdir("./file4") = 0 [pid 2267] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 2275] <... openat resumed>) = 4 [pid 286] <... openat resumed>) = 3 [pid 2275] ioctl(4, LOOP_SET_FD, 3 [pid 286] ioctl(3, LOOP_CLR_FD [pid 2275] <... ioctl resumed>) = 0 [pid 2275] close(3) = 0 [pid 2275] close(4 [pid 2267] <... openat resumed>) = 4 [pid 2267] ioctl(4, LOOP_CLR_FD) = 0 [pid 2267] close(4) = 0 [pid 2267] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2266] <... futex resumed>) = 0 [pid 2266] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2266] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2267] <... futex resumed>) = 1 [pid 2267] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 2267] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2266] <... futex resumed>) = 0 [pid 2266] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2266] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2267] <... futex resumed>) = 1 [pid 2267] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2267] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2266] <... futex resumed>) = 0 [pid 2266] exit_group(0) = ? [pid 2267] <... futex resumed>) = ? [pid 2267] +++ exited with 0 +++ [pid 2266] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2266, si_uid=0, si_status=0, si_utime=9, si_stime=18} --- [pid 283] restart_syscall(<... resuming interrupted clone ...> [pid 286] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 2275] <... close resumed>) = 0 [pid 286] close(3 [pid 283] <... restart_syscall resumed>) = 0 [pid 2275] mkdir("./file4", 0777 [pid 286] <... close resumed>) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2275] <... mkdir resumed>) = 0 [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 2287 [pid 2275] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 123.878892][ T2267] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 123.886052][ T2267] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 123.911452][ T2267] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 283] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 2287 attached ) = 3 [pid 2287] set_robust_list(0x55557d22a6a0, 24 [pid 283] newfstatat(3, "", [pid 2287] <... set_robust_list resumed>) = 0 [pid 2287] chdir("./67" [pid 283] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 2287] <... chdir resumed>) = 0 [pid 2287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 283] getdents64(3, [pid 2287] setpgid(0, 0 [pid 283] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 2287] <... setpgid resumed>) = 0 [pid 283] umount2("./64/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2287] write(3, "1000", 4) = 4 [pid 2287] close(3) = 0 [pid 2287] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 2287] write(1, "executing program\n", 18) = 18 [pid 2287] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2287] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2287] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2287] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2287] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2287] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2288]}, 88) = 2288 [pid 2287] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2287] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2287] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2288 attached [pid 285] <... umount2 resumed>) = 0 [pid 2288] set_robust_list(0x7fb743f169a0, 24 [pid 285] umount2("./66/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2288] <... set_robust_list resumed>) = 0 [pid 2288] rt_sigprocmask(SIG_SETMASK, [], [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 285] newfstatat(AT_FDCWD, "./66/file4", [pid 2288] memfd_create("syzkaller", 0 [pid 285] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2288] <... memfd_create resumed>) = 3 [pid 285] umount2("./66/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./66/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./66/file4") = 0 [pid 285] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 123.936602][ T2275] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 123.943611][ T2275] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [pid 285] newfstatat(AT_FDCWD, "./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./66/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./66") = 0 [pid 285] mkdir("./67", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2289 ./strace-static-x86_64: Process 2289 attached [pid 2289] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2289] chdir("./67") = 0 [pid 2289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2289] setpgid(0, 0) = 0 [pid 2289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2289] write(3, "1000", 4) = 4 [pid 2289] close(3) = 0 [pid 2289] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2289] write(1, "executing program\n", 18executing program ) = 18 [pid 2289] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2289] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2289] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2289] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2289] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2291]}, 88) = 2291 [pid 2289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2289] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2289] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2291 attached [pid 2291] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2291] memfd_create("syzkaller", 0) = 3 [pid 2291] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./66/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./66/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./66/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./66/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./66/file4") = 0 [pid 287] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./66/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./66") = 0 [pid 287] mkdir("./67", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2293 ./strace-static-x86_64: Process 2293 attached [pid 2293] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2293] chdir("./67") = 0 [pid 2293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2293] setpgid(0, 0) = 0 [pid 2293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2293] write(3, "1000", 4) = 4 [pid 2293] close(3) = 0 [pid 2293] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2293] write(1, "executing program\n", 18executing program ) = 18 [pid 2293] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2293] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2293] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2293] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2294]}, 88) = 2294 [pid 2293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2293] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2293] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2294 attached [pid 2294] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2294] memfd_create("syzkaller", 0) = 3 [pid 2294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 124.006692][ T2275] F2FS-fs (loop1): fault_injection options not supported [ 124.013953][ T2275] F2FS-fs (loop1): fault_type options not supported [ 124.024682][ T2275] F2FS-fs (loop1): invalid crc value [ 124.084183][ T2275] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 2275] <... mount resumed>) = 0 [pid 2275] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2275] chdir("./file4") = 0 [pid 2275] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 2275] ioctl(4, LOOP_CLR_FD) = 0 [pid 2275] close(4) = 0 [pid 2275] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2275] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2270] <... futex resumed>) = 0 [pid 2270] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2270] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2275] <... futex resumed>) = 0 [pid 2275] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 2275] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2270] <... futex resumed>) = 0 [pid 2270] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2270] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2275] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2275] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2270] <... futex resumed>) = 0 [pid 2270] exit_group(0) = ? [pid 2275] +++ exited with 0 +++ [pid 2270] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2270, si_uid=0, si_status=0, si_utime=8, si_stime=19} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 124.162613][ T2275] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 124.180300][ T2275] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 124.201317][ T2275] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 284] umount2("./64/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./64/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./64/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./64/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./64/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./64/file4") = 0 [pid 283] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./64/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./64") = 0 [pid 283] mkdir("./65", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2296 ./strace-static-x86_64: Process 2296 attached [pid 2296] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2296] chdir("./65") = 0 [pid 2296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2296] setpgid(0, 0) = 0 [pid 2296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2296] write(3, "1000", 4) = 4 [pid 2296] close(3) = 0 [pid 2296] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 2296] write(1, "executing program\n", 18) = 18 [pid 2296] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2296] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2296] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2297]}, 88) = 2297 [pid 2296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2296] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2296] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2297 attached [pid 2288] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2297] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2297] memfd_create("syzkaller", 0) = 3 [pid 2297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2294] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2291] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2288] <... write resumed>) = 20699119 [pid 2288] munmap(0x7fb73baf6000, 138412032 [pid 2294] <... write resumed>) = 20699119 [pid 2288] <... munmap resumed>) = 0 [pid 2288] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 2288] ioctl(4, LOOP_SET_FD, 3 [pid 284] <... umount2 resumed>) = 0 [pid 2288] <... ioctl resumed>) = 0 [pid 284] umount2("./64/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./64/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./64/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./64/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./64/file4") = 0 [pid 2288] close(3) = 0 [pid 2288] close(4) = 0 [pid 284] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2288] mkdir("./file4", 0777 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./64/binderfs") = 0 [pid 2288] <... mkdir resumed>) = 0 [pid 2288] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./64") = 0 [pid 284] mkdir("./65", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3executing program ) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2299 [pid 2294] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2294] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 2294] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 2299 attached [pid 2299] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2299] chdir("./65") = 0 [pid 2299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2299] setpgid(0, 0) = 0 [pid 2299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2299] write(3, "1000", 4) = 4 [pid 2299] close(3) = 0 [pid 2299] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2299] write(1, "executing program\n", 18) = 18 [pid 2299] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2299] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2299] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2299] rt_sigprocmask(SIG_BLOCK, ~[], [pid 2294] <... ioctl resumed>) = 0 [pid 2294] close(3) = 0 [pid 2294] close(4) = 0 [pid 2294] mkdir("./file4", 0777) = 0 [pid 2294] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2299] <... rt_sigprocmask resumed>[], 8) = 0 [pid 2299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2301]}, 88) = 2301 [pid 2299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2299] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 124.482778][ T2288] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 124.505879][ T2288] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 124.516419][ T2294] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 124.524954][ T2288] F2FS-fs (loop3): fault_injection options not supported [pid 2299] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2301 attached [pid 2301] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2301] memfd_create("syzkaller", 0) = 3 [pid 2301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2291] <... write resumed>) = 20699119 [ 124.532561][ T2294] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 124.540863][ T2288] F2FS-fs (loop3): fault_type options not supported [ 124.547597][ T2294] F2FS-fs (loop4): fault_injection options not supported [ 124.556858][ T2288] F2FS-fs (loop3): invalid crc value [pid 2291] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2291] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 2291] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2291] close(3) = 0 [pid 2291] close(4) = 0 [pid 2291] mkdir("./file4", 0777) = 0 [ 124.585922][ T2294] F2FS-fs (loop4): fault_type options not supported [ 124.594708][ T2294] F2FS-fs (loop4): invalid crc value [ 124.604636][ T2288] F2FS-fs (loop3): Found nat_bits in checkpoint [ 124.615888][ T2294] F2FS-fs (loop4): Found nat_bits in checkpoint [ 124.624623][ T2291] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [pid 2291] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2297] <... write resumed>) = 20699119 [pid 2297] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 2297] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2297] close(3) = 0 [pid 2297] close(4) = 0 [pid 2297] mkdir("./file4", 0777) = 0 [ 124.656036][ T2291] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 124.667413][ T2291] F2FS-fs (loop2): fault_injection options not supported [ 124.674873][ T2291] F2FS-fs (loop2): fault_type options not supported [ 124.683162][ T2291] F2FS-fs (loop2): invalid crc value [ 124.693576][ T2297] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [pid 2297] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2288] <... mount resumed>) = 0 [ 124.700761][ T2297] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 124.709404][ T2297] F2FS-fs (loop0): fault_injection options not supported [ 124.717824][ T2291] F2FS-fs (loop2): Found nat_bits in checkpoint [ 124.736595][ T2288] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 124.745817][ T2288] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [pid 2288] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2288] chdir("./file4") = 0 [pid 2288] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 2288] ioctl(4, LOOP_CLR_FD) = 0 [pid 2288] close(4) = 0 [pid 2288] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2287] <... futex resumed>) = 0 [pid 2287] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2288] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2287] <... futex resumed>) = 0 [pid 2287] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2288] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2288] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2288] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2287] <... futex resumed>) = 0 [pid 2294] <... mount resumed>) = 0 [pid 2287] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2294] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2287] <... futex resumed>) = 1 [pid 2294] chdir("./file4" [pid 2288] <... futex resumed>) = 0 [pid 2287] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2288] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2288] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2287] <... futex resumed>) = 0 [pid 2287] exit_group(0) = ? [pid 2288] +++ exited with 0 +++ [pid 2287] +++ exited with 0 +++ [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2287, si_uid=0, si_status=0, si_utime=8, si_stime=17} --- [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 2294] <... chdir resumed>) = 0 [pid 2294] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 286] <... restart_syscall resumed>) = 0 [pid 2294] <... openat resumed>) = 4 [ 124.754820][ T2297] F2FS-fs (loop0): fault_type options not supported [ 124.764710][ T2297] F2FS-fs (loop0): invalid crc value [ 124.770583][ T2294] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 124.779908][ T2288] F2FS-fs (loop3): switch discard_unit option is not allowed [ 124.789598][ T2294] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 2294] ioctl(4, LOOP_CLR_FD) = 0 [pid 2294] close(4) = 0 [pid 286] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2294] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2293] <... futex resumed>) = 0 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2294] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2293] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 286] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2294] <... futex resumed>) = 0 [pid 2293] <... futex resumed>) = 1 [pid 286] <... openat resumed>) = 3 [pid 2294] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2293] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 286] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 286] umount2("./67/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2294] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2294] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2294] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2293] <... futex resumed>) = 0 [pid 2293] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2294] <... futex resumed>) = 0 [pid 2294] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [ 124.803971][ T2291] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 124.823971][ T2297] F2FS-fs (loop0): Found nat_bits in checkpoint [ 124.831492][ T2294] F2FS-fs (loop4): switch discard_unit option is not allowed [ 124.834201][ T2291] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 2293] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2301] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2294] <... symlink resumed>) = 0 [pid 2294] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2294] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2293] <... futex resumed>) = 0 [pid 2291] <... mount resumed>) = 0 [pid 2293] exit_group(0 [pid 2291] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 2293] <... exit_group resumed>) = ? [pid 2294] <... futex resumed>) = ? [pid 2294] +++ exited with 0 +++ [pid 2293] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2293, si_uid=0, si_status=0, si_utime=9, si_stime=19} --- [pid 2291] <... openat resumed>) = 3 [pid 287] restart_syscall(<... resuming interrupted clone ...> [pid 2291] chdir("./file4") = 0 [pid 2291] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 2291] ioctl(4, LOOP_CLR_FD) = 0 [pid 2291] close(4 [pid 287] <... restart_syscall resumed>) = 0 [pid 287] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 124.857564][ T2294] handle_bad_sector: 32 callbacks suppressed [ 124.857577][ T2294] attempt to access beyond end of device [ 124.857577][ T2294] loop4: rw=2049, want=53256, limit=40427 [pid 287] umount2("./67/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2291] <... close resumed>) = 0 [pid 2291] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2289] <... futex resumed>) = 0 [pid 2289] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2289] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2291] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 2291] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2289] <... futex resumed>) = 0 [pid 2289] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2289] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2291] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2291] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2289] <... futex resumed>) = 0 [pid 2289] exit_group(0) = ? [pid 2291] +++ exited with 0 +++ [pid 2289] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2289, si_uid=0, si_status=0, si_utime=12, si_stime=19} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 285] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 124.916858][ T287] attempt to access beyond end of device [ 124.916858][ T287] loop4: rw=2049, want=45104, limit=40427 [ 124.929563][ T2291] F2FS-fs (loop2): switch discard_unit option is not allowed [ 124.951809][ T2291] attempt to access beyond end of device [ 124.951809][ T2291] loop2: rw=2049, want=53256, limit=40427 [pid 285] umount2("./67/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2301] <... write resumed>) = 20699119 [pid 2301] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2301] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 2297] <... mount resumed>) = 0 [pid 2297] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2297] chdir("./file4") = 0 [pid 2297] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 2301] <... openat resumed>) = 4 [pid 2301] ioctl(4, LOOP_SET_FD, 3 [pid 2297] <... openat resumed>) = 4 [pid 2297] ioctl(4, LOOP_CLR_FD) = 0 [pid 2297] close(4) = 0 [pid 2297] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2301] <... ioctl resumed>) = 0 [pid 2297] <... futex resumed>) = 1 [pid 2296] <... futex resumed>) = 0 [pid 286] <... umount2 resumed>) = 0 [pid 2297] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2301] close(3) = 0 [pid 2296] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2296] <... futex resumed>) = 0 [pid 2297] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2296] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2301] close(4 [ 124.976221][ T2297] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 124.983336][ T2297] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 124.991569][ T285] attempt to access beyond end of device [ 124.991569][ T285] loop2: rw=2049, want=45104, limit=40427 [pid 286] umount2("./67/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./67/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./67/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./67/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./67/file4") = 0 [pid 286] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./67/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./67") = 0 [pid 286] mkdir("./68", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 2297] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2297] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2296] <... futex resumed>) = 0 [pid 2296] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2296] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2297] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2297] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2297] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2296] <... futex resumed>) = 0 [pid 2296] exit_group(0) = ? [pid 2297] <... futex resumed>) = ? [pid 2297] +++ exited with 0 +++ [pid 2296] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2296, si_uid=0, si_status=0, si_utime=6, si_stime=22} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./65/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2301] <... close resumed>) = 0 [pid 2301] mkdir("./file4", 0777) = 0 [ 125.054471][ T2297] F2FS-fs (loop0): switch discard_unit option is not allowed [ 125.064824][ T2297] attempt to access beyond end of device [ 125.064824][ T2297] loop0: rw=2049, want=53256, limit=40427 [ 125.088609][ T283] attempt to access beyond end of device [ 125.088609][ T283] loop0: rw=2049, want=45104, limit=40427 [pid 2301] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] <... openat resumed>) = 3 [pid 286] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 286] close(3) = 0 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2317 ./strace-static-x86_64: Process 2317 attached [pid 2317] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2317] chdir("./68") = 0 [pid 2317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2317] setpgid(0, 0) = 0 [pid 2317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2317] write(3, "1000", 4) = 4 [pid 2317] close(3) = 0 [pid 2317] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 2317] write(1, "executing program\n", 18) = 18 [pid 2317] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2317] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2317] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2317] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2317] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2318]}, 88) = 2318 [pid 2317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2317] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2317] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2318 attached [pid 2318] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2318] memfd_create("syzkaller", 0) = 3 [pid 2318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 125.151267][ T2301] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 125.170079][ T2301] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./67/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./67/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./67/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./67/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./67/file4") = 0 [pid 287] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./67/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./67") = 0 [pid 287] mkdir("./68", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 287] close(3) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2319 ./strace-static-x86_64: Process 2319 attached [pid 2319] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2319] chdir("./68") = 0 [pid 2319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2319] setpgid(0, 0) = 0 [pid 2319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2319] write(3, "1000", 4) = 4 [pid 2319] close(3) = 0 [pid 2319] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2319] write(1, "executing program\n", 18executing program ) = 18 [pid 2319] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2319] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2319] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2319] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2319] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2320]}, 88) = 2320 [pid 2319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2319] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 125.195787][ T2301] F2FS-fs (loop1): fault_injection options not supported [ 125.219637][ T2301] F2FS-fs (loop1): fault_type options not supported [pid 2319] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2320 attached [pid 2320] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2320] memfd_create("syzkaller", 0) = 3 [pid 2320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./67/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 125.272112][ T2301] F2FS-fs (loop1): invalid crc value [pid 285] newfstatat(AT_FDCWD, "./67/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./67/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./67/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./67/file4") = 0 [pid 285] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] unlink("./67/binderfs") = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./67") = 0 [pid 285] mkdir("./68", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 285] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] close(3) = 0 [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2323 ./strace-static-x86_64: Process 2323 attached [pid 2323] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2323] chdir("./68") = 0 [pid 2323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2323] setpgid(0, 0) = 0 [pid 2323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2323] write(3, "1000", 4) = 4 [pid 2323] close(3) = 0 [pid 2323] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2323] write(1, "executing program\n", 18executing program ) = 18 [pid 2323] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2323] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2323] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2324]}, 88) = 2324 [pid 2323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2323] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 125.309715][ T2301] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 2323] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 283] <... umount2 resumed>) = 0 [pid 283] umount2("./65/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./65/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./65/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./65/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./65/file4"./strace-static-x86_64: Process 2324 attached [pid 2324] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 283] <... rmdir resumed>) = 0 [pid 283] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./65/binderfs", [pid 2324] memfd_create("syzkaller", 0 [pid 283] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2324] <... memfd_create resumed>) = 3 [pid 283] unlink("./65/binderfs" [pid 2324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 283] <... unlink resumed>) = 0 [pid 283] getdents64(3, [pid 2324] <... mmap resumed>) = 0x7fb73baf6000 [pid 283] <... getdents64 resumed>0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./65") = 0 [pid 283] mkdir("./66", 0777) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 283] close(3) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2325 ./strace-static-x86_64: Process 2325 attached [pid 2325] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2325] chdir("./66") = 0 [pid 2325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2325] setpgid(0, 0) = 0 [pid 2325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2325] write(3, "1000", 4) = 4 [pid 2325] close(3) = 0 [pid 2325] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2325] write(1, "executing program\n", 18executing program ) = 18 [pid 2325] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2325] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2325] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2325] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2325] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2326]}, 88) = 2326 [pid 2325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2325] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2325] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2326 attached [pid 2326] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2326] memfd_create("syzkaller", 0) = 3 [pid 2326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2301] <... mount resumed>) = 0 [pid 2301] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2301] chdir("./file4") = 0 [pid 2301] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 2301] ioctl(4, LOOP_CLR_FD) = 0 [pid 2301] close(4) = 0 [pid 2301] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2301] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2299] <... futex resumed>) = 0 [pid 2299] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2299] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2301] <... futex resumed>) = 0 [pid 2301] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL) = -1 EINVAL (Invalid argument) [pid 2318] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2301] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2301] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2299] <... futex resumed>) = 0 [pid 2299] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2301] <... futex resumed>) = 0 [pid 2301] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [ 125.416049][ T2301] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 125.434428][ T2301] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 125.457370][ T2301] F2FS-fs (loop1): switch discard_unit option is not allowed [pid 2299] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2301] <... symlink resumed>) = 0 [pid 2301] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2301] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2299] <... futex resumed>) = 0 [pid 2299] exit_group(0) = ? [pid 2301] <... futex resumed>) = ? [pid 2301] +++ exited with 0 +++ [pid 2299] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2299, si_uid=0, si_status=0, si_utime=7, si_stime=18} --- [pid 284] restart_syscall(<... resuming interrupted clone ...> [pid 2320] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] <... restart_syscall resumed>) = 0 [pid 284] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 125.474353][ T2301] attempt to access beyond end of device [ 125.474353][ T2301] loop1: rw=2049, want=53256, limit=40427 [ 125.519523][ T284] attempt to access beyond end of device [ 125.519523][ T284] loop1: rw=2049, want=45104, limit=40427 [pid 284] umount2("./65/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2318] <... write resumed>) = 20699119 [pid 2318] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2318] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 2318] ioctl(4, LOOP_SET_FD, 3 [pid 2320] <... write resumed>) = 20699119 [pid 2318] <... ioctl resumed>) = 0 [pid 2318] close(3) = 0 [pid 2318] close(4) = 0 [pid 2318] mkdir("./file4", 0777) = 0 [pid 2318] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2320] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2320] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 2320] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2320] close(3) = 0 [pid 2320] close(4) = 0 [pid 2320] mkdir("./file4", 0777) = 0 [ 125.665179][ T2318] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 125.672759][ T2318] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 125.681895][ T2318] F2FS-fs (loop3): fault_injection options not supported [ 125.689287][ T2318] F2FS-fs (loop3): fault_type options not supported [ 125.692604][ T2320] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 125.697501][ T2318] F2FS-fs (loop3): invalid crc value [pid 2320] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [ 125.709979][ T2318] F2FS-fs (loop3): Found nat_bits in checkpoint [pid 2324] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [ 125.743732][ T2320] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [pid 2326] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 284] <... umount2 resumed>) = 0 [pid 2318] <... mount resumed>) = 0 [pid 2318] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2318] chdir("./file4") = 0 [pid 2318] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 284] umount2("./65/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2318] ioctl(4, LOOP_CLR_FD) = 0 [pid 2318] close(4 [pid 284] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 125.794516][ T2320] F2FS-fs (loop4): fault_injection options not supported [ 125.802113][ T2318] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 125.815756][ T2318] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 125.823345][ T2320] F2FS-fs (loop4): fault_type options not supported [pid 284] newfstatat(AT_FDCWD, "./65/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2318] <... close resumed>) = 0 [pid 2318] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2317] <... futex resumed>) = 0 [pid 2317] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2317] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2318] <... futex resumed>) = 1 [pid 2318] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 284] umount2("./65/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./65/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./65/file4") = 0 [pid 284] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./65/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./65") = 0 [pid 284] mkdir("./66", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2326] <... write resumed>) = 20699119 [pid 2318] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2318] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2317] <... futex resumed>) = 0 [pid 2317] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2317] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2318] <... futex resumed>) = 1 [pid 2318] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0"./strace-static-x86_64: Process 2335 attached [pid 2335] set_robust_list(0x55557d22a6a0, 24 [pid 284] <... clone resumed>, child_tidptr=0x55557d22a690) = 2335 [pid 2335] <... set_robust_list resumed>) = 0 [pid 2326] munmap(0x7fb73baf6000, 138412032 [pid 2335] chdir("./66" [pid 2326] <... munmap resumed>) = 0 [pid 2326] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 2326] ioctl(4, LOOP_SET_FD, 3 [pid 2335] <... chdir resumed>) = 0 [pid 2318] <... symlink resumed>) = 0 [pid 2318] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2317] <... futex resumed>) = 0 [pid 2317] exit_group(0) = ? [pid 2335] <... prctl resumed>) = 0 [pid 2335] setpgid(0, 0 [pid 2318] <... futex resumed>) = ? [pid 2335] <... setpgid resumed>) = 0 [pid 2335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2335] write(3, "1000", 4) = 4 [pid 2335] close(3 [pid 2318] +++ exited with 0 +++ [pid 2317] +++ exited with 0 +++ [pid 2335] <... close resumed>) = 0 [pid 286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2317, si_uid=0, si_status=0, si_utime=10, si_stime=19} --- [pid 2335] symlink("/dev/binderfs", "./binderfs" [pid 286] restart_syscall(<... resuming interrupted clone ...> [pid 2335] <... symlink resumed>) = 0 [pid 2326] <... ioctl resumed>) = 0 [pid 2326] close(3 [pid 2335] write(1, "executing program\n", 18 [pid 2326] <... close resumed>) = 0 [pid 2326] close(4) = 0 [pid 2326] mkdir("./file4", 0777executing program [ 125.841128][ T2320] F2FS-fs (loop4): invalid crc value [ 125.852625][ T2318] F2FS-fs (loop3): switch discard_unit option is not allowed [ 125.871933][ T2320] F2FS-fs (loop4): Found nat_bits in checkpoint [ 125.876558][ T2318] attempt to access beyond end of device [ 125.876558][ T2318] loop3: rw=2049, want=53256, limit=40427 [pid 2335] <... write resumed>) = 18 [pid 2326] <... mkdir resumed>) = 0 [pid 2326] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2335] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2335] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 286] <... restart_syscall resumed>) = 0 [pid 2335] <... rt_sigaction resumed>NULL, 8) = 0 [pid 2335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 286] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 286] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2335] <... mmap resumed>) = 0x7fb743ef6000 [pid 286] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2335] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 286] <... openat resumed>) = 3 [pid 286] newfstatat(3, "", [pid 2335] <... mprotect resumed>) = 0 [pid 286] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 2335] rt_sigprocmask(SIG_BLOCK, ~[], [pid 286] getdents64(3, [pid 2335] <... rt_sigprocmask resumed>[], 8) = 0 [pid 286] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 2335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 286] umount2("./68/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2335] <... clone3 resumed> => {parent_tid=[2337]}, 88) = 2337 ./strace-static-x86_64: Process 2337 attached [pid 2335] rt_sigprocmask(SIG_SETMASK, [], [pid 2337] set_robust_list(0x7fb743f169a0, 24 [pid 2335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2335] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2337] <... set_robust_list resumed>) = 0 [pid 2335] <... futex resumed>) = 0 [pid 2337] rt_sigprocmask(SIG_SETMASK, [], [pid 2335] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2337] memfd_create("syzkaller", 0) = 3 [pid 2337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2324] <... write resumed>) = 20699119 [pid 2324] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2324] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 2324] ioctl(4, LOOP_SET_FD, 3) = 0 [ 125.898510][ T2326] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 125.909124][ T286] attempt to access beyond end of device [ 125.909124][ T286] loop3: rw=2049, want=45104, limit=40427 [ 125.920839][ T2326] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 125.930958][ T2326] F2FS-fs (loop0): fault_injection options not supported [ 125.938377][ T2326] F2FS-fs (loop0): fault_type options not supported [pid 2324] close(3) = 0 [pid 2324] close(4) = 0 [pid 2324] mkdir("./file4", 0777) = 0 [ 125.966432][ T2326] F2FS-fs (loop0): invalid crc value [ 125.969172][ T2324] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 125.979734][ T2326] F2FS-fs (loop0): Found nat_bits in checkpoint [ 125.991016][ T2324] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 125.999434][ T2324] F2FS-fs (loop2): fault_injection options not supported [ 126.006734][ T2324] F2FS-fs (loop2): fault_type options not supported [pid 2324] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2320] <... mount resumed>) = 0 [pid 2320] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2320] chdir("./file4") = 0 [ 126.014291][ T2324] F2FS-fs (loop2): invalid crc value [ 126.029900][ T2324] F2FS-fs (loop2): Found nat_bits in checkpoint [ 126.038912][ T2320] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 126.056534][ T2320] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [pid 2320] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 2320] ioctl(4, LOOP_CLR_FD) = 0 [pid 2320] close(4) = 0 [pid 2320] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2319] <... futex resumed>) = 0 [pid 2320] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2319] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2324] <... mount resumed>) = 0 [pid 2319] <... futex resumed>) = 0 [pid 2319] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2324] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2324] chdir("./file4") = 0 [pid 2324] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 2324] ioctl(4, LOOP_CLR_FD) = 0 [pid 2324] close(4) = 0 [pid 2324] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2323] <... futex resumed>) = 0 [pid 2324] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2323] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2324] <... futex resumed>) = 0 [pid 2324] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [ 126.086078][ T2324] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 126.093155][ T2324] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 126.101815][ T2320] F2FS-fs (loop4): switch discard_unit option is not allowed [ 126.116201][ T2326] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 126.125245][ T2324] F2FS-fs (loop2): switch discard_unit option is not allowed [pid 2323] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2324] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2324] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2323] <... futex resumed>) = 0 [pid 2324] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 2323] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2320] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2324] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2320] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2323] <... futex resumed>) = 0 [pid 2323] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2324] <... symlink resumed>) = 0 [pid 2320] <... futex resumed>) = 1 [pid 2324] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2320] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2319] <... futex resumed>) = 0 [pid 2324] <... futex resumed>) = 1 [pid 2324] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2323] <... futex resumed>) = 0 [pid 2319] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2323] exit_group(0 [pid 2320] <... futex resumed>) = 0 [pid 2319] <... futex resumed>) = 1 [pid 2320] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2323] <... exit_group resumed>) = ? [pid 2319] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2320] <... symlink resumed>) = 0 [pid 2324] <... futex resumed>) = ? [pid 2324] +++ exited with 0 +++ [pid 2323] +++ exited with 0 +++ [pid 2320] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2319] <... futex resumed>) = 0 [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2323, si_uid=0, si_status=0, si_utime=11, si_stime=19} --- [pid 2320] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2319] exit_group(0 [pid 285] restart_syscall(<... resuming interrupted clone ...> [pid 2319] <... exit_group resumed>) = ? [pid 2320] <... futex resumed>) = ? [pid 2320] +++ exited with 0 +++ [pid 2319] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2319, si_uid=0, si_status=0, si_utime=11, si_stime=20} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, [pid 285] <... restart_syscall resumed>) = 0 [pid 287] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 287] umount2("./68/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 126.133838][ T2326] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 285] umount2("./68/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2337] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2326] <... mount resumed>) = 0 [pid 2326] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2326] chdir("./file4") = 0 [pid 2326] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 2326] ioctl(4, LOOP_CLR_FD) = 0 [pid 2326] close(4) = 0 [pid 2326] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2325] <... futex resumed>) = 0 [pid 2326] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2325] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2325] <... futex resumed>) = 0 [pid 2326] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2325] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2326] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2326] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2325] <... futex resumed>) = 0 [pid 2326] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2325] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2325] <... futex resumed>) = 0 [pid 2326] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2325] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2326] <... symlink resumed>) = 0 [pid 2326] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2325] <... futex resumed>) = 0 [pid 2326] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2325] exit_group(0) = ? [pid 2326] <... futex resumed>) = ? [pid 2326] +++ exited with 0 +++ [pid 2325] +++ exited with 0 +++ [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2325, si_uid=0, si_status=0, si_utime=8, si_stime=18} --- [pid 283] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 283] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 126.195586][ T2326] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 283] umount2("./66/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 286] <... umount2 resumed>) = 0 [pid 286] umount2("./68/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./68/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] umount2("./68/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] openat(AT_FDCWD, "./68/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 286] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 286] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 286] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 286] close(4) = 0 [pid 286] rmdir("./68/file4") = 0 [pid 286] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 286] newfstatat(AT_FDCWD, "./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 286] unlink("./68/binderfs") = 0 [pid 286] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 286] close(3) = 0 [pid 286] rmdir("./68") = 0 [pid 286] mkdir("./69", 0777) = 0 [pid 286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 286] ioctl(3, LOOP_CLR_FD [pid 2337] <... write resumed>) = 20699119 [pid 2337] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2337] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 287] <... umount2 resumed>) = 0 [pid 287] umount2("./68/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./68/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] umount2("./68/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./68/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 287] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 287] close(4) = 0 [pid 287] rmdir("./68/file4") = 0 [pid 287] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./68/binderfs") = 0 [pid 287] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./68") = 0 [pid 287] mkdir("./69", 0777) = 0 [pid 287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 2337] <... openat resumed>) = 4 [pid 286] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 2337] ioctl(4, LOOP_SET_FD, 3 [pid 286] close(3 [pid 2337] <... ioctl resumed>) = 0 [pid 287] <... openat resumed>) = 3 [pid 2337] close(3) = 0 [pid 2337] close(4 [pid 287] ioctl(3, LOOP_CLR_FD [pid 285] <... umount2 resumed>) = 0 [pid 285] umount2("./68/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./68/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 285] umount2("./68/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./68/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 285] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 285] close(4) = 0 [pid 285] rmdir("./68/file4" [pid 283] <... umount2 resumed>) = 0 [pid 285] <... rmdir resumed>) = 0 [pid 283] umount2("./66/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 285] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 283] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./66/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./66/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 285] newfstatat(AT_FDCWD, "./68/binderfs", [pid 283] openat(AT_FDCWD, "./66/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 285] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./66/file4" [pid 285] unlink("./68/binderfs" [pid 283] <... rmdir resumed>) = 0 [pid 283] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./66/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./66") = 0 [pid 283] mkdir("./67", 0777 [pid 285] <... unlink resumed>) = 0 [pid 283] <... mkdir resumed>) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 285] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 285] close(3) = 0 [pid 285] rmdir("./68") = 0 [pid 285] mkdir("./69", 0777) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 2337] <... close resumed>) = 0 [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 286] <... close resumed>) = 0 [pid 2337] mkdir("./file4", 0777 [pid 287] close(3 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2337] <... mkdir resumed>) = 0 [pid 2337] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 286] <... clone resumed>, child_tidptr=0x55557d22a690) = 2347 ./strace-static-x86_64: Process 2347 attached [pid 2347] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2347] chdir("./69") = 0 [pid 2347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2347] setpgid(0, 0) = 0 [pid 2347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2347] write(3, "1000", 4) = 4 [pid 2347] close(3) = 0 [pid 2347] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2347] write(1, "executing program\n", 18executing program ) = 18 [pid 2347] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2347] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2347] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0}./strace-static-x86_64: Process 2348 attached [pid 2348] set_robust_list(0x7fb743f169a0, 24 [pid 2347] <... clone3 resumed> => {parent_tid=[2348]}, 88) = 2348 [pid 2348] <... set_robust_list resumed>) = 0 [pid 2348] rt_sigprocmask(SIG_SETMASK, [], [pid 2347] rt_sigprocmask(SIG_SETMASK, [], [pid 2348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2348] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2347] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2348] <... futex resumed>) = 0 [pid 2347] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2348] memfd_create("syzkaller", 0) = 3 [pid 2348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 287] <... close resumed>) = 0 [pid 285] <... openat resumed>) = 3 [pid 283] <... openat resumed>) = 3 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 285] ioctl(3, LOOP_CLR_FD [pid 283] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 285] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 287] <... clone resumed>, child_tidptr=0x55557d22a690) = 2349 [pid 283] close(3 [pid 285] close(3 [pid 283] <... close resumed>) = 0 [pid 285] <... close resumed>) = 0 [pid 283] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 283] <... clone resumed>, child_tidptr=0x55557d22a690) = 2350 [pid 285] <... clone resumed>, child_tidptr=0x55557d22a690) = 2351 ./strace-static-x86_64: Process 2349 attached [pid 2349] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2349] chdir("./69") = 0 [pid 2349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2349] setpgid(0, 0) = 0 [pid 2349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2349] write(3, "1000", 4) = 4 [pid 2349] close(3) = 0 [pid 2349] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2349] write(1, "executing program\n", 18executing program ) = 18 [pid 2349] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2349] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2349] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2349] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} => {parent_tid=[2352]}, 88) = 2352 [pid 2349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2349] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2349] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2351 attached ./strace-static-x86_64: Process 2350 attached [pid 2351] set_robust_list(0x55557d22a6a0, 24 [pid 2350] set_robust_list(0x55557d22a6a0, 24 [pid 2351] <... set_robust_list resumed>) = 0 [pid 2350] <... set_robust_list resumed>) = 0 [pid 2351] chdir("./69") = 0 [pid 2350] chdir("./67" [pid 2351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2350] <... chdir resumed>) = 0 [pid 2351] setpgid(0, 0 [pid 2350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2351] <... setpgid resumed>) = 0 [pid 2350] <... prctl resumed>) = 0 [pid 2351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2350] setpgid(0, 0 [pid 2351] write(3, "1000", 4 [pid 2350] <... setpgid resumed>) = 0 [pid 2350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2351] <... write resumed>) = 4 [pid 2351] close(3) = 0 [pid 2351] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2350] <... openat resumed>) = 3 [pid 2351] write(1, "executing program\n", 18executing program [pid 2350] write(3, "1000", 4) = 4 [pid 2351] <... write resumed>) = 18 [pid 2350] close(3) = 0 [pid 2351] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2350] symlink("/dev/binderfs", "./binderfs" [pid 2351] <... futex resumed>) = 0 [pid 2351] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, NULL, 8) = 0 [pid 2351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 2350] <... symlink resumed>) = 0 [pid 2351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2350] write(1, "executing program\n", 18executing program [pid 2351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2350] <... write resumed>) = 18 [pid 2351] <... mmap resumed>) = 0x7fb743ef6000 [pid 2350] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2351] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 2350] <... futex resumed>) = 0 [pid 2351] <... mprotect resumed>) = 0 [pid 2351] rt_sigprocmask(SIG_BLOCK, ~[], [pid 2350] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 2351] <... rt_sigprocmask resumed>[], 8) = 0 [pid 2350] <... rt_sigaction resumed>NULL, 8) = 0 [pid 2351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 2350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 2352 attached NULL, 8) = 0 [pid 2352] set_robust_list(0x7fb743f169a0, 24 [pid 2351] <... clone3 resumed> => {parent_tid=[2353]}, 88) = 2353 [pid 2350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2351] rt_sigprocmask(SIG_SETMASK, [], [pid 2352] <... set_robust_list resumed>) = 0 [pid 2350] <... mmap resumed>) = 0x7fb743ef6000 [pid 2351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2352] rt_sigprocmask(SIG_SETMASK, [], [pid 2350] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE [pid 2351] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2350] <... mprotect resumed>) = 0 [pid 2351] <... futex resumed>) = 0 [pid 2350] rt_sigprocmask(SIG_BLOCK, ~[], [pid 2351] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2352] memfd_create("syzkaller", 0 [pid 2350] <... rt_sigprocmask resumed>[], 8) = 0 [pid 2352] <... memfd_create resumed>) = 3 [pid 2350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 2352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 2350] <... clone3 resumed> => {parent_tid=[2354]}, 88) = 2354 [pid 2350] rt_sigprocmask(SIG_SETMASK, [], [pid 2352] <... mmap resumed>) = 0x7fb73baf6000 [pid 2350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2350] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 2354 attached ) = 0 [pid 2354] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2354] memfd_create("syzkaller", 0 [pid 2350] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 2354] <... memfd_create resumed>) = 3 [pid 2354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 ./strace-static-x86_64: Process 2353 attached [pid 2353] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2353] memfd_create("syzkaller", 0) = 3 [pid 2353] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [ 126.429762][ T2337] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) [ 126.450362][ T2337] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock [ 126.511439][ T2337] F2FS-fs (loop1): fault_injection options not supported [ 126.529082][ T2337] F2FS-fs (loop1): fault_type options not supported [ 126.556820][ T2337] F2FS-fs (loop1): invalid crc value [ 126.584160][ T2337] F2FS-fs (loop1): Found nat_bits in checkpoint [pid 2348] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2354] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2348] <... write resumed>) = 20699119 [pid 2348] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2348] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 2348] ioctl(4, LOOP_SET_FD, 3 [pid 2337] <... mount resumed>) = 0 [pid 2337] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 2348] <... ioctl resumed>) = 0 [pid 2348] close(3) = 0 [pid 2348] close(4 [pid 2337] <... openat resumed>) = 3 [pid 2337] chdir("./file4") = 0 [ 126.709284][ T2337] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0 [ 126.726704][ T2337] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [pid 2337] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 2348] <... close resumed>) = 0 [pid 2337] <... openat resumed>) = 4 [pid 2348] mkdir("./file4", 0777) = 0 [pid 2337] ioctl(4, LOOP_CLR_FD [pid 2348] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2352] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2353] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2354] <... write resumed>) = 20699119 [pid 2354] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2354] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 2337] <... ioctl resumed>) = 0 [pid 2354] <... openat resumed>) = 4 [pid 2354] ioctl(4, LOOP_SET_FD, 3 [pid 2337] close(4 [pid 2354] <... ioctl resumed>) = 0 [pid 2337] <... close resumed>) = 0 [pid 2337] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2354] close(3 [pid 2337] <... futex resumed>) = 1 [pid 2335] <... futex resumed>) = 0 [pid 2354] <... close resumed>) = 0 [pid 2337] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2335] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2354] close(4 [pid 2335] <... futex resumed>) = 0 [pid 2335] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2337] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2354] <... close resumed>) = 0 [pid 2352] <... write resumed>) = 20699119 [pid 2352] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2352] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 2352] ioctl(4, LOOP_SET_FD, 3 [pid 2337] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2337] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2337] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2335] <... futex resumed>) = 0 [pid 2354] mkdir("./file4", 0777 [pid 2335] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2354] <... mkdir resumed>) = 0 [pid 2335] <... futex resumed>) = 1 [pid 2335] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2354] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2337] <... futex resumed>) = 0 [pid 2337] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2337] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2337] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2335] <... futex resumed>) = 0 [pid 2335] exit_group(0) = ? [pid 2337] <... futex resumed>) = ? [pid 2337] +++ exited with 0 +++ [pid 2335] +++ exited with 0 +++ [pid 284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2335, si_uid=0, si_status=0, si_utime=8, si_stime=15} --- [pid 284] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 284] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 284] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 284] umount2("./66/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2352] <... ioctl resumed>) = 0 [pid 2352] close(3) = 0 [pid 2352] close(4) = 0 [pid 2352] mkdir("./file4", 0777) = 0 [ 126.839805][ T2348] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504) [ 126.850825][ T2337] F2FS-fs (loop1): switch discard_unit option is not allowed [ 126.865903][ T2348] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [pid 2352] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 2353] <... write resumed>) = 20699119 [pid 2353] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2353] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 2353] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 2353] close(3) = 0 [pid 2353] close(4) = 0 [pid 2353] mkdir("./file4", 0777) = 0 [ 126.919685][ T2352] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504) [ 126.922494][ T2354] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 126.935999][ T2352] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 126.944300][ T2348] F2FS-fs (loop3): fault_injection options not supported [ 126.946618][ T2352] F2FS-fs (loop4): fault_injection options not supported [ 126.962838][ T2353] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504) [ 126.964484][ T2354] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 126.978555][ T2353] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock [ 126.985811][ T2348] F2FS-fs (loop3): fault_type options not supported [ 126.989567][ T2352] F2FS-fs (loop4): fault_type options not supported [ 126.999540][ T2354] F2FS-fs (loop0): fault_injection options not supported [ 127.000863][ T2353] F2FS-fs (loop2): fault_injection options not supported [ 127.007412][ T2354] F2FS-fs (loop0): fault_type options not supported [ 127.015968][ T2352] F2FS-fs (loop4): invalid crc value [ 127.026471][ T2348] F2FS-fs (loop3): invalid crc value [ 127.026507][ T2353] F2FS-fs (loop2): fault_type options not supported [ 127.040403][ T2354] F2FS-fs (loop0): invalid crc value [ 127.046495][ T2353] F2FS-fs (loop2): invalid crc value [ 127.046722][ T2348] F2FS-fs (loop3): Found nat_bits in checkpoint [ 127.058722][ T2352] F2FS-fs (loop4): Found nat_bits in checkpoint [pid 2353] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 284] <... umount2 resumed>) = 0 [pid 284] umount2("./66/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./66/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] umount2("./66/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] openat(AT_FDCWD, "./66/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 284] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 284] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 284] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 284] close(4) = 0 [pid 284] rmdir("./66/file4") = 0 [pid 284] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 284] newfstatat(AT_FDCWD, "./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 284] unlink("./66/binderfs") = 0 [pid 284] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 284] close(3) = 0 [pid 284] rmdir("./66") = 0 [pid 284] mkdir("./67", 0777) = 0 [pid 284] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 284] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 127.090210][ T2353] F2FS-fs (loop2): Found nat_bits in checkpoint [ 127.100885][ T2354] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 284] close(3) = 0 [pid 284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d22a690) = 2371 [pid 2354] <... mount resumed>) = 0 ./strace-static-x86_64: Process 2371 attached [pid 2371] set_robust_list(0x55557d22a6a0, 24) = 0 [pid 2371] chdir("./67") = 0 [pid 2371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2354] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2354] chdir("./file4" [pid 2371] <... prctl resumed>) = 0 [pid 2354] <... chdir resumed>) = 0 [pid 2354] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 2354] ioctl(4, LOOP_CLR_FD) = 0 [pid 2354] close(4 [pid 2371] setpgid(0, 0) = 0 [pid 2371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2371] write(3, "1000", 4) = 4 [pid 2371] close(3) = 0 [pid 2371] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2371] write(1, "executing program\n", 18executing program ) = 18 [pid 2354] <... close resumed>) = 0 [pid 2371] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2354] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2354] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2350] <... futex resumed>) = 0 [pid 2371] <... futex resumed>) = 0 [pid 2350] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2371] rt_sigaction(SIGRT_1, {sa_handler=0x7fb743f80220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb743f713d0}, [pid 2354] <... futex resumed>) = 0 [pid 2354] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2371] <... rt_sigaction resumed>NULL, 8) = 0 [pid 2350] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2371] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 2354] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 2371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ef6000 [pid 2371] mprotect(0x7fb743ef7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2371] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 127.156281][ T2354] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 127.163538][ T2354] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 127.191979][ T2354] F2FS-fs (loop0): switch discard_unit option is not allowed [pid 2371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743f16990, parent_tid=0x7fb743f16990, exit_signal=0, stack=0x7fb743ef6000, stack_size=0x20300, tls=0x7fb743f166c0} [pid 2354] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2354] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2371] <... clone3 resumed> => {parent_tid=[2373]}, 88) = 2373 [pid 2371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2371] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2371] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 2373 attached [pid 2373] set_robust_list(0x7fb743f169a0, 24) = 0 [pid 2373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2373] memfd_create("syzkaller", 0 [pid 2350] <... futex resumed>) = 0 [pid 2373] <... memfd_create resumed>) = 3 [pid 2373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb73baf6000 [pid 2350] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2354] <... futex resumed>) = 0 [pid 2350] <... futex resumed>) = 1 [pid 2354] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [pid 2352] <... mount resumed>) = 0 [pid 2350] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2354] <... symlink resumed>) = 0 [pid 2352] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY [pid 2354] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2354] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2352] <... openat resumed>) = 3 [pid 2350] <... futex resumed>) = 0 [pid 2352] chdir("./file4" [pid 2350] exit_group(0 [pid 2354] <... futex resumed>) = ? [pid 2352] <... chdir resumed>) = 0 [pid 2350] <... exit_group resumed>) = ? [pid 2354] +++ exited with 0 +++ [pid 2352] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 2348] <... mount resumed>) = 0 [pid 2348] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2348] chdir("./file4") = 0 [pid 2348] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 2348] ioctl(4, LOOP_CLR_FD) = 0 [pid 2348] close(4 [pid 2352] <... openat resumed>) = 4 [pid 2350] +++ exited with 0 +++ [pid 2352] ioctl(4, LOOP_CLR_FD [pid 283] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2350, si_uid=0, si_status=0, si_utime=6, si_stime=18} --- [pid 2348] <... close resumed>) = 0 [pid 2348] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2347] <... futex resumed>) = 0 [pid 2347] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2347] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2348] <... futex resumed>) = 1 [pid 2348] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2352] <... ioctl resumed>) = 0 [ 127.203410][ T2352] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0 [ 127.211921][ T2352] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 127.221270][ T2348] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 127.228642][ T2348] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 127.236408][ T2353] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0 [ 127.243459][ T2353] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [pid 2352] close(4) = 0 [pid 2352] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2349] <... futex resumed>) = 0 [pid 2349] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2352] <... futex resumed>) = 1 [pid 2349] <... futex resumed>) = 0 [pid 2349] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2352] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 283] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2353] <... mount resumed>) = 0 [pid 2353] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3 [pid 2353] chdir("./file4") = 0 [pid 2353] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 283] <... openat resumed>) = 3 [pid 2353] ioctl(4, LOOP_CLR_FD) = 0 [pid 2353] close(4 [pid 283] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 283] umount2("./67/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2352] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2352] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2349] <... futex resumed>) = 0 [pid 2349] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2349] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2352] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2353] <... close resumed>) = 0 [pid 2353] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2353] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2351] <... futex resumed>) = 0 [pid 2352] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 2351] futex(0x7fb743fe76a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 2352] <... futex resumed>) = 1 [pid 2351] <... futex resumed>) = 1 [pid 2349] <... futex resumed>) = 0 [pid 2349] exit_group(0) = ? [pid 2353] <... futex resumed>) = 0 [ 127.262981][ T2348] F2FS-fs (loop3): switch discard_unit option is not allowed [ 127.273676][ T2352] F2FS-fs (loop4): switch discard_unit option is not allowed [pid 2353] mount(NULL, ".", NULL, MS_REMOUNT|MS_NODIRATIME|MS_REC, NULL [pid 2351] futex(0x7fb743fe76ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2347] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 2347] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb743ed5000 [pid 2347] mprotect(0x7fb743ed6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743ef5990, parent_tid=0x7fb743ef5990, exit_signal=0, stack=0x7fb743ed5000, stack_size=0x20300, tls=0x7fb743ef56c0} [pid 2352] +++ exited with 0 +++ [pid 2349] +++ exited with 0 +++ [pid 2347] <... clone3 resumed> => {parent_tid=[2376]}, 88) = 2376 [pid 2347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2347] futex(0x7fb743fe76b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2347] futex(0x7fb743fe76bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2349, si_uid=0, si_status=0, si_utime=9, si_stime=23} --- [pid 287] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 2376 attached ) = -1 EINVAL (Invalid argument) [pid 2376] set_robust_list(0x7fb743ef59a0, 24 [pid 287] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2376] <... set_robust_list resumed>) = 0 [pid 2376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 127.308190][ T2353] F2FS-fs (loop2): switch discard_unit option is not allowed [ 127.326641][ T2376] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 127.338411][ T2376] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 127.347119][ T2376] CPU: 0 PID: 2376 Comm: syz-executor173 Not tainted 5.10.239-syzkaller #0 [pid 2376] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0" [ 127.355717][ T2376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 127.365906][ T2376] RIP: 0010:update_sit_entry+0x58e/0xf50 [ 127.371689][ T2376] Code: 00 00 49 8d 5d 18 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 10 19 94 ff 48 8b 1b 48 03 5d a8 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 ab 08 00 00 44 0f b6 33 44 89 f0 44 8b [ 127.391322][ T2376] RSP: 0018:ffffc90005766e10 EFLAGS: 00010246 [ 127.397412][ T2376] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [pid 2373] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 2353] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 2351] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 2348] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 287] <... openat resumed>) = 3 [pid 2351] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 2348] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] newfstatat(3, "", [pid 2351] <... futex resumed>) = 0 [pid 2348] <... futex resumed>) = 0 [pid 287] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 2351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2348] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 287] getdents64(3, [pid 2351] <... mmap resumed>) = 0x7fb743ed5000 [pid 287] <... getdents64 resumed>0x55557d22b730 /* 4 entries */, 32768) = 112 [pid 2351] mprotect(0x7fb743ed6000, 131072, PROT_READ|PROT_WRITE [pid 287] umount2("./69/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2351] <... mprotect resumed>) = 0 [pid 2351] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb743ef5990, parent_tid=0x7fb743ef5990, exit_signal=0, stack=0x7fb743ed5000, stack_size=0x20300, tls=0x7fb743ef56c0} => {parent_tid=[2377]}, 88) = 2377 [pid 2351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2351] futex(0x7fb743fe76b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2351] futex(0x7fb743fe76bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2353] futex(0x7fb743fe76ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 127.405412][ T2376] RDX: ffff88810af3bb40 RSI: 0000000000000000 RDI: 0000000000000000 [ 127.413408][ T2376] RBP: ffffc90005766e90 R08: ffff88810af3bb40 R09: 0000000000000003 [ 127.421406][ T2376] R10: 00000000ffffffff R11: 0000000000000000 R12: dffffc0000000000 [ 127.429408][ T2376] R13: ffff88811163e878 R14: ffff888111f180c0 R15: ffff888111f18000 [ 127.437531][ T2376] FS: 00007fb743ef56c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 127.446596][ T2376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 127.453210][ T2376] CR2: 000020000000b000 CR3: 0000000111d19000 CR4: 00000000003506b0 [ 127.461192][ T2376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 127.469194][ T2376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 127.477187][ T2376] Call Trace: [ 127.480501][ T2376] f2fs_allocate_data_block+0x156b/0x3a10 [ 127.486260][ T2376] ? f2fs_io_type_to_rw_hint+0x1e0/0x1e0 [ 127.491958][ T2376] ? __this_cpu_preempt_check+0x13/0x20 [ 127.497530][ T2376] ? __kasan_check_read+0x11/0x20 [ 127.502581][ T2376] ? __get_segment_type+0xad1/0xd70 [ 127.507800][ T2376] do_write_page+0x2bb/0x810 [ 127.512410][ T2376] ? f2fs_do_write_node_page+0xc0/0xc0 [ 127.517905][ T2376] ? test_clear_page_writeback+0x700/0x700 [ 127.523711][ T2376] ? f2fs_try_to_free_nats+0x330/0x330 [ 127.529179][ T2376] ? __init_rwsem+0x1c0/0x1c0 [ 127.533880][ T2376] f2fs_outplace_write_data+0xf6/0x240 [ 127.539343][ T2376] f2fs_do_write_data_page+0xad4/0x11d0 [ 127.544923][ T2376] ? f2fs_inode_chksum_verify+0xd2/0x4a0 [ 127.550575][ T2376] ? page_private_dummy+0xf0/0xf0 [ 127.555617][ T2376] ? f2fs_ra_node_page+0x260/0x260 [ 127.560894][ T2376] f2fs_write_single_data_page+0xde2/0x1650 [ 127.566800][ T2376] ? __kasan_check_write+0x14/0x20 [ 127.571916][ T2376] ? f2fs_i_compr_blocks_update+0x160/0x160 [ 127.577804][ T2376] ? __this_cpu_preempt_check+0x13/0x20 [ 127.583353][ T2376] ? wait_on_page_writeback+0x1e0/0x1e0 [ 127.588899][ T2376] f2fs_write_data_pages+0x193c/0x28f0 [ 127.594382][ T2376] ? f2fs_read_data_page+0x330/0x330 [ 127.599673][ T2376] ? __kasan_check_write+0x14/0x20 [ 127.604816][ T2376] ? _raw_spin_lock+0x8e/0xe0 [ 127.609493][ T2376] ? __kasan_check_write+0x14/0x20 [ 127.614600][ T2376] ? _raw_spin_lock+0x8e/0xe0 [ 127.619270][ T2376] ? _raw_spin_trylock_bh+0x130/0x130 [ 127.624643][ T2376] ? _raw_spin_trylock_bh+0x130/0x130 [ 127.630052][ T2376] ? f2fs_update_dirty_page+0x608/0x6c0 [ 127.635619][ T2376] ? f2fs_read_data_page+0x330/0x330 [ 127.640910][ T2376] do_writepages+0x12a/0x270 [ 127.645504][ T2376] ? _raw_spin_trylock_bh+0x130/0x130 [ 127.650874][ T2376] ? __writepage+0x130/0x130 [ 127.655490][ T2376] ? __kasan_check_write+0x14/0x20 [ 127.660609][ T2376] ? _raw_spin_unlock+0x4d/0x70 [ 127.665469][ T2376] __filemap_fdatawrite_range+0x2bc/0x360 [ 127.671190][ T2376] ? filemap_check_errors+0x120/0x120 [ 127.676558][ T2376] ? _raw_spin_lock+0x8e/0xe0 [ 127.681228][ T2376] ? _raw_spin_unlock+0x4d/0x70 [ 127.686079][ T2376] filemap_write_and_wait_range+0x65/0x290 [ 127.691884][ T2376] f2fs_symlink+0x6c5/0x950 [ 127.696383][ T2376] ? f2fs_unlink+0x930/0x930 [ 127.700992][ T2376] ? from_kgid+0x159/0x680 [ 127.705416][ T2376] ? security_inode_symlink+0xba/0x100 [ 127.710885][ T2376] vfs_symlink+0x380/0x520 [ 127.715301][ T2376] do_symlinkat+0x103/0x3b0 [ 127.719801][ T2376] __x64_sys_symlink+0x60/0x70 [ 127.724570][ T2376] do_syscall_64+0x31/0x40 [ 127.728986][ T2376] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 127.734874][ T2376] RIP: 0033:0x7fb743f59e09 [ 127.739289][ T2376] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 127.758894][ T2376] RSP: 002b:00007fb743ef5218 EFLAGS: 00000246 ORIG_RAX: 0000000000000058 [ 127.767302][ T2376] RAX: ffffffffffffffda RBX: 00007fb743fe76b8 RCX: 00007fb743f59e09 [ 127.775269][ T2376] RDX: 0000000000000000 RSI: 0000200000000cc0 RDI: 000020000000a900 [ 127.783250][ T2376] RBP: 00007fb743fe76b0 R08: 00007ffc1c77f827 R09: 0000000000000000 [ 127.791230][ T2376] R10: 0000000000000000 R11: 0000000000000246 R12: 000020000000a900 [ 127.799199][ T2376] R13: 0000200000000cc0 R14: 00007ffc1c77f740 R15: 0000200000000100 [pid 2353] futex(0x7fb743fe76a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2351] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 2347] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 2377 attached [pid 2377] set_robust_list(0x7fb743ef59a0, 24) = 0 [ 127.807178][ T2376] Modules linked in: [ 127.811520][ T2376] ---[ end trace e59c9341bf8f40f2 ]--- [ 127.817514][ T24] kauditd_printk_skb: 1 callbacks suppressed [ 127.817528][ T24] audit: type=1400 audit(1752949536.940:75): avc: denied { read } for pid=77 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [pid 2377] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2377] symlink("./file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0") = 0 [pid 2377] futex(0x7fb743fe76bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2377] futex(0x7fb743fe76b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2351] exit_group(0 [pid 2377] <... futex resumed>) = ? [pid 2353] <... futex resumed>) = ? [pid 2351] <... exit_group resumed>) = ? [pid 2377] +++ exited with 0 +++ [pid 2353] +++ exited with 0 +++ [pid 2351] +++ exited with 0 +++ [pid 285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2351, si_uid=0, si_status=0, si_utime=7, si_stime=23} --- [pid 285] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 2373] <... write resumed>) = 20699119 [pid 2373] munmap(0x7fb73baf6000, 138412032) = 0 [pid 2373] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 127.859605][ T24] audit: type=1400 audit(1752949536.940:76): avc: denied { search } for pid=77 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 127.865811][ T2376] RIP: 0010:update_sit_entry+0x58e/0xf50 [pid 2373] ioctl(4, LOOP_SET_FD, 3 [pid 285] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2373] <... ioctl resumed>) = 0 [pid 2373] close(3) = 0 [pid 2373] close(4 [pid 285] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 285] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 285] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 285] getdents64(3, 0x55557d22b730 /* 4 entries */, 32768) = 112 [ 127.904206][ T2376] Code: 00 00 49 8d 5d 18 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 10 19 94 ff 48 8b 1b 48 03 5d a8 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 ab 08 00 00 44 0f b6 33 44 89 f0 44 8b [ 127.924211][ T24] audit: type=1400 audit(1752949536.940:77): avc: denied { write } for pid=77 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 127.925911][ T2376] RSP: 0018:ffffc90005766e10 EFLAGS: 00010246 [ 127.952604][ T2376] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [pid 285] umount2("./69/file4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2373] <... close resumed>) = 0 [pid 2373] mkdir("./file4", 0777) = 0 [pid 2373] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... [pid 283] <... umount2 resumed>) = 0 [ 127.961276][ T2376] RDX: ffff88810af3bb40 RSI: 0000000000000000 RDI: 0000000000000000 [ 127.970991][ T2376] RBP: ffffc90005766e90 R08: ffff88810af3bb40 R09: 0000000000000003 [ 127.979112][ T2376] R10: 00000000ffffffff R11: 0000000000000000 R12: dffffc0000000000 [ 127.987647][ T2376] R13: ffff88811163e878 R14: ffff888111f180c0 R15: ffff888111f18000 [pid 283] umount2("./67/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./67/file4", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] umount2("./67/file4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] openat(AT_FDCWD, "./67/file4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 283] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 283] getdents64(4, 0x55557d233770 /* 2 entries */, 32768) = 48 [pid 283] getdents64(4, 0x55557d233770 /* 0 entries */, 32768) = 0 [pid 283] close(4) = 0 [pid 283] rmdir("./67/file4") = 0 [pid 283] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 283] newfstatat(AT_FDCWD, "./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 283] unlink("./67/binderfs") = 0 [pid 283] getdents64(3, 0x55557d22b730 /* 0 entries */, 32768) = 0 [pid 283] close(3) = 0 [pid 283] rmdir("./67") = 0 [pid 283] mkdir("./68", 0777) = 0 [ 127.988839][ T24] audit: type=1400 audit(1752949536.940:78): avc: denied { add_name } for pid=77 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 127.995906][ T2376] FS: 00007fb743ef56c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 128.025900][ T24] audit: type=1400 audit(1752949536.940:79): avc: denied { create } for pid=77 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 128.046563][ T24] audit: type=1400 audit(1752949536.940:80): avc: denied { append open } for pid=77 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 128.050543][ T2376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 128.069376][ T24] audit: type=1400 audit(1752949536.940:81): avc: denied { getattr } for pid=77 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 128.098597][ T2376] CR2: 00007fb743f17000 CR3: 0000000111d19000 CR4: 00000000003506b0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 128.106863][ T2376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 128.114854][ T2376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 128.123287][ T2376] Kernel panic - not syncing: Fatal exception [ 128.129611][ T2376] Kernel Offset: disabled [ 128.133948][ T2376] Rebooting in 86400 seconds..