./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3775426447 <...> Warning: Permanently added '10.128.1.148' (ED25519) to the list of known hosts. execve("./syz-executor3775426447", ["./syz-executor3775426447"], 0x7fff5eccba00 /* 10 vars */) = 0 brk(NULL) = 0x55559362e000 brk(0x55559362ed40) = 0x55559362ed40 arch_prctl(ARCH_SET_FS, 0x55559362e3c0) = 0 set_tid_address(0x55559362e690) = 5854 set_robust_list(0x55559362e6a0, 24) = 0 rseq(0x55559362ece0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3775426447", 4096) = 28 getrandom("\xee\x6a\x08\x1d\xe9\xee\xce\xc4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55559362ed40 brk(0x55559364fd40) = 0x55559364fd40 brk(0x555593650000) = 0x555593650000 mprotect(0x7f708f853000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5855 attached , child_tidptr=0x55559362e690) = 5855 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] set_robust_list(0x55559362e6a0, 24) = 0 ./strace-static-x86_64: Process 5856 attached [pid 5855] mkdir("./syzkaller.BUE0kT", 0700 [pid 5854] <... clone resumed>, child_tidptr=0x55559362e690) = 5856 [pid 5856] set_robust_list(0x55559362e6a0, 24 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5857 attached [pid 5856] <... set_robust_list resumed>) = 0 [pid 5857] set_robust_list(0x55559362e6a0, 24 [pid 5855] <... mkdir resumed>) = 0 [pid 5854] <... clone resumed>, child_tidptr=0x55559362e690) = 5857 [pid 5857] <... set_robust_list resumed>) = 0 [pid 5856] mkdir("./syzkaller.CujB64", 0700 [pid 5855] chmod("./syzkaller.BUE0kT", 0777 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] mkdir("./syzkaller.RmfHDU", 0700 [pid 5856] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5858 attached [pid 5857] <... mkdir resumed>) = 0 [pid 5855] <... chmod resumed>) = 0 [pid 5854] <... clone resumed>, child_tidptr=0x55559362e690) = 5858 [pid 5858] set_robust_list(0x55559362e6a0, 24 [pid 5857] chmod("./syzkaller.RmfHDU", 0777 [pid 5856] chmod("./syzkaller.CujB64", 0777 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] <... set_robust_list resumed>) = 0 [pid 5857] <... chmod resumed>) = 0 [pid 5855] chdir("./syzkaller.BUE0kT" [pid 5856] <... chmod resumed>) = 0 [pid 5857] chdir("./syzkaller.RmfHDU") = 0 [pid 5857] mkdir("./0", 0777 [pid 5855] <... chdir resumed>) = 0 [pid 5858] mkdir("./syzkaller.hWYaT9", 0700 [pid 5857] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5859 attached [pid 5858] <... mkdir resumed>) = 0 [pid 5856] chdir("./syzkaller.CujB64" [pid 5855] mkdir("./0", 0777 [pid 5859] set_robust_list(0x55559362e6a0, 24 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5856] <... chdir resumed>) = 0 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5855] <... mkdir resumed>) = 0 [pid 5854] <... clone resumed>, child_tidptr=0x55559362e690) = 5859 [pid 5858] chmod("./syzkaller.hWYaT9", 0777 [pid 5856] mkdir("./0", 0777 [pid 5859] mkdir("./syzkaller.O2x35I", 0700 [pid 5858] <... chmod resumed>) = 0 [pid 5857] ioctl(3, LOOP_CLR_FD [pid 5856] <... mkdir resumed>) = 0 [pid 5858] chdir("./syzkaller.hWYaT9") = 0 [pid 5857] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5859] <... mkdir resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5858] mkdir("./0", 0777 [pid 5857] close(3) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5859] chmod("./syzkaller.O2x35I", 0777 [pid 5858] <... mkdir resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5855] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5860 attached [pid 5859] <... chmod resumed>) = 0 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5855] ioctl(3, LOOP_CLR_FD [pid 5859] chdir("./syzkaller.O2x35I" [pid 5858] <... openat resumed>) = 3 [pid 5859] <... chdir resumed>) = 0 [pid 5856] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5855] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5860] set_robust_list(0x55559362e6a0, 24 [pid 5856] close(3 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5860] chdir("./0" [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5862 attached [pid 5860] <... chdir resumed>) = 0 [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 5860 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5862] set_robust_list(0x55559362e6a0, 24 [pid 5860] setpgid(0, 0 [pid 5862] <... set_robust_list resumed>) = 0 [pid 5860] <... setpgid resumed>) = 0 [pid 5862] chdir("./0" [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 5862 [pid 5862] <... chdir resumed>) = 0 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] <... openat resumed>) = 3 [pid 5859] mkdir("./0", 0777 [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5855] close(3 [pid 5862] <... prctl resumed>) = 0 [pid 5862] setpgid(0, 0) = 0 [pid 5859] <... mkdir resumed>) = 0 [pid 5858] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5855] <... close resumed>) = 0 [pid 5858] close(3 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5858] <... close resumed>) = 0 [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5860] write(3, "1000", 4./strace-static-x86_64: Process 5863 attached [pid 5862] <... openat resumed>) = 3 [pid 5860] <... write resumed>) = 4 [pid 5859] <... openat resumed>) = 3 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5859] ioctl(3, LOOP_CLR_FD [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 5863 [pid 5862] write(3, "1000", 4 [pid 5860] close(3 [pid 5862] <... write resumed>) = 4 [pid 5860] <... close resumed>) = 0 ./strace-static-x86_64: Process 5864 attached [pid 5863] set_robust_list(0x55559362e6a0, 24 [pid 5862] close(3 [pid 5860] symlink("/dev/binderfs", "./binderfs" [pid 5859] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5864] set_robust_list(0x55559362e6a0, 24 [pid 5863] <... set_robust_list resumed>) = 0 [pid 5862] <... close resumed>) = 0 [pid 5860] <... symlink resumed>) = 0 [pid 5859] close(3 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 5864 [pid 5864] <... set_robust_list resumed>) = 0 [pid 5862] symlink("/dev/binderfs", "./binderfs" [pid 5864] chdir("./0" [pid 5863] chdir("./0" [pid 5862] <... symlink resumed>) = 0 [pid 5859] <... close resumed>) = 0 executing program [pid 5864] <... chdir resumed>) = 0 [pid 5863] <... chdir resumed>) = 0 [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] write(1, "executing program\n", 18 [pid 5864] <... prctl resumed>) = 0 [pid 5860] <... write resumed>) = 18 [pid 5864] setpgid(0, 0executing program [pid 5862] write(1, "executing program\n", 18 [pid 5860] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... setpgid resumed>) = 0 [pid 5862] <... write resumed>) = 18 [pid 5860] <... futex resumed>) = 0 [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5862] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5864] <... openat resumed>) = 3 [pid 5862] <... futex resumed>) = 0 [pid 5860] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5860] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5864] write(3, "1000", 4 [pid 5862] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... write resumed>) = 4 [pid 5862] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] close(3 [pid 5862] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] <... close resumed>) = 0 [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5860] <... mmap resumed>) = 0x7f708f767000 [pid 5864] symlink("/dev/binderfs", "./binderfs" [pid 5863] <... prctl resumed>) = 0 [pid 5862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5860] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5865 attached [pid 5864] <... symlink resumed>) = 0 [pid 5863] setpgid(0, 0 [pid 5865] set_robust_list(0x55559362e6a0, 24 [pid 5863] <... setpgid resumed>) = 0 [pid 5862] <... mmap resumed>) = 0x7f708f767000 [pid 5860] <... mprotect resumed>) = 0 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 5865 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5864] write(1, "executing program\n", 18executing program [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5862] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5860] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5865] chdir("./0" [pid 5864] <... write resumed>) = 18 [pid 5863] <... openat resumed>) = 3 [pid 5865] <... chdir resumed>) = 0 [pid 5863] write(3, "1000", 4 [pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5864] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... write resumed>) = 4 [pid 5862] <... mprotect resumed>) = 0 [pid 5860] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5865] <... prctl resumed>) = 0 [pid 5864] <... futex resumed>) = 0 [pid 5863] close(3 [pid 5862] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5860] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 5866 attached [pid 5865] setpgid(0, 0 [pid 5864] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5863] <... close resumed>) = 0 [pid 5866] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5865] <... setpgid resumed>) = 0 [pid 5864] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5863] symlink("/dev/binderfs", "./binderfs" [pid 5862] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5860] <... clone3 resumed> => {parent_tid=[5866]}, 88) = 5866 [pid 5866] <... rseq resumed>) = 0 [pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5863] <... symlink resumed>) = 0 [pid 5862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5860] rt_sigprocmask(SIG_SETMASK, [], executing program ./strace-static-x86_64: Process 5868 attached [pid 5866] set_robust_list(0x7f708f7879a0, 24 [pid 5865] <... openat resumed>) = 3 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] write(1, "executing program\n", 18 [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5865] write(3, "1000", 4 [pid 5863] <... write resumed>) = 18 [pid 5866] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] <... write resumed>) = 4 [pid 5863] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] close(3 [pid 5863] <... futex resumed>) = 0 [pid 5866] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... close resumed>) = 0 [pid 5863] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5868] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5865] symlink("/dev/binderfs", "./binderfs" [pid 5864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5862] <... clone3 resumed> => {parent_tid=[5868]}, 88) = 5868 [pid 5860] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... rseq resumed>) = 0 [pid 5865] <... symlink resumed>) = 0 [pid 5864] <... mmap resumed>) = 0x7f708f767000 [pid 5863] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5862] rt_sigprocmask(SIG_SETMASK, [], [pid 5860] <... futex resumed>) = 1 [pid 5868] set_robust_list(0x7f708f7879a0, 24 [pid 5864] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5860] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5868] <... set_robust_list resumed>) = 0 [pid 5864] <... mprotect resumed>) = 0 [pid 5862] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5862] <... futex resumed>) = 0 [pid 5868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5868] memfd_create("syzkaller", 0 [pid 5862] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5868] <... memfd_create resumed>) = 3 [pid 5866] <... futex resumed>) = 0 [pid 5865] write(1, "executing program\n", 18 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 5866] memfd_create("syzkaller", 0 [pid 5865] <... write resumed>) = 18 [pid 5864] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 5869 attached [pid 5865] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... mmap resumed>) = 0x7f708f767000 [pid 5869] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5865] <... futex resumed>) = 0 [pid 5864] <... clone3 resumed> => {parent_tid=[5869]}, 88) = 5869 [pid 5863] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5869] <... rseq resumed>) = 0 [pid 5868] <... mmap resumed>) = 0x7f7087200000 [pid 5866] <... memfd_create resumed>) = 3 [pid 5865] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... mprotect resumed>) = 0 [pid 5869] set_robust_list(0x7f708f7879a0, 24 [pid 5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5865] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5865] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5866] <... mmap resumed>) = 0x7f7087200000 [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 5869] <... set_robust_list resumed>) = 0 [pid 5864] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5869] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5869] memfd_create("syzkaller", 0) = 3 [pid 5865] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 5870 attached [pid 5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5865] <... mprotect resumed>) = 0 [pid 5870] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5869] <... mmap resumed>) = 0x7f7087200000 [pid 5865] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] <... clone3 resumed> => {parent_tid=[5870]}, 88) = 5870 [pid 5870] <... rseq resumed>) = 0 [pid 5865] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] set_robust_list(0x7f708f7879a0, 24 [pid 5865] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5871 attached [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5871] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5863] <... futex resumed>) = 0 [pid 5863] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5871] <... rseq resumed>) = 0 [pid 5870] memfd_create("syzkaller", 0 [pid 5869] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5865] <... clone3 resumed> => {parent_tid=[5871]}, 88) = 5871 [pid 5871] set_robust_list(0x7f708f7879a0, 24 [pid 5870] <... memfd_create resumed>) = 3 [pid 5865] rt_sigprocmask(SIG_SETMASK, [], [pid 5871] <... set_robust_list resumed>) = 0 [pid 5870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5868] <... write resumed>) = 1048576 [pid 5871] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5868] munmap(0x7f7087200000, 138412032) = 0 [pid 5865] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... futex resumed>) = 0 [pid 5868] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5871] memfd_create("syzkaller", 0 [pid 5868] <... openat resumed>) = 4 [pid 5865] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5868] ioctl(4, LOOP_SET_FD, 3 [pid 5871] <... memfd_create resumed>) = 3 [pid 5870] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5868] <... ioctl resumed>) = 0 [pid 5866] <... write resumed>) = 1048576 [pid 5871] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5869] <... write resumed>) = 1048576 [pid 5866] munmap(0x7f7087200000, 138412032 [pid 5871] <... mmap resumed>) = 0x7f7087200000 [pid 5866] <... munmap resumed>) = 0 [pid 5869] munmap(0x7f7087200000, 138412032) = 0 [pid 5869] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5869] ioctl(4, LOOP_SET_FD, 3 [pid 5868] close(3) = 0 [pid 5868] close(4) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5868] mkdir("./file0", 0777) = 0 [pid 5866] <... openat resumed>) = 4 [pid 5868] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 5866] ioctl(4, LOOP_SET_FD, 3 [pid 5870] <... write resumed>) = 1048576 [pid 5869] <... ioctl resumed>) = 0 [pid 5871] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5869] close(3) = 0 [pid 5869] close(4 [pid 5866] <... ioctl resumed>) = 0 [pid 5869] <... close resumed>) = 0 [pid 5866] close(3 [ 210.314729][ T5868] loop1: detected capacity change from 0 to 2048 [ 210.330098][ T5869] loop3: detected capacity change from 0 to 2048 [ 210.353064][ T5866] loop2: detected capacity change from 0 to 2048 [pid 5869] mkdir("./file0", 0777 [pid 5870] munmap(0x7f7087200000, 138412032 [pid 5869] <... mkdir resumed>) = 0 [pid 5866] <... close resumed>) = 0 [pid 5870] <... munmap resumed>) = 0 [pid 5869] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 5870] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5866] close(4 [pid 5870] <... openat resumed>) = 4 [pid 5870] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5871] <... write resumed>) = 1048576 [pid 5866] <... close resumed>) = 0 [pid 5871] munmap(0x7f7087200000, 138412032) = 0 [pid 5866] mkdir("./file0", 0777 [pid 5871] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5866] <... mkdir resumed>) = 0 [pid 5866] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 5871] <... openat resumed>) = 4 [pid 5871] ioctl(4, LOOP_SET_FD, 3 [pid 5870] close(3) = 0 [pid 5870] close(4) = 0 [pid 5870] mkdir("./file0", 0777) = 0 [ 210.373833][ T5868] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 210.384651][ T5870] loop0: detected capacity change from 0 to 2048 [ 210.387992][ T5868] UDF-fs: Scanning with blocksize 512 failed [ 210.410677][ T5871] loop4: detected capacity change from 0 to 2048 [pid 5870] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 5871] <... ioctl resumed>) = 0 [pid 5871] close(3) = 0 [pid 5871] close(4) = 0 [pid 5871] mkdir("./file0", 0777) = 0 [ 210.413973][ T5866] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 210.429174][ T5869] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 210.439507][ T5868] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 210.452805][ T5869] UDF-fs: Scanning with blocksize 512 failed [ 210.460617][ T5866] UDF-fs: Scanning with blocksize 512 failed [pid 5871] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 5868] <... mount resumed>) = 0 [pid 5868] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5866] <... mount resumed>) = 0 [pid 5868] <... openat resumed>) = 3 [pid 5866] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5868] chdir("./file0" [pid 5866] <... openat resumed>) = 3 [pid 5868] <... chdir resumed>) = 0 [pid 5866] chdir("./file0" [pid 5868] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5866] <... chdir resumed>) = 0 [pid 5868] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5866] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5868] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5868] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5862] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5862] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... futex resumed>) = 1 [pid 5860] <... futex resumed>) = 0 [pid 5862] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 210.473596][ T5871] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 210.482649][ T5870] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 210.486738][ T5866] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 210.490290][ T5870] UDF-fs: Scanning with blocksize 512 failed [ 210.512860][ T5869] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5860] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] <... futex resumed>) = 0 [pid 5869] <... mount resumed>) = 0 [pid 5869] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5868] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5869] <... openat resumed>) = 3 [pid 5866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5869] chdir("./file0") = 0 [pid 5868] <... openat resumed>) = 4 [pid 5866] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5869] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5868] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5869] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... futex resumed>) = 1 [pid 5862] <... futex resumed>) = 0 [pid 5869] <... futex resumed>) = 1 [pid 5868] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5862] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5862] <... futex resumed>) = 0 [pid 5866] <... openat resumed>) = 4 [pid 5871] <... mount resumed>) = 0 [pid 5868] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5864] <... futex resumed>) = 0 [pid 5862] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5866] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... openat resumed>) = 3 [pid 5869] <... futex resumed>) = 0 [pid 5868] <... openat resumed>) = 5 [pid 5864] <... futex resumed>) = 1 [pid 5871] chdir("./file0" [pid 5869] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5868] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... futex resumed>) = 1 [pid 5860] <... futex resumed>) = 0 [pid 5871] <... chdir resumed>) = 0 [pid 5869] <... openat resumed>) = 4 [pid 5868] <... futex resumed>) = 1 [pid 5866] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] <... futex resumed>) = 0 [pid 5860] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5869] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5862] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = 0 [pid 5871] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5869] <... futex resumed>) = 0 [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5864] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... futex resumed>) = 0 [pid 5860] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5868] pwrite64(5, "2", 1, 134220897 [pid 5866] <... openat resumed>) = 5 [pid 5864] <... futex resumed>) = 0 [pid 5862] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] <... futex resumed>) = 1 [pid 5869] <... openat resumed>) = 5 [pid 5866] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... futex resumed>) = 0 [pid 5864] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5869] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5869] <... futex resumed>) = 0 [pid 5868] <... pwrite64 resumed>) = 1 [pid 5866] <... futex resumed>) = 1 [pid 5865] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [ 210.524349][ T5871] UDF-fs: Scanning with blocksize 512 failed [ 210.541609][ T5871] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5860] <... futex resumed>) = 0 [pid 5869] pwrite64(5, "2", 1, 134220897 [pid 5864] <... futex resumed>) = 0 [pid 5860] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... pwrite64 resumed>) = 1 [pid 5860] <... futex resumed>) = 0 [pid 5869] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5869] <... futex resumed>) = 0 [pid 5864] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] <... futex resumed>) = 0 [pid 5869] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... futex resumed>) = 1 [pid 5864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5871] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5866] pwrite64(5, "2", 1, 134220897 [pid 5864] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... openat resumed>) = 4 [pid 5869] <... futex resumed>) = 0 [pid 5866] <... pwrite64 resumed>) = 1 [pid 5865] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... futex resumed>) = 1 [pid 5871] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... futex resumed>) = 0 [pid 5868] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5868] <... futex resumed>) = 1 [pid 5866] <... futex resumed>) = 1 [pid 5865] <... futex resumed>) = 0 [pid 5862] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5871] <... openat resumed>) = 5 [pid 5868] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... mount resumed>) = 0 [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5862] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5871] <... futex resumed>) = 0 [pid 5870] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5868] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5866] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5865] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] pwrite64(5, "2", 1, 134220897 [pid 5865] <... futex resumed>) = 0 [pid 5871] <... pwrite64 resumed>) = 1 [pid 5871] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5865] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] <... openat resumed>) = 3 [pid 5865] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... futex resumed>) = 0 [pid 5870] chdir("./file0" [pid 5865] <... futex resumed>) = 1 [pid 5871] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5870] <... chdir resumed>) = 0 [pid 5865] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 210.574437][ T5870] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5870] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5870] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5863] <... futex resumed>) = 0 [pid 5870] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... futex resumed>) = 0 [pid 5870] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5863] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] <... openat resumed>) = 4 [pid 5866] <... write resumed>) = 843776 [pid 5864] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5864] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5870] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5863] <... futex resumed>) = 0 [pid 5870] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5863] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5862] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5862] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5862] <... futex resumed>) = 0 [pid 5860] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5873 attached [pid 5863] <... futex resumed>) = 0 [pid 5862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5873] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5870] <... openat resumed>) = 5 [pid 5866] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... clone3 resumed> => {parent_tid=[5873]}, 88) = 5873 [pid 5863] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] <... mmap resumed>) = 0x7f708f746000 [pid 5860] <... futex resumed>) = 0 [pid 5873] <... rseq resumed>) = 0 [pid 5870] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... futex resumed>) = 0 [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5862] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5873] set_robust_list(0x7f708f7669a0, 24 [pid 5870] <... futex resumed>) = 0 [pid 5866] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... mprotect resumed>) = 0 [pid 5860] <... mmap resumed>) = 0x7f708f746000 [pid 5873] <... set_robust_list resumed>) = 0 [pid 5870] pwrite64(5, "2", 1, 134220897 [pid 5865] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... futex resumed>) = 0 [pid 5862] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5860] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5873] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] <... pwrite64 resumed>) = 1 [pid 5869] <... write resumed>) = 843776 [pid 5865] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... futex resumed>) = 0 [pid 5863] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5860] <... mprotect resumed>) = 0 [pid 5873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... futex resumed>) = 0 [pid 5864] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5860] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5860] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5873] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5870] <... futex resumed>) = 1 [pid 5869] <... futex resumed>) = 0 [pid 5865] <... mmap resumed>) = 0x7f708f746000 [pid 5863] <... futex resumed>) = 0 [pid 5862] <... clone3 resumed> => {parent_tid=[5874]}, 88) = 5874 [pid 5860] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 5875 attached [pid 5869] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5863] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5874 attached [pid 5875] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5873] <... openat resumed>) = 6 [pid 5870] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5865] <... mprotect resumed>) = 0 [pid 5863] <... futex resumed>) = 0 [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5875] <... rseq resumed>) = 0 [pid 5874] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5873] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... clone3 resumed> => {parent_tid=[5875]}, 88) = 5875 [pid 5875] set_robust_list(0x7f708f7669a0, 24 [pid 5874] <... rseq resumed>) = 0 [pid 5873] <... futex resumed>) = 1 [pid 5865] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] <... futex resumed>) = 0 [pid 5862] <... futex resumed>) = 0 [pid 5860] rt_sigprocmask(SIG_SETMASK, [], [pid 5875] <... set_robust_list resumed>) = 0 [pid 5874] set_robust_list(0x7f708f7669a0, 24 [pid 5873] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5864] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5876 attached [pid 5875] rt_sigprocmask(SIG_SETMASK, [], [pid 5874] <... set_robust_list resumed>) = 0 [pid 5869] <... futex resumed>) = 0 [pid 5864] <... futex resumed>) = 1 [pid 5860] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] rt_sigprocmask(SIG_SETMASK, [], [pid 5869] fdatasync(6 [pid 5865] <... clone3 resumed> => {parent_tid=[5876]}, 88) = 5876 [pid 5864] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] <... futex resumed>) = 0 [pid 5875] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5869] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5865] rt_sigprocmask(SIG_SETMASK, [], [pid 5860] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... rseq resumed>) = 0 [pid 5875] <... openat resumed>) = 6 [pid 5874] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5869] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] set_robust_list(0x7f708f7669a0, 24 [pid 5875] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... openat resumed>) = 6 [pid 5869] <... futex resumed>) = 1 [pid 5865] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... futex resumed>) = 0 [pid 5876] <... set_robust_list resumed>) = 0 [pid 5875] <... futex resumed>) = 1 [pid 5874] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... futex resumed>) = 0 [pid 5864] exit_group(0 [pid 5860] <... futex resumed>) = 0 [pid 5876] rt_sigprocmask(SIG_SETMASK, [], [pid 5875] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] <... futex resumed>) = 1 [pid 5873] <... futex resumed>) = ? [pid 5869] <... futex resumed>) = ? [pid 5865] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... exit_group resumed>) = ? [pid 5862] <... futex resumed>) = 0 [pid 5860] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] fdatasync(6 [pid 5873] +++ exited with 0 +++ [pid 5862] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = 1 [pid 5876] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5874] <... fdatasync resumed>) = 0 [pid 5866] <... futex resumed>) = 0 [pid 5862] <... futex resumed>) = 0 [pid 5860] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... openat resumed>) = 6 [pid 5874] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] fdatasync(6 [pid 5862] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5874] <... futex resumed>) = 0 [pid 5862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5876] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... write resumed>) = 843776 [pid 5876] <... futex resumed>) = 1 [pid 5869] +++ exited with 0 +++ [pid 5866] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... futex resumed>) = 0 [pid 5864] +++ exited with 0 +++ [pid 5863] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5876] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5868] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... futex resumed>) = 1 [pid 5865] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = 0 [pid 5876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5871] <... write resumed>) = 843776 [pid 5868] <... futex resumed>) = 0 [pid 5866] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... futex resumed>) = 0 [pid 5863] <... futex resumed>) = 0 [pid 5860] exit_group(0 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5876] fdatasync(6 [pid 5875] <... futex resumed>) = ? [pid 5871] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] <... futex resumed>) = ? [pid 5865] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5860] <... exit_group resumed>) = ? [pid 5858] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5876] <... fdatasync resumed>) = 0 [pid 5875] +++ exited with 0 +++ [pid 5871] <... futex resumed>) = 0 [pid 5870] <... write resumed>) = 843776 [pid 5866] +++ exited with 0 +++ [pid 5863] <... mmap resumed>) = 0x7f708f746000 [pid 5862] exit_group(0 [pid 5876] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5862] <... exit_group resumed>) = ? [pid 5860] +++ exited with 0 +++ [pid 5874] <... futex resumed>) = ? [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5868] <... futex resumed>) = ? [pid 5870] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = 1 [pid 5874] +++ exited with 0 +++ [pid 5870] <... futex resumed>) = 0 [pid 5865] <... futex resumed>) = 0 [pid 5863] <... mprotect resumed>) = 0 [pid 5858] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5860, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [ 210.712259][ T5869] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 210.747125][ T5860] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5876] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] exit_group(0 [pid 5863] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] <... openat resumed>) = 3 [pid 5857] restart_syscall(<... resuming interrupted clone ...> [pid 5876] <... futex resumed>) = ? [pid 5871] <... futex resumed>) = ? [pid 5865] <... exit_group resumed>) = ? [pid 5863] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5858] newfstatat(3, "", [pid 5876] +++ exited with 0 +++ [pid 5871] +++ exited with 0 +++ [pid 5868] +++ exited with 0 +++ [pid 5862] +++ exited with 0 +++ [pid 5857] <... restart_syscall resumed>) = 0 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5857] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... openat resumed>) = 3 [pid 5856] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] newfstatat(3, "", [pid 5856] <... openat resumed>) = 3 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] newfstatat(3, "", [pid 5857] getdents64(3, [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] getdents64(3, [pid 5857] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5857] unlink("./0/binderfs" [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... unlink resumed>) = 0 [pid 5856] unlink("./0/binderfs" [pid 5857] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... unlink resumed>) = 0 [pid 5863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5877 attached [pid 5865] +++ exited with 0 +++ [pid 5858] getdents64(3, [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5865, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5863] <... clone3 resumed> => {parent_tid=[5877]}, 88) = 5877 [pid 5859] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5877] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5863] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] newfstatat(3, "", [pid 5877] <... rseq resumed>) = 0 [pid 5863] <... futex resumed>) = 0 [pid 5858] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5877] set_robust_list(0x7f708f7669a0, 24 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5877] <... set_robust_list resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5877] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] getdents64(3, [pid 5858] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5877] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5877] <... openat resumed>) = 6 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] unlink("./0/binderfs" [pid 5859] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5858] <... unlink resumed>) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] unlink("./0/binderfs" [pid 5877] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... unlink resumed>) = 0 [ 210.762873][ T5868] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 210.766478][ T5865] UDF-fs: warning (device loop4): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 210.789611][ T5865] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5877] <... futex resumed>) = 1 [pid 5863] <... futex resumed>) = 0 [pid 5859] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5877] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [ 210.828733][ T141] kworker/u8:5: attempt to access beyond end of device [ 210.828733][ T141] loop1: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 210.831201][ T3486] kworker/u8:9: attempt to access beyond end of device [ 210.831201][ T3486] loop2: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 210.843033][ T141] Buffer I/O error on dev loop1, logical block 1024, lost async page write [ 210.865245][ T55] kworker/u8:3: attempt to access beyond end of device [ 210.865245][ T55] loop3: rw=1, sector=2048, nr_sectors = 2 limit=2048 [pid 5863] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5870] fdatasync(6) = -1 EIO (Input/output error) [pid 5870] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 210.865463][ T141] kworker/u8:5: attempt to access beyond end of device [ 210.865463][ T141] loop1: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 210.888408][ T3486] Buffer I/O error on dev loop2, logical block 1024, lost async page write [ 210.901466][ T141] Buffer I/O error on dev loop1, logical block 1024, lost async page write [ 210.901535][ T141] kworker/u8:5: attempt to access beyond end of device [ 210.901535][ T141] loop1: rw=1, sector=2048, nr_sectors = 2 limit=2048 [pid 5870] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] exit_group(0 [pid 5877] <... futex resumed>) = ? [pid 5863] <... exit_group resumed>) = ? [pid 5877] +++ exited with 0 +++ [pid 5870] <... futex resumed>) = ? [pid 5870] +++ exited with 0 +++ [pid 5863] +++ exited with 0 +++ [ 210.911743][ T3486] kworker/u8:9: attempt to access beyond end of device [ 210.911743][ T3486] loop2: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 210.940560][ T5870] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 210.941000][ T62] kworker/u8:4: attempt to access beyond end of device [ 210.941000][ T62] loop4: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 210.950734][ T55] Buffer I/O error on dev loop3, logical block 1024, lost async page write [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [ 210.966040][ T62] Buffer I/O error on dev loop4, logical block 1024, lost async page write [ 210.982188][ T3486] Buffer I/O error on dev loop2, logical block 1024, lost async page write [ 210.982283][ T62] kworker/u8:4: attempt to access beyond end of device [ 210.982283][ T62] loop4: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 210.990981][ T62] Buffer I/O error on dev loop4, logical block 1024, lost async page write [ 211.012288][ T141] Buffer I/O error on dev loop1, logical block 1024, lost async page write [ 211.014758][ T62] kworker/u8:4: attempt to access beyond end of device [pid 5855] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 211.014758][ T62] loop4: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 211.022685][ T141] kworker/u8:5: attempt to access beyond end of device [ 211.022685][ T141] loop1: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 211.035658][ T62] Buffer I/O error on dev loop4, logical block 1024, lost async page write [ 211.058060][ T62] Buffer I/O error on dev loop4, logical block 1024, lost async page write [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [ 211.069857][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 211.091274][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 211.105172][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 5855] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] <... umount2 resumed>) = 0 [pid 5858] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5858] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(4, [pid 5859] <... umount2 resumed>) = 0 [pid 5855] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] close(4) = 0 [pid 5858] rmdir("./0/file0") = 0 [pid 5859] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... umount2 resumed>) = 0 [pid 5858] getdents64(3, [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] unlink("./0/binderfs" [pid 5859] newfstatat(AT_FDCWD, "./0/file0", [pid 5858] close(3 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... umount2 resumed>) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] <... close resumed>) = 0 [pid 5855] <... unlink resumed>) = 0 [pid 5859] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] rmdir("./0" [pid 5856] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... rmdir resumed>) = 0 [pid 5855] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] mkdir("./1", 0777 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... openat resumed>) = 4 [pid 5858] <... mkdir resumed>) = 0 [pid 5857] newfstatat(AT_FDCWD, "./0/file0", [pid 5859] newfstatat(4, "", [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5856] newfstatat(AT_FDCWD, "./0/file0", [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 211.113097][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5859] getdents64(4, [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5858] <... ioctl resumed>) = 0 [pid 5857] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] getdents64(4, [pid 5858] close(3 [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] close(4) = 0 [pid 5857] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] rmdir("./0/file0") = 0 [pid 5857] <... openat resumed>) = 4 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] getdents64(3, [pid 5857] newfstatat(4, "", [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] close(3 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] <... openat resumed>) = 4 [pid 5859] <... close resumed>) = 0 [pid 5857] getdents64(4, [pid 5856] newfstatat(4, "", [pid 5859] rmdir("./0" [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] <... rmdir resumed>) = 0 [pid 5857] getdents64(4, [pid 5859] mkdir("./1", 0777 [pid 5856] getdents64(4, [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5859] <... mkdir resumed>) = 0 [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5858] <... close resumed>) = 0 [pid 5857] close(4 [pid 5856] getdents64(4, [pid 5859] <... openat resumed>) = 3 [pid 5859] ioctl(3, LOOP_CLR_FD) = 0 [pid 5857] <... close resumed>) = 0 [pid 5859] close(3 [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] rmdir("./0/file0" [pid 5856] close(4) = 0 [pid 5856] rmdir("./0/file0" [pid 5857] <... rmdir resumed>) = 0 [pid 5857] getdents64(3, [pid 5856] <... rmdir resumed>) = 0 [pid 5856] getdents64(3, [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] close(3 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] close(3 [pid 5856] <... close resumed>) = 0 [pid 5857] <... close resumed>) = 0 [pid 5856] rmdir("./0"./strace-static-x86_64: Process 5878 attached [pid 5857] rmdir("./0" [pid 5878] set_robust_list(0x55559362e6a0, 24 [pid 5857] <... rmdir resumed>) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 5857] mkdir("./1", 0777 [pid 5878] <... set_robust_list resumed>) = 0 [pid 5878] chdir("./1" [pid 5857] <... mkdir resumed>) = 0 [pid 5856] mkdir("./1", 0777 [pid 5878] <... chdir resumed>) = 0 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 5878 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5856] <... mkdir resumed>) = 0 [pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5878] setpgid(0, 0) = 0 [pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5878] <... openat resumed>) = 3 [pid 5856] <... openat resumed>) = 3 [pid 5856] ioctl(3, LOOP_CLR_FD) = 0 [pid 5878] write(3, "1000", 4 [pid 5857] <... openat resumed>) = 3 [pid 5878] <... write resumed>) = 4 [pid 5856] close(3executing program [pid 5878] close(3 [pid 5857] ioctl(3, LOOP_CLR_FD [pid 5878] <... close resumed>) = 0 [pid 5878] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5878] write(1, "executing program\n", 18) = 18 [pid 5878] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5878] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 5878] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5857] <... ioctl resumed>) = 0 [pid 5878] <... mmap resumed>) = 0x7f708f767000 [pid 5878] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5859] <... close resumed>) = 0 [pid 5857] close(3 [pid 5878] <... mprotect resumed>) = 0 [pid 5878] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5878] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} => {parent_tid=[5879]}, 88) = 5879 ./strace-static-x86_64: Process 5879 attached [pid 5878] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5878] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5878] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5879] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 [pid 5879] set_robust_list(0x7f708f7879a0, 24 [pid 5857] <... close resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5879] <... set_robust_list resumed>) = 0 [pid 5879] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5879] memfd_create("syzkaller", 0 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5879] <... memfd_create resumed>) = 3 [pid 5879] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 5880 [ 211.223627][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5881 attached ./strace-static-x86_64: Process 5880 attached [pid 5879] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5880] set_robust_list(0x55559362e6a0, 24 [pid 5881] set_robust_list(0x55559362e6a0, 24) = 0 ./strace-static-x86_64: Process 5882 attached [pid 5881] chdir("./1" [pid 5880] <... set_robust_list resumed>) = 0 [pid 5881] <... chdir resumed>) = 0 [pid 5880] chdir("./1" [pid 5882] set_robust_list(0x55559362e6a0, 24 [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 5882 [pid 5882] <... set_robust_list resumed>) = 0 [pid 5880] <... chdir resumed>) = 0 [pid 5882] chdir("./1" [pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5880] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 5881 [pid 5882] <... chdir resumed>) = 0 [pid 5880] <... prctl resumed>) = 0 [pid 5881] <... prctl resumed>) = 0 [pid 5881] setpgid(0, 0 [pid 5880] setpgid(0, 0 [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5880] <... setpgid resumed>) = 0 [pid 5882] <... prctl resumed>) = 0 [pid 5881] <... setpgid resumed>) = 0 [pid 5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5882] setpgid(0, 0 [pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5881] write(3, "1000", 4) = 4 [pid 5881] close(3) = 0 [pid 5882] <... setpgid resumed>) = 0 [pid 5881] symlink("/dev/binderfs", "./binderfs" [pid 5880] <... openat resumed>) = 3 [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5881] <... symlink resumed>) = 0 [pid 5880] write(3, "1000", 4executing program [pid 5882] <... openat resumed>) = 3 [pid 5880] <... write resumed>) = 4 [pid 5881] write(1, "executing program\n", 18 [pid 5880] close(3 [pid 5881] <... write resumed>) = 18 [pid 5881] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5881] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5880] <... close resumed>) = 0 [pid 5881] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5880] symlink("/dev/binderfs", "./binderfs" [pid 5881] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5880] <... symlink resumed>) = 0 [pid 5881] <... mmap resumed>) = 0x7f708f767000 [pid 5881] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITEexecuting program ) = 0 [pid 5882] write(3, "1000", 4 [pid 5881] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5882] <... write resumed>) = 4 [pid 5880] write(1, "executing program\n", 18 [pid 5882] close(3 [pid 5880] <... write resumed>) = 18 [pid 5882] <... close resumed>) = 0 [pid 5882] symlink("/dev/binderfs", "./binderfs" [pid 5881] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5880] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 5881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5882] <... symlink resumed>) = 0 [pid 5880] <... futex resumed>) = 0 [pid 5882] write(1, "executing program\n", 18 [pid 5880] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5882] <... write resumed>) = 18 [pid 5880] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5882] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5881] <... clone3 resumed> => {parent_tid=[5883]}, 88) = 5883 [pid 5881] rt_sigprocmask(SIG_SETMASK, [], [pid 5880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5879] <... write resumed>) = 1048576 [pid 5881] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5883 attached [pid 5882] <... futex resumed>) = 0 [pid 5881] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5883] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5882] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5881] <... futex resumed>) = 0 [pid 5855] <... umount2 resumed>) = 0 [pid 5883] <... rseq resumed>) = 0 [pid 5882] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5881] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5880] <... mmap resumed>) = 0x7f708f767000 [pid 5879] munmap(0x7f7087200000, 138412032 [pid 5883] set_robust_list(0x7f708f7879a0, 24 [pid 5882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5880] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5879] <... munmap resumed>) = 0 [pid 5855] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5855] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] close(4) = 0 [pid 5855] rmdir("./0/file0") = 0 [pid 5855] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 5855] rmdir("./0") = 0 [pid 5879] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5855] mkdir("./1", 0777 [pid 5879] <... openat resumed>) = 4 [pid 5855] <... mkdir resumed>) = 0 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5880] <... mprotect resumed>) = 0 [pid 5879] ioctl(4, LOOP_SET_FD, 3 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5883] rt_sigprocmask(SIG_SETMASK, [], [pid 5882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5882] <... mmap resumed>) = 0x7f708f767000 [pid 5880] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5855] <... openat resumed>) = 3 [pid 5882] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5880] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5883] memfd_create("syzkaller", 0 [pid 5880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5882] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5884 attached [pid 5884] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5883] <... memfd_create resumed>) = 3 [pid 5882] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5880] <... clone3 resumed> => {parent_tid=[5884]}, 88) = 5884 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 5884] <... rseq resumed>) = 0 [pid 5880] rt_sigprocmask(SIG_SETMASK, [], [pid 5882] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5884] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 5884] rt_sigprocmask(SIG_SETMASK, [], [pid 5883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] <... mmap resumed>) = 0x7f7087200000 [pid 5882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] <... ioctl resumed>) = 0 [pid 5855] close(3./strace-static-x86_64: Process 5886 attached [pid 5884] memfd_create("syzkaller", 0 [pid 5880] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... close resumed>) = 0 [pid 5879] <... ioctl resumed>) = 0 [pid 5879] close(3) = 0 [pid 5879] close(4 [pid 5886] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5884] <... memfd_create resumed>) = 3 [pid 5882] <... clone3 resumed> => {parent_tid=[5886]}, 88) = 5886 [pid 5880] <... futex resumed>) = 0 [pid 5879] <... close resumed>) = 0 [pid 5886] <... rseq resumed>) = 0 [pid 5884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5882] rt_sigprocmask(SIG_SETMASK, [], [ 211.350274][ T5879] loop3: detected capacity change from 0 to 2048 [pid 5880] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5879] mkdir("./file0", 0777 [pid 5886] set_robust_list(0x7f708f7879a0, 24 [pid 5884] <... mmap resumed>) = 0x7f7087200000 [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5879] <... mkdir resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5886] <... set_robust_list resumed>) = 0 [pid 5879] mount("/dev/loop3", "./file0", "udf", 0, ""./strace-static-x86_64: Process 5888 attached [pid 5886] rt_sigprocmask(SIG_SETMASK, [], [pid 5882] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] memfd_create("syzkaller", 0 [pid 5882] <... futex resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 5888 [pid 5882] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5886] <... memfd_create resumed>) = 3 [pid 5886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5888] set_robust_list(0x55559362e6a0, 24 [pid 5886] <... mmap resumed>) = 0x7f7087200000 [pid 5884] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5883] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5888] <... set_robust_list resumed>) = 0 [pid 5888] chdir("./1") = 0 [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5888] setpgid(0, 0) = 0 [pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5888] write(3, "1000", 4) = 4 [pid 5888] close(3) = 0 [pid 5888] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5888] write(1, "executing program\n", 18) = 18 [pid 5888] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5888] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 5888] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 5888] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5888] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5888] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 5889 attached [pid 5883] <... write resumed>) = 1048576 [pid 5888] <... clone3 resumed> => {parent_tid=[5889]}, 88) = 5889 [pid 5886] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5889] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5888] rt_sigprocmask(SIG_SETMASK, [], [pid 5889] <... rseq resumed>) = 0 [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5889] set_robust_list(0x7f708f7879a0, 24 [pid 5888] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... set_robust_list resumed>) = 0 [pid 5888] <... futex resumed>) = 0 [pid 5889] rt_sigprocmask(SIG_SETMASK, [], [pid 5888] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5889] memfd_create("syzkaller", 0) = 3 [pid 5889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5884] <... write resumed>) = 1048576 [pid 5886] <... write resumed>) = 1048576 [ 211.420867][ T5879] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 211.454870][ T5879] UDF-fs: Scanning with blocksize 512 failed [pid 5883] munmap(0x7f7087200000, 138412032 [pid 5889] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5883] <... munmap resumed>) = 0 [pid 5884] munmap(0x7f7087200000, 138412032 [pid 5883] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5884] <... munmap resumed>) = 0 [pid 5886] munmap(0x7f7087200000, 138412032 [pid 5884] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5883] <... openat resumed>) = 4 [pid 5886] <... munmap resumed>) = 0 [pid 5884] <... openat resumed>) = 4 [pid 5883] ioctl(4, LOOP_SET_FD, 3 [pid 5884] ioctl(4, LOOP_SET_FD, 3 [pid 5883] <... ioctl resumed>) = 0 [pid 5879] <... mount resumed>) = 0 [pid 5879] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5889] <... write resumed>) = 1048576 [pid 5886] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5884] <... ioctl resumed>) = 0 [pid 5883] close(3 [pid 5886] <... openat resumed>) = 4 [pid 5879] chdir("./file0" [pid 5886] ioctl(4, LOOP_SET_FD, 3 [pid 5879] <... chdir resumed>) = 0 [pid 5889] munmap(0x7f7087200000, 138412032 [pid 5884] close(3 [pid 5883] <... close resumed>) = 0 [pid 5879] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5879] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5878] <... futex resumed>) = 0 [pid 5879] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5878] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5878] <... futex resumed>) = 0 [pid 5879] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5878] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5879] <... openat resumed>) = 4 [pid 5889] <... munmap resumed>) = 0 [pid 5886] <... ioctl resumed>) = 0 [pid 5884] <... close resumed>) = 0 [ 211.526363][ T5879] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 211.542897][ T5883] loop1: detected capacity change from 0 to 2048 [ 211.549524][ T5884] loop4: detected capacity change from 0 to 2048 [ 211.563223][ T5886] loop2: detected capacity change from 0 to 2048 [pid 5883] close(4 [pid 5889] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5886] close(3 [pid 5884] close(4 [pid 5883] <... close resumed>) = 0 [pid 5889] <... openat resumed>) = 4 [pid 5886] <... close resumed>) = 0 [pid 5884] <... close resumed>) = 0 [pid 5883] mkdir("./file0", 0777 [pid 5889] ioctl(4, LOOP_SET_FD, 3 [pid 5886] close(4 [pid 5884] mkdir("./file0", 0777 [pid 5883] <... mkdir resumed>) = 0 [pid 5889] <... ioctl resumed>) = 0 [pid 5886] <... close resumed>) = 0 [pid 5884] <... mkdir resumed>) = 0 [pid 5883] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 5879] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5878] <... futex resumed>) = 0 [pid 5884] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 5878] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] mkdir("./file0", 0777) = 0 [pid 5878] <... futex resumed>) = 0 [pid 5879] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5886] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 5878] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5879] <... openat resumed>) = 5 [pid 5889] close(3 [pid 5879] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5879] <... futex resumed>) = 0 [pid 5878] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... close resumed>) = 0 [pid 5889] close(4) = 0 [pid 5889] mkdir("./file0", 0777) = 0 [pid 5889] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 5878] <... futex resumed>) = 0 [ 211.584078][ T5889] loop0: detected capacity change from 0 to 2048 [pid 5879] pwrite64(5, "2", 1, 134220897) = 1 [pid 5878] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5879] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5878] <... futex resumed>) = 0 [pid 5879] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5878] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 211.624756][ T5886] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 211.633354][ T5886] UDF-fs: Scanning with blocksize 512 failed [ 211.645755][ T5883] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 211.662134][ T5889] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [pid 5878] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5878] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5878] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5878] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5878] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5878] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[5890]}, 88) = 5890 ./strace-static-x86_64: Process 5890 attached [pid 5878] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5890] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5878] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... rseq resumed>) = 0 [pid 5878] <... futex resumed>) = 0 [pid 5890] set_robust_list(0x7f708f7669a0, 24 [pid 5878] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5890] <... set_robust_list resumed>) = 0 [pid 5890] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5890] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [ 211.669808][ T5889] UDF-fs: Scanning with blocksize 512 failed [ 211.676861][ T5883] UDF-fs: Scanning with blocksize 512 failed [ 211.683313][ T5884] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 211.696345][ T5884] UDF-fs: Scanning with blocksize 512 failed [pid 5890] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5878] <... futex resumed>) = 0 [pid 5886] <... mount resumed>) = 0 [pid 5878] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5890] fdatasync(6 [pid 5886] <... openat resumed>) = 3 [pid 5878] <... futex resumed>) = 0 [pid 5886] chdir("./file0" [pid 5890] <... fdatasync resumed>) = 0 [pid 5886] <... chdir resumed>) = 0 [pid 5878] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5890] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5890] <... futex resumed>) = 1 [pid 5878] <... futex resumed>) = 0 [pid 5886] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5890] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5886] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5882] <... futex resumed>) = 0 [pid 5886] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5882] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 211.720039][ T5886] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5886] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5882] <... futex resumed>) = 0 [pid 5886] <... openat resumed>) = 4 [pid 5886] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5886] <... futex resumed>) = 0 [pid 5882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5886] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5882] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5882] <... futex resumed>) = 0 [pid 5886] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5882] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5886] <... openat resumed>) = 5 [pid 5886] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5882] <... futex resumed>) = 0 [pid 5882] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] pwrite64(5, "2", 1, 134220897 [pid 5882] <... futex resumed>) = 0 [pid 5882] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5886] <... pwrite64 resumed>) = 1 [pid 5879] <... write resumed>) = 843776 [pid 5889] <... mount resumed>) = 0 [pid 5889] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5889] chdir("./file0") = 0 [pid 5889] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5889] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5889] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [ 211.747700][ T5889] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 211.762565][ T5883] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5888] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... openat resumed>) = 4 [pid 5888] <... futex resumed>) = 0 [pid 5889] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] <... futex resumed>) = 0 [pid 5888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5886] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5888] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... openat resumed>) = 5 [pid 5888] <... futex resumed>) = 0 [pid 5888] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5889] pwrite64(5, "2", 1, 134220897 [pid 5888] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... pwrite64 resumed>) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5888] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5888] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... futex resumed>) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5888] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5886] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5882] <... futex resumed>) = 0 [pid 5889] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5883] <... mount resumed>) = 0 [pid 5882] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... futex resumed>) = 0 [pid 5883] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5882] <... futex resumed>) = 1 [pid 5879] <... futex resumed>) = 0 [pid 5878] exit_group(0 [pid 5890] <... futex resumed>) = ? [pid 5886] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5883] <... openat resumed>) = 3 [pid 5882] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5878] <... exit_group resumed>) = ? [pid 5890] +++ exited with 0 +++ [pid 5883] chdir("./file0" [pid 5879] +++ exited with 0 +++ [pid 5884] <... mount resumed>) = 0 [pid 5883] <... chdir resumed>) = 0 [pid 5883] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5884] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5884] chdir("./file0" [pid 5883] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5884] <... chdir resumed>) = 0 [pid 5883] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5883] <... futex resumed>) = 1 [pid 5884] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5883] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5880] <... futex resumed>) = 0 [pid 5884] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5880] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5880] <... futex resumed>) = 0 [pid 5884] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5881] <... futex resumed>) = 0 [pid 5880] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... futex resumed>) = 0 [pid 5881] <... futex resumed>) = 1 [pid 5888] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5884] <... openat resumed>) = 4 [pid 5883] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5881] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5888] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5884] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5883] <... openat resumed>) = 4 [pid 5888] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] <... futex resumed>) = 1 [pid 5883] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] <... futex resumed>) = 0 [pid 5878] +++ exited with 0 +++ [pid 5888] <... futex resumed>) = 0 [pid 5884] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] <... futex resumed>) = 1 [pid 5881] <... futex resumed>) = 0 [pid 5880] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5883] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5881] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] <... futex resumed>) = 0 [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 5888] <... mmap resumed>) = 0x7f708f746000 [pid 5884] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5881] <... futex resumed>) = 0 [pid 5880] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5888] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5886] <... write resumed>) = 843776 [pid 5883] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5882] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5881] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... restart_syscall resumed>) = 0 [pid 5888] <... mprotect resumed>) = 0 [pid 5886] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] <... openat resumed>) = 5 [pid 5883] <... openat resumed>) = 5 [pid 5882] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5886] <... futex resumed>) = 0 [pid 5884] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... futex resumed>) = 0 [pid 5888] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5886] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5884] <... futex resumed>) = 1 [pid 5883] <... futex resumed>) = 1 [pid 5882] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] <... futex resumed>) = 0 [pid 5880] <... futex resumed>) = 0 [pid 5858] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5888] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5886] <... openat resumed>) = 6 [pid 5884] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] pwrite64(5, "2", 1, 134220897 [pid 5881] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5891 attached [ 211.799367][ T5884] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 211.816923][ T5878] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5886] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... pwrite64 resumed>) = 1 [pid 5881] <... futex resumed>) = 0 [pid 5880] <... futex resumed>) = 0 [pid 5858] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5891] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5888] <... clone3 resumed> => {parent_tid=[5891]}, 88) = 5891 [pid 5886] <... futex resumed>) = 1 [pid 5884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5883] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... futex resumed>) = 0 [pid 5881] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5880] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... openat resumed>) = 3 [pid 5891] <... rseq resumed>) = 0 [pid 5888] rt_sigprocmask(SIG_SETMASK, [], [pid 5886] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] pwrite64(5, "2", 1, 134220897 [pid 5883] <... futex resumed>) = 0 [pid 5882] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5858] newfstatat(3, "", [pid 5891] set_robust_list(0x7f708f7669a0, 24 [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5883] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5882] <... futex resumed>) = 0 [pid 5881] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5891] <... set_robust_list resumed>) = 0 [pid 5888] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] fdatasync(6 [pid 5884] <... pwrite64 resumed>) = 1 [pid 5883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5882] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] <... futex resumed>) = 0 [pid 5858] getdents64(3, [pid 5891] rt_sigprocmask(SIG_SETMASK, [], [pid 5888] <... futex resumed>) = 0 [pid 5886] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5884] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5881] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5888] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5886] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] <... futex resumed>) = 1 [pid 5880] <... futex resumed>) = 0 [pid 5858] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5880] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5880] <... futex resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./1/binderfs") = 0 [pid 5858] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5880] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5891] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5886] <... futex resumed>) = 1 [pid 5884] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5882] <... futex resumed>) = 0 [pid 5882] exit_group(0) = ? [pid 5881] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5881] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5891] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... write resumed>) = 843776 [pid 5888] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5881] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5888] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] <... mprotect resumed>) = 0 [pid 5891] <... futex resumed>) = 0 [pid 5891] fdatasync(6 [pid 5888] <... futex resumed>) = 0 [pid 5881] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5889] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5891] <... fdatasync resumed>) = 0 [pid 5889] <... futex resumed>) = 0 [pid 5886] +++ exited with 0 +++ [pid 5882] +++ exited with 0 +++ [pid 5881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5880] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5891] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5880] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5892 attached [pid 5881] <... clone3 resumed> => {parent_tid=[5892]}, 88) = 5892 [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5881] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] restart_syscall(<... resuming interrupted clone ...> [pid 5881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5881] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 5881] <... futex resumed>) = 0 [pid 5892] set_robust_list(0x7f708f7669a0, 24 [pid 5881] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5892] <... set_robust_list resumed>) = 0 [pid 5892] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 211.927924][ T5886] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5892] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5892] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... restart_syscall resumed>) = 0 [pid 5857] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5892] <... futex resumed>) = 1 [pid 5881] <... futex resumed>) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5881] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] newfstatat(3, "", [pid 5881] <... futex resumed>) = 0 [pid 5880] <... futex resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5881] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5891] <... futex resumed>) = 1 [pid 5880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5857] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5892] fdatasync(6 [pid 5891] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] <... futex resumed>) = 0 [pid 5880] <... mmap resumed>) = 0x7f708f746000 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5880] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5888] exit_group(0 [pid 5880] <... mprotect resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5891] <... futex resumed>) = ? [pid 5889] <... futex resumed>) = ? [pid 5880] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5889] +++ exited with 0 +++ [pid 5892] <... fdatasync resumed>) = 0 [pid 5891] +++ exited with 0 +++ [pid 5888] <... exit_group resumed>) = ? [pid 5880] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5857] unlink("./1/binderfs" [pid 5880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5857] <... unlink resumed>) = 0 [pid 5892] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5893 attached [pid 5892] <... futex resumed>) = 1 [pid 5881] <... futex resumed>) = 0 [pid 5880] <... clone3 resumed> => {parent_tid=[5893]}, 88) = 5893 [pid 5892] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5880] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] <... rseq resumed>) = 0 [pid 5880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5893] set_robust_list(0x7f708f7669a0, 24 [pid 5880] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... set_robust_list resumed>) = 0 [ 211.965854][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 212.005182][ T5888] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5893] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5888] +++ exited with 0 +++ [pid 5880] <... futex resumed>) = 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5880] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5893] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5893] <... openat resumed>) = 6 [pid 5884] <... write resumed>) = 843776 [pid 5883] <... write resumed>) = 843776 [pid 5858] <... umount2 resumed>) = 0 [pid 5855] <... restart_syscall resumed>) = 0 [pid 5893] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... futex resumed>) = 1 [pid 5893] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] <... futex resumed>) = 0 [pid 5883] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] <... futex resumed>) = 0 [pid 5858] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5880] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5880] <... futex resumed>) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5880] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] <... umount2 resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5881] exit_group(0 [pid 5857] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] newfstatat(3, "", [pid 5892] <... futex resumed>) = ? [pid 5881] <... exit_group resumed>) = ? [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5892] +++ exited with 0 +++ [pid 5884] fdatasync(6 [pid 5883] <... futex resumed>) = ? [pid 5858] newfstatat(AT_FDCWD, "./1/file0", [pid 5857] newfstatat(AT_FDCWD, "./1/file0", [pid 5855] getdents64(3, [pid 5884] <... fdatasync resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5884] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5884] <... futex resumed>) = 1 [pid 5880] <... futex resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5884] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5857] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5857] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] close(4) = 0 [pid 5857] rmdir("./1/file0") = 0 [pid 5857] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 5857] rmdir("./1") = 0 [pid 5857] mkdir("./2", 0777) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5880] exit_group(0 [pid 5857] ioctl(3, LOOP_CLR_FD [pid 5855] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5893] <... futex resumed>) = ? [pid 5883] +++ exited with 0 +++ [pid 5881] +++ exited with 0 +++ [pid 5880] <... exit_group resumed>) = ? [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... ioctl resumed>) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5893] +++ exited with 0 +++ [pid 5858] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5855] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5858] <... openat resumed>) = 4 [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] newfstatat(4, "", [pid 5855] unlink("./1/binderfs" [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... unlink resumed>) = 0 [pid 5858] getdents64(4, [pid 5855] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5884] <... futex resumed>) = ? [pid 5858] getdents64(4, [pid 5857] close(3 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] close(4) = 0 [pid 5858] rmdir("./1/file0") = 0 [pid 5856] <... restart_syscall resumed>) = 0 [pid 5858] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5858] rmdir("./1") = 0 [pid 5858] mkdir("./2", 0777) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD) = 0 [pid 5858] close(3) = 0 [pid 5857] <... close resumed>) = 0 [pid 5856] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5884] +++ exited with 0 +++ [pid 5880] +++ exited with 0 +++ [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5894 attached [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5856] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5894] set_robust_list(0x55559362e6a0, 24 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] <... openat resumed>) = 3 [pid 5894] <... set_robust_list resumed>) = 0 [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 5894 [pid 5856] newfstatat(3, "", [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 5895 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, [pid 5894] chdir("./2") = 0 [pid 5859] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5895 attached [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5895] set_robust_list(0x55559362e6a0, 24 [pid 5894] <... prctl resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5895] <... set_robust_list resumed>) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(3, "", [pid 5894] setpgid(0, 0 [pid 5856] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5895] chdir("./2" [pid 5894] <... setpgid resumed>) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5895] <... chdir resumed>) = 0 [pid 5856] unlink("./1/binderfs" [pid 5859] getdents64(3, [pid 5856] <... unlink resumed>) = 0 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5895] <... prctl resumed>) = 0 [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5895] setpgid(0, 0) = 0 [pid 5894] <... openat resumed>) = 3 [pid 5859] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5894] write(3, "1000", 4) = 4 [pid 5859] unlink("./1/binderfs" [pid 5895] <... openat resumed>) = 3 [pid 5859] <... unlink resumed>) = 0 [pid 5895] write(3, "1000", 4 [pid 5894] close(3 [pid 5859] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5895] <... write resumed>) = 4 [pid 5894] <... close resumed>) = 0 [ 212.035725][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 212.072593][ T5883] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5895] close(3 [pid 5894] symlink("/dev/binderfs", "./binderfs" [pid 5895] <... close resumed>) = 0 [ 212.106952][ T5884] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 212.123924][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5895] symlink("/dev/binderfs", "./binderfs" [pid 5894] <... symlink resumed>) = 0 [pid 5855] <... umount2 resumed>) = 0 [pid 5895] <... symlink resumed>) = 0 [pid 5855] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 5895] write(1, "executing program\n", 18 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5895] <... write resumed>) = 18 [pid 5855] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5895] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5895] <... futex resumed>) = 0 [pid 5895] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, executing program [pid 5894] write(1, "executing program\n", 18 [pid 5855] newfstatat(4, "", [pid 5895] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5894] <... write resumed>) = 18 [pid 5895] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5894] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] <... umount2 resumed>) = 0 [pid 5855] getdents64(4, [pid 5895] <... mmap resumed>) = 0x7f708f767000 [pid 5894] <... futex resumed>) = 0 [pid 5859] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5895] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5894] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] getdents64(4, [pid 5895] <... mprotect resumed>) = 0 [pid 5859] newfstatat(AT_FDCWD, "./1/file0", [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5895] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5855] close(4 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... close resumed>) = 0 [pid 5894] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5859] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] rmdir("./1/file0" [pid 5895] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... rmdir resumed>) = 0 [pid 5895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5859] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] getdents64(3, [pid 5894] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5896 attached [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5859] <... openat resumed>) = 4 [pid 5895] <... clone3 resumed> => {parent_tid=[5896]}, 88) = 5896 [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] close(3 [pid 5896] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5895] rt_sigprocmask(SIG_SETMASK, [], [pid 5894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] newfstatat(4, "", [pid 5855] <... close resumed>) = 0 [pid 5894] <... mmap resumed>) = 0x7f708f767000 [pid 5855] rmdir("./1" [pid 5896] <... rseq resumed>) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... rmdir resumed>) = 0 [pid 5896] set_robust_list(0x7f708f7879a0, 24 [pid 5859] getdents64(4, [pid 5855] mkdir("./2", 0777 [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] <... mkdir resumed>) = 0 [pid 5859] getdents64(4, [pid 5896] <... set_robust_list resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5896] rt_sigprocmask(SIG_SETMASK, [], [pid 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5894] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5859] close(4 [pid 5855] <... openat resumed>) = 3 [pid 5895] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... mprotect resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5895] <... futex resumed>) = 0 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 5896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5859] rmdir("./1/file0" [pid 5855] <... ioctl resumed>) = 0 [pid 5896] memfd_create("syzkaller", 0 [pid 5859] <... rmdir resumed>) = 0 [pid 5855] close(3 [pid 5859] getdents64(3, [pid 5896] <... memfd_create resumed>) = 3 [pid 5894] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] <... close resumed>) = 0 [pid 5859] close(3 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5859] <... close resumed>) = 0 [pid 5859] rmdir("./1" [pid 5896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5897 attached ) = 0x7f7087200000 [pid 5859] <... rmdir resumed>) = 0 [pid 5894] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5894] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5897] set_robust_list(0x55559362e6a0, 24) = 0 ./strace-static-x86_64: Process 5898 attached [pid 5897] chdir("./2" [pid 5859] mkdir("./2", 0777 [pid 5897] <... chdir resumed>) = 0 [pid 5859] <... mkdir resumed>) = 0 [pid 5894] <... clone3 resumed> => {parent_tid=[5898]}, 88) = 5898 [pid 5898] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 5897 [pid 5897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5897] setpgid(0, 0 [pid 5894] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... openat resumed>) = 3 [pid 5898] <... rseq resumed>) = 0 [pid 5897] <... setpgid resumed>) = 0 [pid 5898] set_robust_list(0x7f708f7879a0, 24 [pid 5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] ioctl(3, LOOP_CLR_FD) = 0 [pid 5898] <... set_robust_list resumed>) = 0 [pid 5894] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] rt_sigprocmask(SIG_SETMASK, [], [pid 5894] <... futex resumed>) = 0 [pid 5898] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 212.211451][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 212.232273][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. executing program [pid 5897] <... openat resumed>) = 3 [pid 5894] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5859] close(3 [pid 5897] write(3, "1000", 4 [pid 5898] memfd_create("syzkaller", 0 [pid 5897] <... write resumed>) = 4 [pid 5897] close(3) = 0 [pid 5897] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5897] write(1, "executing program\n", 18) = 18 [pid 5897] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5897] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 5897] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5898] <... memfd_create resumed>) = 3 [pid 5898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5856] <... umount2 resumed>) = 0 [pid 5897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... close resumed>) = 0 [pid 5897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 5897] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5856] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5897] <... mprotect resumed>) = 0 [pid 5897] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5897] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5898] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5897] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5896] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5897] <... clone3 resumed> => {parent_tid=[5899]}, 88) = 5899 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5897] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5897] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5899 attached [pid 5897] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5897] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5899] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 [pid 5899] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 5899] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5900 attached [pid 5899] memfd_create("syzkaller", 0 [pid 5900] set_robust_list(0x55559362e6a0, 24 [pid 5899] <... memfd_create resumed>) = 3 [pid 5900] <... set_robust_list resumed>) = 0 [pid 5900] chdir("./2" [pid 5899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5900] <... chdir resumed>) = 0 [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] <... openat resumed>) = 4 [pid 5900] <... prctl resumed>) = 0 [pid 5900] setpgid(0, 0) = 0 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 5900 [pid 5856] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] getdents64(4, [pid 5900] <... openat resumed>) = 3 [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5900] write(3, "1000", 4 [pid 5856] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5900] <... write resumed>) = 4 [pid 5900] close(3) = 0 [pid 5900] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5856] close(4 [pid 5900] write(1, "executing program\n", 18 [pid 5856] <... close resumed>) = 0 [pid 5900] <... write resumed>) = 18 [pid 5856] rmdir("./1/file0" [pid 5900] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5900] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 5900] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5856] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] close(3 [pid 5900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... close resumed>) = 0 [pid 5900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 5898] <... write resumed>) = 1048576 [pid 5896] <... write resumed>) = 1048576 [pid 5856] rmdir("./1" [pid 5900] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5900] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5899] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5856] <... rmdir resumed>) = 0 [pid 5898] munmap(0x7f7087200000, 138412032 [pid 5896] munmap(0x7f7087200000, 138412032 [pid 5856] mkdir("./2", 0777 [pid 5900] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 5901 attached [pid 5898] <... munmap resumed>) = 0 [pid 5896] <... munmap resumed>) = 0 [pid 5856] <... mkdir resumed>) = 0 [pid 5896] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5901] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5900] <... clone3 resumed> => {parent_tid=[5901]}, 88) = 5901 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 5898] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5896] <... openat resumed>) = 4 [pid 5900] rt_sigprocmask(SIG_SETMASK, [], [pid 5898] <... openat resumed>) = 4 [pid 5896] ioctl(4, LOOP_SET_FD, 3 [pid 5856] <... ioctl resumed>) = 0 [pid 5901] <... rseq resumed>) = 0 [pid 5900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5901] set_robust_list(0x7f708f7879a0, 24 [pid 5900] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... set_robust_list resumed>) = 0 [pid 5900] <... futex resumed>) = 0 [pid 5901] rt_sigprocmask(SIG_SETMASK, [], [pid 5900] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5901] memfd_create("syzkaller", 0 [pid 5856] close(3 [pid 5898] ioctl(4, LOOP_SET_FD, 3 [pid 5901] <... memfd_create resumed>) = 3 [pid 5901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5901] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5899] <... write resumed>) = 1048576 [pid 5856] <... close resumed>) = 0 [pid 5899] munmap(0x7f7087200000, 138412032 [pid 5896] <... ioctl resumed>) = 0 [pid 5896] close(3 [pid 5899] <... munmap resumed>) = 0 [pid 5896] <... close resumed>) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5896] close(4) = 0 [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 5902 [pid 5896] mkdir("./file0", 0777./strace-static-x86_64: Process 5902 attached [pid 5899] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5898] <... ioctl resumed>) = 0 [pid 5896] <... mkdir resumed>) = 0 [pid 5896] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 5899] <... openat resumed>) = 4 [ 212.362879][ T5896] loop3: detected capacity change from 0 to 2048 [ 212.380734][ T5898] loop2: detected capacity change from 0 to 2048 [pid 5899] ioctl(4, LOOP_SET_FD, 3 [pid 5898] close(3 [pid 5902] set_robust_list(0x55559362e6a0, 24) = 0 [pid 5902] chdir("./2") = 0 [pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5902] setpgid(0, 0) = 0 [pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5898] <... close resumed>) = 0 [pid 5898] close(4) = 0 [pid 5898] mkdir("./file0", 0777 [pid 5902] <... openat resumed>) = 3 [pid 5898] <... mkdir resumed>) = 0 [pid 5902] write(3, "1000", 4 [pid 5898] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 5902] <... write resumed>) = 4 [pid 5902] close(3) = 0 [pid 5902] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5899] <... ioctl resumed>) = 0 [pid 5899] close(3 [pid 5902] write(1, "executing program\n", 18) = 18 [pid 5902] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5901] <... write resumed>) = 1048576 [pid 5899] <... close resumed>) = 0 [pid 5902] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 5902] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 5902] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5902] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5899] close(4 [pid 5902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 5903 attached [ 212.406546][ T5899] loop0: detected capacity change from 0 to 2048 [ 212.417729][ T5896] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 212.434510][ T5898] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 212.445173][ T5896] UDF-fs: Scanning with blocksize 512 failed => {parent_tid=[5903]}, 88) = 5903 [pid 5901] munmap(0x7f7087200000, 138412032 [pid 5899] <... close resumed>) = 0 [pid 5902] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5902] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5902] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5899] mkdir("./file0", 0777 [pid 5903] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 [pid 5903] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 5903] rt_sigprocmask(SIG_SETMASK, [], [pid 5901] <... munmap resumed>) = 0 [pid 5899] <... mkdir resumed>) = 0 [pid 5903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5903] memfd_create("syzkaller", 0) = 3 [pid 5903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5901] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5899] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 5901] <... openat resumed>) = 4 [pid 5901] ioctl(4, LOOP_SET_FD, 3 [pid 5896] <... mount resumed>) = 0 [pid 5903] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5901] <... ioctl resumed>) = 0 [pid 5896] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5901] close(3 [pid 5896] <... openat resumed>) = 3 [pid 5901] <... close resumed>) = 0 [pid 5896] chdir("./file0" [pid 5901] close(4 [pid 5896] <... chdir resumed>) = 0 [pid 5896] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5901] <... close resumed>) = 0 [pid 5896] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5901] mkdir("./file0", 0777 [pid 5896] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... mkdir resumed>) = 0 [pid 5896] <... futex resumed>) = 1 [pid 5895] <... futex resumed>) = 0 [pid 5896] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5895] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5895] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 5896] <... openat resumed>) = 4 [pid 5896] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5895] <... futex resumed>) = 0 [ 212.457351][ T5896] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 212.469654][ T5898] UDF-fs: Scanning with blocksize 512 failed [ 212.480508][ T5901] loop4: detected capacity change from 0 to 2048 [ 212.495296][ T5898] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5896] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5895] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5895] <... futex resumed>) = 0 [pid 5896] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5895] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5896] <... openat resumed>) = 5 [pid 5896] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5895] <... futex resumed>) = 0 [pid 5903] <... write resumed>) = 1048576 [pid 5898] <... mount resumed>) = 0 [pid 5895] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5896] pwrite64(5, "2", 1, 134220897 [pid 5895] <... futex resumed>) = 0 [pid 5898] chdir("./file0") = 0 [pid 5896] <... pwrite64 resumed>) = 1 [pid 5895] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5896] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] <... futex resumed>) = 0 [pid 5903] munmap(0x7f7087200000, 138412032 [pid 5898] <... futex resumed>) = 1 [pid 5895] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... futex resumed>) = 0 [pid 5903] <... munmap resumed>) = 0 [pid 5898] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5896] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5895] <... futex resumed>) = 0 [pid 5894] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5903] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5903] ioctl(4, LOOP_SET_FD, 3 [pid 5894] <... futex resumed>) = 1 [pid 5898] <... futex resumed>) = 0 [pid 5898] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5903] <... ioctl resumed>) = 0 [pid 5898] <... openat resumed>) = 4 [pid 5894] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5898] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] close(3) = 0 [pid 5903] close(4) = 0 [pid 5903] mkdir("./file0", 0777) = 0 [pid 5894] <... futex resumed>) = 0 [pid 5903] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 5894] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... futex resumed>) = 0 [pid 5894] <... futex resumed>) = 1 [pid 5898] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5894] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] <... openat resumed>) = 5 [ 212.519352][ T5899] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 212.527149][ T5901] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 212.547192][ T5903] loop1: detected capacity change from 0 to 2048 [ 212.550628][ T5901] UDF-fs: Scanning with blocksize 512 failed [ 212.556427][ T5899] UDF-fs: Scanning with blocksize 512 failed [pid 5898] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5894] <... futex resumed>) = 0 [pid 5898] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5895] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5894] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... futex resumed>) = 0 [pid 5894] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5895] <... futex resumed>) = 0 [pid 5895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] pwrite64(5, "2", 1, 134220897) = 1 [pid 5898] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5894] <... futex resumed>) = 0 [pid 5898] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5895] <... mmap resumed>) = 0x7f708f746000 [pid 5894] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... mount resumed>) = 0 [pid 5895] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5894] <... futex resumed>) = 1 [pid 5901] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5898] <... futex resumed>) = 0 [pid 5895] <... mprotect resumed>) = 0 [pid 5894] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... openat resumed>) = 3 [pid 5898] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5895] rt_sigprocmask(SIG_BLOCK, ~[], [ 212.583509][ T5901] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 212.609697][ T5903] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 212.620765][ T5899] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5901] chdir("./file0") = 0 [pid 5901] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5901] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5900] <... futex resumed>) = 0 [pid 5901] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5900] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5900] <... futex resumed>) = 0 [pid 5901] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5900] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... openat resumed>) = 4 [pid 5895] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5901] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5900] <... futex resumed>) = 0 [pid 5901] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5900] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5901] <... openat resumed>) = 5 [pid 5900] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5904 attached [pid 5901] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5901] <... futex resumed>) = 0 [pid 5900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5899] <... mount resumed>) = 0 [pid 5895] <... clone3 resumed> => {parent_tid=[5904]}, 88) = 5904 [pid 5904] <... rseq resumed>) = 0 [pid 5901] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5900] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5895] rt_sigprocmask(SIG_SETMASK, [], [pid 5904] set_robust_list(0x7f708f7669a0, 24 [pid 5901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5900] <... futex resumed>) = 0 [pid 5899] <... openat resumed>) = 3 [pid 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5904] <... set_robust_list resumed>) = 0 [pid 5901] pwrite64(5, "2", 1, 134220897 [pid 5900] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5895] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] rt_sigprocmask(SIG_SETMASK, [], [pid 5901] <... pwrite64 resumed>) = 1 [pid 5899] chdir("./file0" [pid 5895] <... futex resumed>) = 0 [pid 5901] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] <... chdir resumed>) = 0 [pid 5901] <... futex resumed>) = 1 [pid 5900] <... futex resumed>) = 0 [pid 5899] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5901] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5900] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5895] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5900] <... futex resumed>) = 0 [pid 5899] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5900] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5899] <... futex resumed>) = 1 [pid 5897] <... futex resumed>) = 0 [pid 5904] <... openat resumed>) = 6 [pid 5899] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5894] <... futex resumed>) = 0 [pid 5904] <... futex resumed>) = 1 [pid 5901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5899] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5897] <... futex resumed>) = 0 [pid 5894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5904] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5899] <... openat resumed>) = 4 [pid 5897] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5895] <... futex resumed>) = 0 [pid 5894] <... mmap resumed>) = 0x7f708f746000 [pid 5899] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5896] <... write resumed>) = 843776 [pid 5895] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5904] <... futex resumed>) = 0 [pid 5899] <... futex resumed>) = 0 [pid 5897] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... futex resumed>) = 1 [pid 5904] fdatasync(6 [pid 5899] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5897] <... futex resumed>) = 0 [pid 5896] <... futex resumed>) = 0 [pid 5895] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5894] <... mprotect resumed>) = 0 [pid 5899] <... openat resumed>) = 5 [pid 5896] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5899] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5894] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5899] <... futex resumed>) = 0 [pid 5897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5899] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5904] <... fdatasync resumed>) = 0 [pid 5903] <... mount resumed>) = 0 [pid 5899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5897] <... futex resumed>) = 0 [pid 5894] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5904] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5899] pwrite64(5, "2", 1, 134220897 [ 212.642229][ T5903] UDF-fs: Scanning with blocksize 512 failed [ 212.659598][ T5903] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5897] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5905 attached [pid 5904] <... futex resumed>) = 1 [pid 5903] <... openat resumed>) = 3 [pid 5899] <... pwrite64 resumed>) = 1 [pid 5895] <... futex resumed>) = 0 [pid 5904] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] chdir("./file0" [pid 5895] exit_group(0 [pid 5894] <... clone3 resumed> => {parent_tid=[5905]}, 88) = 5905 [pid 5904] <... futex resumed>) = ? [pid 5903] <... chdir resumed>) = 0 [pid 5896] <... futex resumed>) = ? [pid 5895] <... exit_group resumed>) = ? [pid 5894] rt_sigprocmask(SIG_SETMASK, [], [pid 5904] +++ exited with 0 +++ [pid 5896] +++ exited with 0 +++ [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5899] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5897] <... futex resumed>) = 0 [pid 5899] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5897] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5897] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 5905] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 5905] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5905] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5894] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... futex resumed>) = 0 [pid 5903] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5894] <... futex resumed>) = 1 [pid 5905] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5903] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] <... openat resumed>) = 6 [pid 5903] <... futex resumed>) = 1 [pid 5902] <... futex resumed>) = 0 [pid 5905] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] +++ exited with 0 +++ [pid 5898] <... write resumed>) = 843776 [pid 5905] <... futex resumed>) = 1 [pid 5903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5902] <... futex resumed>) = 0 [pid 5898] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... futex resumed>) = 0 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5895, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5905] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5902] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5900] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5894] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... futex resumed>) = 0 [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 5894] <... futex resumed>) = 0 [pid 5903] <... openat resumed>) = 4 [pid 5900] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] fdatasync(6 [pid 5858] <... restart_syscall resumed>) = 0 [pid 5903] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... futex resumed>) = 0 [pid 5903] <... futex resumed>) = 1 [pid 5902] <... futex resumed>) = 0 [pid 5900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5903] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... mmap resumed>) = 0x7f708f746000 [pid 5898] <... fdatasync resumed>) = 0 [pid 5858] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5902] <... futex resumed>) = 0 [pid 5900] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5898] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5903] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5902] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5900] <... mprotect resumed>) = 0 [pid 5898] <... futex resumed>) = 1 [pid 5894] <... futex resumed>) = 0 [pid 5858] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5903] <... openat resumed>) = 5 [pid 5900] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5903] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5898] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5894] exit_group(0 [pid 5903] <... futex resumed>) = 1 [pid 5902] <... futex resumed>) = 0 [pid 5900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5905] <... futex resumed>) = ? [pid 5898] <... futex resumed>) = ? [pid 5894] <... exit_group resumed>) = ? [pid 5858] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5906 attached [pid 5905] +++ exited with 0 +++ [pid 5903] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] +++ exited with 0 +++ [pid 5858] newfstatat(3, "", [pid 5906] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5902] <... futex resumed>) = 0 [pid 5900] <... clone3 resumed> => {parent_tid=[5906]}, 88) = 5906 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5903] pwrite64(5, "2", 1, 134220897 [pid 5902] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5900] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] getdents64(3, [pid 5903] <... pwrite64 resumed>) = 1 [pid 5900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5903] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] <... rseq resumed>) = 0 [pid 5858] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [ 212.695587][ T5895] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5906] set_robust_list(0x7f708f7669a0, 24 [pid 5903] <... futex resumed>) = 1 [pid 5902] <... futex resumed>) = 0 [pid 5900] <... futex resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./2/binderfs") = 0 [pid 5906] <... set_robust_list resumed>) = 0 [pid 5903] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5902] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5906] rt_sigprocmask(SIG_SETMASK, [], [pid 5897] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5902] <... futex resumed>) = 0 [pid 5897] <... futex resumed>) = 0 [pid 5906] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5902] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... write resumed>) = 843776 [pid 5897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5906] <... openat resumed>) = 6 [pid 5897] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5906] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... futex resumed>) = 0 [pid 5901] <... futex resumed>) = 0 [pid 5906] <... futex resumed>) = 1 [pid 5901] fdatasync(6 [pid 5900] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5900] <... futex resumed>) = 0 [pid 5901] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... futex resumed>) = 0 [pid 5900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 212.737373][ T5894] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5901] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5900] exit_group(0 [pid 5897] <... mprotect resumed>) = 0 [pid 5894] +++ exited with 0 +++ [pid 5901] <... futex resumed>) = ? [pid 5900] <... exit_group resumed>) = ? [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5906] <... futex resumed>) = ? [pid 5857] restart_syscall(<... resuming interrupted clone ...> [pid 5906] +++ exited with 0 +++ [pid 5901] +++ exited with 0 +++ [pid 5897] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5897] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[5907]}, 88) = 5907 [pid 5897] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5897] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5897] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5899] <... write resumed>) = 843776 [pid 5899] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5899] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5857] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5907 attached [pid 5907] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 5907] set_robust_list(0x7f708f7669a0, 24 [pid 5857] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5907] <... set_robust_list resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5907] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5907] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5857] newfstatat(3, "", [pid 5907] <... openat resumed>) = 6 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5902] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5857] getdents64(3, [pid 5902] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] <... write resumed>) = 843776 [pid 5902] <... futex resumed>) = 0 [pid 5900] +++ exited with 0 +++ [pid 5858] <... umount2 resumed>) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5907] <... futex resumed>) = 1 [pid 5903] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5897] <... futex resumed>) = 0 [pid 5858] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5907] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] <... futex resumed>) = 0 [pid 5902] <... mmap resumed>) = 0x7f708f746000 [pid 5897] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5903] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5899] <... futex resumed>) = 0 [pid 5897] <... futex resumed>) = 1 [pid 5859] restart_syscall(<... resuming interrupted clone ...> [pid 5858] newfstatat(AT_FDCWD, "./2/file0", [pid 5857] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5899] fdatasync(6 [pid 5902] <... mprotect resumed>) = 0 [pid 5897] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5899] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./2/binderfs" [pid 5902] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5899] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... unlink resumed>) = 0 [pid 5899] <... futex resumed>) = 1 [pid 5897] <... futex resumed>) = 0 [pid 5857] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5902] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5858] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5902] <... clone3 resumed> => {parent_tid=[5908]}, 88) = 5908 ./strace-static-x86_64: Process 5908 attached [pid 5902] rt_sigprocmask(SIG_SETMASK, [], [pid 5899] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] exit_group(0 [pid 5859] <... restart_syscall resumed>) = 0 [pid 5858] newfstatat(4, "", [pid 5907] <... futex resumed>) = ? [pid 5899] <... futex resumed>) = ? [pid 5897] <... exit_group resumed>) = ? [ 212.790970][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 212.792653][ T5900] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5908] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5907] +++ exited with 0 +++ [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5899] +++ exited with 0 +++ [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5908] <... rseq resumed>) = 0 [pid 5902] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] getdents64(4, [pid 5908] set_robust_list(0x7f708f7669a0, 24 [pid 5902] <... futex resumed>) = 0 [pid 5859] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5908] <... set_robust_list resumed>) = 0 [pid 5902] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] getdents64(4, [pid 5908] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5858] close(4 [pid 5908] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5858] <... close resumed>) = 0 [pid 5908] <... openat resumed>) = 6 [pid 5859] newfstatat(3, "", [pid 5858] rmdir("./2/file0" [pid 5908] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] <... rmdir resumed>) = 0 [pid 5908] <... futex resumed>) = 1 [pid 5902] <... futex resumed>) = 0 [pid 5908] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] <... futex resumed>) = 0 [pid 5902] <... futex resumed>) = 1 [pid 5859] getdents64(3, [pid 5858] getdents64(3, [pid 5903] fdatasync(6 [pid 5902] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5897] +++ exited with 0 +++ [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] close(3 [pid 5903] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5859] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... close resumed>) = 0 [pid 5903] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] rmdir("./2" [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5903] <... futex resumed>) = 1 [pid 5902] <... futex resumed>) = 0 [pid 5859] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5858] <... rmdir resumed>) = 0 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5903] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] exit_group(0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5903] <... futex resumed>) = ? [pid 5902] <... exit_group resumed>) = ? [pid 5903] +++ exited with 0 +++ [pid 5859] unlink("./2/binderfs" [pid 5855] <... restart_syscall resumed>) = 0 [pid 5859] <... unlink resumed>) = 0 [pid 5858] mkdir("./3", 0777 [pid 5908] <... futex resumed>) = ? [pid 5859] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... mkdir resumed>) = 0 [pid 5855] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5908] +++ exited with 0 +++ [pid 5902] +++ exited with 0 +++ [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5857] <... umount2 resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5857] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5857] newfstatat(AT_FDCWD, "./2/file0", [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 5858] <... ioctl resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] close(3 [pid 5857] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5857] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5858] <... close resumed>) = 0 [pid 5857] getdents64(4, [pid 5856] <... restart_syscall resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] close(4) = 0 [pid 5856] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] rmdir("./2/file0" [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] newfstatat(3, "", [pid 5856] <... openat resumed>) = 3 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] newfstatat(3, "", [pid 5855] getdents64(3, [pid 5857] <... rmdir resumed>) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] getdents64(3, [pid 5855] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] getdents64(3, [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5857] close(3) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] unlink("./2/binderfs" [pid 5856] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5857] rmdir("./2" [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... unlink resumed>) = 0 [pid 5856] unlink("./2/binderfs" [ 212.857461][ T5897] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 212.870539][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 212.894152][ T5908] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5855] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5909 attached [pid 5857] <... rmdir resumed>) = 0 [pid 5856] <... unlink resumed>) = 0 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 5909 [pid 5857] mkdir("./3", 0777 [pid 5856] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... mkdir resumed>) = 0 [pid 5909] set_robust_list(0x55559362e6a0, 24) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5909] chdir("./3" [pid 5857] ioctl(3, LOOP_CLR_FD [pid 5909] <... chdir resumed>) = 0 [pid 5857] <... ioctl resumed>) = 0 [pid 5857] close(3 [pid 5909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 212.938402][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5909] setpgid(0, 0 [pid 5857] <... close resumed>) = 0 [pid 5909] <... setpgid resumed>) = 0 [pid 5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5909] write(3, "1000", 4 [pid 5859] <... umount2 resumed>) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5910 attached [pid 5909] <... write resumed>) = 4 [pid 5859] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 5910] set_robust_list(0x55559362e6a0, 24 [pid 5909] close(3 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 5910 [pid 5909] <... close resumed>) = 0 [pid 5859] newfstatat(AT_FDCWD, "./2/file0", [pid 5909] symlink("/dev/binderfs", "./binderfs" [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5909] <... symlink resumed>) = 0 [pid 5859] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5909] write(1, "executing program\n", 18 [pid 5910] <... set_robust_list resumed>) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5909] <... write resumed>) = 18 [pid 5910] chdir("./3" [pid 5909] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5910] <... chdir resumed>) = 0 [pid 5909] <... futex resumed>) = 0 [pid 5859] <... openat resumed>) = 4 [pid 5910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5909] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5859] newfstatat(4, "", [pid 5909] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5910] <... prctl resumed>) = 0 [pid 5909] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5859] getdents64(4, [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [ 212.988821][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 5910] setpgid(0, 0 [pid 5909] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5910] <... setpgid resumed>) = 0 [pid 5909] <... mprotect resumed>) = 0 [pid 5859] getdents64(4, [pid 5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5910] <... openat resumed>) = 3 [pid 5909] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] close(4 [pid 5910] write(3, "1000", 4 [pid 5909] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5910] <... write resumed>) = 4 [pid 5909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5859] <... close resumed>) = 0 [pid 5910] close(3 [pid 5859] rmdir("./2/file0" [pid 5910] <... close resumed>) = 0 [pid 5910] symlink("/dev/binderfs", "./binderfs" [pid 5859] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5911 attached [pid 5910] <... symlink resumed>) = 0 [pid 5859] getdents64(3, [pid 5909] <... clone3 resumed> => {parent_tid=[5911]}, 88) = 5911 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5909] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] close(3 [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... close resumed>) = 0 [pid 5909] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] rmdir("./2" [pid 5909] <... futex resumed>) = 0 [pid 5911] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5859] <... rmdir resumed>) = 0 executing program [pid 5911] <... rseq resumed>) = 0 [pid 5909] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5911] set_robust_list(0x7f708f7879a0, 24 [pid 5910] write(1, "executing program\n", 18 [pid 5911] <... set_robust_list resumed>) = 0 [pid 5859] mkdir("./3", 0777 [pid 5910] <... write resumed>) = 18 [pid 5911] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5911] memfd_create("syzkaller", 0 [pid 5910] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... mkdir resumed>) = 0 [pid 5911] <... memfd_create resumed>) = 3 [pid 5910] <... futex resumed>) = 0 [pid 5911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5911] <... mmap resumed>) = 0x7f7087200000 [pid 5910] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5856] <... umount2 resumed>) = 0 [pid 5855] <... umount2 resumed>) = 0 [pid 5911] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5910] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5855] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5910] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5859] ioctl(3, LOOP_CLR_FD [pid 5856] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... ioctl resumed>) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 213.031221][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] close(3 [pid 5856] newfstatat(AT_FDCWD, "./2/file0", [pid 5910] <... mmap resumed>) = 0x7f708f767000 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5910] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5859] <... close resumed>) = 0 [pid 5856] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] newfstatat(AT_FDCWD, "./2/file0", [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5910] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5856] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5911] <... write resumed>) = 1048576 [pid 5910] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] <... openat resumed>) = 4 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5912 attached [pid 5856] newfstatat(4, "", [pid 5855] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5913 attached [pid 5856] getdents64(4, [pid 5855] newfstatat(4, "", [pid 5910] <... clone3 resumed> => {parent_tid=[5913]}, 88) = 5913 [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5913] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5912] set_robust_list(0x55559362e6a0, 24 [pid 5911] munmap(0x7f7087200000, 138412032 [pid 5910] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] getdents64(4, [pid 5913] <... rseq resumed>) = 0 [pid 5911] <... munmap resumed>) = 0 [pid 5910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5913] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 5910] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] close(4 [pid 5913] rt_sigprocmask(SIG_SETMASK, [], [pid 5910] <... futex resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5910] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5856] rmdir("./2/file0" [pid 5913] memfd_create("syzkaller", 0 [pid 5911] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5856] <... rmdir resumed>) = 0 [pid 5911] <... openat resumed>) = 4 [pid 5913] <... memfd_create resumed>) = 3 [pid 5911] ioctl(4, LOOP_SET_FD, 3 [pid 5913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5912] <... set_robust_list resumed>) = 0 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 5912 [pid 5855] getdents64(4, [pid 5856] getdents64(3, [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5912] chdir("./3" [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] getdents64(4, [pid 5856] close(3 [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5912] <... chdir resumed>) = 0 [pid 5855] close(4 [pid 5856] <... close resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] rmdir("./2/file0" [pid 5856] rmdir("./2" [pid 5913] <... mmap resumed>) = 0x7f7087200000 [pid 5912] <... prctl resumed>) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 5855] <... rmdir resumed>) = 0 [pid 5912] setpgid(0, 0 [pid 5855] getdents64(3, [pid 5912] <... setpgid resumed>) = 0 [pid 5856] mkdir("./3", 0777 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... mkdir resumed>) = 0 [pid 5855] close(3 [pid 5912] <... openat resumed>) = 3 [pid 5855] <... close resumed>) = 0 [pid 5912] write(3, "1000", 4 [pid 5855] rmdir("./2" [pid 5912] <... write resumed>) = 4 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5912] close(3 [pid 5856] <... openat resumed>) = 3 [pid 5855] <... rmdir resumed>) = 0 [pid 5912] <... close resumed>) = 0 [pid 5855] mkdir("./3", 0777 [pid 5912] symlink("/dev/binderfs", "./binderfs" [pid 5856] ioctl(3, LOOP_CLR_FD) = 0 [pid 5856] close(3 [pid 5913] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5855] <... mkdir resumed>) = 0 [pid 5911] <... ioctl resumed>) = 0 [pid 5911] close(3 [pid 5912] <... symlink resumed>) = 0 [pid 5911] <... close resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5912] write(1, "executing program\n", 18 [pid 5911] close(4) = 0 executing program [pid 5911] mkdir("./file0", 0777 [pid 5912] <... write resumed>) = 18 [pid 5911] <... mkdir resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5911] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 5912] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5914 attached [pid 5912] <... futex resumed>) = 0 [pid 5855] <... ioctl resumed>) = 0 [pid 5912] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5855] close(3 [pid 5912] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5914] set_robust_list(0x55559362e6a0, 24) = 0 [pid 5914] chdir("./3" [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 5914 [pid 5914] <... chdir resumed>) = 0 [pid 5914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5855] <... close resumed>) = 0 [pid 5912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5914] setpgid(0, 0) = 0 [pid 5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5914] write(3, "1000", 4) = 4 [pid 5914] close(3) = 0 [pid 5914] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5914] write(1, "executing program\n", 18) = 18 [pid 5914] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5914] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 5914] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 5914] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5912] <... mmap resumed>) = 0x7f708f767000 [pid 5914] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5913] <... write resumed>) = 1048576 [ 213.119524][ T5911] loop3: detected capacity change from 0 to 2048 [pid 5912] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5914] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5913] munmap(0x7f7087200000, 138412032 [pid 5912] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5915 attached [pid 5913] <... munmap resumed>) = 0 [pid 5914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5912] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5914] <... clone3 resumed> => {parent_tid=[5916]}, 88) = 5916 [pid 5914] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5914] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5914] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5916 attached [pid 5916] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 [pid 5916] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 5913] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5916] rt_sigprocmask(SIG_SETMASK, [], [pid 5913] <... openat resumed>) = 4 [pid 5916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5913] ioctl(4, LOOP_SET_FD, 3 [pid 5916] memfd_create("syzkaller", 0 [pid 5915] set_robust_list(0x55559362e6a0, 24 [pid 5912] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 5915 [pid 5912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 5917 attached [pid 5916] <... memfd_create resumed>) = 3 [pid 5915] <... set_robust_list resumed>) = 0 [pid 5916] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5917] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5915] chdir("./3" [pid 5912] <... clone3 resumed> => {parent_tid=[5917]}, 88) = 5917 [pid 5917] <... rseq resumed>) = 0 [pid 5915] <... chdir resumed>) = 0 [pid 5912] rt_sigprocmask(SIG_SETMASK, [], [pid 5917] set_robust_list(0x7f708f7879a0, 24 [pid 5915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5917] <... set_robust_list resumed>) = 0 [pid 5915] <... prctl resumed>) = 0 [pid 5917] rt_sigprocmask(SIG_SETMASK, [], [pid 5912] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] setpgid(0, 0 [pid 5917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5915] <... setpgid resumed>) = 0 [pid 5912] <... futex resumed>) = 0 [pid 5917] memfd_create("syzkaller", 0 [pid 5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5913] <... ioctl resumed>) = 0 [pid 5912] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5917] <... memfd_create resumed>) = 3 [pid 5913] close(3) = 0 [pid 5917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5913] close(4) = 0 [pid 5917] <... mmap resumed>) = 0x7f7087200000 [pid 5915] <... openat resumed>) = 3 [pid 5913] mkdir("./file0", 0777) = 0 [pid 5916] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5917] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5915] write(3, "1000", 4 [ 213.182920][ T5911] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 213.195624][ T5913] loop2: detected capacity change from 0 to 2048 [ 213.212073][ T5911] UDF-fs: Scanning with blocksize 512 failed [pid 5913] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 5915] <... write resumed>) = 4 [pid 5915] close(3) = 0 [pid 5915] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5916] <... write resumed>) = 1048576 [pid 5915] write(1, "executing program\n", 18executing program [pid 5917] <... write resumed>) = 1048576 [pid 5916] munmap(0x7f7087200000, 138412032 [pid 5915] <... write resumed>) = 18 [pid 5915] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5915] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 5915] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5916] <... munmap resumed>) = 0 [pid 5915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5917] munmap(0x7f7087200000, 138412032) = 0 [pid 5915] <... mmap resumed>) = 0x7f708f767000 [pid 5911] <... mount resumed>) = 0 [pid 5915] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5911] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5915] <... mprotect resumed>) = 0 [ 213.240440][ T5913] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 213.253188][ T5911] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 213.259570][ T5913] UDF-fs: Scanning with blocksize 512 failed [pid 5916] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5911] <... openat resumed>) = 3 [pid 5917] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5915] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5913] <... mount resumed>) = 0 [pid 5911] chdir("./file0" [pid 5915] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5917] <... openat resumed>) = 4 [pid 5915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5913] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5911] <... chdir resumed>) = 0 [pid 5916] <... openat resumed>) = 4 [pid 5913] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5918 attached [pid 5916] ioctl(4, LOOP_SET_FD, 3 [pid 5918] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5917] ioctl(4, LOOP_SET_FD, 3 [pid 5915] <... clone3 resumed> => {parent_tid=[5918]}, 88) = 5918 [pid 5913] chdir("./file0" [pid 5911] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5916] <... ioctl resumed>) = 0 [pid 5916] close(3 [pid 5918] <... rseq resumed>) = 0 [pid 5917] <... ioctl resumed>) = 0 [pid 5916] <... close resumed>) = 0 [pid 5915] rt_sigprocmask(SIG_SETMASK, [], [pid 5913] <... chdir resumed>) = 0 [pid 5911] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5918] set_robust_list(0x7f708f7879a0, 24 [pid 5917] close(3 [pid 5916] close(4 [pid 5915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5913] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5911] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... set_robust_list resumed>) = 0 [pid 5917] <... close resumed>) = 0 [pid 5916] <... close resumed>) = 0 [pid 5915] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5911] <... futex resumed>) = 1 [pid 5909] <... futex resumed>) = 0 [pid 5918] rt_sigprocmask(SIG_SETMASK, [], [pid 5916] mkdir("./file0", 0777 [pid 5915] <... futex resumed>) = 0 [pid 5913] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5917] close(4 [pid 5909] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5916] <... mkdir resumed>) = 0 [pid 5915] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5913] <... futex resumed>) = 1 [pid 5911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5910] <... futex resumed>) = 0 [pid 5918] memfd_create("syzkaller", 0 [pid 5910] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5911] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5910] <... futex resumed>) = 0 [pid 5918] <... memfd_create resumed>) = 3 [pid 5917] <... close resumed>) = 0 [pid 5909] <... futex resumed>) = 0 [pid 5918] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5917] mkdir("./file0", 0777 [pid 5916] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 5913] <... openat resumed>) = 4 [pid 5911] <... openat resumed>) = 4 [pid 5910] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] <... mmap resumed>) = 0x7f7087200000 [pid 5917] <... mkdir resumed>) = 0 [ 213.285721][ T5913] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 213.298371][ T5916] loop1: detected capacity change from 0 to 2048 [ 213.302549][ T5917] loop4: detected capacity change from 0 to 2048 [pid 5917] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 5918] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5913] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... futex resumed>) = 1 [pid 5911] <... futex resumed>) = 1 [pid 5909] <... futex resumed>) = 0 [pid 5913] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5909] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5909] <... futex resumed>) = 0 [pid 5911] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 5909] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] <... futex resumed>) = 0 [pid 5910] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... futex resumed>) = 0 [pid 5911] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... futex resumed>) = 1 [pid 5913] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5911] <... futex resumed>) = 1 [pid 5910] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] <... futex resumed>) = 0 [pid 5913] <... openat resumed>) = 5 [pid 5911] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5910] <... futex resumed>) = 0 [pid 5913] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5910] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5910] <... futex resumed>) = 0 [pid 5913] pwrite64(5, "2", 1, 134220897 [pid 5909] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... pwrite64 resumed>) = 1 [pid 5911] <... futex resumed>) = 0 [pid 5910] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] <... futex resumed>) = 1 [pid 5913] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] pwrite64(5, "2", 1, 134220897 [pid 5913] <... futex resumed>) = 1 [pid 5911] <... pwrite64 resumed>) = 1 [pid 5910] <... futex resumed>) = 0 [pid 5913] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5911] <... futex resumed>) = 0 [pid 5909] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5911] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5910] <... futex resumed>) = 0 [pid 5910] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5909] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5911] <... futex resumed>) = 0 [pid 5911] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5909] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] <... write resumed>) = 1048576 [pid 5918] munmap(0x7f7087200000, 138412032) = 0 [ 213.334212][ T5916] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 213.358403][ T5916] UDF-fs: Scanning with blocksize 512 failed [pid 5918] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5918] ioctl(4, LOOP_SET_FD, 3 [pid 5910] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5910] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5910] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5918] <... ioctl resumed>) = 0 [pid 5910] <... mprotect resumed>) = 0 [pid 5909] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5918] close(3 [pid 5910] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5909] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... close resumed>) = 0 [pid 5909] <... futex resumed>) = 0 [pid 5918] close(4 [pid 5910] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5918] <... close resumed>) = 0 [pid 5910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5919 attached [pid 5919] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5918] mkdir("./file0", 0777 [pid 5910] <... clone3 resumed> => {parent_tid=[5919]}, 88) = 5919 [pid 5909] <... mmap resumed>) = 0x7f708f746000 [pid 5919] <... rseq resumed>) = 0 [pid 5910] rt_sigprocmask(SIG_SETMASK, [], [pid 5919] set_robust_list(0x7f708f7669a0, 24 [pid 5910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5919] <... set_robust_list resumed>) = 0 [pid 5910] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] rt_sigprocmask(SIG_SETMASK, [], [pid 5910] <... futex resumed>) = 0 [pid 5919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5910] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5918] <... mkdir resumed>) = 0 [pid 5909] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5918] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 5919] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] <... mprotect resumed>) = 0 [pid 5919] <... futex resumed>) = 1 [pid 5910] <... futex resumed>) = 0 [pid 5909] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5919] fdatasync(6 [pid 5910] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5910] <... futex resumed>) = 0 [pid 5909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 5920 attached [pid 5919] <... fdatasync resumed>) = 0 [pid 5910] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5909] <... clone3 resumed> => {parent_tid=[5920]}, 88) = 5920 [pid 5920] <... rseq resumed>) = 0 [pid 5909] rt_sigprocmask(SIG_SETMASK, [], [pid 5920] set_robust_list(0x7f708f7669a0, 24 [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5920] <... set_robust_list resumed>) = 0 [pid 5909] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] rt_sigprocmask(SIG_SETMASK, [], [pid 5909] <... futex resumed>) = 0 [pid 5920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5909] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5919] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... mount resumed>) = 0 [pid 5920] <... openat resumed>) = 6 [pid 5920] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5920] <... futex resumed>) = 1 [pid 5909] <... futex resumed>) = 0 [pid 5920] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5916] <... openat resumed>) = 3 [pid 5909] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] <... futex resumed>) = 1 [pid 5916] chdir("./file0" [pid 5910] <... futex resumed>) = 0 [pid 5909] <... futex resumed>) = 0 [pid 5920] fdatasync(6 [pid 5919] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5916] <... chdir resumed>) = 0 [pid 5909] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5916] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5916] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5914] <... futex resumed>) = 0 [pid 5920] <... fdatasync resumed>) = 0 [pid 5916] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5914] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5920] <... futex resumed>) = 1 [pid 5909] <... futex resumed>) = 0 [pid 5916] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5920] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5914] <... futex resumed>) = 0 [pid 5914] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5916] <... openat resumed>) = 4 [ 213.391714][ T5917] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 213.411149][ T5917] UDF-fs: Scanning with blocksize 512 failed [ 213.418212][ T5918] loop0: detected capacity change from 0 to 2048 [ 213.428942][ T5916] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5916] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5914] <... futex resumed>) = 0 [pid 5916] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5914] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5914] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5916] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 5916] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5914] <... futex resumed>) = 0 [pid 5916] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5914] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5914] <... futex resumed>) = 0 [pid 5914] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5916] pwrite64(5, "2", 1, 134220897 [pid 5913] <... write resumed>) = 843776 [pid 5911] <... write resumed>) = 843776 [pid 5916] <... pwrite64 resumed>) = 1 [pid 5916] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5914] <... futex resumed>) = 0 [pid 5916] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5914] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5914] <... futex resumed>) = 0 [pid 5916] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5913] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... mount resumed>) = 0 [pid 5914] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] exit_group(0) = ? [pid 5919] <... futex resumed>) = ? [pid 5919] +++ exited with 0 +++ [pid 5913] <... futex resumed>) = ? [pid 5909] exit_group(0 [pid 5920] <... futex resumed>) = ? [pid 5909] <... exit_group resumed>) = ? [pid 5920] +++ exited with 0 +++ [pid 5918] <... mount resumed>) = 0 [pid 5918] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5918] chdir("./file0") = 0 [pid 5918] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5918] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 213.467326][ T5918] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 213.476462][ T5918] UDF-fs: Scanning with blocksize 512 failed [ 213.488443][ T5917] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 213.498116][ T5918] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5918] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] <... futex resumed>) = 0 [pid 5915] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... futex resumed>) = 0 [pid 5915] <... futex resumed>) = 1 [pid 5918] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5915] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] <... openat resumed>) = 4 [pid 5918] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5918] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] <... futex resumed>) = 0 [pid 5915] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... futex resumed>) = 0 [pid 5915] <... futex resumed>) = 1 [pid 5918] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 5915] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5918] <... futex resumed>) = 0 [pid 5915] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] pwrite64(5, "2", 1, 134220897 [pid 5915] <... futex resumed>) = 0 [pid 5918] <... pwrite64 resumed>) = 1 [pid 5915] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5915] <... futex resumed>) = 0 [pid 5915] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5915] <... futex resumed>) = 0 [pid 5917] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5915] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5911] <... futex resumed>) = ? [pid 5917] <... openat resumed>) = 3 [pid 5914] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5914] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5917] chdir("./file0" [pid 5914] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5914] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... chdir resumed>) = 0 [pid 5911] +++ exited with 0 +++ [pid 5917] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5909] +++ exited with 0 +++ [pid 5917] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5909, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5917] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 5917] <... futex resumed>) = 1 [pid 5912] <... futex resumed>) = 0 [pid 5917] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] <... futex resumed>) = 0 [pid 5917] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5912] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] <... futex resumed>) = 0 [pid 5914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5914] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5917] <... openat resumed>) = 4 [pid 5914] <... mprotect resumed>) = 0 [pid 5917] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5917] <... futex resumed>) = 1 [pid 5914] <... rt_sigprocmask resumed>[], 8) = 0 [ 213.516205][ T5913] UDF-fs: warning (device loop2): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 213.544786][ T5911] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5912] <... futex resumed>) = 0 [pid 5858] <... restart_syscall resumed>) = 0 [pid 5917] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5912] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5921 attached [pid 5917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] <... futex resumed>) = 0 [pid 5914] <... clone3 resumed> => {parent_tid=[5921]}, 88) = 5921 [pid 5858] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5914] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5914] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... openat resumed>) = 3 [pid 5914] <... futex resumed>) = 0 [pid 5858] newfstatat(3, "", [pid 5914] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5858] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./3/binderfs") = 0 [pid 5858] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5912] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5917] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5913] +++ exited with 0 +++ [pid 5910] +++ exited with 0 +++ [pid 5921] <... rseq resumed>) = 0 [pid 5917] <... openat resumed>) = 5 [pid 5916] <... write resumed>) = 843776 [pid 5915] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5921] set_robust_list(0x7f708f7669a0, 24 [pid 5917] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5910, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5921] <... set_robust_list resumed>) = 0 [pid 5917] <... futex resumed>) = 1 [pid 5916] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... futex resumed>) = 0 [pid 5921] rt_sigprocmask(SIG_SETMASK, [], [pid 5917] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] <... futex resumed>) = 0 [pid 5912] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5916] <... futex resumed>) = 0 [pid 5912] <... futex resumed>) = 0 [pid 5921] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5917] pwrite64(5, "2", 1, 134220897 [pid 5916] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] <... openat resumed>) = 6 [pid 5917] <... pwrite64 resumed>) = 1 [pid 5921] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... futex resumed>) = 1 [pid 5917] <... futex resumed>) = 1 [pid 5912] <... futex resumed>) = 0 [pid 5921] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5917] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] <... futex resumed>) = 0 [ 213.567411][ T5913] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5917] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5912] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] <... futex resumed>) = 0 [pid 5915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5857] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5915] <... mmap resumed>) = 0x7f708f746000 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5915] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5857] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5918] <... write resumed>) = 843776 [pid 5915] <... mprotect resumed>) = 0 [pid 5914] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5914] <... futex resumed>) = 1 [pid 5857] newfstatat(3, "", [pid 5918] <... futex resumed>) = 0 [pid 5915] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5914] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5916] <... futex resumed>) = 0 [pid 5857] getdents64(3, [pid 5915] <... clone3 resumed> => {parent_tid=[5922]}, 88) = 5922 ./strace-static-x86_64: Process 5922 attached [pid 5916] fdatasync(6 [pid 5915] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5915] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5915] <... futex resumed>) = 0 [pid 5857] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5915] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5916] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5916] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] unlink("./3/binderfs" [pid 5916] <... futex resumed>) = 1 [pid 5914] <... futex resumed>) = 0 [pid 5916] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5857] <... unlink resumed>) = 0 [pid 5922] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5914] exit_group(0 [pid 5857] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5922] <... rseq resumed>) = 0 [pid 5921] <... futex resumed>) = ? [pid 5916] <... futex resumed>) = ? [pid 5914] <... exit_group resumed>) = ? [pid 5922] set_robust_list(0x7f708f7669a0, 24 [pid 5921] +++ exited with 0 +++ [pid 5916] +++ exited with 0 +++ [pid 5922] <... set_robust_list resumed>) = 0 [pid 5922] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5922] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5922] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5915] <... futex resumed>) = 0 [pid 5915] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [ 213.604939][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5918] <... futex resumed>) = 0 [pid 5915] <... futex resumed>) = 1 [pid 5922] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] fdatasync(6) = -1 EIO (Input/output error) [pid 5917] <... write resumed>) = 843776 [pid 5918] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... futex resumed>) = 1 [pid 5915] <... futex resumed>) = 0 [pid 5914] +++ exited with 0 +++ [pid 5912] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5918] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] exit_group(0 [pid 5912] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... futex resumed>) = 0 [pid 5912] <... futex resumed>) = 0 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5914, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5912] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 5918] <... futex resumed>) = ? [pid 5917] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5915] <... exit_group resumed>) = ? [pid 5918] +++ exited with 0 +++ [pid 5917] <... openat resumed>) = 6 [pid 5917] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5912] <... futex resumed>) = 0 [pid 5912] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 213.652706][ T5914] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 213.680091][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 5912] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5922] <... futex resumed>) = ? [pid 5917] fdatasync(6 [pid 5858] <... umount2 resumed>) = 0 [pid 5856] <... restart_syscall resumed>) = 0 [pid 5917] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5858] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5917] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5917] <... futex resumed>) = 1 [pid 5912] <... futex resumed>) = 0 [pid 5858] newfstatat(AT_FDCWD, "./3/file0", [pid 5856] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5917] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... openat resumed>) = 3 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(3, "", [pid 5858] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] <... openat resumed>) = 4 [pid 5856] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5858] newfstatat(4, "", [pid 5856] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5858] getdents64(4, [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] unlink("./3/binderfs") = 0 [pid 5858] getdents64(4, [pid 5856] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5912] exit_group(0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5917] <... futex resumed>) = ? [pid 5912] <... exit_group resumed>) = ? [pid 5922] +++ exited with 0 +++ [pid 5915] +++ exited with 0 +++ [pid 5858] close(4 [pid 5857] <... umount2 resumed>) = 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5915, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5855] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] <... close resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5858] rmdir("./3/file0" [pid 5855] newfstatat(3, "", [pid 5858] <... rmdir resumed>) = 0 [pid 5857] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] getdents64(3, [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [ 213.704760][ T5922] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 213.740411][ T5917] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5857] newfstatat(AT_FDCWD, "./3/file0", [pid 5917] +++ exited with 0 +++ [pid 5912] +++ exited with 0 +++ [pid 5858] close(3 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5858] <... close resumed>) = 0 [pid 5857] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] rmdir("./3" [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... rmdir resumed>) = 0 [pid 5857] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5859] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] mkdir("./4", 0777 [pid 5857] <... openat resumed>) = 4 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... mkdir resumed>) = 0 [pid 5857] newfstatat(4, "", [pid 5855] unlink("./3/binderfs" [pid 5859] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... unlink resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5858] <... openat resumed>) = 3 [pid 5857] getdents64(4, [pid 5855] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] newfstatat(3, "", [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] <... ioctl resumed>) = 0 [pid 5857] getdents64(4, [pid 5859] getdents64(3, [pid 5858] close(3 [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5858] <... close resumed>) = 0 [pid 5857] close(4 [pid 5859] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] <... close resumed>) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] rmdir("./3/file0"./strace-static-x86_64: Process 5923 attached [pid 5859] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5857] <... rmdir resumed>) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 5923 [pid 5859] unlink("./3/binderfs" [pid 5857] getdents64(3, [pid 5859] <... unlink resumed>) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5859] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] close(3) = 0 [pid 5857] rmdir("./3") = 0 [pid 5923] set_robust_list(0x55559362e6a0, 24) = 0 [pid 5923] chdir("./4" [pid 5857] mkdir("./4", 0777) = 0 [pid 5923] <... chdir resumed>) = 0 [pid 5923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5923] setpgid(0, 0) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] <... openat resumed>) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD) = 0 [pid 5857] close(3 [pid 5923] <... openat resumed>) = 3 [pid 5923] write(3, "1000", 4) = 4 [pid 5923] close(3) = 0 [pid 5923] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5857] <... close resumed>) = 0 [pid 5923] write(1, "executing program\n", 18) = 18 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5923] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5923] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 5923] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ./strace-static-x86_64: Process 5924 attached [pid 5923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 5924 [pid 5924] set_robust_list(0x55559362e6a0, 24 [pid 5923] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5924] <... set_robust_list resumed>) = 0 [pid 5923] <... mprotect resumed>) = 0 [pid 5924] chdir("./4" [pid 5923] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5924] <... chdir resumed>) = 0 [pid 5923] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5924] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5925 attached ) = 0 [pid 5923] <... clone3 resumed> => {parent_tid=[5925]}, 88) = 5925 [ 213.743946][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. executing program [pid 5923] rt_sigprocmask(SIG_SETMASK, [], [pid 5925] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 [pid 5925] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 5925] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5925] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] setpgid(0, 0 [pid 5923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5923] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... futex resumed>) = 0 [pid 5923] <... futex resumed>) = 1 [pid 5925] memfd_create("syzkaller", 0 [pid 5923] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5925] <... memfd_create resumed>) = 3 [pid 5924] <... setpgid resumed>) = 0 [pid 5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5925] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5924] write(3, "1000", 4) = 4 [pid 5924] close(3) = 0 [pid 5924] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5924] write(1, "executing program\n", 18) = 18 [pid 5924] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5924] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 5924] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 5924] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5924] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} => {parent_tid=[5926]}, 88) = 5926 ./strace-static-x86_64: Process 5926 attached [pid 5924] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5924] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5924] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5926] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 [pid 5926] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 5926] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5926] memfd_create("syzkaller", 0) = 3 [pid 5926] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5925] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [ 213.815213][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5926] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5925] <... write resumed>) = 1048576 [pid 5925] munmap(0x7f7087200000, 138412032) = 0 [pid 5856] <... umount2 resumed>) = 0 [pid 5855] <... umount2 resumed>) = 0 [pid 5925] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5855] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5925] <... openat resumed>) = 4 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5925] ioctl(4, LOOP_SET_FD, 3 [pid 5855] newfstatat(AT_FDCWD, "./3/file0", [pid 5856] newfstatat(AT_FDCWD, "./3/file0", [pid 5926] <... write resumed>) = 1048576 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5926] munmap(0x7f7087200000, 138412032) = 0 [pid 5926] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5926] ioctl(4, LOOP_SET_FD, 3 [pid 5856] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5925] <... ioctl resumed>) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5926] <... ioctl resumed>) = 0 [pid 5925] close(3 [pid 5856] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5925] <... close resumed>) = 0 [pid 5925] close(4 [pid 5856] <... openat resumed>) = 4 [pid 5855] <... openat resumed>) = 4 [pid 5925] <... close resumed>) = 0 [pid 5926] close(3) = 0 [pid 5926] close(4) = 0 [pid 5926] mkdir("./file0", 0777) = 0 [pid 5855] newfstatat(4, "", [pid 5925] mkdir("./file0", 0777 [pid 5856] newfstatat(4, "", [pid 5926] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5925] <... mkdir resumed>) = 0 [pid 5856] getdents64(4, [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(4, [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] getdents64(4, [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5925] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 5859] <... umount2 resumed>) = 0 [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] getdents64(4, [pid 5859] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] close(4 [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [ 213.888287][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 213.915523][ T5925] loop3: detected capacity change from 0 to 2048 [ 213.918880][ T5926] loop2: detected capacity change from 0 to 2048 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... close resumed>) = 0 [pid 5855] close(4 [pid 5859] newfstatat(AT_FDCWD, "./3/file0", [pid 5856] rmdir("./3/file0" [pid 5855] <... close resumed>) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 5859] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] rmdir("./3/file0" [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] getdents64(3, [pid 5855] <... rmdir resumed>) = 0 [pid 5859] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] getdents64(3, [pid 5856] close(3 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5859] <... openat resumed>) = 4 [pid 5856] <... close resumed>) = 0 [pid 5859] newfstatat(4, "", [pid 5855] close(3 [pid 5856] rmdir("./3" [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... close resumed>) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 5855] rmdir("./3" [pid 5859] getdents64(4, [pid 5856] mkdir("./4", 0777 [pid 5855] <... rmdir resumed>) = 0 [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] mkdir("./4", 0777 [pid 5856] <... mkdir resumed>) = 0 [pid 5855] <... mkdir resumed>) = 0 [pid 5859] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5859] close(4) = 0 [pid 5859] rmdir("./3/file0") = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5859] getdents64(3, [pid 5856] <... openat resumed>) = 3 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5859] close(3 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5859] <... close resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 5855] ioctl(3, LOOP_CLR_FD) = 0 [pid 5856] <... ioctl resumed>) = 0 [pid 5859] rmdir("./3" [pid 5855] close(3 [pid 5859] <... rmdir resumed>) = 0 [pid 5856] close(3 [pid 5926] <... mount resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5926] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 5927 ./strace-static-x86_64: Process 5927 attached [pid 5926] <... openat resumed>) = 3 [pid 5926] chdir("./file0") = 0 [pid 5926] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5927] set_robust_list(0x55559362e6a0, 24 [pid 5926] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5927] <... set_robust_list resumed>) = 0 [pid 5926] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5924] <... futex resumed>) = 0 [pid 5926] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [ 213.959364][ T5926] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 213.969279][ T5926] UDF-fs: Scanning with blocksize 512 failed [ 213.987127][ T5926] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5924] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] chdir("./4" [pid 5924] <... futex resumed>) = 0 [pid 5927] <... chdir resumed>) = 0 [pid 5926] <... openat resumed>) = 4 [pid 5924] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] mkdir("./4", 0777 [pid 5926] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5926] <... futex resumed>) = 0 [pid 5924] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5924] <... futex resumed>) = 0 [pid 5926] <... openat resumed>) = 5 [pid 5924] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5926] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5926] <... futex resumed>) = 0 [pid 5924] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5926] pwrite64(5, "2", 1, 134220897 [pid 5924] <... futex resumed>) = 0 [pid 5927] <... prctl resumed>) = 0 [pid 5926] <... pwrite64 resumed>) = 1 [pid 5924] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] setpgid(0, 0 [pid 5926] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5856] <... close resumed>) = 0 [pid 5927] <... setpgid resumed>) = 0 [pid 5926] <... futex resumed>) = 0 [pid 5924] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5924] <... futex resumed>) = 0 [pid 5859] <... mkdir resumed>) = 0 [pid 5926] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5924] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] <... openat resumed>) = 3 [pid 5927] write(3, "1000", 4 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5927] <... write resumed>) = 4 executing program [pid 5927] close(3 [pid 5859] <... openat resumed>) = 3 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5927] <... close resumed>) = 0 [pid 5927] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5927] write(1, "executing program\n", 18) = 18 [pid 5927] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5927] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 5927] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 5927] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5927] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5927] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 5928 attached => {parent_tid=[5928]}, 88) = 5928 [pid 5927] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] ioctl(3, LOOP_CLR_FD [pid 5927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5927] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5928] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5927] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5859] <... ioctl resumed>) = 0 [pid 5859] close(3 [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 5929 ./strace-static-x86_64: Process 5929 attached [pid 5928] <... rseq resumed>) = 0 [pid 5928] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 5928] rt_sigprocmask(SIG_SETMASK, [], [pid 5929] set_robust_list(0x55559362e6a0, 24 [pid 5928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] <... set_robust_list resumed>) = 0 [pid 5928] memfd_create("syzkaller", 0 [pid 5859] <... close resumed>) = 0 [pid 5929] chdir("./4" [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5929] <... chdir resumed>) = 0 [pid 5929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5928] <... memfd_create resumed>) = 3 [pid 5928] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5929] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5930 attached [pid 5929] setpgid(0, 0 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 5930 [pid 5929] <... setpgid resumed>) = 0 [pid 5930] set_robust_list(0x55559362e6a0, 24 [pid 5929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5930] <... set_robust_list resumed>) = 0 [pid 5930] chdir("./4") = 0 [ 214.020122][ T5925] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 214.039433][ T5925] UDF-fs: Scanning with blocksize 512 failed [pid 5930] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5929] <... openat resumed>) = 3 [pid 5928] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5930] <... prctl resumed>) = 0 [pid 5930] setpgid(0, 0) = 0 [pid 5930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5929] write(3, "1000", 4executing program [pid 5930] <... openat resumed>) = 3 [pid 5929] <... write resumed>) = 4 [pid 5930] write(3, "1000", 4 [pid 5924] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5930] <... write resumed>) = 4 [pid 5924] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] close(3 [pid 5924] <... futex resumed>) = 0 [pid 5930] <... close resumed>) = 0 [pid 5924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5930] symlink("/dev/binderfs", "./binderfs" [pid 5924] <... mmap resumed>) = 0x7f708f746000 [pid 5930] <... symlink resumed>) = 0 [pid 5924] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5930] write(1, "executing program\n", 18 [pid 5924] <... mprotect resumed>) = 0 [pid 5930] <... write resumed>) = 18 [pid 5930] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] close(3 [pid 5924] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5929] <... close resumed>) = 0 [pid 5924] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5929] symlink("/dev/binderfs", "./binderfs" [pid 5930] <... futex resumed>) = 0 [pid 5924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5929] <... symlink resumed>) = 0 [pid 5930] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5924] <... clone3 resumed> => {parent_tid=[5931]}, 88) = 5931 executing program ./strace-static-x86_64: Process 5931 attached [pid 5930] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5929] write(1, "executing program\n", 18 [pid 5924] rt_sigprocmask(SIG_SETMASK, [], [pid 5929] <... write resumed>) = 18 [pid 5931] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5930] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5929] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] <... futex resumed>) = 0 [pid 5931] <... rseq resumed>) = 0 [pid 5930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5924] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5931] set_robust_list(0x7f708f7669a0, 24 [pid 5930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5929] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5931] <... set_robust_list resumed>) = 0 [pid 5930] <... mmap resumed>) = 0x7f708f767000 [pid 5929] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5924] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] rt_sigprocmask(SIG_SETMASK, [], [pid 5930] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5930] <... mprotect resumed>) = 0 [pid 5929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5931] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5930] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5931] <... openat resumed>) = 6 [pid 5930] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5929] <... mmap resumed>) = 0x7f708f767000 [pid 5931] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5929] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5928] <... write resumed>) = 1048576 [pid 5930] <... clone3 resumed> => {parent_tid=[5932]}, 88) = 5932 [pid 5930] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5932 attached [pid 5931] <... futex resumed>) = 1 [pid 5930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5932] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5931] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5930] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... rseq resumed>) = 0 [pid 5931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5930] <... futex resumed>) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5932] set_robust_list(0x7f708f7879a0, 24 [pid 5931] fdatasync(6 [pid 5930] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5924] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5932] <... set_robust_list resumed>) = 0 [pid 5931] <... fdatasync resumed>) = 0 [pid 5928] munmap(0x7f7087200000, 138412032 [pid 5932] rt_sigprocmask(SIG_SETMASK, [], [pid 5931] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] <... munmap resumed>) = 0 [pid 5932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5931] <... futex resumed>) = 1 [pid 5924] <... futex resumed>) = 0 [pid 5932] memfd_create("syzkaller", 0 [pid 5931] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] <... memfd_create resumed>) = 3 [pid 5928] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5932] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5928] <... openat resumed>) = 4 [pid 5932] <... mmap resumed>) = 0x7f7087200000 [pid 5928] ioctl(4, LOOP_SET_FD, 3 [pid 5929] <... mprotect resumed>) = 0 [pid 5932] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5929] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5928] <... ioctl resumed>) = 0 [pid 5929] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5928] close(3./strace-static-x86_64: Process 5933 attached ) = 0 [pid 5928] close(4) = 0 [pid 5933] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5929] <... clone3 resumed> => {parent_tid=[5933]}, 88) = 5933 [pid 5928] mkdir("./file0", 0777 [pid 5933] <... rseq resumed>) = 0 [pid 5929] rt_sigprocmask(SIG_SETMASK, [], [pid 5933] set_robust_list(0x7f708f7879a0, 24 [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5928] <... mkdir resumed>) = 0 [pid 5933] <... set_robust_list resumed>) = 0 [pid 5929] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] rt_sigprocmask(SIG_SETMASK, [], [pid 5929] <... futex resumed>) = 0 [pid 5933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5933] memfd_create("syzkaller", 0 [pid 5929] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5925] <... mount resumed>) = 0 [pid 5933] <... memfd_create resumed>) = 3 [pid 5928] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 5926] <... write resumed>) = 843776 [pid 5925] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5933] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5932] <... write resumed>) = 1048576 [pid 5926] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... openat resumed>) = 3 [ 214.146400][ T5928] loop0: detected capacity change from 0 to 2048 [ 214.155846][ T5925] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5933] <... mmap resumed>) = 0x7f7087200000 [pid 5925] chdir("./file0" [pid 5924] exit_group(0 [pid 5931] <... futex resumed>) = ? [pid 5925] <... chdir resumed>) = 0 [pid 5924] <... exit_group resumed>) = ? [pid 5931] +++ exited with 0 +++ [pid 5925] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5925] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... futex resumed>) = 0 [pid 5925] <... futex resumed>) = 1 [pid 5926] <... futex resumed>) = ? [pid 5925] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5923] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5923] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5932] munmap(0x7f7087200000, 138412032 [pid 5933] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5925] <... openat resumed>) = 4 [pid 5932] <... munmap resumed>) = 0 [pid 5925] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5925] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] <... futex resumed>) = 0 [pid 5923] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5925] <... futex resumed>) = 0 [pid 5923] <... futex resumed>) = 1 [pid 5932] <... openat resumed>) = 4 [pid 5925] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5923] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5932] ioctl(4, LOOP_SET_FD, 3 [pid 5925] <... openat resumed>) = 5 [pid 5925] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] +++ exited with 0 +++ [pid 5924] +++ exited with 0 +++ [pid 5933] <... write resumed>) = 1048576 [pid 5932] <... ioctl resumed>) = 0 [pid 5925] <... futex resumed>) = 1 [pid 5923] <... futex resumed>) = 0 [pid 5933] munmap(0x7f7087200000, 138412032 [pid 5932] close(3 [pid 5925] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5924, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5933] <... munmap resumed>) = 0 [pid 5932] <... close resumed>) = 0 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5923] <... futex resumed>) = 0 [pid 5925] pwrite64(5, "2", 1, 134220897 [pid 5933] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5932] close(4 [pid 5923] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] restart_syscall(<... resuming interrupted clone ...> [pid 5925] <... pwrite64 resumed>) = 1 [pid 5933] <... openat resumed>) = 4 [pid 5932] <... close resumed>) = 0 [pid 5925] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... restart_syscall resumed>) = 0 [pid 5925] <... futex resumed>) = 1 [pid 5923] <... futex resumed>) = 0 [pid 5932] mkdir("./file0", 0777 [pid 5933] ioctl(4, LOOP_SET_FD, 3 [pid 5925] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... mkdir resumed>) = 0 [pid 5923] <... futex resumed>) = 0 [ 214.214085][ T5926] UDF-fs: warning (device loop2): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 214.226829][ T5928] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 214.231730][ T5926] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 214.250706][ T5932] loop4: detected capacity change from 0 to 2048 [ 214.251106][ T5928] UDF-fs: Scanning with blocksize 512 failed [pid 5928] <... mount resumed>) = 0 [pid 5928] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5928] chdir("./file0") = 0 [pid 5928] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5928] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5928] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5933] <... ioctl resumed>) = 0 [pid 5932] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 5927] <... futex resumed>) = 0 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5925] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5933] close(3 [pid 5927] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5928] <... futex resumed>) = 0 [pid 5927] <... futex resumed>) = 1 [pid 5857] <... openat resumed>) = 3 [pid 5928] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5927] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] newfstatat(3, "", [pid 5928] <... openat resumed>) = 4 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5928] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] getdents64(3, [pid 5928] <... futex resumed>) = 1 [pid 5927] <... futex resumed>) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5933] <... close resumed>) = 0 [pid 5928] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5933] close(4 [pid 5928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5927] <... futex resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5928] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5927] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5928] <... openat resumed>) = 5 [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5928] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] unlink("./4/binderfs" [pid 5928] <... futex resumed>) = 1 [pid 5927] <... futex resumed>) = 0 [pid 5857] <... unlink resumed>) = 0 [pid 5928] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5933] <... close resumed>) = 0 [pid 5927] <... futex resumed>) = 0 [pid 5933] mkdir("./file0", 0777 [pid 5928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5927] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5928] pwrite64(5, "2", 1, 134220897) = 1 [pid 5933] <... mkdir resumed>) = 0 [pid 5928] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... futex resumed>) = 0 [pid 5927] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5927] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5928] <... futex resumed>) = 1 [pid 5928] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [ 214.270029][ T5928] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 214.281312][ T5933] loop1: detected capacity change from 0 to 2048 [ 214.303378][ T5932] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [pid 5933] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 5923] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5923] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5923] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5923] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5927] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5927] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5927] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5927] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [ 214.321679][ T5932] UDF-fs: Scanning with blocksize 512 failed [ 214.352834][ T5933] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [pid 5927] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5927] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 5934 attached => {parent_tid=[5934]}, 88) = 5934 [pid 5927] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5927] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5927] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 5934] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 5934] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5934] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5923] <... clone3 resumed> => {parent_tid=[5935]}, 88) = 5935 ./strace-static-x86_64: Process 5935 attached [pid 5935] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5923] rt_sigprocmask(SIG_SETMASK, [], [pid 5935] <... rseq resumed>) = 0 [pid 5934] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5934] <... futex resumed>) = 1 [pid 5927] <... futex resumed>) = 0 [pid 5927] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5934] fdatasync(6 [pid 5927] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] set_robust_list(0x7f708f7669a0, 24 [pid 5923] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... set_robust_list resumed>) = 0 [pid 5923] <... futex resumed>) = 0 [pid 5935] rt_sigprocmask(SIG_SETMASK, [], [pid 5923] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5934] <... fdatasync resumed>) = 0 [pid 5934] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5934] <... futex resumed>) = 1 [ 214.360726][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [ 214.393722][ T5932] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 214.403294][ T5933] UDF-fs: Scanning with blocksize 512 failed [pid 5927] <... futex resumed>) = 0 [pid 5935] <... openat resumed>) = 6 [pid 5934] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5935] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5923] <... futex resumed>) = 0 [pid 5923] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] fdatasync(6 [pid 5923] <... futex resumed>) = 0 [pid 5935] <... fdatasync resumed>) = 0 [pid 5923] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5923] <... futex resumed>) = 0 [pid 5932] <... mount resumed>) = 0 [pid 5935] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5933] <... mount resumed>) = 0 [pid 5933] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5932] <... openat resumed>) = 3 [pid 5933] <... openat resumed>) = 3 [pid 5933] chdir("./file0" [pid 5932] chdir("./file0" [pid 5933] <... chdir resumed>) = 0 [pid 5932] <... chdir resumed>) = 0 [pid 5933] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5932] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5933] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5932] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5932] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... futex resumed>) = 1 [pid 5930] <... futex resumed>) = 0 [pid 5933] <... futex resumed>) = 1 [pid 5932] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5930] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] <... futex resumed>) = 0 [pid 5933] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5930] <... futex resumed>) = 0 [pid 5929] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5932] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5930] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5929] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5925] <... write resumed>) = 843776 [pid 5933] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5932] <... openat resumed>) = 4 [pid 5933] <... openat resumed>) = 4 [pid 5932] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... umount2 resumed>) = 0 [pid 5933] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... futex resumed>) = 1 [pid 5930] <... futex resumed>) = 0 [pid 5925] <... futex resumed>) = 0 [pid 5923] exit_group(0 [pid 5857] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5935] <... futex resumed>) = ? [pid 5933] <... futex resumed>) = 1 [pid 5932] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5930] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] <... futex resumed>) = 0 [pid 5923] <... exit_group resumed>) = ? [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5928] <... write resumed>) = 843776 [pid 5935] +++ exited with 0 +++ [pid 5933] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5930] <... futex resumed>) = 0 [pid 5929] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] +++ exited with 0 +++ [pid 5933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5932] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5930] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5929] <... futex resumed>) = 0 [ 214.422089][ T5933] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5928] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] newfstatat(AT_FDCWD, "./4/file0", [pid 5933] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5932] <... openat resumed>) = 5 [pid 5929] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5928] <... futex resumed>) = 0 [pid 5928] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] exit_group(0 [pid 5934] <... futex resumed>) = ? [pid 5928] <... futex resumed>) = ? [pid 5927] <... exit_group resumed>) = ? [pid 5934] +++ exited with 0 +++ [pid 5933] <... openat resumed>) = 5 [pid 5932] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] +++ exited with 0 +++ [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5927] +++ exited with 0 +++ [pid 5933] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... futex resumed>) = 1 [pid 5930] <... futex resumed>) = 0 [pid 5923] +++ exited with 0 +++ [pid 5857] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5927, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5933] <... futex resumed>) = 1 [pid 5932] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5930] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] <... futex resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5929] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5929] <... futex resumed>) = 0 [pid 5933] pwrite64(5, "2", 1, 134220897 [pid 5932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5930] <... futex resumed>) = 0 [pid 5929] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5923, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5857] <... openat resumed>) = 4 [pid 5933] <... pwrite64 resumed>) = 1 [pid 5932] pwrite64(5, "2", 1, 134220897 [pid 5930] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] newfstatat(4, "", [pid 5855] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5933] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... pwrite64 resumed>) = 1 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5933] <... futex resumed>) = 1 [pid 5929] <... futex resumed>) = 0 [pid 5932] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] getdents64(4, [pid 5855] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5929] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... openat resumed>) = 3 [pid 5933] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5932] <... futex resumed>) = 1 [pid 5930] <... futex resumed>) = 0 [pid 5929] <... futex resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] newfstatat(3, "", [pid 5932] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5930] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] newfstatat(3, "", [pid 5857] getdents64(4, [pid 5930] <... futex resumed>) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5930] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] close(4 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, [pid 5857] <... close resumed>) = 0 [pid 5855] getdents64(3, [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] rmdir("./4/file0" [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5858] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... rmdir resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5857] getdents64(3, [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5858] unlink("./4/binderfs" [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] <... unlink resumed>) = 0 [pid 5857] close(3 [pid 5855] unlink("./4/binderfs" [pid 5858] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... close resumed>) = 0 [pid 5857] rmdir("./4" [pid 5855] <... unlink resumed>) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 5855] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] mkdir("./5", 0777) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD) = 0 [ 214.465844][ T5923] UDF-fs: warning (device loop3): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 214.472667][ T5927] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 214.482320][ T5923] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5857] close(3) = 0 [pid 5929] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5929] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5929] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5929] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5929] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[5936]}, 88) = 5936 [pid 5929] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5930] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5929] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5936 attached [pid 5929] <... futex resumed>) = 0 [pid 5929] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5930] <... futex resumed>) = 0 [pid 5930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5936] <... rseq resumed>) = 0 [pid 5930] <... mmap resumed>) = 0x7f708f746000 [pid 5936] set_robust_list(0x7f708f7669a0, 24 [pid 5930] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5936] <... set_robust_list resumed>) = 0 [pid 5936] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5936] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5930] <... mprotect resumed>) = 0 [pid 5936] <... openat resumed>) = 6 [pid 5930] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5936] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5936] <... futex resumed>) = 1 [pid 5930] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5936] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5930] <... clone3 resumed> => {parent_tid=[5937]}, 88) = 5937 [pid 5929] <... futex resumed>) = 0 [pid 5930] rt_sigprocmask(SIG_SETMASK, [], [pid 5929] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... futex resumed>) = 0 [pid 5930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] <... futex resumed>) = 1 [pid 5936] fdatasync(6 [pid 5930] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] <... fdatasync resumed>) = 0 [pid 5930] <... futex resumed>) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5938 attached ./strace-static-x86_64: Process 5937 attached [pid 5936] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] <... futex resumed>) = 1 [pid 5929] <... futex resumed>) = 0 [pid 5936] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 5938 [pid 5938] set_robust_list(0x55559362e6a0, 24 [pid 5937] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5938] <... set_robust_list resumed>) = 0 [pid 5937] <... rseq resumed>) = 0 [pid 5938] chdir("./5" [pid 5937] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 5938] <... chdir resumed>) = 0 [pid 5937] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5937] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5937] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5937] <... futex resumed>) = 1 [pid 5930] <... futex resumed>) = 0 [pid 5937] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5930] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... futex resumed>) = 0 [pid 5930] <... futex resumed>) = 1 [pid 5937] fdatasync(6 [pid 5930] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] <... prctl resumed>) = 0 [pid 5938] setpgid(0, 0 [pid 5937] <... fdatasync resumed>) = 0 [pid 5933] <... write resumed>) = 843776 [pid 5938] <... setpgid resumed>) = 0 [pid 5938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5937] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] exit_group(0 [pid 5936] <... futex resumed>) = ? [pid 5929] <... exit_group resumed>) = ? [pid 5936] +++ exited with 0 +++ [ 214.583623][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [ 214.611927][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5938] <... openat resumed>) = 3 [pid 5937] <... futex resumed>) = 1 [pid 5933] <... futex resumed>) = ? [pid 5932] <... write resumed>) = 843776 [pid 5930] <... futex resumed>) = 0 [pid 5938] write(3, "1000", 4 [pid 5937] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... write resumed>) = 4 [pid 5932] <... futex resumed>) = 0 [pid 5938] close(3 [pid 5932] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5930] exit_group(0 [pid 5938] <... close resumed>) = 0 [pid 5937] <... futex resumed>) = ? [pid 5930] <... exit_group resumed>) = ? [pid 5932] <... futex resumed>) = ? [pid 5932] +++ exited with 0 +++ [pid 5933] +++ exited with 0 +++ [pid 5929] +++ exited with 0 +++ [pid 5858] <... umount2 resumed>) = 0 [pid 5938] symlink("/dev/binderfs", "./binderfs" [pid 5937] +++ exited with 0 +++ [pid 5930] +++ exited with 0 +++ [pid 5855] <... umount2 resumed>) = 0 [pid 5858] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5930, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5858] newfstatat(AT_FDCWD, "./4/file0", [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5929, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5855] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5938] <... symlink resumed>) = 0 [pid 5855] newfstatat(AT_FDCWD, "./4/file0", executing program [pid 5858] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5938] write(1, "executing program\n", 18 [pid 5859] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5938] <... write resumed>) = 18 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5938] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5938] <... futex resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5938] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5938] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5859] newfstatat(3, "", [pid 5855] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5938] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5856] <... openat resumed>) = 3 [pid 5938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] <... openat resumed>) = 4 [pid 5938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5856] newfstatat(3, "", [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5938] <... mmap resumed>) = 0x7f708f767000 [pid 5855] newfstatat(4, "", [pid 5858] <... openat resumed>) = 4 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] getdents64(3, [pid 5858] newfstatat(4, "", [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5938] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, [pid 5855] getdents64(4, [pid 5859] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] getdents64(4, [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5938] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5858] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] getdents64(4, [pid 5938] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] close(4 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5859] unlink("./4/binderfs"./strace-static-x86_64: Process 5939 attached ) = 0 [pid 5858] <... close resumed>) = 0 [pid 5856] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5855] close(4 [pid 5939] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5938] <... clone3 resumed> => {parent_tid=[5939]}, 88) = 5939 [pid 5858] rmdir("./4/file0" [pid 5939] <... rseq resumed>) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... close resumed>) = 0 [pid 5939] set_robust_list(0x7f708f7879a0, 24 [pid 5858] <... rmdir resumed>) = 0 [pid 5939] <... set_robust_list resumed>) = 0 [pid 5938] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] rmdir("./4/file0" [pid 5939] rt_sigprocmask(SIG_SETMASK, [], [pid 5938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] getdents64(3, [pid 5856] unlink("./4/binderfs" [pid 5855] <... rmdir resumed>) = 0 [pid 5939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5938] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] <... unlink resumed>) = 0 [pid 5855] getdents64(3, [pid 5939] memfd_create("syzkaller", 0 [pid 5938] <... futex resumed>) = 0 [pid 5939] <... memfd_create resumed>) = 3 [pid 5938] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5858] close(3 [pid 5856] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 5855] rmdir("./4") = 0 [pid 5855] mkdir("./5", 0777) = 0 [ 214.670209][ T5933] UDF-fs: warning (device loop1): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 214.691513][ T5933] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 214.692779][ T5937] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5939] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5858] <... close resumed>) = 0 [pid 5855] ioctl(3, LOOP_CLR_FD) = 0 [pid 5855] close(3) = 0 [pid 5939] <... mmap resumed>) = 0x7f7087200000 [pid 5858] rmdir("./4") = 0 [pid 5858] mkdir("./5", 0777) = 0 [ 214.761409][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5939] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 5940 ./strace-static-x86_64: Process 5940 attached [pid 5859] <... umount2 resumed>) = 0 [pid 5858] ioctl(3, LOOP_CLR_FD) = 0 [pid 5940] set_robust_list(0x55559362e6a0, 24 [pid 5859] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] close(3 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(AT_FDCWD, "./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5940] <... set_robust_list resumed>) = 0 [pid 5939] <... write resumed>) = 1048576 [pid 5940] chdir("./5" [pid 5939] munmap(0x7f7087200000, 138412032 [pid 5859] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... close resumed>) = 0 [pid 5940] <... chdir resumed>) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5940] <... prctl resumed>) = 0 [pid 5859] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5940] setpgid(0, 0 [pid 5859] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5859] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5940] <... setpgid resumed>) = 0 [pid 5859] close(4./strace-static-x86_64: Process 5941 attached [pid 5940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5939] <... munmap resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5940] <... openat resumed>) = 3 [ 214.798655][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 5939] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5859] rmdir("./4/file0" [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 5941 [pid 5940] write(3, "1000", 4 [pid 5939] <... openat resumed>) = 4 [pid 5940] <... write resumed>) = 4 [pid 5941] set_robust_list(0x55559362e6a0, 24 [pid 5940] close(3 [pid 5939] ioctl(4, LOOP_SET_FD, 3 [pid 5859] <... rmdir resumed>) = 0 [pid 5940] <... close resumed>) = 0 [pid 5941] <... set_robust_list resumed>) = 0 [pid 5940] symlink("/dev/binderfs", "./binderfs" [pid 5939] <... ioctl resumed>) = 0 [pid 5859] getdents64(3, [pid 5940] <... symlink resumed>) = 0 executing program [pid 5940] write(1, "executing program\n", 18 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5940] <... write resumed>) = 18 [pid 5859] close(3 [pid 5941] chdir("./5" [pid 5940] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... close resumed>) = 0 [pid 5940] <... futex resumed>) = 0 [pid 5859] rmdir("./4" [pid 5940] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5941] <... chdir resumed>) = 0 [pid 5941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5941] setpgid(0, 0 [pid 5940] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5859] <... rmdir resumed>) = 0 [pid 5940] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5859] mkdir("./5", 0777 [pid 5940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5941] <... setpgid resumed>) = 0 [pid 5941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5941] write(3, "1000", 4) = 4 [pid 5941] close(3) = 0 [pid 5941] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5941] write(1, "executing program\n", 18) = 18 [pid 5941] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5941] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 5859] <... mkdir resumed>) = 0 [pid 5941] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5940] <... mmap resumed>) = 0x7f708f767000 [pid 5941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5940] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5940] <... mprotect resumed>) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5941] <... mmap resumed>) = 0x7f708f767000 [pid 5940] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5941] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5859] <... openat resumed>) = 3 [pid 5941] <... mprotect resumed>) = 0 [pid 5940] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] ioctl(3, LOOP_CLR_FD [pid 5940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5859] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5942 attached [pid 5941] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] close(3 [pid 5940] <... clone3 resumed> => {parent_tid=[5942]}, 88) = 5942 [pid 5939] close(3 [pid 5942] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5941] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5940] rt_sigprocmask(SIG_SETMASK, [], [pid 5939] <... close resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5856] <... umount2 resumed>) = 0 [pid 5942] <... rseq resumed>) = 0 [pid 5941] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5939] close(4 [pid 5942] set_robust_list(0x7f708f7879a0, 24 [pid 5940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5939] <... close resumed>) = 0 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5943 attached [pid 5942] <... set_robust_list resumed>) = 0 [pid 5940] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] mkdir("./file0", 0777./strace-static-x86_64: Process 5944 attached [pid 5942] rt_sigprocmask(SIG_SETMASK, [], [pid 5941] <... clone3 resumed> => {parent_tid=[5943]}, 88) = 5943 [pid 5939] <... mkdir resumed>) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5941] rt_sigprocmask(SIG_SETMASK, [], [pid 5940] <... futex resumed>) = 0 [pid 5856] newfstatat(AT_FDCWD, "./4/file0", [pid 5944] set_robust_list(0x55559362e6a0, 24 [pid 5943] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5942] memfd_create("syzkaller", 0 [pid 5941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5940] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5944] <... set_robust_list resumed>) = 0 [pid 5943] <... rseq resumed>) = 0 [pid 5942] <... memfd_create resumed>) = 3 [pid 5941] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 5944 [pid 5856] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] chdir("./5" [pid 5943] set_robust_list(0x7f708f7879a0, 24 [pid 5942] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5941] <... futex resumed>) = 0 [pid 5944] <... chdir resumed>) = 0 [pid 5942] <... mmap resumed>) = 0x7f7087200000 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5941] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5943] <... set_robust_list resumed>) = 0 [pid 5944] <... prctl resumed>) = 0 [pid 5856] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5944] setpgid(0, 0 [pid 5856] <... openat resumed>) = 4 [pid 5944] <... setpgid resumed>) = 0 [pid 5856] newfstatat(4, "", [pid 5944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 214.852246][ T5939] loop2: detected capacity change from 0 to 2048 [pid 5944] <... openat resumed>) = 3 [pid 5856] getdents64(4, [pid 5943] rt_sigprocmask(SIG_SETMASK, [], [pid 5944] write(3, "1000", 4 [pid 5943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5944] <... write resumed>) = 4 [pid 5944] close(3) = 0 [pid 5943] memfd_create("syzkaller", 0 [pid 5944] symlink("/dev/binderfs", "./binderfs" [pid 5943] <... memfd_create resumed>) = 3 [pid 5942] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5944] <... symlink resumed>) = 0 [pid 5943] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5944] write(1, "executing program\n", 18 [pid 5943] <... mmap resumed>) = 0x7f7087200000 [pid 5944] <... write resumed>) = 18 [pid 5944] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5944] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 5944] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5856] getdents64(4, [pid 5944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5856] close(4 [pid 5944] <... mmap resumed>) = 0x7f708f767000 [pid 5856] <... close resumed>) = 0 [pid 5944] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5856] rmdir("./4/file0" [pid 5944] <... mprotect resumed>) = 0 [pid 5943] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5856] <... rmdir resumed>) = 0 [pid 5944] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5856] getdents64(3, [pid 5944] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5944] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5856] close(3./strace-static-x86_64: Process 5945 attached [pid 5944] <... clone3 resumed> => {parent_tid=[5945]}, 88) = 5945 [pid 5856] <... close resumed>) = 0 [pid 5945] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5944] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] rmdir("./4" [pid 5945] <... rseq resumed>) = 0 [pid 5944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5945] set_robust_list(0x7f708f7879a0, 24 [pid 5944] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... rmdir resumed>) = 0 [pid 5945] <... set_robust_list resumed>) = 0 [pid 5944] <... futex resumed>) = 0 [pid 5856] mkdir("./5", 0777 [pid 5945] rt_sigprocmask(SIG_SETMASK, [], [pid 5944] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5856] <... mkdir resumed>) = 0 [pid 5945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5945] memfd_create("syzkaller", 0 [pid 5856] <... openat resumed>) = 3 [pid 5945] <... memfd_create resumed>) = 3 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 5945] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5943] <... write resumed>) = 1048576 [pid 5942] <... write resumed>) = 1048576 [pid 5856] <... ioctl resumed>) = 0 [pid 5943] munmap(0x7f7087200000, 138412032 [pid 5945] <... mmap resumed>) = 0x7f7087200000 [pid 5943] <... munmap resumed>) = 0 [ 214.930194][ T5939] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 214.968670][ T5939] UDF-fs: Scanning with blocksize 512 failed [pid 5856] close(3 [pid 5943] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5945] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5942] munmap(0x7f7087200000, 138412032 [pid 5856] <... close resumed>) = 0 [pid 5943] <... openat resumed>) = 4 [pid 5942] <... munmap resumed>) = 0 [pid 5943] ioctl(4, LOOP_SET_FD, 3 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5946 attached [pid 5945] <... write resumed>) = 1048576 [pid 5943] <... ioctl resumed>) = 0 [pid 5942] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5939] <... mount resumed>) = 0 [pid 5946] set_robust_list(0x55559362e6a0, 24 [pid 5945] munmap(0x7f7087200000, 138412032 [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 5946 [pid 5946] <... set_robust_list resumed>) = 0 [pid 5946] chdir("./5") = 0 [pid 5942] <... openat resumed>) = 4 [pid 5942] ioctl(4, LOOP_SET_FD, 3 [pid 5945] <... munmap resumed>) = 0 [pid 5946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5945] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5943] close(3 [pid 5939] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5946] <... prctl resumed>) = 0 [pid 5945] <... openat resumed>) = 4 [pid 5939] <... openat resumed>) = 3 [pid 5946] setpgid(0, 0 [pid 5939] chdir("./file0" [pid 5946] <... setpgid resumed>) = 0 [pid 5945] ioctl(4, LOOP_SET_FD, 3 [pid 5943] <... close resumed>) = 0 [pid 5939] <... chdir resumed>) = 0 [pid 5942] <... ioctl resumed>) = 0 [pid 5946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5945] <... ioctl resumed>) = 0 [pid 5943] close(4 [pid 5939] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5946] <... openat resumed>) = 3 [pid 5945] close(3 [pid 5942] close(3 [pid 5945] <... close resumed>) = 0 [pid 5945] close(4 [pid 5946] write(3, "1000", 4 [pid 5945] <... close resumed>) = 0 [pid 5943] <... close resumed>) = 0 [pid 5942] <... close resumed>) = 0 [pid 5946] <... write resumed>) = 4 [pid 5945] mkdir("./file0", 0777 [pid 5942] close(4 [pid 5939] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5946] close(3 [pid 5945] <... mkdir resumed>) = 0 [pid 5943] mkdir("./file0", 0777 [pid 5942] <... close resumed>) = 0 [pid 5939] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... close resumed>) = 0 [pid 5945] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 5942] mkdir("./file0", 0777 [ 214.989928][ T5939] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 215.004846][ T5943] loop3: detected capacity change from 0 to 2048 [ 215.019004][ T5942] loop0: detected capacity change from 0 to 2048 [ 215.028112][ T5945] loop4: detected capacity change from 0 to 2048 [pid 5946] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5943] <... mkdir resumed>) = 0 [pid 5942] <... mkdir resumed>) = 0 [pid 5939] <... futex resumed>) = 1 [pid 5938] <... futex resumed>) = 0 [pid 5938] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 5938] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] write(1, "executing program\n", 18 [pid 5943] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 5942] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 5939] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5946] <... write resumed>) = 18 [pid 5946] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5939] <... openat resumed>) = 4 [pid 5946] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5939] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5939] <... futex resumed>) = 1 [pid 5946] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5939] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5938] <... futex resumed>) = 0 [pid 5946] <... mmap resumed>) = 0x7f708f767000 [pid 5946] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5938] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... mprotect resumed>) = 0 [pid 5939] <... futex resumed>) = 0 [pid 5938] <... futex resumed>) = 1 [pid 5938] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5939] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5946] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5939] <... openat resumed>) = 5 [pid 5946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5939] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 ./strace-static-x86_64: Process 5947 attached [pid 5938] <... futex resumed>) = 0 [pid 5939] pwrite64(5, "2", 1, 134220897 [pid 5938] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5938] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5946] <... clone3 resumed> => {parent_tid=[5947]}, 88) = 5947 [pid 5939] <... pwrite64 resumed>) = 1 [pid 5947] <... rseq resumed>) = 0 [pid 5946] rt_sigprocmask(SIG_SETMASK, [], [pid 5939] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [ 215.050460][ T5945] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 215.063673][ T5945] UDF-fs: Scanning with blocksize 512 failed [ 215.081721][ T5945] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 215.082164][ T5942] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [pid 5947] set_robust_list(0x7f708f7879a0, 24 [pid 5945] <... mount resumed>) = 0 [pid 5947] <... set_robust_list resumed>) = 0 [pid 5946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5939] <... futex resumed>) = 1 [pid 5938] <... futex resumed>) = 0 [pid 5947] rt_sigprocmask(SIG_SETMASK, [], [pid 5946] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5938] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5938] <... futex resumed>) = 0 [pid 5945] <... openat resumed>) = 3 [pid 5947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5946] <... futex resumed>) = 0 [pid 5945] chdir("./file0" [pid 5938] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] <... chdir resumed>) = 0 [pid 5946] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5947] memfd_create("syzkaller", 0 [pid 5945] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5947] <... memfd_create resumed>) = 3 [pid 5945] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 215.103340][ T5942] UDF-fs: Scanning with blocksize 512 failed [ 215.111121][ T5943] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 215.121115][ T5943] UDF-fs: Scanning with blocksize 512 failed [pid 5947] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5945] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5945] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5944] <... futex resumed>) = 0 [pid 5945] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5944] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] <... mmap resumed>) = 0x7f7087200000 [pid 5945] <... openat resumed>) = 4 [pid 5945] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5944] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5944] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 5945] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5944] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5944] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] pwrite64(5, "2", 1, 134220897) = 1 [pid 5945] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... futex resumed>) = 0 [pid 5947] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5944] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5944] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] <... futex resumed>) = 1 [pid 5945] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5942] <... mount resumed>) = 0 [pid 5942] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5942] chdir("./file0" [pid 5947] <... write resumed>) = 1048576 [pid 5942] <... chdir resumed>) = 0 [pid 5938] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5947] munmap(0x7f7087200000, 138412032 [pid 5942] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5938] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5944] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5942] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5944] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5944] <... futex resumed>) = 0 [pid 5938] <... mprotect resumed>) = 0 [pid 5947] <... munmap resumed>) = 0 [pid 5942] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5942] <... futex resumed>) = 1 [pid 5940] <... futex resumed>) = 0 [pid 5938] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5947] <... openat resumed>) = 4 [pid 5942] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5940] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5947] ioctl(4, LOOP_SET_FD, 3 [pid 5938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5940] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5948 attached [pid 5944] <... mmap resumed>) = 0x7f708f746000 [pid 5940] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 215.144912][ T5942] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 215.180690][ T5943] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5944] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5944] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5944] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[5949]}, 88) = 5949 [pid 5944] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5944] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5944] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5949 attached [pid 5948] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5938] <... clone3 resumed> => {parent_tid=[5948]}, 88) = 5948 [pid 5949] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5948] <... rseq resumed>) = 0 [pid 5942] <... openat resumed>) = 4 [pid 5949] <... rseq resumed>) = 0 [pid 5948] set_robust_list(0x7f708f7669a0, 24 [pid 5942] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] rt_sigprocmask(SIG_SETMASK, [], [pid 5949] set_robust_list(0x7f708f7669a0, 24 [pid 5948] <... set_robust_list resumed>) = 0 [pid 5942] <... futex resumed>) = 1 [pid 5940] <... futex resumed>) = 0 [pid 5938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5949] <... set_robust_list resumed>) = 0 [pid 5948] rt_sigprocmask(SIG_SETMASK, [], [pid 5943] <... mount resumed>) = 0 [pid 5942] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] rt_sigprocmask(SIG_SETMASK, [], [pid 5948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5947] <... ioctl resumed>) = 0 [pid 5943] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5940] <... futex resumed>) = 0 [pid 5939] <... write resumed>) = 843776 [pid 5938] <... futex resumed>) = 0 [pid 5949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5948] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5947] close(3 [pid 5943] <... openat resumed>) = 3 [pid 5942] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5940] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5949] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5948] <... openat resumed>) = 6 [pid 5947] <... close resumed>) = 0 [pid 5943] chdir("./file0" [pid 5942] <... openat resumed>) = 5 [pid 5939] <... futex resumed>) = 0 [pid 5949] <... openat resumed>) = 6 [pid 5948] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] close(4 [pid 5943] <... chdir resumed>) = 0 [pid 5942] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... futex resumed>) = 1 [pid 5947] <... close resumed>) = 0 [pid 5943] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5939] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5938] <... futex resumed>) = 0 [pid 5949] <... futex resumed>) = 1 [pid 5948] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] <... futex resumed>) = 0 [pid 5943] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5938] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... futex resumed>) = 0 [pid 5949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5944] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = 1 [pid 5942] <... futex resumed>) = 1 [pid 5941] <... futex resumed>) = 0 [pid 5940] <... futex resumed>) = 0 [pid 5939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5938] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5949] fdatasync(6 [pid 5947] mkdir("./file0", 0777 [pid 5944] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5941] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] fdatasync(6 [pid 5949] <... fdatasync resumed>) = 0 [pid 5947] <... mkdir resumed>) = 0 [pid 5943] <... openat resumed>) = 4 [pid 5942] pwrite64(5, "2", 1, 134220897 [pid 5941] <... futex resumed>) = 0 [pid 5940] <... futex resumed>) = 0 [pid 5939] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5949] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 5943] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... pwrite64 resumed>) = 1 [pid 5941] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... futex resumed>) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = 0 [pid 5942] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5939] <... futex resumed>) = 1 [pid 5938] <... futex resumed>) = 0 [pid 5949] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5942] <... futex resumed>) = 1 [pid 5941] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... futex resumed>) = 0 [pid 5939] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5938] exit_group(0 [pid 5948] <... futex resumed>) = ? [pid 5943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5942] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5941] <... futex resumed>) = 0 [pid 5940] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... futex resumed>) = ? [pid 5938] <... exit_group resumed>) = ? [ 215.215833][ T5947] loop1: detected capacity change from 0 to 2048 [pid 5948] +++ exited with 0 +++ [pid 5943] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5941] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] <... futex resumed>) = 0 [pid 5939] +++ exited with 0 +++ [pid 5940] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] <... openat resumed>) = 5 [pid 5942] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5945] <... write resumed>) = 843776 [pid 5943] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5941] <... futex resumed>) = 0 [pid 5943] pwrite64(5, "2", 1, 134220897 [pid 5941] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... futex resumed>) = 0 [pid 5941] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] <... futex resumed>) = 0 [pid 5943] <... pwrite64 resumed>) = 1 [pid 5938] +++ exited with 0 +++ [pid 5944] exit_group(0 [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5938, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5943] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] +++ exited with 0 +++ [pid 5944] <... exit_group resumed>) = ? [pid 5941] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = 1 [pid 5941] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... futex resumed>) = ? [pid 5941] <... futex resumed>) = 0 [pid 5943] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5941] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 215.258908][ T5938] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 215.287826][ T5947] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [pid 5857] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5949] +++ exited with 0 +++ [pid 5944] +++ exited with 0 +++ [pid 5940] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5940] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5940] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5940] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5944, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5940] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] restart_syscall(<... resuming interrupted clone ...> [pid 5940] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] <... restart_syscall resumed>) = 0 [pid 5940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[5950]}, 88) = 5950 [pid 5859] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5940] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5940] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5950 attached [pid 5940] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5940] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5950] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 5950] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 5950] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5950] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5950] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5940] <... futex resumed>) = 0 [pid 5940] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5940] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5950] fdatasync(6) = 0 [pid 5950] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... futex resumed>) = 0 [pid 5950] <... futex resumed>) = 1 [pid 5950] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5857] newfstatat(3, "", [pid 5859] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5857] getdents64(3, [pid 5859] newfstatat(3, "", [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] getdents64(3, [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5947] <... mount resumed>) = 0 [pid 5941] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5859] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] unlink("./5/binderfs" [pid 5941] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5947] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5857] <... unlink resumed>) = 0 [pid 5941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5857] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5941] <... mmap resumed>) = 0x7f708f746000 [pid 5947] <... openat resumed>) = 3 [pid 5941] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5947] chdir("./file0") = 0 [pid 5947] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5942] <... write resumed>) = 843776 [pid 5941] <... mprotect resumed>) = 0 [pid 5859] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5947] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5942] <... futex resumed>) = 0 [pid 5941] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] unlink("./5/binderfs" [pid 5942] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5941] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5859] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5951 attached [pid 5947] <... futex resumed>) = 1 [pid 5946] <... futex resumed>) = 0 [pid 5859] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5947] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5946] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... clone3 resumed> => {parent_tid=[5951]}, 88) = 5951 [pid 5940] exit_group(0 [pid 5951] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5950] <... futex resumed>) = ? [pid 5947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5946] <... futex resumed>) = 0 [pid 5942] <... futex resumed>) = ? [pid 5941] rt_sigprocmask(SIG_SETMASK, [], [pid 5940] <... exit_group resumed>) = ? [pid 5951] <... rseq resumed>) = 0 [pid 5950] +++ exited with 0 +++ [pid 5947] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5946] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] +++ exited with 0 +++ [pid 5941] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 215.300934][ T5949] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 215.312364][ T5947] UDF-fs: Scanning with blocksize 512 failed [ 215.332860][ T5947] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5941] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5941] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] <... write resumed>) = 843776 [pid 5951] set_robust_list(0x7f708f7669a0, 24 [pid 5943] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5951] <... set_robust_list resumed>) = 0 [pid 5947] <... openat resumed>) = 4 [pid 5951] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5947] <... futex resumed>) = 1 [pid 5946] <... futex resumed>) = 0 [pid 5943] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] +++ exited with 0 +++ [pid 5951] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5947] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5946] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... openat resumed>) = 6 [pid 5947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5946] <... futex resumed>) = 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5940, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5951] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5946] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5951] <... futex resumed>) = 1 [pid 5947] <... openat resumed>) = 5 [pid 5951] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5946] <... futex resumed>) = 0 [pid 5947] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5946] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5946] <... futex resumed>) = 0 [pid 5947] pwrite64(5, "2", 1, 134220897 [pid 5946] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] <... pwrite64 resumed>) = 1 [pid 5947] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5946] <... futex resumed>) = 0 [pid 5947] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5946] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5946] <... futex resumed>) = 0 [ 215.373340][ T5940] UDF-fs: warning (device loop0): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 215.399548][ T5940] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5947] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5946] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5941] <... futex resumed>) = 0 [pid 5855] <... restart_syscall resumed>) = 0 [pid 5855] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./5/binderfs") = 0 [pid 5855] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5941] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... futex resumed>) = 0 [pid 5941] <... futex resumed>) = 1 [pid 5941] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] fdatasync(6) = -1 EIO (Input/output error) [pid 5943] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5941] <... futex resumed>) = 0 [ 215.402347][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 215.429790][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5943] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5941] exit_group(0 [pid 5951] <... futex resumed>) = ? [pid 5941] <... exit_group resumed>) = ? [pid 5951] +++ exited with 0 +++ [pid 5943] <... futex resumed>) = ? [pid 5946] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5946] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5946] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5946] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5859] <... umount2 resumed>) = 0 [pid 5946] <... clone3 resumed> => {parent_tid=[5952]}, 88) = 5952 [pid 5946] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5946] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5946] <... futex resumed>) = 0 [pid 5943] +++ exited with 0 +++ [pid 5941] +++ exited with 0 +++ [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5946] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] newfstatat(AT_FDCWD, "./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5941, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5859] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5947] <... write resumed>) = 843776 [pid 5859] <... openat resumed>) = 4 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5952 attached [pid 5947] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] newfstatat(4, "", [pid 5858] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5947] <... futex resumed>) = 0 [pid 5859] getdents64(4, [pid 5858] <... openat resumed>) = 3 [pid 5857] <... umount2 resumed>) = 0 [pid 5947] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5858] newfstatat(3, "", [pid 5859] getdents64(4, [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] getdents64(3, [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] close(4 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] <... close resumed>) = 0 [pid 5858] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] newfstatat(AT_FDCWD, "./5/file0", [pid 5859] rmdir("./5/file0" [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] <... rmdir resumed>) = 0 [pid 5858] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5859] getdents64(3, [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] unlink("./5/binderfs" [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] close(3 [pid 5858] <... unlink resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5858] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] rmdir("./5") = 0 [pid 5857] <... openat resumed>) = 4 [pid 5857] newfstatat(4, "", [pid 5952] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5859] mkdir("./6", 0777 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] close(4) = 0 [pid 5857] rmdir("./5/file0" [pid 5952] <... rseq resumed>) = 0 [pid 5859] <... mkdir resumed>) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 5952] set_robust_list(0x7f708f7669a0, 24 [pid 5857] getdents64(3, [pid 5952] <... set_robust_list resumed>) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5952] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] close(3 [pid 5952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] <... close resumed>) = 0 [pid 5952] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5857] rmdir("./5" [pid 5952] <... openat resumed>) = 6 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5857] <... rmdir resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5859] ioctl(3, LOOP_CLR_FD [pid 5857] mkdir("./6", 0777 [pid 5952] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... ioctl resumed>) = 0 [pid 5857] <... mkdir resumed>) = 0 [pid 5952] <... futex resumed>) = 1 [pid 5946] <... futex resumed>) = 0 [pid 5859] close(3 [pid 5946] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] <... futex resumed>) = 0 [pid 5946] <... futex resumed>) = 1 [pid 5859] <... close resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5855] <... umount2 resumed>) = 0 [pid 5947] fdatasync(6 [pid 5946] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5855] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] close(4) = 0 [pid 5947] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] <... openat resumed>) = 3 [pid 5855] rmdir("./5/file0" [pid 5947] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] ioctl(3, LOOP_CLR_FD [pid 5947] <... futex resumed>) = 1 [pid 5946] <... futex resumed>) = 0 [ 215.469195][ T5943] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 215.499998][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 5855] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5953 attached [pid 5947] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5946] exit_group(0 [pid 5857] <... ioctl resumed>) = 0 [pid 5952] <... futex resumed>) = ? [pid 5947] <... futex resumed>) = ? [pid 5946] <... exit_group resumed>) = ? [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 5953 [pid 5857] close(3 [pid 5952] +++ exited with 0 +++ [pid 5953] set_robust_list(0x55559362e6a0, 24 [pid 5855] getdents64(3, [pid 5953] <... set_robust_list resumed>) = 0 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5953] chdir("./6" [pid 5855] close(3 [pid 5953] <... chdir resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 5953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] rmdir("./5") = 0 [pid 5953] <... prctl resumed>) = 0 [pid 5953] setpgid(0, 0) = 0 [pid 5953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5947] +++ exited with 0 +++ [pid 5946] +++ exited with 0 +++ [pid 5857] <... close resumed>) = 0 [pid 5855] mkdir("./6", 0777 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5946, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5856] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./5/binderfs") = 0 [pid 5856] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5954 attached [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 5954 [pid 5954] set_robust_list(0x55559362e6a0, 24) = 0 [pid 5953] <... openat resumed>) = 3 [pid 5953] write(3, "1000", 4) = 4 [pid 5953] close(3 [pid 5954] chdir("./6") = 0 [pid 5953] <... close resumed>) = 0 [pid 5954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5954] setpgid(0, 0 [pid 5953] symlink("/dev/binderfs", "./binderfs" [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWRexecuting program [pid 5954] <... setpgid resumed>) = 0 [pid 5954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5953] <... symlink resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 5954] <... openat resumed>) = 3 [pid 5855] <... ioctl resumed>) = 0 [pid 5953] write(1, "executing program\n", 18 [pid 5855] close(3 [pid 5953] <... write resumed>) = 18 [ 215.560197][ T5947] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 215.573805][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5855] <... close resumed>) = 0 [pid 5954] write(3, "1000", 4 [pid 5953] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... umount2 resumed>) = 0 [pid 5954] <... write resumed>) = 4 [pid 5954] close(3 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5954] <... close resumed>) = 0 [pid 5954] symlink("/dev/binderfs", "./binderfs" [pid 5858] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 5954] <... symlink resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5954] write(1, "executing program\n", 18 [pid 5858] newfstatat(AT_FDCWD, "./5/file0", [pid 5954] <... write resumed>) = 18 [pid 5953] <... futex resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5954] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5954] <... futex resumed>) = 0 [pid 5953] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 5955 [pid 5953] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5954] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5954] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5858] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5955 attached [pid 5954] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5858] <... openat resumed>) = 4 [pid 5954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5953] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5858] newfstatat(4, "", [pid 5955] set_robust_list(0x55559362e6a0, 24 [pid 5954] <... mmap resumed>) = 0x7f708f767000 [pid 5955] <... set_robust_list resumed>) = 0 [pid 5954] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5954] <... mprotect resumed>) = 0 [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] getdents64(4, [pid 5953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5954] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5953] <... mmap resumed>) = 0x7f708f767000 [pid 5954] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5954] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5953] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 5956 attached [pid 5858] getdents64(4, [pid 5954] <... clone3 resumed> => {parent_tid=[5956]}, 88) = 5956 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5954] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] close(4 [pid 5956] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] chdir("./6" [pid 5953] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] <... close resumed>) = 0 [pid 5953] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5953] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 5957 attached [pid 5957] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5953] <... clone3 resumed> => {parent_tid=[5957]}, 88) = 5957 [pid 5957] <... rseq resumed>) = 0 [pid 5953] rt_sigprocmask(SIG_SETMASK, [], [pid 5957] set_robust_list(0x7f708f7879a0, 24 [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5957] <... set_robust_list resumed>) = 0 [pid 5956] <... rseq resumed>) = 0 [pid 5955] <... chdir resumed>) = 0 [pid 5954] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] rmdir("./5/file0" [pid 5957] rt_sigprocmask(SIG_SETMASK, [], [pid 5953] <... futex resumed>) = 0 [pid 5957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5953] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5957] memfd_create("syzkaller", 0 [pid 5858] <... rmdir resumed>) = 0 [pid 5955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5957] <... memfd_create resumed>) = 3 [pid 5957] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5956] set_robust_list(0x7f708f7879a0, 24 [pid 5955] <... prctl resumed>) = 0 [pid 5954] <... futex resumed>) = 0 [pid 5858] getdents64(3, [pid 5956] <... set_robust_list resumed>) = 0 [pid 5955] setpgid(0, 0 [pid 5956] rt_sigprocmask(SIG_SETMASK, [], [pid 5954] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] <... setpgid resumed>) = 0 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5956] memfd_create("syzkaller", 0 [pid 5858] close(3 [pid 5956] <... memfd_create resumed>) = 3 [pid 5955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] <... close resumed>) = 0 [pid 5856] <... umount2 resumed>) = 0 [pid 5956] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5955] <... openat resumed>) = 3 [pid 5858] rmdir("./5" [pid 5856] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./5/file0", [pid 5858] <... rmdir resumed>) = 0 [pid 5956] <... mmap resumed>) = 0x7f7087200000 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5856] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5955] write(3, "1000", 4) = 4 [pid 5856] close(4) = 0 [pid 5856] rmdir("./5/file0") = 0 [pid 5858] mkdir("./6", 0777 [pid 5955] close(3 [pid 5957] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5955] <... close resumed>) = 0 [pid 5858] <... mkdir resumed>) = 0 [pid 5856] getdents64(3, [pid 5955] symlink("/dev/binderfs", "./binderfs" [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [ 215.639115][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5856] close(3) = 0 [pid 5957] <... write resumed>) = 1048576 [pid 5956] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5955] <... symlink resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5856] rmdir("./5" [pid 5957] munmap(0x7f7087200000, 138412032 [pid 5955] write(1, "executing program\n", 18 [pid 5858] <... openat resumed>) = 3 [pid 5856] <... rmdir resumed>) = 0 [pid 5957] <... munmap resumed>) = 0 [pid 5858] ioctl(3, LOOP_CLR_FDexecuting program ) = 0 [pid 5858] close(3 [pid 5856] mkdir("./6", 0777 [pid 5957] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5956] <... write resumed>) = 1048576 [pid 5955] <... write resumed>) = 18 [pid 5858] <... close resumed>) = 0 [pid 5856] <... mkdir resumed>) = 0 [pid 5957] <... openat resumed>) = 4 [pid 5956] munmap(0x7f7087200000, 138412032 [pid 5955] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5957] ioctl(4, LOOP_SET_FD, 3 [pid 5956] <... munmap resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5955] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5856] ioctl(3, LOOP_CLR_FD [pid 5955] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5856] <... ioctl resumed>) = 0 [pid 5956] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5955] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5856] close(3 [pid 5956] <... openat resumed>) = 4 [pid 5955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... close resumed>) = 0 ./strace-static-x86_64: Process 5958 attached [pid 5957] <... ioctl resumed>) = 0 [pid 5956] ioctl(4, LOOP_SET_FD, 3 [pid 5955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5958] set_robust_list(0x55559362e6a0, 24 [pid 5956] <... ioctl resumed>) = 0 [pid 5955] <... mmap resumed>) = 0x7f708f767000 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 5958 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5958] <... set_robust_list resumed>) = 0 [pid 5957] close(3 [pid 5955] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5958] chdir("./6" [pid 5957] <... close resumed>) = 0 [pid 5955] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5957] close(4 [pid 5955] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5955] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 5959 attached [pid 5958] <... chdir resumed>) = 0 [pid 5957] <... close resumed>) = 0 [pid 5958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5957] mkdir("./file0", 0777 [pid 5955] <... clone3 resumed> => {parent_tid=[5960]}, 88) = 5960 [pid 5958] <... prctl resumed>) = 0 [pid 5957] <... mkdir resumed>) = 0 [pid 5955] rt_sigprocmask(SIG_SETMASK, [], [pid 5958] setpgid(0, 0 [pid 5955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5958] <... setpgid resumed>) = 0 [pid 5955] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5955] <... futex resumed>) = 0 [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 5959 ./strace-static-x86_64: Process 5960 attached [pid 5959] set_robust_list(0x55559362e6a0, 24 [pid 5957] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 5955] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5959] <... set_robust_list resumed>) = 0 [pid 5958] <... openat resumed>) = 3 [pid 5959] chdir("./6" [pid 5960] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5958] write(3, "1000", 4 [pid 5960] <... rseq resumed>) = 0 [pid 5958] <... write resumed>) = 4 [pid 5960] set_robust_list(0x7f708f7879a0, 24 [pid 5959] <... chdir resumed>) = 0 [pid 5958] close(3 [pid 5960] <... set_robust_list resumed>) = 0 [pid 5958] <... close resumed>) = 0 [pid 5956] close(3 [pid 5960] rt_sigprocmask(SIG_SETMASK, [], [pid 5959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5958] symlink("/dev/binderfs", "./binderfs" [pid 5956] <... close resumed>) = 0 [pid 5960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5959] <... prctl resumed>) = 0 [pid 5958] <... symlink resumed>) = 0 executing program [pid 5956] close(4 [pid 5960] memfd_create("syzkaller", 0 [pid 5958] write(1, "executing program\n", 18 [pid 5960] <... memfd_create resumed>) = 3 [pid 5959] setpgid(0, 0 [pid 5958] <... write resumed>) = 18 [pid 5956] <... close resumed>) = 0 [pid 5960] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5959] <... setpgid resumed>) = 0 [pid 5958] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] mkdir("./file0", 0777 [pid 5960] <... mmap resumed>) = 0x7f7087200000 [pid 5959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5958] <... futex resumed>) = 0 [pid 5958] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [ 215.726334][ T5957] loop4: detected capacity change from 0 to 2048 [ 215.754731][ T5956] loop2: detected capacity change from 0 to 2048 [pid 5959] <... openat resumed>) = 3 [pid 5958] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5956] <... mkdir resumed>) = 0 [pid 5959] write(3, "1000", 4 [pid 5956] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 5959] <... write resumed>) = 4 [pid 5959] close(3) = 0 [pid 5959] symlink("/dev/binderfs", "./binderfs" [pid 5958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 5958] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5960] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5959] <... symlink resumed>) = 0 [pid 5958] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}executing program [pid 5959] write(1, "executing program\n", 18 [pid 5958] <... clone3 resumed> => {parent_tid=[5961]}, 88) = 5961 [pid 5959] <... write resumed>) = 18 ./strace-static-x86_64: Process 5961 attached [pid 5959] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5961] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5959] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 5959] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5961] <... rseq resumed>) = 0 [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5961] set_robust_list(0x7f708f7879a0, 24 [pid 5959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5961] <... set_robust_list resumed>) = 0 [pid 5959] <... mmap resumed>) = 0x7f708f767000 [pid 5958] rt_sigprocmask(SIG_SETMASK, [], [pid 5959] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5961] rt_sigprocmask(SIG_SETMASK, [], [pid 5958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5958] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] memfd_create("syzkaller", 0 [pid 5958] <... futex resumed>) = 0 [pid 5961] <... memfd_create resumed>) = 3 [pid 5958] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5961] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5959] <... mprotect resumed>) = 0 [pid 5959] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5961] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5959] <... rt_sigprocmask resumed>[], 8) = 0 [ 215.788959][ T5957] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 215.807365][ T5956] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 215.826849][ T5957] UDF-fs: Scanning with blocksize 512 failed [pid 5959] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 5962 attached => {parent_tid=[5962]}, 88) = 5962 [pid 5959] rt_sigprocmask(SIG_SETMASK, [], [pid 5962] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5960] <... write resumed>) = 1048576 [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5962] <... rseq resumed>) = 0 [pid 5959] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] set_robust_list(0x7f708f7879a0, 24 [pid 5960] munmap(0x7f7087200000, 138412032 [pid 5959] <... futex resumed>) = 0 [pid 5959] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5960] <... munmap resumed>) = 0 [pid 5962] <... set_robust_list resumed>) = 0 [pid 5960] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5962] rt_sigprocmask(SIG_SETMASK, [], [pid 5960] <... openat resumed>) = 4 [pid 5962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5961] <... write resumed>) = 1048576 [pid 5960] ioctl(4, LOOP_SET_FD, 3 [pid 5962] memfd_create("syzkaller", 0) = 3 [pid 5961] munmap(0x7f7087200000, 138412032 [pid 5960] <... ioctl resumed>) = 0 [pid 5962] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5961] <... munmap resumed>) = 0 [pid 5960] close(3 [pid 5957] <... mount resumed>) = 0 [pid 5957] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5957] chdir("./file0") = 0 [pid 5960] <... close resumed>) = 0 [pid 5957] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5960] close(4 [pid 5957] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5957] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5953] <... futex resumed>) = 0 [pid 5953] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5953] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 5957] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... futex resumed>) = 0 [pid 5953] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5953] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] <... futex resumed>) = 1 [pid 5957] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 5957] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... futex resumed>) = 0 [pid 5953] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5960] <... close resumed>) = 0 [pid 5953] <... futex resumed>) = 0 [pid 5953] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] <... futex resumed>) = 1 [pid 5957] pwrite64(5, "2", 1, 134220897) = 1 [pid 5957] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5953] <... futex resumed>) = 0 [pid 5957] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5953] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5960] mkdir("./file0", 0777 [pid 5953] <... futex resumed>) = 0 [pid 5961] <... openat resumed>) = 4 [pid 5953] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5961] ioctl(4, LOOP_SET_FD, 3 [pid 5960] <... mkdir resumed>) = 0 [ 215.840912][ T5956] UDF-fs: Scanning with blocksize 512 failed [ 215.861930][ T5957] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 215.868196][ T5960] loop0: detected capacity change from 0 to 2048 [ 215.877846][ T5956] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5961] <... ioctl resumed>) = 0 [pid 5962] <... write resumed>) = 1048576 [pid 5960] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 5956] <... mount resumed>) = 0 [pid 5961] close(3 [pid 5956] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5956] chdir("./file0" [pid 5961] <... close resumed>) = 0 [pid 5956] <... chdir resumed>) = 0 [pid 5956] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5956] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] close(4 [pid 5956] <... futex resumed>) = 1 [pid 5954] <... futex resumed>) = 0 [pid 5956] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] <... close resumed>) = 0 [pid 5954] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] mkdir("./file0", 0777 [pid 5956] <... futex resumed>) = 0 [pid 5954] <... futex resumed>) = 1 [pid 5956] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 5956] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5956] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5954] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] <... mkdir resumed>) = 0 [pid 5956] <... futex resumed>) = 0 [pid 5954] <... futex resumed>) = 1 [pid 5956] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5954] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5962] munmap(0x7f7087200000, 138412032 [pid 5961] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 5956] <... openat resumed>) = 5 [pid 5956] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5954] <... futex resumed>) = 0 [pid 5956] pwrite64(5, "2", 1, 134220897 [pid 5954] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... munmap resumed>) = 0 [pid 5956] <... pwrite64 resumed>) = 1 [pid 5954] <... futex resumed>) = 0 [pid 5956] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] <... futex resumed>) = 0 [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5956] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5954] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5962] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5954] <... futex resumed>) = 0 [pid 5953] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5962] <... openat resumed>) = 4 [pid 5954] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5953] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5962] ioctl(4, LOOP_SET_FD, 3 [pid 5953] <... mmap resumed>) = 0x7f708f746000 [ 215.912063][ T5961] loop3: detected capacity change from 0 to 2048 [pid 5953] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5953] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5953] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 5963 attached => {parent_tid=[5963]}, 88) = 5963 [pid 5953] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5953] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5953] <... futex resumed>) = 0 [pid 5963] <... rseq resumed>) = 0 [pid 5953] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5963] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 5963] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5963] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5963] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5953] <... futex resumed>) = 0 [pid 5953] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5953] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5963] fdatasync(6) = 0 [pid 5963] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5953] <... futex resumed>) = 0 [pid 5963] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] <... ioctl resumed>) = 0 [pid 5962] close(3) = 0 [pid 5962] close(4) = 0 [pid 5962] mkdir("./file0", 0777) = 0 [pid 5962] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 5954] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5954] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5954] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5954] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5954] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 5964 attached => {parent_tid=[5964]}, 88) = 5964 [pid 5964] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5954] rt_sigprocmask(SIG_SETMASK, [], [pid 5964] <... rseq resumed>) = 0 [pid 5954] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 215.964807][ T5962] loop1: detected capacity change from 0 to 2048 [ 215.974963][ T5960] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 215.985931][ T5960] UDF-fs: Scanning with blocksize 512 failed [ 216.005926][ T5961] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [pid 5964] set_robust_list(0x7f708f7669a0, 24 [pid 5954] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... set_robust_list resumed>) = 0 [pid 5957] <... write resumed>) = 843776 [pid 5954] <... futex resumed>) = 0 [pid 5964] rt_sigprocmask(SIG_SETMASK, [], [pid 5954] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5957] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5964] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5957] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5964] <... openat resumed>) = 6 [pid 5964] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] exit_group(0 [pid 5964] <... futex resumed>) = 1 [pid 5957] <... futex resumed>) = ? [pid 5954] <... futex resumed>) = 0 [pid 5953] <... exit_group resumed>) = ? [pid 5957] +++ exited with 0 +++ [pid 5954] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... futex resumed>) = ? [pid 5954] <... futex resumed>) = 0 [pid 5964] fdatasync(6 [pid 5954] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5964] <... fdatasync resumed>) = 0 [pid 5964] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5964] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] <... futex resumed>) = 0 [ 216.032811][ T5962] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 216.041003][ T5962] UDF-fs: Scanning with blocksize 512 failed [ 216.043319][ T5963] UDF-fs: warning (device loop4): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 216.052070][ T5961] UDF-fs: Scanning with blocksize 512 failed [pid 5956] <... write resumed>) = 843776 [pid 5963] +++ exited with 0 +++ [pid 5960] <... mount resumed>) = 0 [pid 5953] +++ exited with 0 +++ [pid 5960] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5953, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5859] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5956] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5956] <... futex resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [ 216.079087][ T5963] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 216.080615][ T5960] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 216.105422][ T5962] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 216.117732][ T5961] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5956] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] exit_group(0 [pid 5859] newfstatat(3, "", [pid 5964] <... futex resumed>) = ? [pid 5956] <... futex resumed>) = ? [pid 5954] <... exit_group resumed>) = ? [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5964] +++ exited with 0 +++ [pid 5962] <... mount resumed>) = 0 [pid 5961] <... mount resumed>) = 0 [pid 5960] <... openat resumed>) = 3 [pid 5859] getdents64(3, [pid 5962] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5961] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5960] chdir("./file0" [pid 5962] <... openat resumed>) = 3 [pid 5961] <... openat resumed>) = 3 [pid 5960] <... chdir resumed>) = 0 [pid 5962] chdir("./file0" [pid 5961] chdir("./file0" [pid 5960] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5962] <... chdir resumed>) = 0 [pid 5961] <... chdir resumed>) = 0 [pid 5960] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5962] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5961] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5960] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] unlink("./6/binderfs") = 0 [pid 5859] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5962] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5962] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5962] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5960] <... futex resumed>) = 1 [pid 5959] <... futex resumed>) = 0 [pid 5956] +++ exited with 0 +++ [pid 5955] <... futex resumed>) = 0 [pid 5954] +++ exited with 0 +++ [pid 5961] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5959] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... futex resumed>) = 0 [pid 5961] <... futex resumed>) = 1 [pid 5959] <... futex resumed>) = 1 [pid 5958] <... futex resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5954, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5962] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5961] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] <... openat resumed>) = 4 [pid 5959] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5962] <... openat resumed>) = 4 [pid 5961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... futex resumed>) = 0 [pid 5962] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5960] <... futex resumed>) = 1 [pid 5958] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... futex resumed>) = 0 [pid 5962] <... futex resumed>) = 1 [pid 5959] <... futex resumed>) = 0 [pid 5962] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5961] <... openat resumed>) = 4 [pid 5960] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5959] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5962] <... openat resumed>) = 5 [pid 5961] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... openat resumed>) = 5 [pid 5959] <... futex resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5962] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] <... futex resumed>) = 1 [pid 5960] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] <... futex resumed>) = 0 [pid 5955] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5962] <... futex resumed>) = 0 [ 216.118244][ T5956] UDF-fs: warning (device loop2): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 216.142753][ T5956] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 216.171619][ T62] bio_check_eod: 291 callbacks suppressed [pid 5962] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] <... futex resumed>) = 0 [pid 5959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5958] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] <... openat resumed>) = 3 [pid 5961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... futex resumed>) = 0 [pid 5955] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... futex resumed>) = 0 [pid 5961] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... futex resumed>) = 1 [pid 5958] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... futex resumed>) = 0 [pid 5857] newfstatat(3, "", [pid 5962] pwrite64(5, "2", 1, 134220897 [pid 5961] <... openat resumed>) = 5 [pid 5960] pwrite64(5, "2", 1, 134220897 [pid 5959] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5962] <... pwrite64 resumed>) = 1 [pid 5961] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... pwrite64 resumed>) = 1 [pid 5961] <... futex resumed>) = 1 [pid 5958] <... futex resumed>) = 0 [pid 5857] getdents64(3, [pid 5962] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] pwrite64(5, "2", 1, 134220897 [pid 5958] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... futex resumed>) = 1 [pid 5961] <... pwrite64 resumed>) = 1 [pid 5960] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] <... futex resumed>) = 0 [pid 5958] <... futex resumed>) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5962] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... futex resumed>) = 1 [pid 5959] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... futex resumed>) = 0 [pid 5857] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5962] <... futex resumed>) = 0 [pid 5961] <... futex resumed>) = 0 [pid 5960] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] <... futex resumed>) = 1 [pid 5958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5955] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5962] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5961] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = 0 [pid 5857] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./6/binderfs") = 0 [pid 5960] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5955] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5958] <... futex resumed>) = 0 [ 216.171639][ T62] kworker/u8:4: attempt to access beyond end of device [ 216.171639][ T62] loop4: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 216.191301][ T62] buffer_io_error: 287 callbacks suppressed [ 216.191319][ T62] Buffer I/O error on dev loop4, logical block 1024, lost async page write [ 216.206284][ T62] kworker/u8:4: attempt to access beyond end of device [ 216.206284][ T62] loop4: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 216.219903][ T62] Buffer I/O error on dev loop4, logical block 1024, lost async page write [pid 5958] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5955] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5959] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5958] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5958] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... futex resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5958] <... mmap resumed>) = 0x7f708f746000 [pid 5958] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5955] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5958] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [ 216.232148][ T62] kworker/u8:4: attempt to access beyond end of device [ 216.232148][ T62] loop4: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 216.258043][ T55] kworker/u8:3: attempt to access beyond end of device [ 216.258043][ T55] loop2: rw=1, sector=2048, nr_sectors = 2 limit=2048 [pid 5958] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5959] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 5965 attached [pid 5959] <... mprotect resumed>) = 0 [pid 5965] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5959] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5958] <... clone3 resumed> => {parent_tid=[5965]}, 88) = 5965 [pid 5955] <... mprotect resumed>) = 0 [pid 5965] <... rseq resumed>) = 0 [pid 5955] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5965] set_robust_list(0x7f708f7669a0, 24 [pid 5955] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5965] <... set_robust_list resumed>) = 0 [pid 5955] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5965] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5955] <... clone3 resumed> => {parent_tid=[5966]}, 88) = 5966 [pid 5965] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5955] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5955] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5961] <... write resumed>) = 843776 [pid 5958] rt_sigprocmask(SIG_SETMASK, [], [pid 5961] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5961] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] <... write resumed>) = 843776 [pid 5958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5959] <... rt_sigprocmask resumed>[], 8) = 0 [ 216.284086][ T55] Buffer I/O error on dev loop2, logical block 1024, lost async page write [ 216.292544][ T62] Buffer I/O error on dev loop4, logical block 1024, lost async page write [ 216.301381][ T62] kworker/u8:4: attempt to access beyond end of device [ 216.301381][ T62] loop4: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 216.302399][ T55] kworker/u8:3: attempt to access beyond end of device [ 216.302399][ T55] loop2: rw=1, sector=2048, nr_sectors = 2 limit=2048 ./strace-static-x86_64: Process 5966 attached [pid 5960] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5958] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... write resumed>) = 843776 [pid 5966] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5960] <... futex resumed>) = 0 [pid 5958] <... futex resumed>) = 1 [pid 5965] <... futex resumed>) = 0 [pid 5965] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5965] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5967 attached [pid 5965] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5962] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5962] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] <... rseq resumed>) = 0 [pid 5967] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 5967] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 216.337991][ T55] Buffer I/O error on dev loop2, logical block 1024, lost async page write [ 216.344682][ T62] Buffer I/O error on dev loop4, logical block 1024, lost async page write [ 216.347355][ T55] kworker/u8:3: attempt to access beyond end of device [ 216.347355][ T55] loop2: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 216.360116][ T62] kworker/u8:4: attempt to access beyond end of device [ 216.360116][ T62] loop4: rw=1, sector=2050, nr_sectors = 2 limit=2048 [pid 5967] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5966] <... rseq resumed>) = 0 [pid 5960] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] <... clone3 resumed> => {parent_tid=[5967]}, 88) = 5967 [pid 5958] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5955] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5955] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5966] set_robust_list(0x7f708f7669a0, 24 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] rt_sigprocmask(SIG_SETMASK, [], [pid 5966] <... set_robust_list resumed>) = 0 [pid 5960] fdatasync(-1 [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 216.369313][ T55] Buffer I/O error on dev loop2, logical block 1024, lost async page write [ 216.392053][ T55] kworker/u8:3: attempt to access beyond end of device [ 216.392053][ T55] loop2: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 216.405891][ T62] Buffer I/O error on dev loop4, logical block 1025, lost async page write [ 216.406149][ T55] Buffer I/O error on dev loop2, logical block 1024, lost async page write [ 216.415107][ T62] kworker/u8:4: attempt to access beyond end of device [ 216.415107][ T62] loop4: rw=1, sector=2050, nr_sectors = 2 limit=2048 [pid 5958] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] rt_sigprocmask(SIG_SETMASK, [], [pid 5961] <... futex resumed>) = 0 [pid 5960] <... fdatasync resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... futex resumed>) = 1 [pid 5961] fdatasync(6) = -1 EIO (Input/output error) [pid 5961] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5955] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5961] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5967] <... futex resumed>) = 0 [pid 5960] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] <... futex resumed>) = 1 [pid 5958] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5967] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5967] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5967] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] <... futex resumed>) = 0 [pid 5959] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5958] exit_group(0 [pid 5959] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5962] <... futex resumed>) = 0 [pid 5962] fdatasync(6) = -1 EIO (Input/output error) [pid 5962] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5962] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] exit_group(0 [pid 5967] <... futex resumed>) = ? [pid 5962] <... futex resumed>) = ? [pid 5959] <... exit_group resumed>) = ? [pid 5967] +++ exited with 0 +++ [pid 5962] +++ exited with 0 +++ [pid 5966] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5965] <... futex resumed>) = ? [pid 5961] <... futex resumed>) = ? [pid 5958] <... exit_group resumed>) = ? [pid 5965] +++ exited with 0 +++ [pid 5961] +++ exited with 0 +++ [ 216.423342][ T55] Buffer I/O error on dev loop2, logical block 1025, lost async page write [ 216.443485][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [ 216.448510][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 5966] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5955] exit_group(0 [pid 5960] <... futex resumed>) = ? [pid 5955] <... exit_group resumed>) = ? [pid 5857] <... umount2 resumed>) = 0 [pid 5857] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5966] +++ exited with 0 +++ [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./6/file0", [pid 5859] <... umount2 resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5958] +++ exited with 0 +++ [pid 5959] +++ exited with 0 +++ [pid 5960] +++ exited with 0 +++ [pid 5955] +++ exited with 0 +++ [pid 5859] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5958, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5955, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5859] newfstatat(AT_FDCWD, "./6/file0", [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 5857] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5959, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... openat resumed>) = 4 [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 5855] <... restart_syscall resumed>) = 0 [pid 5859] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] newfstatat(4, "", [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] getdents64(4, [pid 5855] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... openat resumed>) = 4 [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(4, "", [pid 5857] getdents64(4, [pid 5855] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5857] close(4 [pid 5855] newfstatat(3, "", [pid 5859] getdents64(4, [pid 5857] <... close resumed>) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] rmdir("./6/file0" [pid 5855] getdents64(3, [pid 5859] getdents64(4, [pid 5857] <... rmdir resumed>) = 0 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] getdents64(3, [pid 5855] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] close(4 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... close resumed>) = 0 [pid 5858] <... restart_syscall resumed>) = 0 [pid 5857] close(3 [pid 5856] <... restart_syscall resumed>) = 0 [pid 5855] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5859] rmdir("./6/file0" [pid 5857] <... close resumed>) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] <... rmdir resumed>) = 0 [pid 5857] rmdir("./6" [pid 5855] unlink("./6/binderfs" [pid 5858] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] <... rmdir resumed>) = 0 [pid 5856] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] mkdir("./7", 0777 [pid 5856] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] getdents64(3, [pid 5855] <... unlink resumed>) = 0 [pid 5858] getdents64(3, [pid 5856] <... openat resumed>) = 3 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] <... mkdir resumed>) = 0 [pid 5855] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] close(3 [pid 5858] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5856] newfstatat(3, "", [pid 5859] <... close resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5856] getdents64(3, [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./6/binderfs" [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5858] <... unlink resumed>) = 0 [pid 5858] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5859] rmdir("./6" [pid 5857] <... openat resumed>) = 3 [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 216.479083][ T5958] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 216.494281][ T5959] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 216.508335][ T5960] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5859] <... rmdir resumed>) = 0 [pid 5857] ioctl(3, LOOP_CLR_FD [pid 5856] unlink("./6/binderfs") = 0 [pid 5857] <... ioctl resumed>) = 0 [pid 5857] close(3 [pid 5856] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... close resumed>) = 0 [pid 5859] mkdir("./7", 0777) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5859] ioctl(3, LOOP_CLR_FD) = 0 [pid 5859] close(3 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55559362e690) = 5968 [pid 5858] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5968 attached [ 216.561299][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 216.569485][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5968] set_robust_list(0x55559362e6a0, 24) = 0 [pid 5859] <... close resumed>) = 0 [pid 5858] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5968] chdir("./7" [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5968] <... chdir resumed>) = 0 [pid 5858] newfstatat(AT_FDCWD, "./6/file0", [pid 5968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5968] setpgid(0, 0 [pid 5858] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5968] <... setpgid resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] <... openat resumed>) = 4 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] newfstatat(4, "", [pid 5968] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5969 attached [pid 5968] write(3, "1000", 4 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... umount2 resumed>) = 0 [pid 5969] set_robust_list(0x55559362e6a0, 24 [pid 5968] <... write resumed>) = 4 [pid 5858] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] close(4) = 0 [pid 5858] rmdir("./6/file0" [pid 5969] <... set_robust_list resumed>) = 0 [pid 5968] close(3 [pid 5858] <... rmdir resumed>) = 0 [pid 5855] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 5969 [pid 5969] chdir("./7" [pid 5968] <... close resumed>) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5969] <... chdir resumed>) = 0 [pid 5968] symlink("/dev/binderfs", "./binderfs" [pid 5855] newfstatat(AT_FDCWD, "./6/file0", [pid 5969] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 5968] <... symlink resumed>) = 0 [pid 5858] getdents64(3, [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5969] <... prctl resumed>) = 0 [pid 5968] write(1, "executing program\n", 18 [pid 5855] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5969] setpgid(0, 0 [pid 5968] <... write resumed>) = 18 [pid 5969] <... setpgid resumed>) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5968] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5968] <... futex resumed>) = 0 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5969] <... openat resumed>) = 3 [pid 5968] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5858] close(3 [pid 5855] <... openat resumed>) = 4 [pid 5969] write(3, "1000", 4 [pid 5968] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5858] <... close resumed>) = 0 [pid 5855] newfstatat(4, "", [ 216.636042][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5969] <... write resumed>) = 4 [pid 5968] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5858] rmdir("./6" [pid 5969] close(3 [pid 5968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... rmdir resumed>) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5969] <... close resumed>) = 0 [pid 5968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] mkdir("./7", 0777 [pid 5969] symlink("/dev/binderfs", "./binderfs" [pid 5968] <... mmap resumed>) = 0x7f708f767000 [pid 5858] <... mkdir resumed>) = 0 [pid 5855] getdents64(4, [pid 5969] <... symlink resumed>) = 0 [pid 5968] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWRexecuting program [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5969] write(1, "executing program\n", 18 [pid 5968] <... mprotect resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5969] <... write resumed>) = 18 [pid 5968] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] <... ioctl resumed>) = 0 [pid 5855] getdents64(4, [pid 5969] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5858] close(3 [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5969] <... futex resumed>) = 0 [pid 5968] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5856] <... umount2 resumed>) = 0 [pid 5855] close(4./strace-static-x86_64: Process 5970 attached ) = 0 [pid 5856] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5970] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5969] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5968] <... clone3 resumed> => {parent_tid=[5970]}, 88) = 5970 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] rmdir("./6/file0" [pid 5970] <... rseq resumed>) = 0 [pid 5969] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5968] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] newfstatat(AT_FDCWD, "./6/file0", [pid 5970] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 5970] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] <... rmdir resumed>) = 0 [pid 5970] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5968] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] getdents64(3, [pid 5970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5968] <... futex resumed>) = 0 [pid 5856] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5970] memfd_create("syzkaller", 0 [pid 5969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5968] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5970] <... memfd_create resumed>) = 3 [pid 5969] <... mmap resumed>) = 0x7f708f767000 [pid 5858] <... close resumed>) = 0 [pid 5856] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] close(3 [pid 5970] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5969] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5970] <... mmap resumed>) = 0x7f7087200000 [pid 5969] <... mprotect resumed>) = 0 [pid 5856] <... openat resumed>) = 4 [pid 5855] <... close resumed>) = 0 ./strace-static-x86_64: Process 5971 attached [pid 5969] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 5971 [pid 5855] rmdir("./6" [pid 5971] set_robust_list(0x55559362e6a0, 24 [pid 5856] newfstatat(4, "", [pid 5971] <... set_robust_list resumed>) = 0 [pid 5969] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] <... rmdir resumed>) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5971] chdir("./7" [pid 5969] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5856] getdents64(4, [pid 5855] mkdir("./7", 0777./strace-static-x86_64: Process 5972 attached [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] <... mkdir resumed>) = 0 [pid 5971] <... chdir resumed>) = 0 [pid 5969] <... clone3 resumed> => {parent_tid=[5972]}, 88) = 5972 [pid 5856] getdents64(4, [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5969] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5971] <... prctl resumed>) = 0 [pid 5969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] close(4 [pid 5855] <... openat resumed>) = 3 [pid 5971] setpgid(0, 0 [pid 5969] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... close resumed>) = 0 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 5972] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5971] <... setpgid resumed>) = 0 [pid 5970] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5969] <... futex resumed>) = 0 [pid 5856] rmdir("./6/file0" [pid 5972] <... rseq resumed>) = 0 [pid 5971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] <... ioctl resumed>) = 0 [pid 5972] set_robust_list(0x7f708f7879a0, 24 [pid 5969] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5856] <... rmdir resumed>) = 0 [pid 5972] <... set_robust_list resumed>) = 0 [pid 5972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5972] memfd_create("syzkaller", 0) = 3 [pid 5972] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5970] <... write resumed>) = 1048576 [pid 5856] getdents64(3, [pid 5855] close(3 [pid 5971] <... openat resumed>) = 3 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5971] write(3, "1000", 4) = 4 [pid 5856] close(3 [pid 5971] close(3 [pid 5856] <... close resumed>) = 0 [pid 5971] <... close resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 5856] rmdir("./6" [pid 5971] symlink("/dev/binderfs", "./binderfs" [pid 5970] munmap(0x7f7087200000, 138412032 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] <... rmdir resumed>) = 0 [pid 5971] <... symlink resumed>) = 0 executing program ./strace-static-x86_64: Process 5973 attached [pid 5971] write(1, "executing program\n", 18 [pid 5970] <... munmap resumed>) = 0 [pid 5856] mkdir("./7", 0777 [pid 5971] <... write resumed>) = 18 [pid 5970] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5973] set_robust_list(0x55559362e6a0, 24 [pid 5972] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5971] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... openat resumed>) = 4 [pid 5856] <... mkdir resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 5973 [pid 5973] <... set_robust_list resumed>) = 0 [pid 5971] <... futex resumed>) = 0 [pid 5970] ioctl(4, LOOP_SET_FD, 3 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5972] <... write resumed>) = 1048576 [pid 5973] chdir("./7" [pid 5971] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5970] <... ioctl resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5973] <... chdir resumed>) = 0 [pid 5972] munmap(0x7f7087200000, 138412032 [pid 5971] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5970] close(3 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 5973] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5972] <... munmap resumed>) = 0 [pid 5971] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5970] <... close resumed>) = 0 [pid 5856] <... ioctl resumed>) = 0 [pid 5973] <... prctl resumed>) = 0 [pid 5971] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5970] close(4 [pid 5856] close(3 [pid 5973] setpgid(0, 0 [pid 5972] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5970] <... close resumed>) = 0 [pid 5972] <... openat resumed>) = 4 [pid 5971] <... mmap resumed>) = 0x7f708f767000 [pid 5972] ioctl(4, LOOP_SET_FD, 3 [pid 5971] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5970] mkdir("./file0", 0777 [pid 5973] <... setpgid resumed>) = 0 [pid 5971] <... mprotect resumed>) = 0 [pid 5970] <... mkdir resumed>) = 0 [pid 5971] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5971] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5970] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 5972] <... ioctl resumed>) = 0 [pid 5973] <... openat resumed>) = 3 [pid 5971] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5856] <... close resumed>) = 0 [pid 5972] close(3./strace-static-x86_64: Process 5974 attached [pid 5973] write(3, "1000", 4 [pid 5972] <... close resumed>) = 0 [pid 5973] <... write resumed>) = 4 [pid 5974] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5973] close(3 [pid 5974] <... rseq resumed>) = 0 [pid 5971] <... clone3 resumed> => {parent_tid=[5974]}, 88) = 5974 [pid 5974] set_robust_list(0x7f708f7879a0, 24 [pid 5973] <... close resumed>) = 0 [pid 5972] close(4) = 0 [pid 5972] mkdir("./file0", 0777) = 0 [ 216.803472][ T5970] loop2: detected capacity change from 0 to 2048 [ 216.829267][ T5972] loop4: detected capacity change from 0 to 2048 [ 216.843920][ T5970] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [pid 5972] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 5974] <... set_robust_list resumed>) = 0 [pid 5973] symlink("/dev/binderfs", "./binderfs" [pid 5971] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5974] rt_sigprocmask(SIG_SETMASK, [], [pid 5973] <... symlink resumed>) = 0 [pid 5971] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5973] write(1, "executing program\n", 18 [pid 5971] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000executing program ./strace-static-x86_64: Process 5975 attached [pid 5974] memfd_create("syzkaller", 0 [pid 5973] <... write resumed>) = 18 [pid 5971] <... futex resumed>) = 0 [pid 5973] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5973] <... futex resumed>) = 0 [pid 5973] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 5975] set_robust_list(0x55559362e6a0, 24 [pid 5973] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 5975 [pid 5973] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] <... set_robust_list resumed>) = 0 [pid 5974] <... memfd_create resumed>) = 3 [pid 5973] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5975] chdir("./7" [pid 5973] <... mmap resumed>) = 0x7f708f767000 [pid 5975] <... chdir resumed>) = 0 [pid 5973] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5973] <... mprotect resumed>) = 0 [pid 5975] <... prctl resumed>) = 0 [pid 5973] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5975] setpgid(0, 0 [pid 5974] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5973] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5975] <... setpgid resumed>) = 0 [pid 5975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5973] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5975] <... openat resumed>) = 3 [pid 5974] <... mmap resumed>) = 0x7f7087200000 ./strace-static-x86_64: Process 5976 attached [pid 5973] <... clone3 resumed> => {parent_tid=[5976]}, 88) = 5976 [ 216.861701][ T5970] UDF-fs: Scanning with blocksize 512 failed [ 216.871634][ T5972] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [pid 5976] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5974] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5973] rt_sigprocmask(SIG_SETMASK, [], [pid 5976] <... rseq resumed>) = 0 [pid 5975] write(3, "1000", 4 [pid 5973] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5970] <... mount resumed>) = 0 [pid 5975] <... write resumed>) = 4 [pid 5970] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5976] set_robust_list(0x7f708f7879a0, 24 [pid 5975] close(3 [pid 5973] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... openat resumed>) = 3 [pid 5976] <... set_robust_list resumed>) = 0 [pid 5975] <... close resumed>) = 0 [pid 5970] chdir("./file0" [pid 5973] <... futex resumed>) = 0 [pid 5976] rt_sigprocmask(SIG_SETMASK, [], [pid 5975] symlink("/dev/binderfs", "./binderfs" [pid 5973] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5970] <... chdir resumed>) = 0 [pid 5976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] <... symlink resumed>) = 0 [pid 5970] openat(AT_FDCWD, "/dev/loop2", O_RDWRexecuting program [pid 5976] memfd_create("syzkaller", 0 [pid 5975] write(1, "executing program\n", 18 [pid 5970] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5976] <... memfd_create resumed>) = 3 [pid 5975] <... write resumed>) = 18 [pid 5970] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5975] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... futex resumed>) = 1 [pid 5968] <... futex resumed>) = 0 [pid 5976] <... mmap resumed>) = 0x7f7087200000 [pid 5975] <... futex resumed>) = 0 [pid 5970] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] <... futex resumed>) = 0 [pid 5975] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5970] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5968] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5975] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5970] <... openat resumed>) = 4 [pid 5975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5970] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5970] <... futex resumed>) = 1 [pid 5968] <... futex resumed>) = 0 [pid 5976] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5975] <... mmap resumed>) = 0x7f708f767000 [pid 5970] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... write resumed>) = 1048576 [pid 5975] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5974] <... write resumed>) = 1048576 [pid 5968] <... futex resumed>) = 0 [pid 5976] munmap(0x7f7087200000, 138412032 [pid 5975] <... mprotect resumed>) = 0 [pid 5974] munmap(0x7f7087200000, 138412032 [pid 5970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] <... munmap resumed>) = 0 [pid 5975] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 5977 attached [pid 5970] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5977] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5975] <... clone3 resumed> => {parent_tid=[5977]}, 88) = 5977 [pid 5977] <... rseq resumed>) = 0 [pid 5975] rt_sigprocmask(SIG_SETMASK, [], [pid 5972] <... mount resumed>) = 0 [pid 5970] <... openat resumed>) = 5 [pid 5977] set_robust_list(0x7f708f7879a0, 24 [pid 5975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5974] <... munmap resumed>) = 0 [pid 5972] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5970] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] <... set_robust_list resumed>) = 0 [pid 5976] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5975] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] rt_sigprocmask(SIG_SETMASK, [], [pid 5976] <... openat resumed>) = 4 [pid 5975] <... futex resumed>) = 0 [pid 5974] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5972] <... openat resumed>) = 3 [pid 5970] <... futex resumed>) = 1 [pid 5968] <... futex resumed>) = 0 [pid 5977] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5976] ioctl(4, LOOP_SET_FD, 3 [pid 5975] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5974] <... openat resumed>) = 4 [pid 5972] chdir("./file0" [ 216.902618][ T5970] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 216.913020][ T5972] UDF-fs: Scanning with blocksize 512 failed [ 216.940168][ T5972] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5970] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] memfd_create("syzkaller", 0 [pid 5974] ioctl(4, LOOP_SET_FD, 3 [pid 5972] <... chdir resumed>) = 0 [pid 5970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] <... futex resumed>) = 0 [pid 5968] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5970] pwrite64(5, "2", 1, 134220897 [pid 5972] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5970] <... pwrite64 resumed>) = 1 [pid 5972] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5972] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5969] <... futex resumed>) = 0 [pid 5970] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5970] <... futex resumed>) = 1 [pid 5969] <... futex resumed>) = 0 [pid 5968] <... futex resumed>) = 0 [pid 5969] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5968] <... futex resumed>) = 0 [pid 5968] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5972] <... openat resumed>) = 4 [pid 5977] <... memfd_create resumed>) = 3 [pid 5976] <... ioctl resumed>) = 0 [pid 5974] <... ioctl resumed>) = 0 [pid 5972] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5976] close(3 [pid 5974] close(3 [pid 5977] <... mmap resumed>) = 0x7f7087200000 [pid 5976] <... close resumed>) = 0 [pid 5974] <... close resumed>) = 0 [pid 5972] <... futex resumed>) = 1 [pid 5969] <... futex resumed>) = 0 [pid 5972] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5969] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] <... openat resumed>) = 5 [pid 5969] <... futex resumed>) = 0 [pid 5969] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5972] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5969] <... futex resumed>) = 0 [pid 5972] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] <... futex resumed>) = 0 [pid 5969] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5972] pwrite64(5, "2", 1, 134220897) = 1 [pid 5972] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] close(4 [pid 5974] close(4 [pid 5977] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5976] <... close resumed>) = 0 [pid 5974] <... close resumed>) = 0 [pid 5974] mkdir("./file0", 0777 [pid 5972] <... futex resumed>) = 1 [ 216.969833][ T5976] loop0: detected capacity change from 0 to 2048 [ 216.976744][ T5974] loop3: detected capacity change from 0 to 2048 [pid 5977] <... write resumed>) = 1048576 [pid 5976] mkdir("./file0", 0777 [pid 5974] <... mkdir resumed>) = 0 [pid 5972] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] <... futex resumed>) = 0 [pid 5969] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] <... futex resumed>) = 0 [pid 5972] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5969] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] <... mkdir resumed>) = 0 [pid 5974] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 5968] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5968] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5968] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5968] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5968] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5977] munmap(0x7f7087200000, 138412032 [pid 5976] mount("/dev/loop0", "./file0", "udf", 0, ""./strace-static-x86_64: Process 5978 attached [pid 5978] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5968] <... clone3 resumed> => {parent_tid=[5978]}, 88) = 5978 [pid 5978] <... rseq resumed>) = 0 [pid 5968] rt_sigprocmask(SIG_SETMASK, [], [pid 5978] set_robust_list(0x7f708f7669a0, 24 [pid 5968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5978] <... set_robust_list resumed>) = 0 [pid 5968] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] rt_sigprocmask(SIG_SETMASK, [], [pid 5968] <... futex resumed>) = 0 [pid 5978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5968] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5978] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5968] <... futex resumed>) = 0 [pid 5968] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5978] fdatasync(6 [pid 5968] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] <... fdatasync resumed>) = 0 [pid 5977] <... munmap resumed>) = 0 [pid 5978] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5977] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5968] <... futex resumed>) = 0 [pid 5978] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] <... openat resumed>) = 4 [pid 5977] ioctl(4, LOOP_SET_FD, 3 [pid 5969] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5969] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5969] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5969] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5969] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[5979]}, 88) = 5979 [pid 5969] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5969] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5969] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5979 attached [pid 5979] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 5979] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 5979] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5979] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5979] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5969] <... futex resumed>) = 0 [pid 5979] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] <... futex resumed>) = 0 [pid 5979] fdatasync(6 [pid 5977] <... ioctl resumed>) = 0 [pid 5970] <... write resumed>) = 843776 [pid 5969] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] <... fdatasync resumed>) = 0 [ 217.068132][ T5974] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 217.081544][ T5977] loop1: detected capacity change from 0 to 2048 [ 217.083228][ T5976] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 217.103796][ T5974] UDF-fs: Scanning with blocksize 512 failed [pid 5979] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5977] close(3 [pid 5970] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] <... futex resumed>) = 0 [pid 5977] <... close resumed>) = 0 [pid 5970] <... futex resumed>) = 0 [pid 5968] exit_group(0 [pid 5978] <... futex resumed>) = ? [pid 5977] close(4 [pid 5968] <... exit_group resumed>) = ? [pid 5978] +++ exited with 0 +++ [pid 5977] <... close resumed>) = 0 [pid 5979] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] mkdir("./file0", 0777) = 0 [pid 5976] <... mount resumed>) = 0 [pid 5977] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 5976] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5976] chdir("./file0") = 0 [pid 5976] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5976] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5973] <... futex resumed>) = 0 [pid 5976] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5973] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5973] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] <... openat resumed>) = 4 [pid 5976] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5973] <... futex resumed>) = 0 [ 217.127569][ T5976] UDF-fs: Scanning with blocksize 512 failed [ 217.144127][ T5976] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 217.145439][ T5970] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5973] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5973] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 5976] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5973] <... futex resumed>) = 0 [pid 5970] +++ exited with 0 +++ [pid 5968] +++ exited with 0 +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5968, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5973] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5973] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] pwrite64(5, "2", 1, 134220897) = 1 [pid 5976] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5973] <... futex resumed>) = 0 [pid 5973] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5976] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5973] <... futex resumed>) = 0 [pid 5973] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5974] <... mount resumed>) = 0 [pid 5972] <... write resumed>) = 843776 [pid 5857] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5977] <... mount resumed>) = 0 [pid 5974] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5972] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... openat resumed>) = 3 [pid 5977] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5969] exit_group(0 [pid 5974] <... openat resumed>) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5974] chdir("./file0" [pid 5857] getdents64(3, [pid 5974] <... chdir resumed>) = 0 [pid 5979] <... futex resumed>) = ? [pid 5977] <... openat resumed>) = 3 [ 217.185944][ T5974] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 217.197457][ T5977] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 217.206133][ T5977] UDF-fs: Scanning with blocksize 512 failed [ 217.219195][ T5977] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5974] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5972] <... futex resumed>) = ? [pid 5969] <... exit_group resumed>) = ? [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5979] +++ exited with 0 +++ [pid 5977] chdir("./file0" [pid 5974] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5972] +++ exited with 0 +++ [pid 5857] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5977] <... chdir resumed>) = 0 [pid 5974] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5977] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5974] <... futex resumed>) = 1 [pid 5971] <... futex resumed>) = 0 [pid 5971] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5977] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5974] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5971] <... futex resumed>) = 0 [pid 5977] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... openat resumed>) = 4 [pid 5971] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] +++ exited with 0 +++ [pid 5857] unlink("./7/binderfs" [pid 5977] <... futex resumed>) = 1 [pid 5975] <... futex resumed>) = 0 [pid 5974] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5969, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5974] <... futex resumed>) = 0 [pid 5973] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5974] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... unlink resumed>) = 0 [pid 5975] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5977] <... futex resumed>) = 0 [pid 5975] <... futex resumed>) = 1 [pid 5859] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5977] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5975] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... openat resumed>) = 3 [pid 5973] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] newfstatat(3, "", [pid 5973] <... futex resumed>) = 0 [pid 5971] <... futex resumed>) = 1 [pid 5977] <... openat resumed>) = 4 [pid 5973] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5974] <... futex resumed>) = 0 [pid 5971] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5977] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5974] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5977] <... futex resumed>) = 0 [pid 5975] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5859] getdents64(3, [pid 5974] <... openat resumed>) = 5 [pid 5977] <... openat resumed>) = 5 [pid 5975] <... futex resumed>) = 0 [pid 5974] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... mmap resumed>) = 0x7f708f746000 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5977] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] <... futex resumed>) = 1 [pid 5973] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5971] <... futex resumed>) = 0 [pid 5977] <... futex resumed>) = 0 [pid 5975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5974] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] <... mprotect resumed>) = 0 [pid 5971] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5977] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5973] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5971] <... futex resumed>) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] <... futex resumed>) = 0 [pid 5974] pwrite64(5, "2", 1, 134220897 [pid 5973] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5977] pwrite64(5, "2", 1, 134220897 [pid 5975] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5973] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5971] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] newfstatat(AT_FDCWD, "./7/binderfs", ./strace-static-x86_64: Process 5980 attached [pid 5977] <... pwrite64 resumed>) = 1 [pid 5974] <... pwrite64 resumed>) = 1 [ 217.238679][ T5969] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5980] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5977] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... clone3 resumed> => {parent_tid=[5980]}, 88) = 5980 [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5974] <... futex resumed>) = 1 [pid 5973] rt_sigprocmask(SIG_SETMASK, [], [pid 5971] <... futex resumed>) = 0 [pid 5859] unlink("./7/binderfs" [pid 5974] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5977] <... futex resumed>) = 1 [pid 5973] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] <... futex resumed>) = 0 [pid 5971] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... futex resumed>) = 0 [pid 5859] <... unlink resumed>) = 0 [pid 5980] <... rseq resumed>) = 0 [pid 5975] <... futex resumed>) = 0 [pid 5973] <... futex resumed>) = 0 [pid 5980] set_robust_list(0x7f708f7669a0, 24 [pid 5973] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5980] <... set_robust_list resumed>) = 0 [pid 5980] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5980] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5980] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5973] <... futex resumed>) = 0 [pid 5973] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5973] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5980] fdatasync(6 [pid 5977] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5975] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5976] <... write resumed>) = 843776 [pid 5976] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5976] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5980] <... fdatasync resumed>) = 0 [pid 5980] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5973] <... futex resumed>) = 0 [pid 5980] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] exit_group(0 [pid 5971] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5971] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5971] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5971] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5971] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 5981 attached => {parent_tid=[5981]}, 88) = 5981 [pid 5971] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5971] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5971] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5981] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5980] <... futex resumed>) = ? [pid 5976] <... futex resumed>) = ? [pid 5973] <... exit_group resumed>) = ? [pid 5981] <... rseq resumed>) = 0 [pid 5976] +++ exited with 0 +++ [pid 5981] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 5981] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5981] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5981] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... futex resumed>) = 0 [pid 5971] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5971] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5981] <... futex resumed>) = 1 [pid 5981] fdatasync(6) = 0 [pid 5980] +++ exited with 0 +++ [pid 5975] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5981] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 217.319955][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5975] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... futex resumed>) = 0 [pid 5981] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] <... futex resumed>) = 0 [pid 5975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5975] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5975] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 5982 attached [pid 5982] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5975] <... clone3 resumed> => {parent_tid=[5982]}, 88) = 5982 [pid 5982] <... rseq resumed>) = 0 [pid 5975] rt_sigprocmask(SIG_SETMASK, [], [pid 5982] set_robust_list(0x7f708f7669a0, 24 [pid 5975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5982] <... set_robust_list resumed>) = 0 [pid 5982] rt_sigprocmask(SIG_SETMASK, [], [pid 5975] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] <... futex resumed>) = 0 [pid 5975] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5974] <... write resumed>) = 843776 [pid 5974] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... openat resumed>) = 6 [pid 5974] <... futex resumed>) = 0 [ 217.366922][ T5973] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 217.395565][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5974] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5971] exit_group(0 [pid 5974] <... futex resumed>) = ? [pid 5971] <... exit_group resumed>) = ? [pid 5974] +++ exited with 0 +++ [pid 5981] <... futex resumed>) = ? [pid 5982] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] +++ exited with 0 +++ [pid 5982] <... futex resumed>) = 1 [pid 5975] <... futex resumed>) = 0 [pid 5975] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5973, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5982] fdatasync(6 [pid 5975] <... futex resumed>) = 0 [pid 5982] <... fdatasync resumed>) = 0 [pid 5975] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5982] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5982] <... futex resumed>) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5982] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] <... umount2 resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5857] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] newfstatat(3, "", [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] newfstatat(AT_FDCWD, "./7/file0", [pid 5855] getdents64(3, [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5857] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] close(4) = 0 [pid 5857] rmdir("./7/file0") = 0 [pid 5857] getdents64(3, [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] unlink("./7/binderfs" [pid 5857] close(3) = 0 [pid 5855] <... unlink resumed>) = 0 [pid 5857] rmdir("./7" [pid 5855] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... rmdir resumed>) = 0 [pid 5857] mkdir("./8", 0777) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [ 217.428760][ T5981] UDF-fs: warning (device loop3): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [pid 5857] ioctl(3, LOOP_CLR_FD) = 0 [pid 5857] close(3 [pid 5977] <... write resumed>) = 843776 [pid 5977] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] exit_group(0 [pid 5857] <... close resumed>) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55559362e690) = 5983 [pid 5981] +++ exited with 0 +++ [pid 5977] <... futex resumed>) = 0 [pid 5971] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5971, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5858] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5858] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5983 attached [pid 5982] <... futex resumed>) = ? [pid 5975] <... exit_group resumed>) = ? [pid 5858] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5982] +++ exited with 0 +++ [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5983] set_robust_list(0x55559362e6a0, 24 [pid 5858] unlink("./7/binderfs" [pid 5983] <... set_robust_list resumed>) = 0 [pid 5859] <... umount2 resumed>) = 0 [pid 5858] <... unlink resumed>) = 0 [pid 5858] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5983] chdir("./8") = 0 [pid 5859] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(AT_FDCWD, "./7/file0", [pid 5983] <... prctl resumed>) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5983] setpgid(0, 0 [pid 5859] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5983] <... setpgid resumed>) = 0 [pid 5859] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] <... openat resumed>) = 4 [pid 5983] <... openat resumed>) = 3 [pid 5859] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... umount2 resumed>) = 0 [pid 5859] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5859] getdents64(4, [pid 5855] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] close(4) = 0 [pid 5855] newfstatat(AT_FDCWD, "./7/file0", [pid 5983] write(3, "1000", 4 [pid 5859] rmdir("./7/file0" [pid 5983] <... write resumed>) = 4 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5983] close(3 [pid 5859] <... rmdir resumed>) = 0 [pid 5983] <... close resumed>) = 0 [pid 5859] getdents64(3, [pid 5855] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5983] symlink("/dev/binderfs", "./binderfs" [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5983] <... symlink resumed>) = 0 [pid 5859] close(3 [pid 5855] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program [pid 5983] write(1, "executing program\n", 18 [pid 5859] <... close resumed>) = 0 [pid 5855] <... openat resumed>) = 4 [pid 5983] <... write resumed>) = 18 [pid 5859] rmdir("./7" [pid 5983] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(4, [pid 5983] <... futex resumed>) = 0 [pid 5859] <... rmdir resumed>) = 0 [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5983] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5977] +++ exited with 0 +++ [pid 5975] +++ exited with 0 +++ [pid 5859] mkdir("./8", 0777 [pid 5983] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5983] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5855] getdents64(4, [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5975, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] <... mkdir resumed>) = 0 [pid 5856] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] close(4 [pid 5983] <... mmap resumed>) = 0x7f708f767000 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... close resumed>) = 0 [pid 5983] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5859] <... openat resumed>) = 3 [pid 5856] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] rmdir("./7/file0" [pid 5983] <... mprotect resumed>) = 0 [pid 5859] ioctl(3, LOOP_CLR_FD [pid 5856] <... openat resumed>) = 3 [pid 5855] <... rmdir resumed>) = 0 [pid 5983] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] <... ioctl resumed>) = 0 [pid 5856] newfstatat(3, "", [pid 5859] close(3 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [ 217.498610][ T5981] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 217.501507][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 217.533169][ T5977] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5856] getdents64(3, [pid 5855] close(3 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] <... close resumed>) = 0 [pid 5856] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] rmdir("./7" [pid 5983] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5856] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5855] <... rmdir resumed>) = 0 [pid 5855] mkdir("./8", 0777 [pid 5983] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... mkdir resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5856] unlink("./7/binderfs" [pid 5855] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5984 attached [pid 5855] ioctl(3, LOOP_CLR_FD [pid 5983] <... clone3 resumed> => {parent_tid=[5984]}, 88) = 5984 [pid 5856] <... unlink resumed>) = 0 [pid 5855] <... ioctl resumed>) = 0 [pid 5983] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] close(3 [pid 5984] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5984] <... rseq resumed>) = 0 [pid 5983] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 5983] <... futex resumed>) = 0 [pid 5984] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5984] memfd_create("syzkaller", 0) = 3 [pid 5983] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5984] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5855] <... close resumed>) = 0 [pid 5984] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5985 attached [pid 5985] set_robust_list(0x55559362e6a0, 24 [pid 5859] <... close resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 5985 [pid 5985] <... set_robust_list resumed>) = 0 [pid 5985] chdir("./8") = 0 [pid 5985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5985] setpgid(0, 0) = 0 [pid 5985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5985] <... openat resumed>) = 3 [pid 5985] write(3, "1000", 4) = 4 [pid 5985] close(3./strace-static-x86_64: Process 5986 attached [ 217.609527][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 5986 [pid 5986] set_robust_list(0x55559362e6a0, 24 [pid 5985] <... close resumed>) = 0 [pid 5985] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5985] write(1, "executing program\n", 18) = 18 [pid 5985] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... set_robust_list resumed>) = 0 [pid 5985] <... futex resumed>) = 0 [pid 5985] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5986] chdir("./8" [pid 5985] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5986] <... chdir resumed>) = 0 [pid 5985] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5986] setpgid(0, 0) = 0 [pid 5985] <... mmap resumed>) = 0x7f708f767000 [pid 5985] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] <... umount2 resumed>) = 0 [pid 5986] <... openat resumed>) = 3 [pid 5985] <... mprotect resumed>) = 0 [pid 5858] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5986] write(3, "1000", 4 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5986] <... write resumed>) = 4 [pid 5858] newfstatat(AT_FDCWD, "./7/file0", [pid 5986] close(3) = 0 [pid 5985] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5986] symlink("/dev/binderfs", "./binderfs" [pid 5858] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 5986] <... symlink resumed>) = 0 [pid 5985] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5986] write(1, "executing program\n", 18 [pid 5858] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5986] <... write resumed>) = 18 [pid 5985] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 5987 attached [pid 5986] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... openat resumed>) = 4 [pid 5987] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5986] <... futex resumed>) = 0 [pid 5985] <... clone3 resumed> => {parent_tid=[5987]}, 88) = 5987 [pid 5858] newfstatat(4, "", [pid 5987] <... rseq resumed>) = 0 [pid 5986] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5985] rt_sigprocmask(SIG_SETMASK, [], [pid 5987] set_robust_list(0x7f708f7879a0, 24 [pid 5986] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5987] <... set_robust_list resumed>) = 0 [pid 5986] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5858] getdents64(4, [pid 5987] rt_sigprocmask(SIG_SETMASK, [], [pid 5986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5987] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5987] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] <... mmap resumed>) = 0x7f708f767000 [pid 5858] getdents64(4, [pid 5986] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5986] <... mprotect resumed>) = 0 [pid 5985] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... write resumed>) = 1048576 [pid 5858] close(4 [pid 5856] <... umount2 resumed>) = 0 [pid 5987] <... futex resumed>) = 0 [pid 5986] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5985] <... futex resumed>) = 1 [pid 5985] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5987] memfd_create("syzkaller", 0 [pid 5986] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5858] <... close resumed>) = 0 [pid 5856] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5987] <... memfd_create resumed>) = 3 [pid 5986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5858] rmdir("./7/file0" [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5984] munmap(0x7f7087200000, 138412032) = 0 [pid 5984] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 217.653163][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5984] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5988 attached [pid 5987] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5858] <... rmdir resumed>) = 0 [pid 5856] newfstatat(AT_FDCWD, "./7/file0", [pid 5986] <... clone3 resumed> => {parent_tid=[5988]}, 88) = 5988 [pid 5858] getdents64(3, [pid 5987] <... mmap resumed>) = 0x7f7087200000 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5986] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5988] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] close(3 [pid 5856] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5988] <... rseq resumed>) = 0 [pid 5986] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... close resumed>) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5988] set_robust_list(0x7f708f7879a0, 24 [pid 5986] <... futex resumed>) = 0 [pid 5858] rmdir("./7" [pid 5856] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5988] <... set_robust_list resumed>) = 0 [pid 5986] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5988] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] <... rmdir resumed>) = 0 [pid 5856] <... openat resumed>) = 4 [pid 5988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5988] memfd_create("syzkaller", 0 [pid 5858] mkdir("./8", 0777 [pid 5856] newfstatat(4, "", [pid 5988] <... memfd_create resumed>) = 3 [pid 5988] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5988] <... mmap resumed>) = 0x7f7087200000 [pid 5858] <... mkdir resumed>) = 0 [pid 5987] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5984] <... ioctl resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5856] getdents64(4, [pid 5858] <... openat resumed>) = 3 [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5856] getdents64(4, [pid 5858] <... ioctl resumed>) = 0 [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5984] close(3 [pid 5858] close(3 [pid 5856] close(4 [pid 5984] <... close resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5856] rmdir("./7/file0" [pid 5988] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5856] <... rmdir resumed>) = 0 [pid 5984] close(4) = 0 [pid 5984] mkdir("./file0", 0777 [ 217.709117][ T5984] loop2: detected capacity change from 0 to 2048 [pid 5856] getdents64(3, [pid 5987] <... write resumed>) = 1048576 [pid 5984] <... mkdir resumed>) = 0 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 5856] rmdir("./7") = 0 [pid 5856] mkdir("./8", 0777) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5984] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 5856] ioctl(3, LOOP_CLR_FD) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] close(3./strace-static-x86_64: Process 5989 attached [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 5989 [pid 5989] set_robust_list(0x55559362e6a0, 24) = 0 [pid 5989] chdir("./8" [pid 5856] <... close resumed>) = 0 [pid 5989] <... chdir resumed>) = 0 [pid 5989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5989] setpgid(0, 0) = 0 [pid 5988] <... write resumed>) = 1048576 [pid 5989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5989] write(3, "1000", 4executing program [pid 5987] munmap(0x7f7087200000, 138412032 [pid 5989] <... write resumed>) = 4 [pid 5989] close(3 [pid 5987] <... munmap resumed>) = 0 [pid 5989] <... close resumed>) = 0 [pid 5989] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5989] write(1, "executing program\n", 18./strace-static-x86_64: Process 5990 attached ) = 18 [pid 5987] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5989] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5987] ioctl(4, LOOP_SET_FD, 3 [pid 5990] set_robust_list(0x55559362e6a0, 24 [pid 5988] munmap(0x7f7087200000, 138412032 [pid 5989] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 5990 [pid 5989] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5989] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5990] <... set_robust_list resumed>) = 0 [pid 5989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5988] <... munmap resumed>) = 0 executing program [pid 5990] chdir("./8" [pid 5989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5988] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5990] <... chdir resumed>) = 0 [pid 5989] <... mmap resumed>) = 0x7f708f767000 [pid 5990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5989] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5990] <... prctl resumed>) = 0 [pid 5989] <... mprotect resumed>) = 0 [pid 5990] setpgid(0, 0 [pid 5989] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5990] <... setpgid resumed>) = 0 [pid 5989] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5990] <... openat resumed>) = 3 [pid 5990] write(3, "1000", 4 [pid 5989] <... clone3 resumed> => {parent_tid=[5991]}, 88) = 5991 [pid 5990] <... write resumed>) = 4 [pid 5989] rt_sigprocmask(SIG_SETMASK, [], [pid 5990] close(3 [pid 5989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5990] <... close resumed>) = 0 [pid 5989] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] symlink("/dev/binderfs", "./binderfs" [pid 5989] <... futex resumed>) = 0 [pid 5990] <... symlink resumed>) = 0 [pid 5989] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5990] write(1, "executing program\n", 18) = 18 [pid 5988] <... openat resumed>) = 4 [pid 5990] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5990] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, ./strace-static-x86_64: Process 5991 attached NULL, 8) = 0 [pid 5990] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5991] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5990] <... mmap resumed>) = 0x7f708f767000 [pid 5991] <... rseq resumed>) = 0 [pid 5991] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 5990] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5991] rt_sigprocmask(SIG_SETMASK, [], [pid 5990] <... mprotect resumed>) = 0 [pid 5991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5990] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5988] ioctl(4, LOOP_SET_FD, 3 [pid 5990] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5987] <... ioctl resumed>) = 0 [pid 5991] memfd_create("syzkaller", 0 [pid 5990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5987] close(3./strace-static-x86_64: Process 5992 attached ) = 0 [pid 5992] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5990] <... clone3 resumed> => {parent_tid=[5992]}, 88) = 5992 [pid 5987] close(4 [pid 5992] <... rseq resumed>) = 0 [pid 5990] rt_sigprocmask(SIG_SETMASK, [], [pid 5992] set_robust_list(0x7f708f7879a0, 24 [pid 5990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5987] <... close resumed>) = 0 [pid 5992] <... set_robust_list resumed>) = 0 [pid 5990] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5990] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5992] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5992] memfd_create("syzkaller", 0 [pid 5987] mkdir("./file0", 0777 [pid 5992] <... memfd_create resumed>) = 3 [pid 5987] <... mkdir resumed>) = 0 [pid 5992] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5991] <... memfd_create resumed>) = 3 [pid 5988] <... ioctl resumed>) = 0 [pid 5987] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 5991] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5988] close(3) = 0 [pid 5988] close(4) = 0 [pid 5988] mkdir("./file0", 0777) = 0 [ 217.785679][ T5984] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 217.790540][ T5987] loop0: detected capacity change from 0 to 2048 [ 217.803160][ T5984] UDF-fs: Scanning with blocksize 512 failed [ 217.815115][ T5988] loop4: detected capacity change from 0 to 2048 [ 217.826674][ T5984] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5988] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 5992] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5984] <... mount resumed>) = 0 [pid 5984] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5984] chdir("./file0") = 0 [pid 5984] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5984] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5983] <... futex resumed>) = 0 [pid 5984] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5983] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5983] <... futex resumed>) = 0 [pid 5984] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5983] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] <... openat resumed>) = 4 [pid 5984] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5983] <... futex resumed>) = 0 [pid 5984] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5983] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5991] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5983] <... futex resumed>) = 0 [pid 5984] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5983] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] <... openat resumed>) = 5 [pid 5984] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5983] <... futex resumed>) = 0 [pid 5983] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5983] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] pwrite64(5, "2", 1, 134220897) = 1 [pid 5984] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5983] <... futex resumed>) = 0 [pid 5984] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5983] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5983] <... futex resumed>) = 0 [pid 5984] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5983] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] <... write resumed>) = 1048576 [pid 5991] <... write resumed>) = 1048576 [pid 5992] munmap(0x7f7087200000, 138412032) = 0 [pid 5991] munmap(0x7f7087200000, 138412032 [pid 5992] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5991] <... munmap resumed>) = 0 [pid 5992] <... openat resumed>) = 4 [pid 5991] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5992] ioctl(4, LOOP_SET_FD, 3 [pid 5991] <... openat resumed>) = 4 [ 217.854446][ T5987] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 217.862740][ T5988] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 217.870410][ T5988] UDF-fs: Scanning with blocksize 512 failed [ 217.887781][ T5987] UDF-fs: Scanning with blocksize 512 failed [pid 5991] ioctl(4, LOOP_SET_FD, 3 [pid 5992] <... ioctl resumed>) = 0 [pid 5992] close(3 [pid 5983] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5992] <... close resumed>) = 0 [pid 5983] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] close(4 [pid 5988] <... mount resumed>) = 0 [pid 5983] <... futex resumed>) = 0 [pid 5988] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5987] <... mount resumed>) = 0 [pid 5992] <... close resumed>) = 0 [pid 5988] <... openat resumed>) = 3 [pid 5987] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5992] mkdir("./file0", 0777 [pid 5988] chdir("./file0" [pid 5987] <... openat resumed>) = 3 [pid 5983] <... mmap resumed>) = 0x7f708f746000 [pid 5992] <... mkdir resumed>) = 0 [pid 5991] <... ioctl resumed>) = 0 [pid 5988] <... chdir resumed>) = 0 [pid 5987] chdir("./file0" [pid 5983] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5991] close(3 [pid 5988] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5987] <... chdir resumed>) = 0 [pid 5983] <... mprotect resumed>) = 0 [pid 5988] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5987] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5983] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5991] <... close resumed>) = 0 [pid 5983] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5987] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5983] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 5993 attached [pid 5992] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 5991] close(4 [pid 5988] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5991] <... close resumed>) = 0 [pid 5988] <... futex resumed>) = 1 [pid 5987] <... futex resumed>) = 1 [pid 5986] <... futex resumed>) = 0 [pid 5985] <... futex resumed>) = 0 [pid 5983] <... clone3 resumed> => {parent_tid=[5993]}, 88) = 5993 [pid 5993] <... rseq resumed>) = 0 [pid 5991] mkdir("./file0", 0777 [pid 5988] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5987] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 217.908096][ T5992] loop1: detected capacity change from 0 to 2048 [ 217.908166][ T5991] loop3: detected capacity change from 0 to 2048 [ 217.925327][ T5988] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 217.934801][ T5987] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5986] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] rt_sigprocmask(SIG_SETMASK, [], [pid 5993] set_robust_list(0x7f708f7669a0, 24 [pid 5991] <... mkdir resumed>) = 0 [pid 5988] <... openat resumed>) = 4 [pid 5987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5986] <... futex resumed>) = 0 [pid 5985] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5985] <... futex resumed>) = 0 [pid 5988] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] <... futex resumed>) = 0 [pid 5986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5985] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] <... set_robust_list resumed>) = 0 [pid 5991] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 5988] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5993] rt_sigprocmask(SIG_SETMASK, [], [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5986] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5988] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5986] <... futex resumed>) = 0 [pid 5983] <... futex resumed>) = 0 [pid 5993] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5988] <... openat resumed>) = 5 [pid 5986] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] <... openat resumed>) = 6 [pid 5987] <... openat resumed>) = 4 [pid 5983] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5985] <... futex resumed>) = 0 [pid 5993] <... futex resumed>) = 1 [pid 5988] <... futex resumed>) = 1 [pid 5987] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5986] <... futex resumed>) = 0 [pid 5985] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... futex resumed>) = 0 [pid 5993] fdatasync(6 [pid 5988] pwrite64(5, "2", 1, 134220897 [pid 5987] <... openat resumed>) = 5 [pid 5986] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... futex resumed>) = 0 [pid 5983] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... pwrite64 resumed>) = 1 [pid 5987] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... futex resumed>) = 0 [pid 5985] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5983] <... futex resumed>) = 0 [pid 5988] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... futex resumed>) = 0 [pid 5986] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 217.980664][ T5992] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 218.008972][ T5991] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [pid 5983] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] <... fdatasync resumed>) = 0 [pid 5988] <... futex resumed>) = 0 [pid 5987] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5985] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... write resumed>) = 843776 [pid 5993] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5986] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... futex resumed>) = 1 [pid 5987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5986] <... futex resumed>) = 0 [pid 5985] <... futex resumed>) = 0 [pid 5984] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... futex resumed>) = 0 [pid 5993] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] pwrite64(5, "2", 1, 134220897 [pid 5986] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] <... futex resumed>) = 0 [pid 5983] exit_group(0 [pid 5993] <... futex resumed>) = ? [pid 5987] <... pwrite64 resumed>) = 1 [pid 5983] <... exit_group resumed>) = ? [pid 5987] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] +++ exited with 0 +++ [pid 5987] <... futex resumed>) = 1 [pid 5985] <... futex resumed>) = 0 [pid 5987] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5985] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5985] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] +++ exited with 0 +++ [pid 5983] +++ exited with 0 +++ [ 218.026286][ T5992] UDF-fs: Scanning with blocksize 512 failed [ 218.028969][ T5991] UDF-fs: Scanning with blocksize 512 failed [ 218.047207][ T5993] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 218.050506][ T5991] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5983, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5857] restart_syscall(<... resuming interrupted clone ...> [pid 5986] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5986] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5857] <... restart_syscall resumed>) = 0 [pid 5986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5986] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5857] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5986] <... mprotect resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", [pid 5991] <... mount resumed>) = 0 [pid 5986] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 5994 attached => {parent_tid=[5994]}, 88) = 5994 [pid 5986] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5986] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5986] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5994] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5991] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5857] getdents64(3, [pid 5994] <... rseq resumed>) = 0 [pid 5991] <... openat resumed>) = 3 [pid 5994] set_robust_list(0x7f708f7669a0, 24 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5994] <... set_robust_list resumed>) = 0 [pid 5992] <... mount resumed>) = 0 [pid 5994] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5994] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5992] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5992] chdir("./file0") = 0 [pid 5994] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5994] <... futex resumed>) = 1 [pid 5992] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5986] <... futex resumed>) = 0 [pid 5994] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5986] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5994] fdatasync(6) = 0 [pid 5992] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... futex resumed>) = 1 [pid 5990] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = 1 [pid 5992] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] chdir("./file0" [pid 5986] <... futex resumed>) = 0 [pid 5857] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5994] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] <... chdir resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5991] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5857] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5990] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... futex resumed>) = 0 [pid 5990] <... futex resumed>) = 1 [pid 5992] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5990] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5991] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5985] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5991] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] unlink("./8/binderfs" [pid 5992] <... openat resumed>) = 4 [pid 5991] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5985] <... futex resumed>) = 0 [pid 5992] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5857] <... unlink resumed>) = 0 [pid 5992] <... futex resumed>) = 1 [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5990] <... futex resumed>) = 0 [pid 5989] <... futex resumed>) = 0 [pid 5985] <... mmap resumed>) = 0x7f708f746000 [pid 5857] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5992] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5990] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5990] <... futex resumed>) = 0 [pid 5985] <... mprotect resumed>) = 0 [pid 5992] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5991] <... openat resumed>) = 4 [pid 5985] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5991] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5991] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5995 attached [pid 5991] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5989] <... futex resumed>) = 0 [ 218.083538][ T5992] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5985] <... clone3 resumed> => {parent_tid=[5995]}, 88) = 5995 [pid 5995] <... rseq resumed>) = 0 [pid 5991] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5989] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5991] <... openat resumed>) = 5 [pid 5985] rt_sigprocmask(SIG_SETMASK, [], [pid 5995] set_robust_list(0x7f708f7669a0, 24 [pid 5991] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... set_robust_list resumed>) = 0 [pid 5985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5991] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5991] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] rt_sigprocmask(SIG_SETMASK, [], [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5989] <... futex resumed>) = 0 [pid 5985] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5991] pwrite64(5, "2", 1, 134220897 [pid 5989] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] <... futex resumed>) = 0 [pid 5995] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5992] <... openat resumed>) = 5 [pid 5991] <... pwrite64 resumed>) = 1 [pid 5990] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... openat resumed>) = 6 [pid 5992] <... futex resumed>) = 1 [pid 5990] <... futex resumed>) = 0 [pid 5995] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5992] pwrite64(5, "2", 1, 134220897 [pid 5990] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] <... pwrite64 resumed>) = 1 [pid 5992] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5990] <... futex resumed>) = 0 [pid 5992] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5990] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... futex resumed>) = 1 [pid 5990] <... futex resumed>) = 0 [pid 5985] <... futex resumed>) = 0 [pid 5990] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5991] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] fdatasync(6 [pid 5991] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5985] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5995] <... fdatasync resumed>) = 0 [pid 5991] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5989] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... futex resumed>) = 0 [pid 5995] <... futex resumed>) = 1 [pid 5989] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] <... futex resumed>) = 0 [pid 5995] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] <... write resumed>) = 843776 [pid 5987] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5987] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5985] exit_group(0) = ? [pid 5995] <... futex resumed>) = ? [pid 5987] <... futex resumed>) = ? [pid 5995] +++ exited with 0 +++ [pid 5988] <... write resumed>) = 843776 [pid 5988] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5988] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] exit_group(0 [pid 5994] <... futex resumed>) = ? [pid 5988] <... futex resumed>) = ? [pid 5986] <... exit_group resumed>) = ? [pid 5994] +++ exited with 0 +++ [pid 5990] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5990] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5990] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [ 218.189108][ T5987] UDF-fs: warning (device loop0): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 218.199060][ T5988] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 218.225552][ T5987] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5990] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5989] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5989] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... write resumed>) = 843776 [pid 5990] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5989] <... futex resumed>) = 0 [pid 5988] +++ exited with 0 +++ [pid 5987] +++ exited with 0 +++ [pid 5986] +++ exited with 0 +++ [pid 5985] +++ exited with 0 +++ [pid 5989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5986, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5985, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- ./strace-static-x86_64: Process 5996 attached [pid 5989] <... mmap resumed>) = 0x7f708f746000 [pid 5996] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5991] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... clone3 resumed> => {parent_tid=[5996]}, 88) = 5996 [pid 5989] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5859] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5996] <... rseq resumed>) = 0 [pid 5990] rt_sigprocmask(SIG_SETMASK, [], [pid 5989] <... mprotect resumed>) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5996] set_robust_list(0x7f708f7669a0, 24 [pid 5990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5989] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5996] <... set_robust_list resumed>) = 0 [pid 5990] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5996] rt_sigprocmask(SIG_SETMASK, [], [pid 5991] <... futex resumed>) = 0 [pid 5990] <... futex resumed>) = 0 [pid 5989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5859] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5997 attached [pid 5996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5991] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5990] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5996] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5989] <... clone3 resumed> => {parent_tid=[5997]}, 88) = 5997 [pid 5997] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5859] newfstatat(3, "", [pid 5855] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5997] <... rseq resumed>) = 0 [pid 5996] <... openat resumed>) = 6 [pid 5989] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5997] set_robust_list(0x7f708f7669a0, 24 [pid 5996] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] getdents64(3, [pid 5855] newfstatat(3, "", [pid 5997] <... set_robust_list resumed>) = 0 [pid 5996] <... futex resumed>) = 1 [pid 5990] <... futex resumed>) = 0 [pid 5989] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5997] rt_sigprocmask(SIG_SETMASK, [], [pid 5996] fdatasync(6 [pid 5990] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... futex resumed>) = 0 [pid 5859] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] getdents64(3, [pid 5997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5996] <... fdatasync resumed>) = 0 [pid 5990] <... futex resumed>) = 0 [pid 5989] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5997] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5996] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5855] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5997] <... openat resumed>) = 6 [pid 5996] <... futex resumed>) = 0 [pid 5990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5997] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... write resumed>) = 843776 [pid 5859] unlink("./8/binderfs" [pid 5996] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5997] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5989] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... unlink resumed>) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5991] <... futex resumed>) = 0 [pid 5989] <... futex resumed>) = 1 [pid 5991] fdatasync(6 [pid 5989] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] unlink("./8/binderfs" [pid 5991] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5991] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... unlink resumed>) = 0 [pid 5997] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5991] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] exit_group(0 [pid 5997] <... futex resumed>) = ? [ 218.235941][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5991] <... futex resumed>) = ? [pid 5989] <... exit_group resumed>) = ? [pid 5997] +++ exited with 0 +++ [pid 5991] +++ exited with 0 +++ [pid 5855] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5992] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5992] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] +++ exited with 0 +++ [pid 5990] exit_group(0 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5989, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5996] <... futex resumed>) = ? [pid 5992] <... futex resumed>) = ? [pid 5990] <... exit_group resumed>) = ? [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 5996] +++ exited with 0 +++ [pid 5992] +++ exited with 0 +++ [pid 5858] <... restart_syscall resumed>) = 0 [pid 5858] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 218.294033][ T5989] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 218.312947][ T5990] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5858] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5990] +++ exited with 0 +++ [pid 5858] <... openat resumed>) = 3 [pid 5858] newfstatat(3, "", [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5990, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] <... umount2 resumed>) = 0 [pid 5858] getdents64(3, [pid 5859] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] newfstatat(AT_FDCWD, "./8/file0", [pid 5858] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] unlink("./8/binderfs" [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... unlink resumed>) = 0 [pid 5856] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] unlink("./8/binderfs") = 0 [pid 5858] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... umount2 resumed>) = 0 [pid 5857] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] <... openat resumed>) = 4 [pid 5857] newfstatat(AT_FDCWD, "./8/file0", [pid 5859] newfstatat(4, "", [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] getdents64(4, [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] getdents64(4, [pid 5857] <... openat resumed>) = 4 [ 218.328564][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 218.334138][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] <... umount2 resumed>) = 0 [pid 5857] newfstatat(4, "", [pid 5855] <... umount2 resumed>) = 0 [pid 5859] close(4 [pid 5858] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... close resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] getdents64(4, [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] rmdir("./8/file0" [pid 5858] newfstatat(AT_FDCWD, "./8/file0", [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] newfstatat(AT_FDCWD, "./8/file0", [pid 5859] <... rmdir resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] getdents64(4, [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] getdents64(3, [pid 5858] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] close(4 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] close(3 [pid 5858] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] <... close resumed>) = 0 [pid 5855] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] <... close resumed>) = 0 [pid 5858] <... openat resumed>) = 4 [pid 5857] rmdir("./8/file0" [pid 5855] <... openat resumed>) = 4 [pid 5859] rmdir("./8" [pid 5858] newfstatat(4, "", [pid 5857] <... rmdir resumed>) = 0 [pid 5855] newfstatat(4, "", [pid 5859] <... rmdir resumed>) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] mkdir("./9", 0777 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(4, [pid 5859] <... mkdir resumed>) = 0 [pid 5858] getdents64(4, [pid 5857] getdents64(3, [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] getdents64(4, [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] getdents64(4, [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] close(4 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] close(3 [pid 5855] <... close resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5858] close(4 [pid 5857] <... close resumed>) = 0 [pid 5855] rmdir("./8/file0" [pid 5858] <... close resumed>) = 0 [pid 5857] rmdir("./8" [pid 5855] <... rmdir resumed>) = 0 [pid 5859] ioctl(3, LOOP_CLR_FD [pid 5858] rmdir("./8/file0" [pid 5857] <... rmdir resumed>) = 0 [pid 5855] getdents64(3, [pid 5859] <... ioctl resumed>) = 0 [pid 5858] <... rmdir resumed>) = 0 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 5855] rmdir("./8" [pid 5859] close(3 [pid 5855] <... rmdir resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5858] getdents64(3, [pid 5857] mkdir("./9", 0777 [pid 5855] mkdir("./9", 0777) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5855] ioctl(3, LOOP_CLR_FD) = 0 [pid 5855] close(3) = 0 [ 218.409206][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 218.410737][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] <... mkdir resumed>) = 0 [pid 5856] <... umount2 resumed>) = 0 [pid 5858] close(3 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5998 attached [pid 5858] <... close resumed>) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5856] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5998] set_robust_list(0x55559362e6a0, 24 [pid 5858] rmdir("./8" [pid 5857] ioctl(3, LOOP_CLR_FD [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 5998 [pid 5998] <... set_robust_list resumed>) = 0 [pid 5858] <... rmdir resumed>) = 0 [pid 5857] <... ioctl resumed>) = 0 [pid 5856] newfstatat(AT_FDCWD, "./8/file0", [pid 5857] close(3 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5998] chdir("./9") = 0 [pid 5858] mkdir("./9", 0777 [pid 5856] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5999 attached [pid 5998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5858] <... mkdir resumed>) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5999] set_robust_list(0x55559362e6a0, 24 [pid 5998] <... prctl resumed>) = 0 [pid 5998] setpgid(0, 0 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 5999 [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5856] <... openat resumed>) = 4 [pid 5999] <... set_robust_list resumed>) = 0 [pid 5998] <... setpgid resumed>) = 0 [pid 5998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] <... openat resumed>) = 3 [pid 5856] newfstatat(4, "", [pid 5999] chdir("./9" [pid 5998] <... openat resumed>) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5999] <... chdir resumed>) = 0 [pid 5998] write(3, "1000", 4 [pid 5858] <... ioctl resumed>) = 0 [pid 5856] getdents64(4, [pid 5999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5998] <... write resumed>) = 4 [pid 5858] close(3 [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5999] <... prctl resumed>) = 0 [pid 5998] close(3 [pid 5856] getdents64(4, executing program [pid 5999] setpgid(0, 0 [pid 5998] <... close resumed>) = 0 [pid 5857] <... close resumed>) = 0 [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] close(4) = 0 [pid 5856] rmdir("./8/file0" [pid 5998] symlink("/dev/binderfs", "./binderfs" [pid 5856] <... rmdir resumed>) = 0 [pid 5856] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5998] <... symlink resumed>) = 0 [pid 5999] <... setpgid resumed>) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5998] write(1, "executing program\n", 18 [pid 5856] close(3) = 0 [pid 5856] rmdir("./8"./strace-static-x86_64: Process 6000 attached [pid 5998] <... write resumed>) = 18 [pid 5856] <... rmdir resumed>) = 0 [pid 5856] mkdir("./9", 0777 [pid 5999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5998] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... mkdir resumed>) = 0 [pid 5998] <... futex resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6000] set_robust_list(0x55559362e6a0, 24 [pid 5998] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5856] <... openat resumed>) = 3 [pid 6000] <... set_robust_list resumed>) = 0 [pid 5998] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 6000] chdir("./9" [pid 5999] <... openat resumed>) = 3 [pid 5998] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5858] <... close resumed>) = 0 [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6000 [pid 5856] <... ioctl resumed>) = 0 [pid 6000] <... chdir resumed>) = 0 [pid 5998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6000] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5856] close(3 [pid 5999] write(3, "1000", 4 [pid 5998] <... mmap resumed>) = 0x7f708f767000 [pid 5999] <... write resumed>) = 4 [pid 5998] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5999] close(3 [pid 6000] <... prctl resumed>) = 0 [pid 5999] <... close resumed>) = 0 [pid 5998] <... mprotect resumed>) = 0 [pid 5999] symlink("/dev/binderfs", "./binderfs" [pid 5998] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6000] setpgid(0, 0 [pid 5999] <... symlink resumed>) = 0 [pid 5998] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6001 attached [pid 6000] <... setpgid resumed>) = 0 [pid 5999] write(1, "executing program\n", 18 executing program [pid 5998] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6002 attached [pid 6000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5999] <... write resumed>) = 18 [pid 5856] <... close resumed>) = 0 [pid 6002] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6001] set_robust_list(0x55559362e6a0, 24 [pid 6000] <... openat resumed>) = 3 [pid 5999] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... clone3 resumed> => {parent_tid=[6002]}, 88) = 6002 [pid 6002] <... rseq resumed>) = 0 [pid 5999] <... futex resumed>) = 0 [pid 5998] rt_sigprocmask(SIG_SETMASK, [], [pid 6002] set_robust_list(0x7f708f7879a0, 24 [pid 5999] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6002] <... set_robust_list resumed>) = 0 [pid 5998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5999] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6002] rt_sigprocmask(SIG_SETMASK, [], [pid 5999] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5998] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6001] <... set_robust_list resumed>) = 0 [pid 6002] memfd_create("syzkaller", 0executing program executing program [pid 6001] chdir("./9" [pid 5998] <... futex resumed>) = 0 [pid 6002] <... memfd_create resumed>) = 3 [pid 5998] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6002] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6001 [pid 6002] <... mmap resumed>) = 0x7f7087200000 [pid 6000] write(3, "1000", 4) = 4 [pid 6001] <... chdir resumed>) = 0 [pid 6001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6001] setpgid(0, 0) = 0 [pid 6001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6000] close(3 [pid 6001] write(3, "1000", 4 [pid 6000] <... close resumed>) = 0 [pid 6001] <... write resumed>) = 4 [pid 6000] symlink("/dev/binderfs", "./binderfs" [pid 6001] close(3 [pid 6000] <... symlink resumed>) = 0 [pid 6001] <... close resumed>) = 0 [pid 6000] write(1, "executing program\n", 18 [pid 6001] symlink("/dev/binderfs", "./binderfs" [pid 6000] <... write resumed>) = 18 [pid 6001] <... symlink resumed>) = 0 [pid 6000] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6000] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6001] write(1, "executing program\n", 18 [pid 6000] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6001] <... write resumed>) = 18 [pid 6000] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6001] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6002] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6001] <... futex resumed>) = 0 [pid 6000] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6003 attached [pid 6001] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6000] <... mmap resumed>) = 0x7f708f767000 [pid 6000] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6001] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6000] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6003] set_robust_list(0x55559362e6a0, 24 [pid 6001] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6000] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6003 [pid 6003] <... set_robust_list resumed>) = 0 [pid 6001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6000] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5999] <... mmap resumed>) = 0x7f708f767000 [pid 6003] chdir("./9" [pid 6001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5999] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6003] <... chdir resumed>) = 0 [pid 6001] <... mmap resumed>) = 0x7f708f767000 [pid 5999] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6004 attached [pid 6003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6001] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6000] <... clone3 resumed> => {parent_tid=[6004]}, 88) = 6004 [pid 6004] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6003] <... prctl resumed>) = 0 [pid 6001] <... mprotect resumed>) = 0 [pid 6000] rt_sigprocmask(SIG_SETMASK, [], [pid 5999] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6004] <... rseq resumed>) = 0 [pid 6003] setpgid(0, 0 [pid 6001] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5999] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6004] set_robust_list(0x7f708f7879a0, 24 [pid 6003] <... setpgid resumed>) = 0 [pid 5999] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6004] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6005 attached [pid 6004] rt_sigprocmask(SIG_SETMASK, [], [pid 6003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6001] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6000] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6001] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6000] <... futex resumed>) = 0 [pid 5999] <... clone3 resumed> => {parent_tid=[6005]}, 88) = 6005 [pid 6005] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 6006 attached [pid 6005] set_robust_list(0x7f708f7879a0, 24 [pid 6004] memfd_create("syzkaller", 0 [pid 6003] <... openat resumed>) = 3 [pid 6000] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5999] rt_sigprocmask(SIG_SETMASK, [], [pid 6006] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6005] <... set_robust_list resumed>) = 0 [pid 6004] <... memfd_create resumed>) = 3 [pid 6001] <... clone3 resumed> => {parent_tid=[6006]}, 88) = 6006 [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6005] rt_sigprocmask(SIG_SETMASK, [], [pid 6004] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5999] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] <... mmap resumed>) = 0x7f7087200000 [pid 6006] <... rseq resumed>) = 0 [pid 6003] write(3, "1000", 4 [pid 6001] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 6006] set_robust_list(0x7f708f7879a0, 24 [pid 6005] memfd_create("syzkaller", 0 [pid 6003] <... write resumed>) = 4 [pid 6001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6006] <... set_robust_list resumed>) = 0 [pid 6003] close(3 [pid 6001] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] rt_sigprocmask(SIG_SETMASK, [], [pid 6003] <... close resumed>) = 0 [pid 6001] <... futex resumed>) = 0 [pid 6006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6003] symlink("/dev/binderfs", "./binderfs" [pid 6001] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6006] memfd_create("syzkaller", 0 [pid 6003] <... symlink resumed>) = 0 [pid 6006] <... memfd_create resumed>) = 3 [pid 6006] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6003] write(1, "executing program\n", 18 [pid 6006] <... mmap resumed>) = 0x7f7087200000 [pid 6003] <... write resumed>) = 18 [pid 6003] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6005] <... memfd_create resumed>) = 3 [pid 6003] <... futex resumed>) = 0 [pid 5999] <... futex resumed>) = 0 [pid 6005] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6003] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6003] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6005] <... mmap resumed>) = 0x7f7087200000 [pid 5999] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6003] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6006] <... write resumed>) = 1048576 [pid 6003] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6006] munmap(0x7f7087200000, 138412032 [pid 6003] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6006] <... munmap resumed>) = 0 [pid 6003] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} => {parent_tid=[6007]}, 88) = 6007 [pid 6003] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6007 attached NULL, 8) = 0 [pid 6003] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6006] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6003] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6007] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6006] <... openat resumed>) = 4 [pid 6007] <... rseq resumed>) = 0 [pid 6006] ioctl(4, LOOP_SET_FD, 3 [pid 6007] set_robust_list(0x7f708f7879a0, 24 [pid 6005] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6007] <... set_robust_list resumed>) = 0 [pid 6007] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6007] memfd_create("syzkaller", 0) = 3 [pid 6002] <... write resumed>) = 1048576 [pid 6007] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6002] munmap(0x7f7087200000, 138412032 [pid 6004] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6002] <... munmap resumed>) = 0 [pid 6002] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6002] ioctl(4, LOOP_SET_FD, 3 [pid 6007] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6006] <... ioctl resumed>) = 0 [pid 6006] close(3) = 0 [pid 6006] close(4) = 0 [pid 6006] mkdir("./file0", 0777) = 0 [pid 6006] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6002] <... ioctl resumed>) = 0 [pid 6002] close(3) = 0 [pid 6002] close(4) = 0 [pid 6002] mkdir("./file0", 0777) = 0 [ 218.595887][ T6006] loop3: detected capacity change from 0 to 2048 [ 218.613388][ T6002] loop0: detected capacity change from 0 to 2048 [ 218.632182][ T6006] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [pid 6002] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6005] <... write resumed>) = 1048576 [pid 6004] <... write resumed>) = 1048576 [pid 6004] munmap(0x7f7087200000, 138412032 [pid 6005] munmap(0x7f7087200000, 138412032) = 0 [pid 6007] <... write resumed>) = 1048576 [pid 6005] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6004] <... munmap resumed>) = 0 [pid 6007] munmap(0x7f7087200000, 138412032 [pid 6005] <... openat resumed>) = 4 [ 218.656854][ T6002] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 218.667776][ T6006] UDF-fs: Scanning with blocksize 512 failed [ 218.689899][ T6002] UDF-fs: Scanning with blocksize 512 failed [ 218.699039][ T6005] loop4: detected capacity change from 0 to 2048 [pid 6004] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6007] <... munmap resumed>) = 0 [pid 6005] ioctl(4, LOOP_SET_FD, 3 [pid 6004] <... openat resumed>) = 4 [pid 6004] ioctl(4, LOOP_SET_FD, 3 [pid 6007] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6007] ioctl(4, LOOP_SET_FD, 3 [pid 6005] <... ioctl resumed>) = 0 [pid 6004] <... ioctl resumed>) = 0 [pid 6005] close(3 [pid 6004] close(3) = 0 [pid 6005] <... close resumed>) = 0 [pid 6004] close(4 [pid 6005] close(4 [pid 6004] <... close resumed>) = 0 [pid 6005] <... close resumed>) = 0 [pid 6005] mkdir("./file0", 0777) = 0 [pid 6004] mkdir("./file0", 0777) = 0 [pid 6005] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6004] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6007] <... ioctl resumed>) = 0 [pid 6007] close(3) = 0 [pid 6007] close(4) = 0 [ 218.705721][ T6004] loop2: detected capacity change from 0 to 2048 [ 218.706166][ T6007] loop1: detected capacity change from 0 to 2048 [ 218.729575][ T6002] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6007] mkdir("./file0", 0777) = 0 [pid 6007] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6002] <... mount resumed>) = 0 [pid 6006] <... mount resumed>) = 0 [pid 6006] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6002] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6002] chdir("./file0") = 0 [pid 6002] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 218.764145][ T6006] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 218.772517][ T6005] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 218.787999][ T6004] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 218.789159][ T6005] UDF-fs: Scanning with blocksize 512 failed [pid 6002] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] chdir("./file0" [pid 6002] <... futex resumed>) = 1 [pid 6002] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6006] <... chdir resumed>) = 0 [pid 6006] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6006] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... futex resumed>) = 0 [pid 5998] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] <... futex resumed>) = 1 [pid 6002] <... futex resumed>) = 0 [pid 6001] <... futex resumed>) = 0 [pid 5998] <... futex resumed>) = 1 [pid 6002] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5998] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... openat resumed>) = 4 [pid 6001] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... futex resumed>) = 0 [pid 6006] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6002] <... futex resumed>) = 1 [pid 6001] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] <... futex resumed>) = 0 [pid 6002] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5998] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5998] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6002] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6006] <... openat resumed>) = 4 [pid 6006] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... openat resumed>) = 5 [pid 6006] <... futex resumed>) = 1 [pid 6006] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... futex resumed>) = 0 [pid 6002] <... futex resumed>) = 1 [pid 5998] <... futex resumed>) = 0 [pid 5998] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5998] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] pwrite64(5, "2", 1, 134220897 [pid 6001] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] <... futex resumed>) = 0 [pid 6002] <... pwrite64 resumed>) = 1 [pid 6001] <... futex resumed>) = 1 [pid 6006] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6001] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6006] <... openat resumed>) = 5 [pid 6006] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6001] <... futex resumed>) = 0 [ 218.816493][ T6004] UDF-fs: Scanning with blocksize 512 failed [ 218.824559][ T6007] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 218.835795][ T6007] UDF-fs: Scanning with blocksize 512 failed [pid 6006] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6006] pwrite64(5, "2", 1, 134220897) = 1 [pid 6006] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = 1 [pid 6001] <... futex resumed>) = 0 [pid 5998] <... futex resumed>) = 0 [pid 6002] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6001] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6006] <... futex resumed>) = 0 [pid 5998] <... futex resumed>) = 0 [pid 6006] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6001] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6006] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6001] <... futex resumed>) = 0 [pid 6001] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6005] <... mount resumed>) = 0 [pid 6005] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6005] chdir("./file0") = 0 [pid 6005] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6005] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5999] <... futex resumed>) = 0 [ 218.858015][ T6005] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6005] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6005] <... futex resumed>) = 0 [pid 5999] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6005] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 6005] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5999] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5999] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6005] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 6005] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5999] <... futex resumed>) = 0 [pid 5999] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5999] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6005] pwrite64(5, "2", 1, 134220897) = 1 [pid 6005] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5999] <... futex resumed>) = 0 [pid 5999] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5999] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6005] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5998] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5998] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 5998] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5998] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6001] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5998] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6008 attached [pid 6001] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5998] <... clone3 resumed> => {parent_tid=[6008]}, 88) = 6008 [pid 6001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5998] rt_sigprocmask(SIG_SETMASK, [], [pid 6001] <... mmap resumed>) = 0x7f708f746000 [pid 5998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6001] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5998] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... mprotect resumed>) = 0 [pid 5998] <... futex resumed>) = 0 [pid 6008] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6007] <... mount resumed>) = 0 [pid 6001] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6004] <... mount resumed>) = 0 [pid 5998] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] <... rseq resumed>) = 0 [pid 6007] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6004] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6001] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6008] set_robust_list(0x7f708f7669a0, 24 [pid 6007] <... openat resumed>) = 3 [pid 6001] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6009 attached [pid 6008] <... set_robust_list resumed>) = 0 [ 218.903658][ T6004] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 218.913637][ T6007] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6007] chdir("./file0" [pid 6004] <... openat resumed>) = 3 [pid 6009] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6008] rt_sigprocmask(SIG_SETMASK, [], [pid 6007] <... chdir resumed>) = 0 [pid 6004] chdir("./file0" [pid 6008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6007] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6004] <... chdir resumed>) = 0 [pid 6001] <... clone3 resumed> => {parent_tid=[6009]}, 88) = 6009 [pid 6008] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6007] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6004] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6001] rt_sigprocmask(SIG_SETMASK, [], [pid 6008] <... openat resumed>) = 6 [pid 6001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6009] <... rseq resumed>) = 0 [pid 6008] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6001] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6009] set_robust_list(0x7f708f7669a0, 24 [pid 6008] <... futex resumed>) = 1 [pid 6001] <... futex resumed>) = 0 [pid 5999] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... futex resumed>) = 0 [pid 6009] <... set_robust_list resumed>) = 0 [pid 6008] fdatasync(6 [pid 6001] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... futex resumed>) = 0 [pid 5998] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] rt_sigprocmask(SIG_SETMASK, [], [pid 6008] <... fdatasync resumed>) = 0 [pid 6007] <... futex resumed>) = 1 [pid 6004] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... futex resumed>) = 0 [pid 5999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5998] <... futex resumed>) = 0 [pid 6009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6008] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] <... futex resumed>) = 1 [pid 6003] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... mmap resumed>) = 0x7f708f746000 [pid 5998] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6008] <... futex resumed>) = 0 [pid 6007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] <... futex resumed>) = 0 [pid 6000] <... futex resumed>) = 0 [pid 5999] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6009] <... openat resumed>) = 6 [pid 6008] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6007] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6003] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... mprotect resumed>) = 0 [pid 6009] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... futex resumed>) = 0 [pid 6000] <... futex resumed>) = 1 [pid 5999] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6009] <... futex resumed>) = 1 [pid 6007] <... openat resumed>) = 4 [pid 6004] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6001] <... futex resumed>) = 0 [pid 6000] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6009] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6007] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6007] <... futex resumed>) = 1 [pid 6004] <... openat resumed>) = 4 [pid 6003] <... futex resumed>) = 0 [pid 6001] <... futex resumed>) = 0 [pid 6001] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] fdatasync(6 [pid 6003] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... futex resumed>) = 0 [pid 6003] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... clone3 resumed> => {parent_tid=[6010]}, 88) = 6010 [pid 5999] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5999] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5999] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6004] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6010 attached [pid 6004] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6007] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6010] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6009] <... fdatasync resumed>) = 0 [pid 6007] <... openat resumed>) = 5 [pid 6000] <... futex resumed>) = 0 [pid 6010] set_robust_list(0x7f708f7669a0, 24 [pid 6007] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... set_robust_list resumed>) = 0 [pid 6009] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] <... futex resumed>) = 1 [pid 6010] rt_sigprocmask(SIG_SETMASK, [], [pid 6003] <... futex resumed>) = 0 [pid 6000] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6009] <... futex resumed>) = 1 [pid 6007] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6006] <... write resumed>) = 843776 [pid 6004] <... futex resumed>) = 0 [pid 6003] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... futex resumed>) = 0 [pid 6000] <... futex resumed>) = 1 [pid 6010] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6009] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6006] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6003] <... futex resumed>) = 0 [pid 6001] exit_group(0 [pid 6010] <... openat resumed>) = 6 [pid 6009] <... futex resumed>) = ? [pid 6007] pwrite64(5, "2", 1, 134220897 [pid 6006] <... futex resumed>) = ? [pid 6004] <... openat resumed>) = 5 [pid 6003] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6001] <... exit_group resumed>) = ? [pid 6010] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] +++ exited with 0 +++ [pid 6007] <... pwrite64 resumed>) = 1 [pid 6004] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6004] <... futex resumed>) = 0 [pid 6000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6000] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6002] <... write resumed>) = 843776 [pid 6000] <... futex resumed>) = 0 [pid 6004] pwrite64(5, "2", 1, 134220897 [pid 6000] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... pwrite64 resumed>) = 1 [pid 6010] <... futex resumed>) = 1 [pid 6007] <... futex resumed>) = 1 [pid 6004] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... futex resumed>) = 0 [pid 5999] <... futex resumed>) = 0 [pid 6004] <... futex resumed>) = 1 [pid 6003] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... futex resumed>) = 0 [pid 6004] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] fdatasync(6 [pid 6007] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6003] <... futex resumed>) = 0 [pid 6000] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6003] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] <... futex resumed>) = 0 [pid 6004] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6002] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... fdatasync resumed>) = 0 [pid 5999] <... futex resumed>) = 0 [pid 5998] exit_group(0 [pid 6005] <... write resumed>) = 843776 [pid 6010] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... futex resumed>) = ? [pid 6005] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = ? [pid 5999] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] <... exit_group resumed>) = ? [pid 6010] <... futex resumed>) = 0 [pid 6008] +++ exited with 0 +++ [pid 6006] +++ exited with 0 +++ [pid 6005] <... futex resumed>) = 0 [pid 6002] +++ exited with 0 +++ [pid 6001] +++ exited with 0 +++ [pid 5999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6010] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] exit_group(0 [pid 6010] <... futex resumed>) = ? [pid 6005] <... futex resumed>) = ? [pid 5999] <... exit_group resumed>) = ? [pid 6010] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6001, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [ 219.049489][ T6006] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 219.084967][ T5998] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5998] +++ exited with 0 +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5998, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5858] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6003] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5858] getdents64(3, [pid 6003] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6003] <... futex resumed>) = 0 [pid 5858] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... restart_syscall resumed>) = 0 [pid 6003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6005] +++ exited with 0 +++ [pid 6003] <... mmap resumed>) = 0x7f708f746000 [pid 6000] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5999] +++ exited with 0 +++ [pid 5858] newfstatat(AT_FDCWD, "./9/binderfs", [pid 6007] <... write resumed>) = 843776 [pid 6003] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6000] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5999, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6007] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... mprotect resumed>) = 0 [pid 6000] <... futex resumed>) = 0 [pid 5858] unlink("./9/binderfs" [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6003] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6000] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] <... unlink resumed>) = 0 [pid 5855] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6007] <... futex resumed>) = 0 [pid 6003] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6000] <... mmap resumed>) = 0x7f708f746000 [pid 5858] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... openat resumed>) = 3 [pid 6007] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6000] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5855] newfstatat(3, "", [pid 6000] <... mprotect resumed>) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6003] <... clone3 resumed> => {parent_tid=[6011]}, 88) = 6011 [pid 6000] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5855] getdents64(3, [pid 6003] rt_sigprocmask(SIG_SETMASK, [], [pid 6000] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6000] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5855] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6012 attached [pid 6003] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6012] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6003] <... futex resumed>) = 0 [pid 6000] <... clone3 resumed> => {parent_tid=[6012]}, 88) = 6012 [pid 5855] newfstatat(AT_FDCWD, "./9/binderfs", ./strace-static-x86_64: Process 6011 attached [pid 6012] <... rseq resumed>) = 0 [pid 6003] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6012] set_robust_list(0x7f708f7669a0, 24 [pid 6000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] unlink("./9/binderfs" [pid 6012] <... set_robust_list resumed>) = 0 [pid 6000] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... unlink resumed>) = 0 [pid 6012] rt_sigprocmask(SIG_SETMASK, [], [pid 6000] <... futex resumed>) = 0 [pid 5859] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6000] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... openat resumed>) = 3 [pid 6012] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5859] newfstatat(3, "", [pid 6012] <... openat resumed>) = 6 [pid 6011] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6012] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... rseq resumed>) = 0 [pid 5859] getdents64(3, [pid 6012] <... futex resumed>) = 1 [ 219.099804][ T6005] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6011] set_robust_list(0x7f708f7669a0, 24 [pid 6000] <... futex resumed>) = 0 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6011] <... set_robust_list resumed>) = 0 [pid 6000] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... write resumed>) = 843776 [pid 5859] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6011] rt_sigprocmask(SIG_SETMASK, [], [pid 6012] fdatasync(6 [pid 6011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... futex resumed>) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6011] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6000] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] newfstatat(AT_FDCWD, "./9/binderfs", [pid 6003] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6003] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] unlink("./9/binderfs" [pid 6011] <... openat resumed>) = 6 [pid 6007] <... futex resumed>) = 0 [pid 6003] <... futex resumed>) = 1 [pid 5859] <... unlink resumed>) = 0 [pid 5859] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6003] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6011] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] fdatasync(-1 [pid 6011] <... futex resumed>) = 0 [pid 6011] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6007] <... fdatasync resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] <... futex resumed>) = 0 [pid 6007] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6003] <... futex resumed>) = 0 [pid 6007] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 219.160942][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 219.182435][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6003] exit_group(0 [pid 6011] <... futex resumed>) = ? [pid 6007] <... futex resumed>) = ? [pid 6003] <... exit_group resumed>) = ? [pid 6011] +++ exited with 0 +++ [pid 6007] +++ exited with 0 +++ [pid 6012] <... fdatasync resumed>) = 0 [pid 6003] +++ exited with 0 +++ [pid 5858] <... umount2 resumed>) = 0 [pid 6012] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6012] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6000] <... futex resumed>) = 0 [pid 5855] <... umount2 resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6003, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5858] newfstatat(AT_FDCWD, "./9/file0", [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... restart_syscall resumed>) = 0 [pid 6000] exit_group(0 [pid 5858] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6012] <... futex resumed>) = ? [pid 6004] <... futex resumed>) = ? [pid 6000] <... exit_group resumed>) = ? [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6012] +++ exited with 0 +++ [pid 6004] +++ exited with 0 +++ [pid 5858] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 219.212014][ T6003] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 219.238698][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5855] newfstatat(AT_FDCWD, "./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] <... openat resumed>) = 4 [pid 5856] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] newfstatat(4, "", [pid 5856] <... openat resumed>) = 3 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] newfstatat(3, "", [pid 5858] getdents64(4, [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] <... umount2 resumed>) = 0 [pid 5856] getdents64(3, [pid 6000] +++ exited with 0 +++ [pid 5859] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] getdents64(4, [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6000, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5856] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(AT_FDCWD, "./9/file0", [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] close(4 [pid 5856] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5855] <... openat resumed>) = 4 [pid 5859] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] <... close resumed>) = 0 [pid 5857] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] newfstatat(4, "", [pid 5858] rmdir("./9/file0" [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] unlink("./9/binderfs" [pid 5857] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] getdents64(4, [pid 5859] <... openat resumed>) = 4 [pid 5856] <... unlink resumed>) = 0 [pid 5859] newfstatat(4, "", [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] getdents64(4, [pid 5858] <... rmdir resumed>) = 0 [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] <... openat resumed>) = 3 [pid 5856] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] getdents64(4, [pid 5859] getdents64(4, [pid 5857] newfstatat(3, "", [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] getdents64(3, [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] close(4 [pid 5859] close(4 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] getdents64(3, [pid 5855] <... close resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5858] close(3 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] rmdir("./9/file0" [pid 5858] <... close resumed>) = 0 [pid 5857] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] rmdir("./9/file0" [pid 5858] rmdir("./9" [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... rmdir resumed>) = 0 [pid 5858] <... rmdir resumed>) = 0 [pid 5857] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] <... rmdir resumed>) = 0 [pid 5859] getdents64(3, [pid 5857] unlink("./9/binderfs" [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] mkdir("./10", 0777 [pid 5857] <... unlink resumed>) = 0 [pid 5855] getdents64(3, [pid 5859] close(3 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5859] <... close resumed>) = 0 [pid 5858] <... mkdir resumed>) = 0 [pid 5855] close(3 [pid 5859] rmdir("./9" [pid 5857] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... close resumed>) = 0 [pid 5859] <... rmdir resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5855] rmdir("./9" [pid 5859] mkdir("./10", 0777 [pid 5858] <... openat resumed>) = 3 [pid 5855] <... rmdir resumed>) = 0 [ 219.259203][ T6000] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5855] mkdir("./10", 0777 [pid 5859] <... mkdir resumed>) = 0 [pid 5858] ioctl(3, LOOP_CLR_FD) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5855] <... mkdir resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5859] ioctl(3, LOOP_CLR_FD) = 0 [pid 5859] close(3) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5855] ioctl(3, LOOP_CLR_FD) = 0 [pid 5855] close(3 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] close(3 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6013 ./strace-static-x86_64: Process 6013 attached [pid 6013] set_robust_list(0x55559362e6a0, 24 [pid 5856] <... umount2 resumed>) = 0 [pid 6013] <... set_robust_list resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 6013] chdir("./10" [pid 5856] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5856] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] close(4) = 0 [pid 5856] rmdir("./9/file0" [pid 6013] <... chdir resumed>) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] <... rmdir resumed>) = 0 [ 219.327582][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 219.353632][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5855] <... close resumed>) = 0 ./strace-static-x86_64: Process 6014 attached [pid 6013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6014 [pid 5856] getdents64(3, [pid 6013] <... prctl resumed>) = 0 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 5856] rmdir("./9" [pid 6014] set_robust_list(0x55559362e6a0, 24 [pid 5856] <... rmdir resumed>) = 0 [pid 6014] <... set_robust_list resumed>) = 0 [pid 5856] mkdir("./10", 0777 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6014] chdir("./10" [pid 6013] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6015 attached [pid 6014] <... chdir resumed>) = 0 [pid 6013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] <... umount2 resumed>) = 0 [pid 6014] <... prctl resumed>) = 0 [pid 6014] setpgid(0, 0) = 0 [pid 6014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6015 [pid 6014] <... openat resumed>) = 3 [pid 5857] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6014] write(3, "1000", 4 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6014] <... write resumed>) = 4 [pid 5857] newfstatat(AT_FDCWD, "./9/file0", [pid 5856] <... mkdir resumed>) = 0 [pid 6014] close(3) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6014] symlink("/dev/binderfs", "./binderfs" [pid 5857] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6014] <... symlink resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6014] write(1, "executing program\n", 18 [pid 6013] <... openat resumed>) = 3 [pid 5857] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] <... openat resumed>) = 3 executing program [pid 6014] <... write resumed>) = 18 [pid 5857] <... openat resumed>) = 4 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 6014] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] newfstatat(4, "", [pid 5856] <... ioctl resumed>) = 0 [pid 6014] <... futex resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] close(3 [pid 6015] set_robust_list(0x55559362e6a0, 24 [pid 6014] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6013] write(3, "1000", 4 [pid 6015] <... set_robust_list resumed>) = 0 [pid 6013] <... write resumed>) = 4 [pid 6013] close(3 [pid 5857] getdents64(4, [pid 6015] chdir("./10" [pid 6014] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6013] <... close resumed>) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6015] <... chdir resumed>) = 0 [pid 6014] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6013] symlink("/dev/binderfs", "./binderfs" [pid 6015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] getdents64(4, [pid 5856] <... close resumed>) = 0 [pid 6014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6013] <... symlink resumed>) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6014] <... mmap resumed>) = 0x7f708f767000 [pid 5857] close(4 [pid 6014] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5857] <... close resumed>) = 0 [pid 6014] <... mprotect resumed>) = 0 [pid 5857] rmdir("./9/file0" [pid 6014] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5857] <... rmdir resumed>) = 0 [pid 6014] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5857] getdents64(3, [pid 6014] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6016 attached [pid 5857] close(3) = 0 [pid 5857] rmdir("./9" [pid 6014] <... clone3 resumed> => {parent_tid=[6016]}, 88) = 6016 [pid 5857] <... rmdir resumed>) = 0 [pid 6016] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6014] rt_sigprocmask(SIG_SETMASK, [], [pid 6016] <... rseq resumed>) = 0 [pid 6014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] mkdir("./10", 0777 [pid 6016] set_robust_list(0x7f708f7879a0, 24 [pid 6014] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... set_robust_list resumed>) = 0 [pid 6014] <... futex resumed>) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6016] rt_sigprocmask(SIG_SETMASK, [], [pid 6014] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6013] write(1, "executing program\n", 18 [pid 5857] <... mkdir resumed>) = 0 [pid 6016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6015] <... prctl resumed>) = 0 [pid 6013] <... write resumed>) = 18 [pid 6016] memfd_create("syzkaller", 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6016] <... memfd_create resumed>) = 3 [pid 5857] <... openat resumed>) = 3 [pid 6016] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5857] ioctl(3, LOOP_CLR_FD) = 0 [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6017 ./strace-static-x86_64: Process 6017 attached [pid 6015] setpgid(0, 0 [pid 6013] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... setpgid resumed>) = 0 [pid 6017] set_robust_list(0x55559362e6a0, 24 [pid 6013] <... futex resumed>) = 0 [pid 6017] <... set_robust_list resumed>) = 0 [pid 6015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6013] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5857] close(3 [pid 6013] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6017] chdir("./10" [pid 6015] <... openat resumed>) = 3 [pid 6013] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6015] write(3, "1000", 4 [pid 6017] <... chdir resumed>) = 0 [pid 6013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6015] <... write resumed>) = 4 [pid 6013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6015] close(3 [pid 6013] <... mmap resumed>) = 0x7f708f767000 [pid 6017] <... prctl resumed>) = 0 [pid 6015] <... close resumed>) = 0 [pid 6013] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6015] symlink("/dev/binderfs", "./binderfs" [pid 6013] <... mprotect resumed>) = 0 executing program [pid 6015] <... symlink resumed>) = 0 [pid 6013] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6017] setpgid(0, 0 [pid 6015] write(1, "executing program\n", 18 [pid 6013] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6017] <... setpgid resumed>) = 0 [pid 6015] <... write resumed>) = 18 [pid 6013] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6018 attached [pid 6017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6015] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... close resumed>) = 0 [pid 6015] <... futex resumed>) = 0 [pid 6013] <... clone3 resumed> => {parent_tid=[6018]}, 88) = 6018 [pid 6015] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6013] rt_sigprocmask(SIG_SETMASK, [], [pid 6015] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6015] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6013] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6013] <... futex resumed>) = 0 [pid 6016] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6018] <... rseq resumed>) = 0 [pid 6017] <... openat resumed>) = 3 [pid 6015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6013] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6018] set_robust_list(0x7f708f7879a0, 24 [pid 6015] <... mmap resumed>) = 0x7f708f767000 [pid 6018] <... set_robust_list resumed>) = 0 [pid 6018] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6017] write(3, "1000", 4 [pid 6015] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6018] memfd_create("syzkaller", 0 [pid 6017] <... write resumed>) = 4 [pid 6015] <... mprotect resumed>) = 0 [pid 6018] <... memfd_create resumed>) = 3 [pid 6015] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6018] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6017] close(3 [pid 6015] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6018] <... mmap resumed>) = 0x7f7087200000 [pid 6017] <... close resumed>) = 0 [pid 6015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6020 attached ./strace-static-x86_64: Process 6019 attached [pid 6017] symlink("/dev/binderfs", "./binderfs" [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6019 [pid 6019] set_robust_list(0x55559362e6a0, 24) = 0 [pid 6019] chdir("./10") = 0 [pid 6019] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6018] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6019] <... prctl resumed>) = 0 [pid 6019] setpgid(0, 0) = 0 [pid 6019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 6020] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6019] write(3, "1000", 4 [pid 6017] <... symlink resumed>) = 0 [pid 6015] <... clone3 resumed> => {parent_tid=[6020]}, 88) = 6020 [pid 6020] <... rseq resumed>) = 0 [pid 6017] write(1, "executing program\n", 18 [pid 6020] set_robust_list(0x7f708f7879a0, 24 [pid 6017] <... write resumed>) = 18 [pid 6015] rt_sigprocmask(SIG_SETMASK, [], [pid 6020] <... set_robust_list resumed>) = 0 [pid 6017] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] rt_sigprocmask(SIG_SETMASK, [], [pid 6019] <... write resumed>) = 4 [pid 6017] <... futex resumed>) = 0 [pid 6016] <... write resumed>) = 1048576 [pid 6015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6019] close(3) = 0 executing program [pid 6020] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6019] symlink("/dev/binderfs", "./binderfs" [pid 6017] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6015] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] memfd_create("syzkaller", 0 [pid 6019] <... symlink resumed>) = 0 [pid 6017] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6015] <... futex resumed>) = 0 [pid 6019] write(1, "executing program\n", 18) = 18 [pid 6019] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6019] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6016] munmap(0x7f7087200000, 138412032 [pid 6020] <... memfd_create resumed>) = 3 [pid 6019] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6017] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6015] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6020] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6017] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6016] <... munmap resumed>) = 0 [pid 6017] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6020] <... mmap resumed>) = 0x7f7087200000 [pid 6019] <... mmap resumed>) = 0x7f708f767000 [pid 6019] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6017] <... mmap resumed>) = 0x7f708f767000 [pid 6017] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6019] <... mprotect resumed>) = 0 [pid 6016] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6019] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6017] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6016] <... openat resumed>) = 4 [pid 6017] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6016] ioctl(4, LOOP_SET_FD, 3 [pid 6020] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6017] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6019] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6019] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6017] <... clone3 resumed> => {parent_tid=[6021]}, 88) = 6021 ./strace-static-x86_64: Process 6021 attached [pid 6017] rt_sigprocmask(SIG_SETMASK, [], [pid 6018] <... write resumed>) = 1048576 ./strace-static-x86_64: Process 6022 attached [pid 6021] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6019] <... clone3 resumed> => {parent_tid=[6022]}, 88) = 6022 [pid 6017] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6016] <... ioctl resumed>) = 0 [pid 6022] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6019] rt_sigprocmask(SIG_SETMASK, [], [pid 6017] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] close(3 [pid 6022] <... rseq resumed>) = 0 [pid 6021] <... rseq resumed>) = 0 [pid 6019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6018] munmap(0x7f7087200000, 138412032 [pid 6017] <... futex resumed>) = 0 [pid 6016] <... close resumed>) = 0 [pid 6022] set_robust_list(0x7f708f7879a0, 24 [pid 6021] set_robust_list(0x7f708f7879a0, 24 [pid 6019] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6016] close(4 [pid 6018] <... munmap resumed>) = 0 [pid 6022] <... set_robust_list resumed>) = 0 [pid 6021] <... set_robust_list resumed>) = 0 [pid 6019] <... futex resumed>) = 0 [pid 6016] <... close resumed>) = 0 [pid 6022] rt_sigprocmask(SIG_SETMASK, [], [pid 6021] rt_sigprocmask(SIG_SETMASK, [], [pid 6019] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6018] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6016] mkdir("./file0", 0777 [pid 6022] memfd_create("syzkaller", 0) = 3 [pid 6021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6018] <... openat resumed>) = 4 [pid 6016] <... mkdir resumed>) = 0 [pid 6022] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6021] memfd_create("syzkaller", 0 [pid 6018] ioctl(4, LOOP_SET_FD, 3 [pid 6021] <... memfd_create resumed>) = 3 [ 219.549316][ T6016] loop3: detected capacity change from 0 to 2048 [pid 6016] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6021] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6018] <... ioctl resumed>) = 0 [pid 6021] <... mmap resumed>) = 0x7f7087200000 [pid 6022] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6020] <... write resumed>) = 1048576 [pid 6021] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6020] munmap(0x7f7087200000, 138412032 [pid 6018] close(3) = 0 [pid 6018] close(4 [pid 6022] <... write resumed>) = 1048576 [pid 6020] <... munmap resumed>) = 0 [pid 6018] <... close resumed>) = 0 [pid 6022] munmap(0x7f7087200000, 138412032 [pid 6018] mkdir("./file0", 0777) = 0 [pid 6021] <... write resumed>) = 1048576 [pid 6022] <... munmap resumed>) = 0 [pid 6021] munmap(0x7f7087200000, 138412032 [pid 6020] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6018] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6022] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6021] <... munmap resumed>) = 0 [pid 6022] <... openat resumed>) = 4 [pid 6021] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6020] <... openat resumed>) = 4 [pid 6022] ioctl(4, LOOP_SET_FD, 3 [pid 6020] ioctl(4, LOOP_SET_FD, 3 [pid 6021] <... openat resumed>) = 4 [ 219.592993][ T6018] loop4: detected capacity change from 0 to 2048 [ 219.605871][ T6016] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 219.623289][ T6016] UDF-fs: Scanning with blocksize 512 failed [pid 6021] ioctl(4, LOOP_SET_FD, 3 [pid 6016] <... mount resumed>) = 0 [pid 6016] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6016] chdir("./file0") = 0 [pid 6016] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6016] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6014] <... futex resumed>) = 0 [pid 6016] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6014] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6014] <... futex resumed>) = 0 [pid 6016] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6014] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] <... ioctl resumed>) = 0 [pid 6021] <... ioctl resumed>) = 0 [pid 6020] <... ioctl resumed>) = 0 [pid 6016] <... openat resumed>) = 4 [pid 6022] close(3 [pid 6021] close(3 [pid 6016] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... close resumed>) = 0 [pid 6021] <... close resumed>) = 0 [pid 6016] <... futex resumed>) = 1 [pid 6022] close(4 [pid 6021] close(4 [pid 6016] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] <... close resumed>) = 0 [pid 6014] <... futex resumed>) = 0 [pid 6014] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... futex resumed>) = 0 [pid 6014] <... futex resumed>) = 1 [pid 6016] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6014] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] <... openat resumed>) = 5 [pid 6016] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6014] <... futex resumed>) = 0 [pid 6016] pwrite64(5, "2", 1, 134220897 [pid 6014] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... pwrite64 resumed>) = 1 [pid 6014] <... futex resumed>) = 0 [pid 6016] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] <... futex resumed>) = 0 [pid 6014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6016] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6014] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6021] mkdir("./file0", 0777 [pid 6022] <... close resumed>) = 0 [pid 6014] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6021] <... mkdir resumed>) = 0 [pid 6022] mkdir("./file0", 0777 [pid 6021] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6022] <... mkdir resumed>) = 0 [pid 6022] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6020] close(3) = 0 [ 219.665123][ T6021] loop1: detected capacity change from 0 to 2048 [ 219.666365][ T6016] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 219.672451][ T6018] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 219.688949][ T6022] loop2: detected capacity change from 0 to 2048 [ 219.696424][ T6020] loop0: detected capacity change from 0 to 2048 [ 219.704203][ T6018] UDF-fs: Scanning with blocksize 512 failed [pid 6020] close(4) = 0 [pid 6020] mkdir("./file0", 0777) = 0 [ 219.729680][ T6022] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 219.737292][ T6021] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 219.748889][ T6018] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 219.752360][ T6022] UDF-fs: Scanning with blocksize 512 failed [ 219.759264][ T6021] UDF-fs: Scanning with blocksize 512 failed [pid 6020] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6014] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6014] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6014] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6014] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6014] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6023 attached [pid 6018] <... mount resumed>) = 0 [pid 6014] <... clone3 resumed> => {parent_tid=[6023]}, 88) = 6023 [pid 6018] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6014] rt_sigprocmask(SIG_SETMASK, [], [pid 6018] <... openat resumed>) = 3 [pid 6014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6014] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6023] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6014] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] <... rseq resumed>) = 0 [pid 6018] chdir("./file0" [pid 6023] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6018] <... chdir resumed>) = 0 [pid 6023] rt_sigprocmask(SIG_SETMASK, [], [pid 6018] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6018] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6023] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6018] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... openat resumed>) = 6 [pid 6018] <... futex resumed>) = 1 [pid 6013] <... futex resumed>) = 0 [pid 6023] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6013] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = 1 [pid 6014] <... futex resumed>) = 0 [pid 6023] fdatasync(6 [pid 6018] <... openat resumed>) = 4 [pid 6014] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6018] <... futex resumed>) = 0 [pid 6018] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6014] <... futex resumed>) = 0 [pid 6013] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] <... openat resumed>) = 5 [pid 6013] <... futex resumed>) = 0 [pid 6013] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6013] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] pwrite64(5, "2", 1, 134220897 [pid 6023] <... fdatasync resumed>) = 0 [pid 6023] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] <... pwrite64 resumed>) = 1 [pid 6013] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = 1 [pid 6018] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... futex resumed>) = 0 [pid 6013] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6018] <... futex resumed>) = 0 [pid 6023] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6013] <... futex resumed>) = 0 [pid 6018] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [ 219.774971][ T6020] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 219.792405][ T6020] UDF-fs: Scanning with blocksize 512 failed [ 219.817141][ T6021] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6013] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6021] <... mount resumed>) = 0 [pid 6021] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6022] <... mount resumed>) = 0 [pid 6021] chdir("./file0" [pid 6022] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6022] chdir("./file0") = 0 [pid 6022] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6021] <... chdir resumed>) = 0 [pid 6021] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6022] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6021] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6022] <... futex resumed>) = 1 [pid 6021] <... futex resumed>) = 1 [pid 6020] <... mount resumed>) = 0 [pid 6019] <... futex resumed>) = 0 [pid 6017] <... futex resumed>) = 0 [pid 6013] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6017] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... futex resumed>) = 0 [pid 6021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6017] <... futex resumed>) = 0 [pid 6013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6021] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6017] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6020] <... openat resumed>) = 3 [pid 6019] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... mmap resumed>) = 0x7f708f746000 [ 219.840583][ T6022] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 219.844371][ T6020] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6022] <... openat resumed>) = 4 [pid 6021] <... openat resumed>) = 4 [pid 6020] chdir("./file0" [pid 6019] <... futex resumed>) = 0 [pid 6016] <... write resumed>) = 843776 [pid 6013] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6021] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... chdir resumed>) = 0 [pid 6013] <... mprotect resumed>) = 0 [pid 6021] <... futex resumed>) = 1 [pid 6017] <... futex resumed>) = 0 [pid 6017] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6021] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6020] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6017] <... futex resumed>) = 0 [pid 6013] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6022] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] <... openat resumed>) = 5 [pid 6020] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6019] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] <... write resumed>) = 843776 [pid 6017] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6024 attached [pid 6022] <... futex resumed>) = 0 [pid 6021] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6018] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6016] <... futex resumed>) = 0 [pid 6024] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6022] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] <... futex resumed>) = 0 [pid 6020] <... futex resumed>) = 1 [pid 6019] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] <... futex resumed>) = 0 [pid 6017] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] <... futex resumed>) = 0 [pid 6013] <... clone3 resumed> => {parent_tid=[6024]}, 88) = 6024 [pid 6024] <... rseq resumed>) = 0 [pid 6022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6021] pwrite64(5, "2", 1, 134220897 [pid 6020] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6019] <... futex resumed>) = 0 [pid 6018] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6017] <... futex resumed>) = 0 [pid 6015] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] exit_group(0 [pid 6013] rt_sigprocmask(SIG_SETMASK, [], [pid 6024] set_robust_list(0x7f708f7669a0, 24 [pid 6023] <... futex resumed>) = ? [pid 6022] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6021] <... pwrite64 resumed>) = 1 [pid 6020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6019] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6017] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] <... futex resumed>) = ? [pid 6015] <... futex resumed>) = 0 [pid 6014] <... exit_group resumed>) = ? [pid 6013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6024] <... set_robust_list resumed>) = 0 [pid 6023] +++ exited with 0 +++ [pid 6022] <... openat resumed>) = 5 [pid 6021] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6016] +++ exited with 0 +++ [pid 6015] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] rt_sigprocmask(SIG_SETMASK, [], [pid 6022] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] <... futex resumed>) = 1 [pid 6017] <... futex resumed>) = 0 [pid 6013] <... futex resumed>) = 0 [pid 6022] <... futex resumed>) = 1 [pid 6021] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6017] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6017] <... futex resumed>) = 0 [pid 6021] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6017] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] <... futex resumed>) = 0 [pid 6019] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... openat resumed>) = 4 [pid 6024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6022] <... futex resumed>) = 0 [pid 6019] <... futex resumed>) = 1 [pid 6014] +++ exited with 0 +++ [pid 6020] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6022] pwrite64(5, "2", 1, 134220897 [pid 6020] <... futex resumed>) = 1 [pid 6019] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] <... futex resumed>) = 0 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6014, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 6024] <... openat resumed>) = 6 [pid 6022] <... pwrite64 resumed>) = 1 [pid 6015] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... futex resumed>) = 0 [pid 6024] <... futex resumed>) = 1 [pid 6022] <... futex resumed>) = 1 [pid 6019] <... futex resumed>) = 0 [pid 6015] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] <... futex resumed>) = 0 [pid 6024] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6022] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6019] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6019] <... futex resumed>) = 0 [pid 6018] <... futex resumed>) = 0 [pid 6013] <... futex resumed>) = 1 [pid 6022] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6020] <... openat resumed>) = 5 [pid 6019] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] fdatasync(6 [pid 6013] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6020] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... futex resumed>) = 0 [pid 6015] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... futex resumed>) = 1 [pid 6015] <... futex resumed>) = 0 [pid 6020] pwrite64(5, "2", 1, 134220897 [pid 6015] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6020] <... pwrite64 resumed>) = 1 [pid 6018] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5858] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6020] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6020] <... futex resumed>) = 1 [pid 6018] <... futex resumed>) = 1 [pid 6015] <... futex resumed>) = 0 [pid 6013] <... futex resumed>) = 0 [pid 5858] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6020] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] exit_group(0 [pid 5858] <... openat resumed>) = 3 [pid 6024] <... futex resumed>) = ? [pid 6020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6018] <... futex resumed>) = ? [ 219.933462][ T6014] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6015] <... futex resumed>) = 0 [pid 6013] <... exit_group resumed>) = ? [pid 5858] newfstatat(3, "", [pid 6024] +++ exited with 0 +++ [pid 6020] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6018] +++ exited with 0 +++ [pid 6015] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6017] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6017] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5858] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6017] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6017] <... mmap resumed>) = 0x7f708f746000 [pid 5858] newfstatat(AT_FDCWD, "./10/binderfs", [pid 6017] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6017] <... mprotect resumed>) = 0 [pid 5858] unlink("./10/binderfs" [pid 6017] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6017] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6025]}, 88) = 6025 [pid 5858] <... unlink resumed>) = 0 [pid 6021] <... write resumed>) = 843776 ./strace-static-x86_64: Process 6025 attached [pid 6021] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6017] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6025] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6021] <... futex resumed>) = 0 [pid 6019] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6017] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] <... futex resumed>) = 0 [pid 6017] <... futex resumed>) = 0 [pid 6013] +++ exited with 0 +++ [pid 6019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6017] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6013, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 6019] <... mmap resumed>) = 0x7f708f746000 [pid 6025] <... rseq resumed>) = 0 [pid 6021] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6019] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6025] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6019] <... mprotect resumed>) = 0 [pid 6025] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6019] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6025] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6019] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6019] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6026 attached [pid 6025] <... openat resumed>) = 6 [pid 6015] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6019] <... clone3 resumed> => {parent_tid=[6026]}, 88) = 6026 [pid 6015] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] rt_sigprocmask(SIG_SETMASK, [], [pid 6015] <... futex resumed>) = 0 [pid 6019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6025] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6026] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6025] <... futex resumed>) = 1 [pid 6019] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... futex resumed>) = 0 [pid 6026] <... rseq resumed>) = 0 [pid 6015] <... mmap resumed>) = 0x7f708f746000 [pid 6017] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6019] <... futex resumed>) = 0 [pid 6021] <... futex resumed>) = 0 [pid 6019] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6017] <... futex resumed>) = 1 [pid 5859] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6026] set_robust_list(0x7f708f7669a0, 24 [pid 6021] fdatasync(6 [pid 6017] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... openat resumed>) = 3 [pid 6026] <... set_robust_list resumed>) = 0 [ 219.985275][ T6013] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6021] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5859] newfstatat(3, "", [pid 6026] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6026] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6026] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6019] <... futex resumed>) = 0 [pid 6019] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6019] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6026] fdatasync(6) = -1 EIO (Input/output error) [pid 6026] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6019] <... futex resumed>) = 0 [pid 6026] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6022] <... write resumed>) = 843776 [pid 6025] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6022] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] <... futex resumed>) = 1 [pid 6020] <... write resumed>) = 843776 [pid 6017] <... futex resumed>) = 0 [pid 6015] <... mprotect resumed>) = 0 [pid 5859] getdents64(3, [pid 6022] <... futex resumed>) = 0 [pid 6021] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6017] exit_group(0 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6025] <... futex resumed>) = ? [pid 6021] <... futex resumed>) = ? [pid 6017] <... exit_group resumed>) = ? [pid 6015] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6025] +++ exited with 0 +++ [pid 6021] +++ exited with 0 +++ [pid 6019] exit_group(0 [pid 6015] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6019] <... exit_group resumed>) = ? [pid 6015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5859] newfstatat(AT_FDCWD, "./10/binderfs", [pid 6026] <... futex resumed>) = ? ./strace-static-x86_64: Process 6027 attached [pid 6026] +++ exited with 0 +++ [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6027] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6015] <... clone3 resumed> => {parent_tid=[6027]}, 88) = 6027 [ 220.046420][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 220.082528][ T6017] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5859] unlink("./10/binderfs" [pid 6027] <... rseq resumed>) = 0 [pid 6017] +++ exited with 0 +++ [pid 6015] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... unlink resumed>) = 0 [pid 6027] set_robust_list(0x7f708f7669a0, 24 [pid 6015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6017, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 6027] <... set_robust_list resumed>) = 0 [pid 6015] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] rt_sigprocmask(SIG_SETMASK, [], [pid 6020] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... futex resumed>) = 0 [pid 6027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6015] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6020] <... futex resumed>) = 0 [pid 5856] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6020] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6027] <... openat resumed>) = 6 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6027] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6027] <... futex resumed>) = 1 [pid 6015] <... futex resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 6015] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] newfstatat(3, "", [pid 6020] <... futex resumed>) = 0 [pid 6027] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] <... futex resumed>) = 1 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6020] fdatasync(6) = -1 EIO (Input/output error) [pid 6015] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] getdents64(3, [pid 6020] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] <... futex resumed>) = 0 [pid 6015] exit_group(0 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6027] <... futex resumed>) = ? [pid 6015] <... exit_group resumed>) = ? [pid 6027] +++ exited with 0 +++ [pid 6020] +++ exited with 0 +++ [pid 5856] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6022] +++ exited with 0 +++ [pid 6019] +++ exited with 0 +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6019, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5857] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5857] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./10/binderfs") = 0 [pid 5857] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 220.085765][ T6022] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 220.114661][ T6015] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5856] newfstatat(AT_FDCWD, "./10/binderfs", [pid 6015] +++ exited with 0 +++ [pid 5858] <... umount2 resumed>) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./10/binderfs") = 0 [pid 5856] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./10/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5858] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] close(4) = 0 [pid 5858] rmdir("./10/file0") = 0 [pid 5858] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5858] rmdir("./10") = 0 [pid 5858] mkdir("./11", 0777) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD) = 0 [pid 5858] close(3 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6015, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5855] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 220.143670][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 220.147660][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5855] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... close resumed>) = 0 [pid 5857] <... umount2 resumed>) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... umount2 resumed>) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6028 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./10/binderfs" [pid 5857] newfstatat(AT_FDCWD, "./10/file0", ./strace-static-x86_64: Process 6028 attached [pid 5859] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... unlink resumed>) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] newfstatat(AT_FDCWD, "./10/file0", [pid 5855] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6028] set_robust_list(0x55559362e6a0, 24 [ 220.211964][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5857] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6028] <... set_robust_list resumed>) = 0 [pid 6028] chdir("./11") = 0 [pid 6028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6028] setpgid(0, 0) = 0 [pid 6028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] <... openat resumed>) = 4 [pid 6028] <... openat resumed>) = 3 [pid 6028] write(3, "1000", 4) = 4 [pid 6028] close(3) = 0 [pid 6028] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6028] write(1, "executing program\n", 18 [pid 5859] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] newfstatat(4, "", [pid 6028] <... write resumed>) = 18 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6028] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6028] <... futex resumed>) = 0 [pid 6028] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 5859] <... openat resumed>) = 4 [pid 5857] getdents64(4, [pid 5859] newfstatat(4, "", [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6028] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5859] getdents64(4, [pid 6028] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] getdents64(4, [pid 6028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6028] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5859] getdents64(4, [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6028] <... mprotect resumed>) = 0 [pid 6028] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6028] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5857] close(4 [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6029 attached [pid 5859] close(4 [pid 5857] <... close resumed>) = 0 [pid 6028] <... clone3 resumed> => {parent_tid=[6029]}, 88) = 6029 [pid 6028] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6028] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6028] <... futex resumed>) = 0 [pid 6029] <... rseq resumed>) = 0 [pid 6028] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6029] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6029] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6029] memfd_create("syzkaller", 0) = 3 [pid 6029] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6029] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5859] <... close resumed>) = 0 [pid 5857] rmdir("./10/file0" [pid 5859] rmdir("./10/file0" [pid 5856] <... umount2 resumed>) = 0 [pid 5856] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... rmdir resumed>) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] newfstatat(AT_FDCWD, "./10/file0", [pid 5859] getdents64(3, [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] close(3 [pid 5856] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] close(3 [pid 5857] <... close resumed>) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... close resumed>) = 0 [pid 5857] rmdir("./10" [pid 5856] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] rmdir("./10" [pid 5857] <... rmdir resumed>) = 0 [pid 5856] <... openat resumed>) = 4 [pid 5859] <... rmdir resumed>) = 0 [pid 5856] newfstatat(4, "", [pid 5859] mkdir("./11", 0777 [pid 5857] mkdir("./11", 0777 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] <... mkdir resumed>) = 0 [pid 5856] getdents64(4, [pid 5857] <... mkdir resumed>) = 0 [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5856] getdents64(4, [pid 5859] <... openat resumed>) = 3 [pid 5857] <... openat resumed>) = 3 [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] ioctl(3, LOOP_CLR_FD [pid 5856] close(4 [pid 5857] <... ioctl resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5857] close(3 [pid 5856] rmdir("./10/file0" [pid 5859] ioctl(3, LOOP_CLR_FD [pid 5857] <... close resumed>) = 0 [pid 5859] <... ioctl resumed>) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] <... rmdir resumed>) = 0 [ 220.283638][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5859] close(3./strace-static-x86_64: Process 6030 attached [pid 6029] <... write resumed>) = 1048576 [pid 5856] getdents64(3, [pid 5855] <... umount2 resumed>) = 0 [pid 6030] set_robust_list(0x55559362e6a0, 24 [pid 6029] munmap(0x7f7087200000, 138412032 [pid 6030] <... set_robust_list resumed>) = 0 [pid 6029] <... munmap resumed>) = 0 [pid 6030] chdir("./11") = 0 [pid 6030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6029] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6030 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] close(3 [pid 6030] <... prctl resumed>) = 0 [pid 6029] <... openat resumed>) = 4 [pid 5859] <... close resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6030] setpgid(0, 0 [pid 6029] ioctl(4, LOOP_SET_FD, 3 [pid 5856] rmdir("./10" [pid 5855] newfstatat(AT_FDCWD, "./10/file0", [pid 6030] <... setpgid resumed>) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] mkdir("./11", 0777./strace-static-x86_64: Process 6031 attached [pid 6030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... mkdir resumed>) = 0 [pid 5855] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6030] <... openat resumed>) = 3 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6031] set_robust_list(0x55559362e6a0, 24 [pid 6030] write(3, "1000", 4 [pid 6031] <... set_robust_list resumed>) = 0 [pid 6030] <... write resumed>) = 4 [pid 5855] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6030] close(3 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6031 [pid 5856] <... openat resumed>) = 3 [pid 6031] chdir("./11" [pid 6030] <... close resumed>) = 0 [pid 6029] <... ioctl resumed>) = 0 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 5855] <... openat resumed>) = 4 [pid 6031] <... chdir resumed>) = 0 [pid 6030] symlink("/dev/binderfs", "./binderfs" [pid 6029] close(3 [pid 5856] <... ioctl resumed>) = 0 [pid 5855] newfstatat(4, "", [pid 6031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6030] <... symlink resumed>) = 0 [pid 5856] close(3 [pid 6031] <... prctl resumed>) = 0 [pid 6029] <... close resumed>) = 0 [pid 6031] setpgid(0, 0 executing program [pid 6030] write(1, "executing program\n", 18 [pid 6029] close(4 [pid 6031] <... setpgid resumed>) = 0 [pid 6030] <... write resumed>) = 18 [pid 6029] <... close resumed>) = 0 [pid 6031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6030] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] mkdir("./file0", 0777executing program [pid 6031] <... openat resumed>) = 3 [pid 6030] <... futex resumed>) = 0 [pid 6029] <... mkdir resumed>) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6030] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6031] write(3, "1000", 4 [pid 6030] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6031] <... write resumed>) = 4 [pid 6030] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6031] close(3 [pid 6030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6031] <... close resumed>) = 0 [pid 6030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6029] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 5855] getdents64(4, [pid 6031] symlink("/dev/binderfs", "./binderfs" [pid 6030] <... mmap resumed>) = 0x7f708f767000 [pid 6031] <... symlink resumed>) = 0 [pid 6030] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6030] <... mprotect resumed>) = 0 [pid 5855] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] close(4 [pid 6031] write(1, "executing program\n", 18 [pid 6030] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5855] <... close resumed>) = 0 [pid 6031] <... write resumed>) = 18 [pid 6030] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] rmdir("./10/file0" [pid 6031] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6032 attached [pid 6031] <... futex resumed>) = 0 [pid 5855] <... rmdir resumed>) = 0 [pid 6031] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6032] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6031] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6030] <... clone3 resumed> => {parent_tid=[6032]}, 88) = 6032 [pid 6032] <... rseq resumed>) = 0 [pid 6031] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6030] rt_sigprocmask(SIG_SETMASK, [], [pid 6032] set_robust_list(0x7f708f7879a0, 24 [pid 6031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6032] <... set_robust_list resumed>) = 0 [pid 6031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6030] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] rt_sigprocmask(SIG_SETMASK, [], [pid 6031] <... mmap resumed>) = 0x7f708f767000 [pid 6030] <... futex resumed>) = 0 [pid 5855] getdents64(3, [pid 6030] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6032] memfd_create("syzkaller", 0 [pid 6031] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6031] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6032] <... memfd_create resumed>) = 3 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] <... close resumed>) = 0 [pid 6032] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] close(3 [pid 6031] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] <... close resumed>) = 0 [pid 6031] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6034 attached [pid 5855] rmdir("./10" [pid 6034] set_robust_list(0x55559362e6a0, 24 [pid 6031] <... clone3 resumed> => {parent_tid=[6033]}, 88) = 6033 [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6034 [pid 5855] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6033 attached [pid 6031] rt_sigprocmask(SIG_SETMASK, [], [pid 6034] <... set_robust_list resumed>) = 0 [pid 5855] mkdir("./11", 0777 [pid 6031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6031] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6031] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6033] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 [pid 6033] set_robust_list(0x7f708f7879a0, 24 [pid 5855] <... mkdir resumed>) = 0 [pid 6033] <... set_robust_list resumed>) = 0 [pid 6033] rt_sigprocmask(SIG_SETMASK, [], [pid 6034] chdir("./11" [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6033] memfd_create("syzkaller", 0) = 3 [pid 5855] <... openat resumed>) = 3 [ 220.362084][ T6029] loop3: detected capacity change from 0 to 2048 [ 220.398897][ T6029] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [pid 6034] <... chdir resumed>) = 0 [pid 6033] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 6034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6033] <... mmap resumed>) = 0x7f7087200000 [pid 5855] <... ioctl resumed>) = 0 [pid 5855] close(3 [pid 6034] <... prctl resumed>) = 0 [pid 6032] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5855] <... close resumed>) = 0 [pid 6033] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6034] setpgid(0, 0) = 0 [pid 6034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6034] write(3, "1000", 4) = 4 [pid 6034] close(3) = 0 [pid 6034] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6034] write(1, "executing program\n", 18) = 18 [pid 6034] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6034] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6034] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6035 attached ) = 0x7f708f767000 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6035 [ 220.430160][ T6029] UDF-fs: Scanning with blocksize 512 failed [pid 6034] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6032] <... write resumed>) = 1048576 [pid 6035] set_robust_list(0x55559362e6a0, 24 [pid 6034] <... mprotect resumed>) = 0 [pid 6033] <... write resumed>) = 1048576 [pid 6035] <... set_robust_list resumed>) = 0 [pid 6035] chdir("./11" [pid 6034] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6035] <... chdir resumed>) = 0 [pid 6032] munmap(0x7f7087200000, 138412032 [pid 6035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6033] munmap(0x7f7087200000, 138412032 [pid 6032] <... munmap resumed>) = 0 [pid 6035] <... prctl resumed>) = 0 [pid 6032] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6035] setpgid(0, 0 [pid 6032] <... openat resumed>) = 4 [pid 6035] <... setpgid resumed>) = 0 [pid 6032] ioctl(4, LOOP_SET_FD, 3 [pid 6033] <... munmap resumed>) = 0 [pid 6035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6034] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6034] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} => {parent_tid=[6036]}, 88) = 6036 [pid 6034] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6034] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6034] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6036 attached [pid 6035] <... openat resumed>) = 3 [pid 6034] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6033] <... openat resumed>) = 4 [pid 6036] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6035] write(3, "1000", 4 [pid 6036] <... rseq resumed>) = 0 [pid 6035] <... write resumed>) = 4 [pid 6036] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6035] close(3 [pid 6036] rt_sigprocmask(SIG_SETMASK, [], [pid 6035] <... close resumed>) = 0 [pid 6036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6035] symlink("/dev/binderfs", "./binderfs"executing program [pid 6036] memfd_create("syzkaller", 0 [pid 6035] <... symlink resumed>) = 0 [pid 6033] ioctl(4, LOOP_SET_FD, 3 [pid 6032] <... ioctl resumed>) = 0 [pid 6036] <... memfd_create resumed>) = 3 [pid 6035] write(1, "executing program\n", 18 [pid 6032] close(3 [pid 6029] <... mount resumed>) = 0 [pid 6036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6035] <... write resumed>) = 18 [pid 6032] <... close resumed>) = 0 [pid 6036] <... mmap resumed>) = 0x7f7087200000 [pid 6035] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] close(4 [pid 6029] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6035] <... futex resumed>) = 0 [pid 6036] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6035] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6032] <... close resumed>) = 0 [pid 6029] <... openat resumed>) = 3 [pid 6035] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6032] mkdir("./file0", 0777 [pid 6029] chdir("./file0" [pid 6032] <... mkdir resumed>) = 0 [pid 6029] <... chdir resumed>) = 0 [pid 6035] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6029] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6029] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6029] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... mmap resumed>) = 0x7f708f767000 [pid 6033] <... ioctl resumed>) = 0 [pid 6032] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6029] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 [pid 6035] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6033] close(3 [pid 6029] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6028] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... mprotect resumed>) = 0 [pid 6033] <... close resumed>) = 0 [pid 6029] <... openat resumed>) = 4 [pid 6028] <... futex resumed>) = 0 [pid 6035] rt_sigprocmask(SIG_BLOCK, ~[], [ 220.487707][ T6029] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 220.502429][ T6032] loop2: detected capacity change from 0 to 2048 [ 220.518551][ T6033] loop4: detected capacity change from 0 to 2048 [pid 6029] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6036] <... write resumed>) = 1048576 [pid 6035] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6033] close(4) = 0 [pid 6036] munmap(0x7f7087200000, 138412032 [pid 6033] mkdir("./file0", 0777 [pid 6035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6029] <... futex resumed>) = 0 [pid 6028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6037 attached [pid 6036] <... munmap resumed>) = 0 [pid 6033] <... mkdir resumed>) = 0 [pid 6029] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6028] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6035] <... clone3 resumed> => {parent_tid=[6037]}, 88) = 6037 [pid 6037] <... rseq resumed>) = 0 [pid 6029] <... openat resumed>) = 5 [pid 6028] <... futex resumed>) = 0 [pid 6035] rt_sigprocmask(SIG_SETMASK, [], [pid 6029] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6029] <... futex resumed>) = 0 [pid 6028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6035] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... futex resumed>) = 0 [pid 6029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] <... futex resumed>) = 0 [pid 6035] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6029] pwrite64(5, "2", 1, 134220897 [pid 6028] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] set_robust_list(0x7f708f7879a0, 24 [pid 6036] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6033] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6029] <... pwrite64 resumed>) = 1 [pid 6036] <... openat resumed>) = 4 [pid 6036] ioctl(4, LOOP_SET_FD, 3 [pid 6037] <... set_robust_list resumed>) = 0 [pid 6029] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] rt_sigprocmask(SIG_SETMASK, [], [pid 6029] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 [pid 6028] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6029] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6028] <... futex resumed>) = 0 [pid 6028] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] memfd_create("syzkaller", 0) = 3 [pid 6037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [ 220.555307][ T6032] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 220.572688][ T6032] UDF-fs: Scanning with blocksize 512 failed [ 220.576011][ T6036] loop1: detected capacity change from 0 to 2048 [pid 6036] <... ioctl resumed>) = 0 [pid 6036] close(3) = 0 [pid 6036] close(4) = 0 [pid 6036] mkdir("./file0", 0777) = 0 [pid 6037] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6036] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6028] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6028] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [ 220.602335][ T6033] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 220.602367][ T6032] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 220.625008][ T6033] UDF-fs: Scanning with blocksize 512 failed [ 220.646537][ T6036] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [pid 6037] <... write resumed>) = 1048576 [pid 6028] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6037] munmap(0x7f7087200000, 138412032 [pid 6032] <... mount resumed>) = 0 [pid 6028] <... mprotect resumed>) = 0 [pid 6028] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6028] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6038 attached [pid 6037] <... munmap resumed>) = 0 [pid 6032] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6028] <... clone3 resumed> => {parent_tid=[6038]}, 88) = 6038 [pid 6038] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6032] <... openat resumed>) = 3 [pid 6028] rt_sigprocmask(SIG_SETMASK, [], [pid 6038] <... rseq resumed>) = 0 [pid 6032] chdir("./file0" [pid 6028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6038] set_robust_list(0x7f708f7669a0, 24 [pid 6032] <... chdir resumed>) = 0 [pid 6038] <... set_robust_list resumed>) = 0 [pid 6028] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] rt_sigprocmask(SIG_SETMASK, [], [pid 6037] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6032] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6028] <... futex resumed>) = 0 [pid 6038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6028] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6038] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6032] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6038] <... openat resumed>) = 6 [pid 6037] <... openat resumed>) = 4 [pid 6032] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6037] ioctl(4, LOOP_SET_FD, 3 [pid 6032] <... futex resumed>) = 1 [pid 6030] <... futex resumed>) = 0 [pid 6028] <... futex resumed>) = 0 [pid 6038] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6033] <... mount resumed>) = 0 [pid 6032] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6030] <... futex resumed>) = 0 [pid 6028] <... futex resumed>) = 0 [pid 6028] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6033] chdir("./file0" [pid 6032] <... openat resumed>) = 4 [pid 6038] fdatasync(6 [pid 6033] <... chdir resumed>) = 0 [pid 6033] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6033] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6032] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... futex resumed>) = 0 [pid 6038] <... fdatasync resumed>) = 0 [pid 6033] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6031] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 220.658762][ T6036] UDF-fs: Scanning with blocksize 512 failed [ 220.667455][ T6033] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 220.685904][ T6037] loop0: detected capacity change from 0 to 2048 [pid 6032] <... futex resumed>) = 1 [pid 6030] <... futex resumed>) = 0 [pid 6038] <... futex resumed>) = 1 [pid 6033] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6032] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6031] <... futex resumed>) = 0 [pid 6028] <... futex resumed>) = 0 [pid 6037] <... ioctl resumed>) = 0 [pid 6030] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... write resumed>) = 843776 [pid 6038] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6037] close(3 [pid 6032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6031] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] <... futex resumed>) = 0 [pid 6029] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... close resumed>) = 0 [pid 6032] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6030] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] <... futex resumed>) = 0 [pid 6037] close(4 [pid 6032] <... openat resumed>) = 5 [pid 6029] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6037] <... close resumed>) = 0 [pid 6032] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] exit_group(0 [pid 6038] <... futex resumed>) = ? [pid 6037] mkdir("./file0", 0777 [pid 6032] <... futex resumed>) = 1 [pid 6030] <... futex resumed>) = 0 [pid 6029] <... futex resumed>) = ? [pid 6028] <... exit_group resumed>) = ? [pid 6038] +++ exited with 0 +++ [pid 6037] <... mkdir resumed>) = 0 [pid 6033] <... openat resumed>) = 4 [pid 6032] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] +++ exited with 0 +++ [pid 6033] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... futex resumed>) = 0 [pid 6030] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6032] pwrite64(5, "2", 1, 134220897 [pid 6033] <... futex resumed>) = 1 [pid 6032] <... pwrite64 resumed>) = 1 [pid 6033] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6031] <... futex resumed>) = 0 [pid 6031] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6031] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6032] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6030] <... futex resumed>) = 0 [pid 6033] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6030] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6030] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6033] <... openat resumed>) = 5 [pid 6033] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6033] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6031] <... futex resumed>) = 0 [pid 6036] <... mount resumed>) = 0 [pid 6031] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6033] <... futex resumed>) = 0 [pid 6031] <... futex resumed>) = 1 [pid 6036] <... openat resumed>) = 3 [pid 6033] pwrite64(5, "2", 1, 134220897 [ 220.711467][ T6036] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 220.718944][ T6028] UDF-fs: warning (device loop3): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 220.750753][ T6028] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6031] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6036] chdir("./file0" [pid 6033] <... pwrite64 resumed>) = 1 [pid 6028] +++ exited with 0 +++ [pid 6036] <... chdir resumed>) = 0 [pid 6033] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6033] <... futex resumed>) = 1 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6028, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 6036] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6033] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6031] <... futex resumed>) = 0 [pid 5858] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6036] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6036] <... futex resumed>) = 1 [pid 6034] <... futex resumed>) = 0 [pid 6031] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6036] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... futex resumed>) = 1 [pid 6036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6033] <... futex resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 6036] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6033] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5858] newfstatat(3, "", [pid 6036] <... openat resumed>) = 4 [pid 6034] <... futex resumed>) = 0 [pid 6031] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6036] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... futex resumed>) = 0 [pid 6034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] <... futex resumed>) = 0 [pid 5858] getdents64(3, [pid 6036] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6034] <... futex resumed>) = 0 [pid 6030] <... mmap resumed>) = 0x7f708f746000 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6036] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 5858] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6036] <... openat resumed>) = 5 [pid 6034] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6036] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6036] <... futex resumed>) = 0 [pid 5858] newfstatat(AT_FDCWD, "./11/binderfs", [pid 6036] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] <... mprotect resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6034] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6036] <... futex resumed>) = 0 [pid 6034] <... futex resumed>) = 1 [pid 6030] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6036] pwrite64(5, "2", 1, 134220897 [pid 6034] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6039 attached [pid 6036] <... pwrite64 resumed>) = 1 [pid 6036] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6034] <... futex resumed>) = 0 [pid 6030] <... clone3 resumed> => {parent_tid=[6039]}, 88) = 6039 [pid 6036] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] unlink("./11/binderfs" [pid 6034] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] rt_sigprocmask(SIG_SETMASK, [], [pid 6034] <... futex resumed>) = 1 [pid 6030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6036] <... futex resumed>) = 0 [pid 6034] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6030] <... futex resumed>) = 0 [pid 6039] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6030] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] <... rseq resumed>) = 0 [pid 6039] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6039] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 220.763141][ T6037] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 220.770822][ T6037] UDF-fs: Scanning with blocksize 512 failed [pid 6039] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5858] <... unlink resumed>) = 0 [pid 6039] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6030] <... futex resumed>) = 0 [pid 6030] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6030] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] fdatasync(6) = 0 [pid 6039] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6030] <... futex resumed>) = 0 [pid 6039] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6037] <... mount resumed>) = 0 [pid 6037] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6037] chdir("./file0") = 0 [pid 6037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6037] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6035] <... futex resumed>) = 0 [pid 6037] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6035] <... futex resumed>) = 0 [pid 6031] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6037] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6035] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... openat resumed>) = 4 [pid 6031] <... futex resumed>) = 0 [pid 6037] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6037] <... futex resumed>) = 1 [pid 6035] <... futex resumed>) = 0 [pid 6031] <... mmap resumed>) = 0x7f708f746000 [pid 6037] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6035] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6037] <... openat resumed>) = 5 [pid 6035] <... futex resumed>) = 0 [pid 6031] <... mprotect resumed>) = 0 [pid 6037] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6037] <... futex resumed>) = 0 [pid 6035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6031] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6037] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6035] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6040 attached [pid 6037] pwrite64(5, "2", 1, 134220897 [pid 6035] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6034] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6031] <... clone3 resumed> => {parent_tid=[6040]}, 88) = 6040 [pid 6037] <... pwrite64 resumed>) = 1 [pid 6034] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] rt_sigprocmask(SIG_SETMASK, [], [pid 6040] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6037] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... futex resumed>) = 0 [pid 6031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6040] <... rseq resumed>) = 0 [pid 6037] <... futex resumed>) = 1 [pid 6035] <... futex resumed>) = 0 [pid 6034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6031] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] set_robust_list(0x7f708f7669a0, 24 [pid 6035] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... mmap resumed>) = 0x7f708f746000 [pid 6031] <... futex resumed>) = 0 [pid 6040] <... set_robust_list resumed>) = 0 [pid 6035] <... futex resumed>) = 0 [pid 6034] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6031] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6040] rt_sigprocmask(SIG_SETMASK, [], [pid 6037] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6035] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6034] <... mprotect resumed>) = 0 [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6034] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6040] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6034] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6041 attached [pid 6040] <... openat resumed>) = 6 [pid 6034] <... clone3 resumed> => {parent_tid=[6041]}, 88) = 6041 [pid 6032] <... write resumed>) = 843776 [ 220.818284][ T6037] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6041] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6040] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] rt_sigprocmask(SIG_SETMASK, [], [pid 6041] <... rseq resumed>) = 0 [pid 6040] <... futex resumed>) = 1 [pid 6034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6031] <... futex resumed>) = 0 [pid 6041] set_robust_list(0x7f708f7669a0, 24 [pid 6040] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... set_robust_list resumed>) = 0 [pid 6041] rt_sigprocmask(SIG_SETMASK, [], [pid 6034] <... futex resumed>) = 0 [pid 6030] exit_group(0 [pid 6041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6039] <... futex resumed>) = ? [pid 6034] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] <... exit_group resumed>) = ? [pid 6041] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6039] +++ exited with 0 +++ [pid 6041] <... openat resumed>) = 6 [pid 6032] <... futex resumed>) = ? [pid 6041] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6031] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] fdatasync(6 [pid 6031] <... futex resumed>) = 0 [pid 6041] <... futex resumed>) = 1 [pid 6041] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] <... futex resumed>) = 0 [pid 6034] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6041] <... futex resumed>) = 0 [pid 6041] fdatasync(6 [pid 6034] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] <... write resumed>) = 843776 [pid 6031] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] <... fdatasync resumed>) = 0 [ 220.882858][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [ 220.897540][ T6032] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6040] <... fdatasync resumed>) = 0 [pid 6036] <... write resumed>) = 843776 [pid 6035] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6033] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... futex resumed>) = 1 [pid 6035] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... futex resumed>) = 0 [pid 6031] <... futex resumed>) = 0 [pid 6040] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6031] exit_group(0 [pid 6041] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = ? [pid 6035] <... futex resumed>) = 0 [pid 6031] <... exit_group resumed>) = ? [pid 6040] +++ exited with 0 +++ [pid 6033] +++ exited with 0 +++ [pid 6041] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6034] <... futex resumed>) = 0 [pid 6035] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6035] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6042]}, 88) = 6042 [pid 6035] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6035] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6035] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] +++ exited with 0 +++ [pid 6030] +++ exited with 0 +++ ./strace-static-x86_64: Process 6042 attached [pid 6036] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] +++ exited with 0 +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6030, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6042] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6036] <... futex resumed>) = 0 [pid 6042] <... rseq resumed>) = 0 [pid 6036] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 5857] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6042] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6042] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6034] exit_group(0 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6031, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5857] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6041] <... futex resumed>) = ? [pid 6034] <... exit_group resumed>) = ? [pid 6042] <... openat resumed>) = 6 [pid 6041] +++ exited with 0 +++ [pid 6036] <... futex resumed>) = ? [pid 5857] <... openat resumed>) = 3 [pid 5859] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6036] +++ exited with 0 +++ [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(3, "", [pid 5859] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5859] newfstatat(3, "", [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] getdents64(3, [pid 5857] getdents64(3, [pid 6042] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6042] <... futex resumed>) = 1 [pid 6035] <... futex resumed>) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6035] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] newfstatat(AT_FDCWD, "./11/binderfs", [pid 6035] <... futex resumed>) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6042] fdatasync(6 [pid 6035] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] unlink("./11/binderfs" [pid 6042] <... fdatasync resumed>) = 0 [pid 5858] <... umount2 resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6042] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] newfstatat(AT_FDCWD, "./11/binderfs", [pid 6042] <... futex resumed>) = 1 [pid 6035] <... futex resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6042] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] newfstatat(AT_FDCWD, "./11/file0", [pid 5857] unlink("./11/binderfs" [pid 6037] <... write resumed>) = 843776 [pid 5859] <... unlink resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... unlink resumed>) = 0 [pid 5857] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 220.929130][ T6031] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 220.957036][ T6034] UDF-fs: warning (device loop1): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [pid 5858] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6037] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] +++ exited with 0 +++ [pid 5859] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6034, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5856] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] <... openat resumed>) = 4 [pid 5856] newfstatat(3, "", [pid 6037] <... futex resumed>) = 0 [pid 6035] exit_group(0 [pid 5858] newfstatat(4, "", [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6042] <... futex resumed>) = ? [pid 6035] <... exit_group resumed>) = ? [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, [pid 6042] +++ exited with 0 +++ [pid 6037] +++ exited with 0 +++ [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] getdents64(4, [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5858] getdents64(4, [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] unlink("./11/binderfs" [pid 5858] close(4 [pid 5856] <... unlink resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5856] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] rmdir("./11/file0") = 0 [pid 5858] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5858] rmdir("./11") = 0 [pid 5858] mkdir("./12", 0777) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [ 220.981019][ T6034] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 221.010278][ T6035] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5858] ioctl(3, LOOP_CLR_FD) = 0 [pid 5858] close(3) = 0 [pid 6035] +++ exited with 0 +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6035, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6043 attached [pid 5855] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6043] set_robust_list(0x55559362e6a0, 24 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6043 [pid 6043] <... set_robust_list resumed>) = 0 [pid 6043] chdir("./12") = 0 [pid 5855] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6043] <... prctl resumed>) = 0 [pid 5855] newfstatat(AT_FDCWD, "./11/binderfs", [pid 6043] setpgid(0, 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6043] <... setpgid resumed>) = 0 [pid 6043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] unlink("./11/binderfs" [pid 6043] <... openat resumed>) = 3 [pid 6043] write(3, "1000", 4 [pid 5855] <... unlink resumed>) = 0 [pid 6043] <... write resumed>) = 4 [pid 6043] close(3) = 0 [pid 5855] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6043] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6043] write(1, "executing program\n", 18) = 18 [pid 6043] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6043] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6043] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6043] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6043] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6043] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6044 attached => {parent_tid=[6044]}, 88) = 6044 [pid 6043] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 221.027231][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 221.057891][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6044] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6043] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... rseq resumed>) = 0 [pid 6043] <... futex resumed>) = 0 [pid 6043] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6044] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6044] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6044] memfd_create("syzkaller", 0) = 3 [pid 6044] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [ 221.097949][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 6044] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5859] <... umount2 resumed>) = 0 [pid 5859] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... umount2 resumed>) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(AT_FDCWD, "./11/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... openat resumed>) = 4 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(4, "", [pid 5855] newfstatat(AT_FDCWD, "./11/file0", [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] getdents64(4, [ 221.133510][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5855] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] getdents64(4, [pid 6044] <... write resumed>) = 1048576 [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] <... umount2 resumed>) = 0 [pid 5855] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6044] munmap(0x7f7087200000, 138412032 [pid 5859] close(4 [pid 5855] <... openat resumed>) = 4 [pid 6044] <... munmap resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5857] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] newfstatat(4, "", [pid 5859] rmdir("./11/file0" [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] <... rmdir resumed>) = 0 [pid 5857] newfstatat(AT_FDCWD, "./11/file0", [pid 5856] <... umount2 resumed>) = 0 [pid 5855] getdents64(4, [pid 6044] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5859] getdents64(3, [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] getdents64(4, [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5859] close(3 [pid 6044] <... openat resumed>) = 4 [pid 5857] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] close(4 [pid 5859] <... close resumed>) = 0 [pid 5857] <... openat resumed>) = 4 [pid 6044] ioctl(4, LOOP_SET_FD, 3 [pid 5856] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... close resumed>) = 0 [pid 5859] rmdir("./11" [pid 5857] newfstatat(4, "", [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] rmdir("./11/file0" [pid 5856] newfstatat(AT_FDCWD, "./11/file0", [pid 5855] <... rmdir resumed>) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] close(3 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... close resumed>) = 0 [pid 5856] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] rmdir("./11" [pid 5856] <... openat resumed>) = 4 [pid 5855] <... rmdir resumed>) = 0 [pid 5855] mkdir("./12", 0777 [pid 5856] newfstatat(4, "", [pid 5855] <... mkdir resumed>) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(4, [pid 6044] <... ioctl resumed>) = 0 [pid 5859] <... rmdir resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6044] close(3 [pid 5859] mkdir("./12", 0777 [pid 5857] getdents64(4, [pid 5856] getdents64(4, [pid 5855] <... openat resumed>) = 3 [pid 6044] <... close resumed>) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6044] close(4 [pid 5859] <... mkdir resumed>) = 0 [pid 5857] getdents64(4, [pid 5856] close(4 [pid 5855] <... ioctl resumed>) = 0 [pid 6044] <... close resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6044] mkdir("./file0", 0777 [pid 5855] close(3 [pid 5856] rmdir("./11/file0" [pid 5857] close(4 [pid 6044] <... mkdir resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5857] <... close resumed>) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 6044] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 5859] ioctl(3, LOOP_CLR_FD [pid 5857] rmdir("./11/file0" [pid 5856] getdents64(3, [pid 5859] <... ioctl resumed>) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5859] close(3 [pid 5857] getdents64(3, [pid 5856] close(3./strace-static-x86_64: Process 6045 attached [pid 5859] <... close resumed>) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] <... close resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6045 [pid 5856] rmdir("./11") = 0 [pid 5857] close(3) = 0 [ 221.199888][ T6044] loop3: detected capacity change from 0 to 2048 [pid 5857] rmdir("./11") = 0 [pid 6045] set_robust_list(0x55559362e6a0, 24 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] mkdir("./12", 0777 [pid 5857] mkdir("./12", 0777./strace-static-x86_64: Process 6046 attached ) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5856] <... mkdir resumed>) = 0 [pid 6046] set_robust_list(0x55559362e6a0, 24 [pid 6045] <... set_robust_list resumed>) = 0 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6046 [pid 5857] ioctl(3, LOOP_CLR_FD [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6046] <... set_robust_list resumed>) = 0 [pid 5857] <... ioctl resumed>) = 0 [pid 6046] chdir("./12" [pid 5857] close(3 [pid 6046] <... chdir resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 6046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6045] chdir("./12" [pid 5856] ioctl(3, LOOP_CLR_FD [pid 6046] setpgid(0, 0 [pid 6045] <... chdir resumed>) = 0 [pid 5856] <... ioctl resumed>) = 0 [pid 6045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] close(3 [pid 5857] <... close resumed>) = 0 [pid 6046] <... setpgid resumed>) = 0 [pid 6046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6046] write(3, "1000", 4) = 4 [pid 6045] <... prctl resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 6045] setpgid(0, 0) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6046] close(3) = 0 [pid 6046] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6046] write(1, "executing program\n", 18) = 18 [pid 6046] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6046] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, ./strace-static-x86_64: Process 6047 attached NULL, 8) = 0 [pid 6045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6047] set_robust_list(0x55559362e6a0, 24 [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6047 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6047] <... set_robust_list resumed>) = 0 [pid 6045] <... openat resumed>) = 3 [pid 6046] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6046] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6048 [pid 6046] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6048 attached [pid 6046] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6046] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} => {parent_tid=[6049]}, 88) = 6049 [pid 6048] set_robust_list(0x55559362e6a0, 24 [pid 6046] rt_sigprocmask(SIG_SETMASK, [], [pid 6048] <... set_robust_list resumed>) = 0 [pid 6046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6048] chdir("./12" [pid 6046] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... chdir resumed>) = 0 [pid 6046] <... futex resumed>) = 0 [pid 6048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6046] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6049 attached [pid 6048] <... prctl resumed>) = 0 [pid 6048] setpgid(0, 0) = 0 [pid 6048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6048] write(3, "1000", 4 [pid 6049] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6048] <... write resumed>) = 4 [pid 6049] <... rseq resumed>) = 0 [pid 6048] close(3 [pid 6049] set_robust_list(0x7f708f7879a0, 24 [pid 6048] <... close resumed>) = 0 [pid 6049] <... set_robust_list resumed>) = 0 [pid 6048] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6045] write(3, "1000", 4 [pid 6049] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6047] chdir("./12" [pid 6045] <... write resumed>) = 4 executing program [pid 6049] memfd_create("syzkaller", 0 [pid 6045] close(3 [pid 6049] <... memfd_create resumed>) = 3 [pid 6049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6048] write(1, "executing program\n", 18) = 18 [pid 6048] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... chdir resumed>) = 0 [pid 6045] <... close resumed>) = 0 [ 221.250605][ T6044] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 221.261349][ T6044] UDF-fs: Scanning with blocksize 512 failed [ 221.290568][ T6044] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6045] symlink("/dev/binderfs", "./binderfs" [pid 6044] <... mount resumed>) = 0 [pid 6048] <... futex resumed>) = 0 [pid 6044] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6048] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6045] <... symlink resumed>) = 0 [pid 6044] <... openat resumed>) = 3 [pid 6047] <... prctl resumed>) = 0 [pid 6048] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6044] chdir("./file0" [pid 6048] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6044] <... chdir resumed>) = 0 [pid 6048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6044] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6044] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6048] <... mmap resumed>) = 0x7f708f767000 [pid 6044] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] write(1, "executing program\n", 18 [pid 6048] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6044] <... futex resumed>) = 1 [pid 6047] setpgid(0, 0 [pid 6048] <... mprotect resumed>) = 0 [pid 6045] <... write resumed>) = 18 [pid 6044] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] <... futex resumed>) = 0 [pid 6048] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6047] <... setpgid resumed>) = 0 [pid 6045] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6045] <... futex resumed>) = 0 [pid 6048] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6050 attached [pid 6047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6045] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6044] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = 1 [pid 6050] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6049] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6048] <... clone3 resumed> => {parent_tid=[6050]}, 88) = 6050 [pid 6045] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6044] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6050] <... rseq resumed>) = 0 [pid 6043] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6047] <... openat resumed>) = 3 [pid 6045] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6050] set_robust_list(0x7f708f7879a0, 24 [pid 6047] write(3, "1000", 4 [pid 6045] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6044] <... openat resumed>) = 4 [pid 6047] <... write resumed>) = 4 [pid 6045] <... mprotect resumed>) = 0 [pid 6050] <... set_robust_list resumed>) = 0 [pid 6048] rt_sigprocmask(SIG_SETMASK, [], [pid 6047] close(3 [pid 6044] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] rt_sigprocmask(SIG_SETMASK, [], [pid 6048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6047] <... close resumed>) = 0 [pid 6044] <... futex resumed>) = 1 [pid 6043] <... futex resumed>) = 0 [pid 6050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6045] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6050] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6045] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6043] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] symlink("/dev/binderfs", "./binderfs" [pid 6044] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6043] <... futex resumed>) = 0 [pid 6050] <... futex resumed>) = 0 [pid 6048] <... futex resumed>) = 1 [pid 6044] <... openat resumed>) = 5 [pid 6043] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] memfd_create("syzkaller", 0 [pid 6048] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6047] <... symlink resumed>) = 0 [pid 6045] <... clone3 resumed> => {parent_tid=[6051]}, 88) = 6051 [pid 6044] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6051 attached [pid 6050] <... memfd_create resumed>) = 3 [pid 6049] <... write resumed>) = 1048576 [pid 6045] rt_sigprocmask(SIG_SETMASK, [], [pid 6044] <... futex resumed>) = 0 [pid 6043] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6049] munmap(0x7f7087200000, 138412032 [pid 6044] pwrite64(5, "2", 1, 134220897 [pid 6043] <... futex resumed>) = 0 [pid 6045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6050] <... mmap resumed>) = 0x7f7087200000 [pid 6049] <... munmap resumed>) = 0 [pid 6047] write(1, "executing program\n", 18executing program [pid 6045] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... pwrite64 resumed>) = 1 [pid 6043] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6047] <... write resumed>) = 18 [pid 6045] <... futex resumed>) = 0 [pid 6044] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6049] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6047] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6044] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6051] <... rseq resumed>) = 0 [pid 6049] <... openat resumed>) = 4 [pid 6047] <... futex resumed>) = 0 [pid 6044] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6043] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] set_robust_list(0x7f708f7879a0, 24 [pid 6049] ioctl(4, LOOP_SET_FD, 3 [pid 6047] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6043] <... futex resumed>) = 0 [pid 6051] <... set_robust_list resumed>) = 0 [pid 6049] <... ioctl resumed>) = 0 [pid 6047] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6043] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6051] rt_sigprocmask(SIG_SETMASK, [], [pid 6047] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6051] memfd_create("syzkaller", 0 [pid 6050] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6051] <... memfd_create resumed>) = 3 [pid 6051] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6047] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6047] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6052 attached [pid 6049] close(3 [pid 6052] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 [pid 6049] <... close resumed>) = 0 [pid 6047] <... clone3 resumed> => {parent_tid=[6052]}, 88) = 6052 [pid 6052] set_robust_list(0x7f708f7879a0, 24 [pid 6049] close(4) = 0 [pid 6049] mkdir("./file0", 0777 [pid 6052] <... set_robust_list resumed>) = 0 [pid 6050] <... write resumed>) = 1048576 [pid 6052] rt_sigprocmask(SIG_SETMASK, [], [pid 6051] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6049] <... mkdir resumed>) = 0 [pid 6047] rt_sigprocmask(SIG_SETMASK, [], [pid 6050] munmap(0x7f7087200000, 138412032 [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 221.392463][ T6049] loop4: detected capacity change from 0 to 2048 [pid 6052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6050] <... munmap resumed>) = 0 [pid 6049] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6047] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6050] ioctl(4, LOOP_SET_FD, 3 [pid 6052] memfd_create("syzkaller", 0 [pid 6047] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6052] <... memfd_create resumed>) = 3 [pid 6047] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6043] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6052] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6052] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6050] <... ioctl resumed>) = 0 [pid 6043] <... mmap resumed>) = 0x7f708f746000 [pid 6050] close(3 [pid 6043] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6050] <... close resumed>) = 0 [pid 6051] <... write resumed>) = 1048576 [pid 6050] close(4 [pid 6043] <... mprotect resumed>) = 0 [pid 6050] <... close resumed>) = 0 [pid 6043] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6050] mkdir("./file0", 0777 [pid 6043] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6050] <... mkdir resumed>) = 0 [pid 6043] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6053 attached => {parent_tid=[6053]}, 88) = 6053 [pid 6050] mount("/dev/loop2", "./file0", "udf", 0, "" [ 221.447763][ T6050] loop2: detected capacity change from 0 to 2048 [ 221.451116][ T6049] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 221.464586][ T6049] UDF-fs: Scanning with blocksize 512 failed [pid 6043] rt_sigprocmask(SIG_SETMASK, [], [pid 6053] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6053] <... rseq resumed>) = 0 [pid 6052] <... write resumed>) = 1048576 [pid 6051] munmap(0x7f7087200000, 138412032 [pid 6049] <... mount resumed>) = 0 [pid 6043] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6053] set_robust_list(0x7f708f7669a0, 24 [pid 6052] munmap(0x7f7087200000, 138412032 [pid 6053] <... set_robust_list resumed>) = 0 [pid 6043] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] rt_sigprocmask(SIG_SETMASK, [], [pid 6052] <... munmap resumed>) = 0 [pid 6051] <... munmap resumed>) = 0 [pid 6049] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6044] <... write resumed>) = 843776 [pid 6053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6053] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6049] <... openat resumed>) = 3 [pid 6044] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6051] ioctl(4, LOOP_SET_FD, 3 [pid 6053] <... openat resumed>) = 6 [pid 6052] <... openat resumed>) = 4 [pid 6049] chdir("./file0" [pid 6044] <... futex resumed>) = 0 [ 221.494316][ T6049] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 221.504946][ T6050] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 221.529336][ T6051] loop0: detected capacity change from 0 to 2048 [ 221.534171][ T6050] UDF-fs: Scanning with blocksize 512 failed [pid 6053] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] ioctl(4, LOOP_SET_FD, 3 [pid 6051] <... ioctl resumed>) = 0 [pid 6049] <... chdir resumed>) = 0 [pid 6044] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] <... futex resumed>) = 0 [pid 6043] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6049] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6043] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] <... futex resumed>) = 1 [pid 6051] close(3 [pid 6044] fdatasync(6 [pid 6051] <... close resumed>) = 0 [pid 6049] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6053] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6051] close(4 [pid 6044] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6052] <... ioctl resumed>) = 0 [pid 6051] <... close resumed>) = 0 [pid 6049] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] mkdir("./file0", 0777 [pid 6049] <... futex resumed>) = 1 [pid 6046] <... futex resumed>) = 0 [pid 6044] <... futex resumed>) = 1 [pid 6043] <... futex resumed>) = 0 [pid 6049] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] <... futex resumed>) = 0 [pid 6044] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] exit_group(0 [pid 6053] <... futex resumed>) = ? [pid 6049] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6046] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6044] <... futex resumed>) = ? [pid 6043] <... exit_group resumed>) = ? [pid 6051] <... mkdir resumed>) = 0 [pid 6053] +++ exited with 0 +++ [pid 6049] <... openat resumed>) = 4 [pid 6051] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6049] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] close(3 [pid 6049] <... futex resumed>) = 1 [pid 6046] <... futex resumed>) = 0 [pid 6046] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... close resumed>) = 0 [pid 6049] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6046] <... futex resumed>) = 0 [pid 6049] <... openat resumed>) = 5 [pid 6046] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] close(4) = 0 [pid 6049] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] mkdir("./file0", 0777 [pid 6049] <... futex resumed>) = 1 [pid 6046] <... futex resumed>) = 0 [pid 6049] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6046] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] <... mkdir resumed>) = 0 [pid 6052] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6044] +++ exited with 0 +++ [pid 6043] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6043, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5858] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6049] pwrite64(5, "2", 1, 134220897 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6049] <... pwrite64 resumed>) = 1 [pid 5858] getdents64(3, [pid 6049] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5858] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./12/binderfs") = 0 [pid 6049] <... futex resumed>) = 1 [pid 5858] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6049] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] <... futex resumed>) = 0 [ 221.550056][ T6052] loop1: detected capacity change from 0 to 2048 [ 221.565366][ T6044] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 221.580924][ T6050] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 221.584346][ T6051] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [pid 6046] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... futex resumed>) = 0 [pid 6046] <... futex resumed>) = 1 [pid 6046] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6050] <... mount resumed>) = 0 [pid 6050] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6050] chdir("./file0") = 0 [pid 6050] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6050] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6048] <... futex resumed>) = 0 [pid 6048] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6048] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [ 221.610836][ T6052] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 221.642665][ T6051] UDF-fs: Scanning with blocksize 512 failed [ 221.646344][ T1161] bio_check_eod: 293 callbacks suppressed [ 221.646364][ T1161] kworker/u8:8: attempt to access beyond end of device [pid 6050] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6048] <... futex resumed>) = 0 [pid 6048] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6048] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 6050] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... futex resumed>) = 0 [pid 6048] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6048] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] <... futex resumed>) = 1 [pid 6050] pwrite64(5, "2", 1, 134220897) = 1 [pid 6046] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6046] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6050] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6050] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6046] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6048] <... futex resumed>) = 0 [pid 6048] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6050] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6046] <... mprotect resumed>) = 0 [pid 6046] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6046] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6048] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6046] <... clone3 resumed> => {parent_tid=[6054]}, 88) = 6054 [pid 6046] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6046] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 221.646364][ T1161] loop3: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 221.648924][ T6052] UDF-fs: Scanning with blocksize 512 failed [ 221.658883][ T1161] buffer_io_error: 287 callbacks suppressed [ 221.658902][ T1161] Buffer I/O error on dev loop3, logical block 1024, lost async page write [ 221.700170][ T6051] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6046] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6054 attached [pid 6049] <... write resumed>) = 843776 [pid 6054] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6051] <... mount resumed>) = 0 [pid 6051] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6054] <... rseq resumed>) = 0 [pid 6051] chdir("./file0" [pid 6054] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6051] <... chdir resumed>) = 0 [pid 6048] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6054] rt_sigprocmask(SIG_SETMASK, [], [pid 6049] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6048] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6049] <... futex resumed>) = 0 [pid 6048] <... mprotect resumed>) = 0 [pid 6054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6054] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6051] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6048] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6048] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6055 attached [pid 6054] <... openat resumed>) = 6 [pid 6051] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] <... clone3 resumed> => {parent_tid=[6055]}, 88) = 6055 [pid 6048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6048] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6048] <... futex resumed>) = 0 [pid 6055] <... rseq resumed>) = 0 [pid 6048] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6055] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6055] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6055] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... futex resumed>) = 0 [pid 6048] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6048] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] <... futex resumed>) = 1 [pid 6055] fdatasync(6) = 0 [pid 6055] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6048] <... futex resumed>) = 0 [pid 6055] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6046] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6046] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6051] <... futex resumed>) = 1 [pid 6045] <... futex resumed>) = 0 [pid 6049] fdatasync(-1 [pid 6054] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6049] <... fdatasync resumed>) = -1 EBADF (Bad file descriptor) [pid 6045] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... futex resumed>) = 0 [pid 6049] <... futex resumed>) = 1 [pid 6046] <... futex resumed>) = 0 [pid 6045] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] exit_group(0) = ? [ 221.732032][ T1161] kworker/u8:8: attempt to access beyond end of device [ 221.732032][ T1161] loop3: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 221.752344][ T1161] Buffer I/O error on dev loop3, logical block 1024, lost async page write [ 221.764918][ T6052] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6049] <... futex resumed>) = ? [pid 6054] <... futex resumed>) = ? [pid 6049] +++ exited with 0 +++ [pid 6051] <... openat resumed>) = 4 [pid 6051] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] +++ exited with 0 +++ [pid 6051] <... futex resumed>) = 1 [pid 6046] +++ exited with 0 +++ [pid 6045] <... futex resumed>) = 0 [pid 6051] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6045] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6046, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5859] restart_syscall(<... resuming interrupted clone ...> [pid 6051] <... openat resumed>) = 5 [pid 6045] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6051] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... mount resumed>) = 0 [pid 6051] <... futex resumed>) = 1 [pid 6045] <... futex resumed>) = 0 [pid 6045] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6051] pwrite64(5, "2", 1, 134220897 [pid 6045] <... futex resumed>) = 0 [pid 6052] <... openat resumed>) = 3 [pid 6051] <... pwrite64 resumed>) = 1 [pid 5859] <... restart_syscall resumed>) = 0 [pid 6052] chdir("./file0" [pid 6045] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] <... chdir resumed>) = 0 [pid 6052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5859] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6052] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6052] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6052] <... futex resumed>) = 1 [pid 6047] <... futex resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 6052] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6051] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] newfstatat(3, "", [pid 6052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6050] <... write resumed>) = 843776 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6050] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] getdents64(3, [pid 6050] <... futex resumed>) = 0 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6050] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6048] exit_group(0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6055] <... futex resumed>) = ? [pid 6050] <... futex resumed>) = ? [pid 6048] <... exit_group resumed>) = ? [pid 5859] newfstatat(AT_FDCWD, "./12/binderfs", [pid 6055] +++ exited with 0 +++ [pid 6052] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6051] <... futex resumed>) = 1 [pid 6050] +++ exited with 0 +++ [pid 6047] <... futex resumed>) = 0 [pid 6045] <... futex resumed>) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] unlink("./12/binderfs") = 0 [pid 5859] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6048] +++ exited with 0 +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6048, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [ 221.776582][ T6054] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 221.794244][ T1161] kworker/u8:8: attempt to access beyond end of device [ 221.794244][ T1161] loop3: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 221.808688][ T1161] Buffer I/O error on dev loop3, logical block 1024, lost async page write [ 221.810022][ T6048] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5857] restart_syscall(<... resuming interrupted clone ...> [pid 6052] <... openat resumed>) = 4 [pid 6051] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6045] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... restart_syscall resumed>) = 0 [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6051] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6045] <... futex resumed>) = 0 [pid 6052] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6052] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] <... futex resumed>) = 0 [pid 6045] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6047] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6047] <... futex resumed>) = 1 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6047] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, [pid 6052] <... futex resumed>) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6052] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [ 221.817415][ T1161] kworker/u8:8: attempt to access beyond end of device [ 221.817415][ T1161] loop3: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 221.841305][ T1161] Buffer I/O error on dev loop3, logical block 1024, lost async page write [ 221.850554][ T1161] kworker/u8:8: attempt to access beyond end of device [ 221.850554][ T1161] loop3: rw=1, sector=2050, nr_sectors = 2 limit=2048 [ 221.864376][ T1161] Buffer I/O error on dev loop3, logical block 1025, lost async page write [ 221.873127][ T1161] kworker/u8:8: attempt to access beyond end of device [pid 5857] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6052] <... openat resumed>) = 5 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6052] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] newfstatat(AT_FDCWD, "./12/binderfs", [pid 6052] <... futex resumed>) = 1 [pid 6047] <... futex resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6052] pwrite64(5, "2", 1, 134220897 [pid 6047] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] unlink("./12/binderfs" [pid 6052] <... pwrite64 resumed>) = 1 [pid 6047] <... futex resumed>) = 0 [pid 5857] <... unlink resumed>) = 0 [pid 6047] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6052] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6052] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] <... futex resumed>) = 0 [pid 6047] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = 0 [pid 6047] <... futex resumed>) = 1 [pid 6052] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6047] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6045] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6045] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [ 221.873127][ T1161] loop3: rw=1, sector=2050, nr_sectors = 2 limit=2048 [ 221.887363][ T1161] Buffer I/O error on dev loop3, logical block 1025, lost async page write [ 221.893565][ T141] kworker/u8:5: attempt to access beyond end of device [ 221.893565][ T141] loop4: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 221.896420][ T1161] kworker/u8:8: attempt to access beyond end of device [ 221.896420][ T1161] loop3: rw=1, sector=2050, nr_sectors = 2 limit=2048 [ 221.923579][ T1161] Buffer I/O error on dev loop3, logical block 1025, lost async page write [pid 6045] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6045] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6056]}, 88) = 6056 [pid 6045] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6045] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6045] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6056 attached [pid 6047] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6047] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6047] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6047] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6056] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6047] <... clone3 resumed> => {parent_tid=[6057]}, 88) = 6057 [pid 6047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 221.950550][ T3486] kworker/u8:9: attempt to access beyond end of device [ 221.950550][ T3486] loop2: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 221.955755][ T1161] kworker/u8:8: attempt to access beyond end of device [ 221.955755][ T1161] loop3: rw=1, sector=2050, nr_sectors = 2 limit=2048 [ 221.964619][ T3486] Buffer I/O error on dev loop2, logical block 1024, lost async page write [ 221.986800][ T3486] Buffer I/O error on dev loop2, logical block 1024, lost async page write [pid 6056] set_robust_list(0x7f708f7669a0, 24 [pid 6047] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6057 attached ) = 0 [pid 6045] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6047] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6045] futex(0x7f708f8596ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6057] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6045] <... mmap resumed>) = 0x7f708f725000 [pid 6057] <... rseq resumed>) = 0 [pid 6045] mprotect(0x7f708f726000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6056] <... set_robust_list resumed>) = 0 [pid 6045] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6057] set_robust_list(0x7f708f7669a0, 24 [pid 6045] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6057] <... set_robust_list resumed>) = 0 [pid 6045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f745990, parent_tid=0x7f708f745990, exit_signal=0, stack=0x7f708f725000, stack_size=0x20300, tls=0x7f708f7456c0} [pid 6057] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6045] <... clone3 resumed> => {parent_tid=[6058]}, 88) = 6058 [pid 6057] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6045] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6058 attached [pid 6056] rt_sigprocmask(SIG_SETMASK, [], [pid 6058] rseq(0x7f708f745fe0, 0x20, 0, 0x53053053 [pid 6056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6058] <... rseq resumed>) = 0 [pid 6056] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6058] set_robust_list(0x7f708f7459a0, 24) = 0 [pid 6057] <... openat resumed>) = 6 [pid 6056] <... openat resumed>) = 6 [pid 6045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6058] rt_sigprocmask(SIG_SETMASK, [], [pid 6057] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] futex(0x7f708f8596e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6057] <... futex resumed>) = 1 [pid 6047] <... futex resumed>) = 0 [pid 6058] fdatasync(6 [pid 6057] fdatasync(6 [pid 6056] <... futex resumed>) = 0 [pid 6047] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... futex resumed>) = 0 [pid 6047] <... futex resumed>) = 0 [pid 6045] futex(0x7f708f8596ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6047] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6051] <... write resumed>) = 843776 [pid 6051] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 221.989378][ T141] Buffer I/O error on dev loop4, logical block 1024, lost async page write [ 221.999860][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 222.027855][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6051] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6056] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] futex(0x7f708f8596ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... fdatasync resumed>) = 0 [pid 6058] <... futex resumed>) = 1 [pid 6045] <... futex resumed>) = 0 [pid 6058] futex(0x7f708f8596e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6045] exit_group(0 [pid 6058] <... futex resumed>) = ? [pid 6056] <... futex resumed>) = ? [pid 6051] <... futex resumed>) = ? [pid 6045] <... exit_group resumed>) = ? [pid 6056] +++ exited with 0 +++ [pid 6051] +++ exited with 0 +++ [pid 6058] +++ exited with 0 +++ [pid 6057] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6047] <... futex resumed>) = 0 [pid 6057] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6052] <... write resumed>) = 843776 [pid 6045] +++ exited with 0 +++ [pid 5857] <... umount2 resumed>) = 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6045, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5855] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", [pid 6052] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6052] <... futex resumed>) = 0 [ 222.045366][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 222.076367][ T6045] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6047] exit_group(0 [pid 5855] getdents64(3, [pid 6057] <... futex resumed>) = ? [pid 6047] <... exit_group resumed>) = ? [pid 5857] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6052] +++ exited with 0 +++ [pid 5858] <... umount2 resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5858] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] newfstatat(AT_FDCWD, "./12/file0", [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] newfstatat(AT_FDCWD, "./12/file0", [pid 5857] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... openat resumed>) = 4 [pid 5858] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] newfstatat(4, "", [pid 5858] <... openat resumed>) = 4 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] newfstatat(4, "", [pid 5857] getdents64(4, [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(4, [pid 5857] getdents64(4, [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] getdents64(4, [pid 5857] close(4 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] <... close resumed>) = 0 [pid 5858] close(4 [pid 5857] rmdir("./12/file0" [pid 5858] <... close resumed>) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 5858] rmdir("./12/file0" [pid 5857] getdents64(3, [pid 5858] <... rmdir resumed>) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] getdents64(3, [pid 5857] close(3 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] <... close resumed>) = 0 [pid 5858] close(3 [pid 5857] rmdir("./12" [pid 5858] <... close resumed>) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 5858] rmdir("./12" [pid 5857] mkdir("./13", 0777 [pid 5858] <... rmdir resumed>) = 0 [pid 5857] <... mkdir resumed>) = 0 [pid 5858] mkdir("./13", 0777 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5858] <... mkdir resumed>) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5855] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5857] ioctl(3, LOOP_CLR_FD [pid 5858] <... openat resumed>) = 3 [pid 5857] <... ioctl resumed>) = 0 [pid 6057] +++ exited with 0 +++ [pid 6047] +++ exited with 0 +++ [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5857] close(3 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... umount2 resumed>) = 0 [pid 5858] <... ioctl resumed>) = 0 [pid 5857] <... close resumed>) = 0 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6047, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5859] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] close(3 [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5859] newfstatat(AT_FDCWD, "./12/file0", [pid 5856] <... restart_syscall resumed>) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] unlink("./12/binderfs" [pid 5859] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... openat resumed>) = 4 [pid 5855] <... unlink resumed>) = 0 [pid 5859] newfstatat(4, "", [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5859] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5859] close(4) = 0 [pid 5859] rmdir("./12/file0") = 0 [pid 5859] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5859] close(3) = 0 [pid 5859] rmdir("./12") = 0 [pid 5859] mkdir("./13", 0777) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5859] ioctl(3, LOOP_CLR_FD) = 0 [ 222.109125][ T6057] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5859] close(3 [pid 5858] <... close resumed>) = 0 [pid 5856] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6059 attached [pid 5859] <... close resumed>) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6059 [pid 5856] newfstatat(3, "", ./strace-static-x86_64: Process 6060 attached [pid 6059] set_robust_list(0x55559362e6a0, 24 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6060] set_robust_list(0x55559362e6a0, 24 [pid 6059] <... set_robust_list resumed>) = 0 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6060 [pid 5856] getdents64(3, executing program [pid 6060] <... set_robust_list resumed>) = 0 [pid 6059] chdir("./13" [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6059] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 6061 attached [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6061 [pid 6061] set_robust_list(0x55559362e6a0, 24) = 0 [pid 6061] chdir("./13") = 0 [pid 6061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6061] setpgid(0, 0) = 0 [pid 6061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6061] write(3, "1000", 4) = 4 [pid 6061] close(3) = 0 [pid 6061] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6061] write(1, "executing program\n", 18) = 18 [pid 6061] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6061] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6061] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6061] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6061] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6061] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6062 attached => {parent_tid=[6062]}, 88) = 6062 [pid 6061] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6059] <... prctl resumed>) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6062] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6061] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] chdir("./13" [pid 6062] <... rseq resumed>) = 0 [pid 6061] <... futex resumed>) = 0 [pid 6059] setpgid(0, 0 [pid 5856] unlink("./12/binderfs" [pid 6062] set_robust_list(0x7f708f7879a0, 24 [pid 6061] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6060] <... chdir resumed>) = 0 [pid 6062] <... set_robust_list resumed>) = 0 [pid 6062] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6062] memfd_create("syzkaller", 0) = 3 [pid 5856] <... unlink resumed>) = 0 [pid 6062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6059] <... setpgid resumed>) = 0 [pid 6062] <... mmap resumed>) = 0x7f7087200000 [pid 6060] <... prctl resumed>) = 0 [pid 6059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6060] setpgid(0, 0 [pid 6059] <... openat resumed>) = 3 [pid 6059] write(3, "1000", 4 [pid 6060] <... setpgid resumed>) = 0 [pid 6060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6059] <... write resumed>) = 4 [ 222.197711][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6060] <... openat resumed>) = 3 [pid 6059] close(3 [pid 6062] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 6060] write(3, "1000", 4 [pid 6059] <... close resumed>) = 0 [pid 6060] <... write resumed>) = 4 [pid 6059] symlink("/dev/binderfs", "./binderfs" [pid 6060] close(3 [pid 6059] <... symlink resumed>) = 0 [pid 6062] munmap(0x7f7087200000, 138412032 [pid 6060] <... close resumed>) = 0 executing program [pid 6059] write(1, "executing program\n", 18 [pid 5855] <... umount2 resumed>) = 0 [pid 6059] <... write resumed>) = 18 [pid 6060] symlink("/dev/binderfs", "./binderfs" [pid 6059] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... munmap resumed>) = 0 [pid 6060] <... symlink resumed>) = 0 [pid 6059] <... futex resumed>) = 0 executing program [pid 6060] write(1, "executing program\n", 18 [pid 6059] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6060] <... write resumed>) = 18 [pid 6059] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6062] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6060] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6062] <... openat resumed>) = 4 [pid 6060] <... futex resumed>) = 0 [pid 6059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6062] ioctl(4, LOOP_SET_FD, 3 [pid 6060] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5855] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6060] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6059] <... mmap resumed>) = 0x7f708f767000 [pid 6060] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6059] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6059] <... mprotect resumed>) = 0 [pid 6060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] newfstatat(AT_FDCWD, "./12/file0", [pid 6059] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6059] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6060] <... mmap resumed>) = 0x7f708f767000 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5855] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] close(4) = 0 [pid 5855] rmdir("./12/file0") = 0 [pid 5855] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 6060] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6060] <... mprotect resumed>) = 0 [pid 5855] rmdir("./12" [pid 6060] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6059] <... clone3 resumed> => {parent_tid=[6063]}, 88) = 6063 [pid 5855] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6063 attached [pid 6060] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6059] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6063] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6059] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... rseq resumed>) = 0 [pid 6059] <... futex resumed>) = 0 [pid 5855] mkdir("./13", 0777 [pid 6059] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6063] set_robust_list(0x7f708f7879a0, 24 [pid 6060] <... clone3 resumed> => {parent_tid=[6064]}, 88) = 6064 ./strace-static-x86_64: Process 6064 attached [pid 6062] <... ioctl resumed>) = 0 [pid 5855] <... mkdir resumed>) = 0 [pid 6064] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6062] close(3) = 0 [pid 6064] <... rseq resumed>) = 0 [pid 6062] close(4 [pid 6064] set_robust_list(0x7f708f7879a0, 24 [pid 6063] <... set_robust_list resumed>) = 0 [pid 6062] <... close resumed>) = 0 [pid 6060] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6064] <... set_robust_list resumed>) = 0 [pid 6064] rt_sigprocmask(SIG_SETMASK, [], [pid 6062] mkdir("./file0", 0777 [pid 5855] <... openat resumed>) = 3 [pid 6064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6063] rt_sigprocmask(SIG_SETMASK, [], [pid 6062] <... mkdir resumed>) = 0 [pid 6060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6064] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6060] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 6064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6063] memfd_create("syzkaller", 0 [pid 6062] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6060] <... futex resumed>) = 0 [pid 5855] <... ioctl resumed>) = 0 [pid 6064] memfd_create("syzkaller", 0 [pid 6060] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6064] <... memfd_create resumed>) = 3 [pid 6063] <... memfd_create resumed>) = 3 [pid 5855] close(3 [pid 6064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6064] <... mmap resumed>) = 0x7f7087200000 [pid 6063] <... mmap resumed>) = 0x7f7087200000 [ 222.249455][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 222.287595][ T6062] loop4: detected capacity change from 0 to 2048 [pid 6064] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6063] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5856] <... umount2 resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 5856] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./12/file0", [pid 6064] <... write resumed>) = 1048576 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6065 attached [pid 6065] set_robust_list(0x55559362e6a0, 24 [pid 5856] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6065] <... set_robust_list resumed>) = 0 [ 222.330321][ T6062] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 222.338323][ T6062] UDF-fs: Scanning with blocksize 512 failed [pid 5856] newfstatat(4, "", [pid 6065] chdir("./13" [pid 6064] munmap(0x7f7087200000, 138412032 [pid 6063] <... write resumed>) = 1048576 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6065 [pid 6065] <... chdir resumed>) = 0 [pid 6064] <... munmap resumed>) = 0 [pid 5856] getdents64(4, [pid 6065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6065] <... prctl resumed>) = 0 [pid 6063] munmap(0x7f7087200000, 138412032 [pid 5856] getdents64(4, [pid 6065] setpgid(0, 0 [pid 6063] <... munmap resumed>) = 0 [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6065] <... setpgid resumed>) = 0 [pid 6064] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6063] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6062] <... mount resumed>) = 0 [pid 5856] close(4 [pid 6065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6064] <... openat resumed>) = 4 [pid 6062] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5856] <... close resumed>) = 0 [pid 6065] <... openat resumed>) = 3 [pid 6064] ioctl(4, LOOP_SET_FD, 3 [pid 6065] write(3, "1000", 4 [pid 6063] <... openat resumed>) = 4 [pid 6062] <... openat resumed>) = 3 [pid 5856] rmdir("./12/file0" [pid 6065] <... write resumed>) = 4 [pid 6063] ioctl(4, LOOP_SET_FD, 3 [pid 6065] close(3 [pid 6062] chdir("./file0" [pid 5856] <... rmdir resumed>) = 0 [pid 6062] <... chdir resumed>) = 0 [pid 6062] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6062] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6062] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6061] <... futex resumed>) = 0 [pid 6061] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... futex resumed>) = 0 [pid 6062] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 6062] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6062] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6061] <... futex resumed>) = 1 [pid 6061] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6061] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... futex resumed>) = 0 [pid 6061] <... futex resumed>) = 1 [pid 6062] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6061] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6062] <... openat resumed>) = 5 [pid 6062] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6061] <... futex resumed>) = 0 [pid 6062] pwrite64(5, "2", 1, 134220897 [pid 6061] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] getdents64(3, [pid 6061] <... futex resumed>) = 0 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6061] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6065] <... close resumed>) = 0 [pid 6064] <... ioctl resumed>) = 0 [pid 6063] <... ioctl resumed>) = 0 [pid 5856] close(3 [pid 6065] symlink("/dev/binderfs", "./binderfs" [pid 6064] close(3 [pid 6062] <... pwrite64 resumed>) = 1 executing program [pid 6065] <... symlink resumed>) = 0 [pid 6063] close(3 [pid 5856] <... close resumed>) = 0 [pid 6065] write(1, "executing program\n", 18 [pid 5856] rmdir("./12" [pid 6065] <... write resumed>) = 18 [pid 6063] <... close resumed>) = 0 [pid 6065] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] <... close resumed>) = 0 [pid 6062] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... futex resumed>) = 0 [pid 6064] close(4 [pid 6062] <... futex resumed>) = 1 [pid 6061] <... futex resumed>) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 6065] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6064] <... close resumed>) = 0 [pid 6063] close(4 [pid 6062] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6061] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] mkdir("./13", 0777 [pid 6065] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6064] mkdir("./file0", 0777 [pid 6063] <... close resumed>) = 0 [pid 6062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6061] <... futex resumed>) = 0 [pid 6065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6064] <... mkdir resumed>) = 0 [pid 6063] mkdir("./file0", 0777 [pid 6062] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6061] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] <... mkdir resumed>) = 0 [pid 6065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6063] <... mkdir resumed>) = 0 [pid 6065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6063] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6065] <... mmap resumed>) = 0x7f708f767000 [ 222.374857][ T6062] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 222.389678][ T6064] loop3: detected capacity change from 0 to 2048 [ 222.390293][ T6063] loop2: detected capacity change from 0 to 2048 [pid 6064] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6065] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6065] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6066 attached [pid 6066] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6065] <... clone3 resumed> => {parent_tid=[6066]}, 88) = 6066 [pid 6066] <... rseq resumed>) = 0 [pid 6065] rt_sigprocmask(SIG_SETMASK, [], [pid 6066] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6066] rt_sigprocmask(SIG_SETMASK, [], [pid 6065] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6066] memfd_create("syzkaller", 0 [pid 6065] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6066] <... memfd_create resumed>) = 3 [pid 6066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5856] <... openat resumed>) = 3 [pid 6066] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5856] ioctl(3, LOOP_CLR_FD) = 0 [pid 5856] close(3) = 0 [pid 6061] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6061] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6061] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6061] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6061] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6067]}, 88) = 6067 [pid 6061] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6067 attached [pid 6061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6061] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6061] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6067] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6067] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6067] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6067] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6067] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6061] <... futex resumed>) = 0 [pid 6061] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] fdatasync(6 [pid 6061] <... futex resumed>) = 0 [pid 6061] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6067] <... fdatasync resumed>) = 0 [pid 6067] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6061] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6068 attached [pid 6068] set_robust_list(0x55559362e6a0, 24 [pid 6067] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6068 [ 222.427552][ T6063] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 222.435795][ T6064] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 222.441886][ T6063] UDF-fs: Scanning with blocksize 512 failed [ 222.458397][ T6064] UDF-fs: Scanning with blocksize 512 failed [ 222.468960][ T6063] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6068] <... set_robust_list resumed>) = 0 [pid 6068] chdir("./13") = 0 [pid 6068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6066] <... write resumed>) = 1048576 [pid 6066] munmap(0x7f7087200000, 138412032 [pid 6068] <... prctl resumed>) = 0 [pid 6066] <... munmap resumed>) = 0 [pid 6063] <... mount resumed>) = 0 [pid 6068] setpgid(0, 0 [pid 6063] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6066] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6068] <... setpgid resumed>) = 0 [pid 6063] <... openat resumed>) = 3 [pid 6066] <... openat resumed>) = 4 [pid 6066] ioctl(4, LOOP_SET_FD, 3 [pid 6063] chdir("./file0" [pid 6068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6063] <... chdir resumed>) = 0 [pid 6063] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6068] <... openat resumed>) = 3 [pid 6068] write(3, "1000", 4) = 4 [pid 6066] <... ioctl resumed>) = 0 [pid 6063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6068] close(3 [pid 6066] close(3 [pid 6064] <... mount resumed>) = 0 [pid 6063] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] <... close resumed>) = 0 [pid 6066] <... close resumed>) = 0 [pid 6064] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6063] <... futex resumed>) = 1 [pid 6059] <... futex resumed>) = 0 [pid 6068] symlink("/dev/binderfs", "./binderfs" [pid 6066] close(4 [pid 6064] <... openat resumed>) = 3 [pid 6063] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6059] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] <... symlink resumed>) = 0 [pid 6066] <... close resumed>) = 0 [pid 6064] chdir("./file0") = 0 executing program [pid 6068] write(1, "executing program\n", 18 [pid 6066] mkdir("./file0", 0777 [pid 6059] <... futex resumed>) = 0 [pid 6068] <... write resumed>) = 18 [pid 6066] <... mkdir resumed>) = 0 [pid 6064] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6059] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6068] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6068] <... futex resumed>) = 0 [pid 6068] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6068] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6068] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] <... mprotect resumed>) = 0 [pid 6063] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6068] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6064] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6064] <... futex resumed>) = 1 [pid 6063] <... openat resumed>) = 4 [pid 6060] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6069 attached [pid 6064] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] <... clone3 resumed> => {parent_tid=[6069]}, 88) = 6069 [pid 6069] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6063] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... rseq resumed>) = 0 [pid 6068] rt_sigprocmask(SIG_SETMASK, [], [pid 6064] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6063] <... futex resumed>) = 1 [pid 6059] <... futex resumed>) = 0 [pid 6069] set_robust_list(0x7f708f7879a0, 24 [pid 6068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6063] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6060] <... futex resumed>) = 0 [pid 6059] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... set_robust_list resumed>) = 0 [pid 6068] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] <... openat resumed>) = 4 [ 222.494089][ T6064] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 222.523016][ T6066] loop0: detected capacity change from 0 to 2048 [pid 6063] <... openat resumed>) = 5 [pid 6060] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] <... futex resumed>) = 0 [pid 6069] rt_sigprocmask(SIG_SETMASK, [], [pid 6064] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... write resumed>) = 843776 [pid 6060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6064] <... futex resumed>) = 0 [pid 6060] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6069] memfd_create("syzkaller", 0 [pid 6064] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6069] <... memfd_create resumed>) = 3 [pid 6068] <... futex resumed>) = 0 [pid 6064] <... openat resumed>) = 5 [pid 6060] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6068] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6064] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... mmap resumed>) = 0x7f7087200000 [pid 6064] <... futex resumed>) = 0 [pid 6059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6063] <... futex resumed>) = 0 [pid 6064] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6063] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6059] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... futex resumed>) = 0 [pid 6064] <... futex resumed>) = 0 [pid 6060] <... futex resumed>) = 1 [pid 6064] pwrite64(5, "2", 1, 134220897) = 1 [pid 6062] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... futex resumed>) = 0 [pid 6061] exit_group(0 [pid 6067] <... futex resumed>) = ? [pid 6064] <... futex resumed>) = 0 [pid 6061] <... exit_group resumed>) = ? [pid 6060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] +++ exited with 0 +++ [pid 6064] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6063] pwrite64(5, "2", 1, 134220897 [pid 6059] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] <... pwrite64 resumed>) = 1 [pid 6060] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 1 [pid 6059] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6063] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6059] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6064] <... futex resumed>) = 0 [pid 6060] <... futex resumed>) = 1 [pid 6064] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [ 222.576214][ T6066] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 222.594386][ T6066] UDF-fs: Scanning with blocksize 512 failed [ 222.601355][ T6062] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6060] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] <... write resumed>) = 1048576 [pid 6062] +++ exited with 0 +++ [pid 6061] +++ exited with 0 +++ [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6061, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 6066] <... mount resumed>) = 0 [pid 6066] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5859] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6066] <... openat resumed>) = 3 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6069] munmap(0x7f7087200000, 138412032 [pid 6066] chdir("./file0" [pid 5859] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6069] <... munmap resumed>) = 0 [pid 6066] <... chdir resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 6066] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5859] newfstatat(3, "", [pid 6069] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6069] <... openat resumed>) = 4 [pid 6066] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] getdents64(3, [pid 6069] ioctl(4, LOOP_SET_FD, 3 [pid 6066] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6066] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6065] <... futex resumed>) = 0 [pid 5859] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6066] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6065] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6069] <... ioctl resumed>) = 0 [pid 6066] <... openat resumed>) = 4 [pid 6064] <... write resumed>) = 843776 [pid 6060] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5859] unlink("./13/binderfs" [pid 6069] close(3 [pid 6066] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5859] <... unlink resumed>) = 0 [pid 6069] <... close resumed>) = 0 [pid 6066] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6064] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... futex resumed>) = 0 [pid 6059] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6069] close(4 [pid 6066] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] <... futex resumed>) = 0 [pid 6060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6059] <... futex resumed>) = 0 [pid 6069] <... close resumed>) = 0 [pid 6065] <... futex resumed>) = 0 [pid 6060] <... mmap resumed>) = 0x7f708f746000 [pid 6059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6065] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6059] <... mmap resumed>) = 0x7f708f746000 [pid 6066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6064] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] <... mprotect resumed>) = 0 [pid 6059] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6066] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6060] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6059] <... mprotect resumed>) = 0 [pid 6066] <... openat resumed>) = 5 [pid 6060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6070 attached => {parent_tid=[6070]}, 88) = 6070 [pid 6070] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6060] rt_sigprocmask(SIG_SETMASK, [], [pid 6070] <... rseq resumed>) = 0 [pid 6060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6070] set_robust_list(0x7f708f7669a0, 24 [pid 6060] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] <... set_robust_list resumed>) = 0 [pid 6069] mkdir("./file0", 0777 [pid 6066] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... futex resumed>) = 0 [pid 6059] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6070] rt_sigprocmask(SIG_SETMASK, [], [pid 6069] <... mkdir resumed>) = 0 [pid 6066] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6060] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6065] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6065] <... futex resumed>) = 0 [pid 6059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6066] pwrite64(5, "2", 1, 134220897 [pid 6070] <... openat resumed>) = 6 [ 222.624695][ T6066] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 222.657163][ T6069] loop1: detected capacity change from 0 to 2048 [pid 6069] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6065] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6071 attached [pid 6070] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... pwrite64 resumed>) = 1 [pid 6071] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6070] <... futex resumed>) = 1 [pid 6066] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... futex resumed>) = 0 [pid 6059] <... clone3 resumed> => {parent_tid=[6071]}, 88) = 6071 [pid 6070] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6060] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] <... rseq resumed>) = 0 [pid 6066] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6064] <... futex resumed>) = 0 [pid 6063] <... write resumed>) = 843776 [pid 6059] rt_sigprocmask(SIG_SETMASK, [], [pid 6065] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6064] fdatasync(6 [pid 6059] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 222.710608][ T6069] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 222.716794][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 222.724965][ T6069] UDF-fs: Scanning with blocksize 512 failed [pid 6063] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] set_robust_list(0x7f708f7669a0, 24 [pid 6066] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6065] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6063] <... futex resumed>) = 0 [pid 6059] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... umount2 resumed>) = 0 [pid 6060] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6071] <... set_robust_list resumed>) = 0 [pid 6069] <... mount resumed>) = 0 [pid 6064] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] exit_group(0 [pid 6059] <... futex resumed>) = 0 [pid 5859] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6071] rt_sigprocmask(SIG_SETMASK, [], [pid 6070] <... futex resumed>) = ? [pid 6069] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6064] <... futex resumed>) = ? [pid 6060] <... exit_group resumed>) = ? [pid 6059] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6070] +++ exited with 0 +++ [pid 6064] +++ exited with 0 +++ [pid 5859] newfstatat(AT_FDCWD, "./13/file0", [pid 6071] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6069] <... openat resumed>) = 3 [pid 6071] <... openat resumed>) = 6 [pid 6069] chdir("./file0" [pid 6071] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6071] <... futex resumed>) = 1 [pid 6059] <... futex resumed>) = 0 [pid 6071] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6059] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6063] <... futex resumed>) = 0 [pid 6059] <... futex resumed>) = 1 [pid 5859] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6063] fdatasync(6 [pid 6059] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... openat resumed>) = 4 [pid 6063] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5859] newfstatat(4, "", [pid 6063] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6063] <... futex resumed>) = 1 [pid 6059] <... futex resumed>) = 0 [pid 6063] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] getdents64(4, [pid 6059] exit_group(0 [pid 6071] <... futex resumed>) = ? [pid 6069] <... chdir resumed>) = 0 [pid 6063] <... futex resumed>) = ? [pid 6059] <... exit_group resumed>) = ? [pid 6071] +++ exited with 0 +++ [pid 6069] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6063] +++ exited with 0 +++ [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6069] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6069] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6060, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 6068] <... futex resumed>) = 0 [pid 5858] <... restart_syscall resumed>) = 0 [pid 5858] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5858] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./13/binderfs") = 0 [pid 5858] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6068] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] +++ exited with 0 +++ [pid 5859] getdents64(4, [pid 6069] <... futex resumed>) = 0 [pid 6068] <... futex resumed>) = 1 [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6069] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6068] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6059, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5859] close(4 [pid 6069] <... openat resumed>) = 4 [pid 6069] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... close resumed>) = 0 [pid 6069] <... futex resumed>) = 1 [pid 6068] <... futex resumed>) = 0 [pid 6069] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] rmdir("./13/file0" [pid 5857] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] <... futex resumed>) = 0 [pid 6069] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 6068] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6069] <... futex resumed>) = 0 [pid 6068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6069] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... rmdir resumed>) = 0 [pid 6069] <... futex resumed>) = 0 [pid 6068] <... futex resumed>) = 1 [pid 5857] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6069] pwrite64(5, "2", 1, 134220897 [pid 6068] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] <... pwrite64 resumed>) = 1 [pid 6065] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6069] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6068] <... futex resumed>) = 0 [pid 6065] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... futex resumed>) = 0 [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] <... futex resumed>) = 0 [pid 6069] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6068] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6066] <... write resumed>) = 843776 [pid 5859] getdents64(3, [pid 5857] <... openat resumed>) = 3 [pid 6065] <... mmap resumed>) = 0x7f708f746000 [pid 6065] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6065] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5857] newfstatat(3, "", ./strace-static-x86_64: Process 6072 attached [pid 6072] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6072] set_robust_list(0x7f708f7669a0, 24 [ 222.758130][ T6069] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 222.779984][ T6060] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 222.797251][ T6059] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6065] <... clone3 resumed> => {parent_tid=[6072]}, 88) = 6072 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6072] <... set_robust_list resumed>) = 0 [pid 6072] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5857] getdents64(3, [pid 6072] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6065] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] newfstatat(AT_FDCWD, "./13/binderfs", [pid 6066] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] close(3 [pid 6072] <... futex resumed>) = 0 [pid 6066] <... futex resumed>) = 0 [pid 6065] <... futex resumed>) = 1 [pid 5859] <... close resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6066] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] rmdir("./13" [pid 5857] unlink("./13/binderfs" [pid 5859] <... rmdir resumed>) = 0 [pid 5857] <... unlink resumed>) = 0 [pid 5859] mkdir("./14", 0777 [pid 5857] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... mkdir resumed>) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5859] ioctl(3, LOOP_CLR_FD) = 0 [pid 5859] close(3 [pid 6072] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6068] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5859] <... close resumed>) = 0 [pid 6068] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6068] <... futex resumed>) = 0 [pid 6068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6073 ./strace-static-x86_64: Process 6073 attached [pid 6072] <... openat resumed>) = 6 [pid 6068] <... mmap resumed>) = 0x7f708f746000 [pid 6072] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6073] set_robust_list(0x55559362e6a0, 24 [pid 6072] <... futex resumed>) = 1 [pid 6068] <... mprotect resumed>) = 0 [pid 6065] <... futex resumed>) = 0 [pid 6068] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6065] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6066] <... futex resumed>) = 0 [pid 6065] <... futex resumed>) = 1 [pid 6068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6066] fdatasync(6 [pid 6065] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6074 attached [pid 6066] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6074] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6068] <... clone3 resumed> => {parent_tid=[6074]}, 88) = 6074 [pid 6066] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... rseq resumed>) = 0 [pid 6068] rt_sigprocmask(SIG_SETMASK, [], [pid 6066] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6074] set_robust_list(0x7f708f7669a0, 24 [pid 6068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6066] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] exit_group(0 [pid 6074] <... set_robust_list resumed>) = 0 [pid 6068] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... futex resumed>) = ? [pid 6065] <... exit_group resumed>) = ? [pid 6074] rt_sigprocmask(SIG_SETMASK, [], [pid 6068] <... futex resumed>) = 0 [pid 6066] +++ exited with 0 +++ [pid 6074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6068] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6073] <... set_robust_list resumed>) = 0 [pid 6074] <... openat resumed>) = 6 [pid 6074] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6068] <... futex resumed>) = 0 [pid 6074] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] <... futex resumed>) = 0 [pid 6074] fdatasync(6 [pid 6068] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] <... fdatasync resumed>) = 0 [pid 6074] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6068] <... futex resumed>) = 0 [ 222.846301][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6074] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6073] chdir("./14" [pid 6069] <... write resumed>) = 843776 [pid 6073] <... chdir resumed>) = 0 [pid 6069] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] exit_group(0 [pid 6074] <... futex resumed>) = ? [pid 6069] <... futex resumed>) = ? [pid 6068] <... exit_group resumed>) = ? [pid 6074] +++ exited with 0 +++ [pid 6073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6072] +++ exited with 0 +++ [pid 6069] +++ exited with 0 +++ [pid 6065] +++ exited with 0 +++ [pid 5858] <... umount2 resumed>) = 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6065, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6073] <... prctl resumed>) = 0 [pid 5858] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6073] setpgid(0, 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6073] <... setpgid resumed>) = 0 [pid 5858] newfstatat(AT_FDCWD, "./13/file0", [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 222.896269][ T6072] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 222.919195][ T6068] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5855] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6073] <... openat resumed>) = 3 [pid 5858] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... openat resumed>) = 3 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6073] write(3, "1000", 4 [pid 5858] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6073] <... write resumed>) = 4 [pid 6068] +++ exited with 0 +++ [pid 5858] <... openat resumed>) = 4 [pid 5855] newfstatat(3, "", [pid 6073] close(3 [pid 5858] newfstatat(4, "", [pid 6073] <... close resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6073] symlink("/dev/binderfs", "./binderfs" [pid 5858] getdents64(4, [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6073] <... symlink resumed>) = 0 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6068, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5855] getdents64(3, executing program [pid 6073] write(1, "executing program\n", 18 [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6073] <... write resumed>) = 18 [pid 5858] getdents64(4, [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6073] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6073] <... futex resumed>) = 0 [pid 5858] close(4 [pid 6073] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5858] <... close resumed>) = 0 [pid 6073] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5858] rmdir("./13/file0" [pid 6073] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5856] <... openat resumed>) = 3 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(3, "", [pid 6073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... rmdir resumed>) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] newfstatat(AT_FDCWD, "./13/binderfs", [pid 6073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] getdents64(3, [pid 5856] getdents64(3, [pid 6073] <... mmap resumed>) = 0x7f708f767000 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6073] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5858] close(3 [pid 5856] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] unlink("./13/binderfs" [pid 6073] <... mprotect resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... unlink resumed>) = 0 [pid 5858] rmdir("./13" [pid 5856] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5855] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./13/binderfs" [pid 5858] <... rmdir resumed>) = 0 [pid 6073] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5858] mkdir("./14", 0777 [pid 5856] <... unlink resumed>) = 0 [pid 5858] <... mkdir resumed>) = 0 [ 222.939528][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5856] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD) = 0 [pid 5858] close(3./strace-static-x86_64: Process 6075 attached [pid 6075] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 [pid 6073] <... clone3 resumed> => {parent_tid=[6075]}, 88) = 6075 [pid 5858] <... close resumed>) = 0 [pid 5857] <... umount2 resumed>) = 0 [pid 6075] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6075] rt_sigprocmask(SIG_SETMASK, [], [pid 6073] rt_sigprocmask(SIG_SETMASK, [], [pid 6075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6075] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6073] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6076 [pid 5857] newfstatat(AT_FDCWD, "./13/file0", [pid 6075] <... futex resumed>) = 0 [pid 6075] memfd_create("syzkaller", 0 [pid 6073] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6075] <... memfd_create resumed>) = 3 [pid 5857] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [ 222.991954][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6076 attached [pid 6076] set_robust_list(0x55559362e6a0, 24 [pid 6075] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5857] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6076] <... set_robust_list resumed>) = 0 [pid 5857] <... openat resumed>) = 4 [pid 6076] chdir("./14" [pid 5857] newfstatat(4, "", [pid 6076] <... chdir resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] <... umount2 resumed>) = 0 [pid 5857] getdents64(4, [pid 6076] <... prctl resumed>) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6076] setpgid(0, 0 [pid 5857] close(4 [pid 6076] <... setpgid resumed>) = 0 [pid 5857] <... close resumed>) = 0 [pid 5857] rmdir("./13/file0" [pid 6076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... rmdir resumed>) = 0 [pid 5857] getdents64(3, [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6076] <... openat resumed>) = 3 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] newfstatat(AT_FDCWD, "./13/file0", [pid 5857] close(3 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... close resumed>) = 0 [pid 5855] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] rmdir("./13" [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6076] write(3, "1000", 4 [pid 5855] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6076] <... write resumed>) = 4 [pid 5857] <... rmdir resumed>) = 0 [pid 5857] mkdir("./14", 0777 [pid 5855] <... openat resumed>) = 4 [pid 6076] close(3 [pid 5855] newfstatat(4, "", [pid 6076] <... close resumed>) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6076] symlink("/dev/binderfs", "./binderfs" [pid 5857] <... mkdir resumed>) = 0 [pid 5855] getdents64(4, [pid 6076] <... symlink resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6076] write(1, "executing program\n", 18executing program [pid 5857] <... openat resumed>) = 3 [pid 5855] getdents64(4, [pid 6076] <... write resumed>) = 18 [pid 5857] ioctl(3, LOOP_CLR_FD [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6076] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... ioctl resumed>) = 0 [pid 5855] close(4 [pid 6076] <... futex resumed>) = 0 [pid 5857] close(3 [pid 5855] <... close resumed>) = 0 [pid 6076] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5855] rmdir("./13/file0" [pid 6076] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5855] <... rmdir resumed>) = 0 [pid 6076] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5855] getdents64(3, [pid 6076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5855] close(3) = 0 [pid 6076] <... mmap resumed>) = 0x7f708f767000 [pid 5855] rmdir("./13" [pid 6076] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5855] <... rmdir resumed>) = 0 [pid 6076] <... mprotect resumed>) = 0 [pid 5855] mkdir("./14", 0777 [pid 6076] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5855] <... mkdir resumed>) = 0 [pid 6076] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5855] <... openat resumed>) = 3 [pid 6076] <... clone3 resumed> => {parent_tid=[6077]}, 88) = 6077 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 6076] rt_sigprocmask(SIG_SETMASK, [], [pid 6075] <... write resumed>) = 1048576 [pid 5855] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6077 attached [pid 6076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6076] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [ 223.046282][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5855] close(3 [pid 6077] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6076] <... futex resumed>) = 0 [pid 5857] <... close resumed>) = 0 [pid 5856] <... umount2 resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 6077] <... rseq resumed>) = 0 [pid 6076] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6075] munmap(0x7f7087200000, 138412032 [pid 6077] set_robust_list(0x7f708f7879a0, 24 [pid 6075] <... munmap resumed>) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6077] <... set_robust_list resumed>) = 0 [pid 6077] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] newfstatat(AT_FDCWD, "./13/file0", [pid 6077] memfd_create("syzkaller", 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6075] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5856] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6078 attached [pid 6077] <... memfd_create resumed>) = 3 [pid 6075] ioctl(4, LOOP_SET_FD, 3 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6078] set_robust_list(0x55559362e6a0, 24 [pid 5856] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6078] <... set_robust_list resumed>) = 0 [pid 6077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6075] <... ioctl resumed>) = 0 [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6078 [pid 5856] <... openat resumed>) = 4 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6078] chdir("./14" [pid 6077] <... mmap resumed>) = 0x7f7087200000 [pid 5856] newfstatat(4, "", [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6079 ./strace-static-x86_64: Process 6079 attached [pid 6078] <... chdir resumed>) = 0 [pid 6077] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6075] close(3) = 0 [pid 6075] close(4 [pid 5856] getdents64(4, [pid 6075] <... close resumed>) = 0 [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6075] mkdir("./file0", 0777 [pid 5856] getdents64(4, [pid 6078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6075] <... mkdir resumed>) = 0 [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] close(4 [pid 6075] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 5856] <... close resumed>) = 0 [pid 5856] rmdir("./13/file0" [pid 6079] set_robust_list(0x55559362e6a0, 24) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 6079] chdir("./14") = 0 [pid 5856] getdents64(3, [pid 6078] <... prctl resumed>) = 0 [pid 6079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6078] setpgid(0, 0 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6078] <... setpgid resumed>) = 0 [pid 5856] close(3 [pid 6078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... close resumed>) = 0 [pid 5856] rmdir("./13" [pid 6078] <... openat resumed>) = 3 [pid 5856] <... rmdir resumed>) = 0 [pid 6078] write(3, "1000", 4 [pid 5856] mkdir("./14", 0777 [pid 6079] <... prctl resumed>) = 0 [pid 6078] <... write resumed>) = 4 [pid 6078] close(3 [pid 6079] setpgid(0, 0 [pid 6078] <... close resumed>) = 0 [pid 5856] <... mkdir resumed>) = 0 [pid 6079] <... setpgid resumed>) = 0 [pid 6078] symlink("/dev/binderfs", "./binderfs" [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 6079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6078] <... symlink resumed>) = 0 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 6079] <... openat resumed>) = 3 [pid 6078] write(1, "executing program\n", 18 [pid 5856] <... ioctl resumed>) = 0 [pid 6079] write(3, "1000", 4 [pid 6078] <... write resumed>) = 18 [pid 5856] close(3 [pid 6079] <... write resumed>) = 4 [pid 6079] close(3 [pid 6078] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6079] <... close resumed>) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6079] symlink("/dev/binderfs", "./binderfs" [pid 6078] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6079] <... symlink resumed>) = 0 [pid 6078] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6077] <... write resumed>) = 1048576 [pid 6078] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 6079] write(1, "executing program\n", 18 [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6079] <... write resumed>) = 18 [pid 6078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5856] <... close resumed>) = 0 [pid 6078] <... mmap resumed>) = 0x7f708f767000 [pid 6079] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 223.123510][ T6075] loop4: detected capacity change from 0 to 2048 [ 223.158566][ T6075] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [pid 6078] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6079] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6078] <... mprotect resumed>) = 0 [pid 6077] munmap(0x7f7087200000, 138412032 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6079] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6078] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6079] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6078] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6077] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 6080 attached [pid 6079] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6077] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6080 [pid 6079] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6077] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6082 attached ./strace-static-x86_64: Process 6081 attached [pid 6080] set_robust_list(0x55559362e6a0, 24 [pid 6078] <... clone3 resumed> => {parent_tid=[6081]}, 88) = 6081 [pid 6081] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6080] <... set_robust_list resumed>) = 0 [pid 6078] rt_sigprocmask(SIG_SETMASK, [], [pid 6079] <... clone3 resumed> => {parent_tid=[6082]}, 88) = 6082 [pid 6081] <... rseq resumed>) = 0 [pid 6080] chdir("./14" [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6079] rt_sigprocmask(SIG_SETMASK, [], [pid 6082] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6081] set_robust_list(0x7f708f7879a0, 24 [pid 6077] ioctl(4, LOOP_SET_FD, 3 [ 223.184947][ T6075] UDF-fs: Scanning with blocksize 512 failed [ 223.220523][ T6075] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6082] <... rseq resumed>) = 0 [pid 6081] <... set_robust_list resumed>) = 0 [pid 6080] <... chdir resumed>) = 0 [pid 6079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6078] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... mount resumed>) = 0 [pid 6081] rt_sigprocmask(SIG_SETMASK, [], [pid 6080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6075] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6080] <... prctl resumed>) = 0 [pid 6075] <... openat resumed>) = 3 [pid 6082] set_robust_list(0x7f708f7879a0, 24 [pid 6081] memfd_create("syzkaller", 0 [pid 6080] setpgid(0, 0 [pid 6079] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] <... futex resumed>) = 0 [pid 6081] <... memfd_create resumed>) = 3 [pid 6080] <... setpgid resumed>) = 0 [pid 6078] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6075] chdir("./file0" [pid 6079] <... futex resumed>) = 0 [pid 6082] <... set_robust_list resumed>) = 0 [pid 6081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6075] <... chdir resumed>) = 0 [pid 6082] rt_sigprocmask(SIG_SETMASK, [], [pid 6081] <... mmap resumed>) = 0x7f7087200000 [pid 6079] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6075] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6082] memfd_create("syzkaller", 0 [pid 6080] <... openat resumed>) = 3 [pid 6075] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6080] write(3, "1000", 4 [pid 6075] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... write resumed>) = 4 [pid 6075] <... futex resumed>) = 1 [pid 6080] close(3 [pid 6075] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] <... close resumed>) = 0 [pid 6080] symlink("/dev/binderfs", "./binderfs"executing program [pid 6082] <... memfd_create resumed>) = 3 [pid 6080] <... symlink resumed>) = 0 [pid 6082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6073] <... futex resumed>) = 0 [pid 6080] write(1, "executing program\n", 18 [pid 6082] <... mmap resumed>) = 0x7f7087200000 [pid 6080] <... write resumed>) = 18 [pid 6073] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6075] <... futex resumed>) = 0 [pid 6075] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6080] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6080] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6080] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6080] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6080] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6075] <... openat resumed>) = 4 [pid 6073] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6075] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6083 attached [pid 6081] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6075] <... futex resumed>) = 0 [pid 6073] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6075] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6073] <... futex resumed>) = 0 [pid 6080] <... clone3 resumed> => {parent_tid=[6083]}, 88) = 6083 [pid 6075] <... openat resumed>) = 5 [pid 6073] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] <... rseq resumed>) = 0 [pid 6082] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6080] rt_sigprocmask(SIG_SETMASK, [], [pid 6083] set_robust_list(0x7f708f7879a0, 24 [pid 6080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6075] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... set_robust_list resumed>) = 0 [pid 6080] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... futex resumed>) = 1 [pid 6083] rt_sigprocmask(SIG_SETMASK, [], [pid 6075] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6080] <... futex resumed>) = 0 [pid 6083] memfd_create("syzkaller", 0 [pid 6080] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6083] <... memfd_create resumed>) = 3 [pid 6077] <... ioctl resumed>) = 0 [pid 6073] <... futex resumed>) = 0 [pid 6083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6077] close(3 [pid 6073] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... mmap resumed>) = 0x7f7087200000 [pid 6081] <... write resumed>) = 1048576 [pid 6077] <... close resumed>) = 0 [pid 6075] <... futex resumed>) = 0 [pid 6073] <... futex resumed>) = 1 [pid 6073] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] close(4 [pid 6075] pwrite64(5, "2", 1, 134220897) = 1 [pid 6077] <... close resumed>) = 0 [ 223.228790][ T6077] loop3: detected capacity change from 0 to 2048 [pid 6083] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6077] mkdir("./file0", 0777 [pid 6075] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6075] <... futex resumed>) = 0 [pid 6073] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6082] <... write resumed>) = 1048576 [pid 6077] <... mkdir resumed>) = 0 [pid 6073] <... futex resumed>) = 0 [pid 6073] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6081] munmap(0x7f7087200000, 138412032 [pid 6082] munmap(0x7f7087200000, 138412032 [pid 6081] <... munmap resumed>) = 0 [pid 6082] <... munmap resumed>) = 0 [pid 6081] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6081] ioctl(4, LOOP_SET_FD, 3 [pid 6082] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6083] <... write resumed>) = 1048576 [pid 6082] ioctl(4, LOOP_SET_FD, 3 [pid 6083] munmap(0x7f7087200000, 138412032) = 0 [pid 6083] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 223.289512][ T6077] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 223.292757][ T6081] loop2: detected capacity change from 0 to 2048 [ 223.319278][ T6082] loop0: detected capacity change from 0 to 2048 [ 223.328979][ T6077] UDF-fs: Scanning with blocksize 512 failed [pid 6083] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6083] close(3) = 0 [pid 6083] close(4) = 0 [pid 6083] mkdir("./file0", 0777) = 0 [pid 6083] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6081] <... ioctl resumed>) = 0 [pid 6082] <... ioctl resumed>) = 0 [pid 6073] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6082] close(3 [pid 6073] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6082] <... close resumed>) = 0 [pid 6073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6082] close(4) = 0 [pid 6082] mkdir("./file0", 0777 [pid 6073] <... mmap resumed>) = 0x7f708f746000 [pid 6082] <... mkdir resumed>) = 0 [pid 6073] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6082] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6081] close(3) = 0 [pid 6081] close(4) = 0 [pid 6073] <... mprotect resumed>) = 0 [pid 6073] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6081] mkdir("./file0", 0777 [pid 6073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6084 attached [pid 6081] <... mkdir resumed>) = 0 [pid 6081] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6084] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6073] <... clone3 resumed> => {parent_tid=[6084]}, 88) = 6084 [pid 6073] rt_sigprocmask(SIG_SETMASK, [], [pid 6084] <... rseq resumed>) = 0 [pid 6073] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 223.328976][ T6083] loop1: detected capacity change from 0 to 2048 [ 223.335448][ T6083] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 223.375809][ T6077] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6084] set_robust_list(0x7f708f7669a0, 24 [pid 6073] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... set_robust_list resumed>) = 0 [pid 6073] <... futex resumed>) = 0 [pid 6084] rt_sigprocmask(SIG_SETMASK, [], [pid 6077] <... mount resumed>) = 0 [pid 6073] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6077] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6084] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6077] <... openat resumed>) = 3 [pid 6084] <... openat resumed>) = 6 [ 223.388518][ T6081] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 223.393101][ T6082] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 223.413128][ T6083] UDF-fs: Scanning with blocksize 512 failed [ 223.414584][ T6082] UDF-fs: Scanning with blocksize 512 failed [ 223.429464][ T6081] UDF-fs: Scanning with blocksize 512 failed [pid 6077] chdir("./file0" [pid 6084] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] <... chdir resumed>) = 0 [pid 6084] <... futex resumed>) = 1 [pid 6077] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6073] <... futex resumed>) = 0 [pid 6084] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6073] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6077] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6073] <... futex resumed>) = 0 [pid 6084] fdatasync(6) = 0 [pid 6082] <... mount resumed>) = 0 [pid 6077] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6075] <... write resumed>) = 843776 [pid 6084] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... mount resumed>) = 0 [pid 6082] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6077] <... futex resumed>) = 1 [pid 6076] <... futex resumed>) = 0 [pid 6077] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] <... openat resumed>) = 3 [pid 6083] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6084] <... futex resumed>) = 1 [pid 6073] <... futex resumed>) = 0 [pid 6083] <... openat resumed>) = 3 [pid 6084] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6083] chdir("./file0" [pid 6082] chdir("./file0" [pid 6076] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] exit_group(0 [ 223.438255][ T6082] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 223.456044][ T6083] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6084] <... futex resumed>) = ? [pid 6083] <... chdir resumed>) = 0 [pid 6082] <... chdir resumed>) = 0 [pid 6077] <... futex resumed>) = 0 [pid 6076] <... futex resumed>) = 1 [pid 6075] <... futex resumed>) = ? [pid 6073] <... exit_group resumed>) = ? [pid 6084] +++ exited with 0 +++ [pid 6083] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6082] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6077] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6083] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6082] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6083] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... futex resumed>) = 1 [pid 6082] <... futex resumed>) = 1 [pid 6079] <... futex resumed>) = 0 [pid 6083] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] <... futex resumed>) = 0 [pid 6079] <... futex resumed>) = 0 [pid 6077] <... openat resumed>) = 4 [pid 6076] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6082] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6080] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... openat resumed>) = 4 [pid 6077] <... futex resumed>) = 0 [pid 6082] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] <... futex resumed>) = 1 [pid 6079] <... futex resumed>) = 0 [pid 6082] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] <... futex resumed>) = 0 [pid 6082] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6079] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6082] <... openat resumed>) = 5 [pid 6082] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6079] <... futex resumed>) = 0 [pid 6082] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] <... futex resumed>) = 0 [pid 6082] pwrite64(5, "2", 1, 134220897 [pid 6079] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] <... futex resumed>) = 0 [pid 6082] <... pwrite64 resumed>) = 1 [pid 6080] <... futex resumed>) = 1 [pid 6083] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6082] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... openat resumed>) = 4 [pid 6082] <... futex resumed>) = 1 [pid 6080] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6079] <... futex resumed>) = 0 [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6083] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] <... futex resumed>) = 0 [pid 6076] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6080] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] <... futex resumed>) = 0 [pid 6076] <... futex resumed>) = 1 [pid 6083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6081] <... mount resumed>) = 0 [pid 6080] <... futex resumed>) = 0 [pid 6077] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6076] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6081] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6080] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] <... openat resumed>) = 5 [pid 6075] +++ exited with 0 +++ [pid 6073] +++ exited with 0 +++ [pid 6083] <... openat resumed>) = 5 [pid 6081] <... openat resumed>) = 3 [pid 6077] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6073, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 6083] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] chdir("./file0" [pid 6077] <... futex resumed>) = 1 [pid 6076] <... futex resumed>) = 0 [pid 5859] restart_syscall(<... resuming interrupted clone ...> [pid 6083] <... futex resumed>) = 1 [pid 6081] <... chdir resumed>) = 0 [pid 6080] <... futex resumed>) = 0 [pid 6077] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... restart_syscall resumed>) = 0 [pid 6083] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6081] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6080] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6076] <... futex resumed>) = 0 [pid 6083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6081] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6080] <... futex resumed>) = 0 [pid 6077] pwrite64(5, "2", 1, 134220897 [pid 6076] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] pwrite64(5, "2", 1, 134220897 [pid 6081] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6083] <... pwrite64 resumed>) = 1 [pid 6081] <... futex resumed>) = 1 [pid 6078] <... futex resumed>) = 0 [pid 6077] <... pwrite64 resumed>) = 1 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6083] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6083] <... futex resumed>) = 1 [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = 1 [pid 6076] <... futex resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 6083] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6081] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6080] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] newfstatat(3, "", [pid 6083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6081] <... openat resumed>) = 4 [pid 6080] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6076] <... futex resumed>) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6081] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6076] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] getdents64(3, [pid 6081] <... futex resumed>) = 1 [pid 6078] <... futex resumed>) = 0 [pid 6077] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6081] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6081] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6078] <... futex resumed>) = 0 [pid 5859] newfstatat(AT_FDCWD, "./14/binderfs", [pid 6081] <... openat resumed>) = 5 [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6081] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] unlink("./14/binderfs" [pid 6081] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... unlink resumed>) = 0 [pid 6081] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6078] <... futex resumed>) = 0 [pid 6081] pwrite64(5, "2", 1, 134220897 [pid 6078] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6081] <... pwrite64 resumed>) = 1 [pid 6081] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6081] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 223.480349][ T6081] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 223.493983][ T6075] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6078] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 1 [pid 6081] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6078] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6079] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6079] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6079] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6080] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6078] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6076] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6076] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6076] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6080] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... mprotect resumed>) = 0 [pid 6076] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6080] <... futex resumed>) = 0 [pid 6076] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6080] <... mmap resumed>) = 0x7f708f746000 [pid 6079] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6078] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6080] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6076] <... clone3 resumed> => {parent_tid=[6085]}, 88) = 6085 [pid 6078] <... mmap resumed>) = 0x7f708f746000 [pid 6078] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6079] <... clone3 resumed> => {parent_tid=[6086]}, 88) = 6086 [pid 6076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6076] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6079] rt_sigprocmask(SIG_SETMASK, [], [pid 6076] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6078] <... mprotect resumed>) = 0 [pid 6080] <... mprotect resumed>) = 0 [pid 6080] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6087]}, 88) = 6087 [pid 6080] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6080] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6080] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6087 attached [pid 6087] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6087] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6087] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 ./strace-static-x86_64: Process 6086 attached ./strace-static-x86_64: Process 6085 attached [ 223.572184][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6083] <... write resumed>) = 843776 [pid 6079] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6077] <... write resumed>) = 843776 [pid 6079] <... futex resumed>) = 0 [pid 6078] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6085] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6085] <... rseq resumed>) = 0 [pid 6087] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... futex resumed>) = 0 [pid 6080] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6080] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6087] <... futex resumed>) = 1 [pid 6087] fdatasync(6 [pid 6085] set_robust_list(0x7f708f7669a0, 24 [pid 6079] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6088 attached [pid 6086] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6085] rt_sigprocmask(SIG_SETMASK, [], [pid 6077] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] <... rseq resumed>) = 0 [pid 6085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6078] <... clone3 resumed> => {parent_tid=[6088]}, 88) = 6088 [pid 6077] <... futex resumed>) = 0 [pid 6086] set_robust_list(0x7f708f7669a0, 24 [pid 6085] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6077] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] rt_sigprocmask(SIG_SETMASK, [], [pid 6088] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6088] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6088] rt_sigprocmask(SIG_SETMASK, [], [pid 6085] <... openat resumed>) = 6 [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6086] <... set_robust_list resumed>) = 0 [pid 6078] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] <... futex resumed>) = 0 [pid 6086] rt_sigprocmask(SIG_SETMASK, [], [pid 6078] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6086] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6088] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6087] <... fdatasync resumed>) = 0 [pid 6087] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... futex resumed>) = 0 [pid 6086] <... openat resumed>) = 6 [pid 6086] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... futex resumed>) = 1 [pid 6076] <... futex resumed>) = 0 [pid 6086] <... futex resumed>) = 1 [pid 6085] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] <... futex resumed>) = 0 [pid 6083] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6083] <... futex resumed>) = 0 [pid 6079] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] <... futex resumed>) = 0 [pid 6076] <... futex resumed>) = 1 [pid 6083] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] <... futex resumed>) = 0 [pid 6077] fdatasync(6 [pid 6076] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] <... openat resumed>) = 6 [pid 6087] <... futex resumed>) = 1 [pid 6086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6082] <... write resumed>) = 843776 [pid 6080] exit_group(0 [pid 6079] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6088] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] fdatasync(6 [pid 6083] <... futex resumed>) = ? [pid 6082] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... exit_group resumed>) = ? [pid 6077] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... futex resumed>) = 1 [pid 6078] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = 1 [pid 6076] <... futex resumed>) = 0 [pid 6086] <... fdatasync resumed>) = 0 [pid 6083] +++ exited with 0 +++ [pid 6078] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] exit_group(0 [pid 6085] <... futex resumed>) = ? [pid 6082] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6086] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] <... futex resumed>) = ? [pid 6076] <... exit_group resumed>) = ? [pid 6086] <... futex resumed>) = 1 [pid 6085] +++ exited with 0 +++ [pid 6082] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] <... futex resumed>) = 0 [pid 6078] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] +++ exited with 0 +++ [pid 5859] <... umount2 resumed>) = 0 [pid 6088] fdatasync(6 [pid 6086] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6081] <... write resumed>) = 843776 [pid 6079] exit_group(0) = ? [pid 6076] +++ exited with 0 +++ [pid 5859] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6082] <... futex resumed>) = ? [pid 6086] <... futex resumed>) = ? [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6082] +++ exited with 0 +++ [pid 5859] newfstatat(AT_FDCWD, "./14/file0", [pid 6087] +++ exited with 0 +++ [pid 6080] +++ exited with 0 +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6080, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 5859] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6088] <... fdatasync resumed>) = 0 [pid 6081] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6088] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6081] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 0 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6076, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5856] <... restart_syscall resumed>) = 0 [pid 6088] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6086] +++ exited with 0 +++ [pid 6081] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] +++ exited with 0 +++ [pid 6078] exit_group(0 [pid 5859] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6088] <... futex resumed>) = ? [pid 6081] <... futex resumed>) = ? [pid 6078] <... exit_group resumed>) = ? [pid 5859] <... openat resumed>) = 4 [pid 5858] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6088] +++ exited with 0 +++ [pid 6081] +++ exited with 0 +++ [pid 5859] newfstatat(4, "", [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6079, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5859] getdents64(4, [pid 5856] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] <... openat resumed>) = 3 [pid 5859] getdents64(4, [pid 5856] newfstatat(3, "", [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] close(4) = 0 [pid 5856] getdents64(3, [pid 5859] rmdir("./14/file0") = 0 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] close(3 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... close resumed>) = 0 [pid 5859] rmdir("./14" [pid 5856] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5859] <... rmdir resumed>) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 223.656503][ T6076] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 223.669400][ T6087] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 223.684210][ T6086] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5856] unlink("./14/binderfs" [pid 5859] mkdir("./15", 0777 [pid 5856] <... unlink resumed>) = 0 [pid 5859] <... mkdir resumed>) = 0 [pid 5856] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5858] <... openat resumed>) = 3 [pid 5855] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... openat resumed>) = 3 [pid 5858] newfstatat(3, "", [pid 6078] +++ exited with 0 +++ [pid 5859] ioctl(3, LOOP_CLR_FD [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6078, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5855] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] <... ioctl resumed>) = 0 [pid 5858] getdents64(3, [pid 5855] <... openat resumed>) = 3 [pid 5859] close(3 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, [pid 5858] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5858] unlink("./14/binderfs" [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] <... unlink resumed>) = 0 [pid 5855] unlink("./14/binderfs") = 0 [pid 5858] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] <... close resumed>) = 0 [pid 5857] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./14/binderfs" [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] <... unlink resumed>) = 0 [pid 5857] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6089 attached [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6089 [ 223.699162][ T6078] UDF-fs: warning (device loop2): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 223.714980][ T6078] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6089] set_robust_list(0x55559362e6a0, 24) = 0 [pid 6089] chdir("./15") = 0 [ 223.765565][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6089] setpgid(0, 0) = 0 [pid 6089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6089] write(3, "1000", 4) = 4 [pid 5857] <... umount2 resumed>) = 0 [pid 6089] close(3 [pid 5857] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6089] <... close resumed>) = 0 [ 223.799270][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [ 223.824865][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. executing program [pid 6089] symlink("/dev/binderfs", "./binderfs" [pid 5858] <... umount2 resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... umount2 resumed>) = 0 [pid 6089] <... symlink resumed>) = 0 [pid 5858] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] newfstatat(AT_FDCWD, "./14/file0", [pid 6089] write(1, "executing program\n", 18 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6089] <... write resumed>) = 18 [pid 5858] newfstatat(AT_FDCWD, "./14/file0", [pid 5857] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] <... futex resumed>) = 0 [pid 5857] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] newfstatat(AT_FDCWD, "./14/file0", [pid 6089] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5858] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... openat resumed>) = 4 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6089] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(4, "", [pid 6089] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5858] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... openat resumed>) = 4 [pid 5857] getdents64(4, [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6089] <... mmap resumed>) = 0x7f708f767000 [pid 5857] getdents64(4, [pid 6089] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6089] <... mprotect resumed>) = 0 [pid 5857] close(4 [pid 6089] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5857] <... close resumed>) = 0 [pid 6089] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5857] rmdir("./14/file0" [pid 6089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5857] <... rmdir resumed>) = 0 [pid 5856] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] newfstatat(4, "", [pid 5857] getdents64(3, [pid 5856] <... openat resumed>) = 4 [pid 6089] <... clone3 resumed> => {parent_tid=[6090]}, 88) = 6090 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] newfstatat(4, "", ./strace-static-x86_64: Process 6090 attached [pid 6089] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] getdents64(4, [pid 5857] close(3 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] <... close resumed>) = 0 [pid 5856] getdents64(4, [pid 6089] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] getdents64(4, [pid 5857] rmdir("./14" [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6090] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6089] <... futex resumed>) = 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 5856] getdents64(4, [pid 6090] <... rseq resumed>) = 0 [pid 6089] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5858] close(4 [pid 5857] mkdir("./15", 0777 [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6090] set_robust_list(0x7f708f7879a0, 24 [pid 5858] <... close resumed>) = 0 [pid 5857] <... mkdir resumed>) = 0 [pid 5856] close(4 [pid 6090] <... set_robust_list resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6090] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5858] rmdir("./14/file0" [pid 5857] <... openat resumed>) = 3 [pid 5856] <... close resumed>) = 0 [pid 6090] memfd_create("syzkaller", 0 [pid 5858] <... rmdir resumed>) = 0 [pid 5857] ioctl(3, LOOP_CLR_FD [pid 5856] rmdir("./14/file0" [pid 6090] <... memfd_create resumed>) = 3 [pid 6090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5858] getdents64(3, [pid 5857] <... ioctl resumed>) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 5855] <... umount2 resumed>) = 0 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] close(3 [pid 5858] close(3) = 0 [ 223.848585][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5858] rmdir("./14" [pid 6090] <... mmap resumed>) = 0x7f7087200000 [pid 5857] <... close resumed>) = 0 [pid 5856] getdents64(3, [pid 5855] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 5856] rmdir("./14") = 0 [pid 6090] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5858] <... rmdir resumed>) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] mkdir("./15", 0777 [pid 5855] newfstatat(AT_FDCWD, "./14/file0", ./strace-static-x86_64: Process 6091 attached [pid 5856] <... mkdir resumed>) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6091] set_robust_list(0x55559362e6a0, 24 [pid 5858] mkdir("./15", 0777 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5855] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6091] <... set_robust_list resumed>) = 0 [pid 5858] <... mkdir resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6091] chdir("./15" [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6091 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 5855] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6091] <... chdir resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5856] <... ioctl resumed>) = 0 [pid 5855] <... openat resumed>) = 4 [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5856] close(3 [pid 5855] newfstatat(4, "", [pid 5858] <... ioctl resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] close(3 [pid 5855] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] close(4) = 0 [pid 5855] rmdir("./14/file0") = 0 [pid 5855] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 5855] rmdir("./14") = 0 [pid 5855] mkdir("./15", 0777) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5855] ioctl(3, LOOP_CLR_FD) = 0 [pid 5855] close(3 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 6092 attached [pid 5855] <... close resumed>) = 0 [pid 6092] set_robust_list(0x55559362e6a0, 24 [pid 6091] setpgid(0, 0 [pid 6090] <... write resumed>) = 1048576 [pid 5858] <... close resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6091] <... setpgid resumed>) = 0 [pid 6092] <... set_robust_list resumed>) = 0 [pid 6091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6090] munmap(0x7f7087200000, 138412032./strace-static-x86_64: Process 6093 attached [pid 6092] chdir("./15" [pid 6091] <... openat resumed>) = 3 [pid 6090] <... munmap resumed>) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6092 [pid 6093] set_robust_list(0x55559362e6a0, 24 [pid 6091] write(3, "1000", 4 [pid 6093] <... set_robust_list resumed>) = 0 [pid 6091] <... write resumed>) = 4 [pid 6091] close(3 [pid 6093] chdir("./15" [pid 6092] <... chdir resumed>) = 0 [pid 6091] <... close resumed>) = 0 [pid 6092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6091] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6094 attached [pid 6093] <... chdir resumed>) = 0 [pid 6094] set_robust_list(0x55559362e6a0, 24 [pid 6092] <... prctl resumed>) = 0 [pid 6091] <... symlink resumed>) = 0 [pid 6090] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6094 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6093 [pid 6091] write(1, "executing program\n", 18 [pid 6092] setpgid(0, 0 [pid 6090] <... openat resumed>) = 4 [pid 6092] <... setpgid resumed>) = 0 [pid 6090] ioctl(4, LOOP_SET_FD, 3 [pid 6092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6094] <... set_robust_list resumed>) = 0 [pid 6093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6092] <... openat resumed>) = 3 [pid 6091] <... write resumed>) = 18 [pid 6092] write(3, "1000", 4) = 4 [pid 6091] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... prctl resumed>) = 0 [pid 6092] close(3 [pid 6094] chdir("./15" [pid 6091] <... futex resumed>) = 0 [pid 6093] setpgid(0, 0 [pid 6091] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6093] <... setpgid resumed>) = 0 [pid 6091] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6092] <... close resumed>) = 0 [pid 6091] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6094] <... chdir resumed>) = 0 [pid 6093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6092] symlink("/dev/binderfs", "./binderfs" [pid 6091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6093] <... openat resumed>) = 3 [pid 6092] <... symlink resumed>) = 0 [pid 6091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6094] setpgid(0, 0 [pid 6092] write(1, "executing program\n", 18executing program [pid 6094] <... setpgid resumed>) = 0 [pid 6091] <... mmap resumed>) = 0x7f708f767000 [pid 6093] write(3, "1000", 4 [pid 6094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6093] <... write resumed>) = 4 [pid 6092] <... write resumed>) = 18 [pid 6091] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6093] close(3 [pid 6092] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... mprotect resumed>) = 0 [pid 6093] <... close resumed>) = 0 [pid 6092] <... futex resumed>) = 0 [pid 6092] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6091] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6093] symlink("/dev/binderfs", "./binderfs" [pid 6091] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6092] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6092] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6093] <... symlink resumed>) = 0 [pid 6092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}executing program [pid 6093] write(1, "executing program\n", 18 [pid 6092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6095 attached [pid 6093] <... write resumed>) = 18 [pid 6092] <... mmap resumed>) = 0x7f708f767000 [pid 6092] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6091] <... clone3 resumed> => {parent_tid=[6095]}, 88) = 6095 [pid 6090] <... ioctl resumed>) = 0 [pid 6095] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6094] <... openat resumed>) = 3 [pid 6093] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... mprotect resumed>) = 0 [pid 6091] rt_sigprocmask(SIG_SETMASK, [], [pid 6090] close(3 [pid 6095] <... rseq resumed>) = 0 [pid 6094] write(3, "1000", 4 [pid 6093] <... futex resumed>) = 0 [pid 6092] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6095] set_robust_list(0x7f708f7879a0, 24 [pid 6094] <... write resumed>) = 4 [pid 6093] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6091] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... set_robust_list resumed>) = 0 [pid 6094] close(3 [pid 6093] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6092] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6091] <... futex resumed>) = 0 [pid 6090] <... close resumed>) = 0 [pid 6095] rt_sigprocmask(SIG_SETMASK, [], [pid 6094] <... close resumed>) = 0 [pid 6093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6092] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6091] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6090] close(4 [pid 6095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6094] symlink("/dev/binderfs", "./binderfs" [pid 6093] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6096 attached [pid 6095] memfd_create("syzkaller", 0 [pid 6094] <... symlink resumed>) = 0 [pid 6093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6092] <... clone3 resumed> => {parent_tid=[6096]}, 88) = 6096 [pid 6090] <... close resumed>) = 0 [pid 6096] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6095] <... memfd_create resumed>) = 3 executing program [pid 6094] write(1, "executing program\n", 18 [pid 6093] <... mmap resumed>) = 0x7f708f767000 [pid 6092] rt_sigprocmask(SIG_SETMASK, [], [pid 6090] mkdir("./file0", 0777 [pid 6096] <... rseq resumed>) = 0 [pid 6095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6094] <... write resumed>) = 18 [pid 6093] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6096] set_robust_list(0x7f708f7879a0, 24 [pid 6095] <... mmap resumed>) = 0x7f7087200000 [pid 6094] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... mprotect resumed>) = 0 [pid 6092] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... mkdir resumed>) = 0 [pid 6096] <... set_robust_list resumed>) = 0 [pid 6095] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6094] <... futex resumed>) = 0 [pid 6093] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6092] <... futex resumed>) = 0 [pid 6096] rt_sigprocmask(SIG_SETMASK, [], [pid 6092] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6090] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6093] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6096] memfd_create("syzkaller", 0 [pid 6093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} => {parent_tid=[6097]}, 88) = 6097 [pid 6093] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6094] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6096] <... memfd_create resumed>) = 3 [pid 6093] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6097 attached [pid 6094] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6093] <... futex resumed>) = 0 [ 223.999439][ T6090] loop4: detected capacity change from 0 to 2048 [pid 6096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6094] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6093] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6096] <... mmap resumed>) = 0x7f7087200000 [pid 6097] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 [pid 6097] set_robust_list(0x7f708f7879a0, 24 [pid 6094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6094] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6097] <... set_robust_list resumed>) = 0 [pid 6094] <... mmap resumed>) = 0x7f708f767000 [pid 6097] rt_sigprocmask(SIG_SETMASK, [], [pid 6094] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6094] <... mprotect resumed>) = 0 [pid 6097] memfd_create("syzkaller", 0 [pid 6094] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6097] <... memfd_create resumed>) = 3 [pid 6094] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6094] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6098 attached [pid 6097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6094] <... clone3 resumed> => {parent_tid=[6098]}, 88) = 6098 [pid 6097] <... mmap resumed>) = 0x7f7087200000 [pid 6094] rt_sigprocmask(SIG_SETMASK, [], [pid 6097] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6094] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6094] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6096] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6098] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6095] <... write resumed>) = 1048576 [pid 6098] <... rseq resumed>) = 0 [pid 6098] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6098] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6095] munmap(0x7f7087200000, 138412032 [pid 6098] memfd_create("syzkaller", 0 [pid 6095] <... munmap resumed>) = 0 [pid 6098] <... memfd_create resumed>) = 3 [pid 6095] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6096] <... write resumed>) = 1048576 [pid 6095] <... openat resumed>) = 4 [pid 6095] ioctl(4, LOOP_SET_FD, 3 [pid 6096] munmap(0x7f7087200000, 138412032 [pid 6098] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6097] <... write resumed>) = 1048576 [pid 6096] <... munmap resumed>) = 0 [ 224.073546][ T6090] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 224.106699][ T6095] loop2: detected capacity change from 0 to 2048 [ 224.114921][ T6090] UDF-fs: Scanning with blocksize 512 failed [pid 6095] <... ioctl resumed>) = 0 [pid 6097] munmap(0x7f7087200000, 138412032 [pid 6096] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6095] close(3 [pid 6097] <... munmap resumed>) = 0 [pid 6095] <... close resumed>) = 0 [pid 6096] <... openat resumed>) = 4 [pid 6097] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6096] ioctl(4, LOOP_SET_FD, 3 [pid 6095] close(4) = 0 [pid 6095] mkdir("./file0", 0777) = 0 [pid 6095] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6098] <... write resumed>) = 1048576 [pid 6097] <... openat resumed>) = 4 [pid 6098] munmap(0x7f7087200000, 138412032 [pid 6097] ioctl(4, LOOP_SET_FD, 3 [pid 6098] <... munmap resumed>) = 0 [pid 6096] <... ioctl resumed>) = 0 [pid 6090] <... mount resumed>) = 0 [pid 6090] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6090] chdir("./file0") = 0 [pid 6090] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6090] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6089] <... futex resumed>) = 0 [pid 6089] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6089] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6090] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6098] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6096] close(3 [pid 6090] <... openat resumed>) = 4 [pid 6090] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] <... futex resumed>) = 0 [pid 6089] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6089] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6090] <... futex resumed>) = 1 [pid 6090] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6098] <... openat resumed>) = 4 [pid 6096] <... close resumed>) = 0 [pid 6096] close(4) = 0 [pid 6098] ioctl(4, LOOP_SET_FD, 3 [pid 6096] mkdir("./file0", 0777 [pid 6090] <... openat resumed>) = 5 [pid 6090] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6089] <... futex resumed>) = 0 [ 224.127220][ T6090] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 224.139417][ T6096] loop1: detected capacity change from 0 to 2048 [ 224.147213][ T6095] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 224.157826][ T6097] loop0: detected capacity change from 0 to 2048 [ 224.168910][ T6098] loop3: detected capacity change from 0 to 2048 [pid 6096] <... mkdir resumed>) = 0 [pid 6090] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6089] <... futex resumed>) = 0 [pid 6089] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] <... ioctl resumed>) = 0 [pid 6097] close(3) = 0 [pid 6097] close(4) = 0 [pid 6097] mkdir("./file0", 0777 [pid 6090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6090] pwrite64(5, "2", 1, 134220897) = 1 [pid 6090] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6089] <... futex resumed>) = 0 [pid 6089] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6089] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] <... mkdir resumed>) = 0 [pid 6090] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6097] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6098] <... ioctl resumed>) = 0 [pid 6098] close(3) = 0 [pid 6098] close(4) = 0 [ 224.171122][ T6095] UDF-fs: Scanning with blocksize 512 failed [ 224.187817][ T6096] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 224.210480][ T6097] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 224.212708][ T6096] UDF-fs: Scanning with blocksize 512 failed [pid 6098] mkdir("./file0", 0777) = 0 [pid 6089] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6089] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6089] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6089] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6099]}, 88) = 6099 [pid 6089] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6089] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6089] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6099 attached [pid 6098] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6099] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6099] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6099] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6099] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6099] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6089] <... futex resumed>) = 0 [pid 6099] fdatasync(6 [pid 6089] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6089] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6099] <... fdatasync resumed>) = 0 [pid 6095] <... mount resumed>) = 0 [pid 6099] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6099] <... futex resumed>) = 1 [pid 6095] <... openat resumed>) = 3 [pid 6089] <... futex resumed>) = 0 [pid 6099] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] chdir("./file0") = 0 [pid 6095] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6095] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6091] <... futex resumed>) = 0 [pid 6095] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6091] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6095] <... openat resumed>) = 4 [ 224.222932][ T6095] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 224.244689][ T6097] UDF-fs: Scanning with blocksize 512 failed [pid 6091] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6095] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6091] <... futex resumed>) = 0 [pid 6091] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... futex resumed>) = 0 [pid 6091] <... futex resumed>) = 1 [pid 6095] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6091] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] <... openat resumed>) = 5 [pid 6095] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6095] <... futex resumed>) = 0 [pid 6091] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] pwrite64(5, "2", 1, 134220897 [pid 6091] <... futex resumed>) = 0 [pid 6095] <... pwrite64 resumed>) = 1 [pid 6091] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6095] <... futex resumed>) = 0 [pid 6091] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6091] <... futex resumed>) = 0 [pid 6091] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] <... mount resumed>) = 0 [pid 6097] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6097] chdir("./file0") = 0 [pid 6097] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6097] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6093] <... futex resumed>) = 0 [pid 6097] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6093] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... openat resumed>) = 4 [pid 6093] <... futex resumed>) = 0 [pid 6093] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6093] <... futex resumed>) = 0 [pid 6097] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6097] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6093] <... futex resumed>) = 0 [pid 6093] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] <... openat resumed>) = 5 [pid 6097] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6093] <... futex resumed>) = 0 [pid 6093] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 224.274319][ T6097] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 224.275915][ T6098] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 224.305408][ T6098] UDF-fs: Scanning with blocksize 512 failed [pid 6093] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] pwrite64(5, "2", 1, 134220897) = 1 [pid 6097] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6093] <... futex resumed>) = 0 [pid 6093] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6093] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6090] <... write resumed>) = 843776 [pid 6096] <... mount resumed>) = 0 [pid 6096] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6096] chdir("./file0") = 0 [pid 6096] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6096] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6092] <... futex resumed>) = 0 [pid 6096] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6091] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6092] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6092] <... futex resumed>) = 0 [pid 6096] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6092] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6090] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6090] <... futex resumed>) = 0 [pid 6091] <... mmap resumed>) = 0x7f708f746000 [pid 6090] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6091] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6089] exit_group(0 [pid 6099] <... futex resumed>) = ? [pid 6091] <... mprotect resumed>) = 0 [pid 6090] <... futex resumed>) = ? [pid 6089] <... exit_group resumed>) = ? [ 224.325756][ T6096] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 224.345094][ T6098] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6096] <... openat resumed>) = 4 [pid 6091] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6090] +++ exited with 0 +++ [pid 6096] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6096] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6092] <... futex resumed>) = 0 [pid 6092] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6096] <... futex resumed>) = 0 [pid 6092] <... futex resumed>) = 1 [pid 6096] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6092] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6096] <... openat resumed>) = 5 [pid 6091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6096] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6092] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6100 attached [pid 6092] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6096] pwrite64(5, "2", 1, 134220897 [pid 6092] <... futex resumed>) = 0 [pid 6091] <... clone3 resumed> => {parent_tid=[6100]}, 88) = 6100 [pid 6092] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6093] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6091] rt_sigprocmask(SIG_SETMASK, [], [pid 6093] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6091] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6091] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] <... rseq resumed>) = 0 [pid 6096] <... pwrite64 resumed>) = 1 [pid 6093] <... futex resumed>) = 0 [pid 6100] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6100] rt_sigprocmask(SIG_SETMASK, [], [pid 6096] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6096] <... futex resumed>) = 1 [pid 6092] <... futex resumed>) = 0 [pid 6100] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6096] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6092] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... openat resumed>) = 6 [pid 6098] <... mount resumed>) = 0 [pid 6097] <... write resumed>) = 843776 [pid 6096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6092] <... futex resumed>) = 0 [pid 6093] <... mmap resumed>) = 0x7f708f746000 [pid 6093] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6093] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6101 attached => {parent_tid=[6101]}, 88) = 6101 [pid 6093] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6093] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6093] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6101] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6101] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6101] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6101] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6093] <... futex resumed>) = 0 [pid 6093] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6093] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] fdatasync(6) = -1 EIO (Input/output error) [pid 6101] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... futex resumed>) = 0 [pid 6101] <... futex resumed>) = 1 [pid 6092] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] +++ exited with 0 +++ [pid 6098] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6097] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6089] +++ exited with 0 +++ [pid 6100] <... futex resumed>) = 1 [pid 6098] <... openat resumed>) = 3 [pid 6097] <... futex resumed>) = 0 [pid 6093] exit_group(0 [pid 6091] <... futex resumed>) = 0 [ 224.366761][ T6099] UDF-fs: warning (device loop4): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 224.406154][ T6099] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6101] <... futex resumed>) = ? [pid 6100] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] chdir("./file0" [pid 6093] <... exit_group resumed>) = ? [pid 6091] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6089, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] <... chdir resumed>) = 0 [pid 6097] +++ exited with 0 +++ [pid 6091] <... futex resumed>) = 0 [pid 6100] fdatasync(6 [pid 6098] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6091] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5859] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6098] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... fdatasync resumed>) = 0 [pid 6098] <... futex resumed>) = 1 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6100] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] <... futex resumed>) = 1 [pid 6100] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6091] <... futex resumed>) = 0 [pid 5859] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6094] <... futex resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 6094] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] newfstatat(3, "", [pid 6098] <... futex resumed>) = 0 [pid 6094] <... futex resumed>) = 1 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6098] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6094] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6098] <... openat resumed>) = 4 [pid 5859] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6098] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6094] <... futex resumed>) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6098] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6094] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] newfstatat(AT_FDCWD, "./15/binderfs", [pid 6098] <... futex resumed>) = 0 [pid 6094] <... futex resumed>) = 1 [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6098] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6094] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] unlink("./15/binderfs" [pid 6098] <... openat resumed>) = 5 [pid 6098] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... unlink resumed>) = 0 [pid 6098] <... futex resumed>) = 0 [pid 6098] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6094] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] pwrite64(5, "2", 1, 134220897 [pid 6094] <... futex resumed>) = 0 [pid 6094] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] <... pwrite64 resumed>) = 1 [pid 6098] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6094] <... futex resumed>) = 0 [pid 6098] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6094] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6094] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] <... write resumed>) = 843776 [pid 6101] +++ exited with 0 +++ [pid 6093] +++ exited with 0 +++ [pid 6092] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6092] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6093, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 6092] <... mmap resumed>) = 0x7f708f746000 [pid 5855] <... restart_syscall resumed>) = 0 [pid 6092] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6092] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5855] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6095] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6095] <... futex resumed>) = 0 [pid 6092] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6091] exit_group(0 [pid 5855] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6102 attached [pid 6100] <... futex resumed>) = ? [pid 6091] <... exit_group resumed>) = ? [pid 5855] <... openat resumed>) = 3 [pid 6100] +++ exited with 0 +++ [pid 6092] <... clone3 resumed> => {parent_tid=[6102]}, 88) = 6102 [pid 5855] newfstatat(3, "", [pid 6102] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6092] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6102] <... rseq resumed>) = 0 [pid 6092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] getdents64(3, [ 224.426058][ T6101] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6102] set_robust_list(0x7f708f7669a0, 24 [pid 6092] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6102] <... set_robust_list resumed>) = 0 [pid 6092] <... futex resumed>) = 0 [pid 5855] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6102] rt_sigprocmask(SIG_SETMASK, [], [pid 6092] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] newfstatat(AT_FDCWD, "./15/binderfs", [pid 6102] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6102] <... openat resumed>) = 6 [pid 5855] unlink("./15/binderfs" [pid 6102] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... unlink resumed>) = 0 [pid 6102] <... futex resumed>) = 1 [pid 6092] <... futex resumed>) = 0 [pid 5855] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6102] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6092] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6092] <... futex resumed>) = 0 [pid 6102] fdatasync(6 [pid 6092] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] <... fdatasync resumed>) = 0 [pid 6102] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6092] <... futex resumed>) = 0 [pid 6102] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] <... write resumed>) = 843776 [pid 6094] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6094] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6094] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6094] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6094] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6094] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6103]}, 88) = 6103 [pid 6094] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6103 attached NULL, 8) = 0 [pid 6103] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6094] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... rseq resumed>) = 0 [pid 6096] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] <... futex resumed>) = 0 [pid 6103] set_robust_list(0x7f708f7669a0, 24 [pid 6096] <... futex resumed>) = 0 [pid 6094] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6103] <... set_robust_list resumed>) = 0 [pid 6096] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6092] exit_group(0 [pid 6103] rt_sigprocmask(SIG_SETMASK, [], [pid 6102] <... futex resumed>) = ? [pid 6096] <... futex resumed>) = ? [pid 6092] <... exit_group resumed>) = ? [ 224.482784][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [ 224.503994][ T6095] UDF-fs: warning (device loop2): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [pid 6103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6102] +++ exited with 0 +++ [pid 6096] +++ exited with 0 +++ [ 224.523793][ T6092] UDF-fs: warning (device loop1): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 224.553675][ T6095] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 224.556674][ T6092] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6098] <... write resumed>) = 843776 [pid 6103] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6103] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6103] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6094] <... futex resumed>) = 0 [pid 6095] +++ exited with 0 +++ [pid 6091] +++ exited with 0 +++ [pid 6094] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6091, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 6094] <... futex resumed>) = 1 [pid 6098] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6103] <... futex resumed>) = 0 [pid 6103] fdatasync(6 [pid 6098] <... futex resumed>) = 0 [pid 5857] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6103] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6103] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6094] <... futex resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6094] exit_group(0) = ? [pid 6098] <... futex resumed>) = ? [pid 5857] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6098] +++ exited with 0 +++ [pid 6103] <... futex resumed>) = ? [pid 5857] <... openat resumed>) = 3 [pid 6092] +++ exited with 0 +++ [pid 5859] <... umount2 resumed>) = 0 [pid 5857] newfstatat(3, "", [pid 6103] +++ exited with 0 +++ [pid 6094] +++ exited with 0 +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6092, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6094, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5858] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(3, "", [pid 5857] getdents64(3, [pid 5856] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5858] getdents64(3, [pid 5856] <... openat resumed>) = 3 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] newfstatat(3, "", [pid 5858] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] newfstatat(AT_FDCWD, "./15/binderfs", [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] getdents64(3, [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] newfstatat(AT_FDCWD, "./15/binderfs", [pid 5858] unlink("./15/binderfs" [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] <... unlink resumed>) = 0 [pid 5857] unlink("./15/binderfs" [pid 5856] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... unlink resumed>) = 0 [pid 5859] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... umount2 resumed>) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] unlink("./15/binderfs" [pid 5859] newfstatat(AT_FDCWD, "./15/file0", [pid 5856] <... unlink resumed>) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] newfstatat(AT_FDCWD, "./15/file0", [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... openat resumed>) = 4 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] newfstatat(4, "", [pid 5855] <... openat resumed>) = 4 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] newfstatat(4, "", [pid 5859] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(4, [pid 5859] getdents64(4, [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] getdents64(4, [pid 5859] close(4 [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5859] <... close resumed>) = 0 [pid 5855] close(4) = 0 [pid 5859] rmdir("./15/file0") = 0 [pid 5855] rmdir("./15/file0") = 0 [pid 5859] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] getdents64(3, [pid 5859] close(3 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5859] <... close resumed>) = 0 [ 224.573410][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 224.599010][ T6103] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5855] close(3 [pid 5859] rmdir("./15" [pid 5855] <... close resumed>) = 0 [ 224.646959][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [ 224.666376][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5859] <... rmdir resumed>) = 0 [pid 5855] rmdir("./15" [pid 5858] <... umount2 resumed>) = 0 [pid 5855] <... rmdir resumed>) = 0 [pid 5858] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] mkdir("./16", 0777) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5855] ioctl(3, LOOP_CLR_FD) = 0 [pid 5855] close(3 [pid 5858] newfstatat(AT_FDCWD, "./15/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... close resumed>) = 0 [pid 5858] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] mkdir("./16", 0777) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5859] ioctl(3, LOOP_CLR_FD) = 0 [pid 5859] close(3 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] <... openat resumed>) = 4 [pid 5858] newfstatat(4, "", [pid 5857] <... umount2 resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6104 attached [pid 6104] set_robust_list(0x55559362e6a0, 24) = 0 [pid 6104] chdir("./16") = 0 [pid 5859] <... close resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6104 [pid 6104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6104] setpgid(0, 0) = 0 [pid 6104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5858] getdents64(4, [pid 5857] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6104] write(3, "1000", 4 [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] getdents64(4, [pid 6104] <... write resumed>) = 4 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] newfstatat(AT_FDCWD, "./15/file0", [pid 5858] close(4./strace-static-x86_64: Process 6105 attached [pid 6104] close(3 [pid 5858] <... close resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6104] <... close resumed>) = 0 [pid 5858] rmdir("./15/file0" [pid 5857] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6105] set_robust_list(0x55559362e6a0, 24 [pid 6104] symlink("/dev/binderfs", "./binderfs" [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6105 [pid 5858] <... rmdir resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6105] <... set_robust_list resumed>) = 0 [pid 5858] getdents64(3, [pid 5857] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6105] chdir("./16" [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] <... openat resumed>) = 4 [pid 5856] <... umount2 resumed>) = 0 [pid 6105] <... chdir resumed>) = 0 [pid 5858] close(3 [pid 5857] newfstatat(4, "", [pid 6105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] <... close resumed>) = 0 [pid 6105] <... prctl resumed>) = 0 [pid 5857] getdents64(4, [pid 5858] rmdir("./15" [pid 5856] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5858] <... rmdir resumed>) = 0 [pid 5857] getdents64(4, [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] mkdir("./16", 0777 [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6105] setpgid(0, 0 [pid 5856] newfstatat(AT_FDCWD, "./15/file0", [pid 6105] <... setpgid resumed>) = 0 [pid 6104] <... symlink resumed>) = 0 [pid 5858] <... mkdir resumed>) = 0 [pid 5857] close(4 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 224.671186][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 6105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5857] <... close resumed>) = 0 [pid 5856] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] rmdir("./15/file0" [pid 6105] <... openat resumed>) = 3 [pid 6104] write(1, "executing program\n", 18 [pid 5858] <... openat resumed>) = 3 [pid 5857] <... rmdir resumed>) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6105] write(3, "1000", 4 [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5857] getdents64(3, [pid 5856] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6105] <... write resumed>) = 4 [pid 5858] <... ioctl resumed>) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6105] close(3 [pid 5856] <... openat resumed>) = 4 [pid 5858] close(3 [pid 5857] close(3 [pid 5856] newfstatat(4, "", [pid 6105] <... close resumed>) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6105] symlink("/dev/binderfs", "./binderfs" [pid 5857] <... close resumed>) = 0 [pid 5856] getdents64(4, executing program executing program [pid 6105] <... symlink resumed>) = 0 [pid 6104] <... write resumed>) = 18 [pid 5857] rmdir("./15" [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6105] write(1, "executing program\n", 18 [pid 5856] getdents64(4, [pid 6105] <... write resumed>) = 18 [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6105] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] close(4 [pid 6104] <... futex resumed>) = 0 [pid 6104] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5857] <... rmdir resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 6105] <... futex resumed>) = 0 [pid 6104] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5858] <... close resumed>) = 0 [pid 5857] mkdir("./16", 0777 [pid 5856] rmdir("./15/file0" [pid 6105] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6104] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6104] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6104] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6105] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 6105] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5856] getdents64(3, ./strace-static-x86_64: Process 6106 attached [pid 6105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6104] <... clone3 resumed> => {parent_tid=[6106]}, 88) = 6106 [pid 5856] close(3 [pid 6105] <... mmap resumed>) = 0x7f708f767000 [pid 6104] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] <... mkdir resumed>) = 0 [pid 6106] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6106] <... rseq resumed>) = 0 [pid 6104] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] set_robust_list(0x7f708f7879a0, 24 [pid 6104] <... futex resumed>) = 0 [pid 6106] <... set_robust_list resumed>) = 0 [pid 6104] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6106] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6106] memfd_create("syzkaller", 0 [pid 6105] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5856] <... close resumed>) = 0 [pid 6106] <... memfd_create resumed>) = 3 [pid 6106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 ./strace-static-x86_64: Process 6107 attached [pid 5856] rmdir("./15" [pid 6105] <... mprotect resumed>) = 0 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6107 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5856] <... rmdir resumed>) = 0 [pid 5856] mkdir("./16", 0777 [pid 6107] set_robust_list(0x55559362e6a0, 24 [pid 6105] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5857] <... openat resumed>) = 3 [pid 5856] <... mkdir resumed>) = 0 [pid 6105] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5857] ioctl(3, LOOP_CLR_FD [pid 6107] <... set_robust_list resumed>) = 0 [pid 5857] <... ioctl resumed>) = 0 [pid 6105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5857] close(3 [pid 6107] chdir("./16") = 0 [pid 6107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6107] setpgid(0, 0) = 0 [pid 6107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] <... close resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 6107] <... openat resumed>) = 3 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 6105] <... clone3 resumed> => {parent_tid=[6108]}, 88) = 6108 [pid 5856] <... ioctl resumed>) = 0 [pid 6107] write(3, "1000", 4 [pid 6105] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 5856] close(3 [pid 6107] <... write resumed>) = 4 [pid 6107] close(3) = 0 [pid 6107] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6107] write(1, "executing program\n", 18) = 18 [pid 6107] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6106] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6105] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6107] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6105] <... futex resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 6105] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6108 attached [pid 6108] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6107] <... mmap resumed>) = 0x7f708f767000 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6108] <... rseq resumed>) = 0 [pid 6108] set_robust_list(0x7f708f7879a0, 24./strace-static-x86_64: Process 6110 attached ) = 0 [pid 6108] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6109 [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6110 ./strace-static-x86_64: Process 6109 attached [pid 6107] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6110] set_robust_list(0x55559362e6a0, 24 [pid 6109] set_robust_list(0x55559362e6a0, 24 [pid 6107] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6109] <... set_robust_list resumed>) = 0 [pid 6107] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6110] <... set_robust_list resumed>) = 0 [pid 6108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6110] chdir("./16" [pid 6109] chdir("./16" [pid 6110] <... chdir resumed>) = 0 [pid 6108] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6111 attached [pid 6109] <... chdir resumed>) = 0 [pid 6108] <... memfd_create resumed>) = 3 [pid 6107] <... clone3 resumed> => {parent_tid=[6111]}, 88) = 6111 [pid 6108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6111] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6108] <... mmap resumed>) = 0x7f7087200000 [pid 6107] rt_sigprocmask(SIG_SETMASK, [], [pid 6109] <... prctl resumed>) = 0 [pid 6107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6111] <... rseq resumed>) = 0 [pid 6109] setpgid(0, 0 [pid 6107] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] set_robust_list(0x7f708f7879a0, 24 [pid 6109] <... setpgid resumed>) = 0 [pid 6107] <... futex resumed>) = 0 [pid 6111] <... set_robust_list resumed>) = 0 [pid 6109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6107] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6111] rt_sigprocmask(SIG_SETMASK, [], [pid 6109] <... openat resumed>) = 3 [pid 6111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6109] write(3, "1000", 4 [pid 6111] memfd_create("syzkaller", 0 [pid 6109] <... write resumed>) = 4 [pid 6111] <... memfd_create resumed>) = 3 [pid 6109] close(3 [pid 6111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6109] <... close resumed>) = 0 [pid 6111] <... mmap resumed>) = 0x7f7087200000 [pid 6109] symlink("/dev/binderfs", "./binderfs" [pid 6110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6108] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6110] <... prctl resumed>) = 0 [pid 6110] setpgid(0, 0) = 0 [pid 6109] <... symlink resumed>) = 0 [pid 6106] <... write resumed>) = 1048576 executing program [pid 6110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6109] write(1, "executing program\n", 18) = 18 [pid 6109] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6109] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6109] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6106] munmap(0x7f7087200000, 138412032 [pid 6109] <... mmap resumed>) = 0x7f708f767000 [pid 6110] <... openat resumed>) = 3 [pid 6110] write(3, "1000", 4) = 4 [pid 6109] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6108] <... write resumed>) = 1048576 [pid 6106] <... munmap resumed>) = 0 [pid 6110] close(3 [pid 6111] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6110] <... close resumed>) = 0 [pid 6109] <... mprotect resumed>) = 0 [pid 6108] munmap(0x7f7087200000, 138412032 [pid 6109] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6110] symlink("/dev/binderfs", "./binderfs" [pid 6108] <... munmap resumed>) = 0 [pid 6109] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6110] <... symlink resumed>) = 0 [pid 6109] <... clone3 resumed> => {parent_tid=[6112]}, 88) = 6112 [pid 6109] rt_sigprocmask(SIG_SETMASK, [], [pid 6106] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6106] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6112 attached [pid 6109] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] openat(AT_FDCWD, "/dev/loop4", O_RDWRexecuting program [pid 6106] ioctl(4, LOOP_SET_FD, 3 [pid 6110] write(1, "executing program\n", 18 [pid 6111] <... write resumed>) = 1048576 [pid 6110] <... write resumed>) = 18 [pid 6109] <... futex resumed>) = 0 [pid 6108] <... openat resumed>) = 4 [pid 6112] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6111] munmap(0x7f7087200000, 138412032 [pid 6110] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6108] ioctl(4, LOOP_SET_FD, 3 [pid 6110] <... futex resumed>) = 0 [pid 6110] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6112] <... rseq resumed>) = 0 [pid 6112] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6112] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6112] memfd_create("syzkaller", 0 [pid 6111] <... munmap resumed>) = 0 [pid 6110] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6112] <... memfd_create resumed>) = 3 [pid 6110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6112] <... mmap resumed>) = 0x7f7087200000 [pid 6110] <... mmap resumed>) = 0x7f708f767000 [pid 6110] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6106] <... ioctl resumed>) = 0 [pid 6106] close(3) = 0 [pid 6106] close(4) = 0 [pid 6106] mkdir("./file0", 0777 [pid 6110] <... mprotect resumed>) = 0 [pid 6106] <... mkdir resumed>) = 0 [pid 6106] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6110] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6112] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6111] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6110] <... rt_sigprocmask resumed>[], 8) = 0 [ 224.894873][ T6106] loop0: detected capacity change from 0 to 2048 [ 224.909399][ T6108] loop4: detected capacity change from 0 to 2048 [ 224.932027][ T6106] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [pid 6110] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6111] <... openat resumed>) = 4 [pid 6111] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6113 attached [pid 6113] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 [pid 6113] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6113] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6113] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6112] <... write resumed>) = 1048576 [pid 6110] <... clone3 resumed> => {parent_tid=[6113]}, 88) = 6113 [pid 6108] <... ioctl resumed>) = 0 [pid 6110] rt_sigprocmask(SIG_SETMASK, [], [pid 6108] close(3) = 0 [pid 6108] close(4 [pid 6110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6108] <... close resumed>) = 0 [pid 6108] mkdir("./file0", 0777 [pid 6111] <... ioctl resumed>) = 0 [pid 6110] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6113] <... futex resumed>) = 0 [pid 6112] munmap(0x7f7087200000, 138412032 [pid 6110] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6113] memfd_create("syzkaller", 0 [pid 6112] <... munmap resumed>) = 0 [pid 6111] close(3) = 0 [pid 6113] <... memfd_create resumed>) = 3 [pid 6113] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6112] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6111] close(4 [pid 6108] <... mkdir resumed>) = 0 [pid 6112] <... openat resumed>) = 4 [pid 6111] <... close resumed>) = 0 [pid 6112] ioctl(4, LOOP_SET_FD, 3 [pid 6111] mkdir("./file0", 0777 [pid 6108] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6111] <... mkdir resumed>) = 0 [ 224.941098][ T6111] loop3: detected capacity change from 0 to 2048 [ 224.952729][ T6106] UDF-fs: Scanning with blocksize 512 failed [ 224.968104][ T6112] loop2: detected capacity change from 0 to 2048 [ 224.981095][ T6108] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [pid 6111] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6112] <... ioctl resumed>) = 0 [pid 6113] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6112] close(3 [pid 6113] <... write resumed>) = 1048576 [pid 6112] <... close resumed>) = 0 [pid 6112] close(4) = 0 [pid 6112] mkdir("./file0", 0777) = 0 [pid 6113] munmap(0x7f7087200000, 138412032) = 0 [pid 6112] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6113] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 225.003025][ T6108] UDF-fs: Scanning with blocksize 512 failed [ 225.011608][ T6106] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 225.023218][ T6111] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 225.038394][ T6111] UDF-fs: Scanning with blocksize 512 failed [pid 6113] ioctl(4, LOOP_SET_FD, 3 [pid 6106] <... mount resumed>) = 0 [pid 6106] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6106] chdir("./file0") = 0 [pid 6106] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6106] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6104] <... futex resumed>) = 0 [pid 6106] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6104] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6104] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] <... openat resumed>) = 4 [pid 6113] <... ioctl resumed>) = 0 [pid 6113] close(3) = 0 [pid 6113] close(4) = 0 [pid 6113] mkdir("./file0", 0777) = 0 [pid 6106] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6106] <... futex resumed>) = 1 [pid 6104] <... futex resumed>) = 0 [pid 6106] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6104] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6104] <... futex resumed>) = 0 [pid 6106] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6104] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] <... openat resumed>) = 5 [pid 6106] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... mount resumed>) = 0 [pid 6106] <... futex resumed>) = 1 [pid 6104] <... futex resumed>) = 0 [pid 6111] <... mount resumed>) = 0 [pid 6104] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6106] pwrite64(5, "2", 1, 134220897 [pid 6104] <... futex resumed>) = 0 [pid 6108] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6111] <... openat resumed>) = 3 [pid 6104] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6108] <... openat resumed>) = 3 [pid 6106] <... pwrite64 resumed>) = 1 [pid 6111] chdir("./file0" [pid 6108] chdir("./file0" [pid 6111] <... chdir resumed>) = 0 [pid 6108] <... chdir resumed>) = 0 [pid 6106] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6108] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6106] <... futex resumed>) = 1 [pid 6104] <... futex resumed>) = 0 [pid 6104] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6111] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6108] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6106] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6104] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6111] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... futex resumed>) = 1 [pid 6107] <... futex resumed>) = 0 [pid 6111] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6108] <... futex resumed>) = 1 [pid 6107] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] <... futex resumed>) = 0 [pid 6111] <... futex resumed>) = 0 [pid 6108] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6107] <... futex resumed>) = 1 [pid 6105] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6107] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6105] <... futex resumed>) = 0 [pid 6108] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [ 225.049880][ T6113] loop1: detected capacity change from 0 to 2048 [ 225.067023][ T6112] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 225.067837][ T6111] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 225.075401][ T6108] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 225.093273][ T6112] UDF-fs: Scanning with blocksize 512 failed [pid 6105] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6111] <... openat resumed>) = 4 [pid 6108] <... openat resumed>) = 4 [pid 6108] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6111] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] <... futex resumed>) = 0 [pid 6111] <... futex resumed>) = 1 [pid 6105] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6107] <... futex resumed>) = 0 [pid 6105] <... futex resumed>) = 0 [pid 6112] <... mount resumed>) = 0 [pid 6105] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6108] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6112] <... openat resumed>) = 3 [pid 6108] <... openat resumed>) = 5 [pid 6112] chdir("./file0" [pid 6108] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... chdir resumed>) = 0 [pid 6108] <... futex resumed>) = 1 [pid 6105] <... futex resumed>) = 0 [pid 6112] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6108] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6107] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] <... futex resumed>) = 0 [pid 6112] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] pwrite64(5, "2", 1, 134220897 [pid 6105] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] <... futex resumed>) = 1 [pid 6111] <... futex resumed>) = 0 [pid 6109] <... futex resumed>) = 0 [pid 6107] <... futex resumed>) = 1 [pid 6111] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6112] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6111] <... openat resumed>) = 5 [pid 6109] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... pwrite64 resumed>) = 1 [pid 6107] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6111] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... futex resumed>) = 0 [pid 6108] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... futex resumed>) = 1 [pid 6109] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6108] <... futex resumed>) = 1 [pid 6107] <... futex resumed>) = 0 [pid 6105] <... futex resumed>) = 0 [pid 6111] pwrite64(5, "2", 1, 134220897 [pid 6107] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... openat resumed>) = 4 [pid 6112] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... pwrite64 resumed>) = 1 [pid 6108] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6107] <... futex resumed>) = 0 [pid 6105] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6112] <... futex resumed>) = 1 [pid 6111] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... futex resumed>) = 0 [pid 6107] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6105] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... futex resumed>) = 0 [pid 6109] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6104] <... futex resumed>) = 0 [pid 6109] <... futex resumed>) = 0 [pid 6104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6107] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6109] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6107] <... futex resumed>) = 0 [pid 6104] <... mmap resumed>) = 0x7f708f746000 [pid 6107] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] <... openat resumed>) = 5 [pid 6104] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6104] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6112] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6112] <... futex resumed>) = 1 [pid 6112] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] <... futex resumed>) = 0 [pid 6104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6109] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6109] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6114 attached [pid 6112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6114] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6112] pwrite64(5, "2", 1, 134220897 [pid 6104] <... clone3 resumed> => {parent_tid=[6114]}, 88) = 6114 [pid 6114] <... rseq resumed>) = 0 [pid 6104] rt_sigprocmask(SIG_SETMASK, [], [pid 6114] set_robust_list(0x7f708f7669a0, 24 [pid 6112] <... pwrite64 resumed>) = 1 [pid 6104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6114] <... set_robust_list resumed>) = 0 [pid 6104] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] rt_sigprocmask(SIG_SETMASK, [], [pid 6104] <... futex resumed>) = 0 [pid 6114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6104] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6114] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6114] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6112] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6109] <... futex resumed>) = 0 [pid 6109] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 225.122652][ T6112] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 225.122794][ T6113] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 225.163024][ T6113] UDF-fs: Scanning with blocksize 512 failed [pid 6109] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6104] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6114] <... futex resumed>) = 0 [pid 6105] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6114] fdatasync(6 [pid 6105] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6113] <... mount resumed>) = 0 [pid 6105] <... futex resumed>) = 0 [pid 6113] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6105] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6113] <... openat resumed>) = 3 [pid 6105] <... mprotect resumed>) = 0 [pid 6113] chdir("./file0" [pid 6105] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6113] <... chdir resumed>) = 0 [pid 6113] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6113] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6113] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6114] <... fdatasync resumed>) = 0 [pid 6110] <... futex resumed>) = 0 [pid 6107] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6105] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6114] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6110] <... futex resumed>) = 1 [pid 6107] <... futex resumed>) = 0 [pid 6105] <... clone3 resumed> => {parent_tid=[6115]}, 88) = 6115 ./strace-static-x86_64: Process 6115 attached [pid 6114] <... futex resumed>) = 1 [pid 6113] <... futex resumed>) = 0 [pid 6110] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6109] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6106] <... write resumed>) = 843776 [pid 6105] rt_sigprocmask(SIG_SETMASK, [], [pid 6104] <... futex resumed>) = 0 [pid 6115] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6114] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6109] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] <... mmap resumed>) = 0x7f708f746000 [pid 6106] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6104] exit_group(0 [pid 6109] <... futex resumed>) = 0 [pid 6107] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6105] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] <... exit_group resumed>) = ? [pid 6115] <... rseq resumed>) = 0 [pid 6114] <... futex resumed>) = ? [pid 6113] <... openat resumed>) = 4 [pid 6109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6106] <... futex resumed>) = ? [pid 6115] set_robust_list(0x7f708f7669a0, 24 [pid 6114] +++ exited with 0 +++ [pid 6113] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... mmap resumed>) = 0x7f708f746000 [pid 6107] <... mprotect resumed>) = 0 [pid 6105] <... futex resumed>) = 0 [pid 6115] <... set_robust_list resumed>) = 0 [pid 6113] <... futex resumed>) = 1 [pid 6109] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6105] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6115] rt_sigprocmask(SIG_SETMASK, [], [pid 6113] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6110] <... futex resumed>) = 0 [pid 6109] <... mprotect resumed>) = 0 [pid 6115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6110] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6115] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6113] <... futex resumed>) = 0 [pid 6110] <... futex resumed>) = 1 [pid 6109] <... rt_sigprocmask resumed>[], 8) = 0 [ 225.192313][ T6113] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6107] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6115] <... openat resumed>) = 6 [pid 6113] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6110] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6109] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6116 attached [pid 6113] <... openat resumed>) = 5 [pid 6116] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6113] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... clone3 resumed> => {parent_tid=[6116]}, 88) = 6116 [pid 6116] <... rseq resumed>) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6109] rt_sigprocmask(SIG_SETMASK, [], [pid 6116] set_robust_list(0x7f708f7669a0, 24 [pid 6113] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6116] <... set_robust_list resumed>) = 0 [pid 6109] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] rt_sigprocmask(SIG_SETMASK, [], [pid 6109] <... futex resumed>) = 0 [pid 6116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6109] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6116] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6115] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... openat resumed>) = 6 [pid 6115] <... futex resumed>) = 1 [pid 6116] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6116] <... futex resumed>) = 1 [pid 6109] <... futex resumed>) = 0 [pid 6116] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6109] <... futex resumed>) = 0 [pid 6116] fdatasync(6 [pid 6109] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6116] <... fdatasync resumed>) = 0 [pid 6116] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6109] <... futex resumed>) = 0 [pid 6116] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] <... futex resumed>) = 0 [pid 6110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6105] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6105] <... futex resumed>) = 1 [pid 6115] <... futex resumed>) = 0 [pid 6115] fdatasync(6) = 0 [pid 6105] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6115] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... futex resumed>) = 0 [pid 6110] <... futex resumed>) = 1 [pid 6107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6115] <... futex resumed>) = 0 [pid 6113] pwrite64(5, "2", 1, 134220897 [pid 6115] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] <... pwrite64 resumed>) = 1 ./strace-static-x86_64: Process 6117 attached [pid 6113] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6117] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6113] <... futex resumed>) = 0 [pid 6117] <... rseq resumed>) = 0 [pid 6113] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6107] <... clone3 resumed> => {parent_tid=[6117]}, 88) = 6117 [pid 6117] set_robust_list(0x7f708f7669a0, 24 [pid 6110] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... write resumed>) = 843776 [pid 6117] <... set_robust_list resumed>) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6110] <... futex resumed>) = 1 [pid 6107] rt_sigprocmask(SIG_SETMASK, [], [pid 6113] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6110] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6117] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6108] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6108] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6107] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] exit_group(0 [pid 6117] <... futex resumed>) = 0 [pid 6115] <... futex resumed>) = ? [pid 6108] <... futex resumed>) = ? [ 225.250926][ T6106] UDF-fs: warning (device loop0): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [pid 6107] <... futex resumed>) = 1 [pid 6105] <... exit_group resumed>) = ? [pid 6117] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6115] +++ exited with 0 +++ [pid 6108] +++ exited with 0 +++ [pid 6117] <... openat resumed>) = 6 [pid 6117] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6117] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6111] <... write resumed>) = 843776 [pid 6107] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6111] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6107] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] fdatasync(6 [pid 6107] <... futex resumed>) = 0 [pid 6107] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] <... write resumed>) = 843776 [pid 6111] <... fdatasync resumed>) = 0 [pid 6111] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6110] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... futex resumed>) = 1 [pid 6110] <... futex resumed>) = 0 [pid 6107] <... futex resumed>) = 0 [pid 6110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6107] exit_group(0 [pid 6110] <... mmap resumed>) = 0x7f708f746000 [pid 6107] <... exit_group resumed>) = ? [pid 6117] <... futex resumed>) = ? [pid 6117] +++ exited with 0 +++ [pid 6110] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [ 225.296041][ T6105] UDF-fs: warning (device loop4): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 225.309052][ T6106] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 225.330598][ T6105] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6112] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6106] +++ exited with 0 +++ [pid 6105] +++ exited with 0 +++ [pid 6104] +++ exited with 0 +++ [pid 6113] <... write resumed>) = 843776 [pid 6112] <... futex resumed>) = 0 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6105, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 6113] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] exit_group(0 [pid 5859] restart_syscall(<... resuming interrupted clone ...> [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6104, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6116] <... futex resumed>) = ? [pid 6113] <... futex resumed>) = 0 [pid 6109] <... exit_group resumed>) = ? [pid 5859] <... restart_syscall resumed>) = 0 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 6116] +++ exited with 0 +++ [pid 6113] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] <... restart_syscall resumed>) = 0 [pid 6110] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6111] +++ exited with 0 +++ [pid 6110] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6107] +++ exited with 0 +++ [pid 5859] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6107, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 5855] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... openat resumed>) = 3 [pid 5855] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] newfstatat(3, "", [pid 5855] <... openat resumed>) = 3 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] newfstatat(3, "", [pid 5859] getdents64(3, [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] getdents64(3, [pid 5859] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5859] unlink("./16/binderfs" [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] <... unlink resumed>) = 0 [pid 5855] unlink("./16/binderfs" [pid 5859] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... unlink resumed>) = 0 [pid 5855] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6118 attached [pid 6112] +++ exited with 0 +++ [pid 6109] +++ exited with 0 +++ [pid 5858] <... restart_syscall resumed>) = 0 [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6109, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5857] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6118] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6110] <... clone3 resumed> => {parent_tid=[6118]}, 88) = 6118 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6110] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] newfstatat(AT_FDCWD, "./16/binderfs", [pid 6118] <... rseq resumed>) = 0 [pid 6110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6118] set_robust_list(0x7f708f7669a0, 24 [pid 6110] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] unlink("./16/binderfs" [pid 6118] <... set_robust_list resumed>) = 0 [pid 6110] <... futex resumed>) = 0 [pid 5857] <... unlink resumed>) = 0 [pid 6118] rt_sigprocmask(SIG_SETMASK, [], [pid 6110] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... openat resumed>) = 3 [pid 6118] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5858] newfstatat(3, "", [pid 6118] <... openat resumed>) = 6 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6118] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] getdents64(3, [pid 6118] <... futex resumed>) = 1 [pid 6110] <... futex resumed>) = 0 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6118] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6110] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6110] <... futex resumed>) = 1 [pid 6113] <... futex resumed>) = 0 [pid 6110] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6113] fdatasync(6 [pid 5858] newfstatat(AT_FDCWD, "./16/binderfs", [pid 6113] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6113] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] unlink("./16/binderfs" [pid 6113] <... futex resumed>) = 1 [pid 6110] <... futex resumed>) = 0 [pid 5858] <... unlink resumed>) = 0 [pid 6110] exit_group(0 [pid 6113] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] <... futex resumed>) = ? [ 225.347050][ T6111] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 225.360448][ T6112] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6113] <... futex resumed>) = ? [pid 6110] <... exit_group resumed>) = ? [pid 6118] +++ exited with 0 +++ [pid 6113] +++ exited with 0 +++ [pid 5858] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6110] +++ exited with 0 +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6110, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [ 225.405884][ T6110] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 225.415637][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [ 225.420572][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 5859] <... umount2 resumed>) = 0 [pid 5856] <... restart_syscall resumed>) = 0 [pid 5855] <... umount2 resumed>) = 0 [pid 5859] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(AT_FDCWD, "./16/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5859] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] getdents64(4, [pid 5855] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] getdents64(4, [pid 5855] newfstatat(AT_FDCWD, "./16/file0", [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] close(4 [pid 5856] <... openat resumed>) = 3 [pid 5855] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... close resumed>) = 0 [pid 5859] rmdir("./16/file0") = 0 [pid 5856] newfstatat(3, "", [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 225.452340][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5859] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] <... umount2 resumed>) = 0 [pid 5856] getdents64(3, [pid 5855] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] close(3) = 0 [pid 5859] rmdir("./16") = 0 [pid 5859] mkdir("./17", 0777 [pid 5857] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] <... openat resumed>) = 4 [pid 5859] <... mkdir resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] newfstatat(AT_FDCWD, "./16/file0", [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5855] getdents64(4, [pid 5857] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] unlink("./16/binderfs" [pid 5855] getdents64(4, [pid 5859] <... openat resumed>) = 3 [pid 5857] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] <... unlink resumed>) = 0 [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] <... openat resumed>) = 4 [pid 5855] close(4 [pid 5859] ioctl(3, LOOP_CLR_FD [pid 5857] newfstatat(4, "", [pid 5856] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... close resumed>) = 0 [pid 5859] <... ioctl resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] close(3 [pid 5855] rmdir("./16/file0" [pid 5857] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] <... rmdir resumed>) = 0 [pid 5858] <... umount2 resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5857] getdents64(4, [pid 5855] getdents64(3, [pid 5858] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./16/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5858] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] close(4) = 0 [pid 5858] rmdir("./16/file0") = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] getdents64(3, [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] close(4 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [ 225.497613][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5858] rmdir("./16"./strace-static-x86_64: Process 6119 attached ) = 0 [pid 5857] <... close resumed>) = 0 [pid 5855] close(3 [pid 6119] set_robust_list(0x55559362e6a0, 24 [pid 5855] <... close resumed>) = 0 [pid 6119] <... set_robust_list resumed>) = 0 [pid 5857] rmdir("./16/file0" [pid 5855] rmdir("./16" [pid 5858] mkdir("./17", 0777 [pid 5857] <... rmdir resumed>) = 0 [pid 5855] <... rmdir resumed>) = 0 [pid 5858] <... mkdir resumed>) = 0 [pid 6119] chdir("./17" [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6119 [pid 6119] <... chdir resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 6119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] getdents64(3, [pid 5855] mkdir("./17", 0777 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6119] <... prctl resumed>) = 0 [pid 6119] setpgid(0, 0 [pid 5855] <... mkdir resumed>) = 0 [pid 5857] close(3 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5857] <... close resumed>) = 0 [pid 6119] <... setpgid resumed>) = 0 [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5857] rmdir("./16" [pid 5855] <... openat resumed>) = 3 [pid 6119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] <... ioctl resumed>) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 5858] close(3 [pid 5857] mkdir("./17", 0777 [pid 5858] <... close resumed>) = 0 [pid 5855] <... ioctl resumed>) = 0 [pid 6119] <... openat resumed>) = 3 [pid 5857] <... mkdir resumed>) = 0 [pid 5855] close(3 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6119] write(3, "1000", 4) = 4 [pid 6119] close(3) = 0 [pid 6119] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6119] write(1, "executing program\n", 18) = 18 [pid 6119] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... close resumed>) = 0 [pid 6119] <... futex resumed>) = 0 [pid 5857] <... openat resumed>) = 3 [pid 6119] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5857] ioctl(3, LOOP_CLR_FD [pid 6119] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5857] <... ioctl resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] close(3 [pid 6119] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6119] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6119] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6121 attached => {parent_tid=[6121]}, 88) = 6121 [pid 6119] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6119] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5857] <... close resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6120 ./strace-static-x86_64: Process 6120 attached [pid 6119] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6121] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 6122 attached ) = 0 [pid 6121] set_robust_list(0x7f708f7879a0, 24) = 0 [ 225.560283][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6121] rt_sigprocmask(SIG_SETMASK, [], [pid 6122] set_robust_list(0x55559362e6a0, 24 [pid 6121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] memfd_create("syzkaller", 0 [pid 6120] set_robust_list(0x55559362e6a0, 24 [pid 6122] <... set_robust_list resumed>) = 0 [pid 6122] chdir("./17" [pid 6121] <... memfd_create resumed>) = 3 [pid 6121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6122 [pid 6122] <... chdir resumed>) = 0 [pid 6121] <... mmap resumed>) = 0x7f7087200000 [pid 6122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6120] <... set_robust_list resumed>) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6120] chdir("./17"./strace-static-x86_64: Process 6123 attached [pid 6122] <... prctl resumed>) = 0 [pid 6120] <... chdir resumed>) = 0 [pid 6123] set_robust_list(0x55559362e6a0, 24 [pid 6120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6123 [pid 6123] <... set_robust_list resumed>) = 0 [pid 6120] <... prctl resumed>) = 0 [pid 6123] chdir("./17" [pid 6122] setpgid(0, 0 [pid 6120] setpgid(0, 0 [pid 6123] <... chdir resumed>) = 0 [pid 6120] <... setpgid resumed>) = 0 [pid 6122] <... setpgid resumed>) = 0 [pid 6123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6122] <... openat resumed>) = 3 [pid 6123] setpgid(0, 0 [pid 6120] <... openat resumed>) = 3 [pid 6123] <... setpgid resumed>) = 0 [pid 6122] write(3, "1000", 4 [pid 6120] write(3, "1000", 4 [pid 6123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6122] <... write resumed>) = 4 [pid 6120] <... write resumed>) = 4 executing program executing program executing program [pid 6123] <... openat resumed>) = 3 [pid 6122] close(3 [pid 6120] close(3 [pid 5856] <... umount2 resumed>) = 0 [pid 6122] <... close resumed>) = 0 [pid 6123] write(3, "1000", 4 [pid 6120] <... close resumed>) = 0 [pid 5856] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6123] <... write resumed>) = 4 [pid 6120] symlink("/dev/binderfs", "./binderfs" [pid 6123] close(3 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6122] symlink("/dev/binderfs", "./binderfs" [pid 6120] <... symlink resumed>) = 0 [pid 5856] newfstatat(AT_FDCWD, "./16/file0", [pid 6123] <... close resumed>) = 0 [pid 6120] write(1, "executing program\n", 18 [pid 6123] symlink("/dev/binderfs", "./binderfs" [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6120] <... write resumed>) = 18 [pid 6123] <... symlink resumed>) = 0 [pid 6122] <... symlink resumed>) = 0 [pid 6120] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6123] write(1, "executing program\n", 18 [pid 6122] write(1, "executing program\n", 18 [pid 6120] <... futex resumed>) = 0 [pid 6123] <... write resumed>) = 18 [pid 6122] <... write resumed>) = 18 [pid 6121] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6120] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6123] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5856] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6123] <... futex resumed>) = 0 [pid 6122] <... futex resumed>) = 0 [pid 6120] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6123] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... openat resumed>) = 4 [pid 6123] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5856] newfstatat(4, "", [pid 6123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5856] getdents64(4, [pid 6122] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6123] <... mmap resumed>) = 0x7f708f767000 [pid 6122] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6123] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6122] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6120] <... mmap resumed>) = 0x7f708f767000 [pid 5856] getdents64(4, [pid 6123] <... mprotect resumed>) = 0 [pid 6122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6120] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5856] close(4 [pid 6123] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6122] <... mmap resumed>) = 0x7f708f767000 [pid 6123] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6122] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6120] <... mprotect resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 6123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6122] <... mprotect resumed>) = 0 [pid 6122] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5856] rmdir("./16/file0" [pid 6122] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6124 attached [pid 6120] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6124] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6122] <... clone3 resumed> => {parent_tid=[6125]}, 88) = 6125 [pid 6120] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6123] <... clone3 resumed> => {parent_tid=[6124]}, 88) = 6124 [pid 5856] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6125 attached [pid 6124] <... rseq resumed>) = 0 [pid 6122] rt_sigprocmask(SIG_SETMASK, [], [pid 6125] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6123] rt_sigprocmask(SIG_SETMASK, [], [pid 6122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] getdents64(3, [pid 6125] <... rseq resumed>) = 0 [pid 6124] set_robust_list(0x7f708f7879a0, 24 [pid 6123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6122] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6125] set_robust_list(0x7f708f7879a0, 24 [pid 6122] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6126 attached [pid 6125] <... set_robust_list resumed>) = 0 [pid 6124] <... set_robust_list resumed>) = 0 [pid 6123] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6121] <... write resumed>) = 1048576 [pid 5856] close(3 [pid 6126] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6125] rt_sigprocmask(SIG_SETMASK, [], [pid 6124] rt_sigprocmask(SIG_SETMASK, [], [pid 6123] <... futex resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 6124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6123] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5856] rmdir("./16" [pid 6126] <... rseq resumed>) = 0 [pid 6125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6124] memfd_create("syzkaller", 0 [pid 6126] set_robust_list(0x7f708f7879a0, 24 [pid 6125] memfd_create("syzkaller", 0 [pid 5856] <... rmdir resumed>) = 0 [pid 6126] <... set_robust_list resumed>) = 0 [pid 6125] <... memfd_create resumed>) = 3 [pid 6124] <... memfd_create resumed>) = 3 [pid 6126] rt_sigprocmask(SIG_SETMASK, [], [pid 6125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6125] <... mmap resumed>) = 0x7f7087200000 [pid 6121] munmap(0x7f7087200000, 138412032 [pid 6126] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6120] <... clone3 resumed> => {parent_tid=[6126]}, 88) = 6126 [pid 6124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6120] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] mkdir("./17", 0777 [pid 6121] <... munmap resumed>) = 0 [pid 5856] <... mkdir resumed>) = 0 [pid 6120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6120] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... futex resumed>) = 0 [pid 6121] <... openat resumed>) = 4 [pid 6120] <... futex resumed>) = 1 [pid 6126] memfd_create("syzkaller", 0 [pid 6121] ioctl(4, LOOP_SET_FD, 3 [pid 6120] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6126] <... memfd_create resumed>) = 3 [pid 6124] <... mmap resumed>) = 0x7f7087200000 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6125] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5856] <... openat resumed>) = 3 [pid 5856] ioctl(3, LOOP_CLR_FD) = 0 [pid 5856] close(3) = 0 [pid 6121] <... ioctl resumed>) = 0 [pid 6126] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6121] close(3) = 0 [pid 6121] close(4) = 0 [pid 6121] mkdir("./file0", 0777) = 0 [pid 6121] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6124] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6125] <... write resumed>) = 1048576 ./strace-static-x86_64: Process 6127 attached [pid 6126] <... write resumed>) = 1048576 [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6127 [pid 6127] set_robust_list(0x55559362e6a0, 24) = 0 [pid 6125] munmap(0x7f7087200000, 138412032 [pid 6127] chdir("./17" [pid 6125] <... munmap resumed>) = 0 [pid 6125] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 225.697688][ T6121] loop4: detected capacity change from 0 to 2048 [ 225.736077][ T6121] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [pid 6125] ioctl(4, LOOP_SET_FD, 3 [pid 6127] <... chdir resumed>) = 0 [pid 6127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6126] munmap(0x7f7087200000, 138412032 [pid 6124] <... write resumed>) = 1048576 [pid 6127] <... prctl resumed>) = 0 [pid 6126] <... munmap resumed>) = 0 [pid 6126] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6126] ioctl(4, LOOP_SET_FD, 3 [pid 6127] setpgid(0, 0 [pid 6124] munmap(0x7f7087200000, 138412032 [pid 6127] <... setpgid resumed>) = 0 [pid 6127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6125] <... ioctl resumed>) = 0 [pid 6125] close(3) = 0 [pid 6125] close(4) = 0 [pid 6125] mkdir("./file0", 0777) = 0 [pid 6125] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6124] <... munmap resumed>) = 0 [pid 6127] <... openat resumed>) = 3 [pid 6124] openat(AT_FDCWD, "/dev/loop2", O_RDWR [ 225.759415][ T6125] loop3: detected capacity change from 0 to 2048 [ 225.767694][ T6121] UDF-fs: Scanning with blocksize 512 failed [ 225.777572][ T6126] loop0: detected capacity change from 0 to 2048 [pid 6127] write(3, "1000", 4) = 4 [pid 6124] <... openat resumed>) = 4 [pid 6127] close(3 [pid 6124] ioctl(4, LOOP_SET_FD, 3 [pid 6127] <... close resumed>) = 0 [pid 6126] <... ioctl resumed>) = 0 [pid 6127] symlink("/dev/binderfs", "./binderfs" [pid 6126] close(3) = 0 [pid 6126] close(4) = 0 [pid 6127] <... symlink resumed>) = 0 [pid 6126] mkdir("./file0", 0777) = 0 [pid 6126] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6127] write(1, "executing program\n", 18executing program ) = 18 [pid 6127] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6127] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6124] <... ioctl resumed>) = 0 [pid 6127] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6124] close(3) = 0 [pid 6127] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6124] close(4) = 0 [ 225.805058][ T6125] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 225.805182][ T6124] loop2: detected capacity change from 0 to 2048 [ 225.820383][ T6121] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 225.840166][ T6125] UDF-fs: Scanning with blocksize 512 failed [ 225.844830][ T6126] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [pid 6127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6124] mkdir("./file0", 0777 [pid 6127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6124] <... mkdir resumed>) = 0 [pid 6127] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6124] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6127] <... mprotect resumed>) = 0 [pid 6126] <... mount resumed>) = 0 [pid 6127] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6121] <... mount resumed>) = 0 [pid 6127] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6127] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} => {parent_tid=[6128]}, 88) = 6128 [pid 6126] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6121] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6126] chdir("./file0" [pid 6121] <... openat resumed>) = 3 [pid 6126] <... chdir resumed>) = 0 [pid 6121] chdir("./file0" [pid 6126] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6121] <... chdir resumed>) = 0 [pid 6126] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 225.858363][ T6126] UDF-fs: Scanning with blocksize 512 failed [ 225.874498][ T6125] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 225.877270][ T6126] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 225.891957][ T6124] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [pid 6121] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 6128 attached [pid 6127] rt_sigprocmask(SIG_SETMASK, [], [pid 6126] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6126] <... futex resumed>) = 1 [pid 6121] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] <... futex resumed>) = 1 [pid 6121] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] <... futex resumed>) = 0 [pid 6119] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... futex resumed>) = 0 [pid 6119] <... futex resumed>) = 1 [pid 6121] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6119] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6121] <... openat resumed>) = 4 [pid 6121] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6119] <... futex resumed>) = 0 [pid 6121] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6119] <... futex resumed>) = 0 [pid 6128] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6120] <... futex resumed>) = 0 [pid 6119] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] <... rseq resumed>) = 0 [pid 6127] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... openat resumed>) = 5 [pid 6120] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] set_robust_list(0x7f708f7879a0, 24 [pid 6127] <... futex resumed>) = 0 [pid 6126] <... futex resumed>) = 0 [pid 6125] <... mount resumed>) = 0 [pid 6121] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... futex resumed>) = 1 [pid 6128] <... set_robust_list resumed>) = 0 [pid 6127] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6126] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6125] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6121] <... futex resumed>) = 1 [pid 6120] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] <... futex resumed>) = 0 [pid 6128] rt_sigprocmask(SIG_SETMASK, [], [pid 6126] <... openat resumed>) = 4 [pid 6125] <... openat resumed>) = 3 [pid 6121] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6119] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] pwrite64(5, "2", 1, 134220897 [pid 6119] <... futex resumed>) = 0 [pid 6128] memfd_create("syzkaller", 0 [pid 6125] chdir("./file0" [pid 6121] <... pwrite64 resumed>) = 1 [pid 6119] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] <... memfd_create resumed>) = 3 [pid 6125] <... chdir resumed>) = 0 [pid 6126] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6126] <... futex resumed>) = 1 [pid 6125] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6120] <... futex resumed>) = 0 [pid 6126] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6125] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6121] <... futex resumed>) = 1 [pid 6120] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... futex resumed>) = 0 [pid 6126] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6125] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6120] <... futex resumed>) = 0 [pid 6119] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... mmap resumed>) = 0x7f7087200000 [pid 6126] <... openat resumed>) = 5 [pid 6125] <... futex resumed>) = 1 [pid 6124] <... mount resumed>) = 0 [pid 6122] <... futex resumed>) = 0 [pid 6120] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] <... futex resumed>) = 0 [pid 6126] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6122] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6119] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6126] <... futex resumed>) = 0 [pid 6122] <... futex resumed>) = 0 [pid 6126] pwrite64(5, "2", 1, 134220897 [pid 6125] <... openat resumed>) = 4 [pid 6122] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6120] <... futex resumed>) = 0 [pid 6126] <... pwrite64 resumed>) = 1 [pid 6125] <... futex resumed>) = 0 [pid 6122] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6126] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6124] <... openat resumed>) = 3 [pid 6122] <... futex resumed>) = 0 [pid 6120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6126] <... futex resumed>) = 0 [pid 6125] <... openat resumed>) = 5 [pid 6124] chdir("./file0" [pid 6122] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6120] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 225.912251][ T6124] UDF-fs: Scanning with blocksize 512 failed [ 225.934773][ T6124] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6126] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6128] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6125] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... chdir resumed>) = 0 [pid 6125] <... futex resumed>) = 1 [pid 6124] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6125] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6122] <... futex resumed>) = 0 [pid 6122] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] <... futex resumed>) = 0 [pid 6122] <... futex resumed>) = 1 [pid 6125] pwrite64(5, "2", 1, 134220897 [pid 6122] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6125] <... pwrite64 resumed>) = 1 [pid 6125] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6124] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... futex resumed>) = 0 [pid 6125] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] <... futex resumed>) = 1 [pid 6123] <... futex resumed>) = 0 [pid 6124] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6123] <... futex resumed>) = 0 [pid 6124] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6123] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] <... futex resumed>) = 0 [pid 6122] <... futex resumed>) = 1 [pid 6125] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6122] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6124] <... openat resumed>) = 4 [pid 6124] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6123] <... futex resumed>) = 0 [pid 6119] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6124] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6123] <... futex resumed>) = 0 [pid 6119] <... futex resumed>) = 0 [pid 6119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6123] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] <... mmap resumed>) = 0x7f708f746000 [pid 6119] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6119] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6124] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6120] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6129 attached [pid 6119] <... clone3 resumed> => {parent_tid=[6129]}, 88) = 6129 [pid 6119] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6129] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6119] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... rseq resumed>) = 0 [pid 6119] <... futex resumed>) = 0 [pid 6129] set_robust_list(0x7f708f7669a0, 24 [pid 6119] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6129] <... set_robust_list resumed>) = 0 [pid 6129] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6129] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6120] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... openat resumed>) = 5 [pid 6129] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6119] <... futex resumed>) = 0 [pid 6119] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6119] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6129] fdatasync(6) = 0 [pid 6124] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 1 [pid 6120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6124] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] <... futex resumed>) = 0 [pid 6120] <... mmap resumed>) = 0x7f708f746000 [pid 6123] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6124] <... futex resumed>) = 0 [pid 6123] <... futex resumed>) = 1 [pid 6129] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] pwrite64(5, "2", 1, 134220897 [pid 6123] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] <... mprotect resumed>) = 0 [pid 6129] <... futex resumed>) = 1 [pid 6124] <... pwrite64 resumed>) = 1 [pid 6120] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6119] <... futex resumed>) = 0 [pid 6124] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6129] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] <... futex resumed>) = 1 [pid 6123] <... futex resumed>) = 0 [pid 6120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6124] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6130 attached [pid 6128] <... write resumed>) = 1048576 [pid 6123] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6124] <... futex resumed>) = 0 [pid 6123] <... futex resumed>) = 1 [pid 6120] <... clone3 resumed> => {parent_tid=[6130]}, 88) = 6130 [pid 6130] <... rseq resumed>) = 0 [pid 6124] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6120] rt_sigprocmask(SIG_SETMASK, [], [pid 6130] set_robust_list(0x7f708f7669a0, 24 [pid 6123] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] <... set_robust_list resumed>) = 0 [pid 6120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6128] munmap(0x7f7087200000, 138412032 [pid 6130] rt_sigprocmask(SIG_SETMASK, [], [pid 6120] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... munmap resumed>) = 0 [pid 6130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6120] <... futex resumed>) = 0 [pid 6130] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6120] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] <... openat resumed>) = 6 [pid 6122] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6122] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6122] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6122] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6131 attached => {parent_tid=[6131]}, 88) = 6131 [pid 6131] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6122] rt_sigprocmask(SIG_SETMASK, [], [pid 6131] <... rseq resumed>) = 0 [pid 6122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6131] set_robust_list(0x7f708f7669a0, 24 [pid 6122] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6122] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6131] <... set_robust_list resumed>) = 0 [pid 6130] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6131] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6130] <... futex resumed>) = 1 [pid 6128] <... openat resumed>) = 4 [pid 6120] <... futex resumed>) = 0 [pid 6131] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6121] <... write resumed>) = 843776 [pid 6120] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... openat resumed>) = 6 [pid 6128] ioctl(4, LOOP_SET_FD, 3 [pid 6120] <... futex resumed>) = 0 [pid 6130] fdatasync(6 [pid 6131] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6122] <... futex resumed>) = 0 [pid 6121] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6122] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6122] <... futex resumed>) = 0 [pid 6121] <... futex resumed>) = 0 [pid 6131] fdatasync(6 [pid 6122] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6121] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] exit_group(0 [pid 6131] <... fdatasync resumed>) = 0 [pid 6129] <... futex resumed>) = ? [pid 6121] <... futex resumed>) = ? [pid 6119] <... exit_group resumed>) = ? [pid 6131] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] +++ exited with 0 +++ [pid 6121] +++ exited with 0 +++ [pid 6120] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] <... ioctl resumed>) = 0 [pid 6128] close(3) = 0 [pid 6128] close(4) = 0 [pid 6128] mkdir("./file0", 0777) = 0 [pid 6128] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6130] <... fdatasync resumed>) = 0 [pid 6123] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6130] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... futex resumed>) = 1 [pid 6123] <... futex resumed>) = 0 [pid 6120] <... futex resumed>) = 0 [pid 6130] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6123] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6131] <... futex resumed>) = 1 [pid 6131] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] <... mprotect resumed>) = 0 [pid 6123] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6126] <... write resumed>) = 843776 [pid 6123] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6122] <... futex resumed>) = 0 [pid 6123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6132 attached [pid 6132] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6132] set_robust_list(0x7f708f7669a0, 24 [pid 6126] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] <... clone3 resumed> => {parent_tid=[6132]}, 88) = 6132 [pid 6132] <... set_robust_list resumed>) = 0 [pid 6126] <... futex resumed>) = 0 [pid 6123] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6132] rt_sigprocmask(SIG_SETMASK, [], [pid 6126] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] exit_group(0 [pid 6123] <... futex resumed>) = 0 [pid 6132] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 226.059989][ T6128] loop1: detected capacity change from 0 to 2048 [ 226.066768][ T6119] UDF-fs: warning (device loop4): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 226.093017][ T6128] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [pid 6132] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6130] <... futex resumed>) = ? [pid 6126] <... futex resumed>) = ? [pid 6123] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] <... exit_group resumed>) = ? [pid 6132] <... openat resumed>) = 6 [pid 6132] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6132] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6126] +++ exited with 0 +++ [pid 6123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6123] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6132] <... futex resumed>) = 0 [pid 6132] fdatasync(6 [pid 6125] <... write resumed>) = 843776 [pid 6123] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6132] <... fdatasync resumed>) = 0 [pid 6132] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 226.121420][ T6128] UDF-fs: Scanning with blocksize 512 failed [ 226.122044][ T6119] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 226.141367][ T6130] UDF-fs: warning (device loop0): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [pid 6132] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6125] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... write resumed>) = 843776 [pid 6123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6122] exit_group(0 [pid 6131] <... futex resumed>) = ? [pid 6122] <... exit_group resumed>) = ? [pid 6131] +++ exited with 0 +++ [pid 6125] <... futex resumed>) = ? [pid 6130] +++ exited with 0 +++ [pid 6124] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] +++ exited with 0 +++ [pid 6119] +++ exited with 0 +++ [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6119, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 6124] <... futex resumed>) = 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6120, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 6124] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] exit_group(0 [pid 5859] restart_syscall(<... resuming interrupted clone ...> [pid 6128] <... mount resumed>) = 0 [pid 5859] <... restart_syscall resumed>) = 0 [pid 6132] <... futex resumed>) = ? [pid 6124] <... futex resumed>) = ? [pid 6123] <... exit_group resumed>) = ? [pid 6125] +++ exited with 0 +++ [pid 6124] +++ exited with 0 +++ [pid 6122] +++ exited with 0 +++ [pid 6128] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6122, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5855] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6128] <... openat resumed>) = 3 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6128] chdir("./file0" [pid 5859] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6128] <... chdir resumed>) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... openat resumed>) = 3 [pid 6128] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5855] newfstatat(3, "", [pid 6128] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, [pid 6128] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6128] <... futex resumed>) = 1 [pid 6127] <... futex resumed>) = 0 [pid 5855] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6128] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6127] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6127] <... futex resumed>) = 0 [pid 5855] newfstatat(AT_FDCWD, "./17/binderfs", [pid 6127] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./17/binderfs") = 0 [pid 5855] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 226.167437][ T6128] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 226.172741][ T6130] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 226.190615][ T6125] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 226.205724][ T6132] UDF-fs: warning (device loop2): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [pid 5859] newfstatat(3, "", [pid 6128] <... openat resumed>) = 4 [pid 6128] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6127] <... futex resumed>) = 0 [pid 6128] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6132] +++ exited with 0 +++ [pid 6128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] <... futex resumed>) = 0 [pid 6123] +++ exited with 0 +++ [pid 6128] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6127] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] getdents64(3, [pid 6128] <... openat resumed>) = 5 [pid 5858] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6128] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6123, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6128] <... futex resumed>) = 1 [pid 6127] <... futex resumed>) = 0 [pid 5859] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] restart_syscall(<... resuming interrupted clone ...> [pid 6128] pwrite64(5, "2", 1, 134220897 [pid 6127] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... openat resumed>) = 3 [pid 5858] newfstatat(3, "", [pid 6128] <... pwrite64 resumed>) = 1 [pid 6127] <... futex resumed>) = 0 [pid 5859] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6128] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] getdents64(3, [pid 6128] <... futex resumed>) = 0 [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] unlink("./17/binderfs" [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6128] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6127] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... unlink resumed>) = 0 [pid 5858] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6127] <... futex resumed>) = 0 [pid 5859] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./17/binderfs", [pid 6127] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./17/binderfs" [pid 5857] <... restart_syscall resumed>) = 0 [pid 5858] <... unlink resumed>) = 0 [pid 5858] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./17/binderfs") = 0 [ 226.221572][ T6132] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5857] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6128] <... write resumed>) = 843776 [pid 6127] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6127] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6128] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... mmap resumed>) = 0x7f708f746000 [pid 6127] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6128] <... futex resumed>) = 0 [pid 6127] <... mprotect resumed>) = 0 [pid 6128] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6127] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6133 attached => {parent_tid=[6133]}, 88) = 6133 [pid 6133] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6127] rt_sigprocmask(SIG_SETMASK, [], [pid 6133] <... rseq resumed>) = 0 [pid 6127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6133] set_robust_list(0x7f708f7669a0, 24 [pid 6127] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] <... set_robust_list resumed>) = 0 [pid 6127] <... futex resumed>) = 0 [pid 6133] rt_sigprocmask(SIG_SETMASK, [], [pid 6127] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 226.266367][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [ 226.284945][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 6133] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6133] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... umount2 resumed>) = 0 [pid 6133] <... futex resumed>) = 1 [pid 6127] <... futex resumed>) = 0 [pid 5855] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6133] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6127] <... futex resumed>) = 1 [pid 5855] newfstatat(AT_FDCWD, "./17/file0", [pid 6127] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5855] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6128] <... futex resumed>) = 0 [pid 5855] getdents64(4, [pid 6128] fdatasync(6 [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6128] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5855] getdents64(4, [pid 6128] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6128] <... futex resumed>) = 1 [pid 6127] <... futex resumed>) = 0 [pid 5855] close(4 [pid 6128] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] exit_group(0 [pid 5855] <... close resumed>) = 0 [pid 6133] <... futex resumed>) = ? [pid 6128] <... futex resumed>) = ? [pid 6127] <... exit_group resumed>) = ? [pid 5855] rmdir("./17/file0" [pid 6128] +++ exited with 0 +++ [pid 6133] +++ exited with 0 +++ [ 226.337243][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [ 226.337552][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5859] <... umount2 resumed>) = 0 [pid 5855] <... rmdir resumed>) = 0 [pid 5859] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] getdents64(3, [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5859] newfstatat(AT_FDCWD, "./17/file0", [pid 5855] close(3 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... close resumed>) = 0 [pid 5859] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] rmdir("./17" [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5855] <... rmdir resumed>) = 0 [pid 5859] newfstatat(4, "", [pid 5855] mkdir("./18", 0777 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] <... mkdir resumed>) = 0 [pid 5859] getdents64(4, [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5859] close(4) = 0 [pid 5857] <... umount2 resumed>) = 0 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 5859] rmdir("./17/file0" [pid 5855] <... ioctl resumed>) = 0 [pid 6127] +++ exited with 0 +++ [pid 5855] close(3 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6127, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5856] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5856] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./17/binderfs") = 0 [ 226.386323][ T6127] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5856] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... rmdir resumed>) = 0 [pid 5857] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... close resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] newfstatat(AT_FDCWD, "./17/file0", [pid 5859] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5859] close(3./strace-static-x86_64: Process 6134 attached [pid 5858] <... umount2 resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] <... close resumed>) = 0 [pid 5859] rmdir("./17" [pid 5857] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6134 [pid 6134] set_robust_list(0x55559362e6a0, 24) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6134] chdir("./18" [pid 5857] <... openat resumed>) = 4 [pid 6134] <... chdir resumed>) = 0 [pid 5857] newfstatat(4, "", [pid 5858] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] getdents64(4, [pid 6134] <... prctl resumed>) = 0 [pid 6134] setpgid(0, 0 [pid 5859] <... rmdir resumed>) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6134] <... setpgid resumed>) = 0 [pid 5857] getdents64(4, [pid 6134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6134] <... openat resumed>) = 3 [pid 5859] mkdir("./18", 0777 [pid 5858] newfstatat(AT_FDCWD, "./17/file0", [pid 5857] close(4 [pid 6134] write(3, "1000", 4 [pid 5857] <... close resumed>) = 0 [pid 6134] <... write resumed>) = 4 [pid 5857] rmdir("./17/file0" [pid 6134] close(3) = 0 [pid 5859] <... mkdir resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... rmdir resumed>) = 0 executing program [pid 6134] symlink("/dev/binderfs", "./binderfs" [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5857] getdents64(3, [pid 5858] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5858] newfstatat(4, "", [pid 6134] <... symlink resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6134] write(1, "executing program\n", 18 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6134] <... write resumed>) = 18 [pid 5857] close(3 [pid 6134] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... openat resumed>) = 3 [pid 5858] getdents64(4, [pid 5857] <... close resumed>) = 0 [pid 5857] rmdir("./17" [pid 6134] <... futex resumed>) = 0 [pid 5859] ioctl(3, LOOP_CLR_FD [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5859] <... ioctl resumed>) = 0 [pid 5858] getdents64(4, [pid 5859] close(3 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6134] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5859] <... close resumed>) = 0 [pid 5858] close(4 [pid 5857] <... rmdir resumed>) = 0 [pid 6134] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5858] <... close resumed>) = 0 [pid 5858] rmdir("./17/file0") = 0 [pid 6134] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5857] mkdir("./18", 0777 [pid 5856] <... umount2 resumed>) = 0 [pid 5858] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] close(3 [pid 6134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... close resumed>) = 0 [pid 5858] rmdir("./17" [pid 6134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] <... rmdir resumed>) = 0 [pid 5857] <... mkdir resumed>) = 0 [pid 5856] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6134] <... mmap resumed>) = 0x7f708f767000 [ 226.431511][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./17/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5858] mkdir("./18", 0777) = 0 [pid 5856] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] getdents64(4, [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5856] close(4) = 0 [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5856] rmdir("./17/file0" [pid 5858] <... ioctl resumed>) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 6134] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5858] close(3 [pid 6134] <... mprotect resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] getdents64(3, [pid 6134] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5857] <... openat resumed>) = 3 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6135 attached [pid 6134] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5857] ioctl(3, LOOP_CLR_FD [pid 5856] close(3 [pid 6134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5857] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6136 attached [pid 5856] <... close resumed>) = 0 [pid 6136] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6134] <... clone3 resumed> => {parent_tid=[6136]}, 88) = 6136 [pid 5857] close(3 [pid 5856] rmdir("./17" [pid 6135] set_robust_list(0x55559362e6a0, 24 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6135 [pid 5856] <... rmdir resumed>) = 0 [pid 5856] mkdir("./18", 0777 [pid 6135] <... set_robust_list resumed>) = 0 [pid 5856] <... mkdir resumed>) = 0 [pid 6135] chdir("./18") = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] <... openat resumed>) = 3 [pid 6135] <... prctl resumed>) = 0 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 6135] setpgid(0, 0 [pid 5856] <... ioctl resumed>) = 0 [pid 6135] <... setpgid resumed>) = 0 [pid 5856] close(3 [pid 6136] <... rseq resumed>) = 0 [pid 6135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6134] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] <... close resumed>) = 0 [pid 6136] set_robust_list(0x7f708f7879a0, 24 [pid 6134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6135] <... openat resumed>) = 3 [pid 5858] <... close resumed>) = 0 [pid 6135] write(3, "1000", 4) = 4 [pid 6136] <... set_robust_list resumed>) = 0 [pid 6134] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] close(3) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 6137 attached [pid 6136] rt_sigprocmask(SIG_SETMASK, [], [pid 6135] symlink("/dev/binderfs", "./binderfs" [pid 6134] <... futex resumed>) = 0 [pid 6136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6135] <... symlink resumed>) = 0 [pid 6134] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6137] set_robust_list(0x55559362e6a0, 24 [pid 6135] write(1, "executing program\n", 18 [pid 6137] <... set_robust_list resumed>) = 0 [pid 6136] memfd_create("syzkaller", 0 [pid 6135] <... write resumed>) = 18 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6137 [pid 5856] <... close resumed>) = 0 [pid 6137] chdir("./18" [pid 6135] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6135] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6137] <... chdir resumed>) = 0 [pid 6135] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6137] <... prctl resumed>) = 0 [pid 6137] setpgid(0, 0 [pid 6135] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6137] <... setpgid resumed>) = 0 [pid 6137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6135] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6136] <... memfd_create resumed>) = 3 [pid 6135] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6135] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6138 attached [pid 6136] <... mmap resumed>) = 0x7f7087200000 ./strace-static-x86_64: Process 6140 attached [pid 6137] <... openat resumed>) = 3 [pid 6135] <... clone3 resumed> => {parent_tid=[6138]}, 88) = 6138 [pid 6137] write(3, "1000", 4 [pid 6135] rt_sigprocmask(SIG_SETMASK, [], [pid 6137] <... write resumed>) = 4 [pid 6135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] set_robust_list(0x55559362e6a0, 24 [pid 6137] close(3 [pid 6135] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6139 [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6140 ./strace-static-x86_64: Process 6139 attached [pid 6140] <... set_robust_list resumed>) = 0 [pid 6138] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6137] <... close resumed>) = 0 [pid 6136] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6137] symlink("/dev/binderfs", "./binderfs" [pid 6135] <... futex resumed>) = 0 executing program [pid 6138] <... rseq resumed>) = 0 [pid 6137] <... symlink resumed>) = 0 [pid 6138] set_robust_list(0x7f708f7879a0, 24 [pid 6139] set_robust_list(0x55559362e6a0, 24 [pid 6138] <... set_robust_list resumed>) = 0 [pid 6135] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6140] chdir("./18" [pid 6137] write(1, "executing program\n", 18) = 18 [pid 6139] <... set_robust_list resumed>) = 0 [pid 6138] rt_sigprocmask(SIG_SETMASK, [], [pid 6137] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... chdir resumed>) = 0 [pid 6137] <... futex resumed>) = 0 [pid 6140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6137] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6140] <... prctl resumed>) = 0 [pid 6137] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6140] setpgid(0, 0 [pid 6137] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6140] <... setpgid resumed>) = 0 [pid 6138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6139] chdir("./18" [pid 6138] memfd_create("syzkaller", 0 [pid 6137] <... mmap resumed>) = 0x7f708f767000 [pid 6139] <... chdir resumed>) = 0 [pid 6140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6137] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6138] <... memfd_create resumed>) = 3 [pid 6137] <... mprotect resumed>) = 0 [pid 6139] <... prctl resumed>) = 0 [pid 6138] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6137] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6140] <... openat resumed>) = 3 [pid 6139] setpgid(0, 0 [pid 6137] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6139] <... setpgid resumed>) = 0 [pid 6138] <... mmap resumed>) = 0x7f7087200000 [pid 6137] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6140] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 6141 attached [pid 6140] close(3 [pid 6137] <... clone3 resumed> => {parent_tid=[6141]}, 88) = 6141 [pid 6140] <... close resumed>) = 0 [pid 6137] rt_sigprocmask(SIG_SETMASK, [], [pid 6140] symlink("/dev/binderfs", "./binderfs" [pid 6137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] <... symlink resumed>) = 0 [pid 6137] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6137] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6141] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 executing program [pid 6139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6141] set_robust_list(0x7f708f7879a0, 24 [pid 6140] write(1, "executing program\n", 18 [pid 6141] <... set_robust_list resumed>) = 0 [pid 6140] <... write resumed>) = 18 [pid 6139] <... openat resumed>) = 3 [pid 6140] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6140] <... futex resumed>) = 0 [pid 6141] memfd_create("syzkaller", 0 [pid 6140] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6140] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6141] <... memfd_create resumed>) = 3 [pid 6140] <... mmap resumed>) = 0x7f708f767000 [pid 6140] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6140] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6141] <... mmap resumed>) = 0x7f7087200000 [pid 6140] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6142 attached => {parent_tid=[6142]}, 88) = 6142 [pid 6140] rt_sigprocmask(SIG_SETMASK, [], [pid 6142] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... rseq resumed>) = 0 [pid 6140] <... futex resumed>) = 0 [pid 6142] set_robust_list(0x7f708f7879a0, 24 [pid 6140] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6142] <... set_robust_list resumed>) = 0 [pid 6142] rt_sigprocmask(SIG_SETMASK, [], [pid 6139] write(3, "1000", 4 [pid 6142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6142] memfd_create("syzkaller", 0) = 3 [pid 6142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6139] <... write resumed>) = 4 [pid 6138] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6139] close(3) = 0 [pid 6141] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6139] symlink("/dev/binderfs", "./binderfs" [pid 6142] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6139] <... symlink resumed>) = 0 [pid 6136] <... write resumed>) = 1048576 executing program [pid 6139] write(1, "executing program\n", 18) = 18 [pid 6136] munmap(0x7f7087200000, 138412032 [pid 6139] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... munmap resumed>) = 0 [pid 6139] <... futex resumed>) = 0 [pid 6139] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6141] <... write resumed>) = 1048576 [pid 6139] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6138] <... write resumed>) = 1048576 [pid 6136] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6136] <... openat resumed>) = 4 [pid 6142] <... write resumed>) = 1048576 [pid 6141] munmap(0x7f7087200000, 138412032 [pid 6139] <... mmap resumed>) = 0x7f708f767000 [pid 6138] munmap(0x7f7087200000, 138412032 [pid 6142] munmap(0x7f7087200000, 138412032 [pid 6141] <... munmap resumed>) = 0 [pid 6139] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6136] ioctl(4, LOOP_SET_FD, 3 [pid 6142] <... munmap resumed>) = 0 [pid 6139] <... mprotect resumed>) = 0 [pid 6138] <... munmap resumed>) = 0 [pid 6141] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6141] ioctl(4, LOOP_SET_FD, 3 [pid 6139] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6138] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6142] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6139] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6138] <... openat resumed>) = 4 [pid 6142] <... openat resumed>) = 4 [pid 6139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6138] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6143 attached [pid 6142] ioctl(4, LOOP_SET_FD, 3 [pid 6143] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6139] <... clone3 resumed> => {parent_tid=[6143]}, 88) = 6143 [pid 6136] <... ioctl resumed>) = 0 [pid 6143] <... rseq resumed>) = 0 [pid 6139] rt_sigprocmask(SIG_SETMASK, [], [pid 6136] close(3) = 0 [pid 6139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6143] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6139] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] close(4 [pid 6143] rt_sigprocmask(SIG_SETMASK, [], [pid 6139] <... futex resumed>) = 0 [pid 6143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6136] <... close resumed>) = 0 [pid 6139] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6143] memfd_create("syzkaller", 0 [pid 6136] mkdir("./file0", 0777 [pid 6138] <... ioctl resumed>) = 0 [pid 6143] <... memfd_create resumed>) = 3 [pid 6138] close(3) = 0 [pid 6138] close(4) = 0 [pid 6141] <... ioctl resumed>) = 0 [pid 6138] mkdir("./file0", 0777) = 0 [pid 6136] <... mkdir resumed>) = 0 [pid 6141] close(3 [pid 6138] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6143] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6141] <... close resumed>) = 0 [pid 6141] close(4 [pid 6143] <... mmap resumed>) = 0x7f7087200000 [pid 6142] <... ioctl resumed>) = 0 [pid 6141] <... close resumed>) = 0 [pid 6142] close(3 [pid 6141] mkdir("./file0", 0777 [pid 6136] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6142] <... close resumed>) = 0 [pid 6141] <... mkdir resumed>) = 0 [ 226.636806][ T6136] loop0: detected capacity change from 0 to 2048 [ 226.640288][ T6141] loop3: detected capacity change from 0 to 2048 [ 226.657413][ T6138] loop4: detected capacity change from 0 to 2048 [ 226.665162][ T6142] loop1: detected capacity change from 0 to 2048 [pid 6142] close(4) = 0 [pid 6143] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6142] mkdir("./file0", 0777 [pid 6141] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6142] <... mkdir resumed>) = 0 [ 226.688398][ T6138] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 226.701299][ T6136] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 226.718716][ T6138] UDF-fs: Scanning with blocksize 512 failed [ 226.729651][ T6142] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [pid 6142] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6143] <... write resumed>) = 1048576 [pid 6143] munmap(0x7f7087200000, 138412032) = 0 [pid 6143] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 226.738115][ T6136] UDF-fs: Scanning with blocksize 512 failed [ 226.742548][ T6141] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 226.762104][ T6138] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 226.762991][ T6142] UDF-fs: Scanning with blocksize 512 failed [ 226.779390][ T6141] UDF-fs: Scanning with blocksize 512 failed [pid 6143] ioctl(4, LOOP_SET_FD, 3 [pid 6138] <... mount resumed>) = 0 [pid 6138] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6138] chdir("./file0") = 0 [pid 6138] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6138] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6138] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] <... futex resumed>) = 0 [pid 6135] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] <... futex resumed>) = 0 [pid 6135] <... futex resumed>) = 1 [pid 6138] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 6138] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6138] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6135] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] <... futex resumed>) = 0 [pid 6135] <... futex resumed>) = 1 [pid 6138] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6135] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] <... openat resumed>) = 5 [pid 6138] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6135] <... futex resumed>) = 0 [pid 6135] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] pwrite64(5, "2", 1, 134220897 [pid 6135] <... futex resumed>) = 0 [pid 6138] <... pwrite64 resumed>) = 1 [pid 6135] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6135] <... futex resumed>) = 0 [ 226.780241][ T6143] loop2: detected capacity change from 0 to 2048 [pid 6135] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6138] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6135] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6143] <... ioctl resumed>) = 0 [pid 6143] close(3) = 0 [pid 6143] close(4) = 0 [pid 6143] mkdir("./file0", 0777 [pid 6141] <... mount resumed>) = 0 [pid 6141] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6141] chdir("./file0") = 0 [pid 6141] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6141] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6141] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] <... futex resumed>) = 0 [pid 6137] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... futex resumed>) = 0 [pid 6137] <... futex resumed>) = 1 [pid 6141] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 6141] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6141] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6137] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... futex resumed>) = 0 [pid 6137] <... futex resumed>) = 1 [pid 6141] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 6141] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6141] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6137] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... futex resumed>) = 0 [pid 6137] <... futex resumed>) = 1 [pid 6141] pwrite64(5, "2", 1, 134220897 [pid 6137] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] <... pwrite64 resumed>) = 1 [pid 6143] <... mkdir resumed>) = 0 [pid 6141] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6141] <... futex resumed>) = 1 [pid 6137] <... futex resumed>) = 0 [pid 6141] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6137] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 226.811580][ T6141] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 226.812994][ T6136] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6137] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] <... mount resumed>) = 0 [pid 6136] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6135] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6136] chdir("./file0") = 0 [pid 6135] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... mount resumed>) = 0 [pid 6136] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6142] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6136] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6135] <... futex resumed>) = 0 [pid 6142] chdir("./file0" [pid 6136] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... chdir resumed>) = 0 [pid 6134] <... futex resumed>) = 0 [pid 6142] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6136] <... futex resumed>) = 1 [pid 6134] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6134] <... futex resumed>) = 0 [pid 6136] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6135] <... mmap resumed>) = 0x7f708f746000 [pid 6134] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6135] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6136] <... openat resumed>) = 4 [pid 6136] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6136] <... futex resumed>) = 1 [pid 6134] <... futex resumed>) = 0 [pid 6142] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... futex resumed>) = 1 [pid 6136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] <... futex resumed>) = 0 [pid 6136] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6134] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6140] <... futex resumed>) = 0 [pid 6142] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] <... openat resumed>) = 5 [pid 6135] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6140] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6144 attached [pid 6140] <... futex resumed>) = 0 [pid 6140] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6135] <... clone3 resumed> => {parent_tid=[6144]}, 88) = 6144 [pid 6135] rt_sigprocmask(SIG_SETMASK, [], [pid 6144] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6144] <... rseq resumed>) = 0 [pid 6135] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6135] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6144] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6144] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6144] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6136] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... openat resumed>) = 6 [pid 6142] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6136] <... futex resumed>) = 1 [pid 6134] <... futex resumed>) = 0 [pid 6144] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... futex resumed>) = 1 [pid 6135] <... futex resumed>) = 0 [pid 6136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] <... futex resumed>) = 0 [pid 6134] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] pwrite64(5, "2", 1, 134220897 [pid 6135] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6135] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] <... openat resumed>) = 4 [pid 6137] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6136] <... pwrite64 resumed>) = 1 [pid 6144] fdatasync(6 [pid 6137] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 1 [pid 6134] <... futex resumed>) = 0 [pid 6144] <... fdatasync resumed>) = 0 [pid 6142] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = 0 [pid 6137] <... futex resumed>) = 0 [pid 6144] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... futex resumed>) = 1 [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] <... futex resumed>) = 0 [pid 6137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6135] <... futex resumed>) = 0 [pid 6134] <... futex resumed>) = 0 [pid 6142] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [ 226.863343][ T6142] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 226.891504][ T6143] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [pid 6140] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6137] <... mmap resumed>) = 0x7f708f746000 [pid 6144] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6142] <... openat resumed>) = 5 [pid 6137] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6134] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6137] <... mprotect resumed>) = 0 [pid 6137] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6142] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6136] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6137] <... clone3 resumed> => {parent_tid=[6145]}, 88) = 6145 ./strace-static-x86_64: Process 6145 attached [pid 6137] rt_sigprocmask(SIG_SETMASK, [], [pid 6145] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6145] <... rseq resumed>) = 0 [pid 6137] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6137] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6145] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6145] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6145] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6137] <... futex resumed>) = 0 [pid 6145] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6137] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6145] fdatasync(6) = 0 [pid 6145] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6137] <... futex resumed>) = 0 [pid 6145] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6142] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = 0 [pid 6140] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] pwrite64(5, "2", 1, 134220897 [pid 6140] <... futex resumed>) = 0 [pid 6140] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] <... pwrite64 resumed>) = 1 [ 226.913646][ T6143] UDF-fs: Scanning with blocksize 512 failed [pid 6138] <... write resumed>) = 843776 [pid 6142] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6142] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = 0 [pid 6138] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] exit_group(0 [pid 6144] <... futex resumed>) = ? [pid 6141] <... write resumed>) = 843776 [pid 6140] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] <... futex resumed>) = ? [pid 6135] <... exit_group resumed>) = ? [pid 6142] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6144] +++ exited with 0 +++ [pid 6140] <... futex resumed>) = 0 [pid 6138] +++ exited with 0 +++ [pid 6134] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6141] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] <... futex resumed>) = 0 [pid 6141] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] exit_group(0 [pid 6141] <... futex resumed>) = ? [pid 6137] <... exit_group resumed>) = ? [pid 6141] +++ exited with 0 +++ [pid 6145] <... futex resumed>) = ? [pid 6134] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6134] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6143] <... mount resumed>) = 0 [pid 6143] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6134] <... mprotect resumed>) = 0 [pid 6143] <... openat resumed>) = 3 [pid 6134] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6143] chdir("./file0") = 0 [pid 6135] +++ exited with 0 +++ [pid 6134] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6143] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6143] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6135, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5859] restart_syscall(<... resuming interrupted clone ...> [pid 6143] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... clone3 resumed> => {parent_tid=[6146]}, 88) = 6146 [pid 6143] <... futex resumed>) = 1 [pid 6139] <... futex resumed>) = 0 [pid 6134] rt_sigprocmask(SIG_SETMASK, [], [pid 6143] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6139] <... futex resumed>) = 0 [pid 6134] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6139] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6134] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6146 attached [pid 6146] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6134] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6146] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6146] rt_sigprocmask(SIG_SETMASK, [], [pid 6143] <... openat resumed>) = 4 [pid 6146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6146] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6146] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6134] <... futex resumed>) = 0 [ 226.954869][ T6143] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 226.967898][ T6135] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 226.983822][ T6145] UDF-fs: warning (device loop3): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [pid 6146] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6143] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... write resumed>) = 843776 [pid 6134] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... restart_syscall resumed>) = 0 [pid 6143] <... futex resumed>) = 1 [pid 6139] <... futex resumed>) = 0 [pid 6136] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... futex resumed>) = 1 [pid 6139] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 0 [pid 6134] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6143] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6139] <... futex resumed>) = 0 [pid 6136] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6146] <... futex resumed>) = 0 [pid 6146] fdatasync(6 [pid 5859] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6146] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6146] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6146] <... futex resumed>) = 1 [pid 5859] <... openat resumed>) = 3 [pid 6143] <... openat resumed>) = 5 [pid 6134] <... futex resumed>) = 0 [pid 6146] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] exit_group(0 [pid 5859] newfstatat(3, "", [pid 6136] <... futex resumed>) = ? [pid 6134] <... exit_group resumed>) = ? [pid 6146] <... futex resumed>) = ? [pid 6136] +++ exited with 0 +++ [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6143] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] getdents64(3, [pid 6143] <... futex resumed>) = 1 [pid 6139] <... futex resumed>) = 0 [pid 6143] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6139] <... futex resumed>) = 0 [pid 6143] pwrite64(5, "2", 1, 134220897 [pid 6139] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6143] <... pwrite64 resumed>) = 1 [pid 5859] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6140] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5859] newfstatat(AT_FDCWD, "./18/binderfs", [pid 6140] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6140] <... futex resumed>) = 0 [pid 5859] unlink("./18/binderfs" [pid 6140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] <... unlink resumed>) = 0 [pid 6140] <... mmap resumed>) = 0x7f708f746000 [pid 5859] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6146] +++ exited with 0 +++ [pid 6145] +++ exited with 0 +++ [pid 6143] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... write resumed>) = 843776 [pid 6140] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6137] +++ exited with 0 +++ [pid 6134] +++ exited with 0 +++ [pid 6143] <... futex resumed>) = 1 [pid 6139] <... futex resumed>) = 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6134, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6143] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] <... mprotect resumed>) = 0 [pid 6139] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6137, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 6143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6142] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6139] <... futex resumed>) = 0 [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 6143] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6142] <... futex resumed>) = 0 [pid 6140] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6139] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... restart_syscall resumed>) = 0 [pid 6140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5858] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6147 attached [pid 6147] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6140] <... clone3 resumed> => {parent_tid=[6147]}, 88) = 6147 [pid 5855] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6147] <... rseq resumed>) = 0 [pid 6142] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 227.007764][ T6145] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 227.026861][ T6146] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6147] set_robust_list(0x7f708f7669a0, 24 [pid 6140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./18/binderfs") = 0 [pid 5855] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6147] <... set_robust_list resumed>) = 0 [pid 6140] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6147] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] <... openat resumed>) = 3 [pid 6147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] <... futex resumed>) = 0 [pid 5858] newfstatat(3, "", [pid 6147] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6140] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6139] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6139] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6139] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6139] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6148 attached => {parent_tid=[6148]}, 88) = 6148 [pid 6139] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 227.058530][ T141] bio_check_eod: 286 callbacks suppressed [ 227.058549][ T141] kworker/u8:5: attempt to access beyond end of device [ 227.058549][ T141] loop4: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 227.080987][ T141] buffer_io_error: 281 callbacks suppressed [ 227.081006][ T141] Buffer I/O error on dev loop4, logical block 1024, lost async page write [ 227.097540][ T141] kworker/u8:5: attempt to access beyond end of device [pid 6139] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6139] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6148] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6148] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6148] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6148] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6147] <... openat resumed>) = 6 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6148] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] getdents64(3, [pid 6148] <... futex resumed>) = 1 [pid 6139] <... futex resumed>) = 0 [pid 6139] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6139] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6148] fdatasync(6 [pid 6147] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = 0 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6148] <... fdatasync resumed>) = 0 [pid 6148] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6139] <... futex resumed>) = 0 [ 227.097540][ T141] loop4: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 227.115021][ T141] Buffer I/O error on dev loop4, logical block 1024, lost async page write [ 227.117827][ T3486] kworker/u8:9: attempt to access beyond end of device [ 227.117827][ T3486] loop0: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 227.137925][ T141] kworker/u8:5: attempt to access beyond end of device [ 227.137925][ T141] loop4: rw=1, sector=2048, nr_sectors = 2 limit=2048 [pid 6148] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6147] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6143] <... write resumed>) = 843776 [pid 6143] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6143] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] exit_group(0 [pid 6148] <... futex resumed>) = ? [pid 6139] <... exit_group resumed>) = ? [pid 6148] +++ exited with 0 +++ [pid 6143] <... futex resumed>) = ? [pid 6142] <... futex resumed>) = 0 [pid 6140] <... futex resumed>) = 1 [pid 5858] newfstatat(AT_FDCWD, "./18/binderfs", [pid 6142] fdatasync(6) = -1 EIO (Input/output error) [pid 6142] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 227.151839][ T141] Buffer I/O error on dev loop4, logical block 1024, lost async page write [ 227.160886][ T141] kworker/u8:5: attempt to access beyond end of device [ 227.160886][ T141] loop4: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 227.171067][ T6143] UDF-fs: warning (device loop2): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 227.174633][ T141] Buffer I/O error on dev loop4, logical block 1024, lost async page write [ 227.191917][ T3486] Buffer I/O error on dev loop0, logical block 1024, lost async page write [pid 6142] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5858] unlink("./18/binderfs" [pid 6140] exit_group(0 [pid 5858] <... unlink resumed>) = 0 [ 227.199913][ T141] kworker/u8:5: attempt to access beyond end of device [ 227.199913][ T141] loop4: rw=1, sector=2050, nr_sectors = 2 limit=2048 [ 227.208620][ T3486] kworker/u8:9: attempt to access beyond end of device [ 227.208620][ T3486] loop0: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 227.221517][ T141] Buffer I/O error on dev loop4, logical block 1025, lost async page write [ 227.235342][ T6143] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6147] <... futex resumed>) = ? [pid 6142] <... futex resumed>) = ? [pid 6140] <... exit_group resumed>) = ? [pid 5858] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6147] +++ exited with 0 +++ [pid 6142] +++ exited with 0 +++ [pid 6143] +++ exited with 0 +++ [pid 6139] +++ exited with 0 +++ [pid 6140] +++ exited with 0 +++ [ 227.254991][ T3486] Buffer I/O error on dev loop0, logical block 1024, lost async page write [ 227.257834][ T6140] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 227.263771][ T3486] kworker/u8:9: attempt to access beyond end of device [ 227.263771][ T3486] loop0: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 227.280234][ T141] kworker/u8:5: attempt to access beyond end of device [ 227.280234][ T141] loop4: rw=1, sector=2050, nr_sectors = 2 limit=2048 [ 227.293382][ T3486] Buffer I/O error on dev loop0, logical block 1024, lost async page write [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6139, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6140, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [ 227.303294][ T141] Buffer I/O error on dev loop4, logical block 1025, lost async page write [ 227.312523][ T3486] kworker/u8:9: attempt to access beyond end of device [ 227.312523][ T3486] loop0: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 227.319018][ T35] Buffer I/O error on dev loop3, logical block 1024, lost async page write [ 227.339287][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5857] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... openat resumed>) = 3 [pid 5856] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] <... umount2 resumed>) = 0 [pid 5855] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./18/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5855] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] newfstatat(3, "", [pid 5856] <... openat resumed>) = 3 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] newfstatat(3, "", [pid 5855] getdents64(4, [pid 5857] getdents64(3, [pid 5859] <... umount2 resumed>) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] getdents64(3, [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5856] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... umount2 resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] close(4 [pid 5857] unlink("./18/binderfs" [pid 5856] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5857] <... unlink resumed>) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] unlink("./18/binderfs" [pid 5859] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... close resumed>) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... unlink resumed>) = 0 [pid 5855] rmdir("./18/file0" [pid 5859] newfstatat(AT_FDCWD, "./18/file0", [pid 5858] newfstatat(AT_FDCWD, "./18/file0", [pid 5856] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... rmdir resumed>) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] getdents64(3, [pid 5859] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] close(3 [pid 5859] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] <... close resumed>) = 0 [ 227.345272][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 227.378518][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 5859] <... openat resumed>) = 4 [pid 5858] <... openat resumed>) = 4 [pid 5855] rmdir("./18" [pid 5859] newfstatat(4, "", [pid 5858] newfstatat(4, "", [pid 5855] <... rmdir resumed>) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] mkdir("./19", 0777 [pid 5859] getdents64(4, [pid 5858] getdents64(4, [pid 5855] <... mkdir resumed>) = 0 [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5859] getdents64(4, [pid 5858] getdents64(4, [pid 5855] <... openat resumed>) = 3 [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 5859] close(4 [pid 5858] close(4 [pid 5855] <... ioctl resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5855] close(3 [pid 5859] rmdir("./18/file0" [pid 5858] rmdir("./18/file0" [pid 5855] <... close resumed>) = 0 [pid 5858] <... rmdir resumed>) = 0 [pid 5859] <... rmdir resumed>) = 0 [pid 5858] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5858] rmdir("./18" [pid 5859] getdents64(3, [pid 5858] <... rmdir resumed>) = 0 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5859] close(3) = 0 [pid 5859] rmdir("./18") = 0 [pid 5858] mkdir("./19", 0777) = 0 [pid 5859] mkdir("./19", 0777) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6149 attached [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5859] <... openat resumed>) = 3 [pid 5858] <... ioctl resumed>) = 0 [pid 6149] set_robust_list(0x55559362e6a0, 24 [pid 5859] ioctl(3, LOOP_CLR_FD [pid 5858] close(3 [pid 6149] <... set_robust_list resumed>) = 0 [pid 5859] <... ioctl resumed>) = 0 [ 227.439444][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 227.460609][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 6149] chdir("./19" [pid 5859] close(3 [pid 5857] <... umount2 resumed>) = 0 [pid 5856] <... umount2 resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6149 [pid 6149] <... chdir resumed>) = 0 [pid 5857] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6149] <... prctl resumed>) = 0 [pid 5857] newfstatat(AT_FDCWD, "./18/file0", [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6149] setpgid(0, 0 [pid 5856] newfstatat(AT_FDCWD, "./18/file0", [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6149] <... setpgid resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6151 attached ./strace-static-x86_64: Process 6150 attached [pid 5857] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6151] set_robust_list(0x55559362e6a0, 24 [pid 6150] set_robust_list(0x55559362e6a0, 24 [pid 6149] <... openat resumed>) = 3 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6151 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6150 [pid 5857] <... openat resumed>) = 4 [pid 5856] <... openat resumed>) = 4 [pid 6150] <... set_robust_list resumed>) = 0 [pid 5857] newfstatat(4, "", [pid 5856] newfstatat(4, "", [pid 6150] chdir("./19" [pid 6149] write(3, "1000", 4 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6149] <... write resumed>) = 4 [pid 5856] getdents64(4, [pid 6151] <... set_robust_list resumed>) = 0 [pid 6150] <... chdir resumed>) = 0 [pid 6149] close(3 [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6151] chdir("./19" [pid 6150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6149] <... close resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(4, [pid 6151] <... chdir resumed>) = 0 [pid 6150] <... prctl resumed>) = 0 [pid 6151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6150] setpgid(0, 0 [pid 6149] symlink("/dev/binderfs", "./binderfs" [pid 5857] getdents64(4, [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6151] <... prctl resumed>) = 0 [pid 6149] <... symlink resumed>) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] close(4 [pid 6151] setpgid(0, 0executing program [pid 6150] <... setpgid resumed>) = 0 [pid 5857] getdents64(4, [pid 5856] <... close resumed>) = 0 [pid 6151] <... setpgid resumed>) = 0 [pid 6150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6149] write(1, "executing program\n", 18 [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] rmdir("./18/file0" [pid 6151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6149] <... write resumed>) = 18 [pid 5857] close(4 [pid 6151] <... openat resumed>) = 3 [pid 6150] <... openat resumed>) = 3 [pid 6149] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... close resumed>) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 6149] <... futex resumed>) = 0 [pid 5857] rmdir("./18/file0" [pid 5856] getdents64(3, [pid 6149] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6151] write(3, "1000", 4 [pid 6150] write(3, "1000", 4 [pid 6151] <... write resumed>) = 4 [pid 6150] <... write resumed>) = 4 [pid 6151] close(3 [pid 6150] close(3 [pid 6151] <... close resumed>) = 0 [pid 6150] <... close resumed>) = 0 [pid 6149] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5856] close(3 [pid 6149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6151] symlink("/dev/binderfs", "./binderfs" [pid 6150] symlink("/dev/binderfs", "./binderfs"executing program [pid 6149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5856] <... close resumed>) = 0 [pid 6151] <... symlink resumed>) = 0 [pid 6150] <... symlink resumed>) = 0 [pid 5857] getdents64(3, [pid 6151] write(1, "executing program\n", 18 executing program [pid 6150] write(1, "executing program\n", 18 [pid 6149] <... mmap resumed>) = 0x7f708f767000 [pid 6151] <... write resumed>) = 18 [pid 6150] <... write resumed>) = 18 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6149] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5856] rmdir("./18" [pid 6151] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] close(3 [pid 6151] <... futex resumed>) = 0 [pid 6150] <... futex resumed>) = 0 [pid 6149] <... mprotect resumed>) = 0 [pid 6151] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6150] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6151] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6150] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 6151] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5857] <... close resumed>) = 0 [pid 5856] mkdir("./19", 0777 [pid 6151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5857] rmdir("./18" [pid 6151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6151] <... mmap resumed>) = 0x7f708f767000 [pid 6150] <... mmap resumed>) = 0x7f708f767000 [pid 6149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5856] <... mkdir resumed>) = 0 [pid 6151] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6150] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6152 attached [pid 6151] <... mprotect resumed>) = 0 [pid 6150] <... mprotect resumed>) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6152] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6151] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6150] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6149] <... clone3 resumed> => {parent_tid=[6152]}, 88) = 6152 [pid 5857] mkdir("./19", 0777 [pid 6152] <... rseq resumed>) = 0 [pid 6151] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6150] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6149] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] <... openat resumed>) = 3 [pid 6152] set_robust_list(0x7f708f7879a0, 24 [pid 6151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] <... mkdir resumed>) = 0 [pid 5856] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6154 attached ./strace-static-x86_64: Process 6153 attached [pid 6152] <... set_robust_list resumed>) = 0 [pid 6149] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... ioctl resumed>) = 0 [pid 6154] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6153] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6152] rt_sigprocmask(SIG_SETMASK, [], [pid 6151] <... clone3 resumed> => {parent_tid=[6154]}, 88) = 6154 [pid 6150] <... clone3 resumed> => {parent_tid=[6153]}, 88) = 6153 [pid 6149] <... futex resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5856] close(3 [pid 6154] <... rseq resumed>) = 0 [pid 6153] <... rseq resumed>) = 0 [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6151] rt_sigprocmask(SIG_SETMASK, [], [pid 6150] rt_sigprocmask(SIG_SETMASK, [], [pid 6149] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6154] set_robust_list(0x7f708f7879a0, 24 [pid 6153] set_robust_list(0x7f708f7879a0, 24 [pid 6152] memfd_create("syzkaller", 0 [pid 6151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6154] <... set_robust_list resumed>) = 0 [pid 6153] <... set_robust_list resumed>) = 0 [pid 6154] rt_sigprocmask(SIG_SETMASK, [], [pid 6153] rt_sigprocmask(SIG_SETMASK, [], [pid 6151] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] <... memfd_create resumed>) = 3 [pid 6151] <... futex resumed>) = 0 [pid 6150] <... futex resumed>) = 0 [pid 6154] memfd_create("syzkaller", 0 [pid 6153] memfd_create("syzkaller", 0 [pid 6152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6151] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6150] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6154] <... memfd_create resumed>) = 3 [pid 6153] <... memfd_create resumed>) = 3 [pid 6152] <... mmap resumed>) = 0x7f7087200000 [pid 6154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6153] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5856] <... close resumed>) = 0 [pid 6153] <... mmap resumed>) = 0x7f7087200000 [pid 5857] <... openat resumed>) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD) = 0 [pid 5857] close(3 [pid 6154] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5857] <... close resumed>) = 0 [pid 6153] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6154] <... write resumed>) = 1048576 [pid 6152] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6156 attached ./strace-static-x86_64: Process 6155 attached [pid 6152] <... write resumed>) = 1048576 [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6156 [pid 6156] set_robust_list(0x55559362e6a0, 24 [pid 6154] munmap(0x7f7087200000, 138412032 [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6155 [pid 6156] <... set_robust_list resumed>) = 0 [pid 6155] set_robust_list(0x55559362e6a0, 24 [pid 6156] chdir("./19" [pid 6155] <... set_robust_list resumed>) = 0 [pid 6154] <... munmap resumed>) = 0 [pid 6154] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6154] ioctl(4, LOOP_SET_FD, 3 [pid 6153] <... write resumed>) = 1048576 [pid 6153] munmap(0x7f7087200000, 138412032 [pid 6155] chdir("./19" [pid 6156] <... chdir resumed>) = 0 [pid 6155] <... chdir resumed>) = 0 [pid 6156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6156] <... prctl resumed>) = 0 [pid 6155] <... prctl resumed>) = 0 [pid 6155] setpgid(0, 0 [pid 6156] setpgid(0, 0 [pid 6155] <... setpgid resumed>) = 0 [pid 6153] <... munmap resumed>) = 0 [pid 6156] <... setpgid resumed>) = 0 [pid 6155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6154] <... ioctl resumed>) = 0 [pid 6152] munmap(0x7f7087200000, 138412032 [pid 6156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6155] <... openat resumed>) = 3 [pid 6154] close(3 [pid 6155] write(3, "1000", 4 [pid 6154] <... close resumed>) = 0 [pid 6153] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6152] <... munmap resumed>) = 0 [pid 6155] <... write resumed>) = 4 [pid 6154] close(4 [pid 6153] <... openat resumed>) = 4 [pid 6154] <... close resumed>) = 0 [pid 6156] <... openat resumed>) = 3 [pid 6155] close(3 [pid 6156] write(3, "1000", 4 [pid 6155] <... close resumed>) = 0 [pid 6154] mkdir("./file0", 0777 [pid 6153] ioctl(4, LOOP_SET_FD, 3 [pid 6152] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6156] <... write resumed>) = 4 [pid 6155] symlink("/dev/binderfs", "./binderfs" [pid 6154] <... mkdir resumed>) = 0 [pid 6154] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6155] <... symlink resumed>) = 0 [pid 6156] close(3 [pid 6155] write(1, "executing program\n", 18executing program [ 227.645343][ T6154] loop4: detected capacity change from 0 to 2048 [ 227.678218][ T6153] loop3: detected capacity change from 0 to 2048 ) = 18 [pid 6156] <... close resumed>) = 0 [pid 6156] symlink("/dev/binderfs", "./binderfs" [pid 6152] <... openat resumed>) = 4 [pid 6155] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... symlink resumed>) = 0 [pid 6152] ioctl(4, LOOP_SET_FD, 3 [pid 6155] <... futex resumed>) = 0 [pid 6156] write(1, "executing program\n", 18 executing program [pid 6155] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6156] <... write resumed>) = 18 [pid 6155] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6153] <... ioctl resumed>) = 0 [pid 6152] <... ioctl resumed>) = 0 [pid 6156] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6156] <... futex resumed>) = 0 [pid 6155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6156] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6153] close(3 [pid 6152] close(3 [pid 6156] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6155] <... mmap resumed>) = 0x7f708f767000 [pid 6153] <... close resumed>) = 0 [pid 6152] <... close resumed>) = 0 [pid 6156] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6155] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6153] close(4 [pid 6152] close(4 [pid 6156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6155] <... mprotect resumed>) = 0 [pid 6152] <... close resumed>) = 0 [pid 6156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6155] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6153] <... close resumed>) = 0 [pid 6152] mkdir("./file0", 0777 [pid 6156] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6152] <... mkdir resumed>) = 0 [pid 6156] <... mprotect resumed>) = 0 [pid 6153] mkdir("./file0", 0777 [pid 6156] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6154] <... mount resumed>) = 0 [pid 6156] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6155] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6153] <... mkdir resumed>) = 0 [pid 6152] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6154] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6153] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6156] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6155] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6154] <... openat resumed>) = 3 [pid 6154] chdir("./file0"./strace-static-x86_64: Process 6158 attached [pid 6155] <... clone3 resumed> => {parent_tid=[6157]}, 88) = 6157 [pid 6154] <... chdir resumed>) = 0 [pid 6154] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6155] rt_sigprocmask(SIG_SETMASK, [], [pid 6158] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6156] <... clone3 resumed> => {parent_tid=[6158]}, 88) = 6158 [pid 6155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6158] <... rseq resumed>) = 0 [pid 6156] rt_sigprocmask(SIG_SETMASK, [], [pid 6155] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] set_robust_list(0x7f708f7879a0, 24 [pid 6156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6155] <... futex resumed>) = 0 [pid 6158] <... set_robust_list resumed>) = 0 [ 227.690469][ T6152] loop0: detected capacity change from 0 to 2048 [ 227.692139][ T6154] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 227.707238][ T6154] UDF-fs: Scanning with blocksize 512 failed [ 227.722770][ T6154] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6156] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] rt_sigprocmask(SIG_SETMASK, [], [pid 6156] <... futex resumed>) = 0 [pid 6155] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6156] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6158] memfd_create("syzkaller", 0 [pid 6154] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6157 attached [pid 6158] <... memfd_create resumed>) = 3 [pid 6154] <... futex resumed>) = 1 [pid 6158] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6154] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] <... mmap resumed>) = 0x7f7087200000 [pid 6157] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 [pid 6157] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6157] rt_sigprocmask(SIG_SETMASK, [], [pid 6151] <... futex resumed>) = 0 [pid 6157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6151] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = 0 [pid 6151] <... futex resumed>) = 1 [pid 6154] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 6154] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] memfd_create("syzkaller", 0 [pid 6154] <... futex resumed>) = 0 [pid 6151] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6157] <... memfd_create resumed>) = 3 [pid 6154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6151] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6154] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6151] <... futex resumed>) = 0 [pid 6157] <... mmap resumed>) = 0x7f7087200000 [pid 6154] <... openat resumed>) = 5 [pid 6151] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6154] <... futex resumed>) = 1 [pid 6151] <... futex resumed>) = 0 [pid 6154] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6151] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6151] <... futex resumed>) = 0 [pid 6154] pwrite64(5, "2", 1, 134220897 [pid 6151] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] <... pwrite64 resumed>) = 1 [pid 6154] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6151] <... futex resumed>) = 0 [pid 6154] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6151] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6151] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6157] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6158] <... write resumed>) = 1048576 [ 227.758562][ T6152] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 227.782212][ T6153] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 227.801697][ T6152] UDF-fs: Scanning with blocksize 512 failed [pid 6157] <... write resumed>) = 1048576 [pid 6157] munmap(0x7f7087200000, 138412032) = 0 [pid 6158] munmap(0x7f7087200000, 138412032) = 0 [pid 6158] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6158] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6154] <... write resumed>) = 843776 [pid 6158] close(3 [pid 6157] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6152] <... mount resumed>) = 0 [pid 6151] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] <... close resumed>) = 0 [pid 6157] <... openat resumed>) = 4 [pid 6154] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... mount resumed>) = 0 [pid 6152] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6151] <... futex resumed>) = 0 [pid 6158] close(4 [pid 6157] ioctl(4, LOOP_SET_FD, 3 [pid 6154] <... futex resumed>) = 0 [pid 6153] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6158] <... close resumed>) = 0 [pid 6153] <... openat resumed>) = 3 [ 227.820822][ T6153] UDF-fs: Scanning with blocksize 512 failed [ 227.836366][ T6158] loop2: detected capacity change from 0 to 2048 [ 227.837770][ T6152] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 227.854161][ T6153] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6158] mkdir("./file0", 0777) = 0 [pid 6153] chdir("./file0" [pid 6158] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6157] <... ioctl resumed>) = 0 [pid 6154] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6157] close(3 [pid 6151] <... mmap resumed>) = 0x7f708f746000 [pid 6157] <... close resumed>) = 0 [pid 6151] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6157] close(4 [pid 6152] <... openat resumed>) = 3 [pid 6157] <... close resumed>) = 0 [pid 6153] <... chdir resumed>) = 0 [pid 6152] chdir("./file0" [pid 6151] <... mprotect resumed>) = 0 [pid 6157] mkdir("./file0", 0777 [pid 6153] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6152] <... chdir resumed>) = 0 [pid 6151] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6153] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6157] <... mkdir resumed>) = 0 [pid 6157] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6153] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6151] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6153] <... futex resumed>) = 1 [pid 6153] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6152] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6152] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6159 attached [pid 6159] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6159] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6159] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6159] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... futex resumed>) = 1 [pid 6151] <... clone3 resumed> => {parent_tid=[6159]}, 88) = 6159 [pid 6150] <... futex resumed>) = 0 [pid 6149] <... futex resumed>) = 0 [pid 6152] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6151] rt_sigprocmask(SIG_SETMASK, [], [pid 6149] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6149] <... futex resumed>) = 0 [pid 6152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6151] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] <... futex resumed>) = 0 [pid 6153] <... futex resumed>) = 0 [pid 6152] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6151] <... futex resumed>) = 1 [pid 6150] <... futex resumed>) = 1 [pid 6159] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6153] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6152] <... openat resumed>) = 4 [pid 6151] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6150] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] <... openat resumed>) = 6 [ 227.865100][ T6157] loop1: detected capacity change from 0 to 2048 [ 227.870927][ T6158] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 227.885494][ T6158] UDF-fs: Scanning with blocksize 512 failed [ 227.888076][ T6157] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 227.912260][ T6158] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6153] <... openat resumed>) = 4 [pid 6152] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... futex resumed>) = 1 [pid 6153] <... futex resumed>) = 1 [pid 6159] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6150] <... futex resumed>) = 0 [pid 6152] <... futex resumed>) = 1 [pid 6151] <... futex resumed>) = 0 [pid 6150] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] <... futex resumed>) = 0 [pid 6153] <... futex resumed>) = 0 [pid 6152] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6151] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... futex resumed>) = 1 [pid 6149] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = 0 [pid 6153] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6151] <... futex resumed>) = 1 [pid 6150] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6149] <... futex resumed>) = 0 [pid 6154] fdatasync(6 [pid 6153] <... openat resumed>) = 5 [pid 6152] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6151] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6149] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6153] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... openat resumed>) = 5 [pid 6154] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... futex resumed>) = 1 [pid 6150] <... futex resumed>) = 0 [pid 6152] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = 1 [pid 6153] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... futex resumed>) = 1 [pid 6151] <... futex resumed>) = 0 [pid 6150] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] <... futex resumed>) = 0 [pid 6158] <... mount resumed>) = 0 [pid 6154] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6151] exit_group(0 [pid 6150] <... futex resumed>) = 0 [pid 6149] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] pwrite64(5, "2", 1, 134220897 [pid 6151] <... exit_group resumed>) = ? [pid 6150] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6149] <... futex resumed>) = 0 [pid 6154] <... futex resumed>) = ? [pid 6152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6154] +++ exited with 0 +++ [pid 6152] pwrite64(5, "2", 1, 134220897 [pid 6159] <... futex resumed>) = ? [pid 6158] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6153] <... pwrite64 resumed>) = 1 [pid 6149] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] +++ exited with 0 +++ [pid 6158] <... openat resumed>) = 3 [pid 6153] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] chdir("./file0" [pid 6153] <... futex resumed>) = 1 [pid 6150] <... futex resumed>) = 0 [pid 6158] <... chdir resumed>) = 0 [pid 6153] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... pwrite64 resumed>) = 1 [pid 6150] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6150] <... futex resumed>) = 0 [pid 6158] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6153] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6152] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6156] <... futex resumed>) = 0 [pid 6152] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [pid 6158] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6156] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... futex resumed>) = 0 [pid 6149] <... futex resumed>) = 0 [pid 6156] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6149] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] <... openat resumed>) = 4 [pid 6158] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6156] <... futex resumed>) = 0 [pid 6156] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6156] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6152] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6158] <... openat resumed>) = 5 [pid 6158] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6156] <... futex resumed>) = 0 [pid 6156] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6156] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] pwrite64(5, "2", 1, 134220897) = 1 [pid 6158] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6156] <... futex resumed>) = 0 [pid 6156] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6156] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6151] +++ exited with 0 +++ [pid 6157] <... mount resumed>) = 0 [pid 6157] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6151, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6157] <... openat resumed>) = 3 [pid 5859] restart_syscall(<... resuming interrupted clone ...> [pid 6157] chdir("./file0") = 0 [pid 6157] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6157] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6157] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] <... futex resumed>) = 0 [pid 6155] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] <... futex resumed>) = 0 [pid 6155] <... futex resumed>) = 1 [pid 6157] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6155] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6157] <... openat resumed>) = 4 [pid 6157] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... restart_syscall resumed>) = 0 [pid 6157] <... futex resumed>) = 1 [pid 6155] <... futex resumed>) = 0 [pid 6157] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6155] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [ 227.918833][ T6157] UDF-fs: Scanning with blocksize 512 failed [ 227.943053][ T6157] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 227.959078][ T6151] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6157] <... openat resumed>) = 5 [pid 6155] <... futex resumed>) = 0 [pid 6157] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6157] <... futex resumed>) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6157] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6150] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5859] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6150] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6150] <... futex resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 6150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] newfstatat(3, "", [pid 6150] <... mmap resumed>) = 0x7f708f746000 [pid 6155] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6157] <... futex resumed>) = 0 [pid 6155] <... futex resumed>) = 1 [pid 6150] <... mprotect resumed>) = 0 [pid 6149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5859] getdents64(3, [pid 6157] pwrite64(5, "2", 1, 134220897 [pid 6149] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6149] <... futex resumed>) = 0 [pid 6157] <... pwrite64 resumed>) = 1 [pid 5859] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6157] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6157] <... futex resumed>) = 0 [pid 6150] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6157] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5859] newfstatat(AT_FDCWD, "./19/binderfs", [pid 6155] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6160 attached [pid 5859] unlink("./19/binderfs" [pid 6160] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6150] <... clone3 resumed> => {parent_tid=[6160]}, 88) = 6160 [pid 6155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6149] <... mmap resumed>) = 0x7f708f746000 [pid 5859] <... unlink resumed>) = 0 [pid 6150] rt_sigprocmask(SIG_SETMASK, [], [pid 6160] <... rseq resumed>) = 0 [pid 6150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6160] set_robust_list(0x7f708f7669a0, 24 [pid 6150] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] <... set_robust_list resumed>) = 0 [pid 6156] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6155] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... futex resumed>) = 0 [pid 6149] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6160] rt_sigprocmask(SIG_SETMASK, [], [pid 6157] <... futex resumed>) = 0 [pid 6156] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... futex resumed>) = 1 [pid 6150] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6149] <... mprotect resumed>) = 0 [pid 6160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6157] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6156] <... futex resumed>) = 0 [pid 6155] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6160] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6156] <... mmap resumed>) = 0x7f708f746000 [pid 6149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6156] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6160] <... openat resumed>) = 6 [pid 6156] <... mprotect resumed>) = 0 [pid 6149] <... clone3 resumed> => {parent_tid=[6161]}, 88) = 6161 [pid 6156] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6149] rt_sigprocmask(SIG_SETMASK, [], [pid 6156] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6156] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6149] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6162 attached ./strace-static-x86_64: Process 6161 attached [pid 6160] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] <... futex resumed>) = 0 [pid 6161] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6160] <... futex resumed>) = 1 [pid 6150] <... futex resumed>) = 0 [pid 6161] <... rseq resumed>) = 0 [pid 6160] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6150] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] set_robust_list(0x7f708f7669a0, 24 [pid 6160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6149] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6156] <... clone3 resumed> => {parent_tid=[6162]}, 88) = 6162 [pid 6161] <... set_robust_list resumed>) = 0 [pid 6160] fdatasync(6 [pid 6161] rt_sigprocmask(SIG_SETMASK, [], [pid 6150] <... futex resumed>) = 0 [pid 6161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6156] rt_sigprocmask(SIG_SETMASK, [], [pid 6150] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6161] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6162] <... rseq resumed>) = 0 [pid 6156] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] set_robust_list(0x7f708f7669a0, 24 [pid 6161] <... openat resumed>) = 6 [pid 6156] <... futex resumed>) = 0 [pid 6162] <... set_robust_list resumed>) = 0 [pid 6156] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6161] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] rt_sigprocmask(SIG_SETMASK, [], [pid 6161] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [pid 6152] <... write resumed>) = 843776 [pid 6162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6161] fdatasync(6 [pid 6152] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6160] <... fdatasync resumed>) = 0 [pid 6152] <... futex resumed>) = 0 [pid 6160] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] <... futex resumed>) = 1 [pid 6152] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6161] <... futex resumed>) = 0 [pid 6150] <... futex resumed>) = 0 [pid 6161] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6161] <... futex resumed>) = 0 [pid 6149] <... futex resumed>) = 1 [pid 6161] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] <... openat resumed>) = 6 [pid 6149] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] <... futex resumed>) = 1 [pid 6156] <... futex resumed>) = 0 [pid 6149] exit_group(0 [pid 6156] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] <... exit_group resumed>) = ? [pid 6161] <... futex resumed>) = ? [pid 6152] <... futex resumed>) = ? [pid 6162] fdatasync(6 [pid 6161] +++ exited with 0 +++ [pid 6156] <... futex resumed>) = 0 [pid 6156] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6155] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6155] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6162] <... fdatasync resumed>) = 0 [pid 6155] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6162] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... mprotect resumed>) = 0 [pid 6153] <... write resumed>) = 843776 [pid 6162] <... futex resumed>) = 1 [pid 6156] <... futex resumed>) = 0 [pid 6155] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6162] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6163 attached => {parent_tid=[6163]}, 88) = 6163 [pid 6155] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6163] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6155] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... rseq resumed>) = 0 [pid 6155] <... futex resumed>) = 0 [pid 6163] set_robust_list(0x7f708f7669a0, 24 [pid 6155] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6163] <... set_robust_list resumed>) = 0 [pid 6153] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] rt_sigprocmask(SIG_SETMASK, [], [pid 6153] <... futex resumed>) = 0 [pid 6163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6153] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6150] exit_group(0 [pid 6163] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6153] <... futex resumed>) = ? [pid 6150] <... exit_group resumed>) = ? [pid 6163] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] +++ exited with 0 +++ [pid 6163] <... futex resumed>) = 1 [pid 6155] <... futex resumed>) = 0 [pid 6163] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6155] <... futex resumed>) = 0 [pid 6163] fdatasync(6 [pid 6155] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] <... write resumed>) = 843776 [pid 6163] <... fdatasync resumed>) = 0 [ 228.068458][ T6152] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 228.080392][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6160] <... futex resumed>) = ? [pid 6152] +++ exited with 0 +++ [pid 6149] +++ exited with 0 +++ [pid 6163] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6149, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5855] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6163] <... futex resumed>) = 1 [pid 6155] <... futex resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./19/binderfs", [pid 6163] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./19/binderfs" [pid 6158] <... futex resumed>) = 0 [pid 5855] <... unlink resumed>) = 0 [pid 6158] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6156] exit_group(0 [pid 6162] <... futex resumed>) = ? [pid 6156] <... exit_group resumed>) = ? [pid 6158] <... futex resumed>) = ? [pid 6158] +++ exited with 0 +++ [pid 5859] <... umount2 resumed>) = 0 [pid 6160] +++ exited with 0 +++ [pid 6150] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6150, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5858] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] getdents64(3, [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] newfstatat(AT_FDCWD, "./19/file0", [pid 5858] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] newfstatat(AT_FDCWD, "./19/binderfs", [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 228.124670][ T6160] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 228.141361][ T6162] UDF-fs: warning (device loop2): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [pid 5859] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] unlink("./19/binderfs" [pid 6157] <... write resumed>) = 843776 [pid 5859] <... openat resumed>) = 4 [pid 5858] <... unlink resumed>) = 0 [pid 5859] newfstatat(4, "", [pid 5858] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6157] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5859] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5859] close(4 [pid 6155] exit_group(0 [pid 5859] <... close resumed>) = 0 [pid 6163] <... futex resumed>) = ? [pid 6155] <... exit_group resumed>) = ? [pid 5859] rmdir("./19/file0" [pid 6163] +++ exited with 0 +++ [pid 5859] <... rmdir resumed>) = 0 [pid 5859] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5859] close(3) = 0 [pid 5859] rmdir("./19") = 0 [pid 5859] mkdir("./20", 0777) = 0 [pid 6157] <... futex resumed>) = ? [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5859] ioctl(3, LOOP_CLR_FD) = 0 [pid 5859] close(3) = 0 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6162] +++ exited with 0 +++ [pid 6156] +++ exited with 0 +++ [pid 5855] <... umount2 resumed>) = 0 [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6156, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5855] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./19/file0", [pid 5857] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... openat resumed>) = 3 [pid 5855] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6164 attached [pid 5857] newfstatat(3, "", [pid 5855] <... openat resumed>) = 4 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6164] set_robust_list(0x55559362e6a0, 24 [pid 5855] newfstatat(4, "", [pid 6164] <... set_robust_list resumed>) = 0 [pid 6164] chdir("./20" [pid 6157] +++ exited with 0 +++ [pid 6155] +++ exited with 0 +++ [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6164 [pid 5857] getdents64(3, [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6164] <... chdir resumed>) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6155, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5855] getdents64(4, [pid 6164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 5857] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] getdents64(4, [pid 6164] <... prctl resumed>) = 0 [pid 6164] setpgid(0, 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6164] <... setpgid resumed>) = 0 [ 228.168803][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 228.168884][ T6162] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 228.207318][ T6157] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5857] newfstatat(AT_FDCWD, "./19/binderfs", [pid 5855] close(4 [pid 6164] write(3, "1000", 4) = 4 [pid 6164] close(3) = 0 [pid 6164] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6164] write(1, "executing program\n", 18) = 18 [pid 6164] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6164] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6164] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... restart_syscall resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 5857] unlink("./19/binderfs" [pid 5855] rmdir("./19/file0") = 0 [pid 5857] <... unlink resumed>) = 0 [pid 5856] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] getdents64(3, [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] close(3 [pid 5856] <... openat resumed>) = 3 [pid 5855] <... close resumed>) = 0 [pid 5856] newfstatat(3, "", [pid 5855] rmdir("./19" [pid 6164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... rmdir resumed>) = 0 [pid 5856] getdents64(3, [pid 5855] mkdir("./20", 0777 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] <... mkdir resumed>) = 0 [pid 5856] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... openat resumed>) = 3 [pid 5856] newfstatat(AT_FDCWD, "./19/binderfs", [pid 5855] ioctl(3, LOOP_CLR_FD [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... ioctl resumed>) = 0 [pid 5856] unlink("./19/binderfs" [pid 5855] close(3 [pid 6164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5856] <... unlink resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 6164] <... mmap resumed>) = 0x7f708f767000 [pid 5856] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6164] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55559362e690) = 6165 [pid 6164] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6164] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6166 attached => {parent_tid=[6166]}, 88) = 6166 [pid 6164] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6164] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 228.251915][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6164] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6166] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 [pid 6166] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6166] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6166] memfd_create("syzkaller", 0) = 3 [pid 6166] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 6165 attached ) = 0x7f7087200000 [pid 5858] <... umount2 resumed>) = 0 [pid 5858] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6165] set_robust_list(0x55559362e6a0, 24 [pid 5858] newfstatat(AT_FDCWD, "./19/file0", [pid 6165] <... set_robust_list resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6166] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 6165] chdir("./20" [pid 5858] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6166] munmap(0x7f7087200000, 138412032) = 0 [pid 6166] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6166] ioctl(4, LOOP_SET_FD, 3 [pid 6165] <... chdir resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5858] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6165] <... prctl resumed>) = 0 [pid 6166] <... ioctl resumed>) = 0 [pid 5858] <... openat resumed>) = 4 [pid 6165] setpgid(0, 0 [pid 5857] <... umount2 resumed>) = 0 [pid 5856] <... umount2 resumed>) = 0 [pid 6165] <... setpgid resumed>) = 0 [pid 5858] newfstatat(4, "", [pid 5857] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6166] close(3 [pid 5856] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6166] <... close resumed>) = 0 [pid 6165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6166] close(4 [pid 6165] <... openat resumed>) = 3 [pid 5858] getdents64(4, [pid 5857] newfstatat(AT_FDCWD, "./19/file0", [pid 5856] newfstatat(AT_FDCWD, "./19/file0", [pid 6166] <... close resumed>) = 0 [pid 6165] write(3, "1000", 4 [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6166] mkdir("./file0", 0777 [pid 6165] <... write resumed>) = 4 [pid 5858] getdents64(4, [pid 5857] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6165] close(3 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6166] <... mkdir resumed>) = 0 [pid 6165] <... close resumed>) = 0 [pid 5858] close(4 [pid 5857] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6166] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6165] symlink("/dev/binderfs", "./binderfs" [pid 5858] <... close resumed>) = 0 [pid 5857] <... openat resumed>) = 4 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6165] <... symlink resumed>) = 0 [pid 5858] rmdir("./19/file0"executing program [pid 5857] newfstatat(4, "", [pid 6165] write(1, "executing program\n", 18 [pid 5858] <... rmdir resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6165] <... write resumed>) = 18 [pid 5858] getdents64(3, [pid 5857] getdents64(4, [pid 6165] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] <... openat resumed>) = 4 [ 228.338660][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [ 228.357366][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 228.380567][ T6166] loop4: detected capacity change from 0 to 2048 [pid 6165] <... futex resumed>) = 0 [pid 5858] close(3 [pid 5857] getdents64(4, [pid 5856] newfstatat(4, "", [pid 6165] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5858] <... close resumed>) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6165] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5858] rmdir("./19" [pid 5857] close(4 [pid 6165] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5858] <... rmdir resumed>) = 0 [pid 5857] <... close resumed>) = 0 [pid 6165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] rmdir("./19/file0" [pid 6165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5857] <... rmdir resumed>) = 0 [pid 6165] <... mmap resumed>) = 0x7f708f767000 [pid 5857] getdents64(3, [pid 6165] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5858] mkdir("./20", 0777 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6165] <... mprotect resumed>) = 0 [pid 5857] close(3) = 0 [pid 6165] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5857] rmdir("./19" [pid 6165] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5858] <... mkdir resumed>) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 6165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6167 attached [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6167] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6165] <... clone3 resumed> => {parent_tid=[6167]}, 88) = 6167 [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5857] mkdir("./20", 0777 [pid 6167] <... rseq resumed>) = 0 [pid 6165] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] <... openat resumed>) = 3 [pid 6167] set_robust_list(0x7f708f7879a0, 24 [pid 6165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] <... mkdir resumed>) = 0 [pid 5856] getdents64(4, [pid 6167] <... set_robust_list resumed>) = 0 [pid 6165] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] ioctl(3, LOOP_CLR_FD [pid 6167] rt_sigprocmask(SIG_SETMASK, [], [pid 6165] <... futex resumed>) = 0 [pid 5858] <... ioctl resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6165] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5858] close(3 [pid 5857] <... openat resumed>) = 3 [pid 6167] memfd_create("syzkaller", 0 [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6167] <... memfd_create resumed>) = 3 [pid 5856] getdents64(4, [pid 6167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5857] ioctl(3, LOOP_CLR_FD) = 0 [pid 6167] <... mmap resumed>) = 0x7f7087200000 [pid 5857] close(3 [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] close(4 [pid 6167] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5856] <... close resumed>) = 0 [pid 5856] rmdir("./19/file0" [pid 5857] <... close resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] close(3./strace-static-x86_64: Process 6168 attached ) = 0 [pid 6168] set_robust_list(0x55559362e6a0, 24 [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6168 [pid 5856] rmdir("./19" [pid 6168] <... set_robust_list resumed>) = 0 [pid 6168] chdir("./20" [pid 5856] <... rmdir resumed>) = 0 [pid 6168] <... chdir resumed>) = 0 [pid 5856] mkdir("./20", 0777 [pid 6168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 228.414327][ T6166] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 228.431614][ T6166] UDF-fs: Scanning with blocksize 512 failed [pid 6168] setpgid(0, 0 [pid 5856] <... mkdir resumed>) = 0 [pid 6168] <... setpgid resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... openat resumed>) = 3 [pid 6167] <... write resumed>) = 1048576 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] ioctl(3, LOOP_CLR_FD [pid 6168] <... openat resumed>) = 3 [pid 5856] <... ioctl resumed>) = 0 [pid 5856] close(3 [pid 6168] write(3, "1000", 4) = 4 [pid 6168] close(3) = 0 [pid 6168] symlink("/dev/binderfs", "./binderfs" [pid 6167] munmap(0x7f7087200000, 138412032 [pid 6168] <... symlink resumed>) = 0 executing program [pid 6167] <... munmap resumed>) = 0 [pid 6168] write(1, "executing program\n", 18) = 18 [pid 6167] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6168] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... openat resumed>) = 4 [pid 6168] <... futex resumed>) = 0 [pid 6167] ioctl(4, LOOP_SET_FD, 3 [pid 6168] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5856] <... close resumed>) = 0 ./strace-static-x86_64: Process 6169 attached [pid 6168] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6166] <... mount resumed>) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6168] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6166] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6169 ./strace-static-x86_64: Process 6170 attached [pid 6169] set_robust_list(0x55559362e6a0, 24 [pid 6168] <... mmap resumed>) = 0x7f708f767000 [pid 6166] <... openat resumed>) = 3 [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6170 [pid 6169] <... set_robust_list resumed>) = 0 [pid 6166] chdir("./file0" [pid 6168] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6169] chdir("./20" [pid 6166] <... chdir resumed>) = 0 [pid 6168] <... mprotect resumed>) = 0 [pid 6168] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} => {parent_tid=[6171]}, 88) = 6171 [pid 6168] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6171 attached NULL, 8) = 0 [pid 6168] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... ioctl resumed>) = 0 [pid 6168] <... futex resumed>) = 0 [pid 6168] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6171] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6167] close(3 [pid 6171] <... rseq resumed>) = 0 [pid 6167] <... close resumed>) = 0 [pid 6166] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6170] set_robust_list(0x55559362e6a0, 24 [pid 6169] <... chdir resumed>) = 0 [pid 6171] set_robust_list(0x7f708f7879a0, 24 [pid 6167] close(4 [pid 6166] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6171] <... set_robust_list resumed>) = 0 [pid 6170] <... set_robust_list resumed>) = 0 [pid 6169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6167] <... close resumed>) = 0 [pid 6166] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] rt_sigprocmask(SIG_SETMASK, [], [pid 6167] mkdir("./file0", 0777 [pid 6171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6170] chdir("./20" [pid 6169] <... prctl resumed>) = 0 [pid 6167] <... mkdir resumed>) = 0 [pid 6166] <... futex resumed>) = 1 [pid 6164] <... futex resumed>) = 0 [pid 6171] memfd_create("syzkaller", 0 [pid 6170] <... chdir resumed>) = 0 [pid 6171] <... memfd_create resumed>) = 3 [pid 6169] setpgid(0, 0 [pid 6166] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6170] <... prctl resumed>) = 0 [pid 6169] <... setpgid resumed>) = 0 [pid 6167] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6164] <... futex resumed>) = 0 [pid 6171] <... mmap resumed>) = 0x7f7087200000 [pid 6170] setpgid(0, 0 [pid 6169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6166] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6164] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6171] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6170] <... setpgid resumed>) = 0 [ 228.484711][ T6166] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 228.506593][ T6167] loop0: detected capacity change from 0 to 2048 [pid 6169] <... openat resumed>) = 3 [pid 6166] <... openat resumed>) = 4 [pid 6170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6169] write(3, "1000", 4 [pid 6166] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6169] <... write resumed>) = 4 [pid 6166] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] <... openat resumed>) = 3 [pid 6164] <... futex resumed>) = 0 [pid 6164] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... futex resumed>) = 0 [pid 6164] <... futex resumed>) = 1 [pid 6170] write(3, "1000", 4 [pid 6166] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6170] <... write resumed>) = 4 [pid 6169] close(3 [pid 6166] <... openat resumed>) = 5 [pid 6164] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6170] close(3 [pid 6169] <... close resumed>) = 0 [pid 6166] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... close resumed>) = 0 [pid 6169] symlink("/dev/binderfs", "./binderfs" [pid 6166] <... futex resumed>) = 0 [pid 6170] symlink("/dev/binderfs", "./binderfs" [pid 6166] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program executing program [pid 6170] <... symlink resumed>) = 0 [pid 6169] <... symlink resumed>) = 0 [pid 6164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6170] write(1, "executing program\n", 18 [pid 6164] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... write resumed>) = 18 [pid 6169] write(1, "executing program\n", 18 [pid 6170] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... write resumed>) = 18 [pid 6170] <... futex resumed>) = 0 [pid 6169] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... futex resumed>) = 0 [pid 6164] <... futex resumed>) = 1 [pid 6166] pwrite64(5, "2", 1, 134220897 [pid 6164] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6166] <... pwrite64 resumed>) = 1 [pid 6166] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6164] <... futex resumed>) = 0 [pid 6170] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6169] <... futex resumed>) = 0 [pid 6166] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6169] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6164] <... futex resumed>) = 0 [pid 6170] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6169] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6166] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6164] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6171] <... write resumed>) = 1048576 [pid 6170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6169] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6171] munmap(0x7f7087200000, 138412032) = 0 [pid 6170] <... mmap resumed>) = 0x7f708f767000 [pid 6169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6170] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6169] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6170] <... mprotect resumed>) = 0 [pid 6171] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6170] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6169] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6171] <... openat resumed>) = 4 [pid 6170] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6169] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6172 attached [ 228.554141][ T6167] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 228.579753][ T6167] UDF-fs: Scanning with blocksize 512 failed [pid 6172] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 [pid 6172] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6172] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6172] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6173 attached [pid 6173] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6171] ioctl(4, LOOP_SET_FD, 3 [pid 6170] <... clone3 resumed> => {parent_tid=[6173]}, 88) = 6173 [pid 6169] <... clone3 resumed> => {parent_tid=[6172]}, 88) = 6172 [pid 6173] <... rseq resumed>) = 0 [pid 6170] rt_sigprocmask(SIG_SETMASK, [], [pid 6169] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6173] set_robust_list(0x7f708f7879a0, 24 [pid 6170] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] <... set_robust_list resumed>) = 0 [pid 6170] <... futex resumed>) = 0 [pid 6169] <... futex resumed>) = 1 [pid 6173] rt_sigprocmask(SIG_SETMASK, [], [pid 6170] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6169] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6172] <... futex resumed>) = 0 [pid 6173] memfd_create("syzkaller", 0 [pid 6172] memfd_create("syzkaller", 0 [pid 6171] <... ioctl resumed>) = 0 [pid 6173] <... memfd_create resumed>) = 3 [pid 6172] <... memfd_create resumed>) = 3 [pid 6173] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6171] close(3 [pid 6167] <... mount resumed>) = 0 [pid 6173] <... mmap resumed>) = 0x7f7087200000 [pid 6172] <... mmap resumed>) = 0x7f7087200000 [pid 6171] <... close resumed>) = 0 [pid 6167] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6173] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6172] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6171] close(4 [pid 6164] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6167] <... openat resumed>) = 3 [pid 6164] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6172] <... write resumed>) = 1048576 [ 228.617801][ T6167] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 228.634962][ T6171] loop2: detected capacity change from 0 to 2048 [pid 6171] <... close resumed>) = 0 [pid 6167] chdir("./file0" [pid 6164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6167] <... chdir resumed>) = 0 [pid 6171] mkdir("./file0", 0777) = 0 [pid 6167] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6166] <... write resumed>) = 843776 [pid 6164] <... mmap resumed>) = 0x7f708f746000 [pid 6164] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6164] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6164] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6174]}, 88) = 6174 [pid 6164] rt_sigprocmask(SIG_SETMASK, [], [pid 6167] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6171] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6166] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6174 attached [pid 6164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6164] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... futex resumed>) = 1 [pid 6164] <... futex resumed>) = 0 [pid 6167] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6174] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6166] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6174] <... rseq resumed>) = 0 [pid 6166] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] set_robust_list(0x7f708f7669a0, 24 [pid 6167] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 1 [pid 6174] <... set_robust_list resumed>) = 0 [pid 6167] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6165] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6174] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6174] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6167] <... openat resumed>) = 4 [pid 6174] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6164] <... futex resumed>) = 0 [pid 6164] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] <... futex resumed>) = 1 [pid 6164] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] munmap(0x7f7087200000, 138412032) = 0 [pid 6167] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... futex resumed>) = 0 [pid 6173] <... write resumed>) = 1048576 [pid 6172] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6167] <... futex resumed>) = 1 [pid 6166] fdatasync(6 [pid 6165] <... futex resumed>) = 0 [pid 6173] munmap(0x7f7087200000, 138412032 [pid 6172] <... openat resumed>) = 4 [pid 6167] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6166] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6165] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] <... munmap resumed>) = 0 [pid 6172] ioctl(4, LOOP_SET_FD, 3 [pid 6167] <... openat resumed>) = 5 [pid 6166] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... futex resumed>) = 0 [pid 6167] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... futex resumed>) = 1 [pid 6165] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] <... futex resumed>) = 0 [pid 6167] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6167] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] exit_group(0 [pid 6167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6165] <... futex resumed>) = 0 [pid 6174] <... futex resumed>) = ? [pid 6167] pwrite64(5, "2", 1, 134220897 [pid 6165] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] <... exit_group resumed>) = ? [pid 6173] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6173] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6166] +++ exited with 0 +++ [pid 6167] <... pwrite64 resumed>) = 1 [pid 6167] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6165] <... futex resumed>) = 0 [pid 6165] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6165] <... futex resumed>) = 0 [pid 6172] <... ioctl resumed>) = 0 [pid 6172] close(3) = 0 [pid 6172] close(4) = 0 [pid 6165] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] mkdir("./file0", 0777) = 0 [pid 6172] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6173] close(3) = 0 [pid 6173] close(4) = 0 [pid 6173] mkdir("./file0", 0777) = 0 [pid 6173] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6174] +++ exited with 0 +++ [pid 6164] +++ exited with 0 +++ [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6164, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5859] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5859] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 228.687602][ T6171] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 228.701977][ T6172] loop3: detected capacity change from 0 to 2048 [ 228.708816][ T6171] UDF-fs: Scanning with blocksize 512 failed [ 228.711884][ T6173] loop1: detected capacity change from 0 to 2048 [ 228.725121][ T6174] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5859] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] getdents64(3, [pid 6165] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6165] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6171] <... mount resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6171] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6171] chdir("./file0") = 0 [pid 6171] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6171] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6168] <... futex resumed>) = 0 [pid 6171] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6168] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] <... openat resumed>) = 4 [pid 6168] <... futex resumed>) = 0 [pid 6171] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6171] <... futex resumed>) = 0 [pid 6168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6168] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6171] <... openat resumed>) = 5 [pid 6168] <... futex resumed>) = 0 [ 228.766641][ T6171] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 228.794241][ T6173] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 228.796684][ T6172] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [pid 6171] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] <... mmap resumed>) = 0x7f708f746000 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6171] <... futex resumed>) = 0 [pid 6168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] pwrite64(5, "2", 1, 134220897 [pid 6168] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] <... pwrite64 resumed>) = 1 [pid 6168] <... futex resumed>) = 0 [pid 6168] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6171] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6168] <... futex resumed>) = 0 [pid 6165] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5859] newfstatat(AT_FDCWD, "./20/binderfs", [pid 6171] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6168] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... mprotect resumed>) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6168] <... futex resumed>) = 0 [pid 6168] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] unlink("./20/binderfs" [pid 6165] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] <... unlink resumed>) = 0 [pid 6165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5859] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6175 attached [pid 6175] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6165] <... clone3 resumed> => {parent_tid=[6175]}, 88) = 6175 [pid 6165] rt_sigprocmask(SIG_SETMASK, [], [pid 6175] <... rseq resumed>) = 0 [pid 6165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6175] set_robust_list(0x7f708f7669a0, 24 [pid 6165] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... set_robust_list resumed>) = 0 [pid 6167] <... write resumed>) = 843776 [pid 6165] <... futex resumed>) = 0 [pid 6175] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6175] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6165] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6175] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] <... futex resumed>) = 0 [ 228.812371][ T6172] UDF-fs: Scanning with blocksize 512 failed [ 228.821287][ T6173] UDF-fs: Scanning with blocksize 512 failed [ 228.845460][ T6172] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6165] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6165] <... futex resumed>) = 1 [pid 6167] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] <... mount resumed>) = 0 [pid 6172] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6172] chdir("./file0") = 0 [pid 6168] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6173] <... mount resumed>) = 0 [pid 6172] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6168] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... futex resumed>) = 0 [pid 6173] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6172] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6168] <... futex resumed>) = 0 [pid 6175] fdatasync(6 [pid 6173] <... openat resumed>) = 3 [pid 6172] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6173] chdir("./file0" [pid 6172] <... futex resumed>) = 1 [pid 6169] <... futex resumed>) = 0 [pid 6173] <... chdir resumed>) = 0 [pid 6172] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6173] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6172] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6169] <... futex resumed>) = 0 [pid 6168] <... mmap resumed>) = 0x7f708f746000 [pid 6169] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6168] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6175] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6173] <... futex resumed>) = 1 [pid 6170] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6175] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] exit_group(0 [pid 6170] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6167] <... futex resumed>) = ? [pid 6170] <... futex resumed>) = 0 [pid 6165] <... exit_group resumed>) = ? [ 228.861389][ T6173] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 228.882196][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6175] <... futex resumed>) = ? [pid 6170] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6168] <... mprotect resumed>) = 0 [pid 6167] +++ exited with 0 +++ [pid 6172] <... openat resumed>) = 4 [pid 6171] <... write resumed>) = 843776 [pid 6168] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6172] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6172] <... futex resumed>) = 1 [pid 6171] <... futex resumed>) = 0 [pid 6169] <... futex resumed>) = 0 [pid 6168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6172] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6169] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6176 attached [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] <... futex resumed>) = 0 [pid 6168] <... clone3 resumed> => {parent_tid=[6176]}, 88) = 6176 [pid 6169] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] <... openat resumed>) = 4 [pid 6172] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6168] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6168] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6168] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] +++ exited with 0 +++ [pid 6165] +++ exited with 0 +++ [pid 6176] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6173] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... openat resumed>) = 5 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6165, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6176] <... rseq resumed>) = 0 [pid 6173] <... futex resumed>) = 1 [pid 6172] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... futex resumed>) = 0 [pid 5859] <... umount2 resumed>) = 0 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 6176] set_robust_list(0x7f708f7669a0, 24 [pid 6173] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6172] <... futex resumed>) = 1 [pid 6170] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... futex resumed>) = 0 [pid 6176] <... set_robust_list resumed>) = 0 [pid 6173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6172] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] <... futex resumed>) = 0 [pid 5859] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6176] rt_sigprocmask(SIG_SETMASK, [], [pid 6173] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6170] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6169] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6173] <... openat resumed>) = 5 [pid 6172] pwrite64(5, "2", 1, 134220897 [pid 6169] <... futex resumed>) = 0 [pid 5859] newfstatat(AT_FDCWD, "./20/file0", [pid 6176] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6173] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] <... futex resumed>) = 1 [pid 6170] <... futex resumed>) = 0 [pid 6170] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6176] <... openat resumed>) = 6 [pid 6173] pwrite64(5, "2", 1, 134220897 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... restart_syscall resumed>) = 0 [pid 6172] <... pwrite64 resumed>) = 1 [pid 6170] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] <... pwrite64 resumed>) = 1 [pid 6172] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6173] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... futex resumed>) = 1 [pid 6169] <... futex resumed>) = 0 [pid 5855] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6176] <... futex resumed>) = 1 [pid 6173] <... futex resumed>) = 1 [pid 6172] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6170] <... futex resumed>) = 0 [pid 6169] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... futex resumed>) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6176] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6173] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... futex resumed>) = 0 [pid 6168] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6171] <... futex resumed>) = 0 [pid 6170] <... futex resumed>) = 0 [pid 6169] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6168] <... futex resumed>) = 1 [pid 5855] <... openat resumed>) = 3 [pid 6173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] fdatasync(6 [pid 6170] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6168] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] newfstatat(3, "", [pid 6173] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6171] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6171] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6171] <... futex resumed>) = 1 [pid 6168] <... futex resumed>) = 0 [pid 5859] <... openat resumed>) = 4 [pid 5855] newfstatat(AT_FDCWD, "./20/binderfs", [pid 6171] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] exit_group(0 [pid 5859] newfstatat(4, "", [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6176] <... futex resumed>) = ? [pid 6171] <... futex resumed>) = ? [pid 6168] <... exit_group resumed>) = ? [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] unlink("./20/binderfs" [pid 6176] +++ exited with 0 +++ [pid 5859] getdents64(4, [pid 5855] <... unlink resumed>) = 0 [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [ 228.910024][ T6175] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5855] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5859] close(4) = 0 [pid 5859] rmdir("./20/file0" [pid 6173] <... write resumed>) = 843776 [pid 6171] +++ exited with 0 +++ [pid 6170] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6169] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6168] +++ exited with 0 +++ [pid 5859] <... rmdir resumed>) = 0 [pid 6173] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] getdents64(3, [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6168, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 6173] <... futex resumed>) = 0 [pid 6170] <... futex resumed>) = 0 [pid 6169] <... futex resumed>) = 0 [pid 6170] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5857] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6169] <... mmap resumed>) = 0x7f708f746000 [pid 6169] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6169] <... mprotect resumed>) = 0 [pid 5857] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6169] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5857] <... openat resumed>) = 3 [pid 6169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6173] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5857] newfstatat(3, "", ./strace-static-x86_64: Process 6177 attached [pid 6177] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6169] <... clone3 resumed> => {parent_tid=[6177]}, 88) = 6177 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6177] <... rseq resumed>) = 0 [pid 6169] rt_sigprocmask(SIG_SETMASK, [], [pid 6177] set_robust_list(0x7f708f7669a0, 24 [pid 6169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] getdents64(3, [pid 6177] <... set_robust_list resumed>) = 0 [pid 6169] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] rt_sigprocmask(SIG_SETMASK, [], [pid 6173] <... openat resumed>) = 6 [pid 6169] <... futex resumed>) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6173] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6177] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6170] <... futex resumed>) = 0 [pid 5857] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6173] <... futex resumed>) = 1 [pid 6177] <... openat resumed>) = 6 [pid 6170] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6177] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] fdatasync(6 [pid 6170] <... futex resumed>) = 0 [pid 5859] close(3 [pid 5857] newfstatat(AT_FDCWD, "./20/binderfs", [pid 6177] <... futex resumed>) = 1 [pid 6170] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6169] <... futex resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 6177] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6173] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6169] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] rmdir("./20" [pid 6177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] <... futex resumed>) = 0 [pid 5857] unlink("./20/binderfs" [pid 5859] <... rmdir resumed>) = 0 [pid 6177] fdatasync(6 [pid 6169] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] <... unlink resumed>) = 0 [pid 6177] <... fdatasync resumed>) = 0 [pid 5859] mkdir("./21", 0777 [pid 6177] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... mkdir resumed>) = 0 [pid 6177] <... futex resumed>) = 1 [pid 6177] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6173] <... futex resumed>) = 1 [pid 6170] <... futex resumed>) = 0 [pid 6169] <... futex resumed>) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6173] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] exit_group(0 [pid 6173] <... futex resumed>) = ? [pid 6170] <... exit_group resumed>) = ? [pid 5859] <... openat resumed>) = 3 [pid 5859] ioctl(3, LOOP_CLR_FD) = 0 [ 228.963402][ T6171] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 228.981987][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5859] close(3 [pid 5855] <... umount2 resumed>) = 0 [pid 5855] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./20/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5855] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] close(4) = 0 [pid 5859] <... close resumed>) = 0 [pid 5855] rmdir("./20/file0") = 0 [pid 5855] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] close(3 [pid 6172] <... write resumed>) = 843776 [pid 5855] <... close resumed>) = 0 [pid 5855] rmdir("./20") = 0 [pid 5855] mkdir("./21", 0777) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5855] ioctl(3, LOOP_CLR_FD) = 0 [pid 6173] +++ exited with 0 +++ [pid 6170] +++ exited with 0 +++ [pid 5855] close(3 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6170, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5856] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5856] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./20/binderfs"./strace-static-x86_64: Process 6178 attached ) = 0 [pid 6172] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6178 [pid 5856] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6178] set_robust_list(0x55559362e6a0, 24 [pid 6172] <... futex resumed>) = 0 [pid 6178] <... set_robust_list resumed>) = 0 [pid 6172] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] chdir("./21") = 0 [pid 6169] exit_group(0 [pid 6177] <... futex resumed>) = ? [pid 6172] <... futex resumed>) = ? [pid 6169] <... exit_group resumed>) = ? [pid 6178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6177] +++ exited with 0 +++ [ 229.027557][ T6173] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 229.045719][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5855] <... close resumed>) = 0 [pid 6178] <... prctl resumed>) = 0 [pid 6178] setpgid(0, 0) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6179 attached ) = 3 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6179 [pid 6179] set_robust_list(0x55559362e6a0, 24) = 0 [pid 6179] chdir("./21") = 0 [pid 6178] write(3, "1000", 4 [pid 6179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6178] <... write resumed>) = 4 [pid 6179] setpgid(0, 0) = 0 [pid 6178] close(3 [pid 6179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6178] <... close resumed>) = 0 [pid 6178] symlink("/dev/binderfs", "./binderfs" [pid 6179] <... openat resumed>) = 3 [pid 6178] <... symlink resumed>) = 0 executing program [pid 6178] write(1, "executing program\n", 18) = 18 [pid 6178] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6178] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6172] +++ exited with 0 +++ [pid 6169] +++ exited with 0 +++ [pid 6178] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6169, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 6178] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 6179] write(3, "1000", 4 [pid 6178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6179] <... write resumed>) = 4 [pid 6179] close(3 [pid 6178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] <... restart_syscall resumed>) = 0 [pid 6179] <... close resumed>) = 0 [pid 6179] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6179] write(1, "executing program\n", 18) = 18 [pid 6179] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6179] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6179] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6179] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5858] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6179] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6178] <... mmap resumed>) = 0x7f708f767000 [pid 5858] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6179] <... clone3 resumed> => {parent_tid=[6180]}, 88) = 6180 [pid 6178] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5858] <... openat resumed>) = 3 [pid 6179] rt_sigprocmask(SIG_SETMASK, [], [pid 6178] <... mprotect resumed>) = 0 [pid 5858] newfstatat(3, "", [pid 6179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6178] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] getdents64(3, [pid 6178] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6180 attached [pid 6179] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 6181 attached [pid 6180] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6179] <... futex resumed>) = 0 [pid 5858] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6181] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6180] <... rseq resumed>) = 0 [pid 6179] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6178] <... clone3 resumed> => {parent_tid=[6181]}, 88) = 6181 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6181] <... rseq resumed>) = 0 [pid 6180] set_robust_list(0x7f708f7879a0, 24 [pid 6178] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] newfstatat(AT_FDCWD, "./20/binderfs", [pid 6180] <... set_robust_list resumed>) = 0 [pid 6178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6181] set_robust_list(0x7f708f7879a0, 24 [pid 6180] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] unlink("./20/binderfs" [pid 6181] <... set_robust_list resumed>) = 0 [ 229.105969][ T6172] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 229.137762][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6178] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] rt_sigprocmask(SIG_SETMASK, [], [pid 6180] memfd_create("syzkaller", 0 [pid 6178] <... futex resumed>) = 0 [pid 5858] <... unlink resumed>) = 0 [pid 6181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6178] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6181] memfd_create("syzkaller", 0 [pid 6180] <... memfd_create resumed>) = 3 [pid 6180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6181] <... memfd_create resumed>) = 3 [pid 6180] <... mmap resumed>) = 0x7f7087200000 [pid 6181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6180] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 6181] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5857] <... umount2 resumed>) = 0 [pid 5856] <... umount2 resumed>) = 0 [pid 6180] munmap(0x7f7087200000, 138412032 [pid 5857] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6180] <... munmap resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./20/file0", [pid 6180] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6180] <... openat resumed>) = 4 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6180] ioctl(4, LOOP_SET_FD, 3 [pid 5857] <... openat resumed>) = 4 [pid 5856] newfstatat(AT_FDCWD, "./20/file0", [pid 5857] newfstatat(4, "", [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(4, [pid 5856] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] close(4 [pid 5856] <... openat resumed>) = 4 [pid 6181] <... write resumed>) = 1048576 [pid 5857] <... close resumed>) = 0 [pid 5856] newfstatat(4, "", [pid 5857] rmdir("./20/file0" [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 5856] getdents64(4, [pid 5857] getdents64(3, [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] getdents64(4, [pid 5857] close(3 [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] <... close resumed>) = 0 [pid 5856] close(4 [pid 5857] rmdir("./20" [pid 5856] <... close resumed>) = 0 [pid 5856] rmdir("./20/file0" [pid 5857] <... rmdir resumed>) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 5857] mkdir("./21", 0777 [pid 5856] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] <... mkdir resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5856] close(3 [pid 5857] <... openat resumed>) = 3 [pid 5856] <... close resumed>) = 0 [pid 5856] rmdir("./20" [pid 5857] ioctl(3, LOOP_CLR_FD [pid 6180] <... ioctl resumed>) = 0 [pid 5858] <... umount2 resumed>) = 0 [pid 5857] <... ioctl resumed>) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 5857] close(3 [pid 6180] close(3 [pid 5858] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6181] munmap(0x7f7087200000, 138412032 [pid 5856] mkdir("./21", 0777 [pid 6181] <... munmap resumed>) = 0 [pid 6180] <... close resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... close resumed>) = 0 [pid 5856] <... mkdir resumed>) = 0 [ 229.202021][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 229.239935][ T6180] loop0: detected capacity change from 0 to 2048 [pid 6181] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6180] close(4 [pid 5858] newfstatat(AT_FDCWD, "./20/file0", [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6180] <... close resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6182 attached [pid 6181] <... openat resumed>) = 4 [pid 6180] mkdir("./file0", 0777 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... openat resumed>) = 3 [pid 6181] ioctl(4, LOOP_SET_FD, 3 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 6182] set_robust_list(0x55559362e6a0, 24 [pid 6180] <... mkdir resumed>) = 0 [pid 5858] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] <... ioctl resumed>) = 0 [pid 6182] <... set_robust_list resumed>) = 0 [pid 6180] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 5858] <... openat resumed>) = 4 [pid 6182] chdir("./21" [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6182 [pid 5856] close(3 [pid 6182] <... chdir resumed>) = 0 [pid 5858] newfstatat(4, "", [pid 5856] <... close resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5858] getdents64(4, [pid 6182] <... prctl resumed>) = 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6182] setpgid(0, 0 [pid 5858] getdents64(4, [pid 6182] <... setpgid resumed>) = 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] close(4) = 0 [pid 6182] <... openat resumed>) = 3 [pid 6182] write(3, "1000", 4 [pid 6181] <... ioctl resumed>) = 0 [pid 5858] rmdir("./20/file0" [pid 6181] close(3) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6181] close(4) = 0 [pid 6181] mkdir("./file0", 0777 [pid 6182] <... write resumed>) = 4 [pid 6181] <... mkdir resumed>) = 0 [pid 5858] <... rmdir resumed>) = 0 [pid 6182] close(3 [pid 5858] getdents64(3, ./strace-static-x86_64: Process 6183 attached [pid 6182] <... close resumed>) = 0 [pid 6181] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6182] symlink("/dev/binderfs", "./binderfs" [pid 5858] close(3 [pid 6182] <... symlink resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 6182] write(1, "executing program\n", 18 [pid 5858] rmdir("./20"executing program [pid 6183] set_robust_list(0x55559362e6a0, 24 [pid 6182] <... write resumed>) = 18 [pid 5858] <... rmdir resumed>) = 0 [pid 6182] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] mkdir("./21", 0777 [pid 6183] <... set_robust_list resumed>) = 0 [pid 5858] <... mkdir resumed>) = 0 [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6183 [pid 6183] chdir("./21" [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6182] <... futex resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 6182] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5858] ioctl(3, LOOP_CLR_FD [pid 6182] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5858] <... ioctl resumed>) = 0 [pid 6182] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5858] close(3 [pid 6182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6183] <... chdir resumed>) = 0 [pid 6182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] <... close resumed>) = 0 [pid 6182] <... mmap resumed>) = 0x7f708f767000 [pid 6183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6182] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6183] <... prctl resumed>) = 0 [pid 6182] <... mprotect resumed>) = 0 [pid 6183] setpgid(0, 0 [pid 6182] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6183] <... setpgid resumed>) = 0 [pid 6182] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 229.286632][ T6181] loop4: detected capacity change from 0 to 2048 [ 229.298635][ T6180] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 229.311204][ T6180] UDF-fs: Scanning with blocksize 512 failed [pid 6182] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6183] <... openat resumed>) = 3 [pid 6183] write(3, "1000", 4./strace-static-x86_64: Process 6184 attached ) = 4 [pid 6182] <... clone3 resumed> => {parent_tid=[6184]}, 88) = 6184 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6183] close(3 [pid 6182] rt_sigprocmask(SIG_SETMASK, [], [pid 6183] <... close resumed>) = 0 [pid 6183] symlink("/dev/binderfs", "./binderfs" [pid 6184] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6183] <... symlink resumed>) = 0 [pid 6182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6184] <... rseq resumed>) = 0 [pid 6182] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] set_robust_list(0x7f708f7879a0, 24 [pid 6182] <... futex resumed>) = 0 [pid 6184] <... set_robust_list resumed>) = 0 [pid 6182] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6185 [pid 6184] rt_sigprocmask(SIG_SETMASK, [], executing program NULL, 8) = 0 [pid 6183] write(1, "executing program\n", 18 [pid 6184] memfd_create("syzkaller", 0 [pid 6183] <... write resumed>) = 18 [pid 6184] <... memfd_create resumed>) = 3 [pid 6184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6183] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... mount resumed>) = 0 [pid 6184] <... mmap resumed>) = 0x7f7087200000 [pid 6183] <... futex resumed>) = 0 [pid 6180] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6183] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, ./strace-static-x86_64: Process 6185 attached NULL, 8) = 0 [pid 6185] set_robust_list(0x55559362e6a0, 24 [pid 6183] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6185] <... set_robust_list resumed>) = 0 [pid 6183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6185] chdir("./21" [pid 6183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6185] <... chdir resumed>) = 0 [pid 6183] <... mmap resumed>) = 0x7f708f767000 [pid 6185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6183] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6183] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6183] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} => {parent_tid=[6186]}, 88) = 6186 ./strace-static-x86_64: Process 6186 attached [pid 6185] <... prctl resumed>) = 0 [pid 6186] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6185] setpgid(0, 0 [pid 6183] rt_sigprocmask(SIG_SETMASK, [], [pid 6186] <... rseq resumed>) = 0 [pid 6185] <... setpgid resumed>) = 0 [pid 6186] set_robust_list(0x7f708f7879a0, 24 [pid 6183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6186] <... set_robust_list resumed>) = 0 [pid 6185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6186] rt_sigprocmask(SIG_SETMASK, [], [pid 6185] <... openat resumed>) = 3 [pid 6183] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6183] <... futex resumed>) = 0 [pid 6180] <... openat resumed>) = 3 [pid 6186] memfd_create("syzkaller", 0 [pid 6185] write(3, "1000", 4 [pid 6183] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6186] <... memfd_create resumed>) = 3 [pid 6185] <... write resumed>) = 4 [pid 6186] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6185] close(3 [pid 6186] <... mmap resumed>) = 0x7f7087200000 [pid 6185] <... close resumed>) = 0 [pid 6185] symlink("/dev/binderfs", "./binderfs" [pid 6184] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6180] chdir("./file0" [pid 6185] <... symlink resumed>) = 0 executing program [pid 6185] write(1, "executing program\n", 18 [pid 6180] <... chdir resumed>) = 0 [pid 6185] <... write resumed>) = 18 [pid 6185] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6185] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6185] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6185] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6180] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6185] <... mprotect resumed>) = 0 [pid 6185] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6185] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6187 attached => {parent_tid=[6187]}, 88) = 6187 [pid 6187] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6185] rt_sigprocmask(SIG_SETMASK, [], [pid 6180] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6187] <... rseq resumed>) = 0 [pid 6186] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6180] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6179] <... futex resumed>) = 0 [pid 6180] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6179] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6179] <... futex resumed>) = 0 [pid 6187] set_robust_list(0x7f708f7879a0, 24 [pid 6185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6180] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6179] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] <... set_robust_list resumed>) = 0 [ 229.354386][ T6181] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 229.359002][ T6180] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 229.376531][ T6181] UDF-fs: Scanning with blocksize 512 failed [ 229.395231][ T6181] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6185] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] rt_sigprocmask(SIG_SETMASK, [], [pid 6185] <... futex resumed>) = 0 [pid 6187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6185] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6180] <... openat resumed>) = 4 [pid 6187] memfd_create("syzkaller", 0 [pid 6181] <... mount resumed>) = 0 [pid 6180] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... memfd_create resumed>) = 3 [pid 6181] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6180] <... futex resumed>) = 1 [pid 6179] <... futex resumed>) = 0 [pid 6187] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6184] <... write resumed>) = 1048576 [pid 6181] <... openat resumed>) = 3 [pid 6180] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6179] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] chdir("./file0" [pid 6180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6179] <... futex resumed>) = 0 [pid 6187] <... mmap resumed>) = 0x7f7087200000 [pid 6180] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6179] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6180] <... openat resumed>) = 5 [pid 6180] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6179] <... futex resumed>) = 0 [pid 6180] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6179] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6186] <... write resumed>) = 1048576 [pid 6184] munmap(0x7f7087200000, 138412032 [pid 6181] <... chdir resumed>) = 0 [pid 6180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6179] <... futex resumed>) = 0 [pid 6179] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6184] <... munmap resumed>) = 0 [pid 6181] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6180] pwrite64(5, "2", 1, 134220897 [pid 6186] munmap(0x7f7087200000, 138412032 [pid 6180] <... pwrite64 resumed>) = 1 [pid 6186] <... munmap resumed>) = 0 [pid 6181] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6180] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6181] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... futex resumed>) = 1 [pid 6179] <... futex resumed>) = 0 [pid 6181] <... futex resumed>) = 1 [pid 6180] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6179] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... futex resumed>) = 0 [pid 6181] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6184] <... openat resumed>) = 4 [pid 6181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6179] <... futex resumed>) = 0 [pid 6178] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6181] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6179] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6178] <... futex resumed>) = 0 [pid 6186] <... openat resumed>) = 4 [pid 6184] ioctl(4, LOOP_SET_FD, 3 [pid 6186] ioctl(4, LOOP_SET_FD, 3 [pid 6178] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] <... write resumed>) = 1048576 [pid 6186] <... ioctl resumed>) = 0 [pid 6184] <... ioctl resumed>) = 0 [pid 6181] <... openat resumed>) = 4 [pid 6187] munmap(0x7f7087200000, 138412032 [pid 6186] close(3 [pid 6184] close(3 [pid 6181] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... close resumed>) = 0 [pid 6181] <... futex resumed>) = 1 [pid 6178] <... futex resumed>) = 0 [pid 6186] <... close resumed>) = 0 [pid 6184] close(4 [pid 6181] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... munmap resumed>) = 0 [pid 6186] close(4 [pid 6184] <... close resumed>) = 0 [pid 6181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6178] <... futex resumed>) = 0 [pid 6181] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6178] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6184] mkdir("./file0", 0777 [pid 6181] <... openat resumed>) = 5 [pid 6186] <... close resumed>) = 0 [pid 6186] mkdir("./file0", 0777 [pid 6184] <... mkdir resumed>) = 0 [pid 6181] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6178] <... futex resumed>) = 0 [pid 6181] pwrite64(5, "2", 1, 134220897 [pid 6178] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] <... mkdir resumed>) = 0 [pid 6181] <... pwrite64 resumed>) = 1 [pid 6178] <... futex resumed>) = 0 [pid 6181] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6186] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6181] <... futex resumed>) = 0 [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6181] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6178] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 229.473239][ T6186] loop1: detected capacity change from 0 to 2048 [ 229.473346][ T6184] loop2: detected capacity change from 0 to 2048 [pid 6178] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6184] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6179] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6187] <... openat resumed>) = 4 [pid 6179] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] ioctl(4, LOOP_SET_FD, 3 [pid 6179] <... futex resumed>) = 0 [pid 6179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6179] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6179] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6188 attached => {parent_tid=[6188]}, 88) = 6188 [pid 6179] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6179] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6179] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6188] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6188] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6188] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6188] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6187] <... ioctl resumed>) = 0 [pid 6187] close(3) = 0 [pid 6187] close(4) = 0 [ 229.525270][ T6187] loop3: detected capacity change from 0 to 2048 [ 229.532831][ T6186] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 229.552528][ T6186] UDF-fs: Scanning with blocksize 512 failed [ 229.564056][ T6184] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [pid 6187] mkdir("./file0", 0777 [pid 6188] <... openat resumed>) = 6 [pid 6187] <... mkdir resumed>) = 0 [pid 6179] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6178] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6178] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6178] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6187] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6180] <... write resumed>) = 843776 [pid 6179] futex(0x7f708f8596ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6179] <... futex resumed>) = 0 [pid 6178] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6188] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6178] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6188] <... futex resumed>) = 0 [pid 6179] <... mmap resumed>) = 0x7f708f725000 [pid 6188] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6179] mprotect(0x7f708f726000, 131072, PROT_READ|PROT_WRITE [pid 6178] <... clone3 resumed> => {parent_tid=[6189]}, 88) = 6189 [pid 6179] <... mprotect resumed>) = 0 [pid 6178] rt_sigprocmask(SIG_SETMASK, [], [pid 6179] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6179] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6178] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f745990, parent_tid=0x7f708f745990, exit_signal=0, stack=0x7f708f725000, stack_size=0x20300, tls=0x7f708f7456c0} [pid 6178] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6189 attached [ 229.569800][ T6186] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6178] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6190 attached [pid 6179] <... clone3 resumed> => {parent_tid=[6190]}, 88) = 6190 [pid 6190] rseq(0x7f708f745fe0, 0x20, 0, 0x53053053 [pid 6179] rt_sigprocmask(SIG_SETMASK, [], [pid 6190] <... rseq resumed>) = 0 [pid 6179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6190] set_robust_list(0x7f708f7459a0, 24 [pid 6179] futex(0x7f708f8596e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... set_robust_list resumed>) = 0 [pid 6179] <... futex resumed>) = 0 [pid 6190] rt_sigprocmask(SIG_SETMASK, [], [pid 6179] futex(0x7f708f8596ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6190] fdatasync(6 [pid 6189] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6186] <... mount resumed>) = 0 [pid 6180] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... rseq resumed>) = 0 [pid 6186] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6180] <... futex resumed>) = 0 [pid 6186] <... openat resumed>) = 3 [pid 6180] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] set_robust_list(0x7f708f7669a0, 24 [pid 6190] <... fdatasync resumed>) = 0 [pid 6189] <... set_robust_list resumed>) = 0 [pid 6186] chdir("./file0" [pid 6190] futex(0x7f708f8596ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] <... chdir resumed>) = 0 [pid 6189] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6186] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6189] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6186] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6190] <... futex resumed>) = 1 [pid 6189] <... openat resumed>) = 6 [pid 6179] <... futex resumed>) = 0 [pid 6179] exit_group(0 [pid 6189] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... futex resumed>) = ? [pid 6186] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... futex resumed>) = ? [pid 6179] <... exit_group resumed>) = ? [pid 6188] +++ exited with 0 +++ [pid 6180] +++ exited with 0 +++ [pid 6189] <... futex resumed>) = 1 [pid 6186] <... futex resumed>) = 1 [pid 6178] <... futex resumed>) = 0 [pid 6190] +++ exited with 0 +++ [pid 6189] fdatasync(6 [pid 6186] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6183] <... futex resumed>) = 0 [pid 6179] +++ exited with 0 +++ [pid 6178] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... fdatasync resumed>) = 0 [pid 6183] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... futex resumed>) = 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6179, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 6186] <... futex resumed>) = 0 [pid 6183] <... futex resumed>) = 1 [pid 6178] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6186] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5855] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6183] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6186] <... openat resumed>) = 4 [pid 5855] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6186] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6183] <... futex resumed>) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6186] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6183] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6186] <... openat resumed>) = 5 [pid 6183] <... futex resumed>) = 0 [pid 6178] <... futex resumed>) = 0 [pid 5855] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6189] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6186] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [ 229.596168][ T6187] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 229.601472][ T6184] UDF-fs: Scanning with blocksize 512 failed [ 229.605316][ T6187] UDF-fs: Scanning with blocksize 512 failed [pid 5855] <... openat resumed>) = 3 [pid 6183] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] newfstatat(3, "", [pid 6183] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6186] <... futex resumed>) = 1 [pid 6183] <... futex resumed>) = 0 [pid 5855] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./21/binderfs") = 0 [pid 5855] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6183] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=38000000} [pid 6186] pwrite64(5, "2", 1, 134220897) = 1 [pid 6181] <... write resumed>) = 843776 [pid 6187] <... mount resumed>) = 0 [pid 6186] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6183] <... futex resumed>) = 0 [pid 6186] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6183] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6183] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6181] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... openat resumed>) = 3 [pid 6181] <... futex resumed>) = 0 [pid 6181] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6187] chdir("./file0") = 0 [pid 6178] exit_group(0 [pid 6187] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6178] <... exit_group resumed>) = ? [pid 6181] <... futex resumed>) = ? [pid 6189] <... futex resumed>) = ? [pid 6189] +++ exited with 0 +++ [pid 6187] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6187] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6187] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6185] <... futex resumed>) = 0 [pid 6185] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... futex resumed>) = 0 [pid 6185] <... futex resumed>) = 1 [pid 6187] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6184] <... mount resumed>) = 0 [pid 6187] <... openat resumed>) = 4 [pid 6185] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6185] <... futex resumed>) = 0 [pid 6187] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6185] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... openat resumed>) = 5 [pid 6185] <... futex resumed>) = 0 [pid 6187] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] <... futex resumed>) = 0 [pid 6185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6184] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6185] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] pwrite64(5, "2", 1, 134220897 [pid 6185] <... futex resumed>) = 0 [pid 6184] <... openat resumed>) = 3 [pid 6187] <... pwrite64 resumed>) = 1 [pid 6185] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6184] chdir("./file0") = 0 [pid 6184] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6187] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6187] <... futex resumed>) = 1 [pid 6185] <... futex resumed>) = 0 [pid 6184] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] +++ exited with 0 +++ [pid 6178] +++ exited with 0 +++ [pid 6187] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6185] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... futex resumed>) = 1 [pid 6182] <... futex resumed>) = 0 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6178, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 6187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6185] <... futex resumed>) = 0 [pid 6182] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] restart_syscall(<... resuming interrupted clone ...> [pid 6185] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] <... futex resumed>) = 0 [pid 5859] <... restart_syscall resumed>) = 0 [pid 5855] <... umount2 resumed>) = 0 [pid 6187] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6184] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6182] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] newfstatat(AT_FDCWD, "./21/file0", [pid 5859] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] newfstatat(AT_FDCWD, "./21/binderfs", [pid 5855] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] unlink("./21/binderfs" [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... unlink resumed>) = 0 [ 229.658614][ T6187] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 229.674582][ T6184] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 229.690713][ T6181] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5859] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6184] <... openat resumed>) = 4 [pid 6183] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5855] <... openat resumed>) = 4 [pid 6184] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] newfstatat(4, "", [pid 6184] <... futex resumed>) = 1 [pid 6183] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6182] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] getdents64(4, [pid 6186] <... write resumed>) = 843776 [pid 6183] <... mmap resumed>) = 0x7f708f746000 [pid 6182] <... futex resumed>) = 0 [pid 6184] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6183] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6182] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6184] <... openat resumed>) = 5 [pid 6183] <... mprotect resumed>) = 0 [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6184] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5855] getdents64(4, [pid 6186] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... futex resumed>) = 1 [pid 6183] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6182] <... futex resumed>) = 0 [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6184] pwrite64(5, "2", 1, 134220897 [pid 6182] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... pwrite64 resumed>) = 1 [pid 6183] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6182] <... futex resumed>) = 0 [pid 5855] close(4 [pid 6186] <... futex resumed>) = 0 [pid 6184] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... close resumed>) = 0 ./strace-static-x86_64: Process 6191 attached [pid 6186] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6184] <... futex resumed>) = 0 [pid 6183] <... clone3 resumed> => {parent_tid=[6191]}, 88) = 6191 [pid 6182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5855] rmdir("./21/file0" [pid 6191] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6184] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6183] rt_sigprocmask(SIG_SETMASK, [], [pid 6182] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] <... rseq resumed>) = 0 [pid 6184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6182] <... futex resumed>) = 0 [pid 5855] <... rmdir resumed>) = 0 [pid 6191] set_robust_list(0x7f708f7669a0, 24 [pid 6184] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6183] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] getdents64(3, [pid 6191] <... set_robust_list resumed>) = 0 [pid 6183] <... futex resumed>) = 0 [pid 6183] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6191] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6191] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6185] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5855] close(3 [pid 6185] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] <... close resumed>) = 0 [pid 6185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5855] rmdir("./21" [pid 6185] <... mmap resumed>) = 0x7f708f746000 [pid 6191] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5855] <... rmdir resumed>) = 0 [pid 6191] <... futex resumed>) = 1 [pid 6185] <... mprotect resumed>) = 0 [pid 6183] <... futex resumed>) = 0 [pid 6185] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5855] mkdir("./22", 0777 [pid 6183] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6186] <... futex resumed>) = 0 [pid 6183] <... futex resumed>) = 1 [pid 6191] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6187] <... write resumed>) = 843776 [pid 6186] fdatasync(6 [pid 6185] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6183] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6192 attached [pid 6187] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6192] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6187] <... futex resumed>) = 0 [pid 6186] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... clone3 resumed> => {parent_tid=[6192]}, 88) = 6192 [pid 6192] <... rseq resumed>) = 0 [pid 6187] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6186] <... futex resumed>) = 1 [pid 6185] rt_sigprocmask(SIG_SETMASK, [], [pid 6183] <... futex resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 6192] set_robust_list(0x7f708f7669a0, 24 [pid 6186] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6183] exit_group(0 [pid 6192] <... set_robust_list resumed>) = 0 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 6192] rt_sigprocmask(SIG_SETMASK, [], [pid 6191] <... futex resumed>) = ? [pid 6186] <... futex resumed>) = ? [pid 6185] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] <... exit_group resumed>) = ? [pid 5855] <... ioctl resumed>) = 0 [pid 6192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6191] +++ exited with 0 +++ [pid 6186] +++ exited with 0 +++ [pid 5855] close(3 [pid 6192] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6185] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6192] <... openat resumed>) = 6 [pid 6185] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6182] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6192] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... mprotect resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 6182] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6192] <... futex resumed>) = 1 [pid 6185] <... futex resumed>) = 0 [pid 6182] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6192] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6185] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6193 attached [pid 6187] <... futex resumed>) = 0 [pid 6185] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6194 attached [pid 6193] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6187] fdatasync(6 [pid 6185] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] +++ exited with 0 +++ [pid 6182] <... clone3 resumed> => {parent_tid=[6193]}, 88) = 6193 [pid 6194] set_robust_list(0x55559362e6a0, 24 [pid 6193] <... rseq resumed>) = 0 [pid 6187] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6182] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... umount2 resumed>) = 0 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6183, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6194 [pid 6194] <... set_robust_list resumed>) = 0 [pid 6187] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 6193] set_robust_list(0x7f708f7669a0, 24 [pid 6187] <... futex resumed>) = 1 [pid 6185] <... futex resumed>) = 0 [pid 6182] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6194] chdir("./22" [pid 6193] <... set_robust_list resumed>) = 0 [pid 6187] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6185] exit_group(0 [pid 6182] <... futex resumed>) = 0 [pid 6193] rt_sigprocmask(SIG_SETMASK, [], [pid 6192] <... futex resumed>) = ? [pid 6187] <... futex resumed>) = ? [pid 6185] <... exit_group resumed>) = ? [pid 6182] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] <... restart_syscall resumed>) = 0 [pid 6193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6192] +++ exited with 0 +++ [ 229.765276][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 229.798516][ T6183] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6193] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5856] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6193] <... openat resumed>) = 6 [pid 5856] <... openat resumed>) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, [pid 6193] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6193] <... futex resumed>) = 1 [pid 6182] <... futex resumed>) = 0 [pid 5856] unlink("./21/binderfs" [pid 6193] fdatasync(6 [pid 6182] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... unlink resumed>) = 0 [pid 6182] <... futex resumed>) = 0 [pid 5856] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6182] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6194] <... chdir resumed>) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] newfstatat(AT_FDCWD, "./21/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 229.837783][ T6187] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6184] <... write resumed>) = 843776 [pid 6194] <... prctl resumed>) = 0 [pid 6193] <... fdatasync resumed>) = 0 [pid 6187] +++ exited with 0 +++ [pid 6185] +++ exited with 0 +++ [pid 5859] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6185, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6194] setpgid(0, 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6194] <... setpgid resumed>) = 0 [pid 5859] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] <... openat resumed>) = 4 [pid 5859] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6194] <... openat resumed>) = 3 [pid 5859] getdents64(4, [pid 6193] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5858] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6194] write(3, "1000", 4 [pid 5859] getdents64(4, [pid 6194] <... write resumed>) = 4 [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6194] close(3 [pid 5859] close(4 [pid 6194] <... close resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 6194] symlink("/dev/binderfs", "./binderfs" [pid 5859] rmdir("./21/file0" [pid 6193] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5858] <... openat resumed>) = 3 [pid 6194] <... symlink resumed>) = 0 [pid 6193] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] <... rmdir resumed>) = 0 [pid 5858] newfstatat(3, "", [pid 6194] write(1, "executing program\n", 18 [pid 6184] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6184] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] getdents64(3, executing program 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6194] <... write resumed>) = 18 [pid 5859] getdents64(3, [pid 6194] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] exit_group(0 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6194] <... futex resumed>) = 0 [pid 6193] <... futex resumed>) = ? [pid 6184] <... futex resumed>) = ? [pid 6182] <... exit_group resumed>) = ? [pid 5859] close(3 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6194] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6193] +++ exited with 0 +++ [pid 6184] +++ exited with 0 +++ [pid 5859] <... close resumed>) = 0 [pid 6194] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5859] rmdir("./21" [pid 6194] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6182] +++ exited with 0 +++ [pid 5859] <... rmdir resumed>) = 0 [pid 5858] newfstatat(AT_FDCWD, "./21/binderfs", [pid 6194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] mkdir("./22", 0777 [pid 5856] <... umount2 resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] <... mkdir resumed>) = 0 [pid 5858] unlink("./21/binderfs" [pid 5856] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6194] <... mmap resumed>) = 0x7f708f767000 [pid 5858] <... unlink resumed>) = 0 [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6182, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6194] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5858] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6194] <... mprotect resumed>) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5857] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6194] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] <... openat resumed>) = 3 [pid 5856] newfstatat(AT_FDCWD, "./21/file0", [pid 6194] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5857] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 229.873109][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 229.907524][ T6182] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5857] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6195 attached [pid 5859] ioctl(3, LOOP_CLR_FD [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6195] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6194] <... clone3 resumed> => {parent_tid=[6195]}, 88) = 6195 [pid 6195] <... rseq resumed>) = 0 [pid 6195] set_robust_list(0x7f708f7879a0, 24 [pid 6194] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... ioctl resumed>) = 0 [pid 5856] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6195] <... set_robust_list resumed>) = 0 [pid 6194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6195] rt_sigprocmask(SIG_SETMASK, [], [pid 6194] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] close(3 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6195] memfd_create("syzkaller", 0 [pid 6194] <... futex resumed>) = 0 [pid 5856] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6194] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6195] <... memfd_create resumed>) = 3 [pid 5857] unlink("./21/binderfs" [pid 5856] <... openat resumed>) = 4 [pid 6195] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5857] <... unlink resumed>) = 0 [pid 5856] newfstatat(4, "", [pid 6195] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5859] <... close resumed>) = 0 [pid 5857] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] close(4./strace-static-x86_64: Process 6196 attached [pid 6196] set_robust_list(0x55559362e6a0, 24) = 0 [pid 6196] chdir("./22") = 0 [pid 6196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6196 [pid 5856] <... close resumed>) = 0 [pid 5856] rmdir("./21/file0" [pid 6196] <... prctl resumed>) = 0 [pid 6196] setpgid(0, 0) = 0 [pid 6196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... rmdir resumed>) = 0 [ 229.936677][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6196] <... openat resumed>) = 3 [pid 5856] getdents64(3, [pid 6196] write(3, "1000", 4) = 4 [pid 6196] close(3) = 0 [pid 6196] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 executing program [pid 6196] write(1, "executing program\n", 18) = 18 [pid 6196] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6196] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6196] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6196] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6196] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5856] close(3) = 0 [pid 6196] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5856] rmdir("./21" [pid 6196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} => {parent_tid=[6197]}, 88) = 6197 [pid 6196] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] <... rmdir resumed>) = 0 [pid 5856] mkdir("./22", 0777./strace-static-x86_64: Process 6197 attached [pid 6196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6196] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6197] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6196] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5856] <... mkdir resumed>) = 0 [pid 6197] <... rseq resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6197] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6197] rt_sigprocmask(SIG_SETMASK, [], [pid 6195] <... write resumed>) = 1048576 [pid 5856] <... openat resumed>) = 3 [pid 6197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6197] memfd_create("syzkaller", 0 [pid 6195] munmap(0x7f7087200000, 138412032 [pid 5858] <... umount2 resumed>) = 0 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 6197] <... memfd_create resumed>) = 3 [pid 5856] <... ioctl resumed>) = 0 [pid 6197] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5856] close(3 [pid 6197] <... mmap resumed>) = 0x7f7087200000 [pid 5856] <... close resumed>) = 0 [pid 6197] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6195] <... munmap resumed>) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6198 attached [pid 6195] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5858] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6198] set_robust_list(0x55559362e6a0, 24 [pid 6195] <... openat resumed>) = 4 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6198] <... set_robust_list resumed>) = 0 [ 230.012410][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6198 [pid 6198] chdir("./22" [pid 6195] ioctl(4, LOOP_SET_FD, 3 [pid 6198] <... chdir resumed>) = 0 [pid 5858] newfstatat(AT_FDCWD, "./21/file0", [pid 6198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6198] setpgid(0, 0) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6198] <... openat resumed>) = 3 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6198] write(3, "1000", 4 [pid 5858] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6198] <... write resumed>) = 4 [pid 5858] <... openat resumed>) = 4 [pid 6198] close(3 [pid 5858] newfstatat(4, "", [pid 6198] <... close resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6198] symlink("/dev/binderfs", "./binderfs" [pid 5858] getdents64(4, [pid 6198] <... symlink resumed>) = 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 executing program [pid 6198] write(1, "executing program\n", 18 [pid 5858] getdents64(4, [pid 6198] <... write resumed>) = 18 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6198] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] close(4 [pid 6198] <... futex resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 6198] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5858] rmdir("./21/file0" [pid 6198] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6198] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6195] <... ioctl resumed>) = 0 [pid 5858] <... rmdir resumed>) = 0 [pid 6195] close(3 [pid 5858] getdents64(3, [pid 6198] <... mmap resumed>) = 0x7f708f767000 [pid 6195] <... close resumed>) = 0 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6195] close(4 [pid 6198] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6197] <... write resumed>) = 1048576 [pid 5858] close(3 [pid 5857] <... umount2 resumed>) = 0 [pid 6198] <... mprotect resumed>) = 0 [pid 6197] munmap(0x7f7087200000, 138412032 [pid 6195] <... close resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5857] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6198] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] rmdir("./21" [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6198] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6198] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5857] newfstatat(AT_FDCWD, "./21/file0", ./strace-static-x86_64: Process 6199 attached [pid 5858] <... rmdir resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6199] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6198] <... clone3 resumed> => {parent_tid=[6199]}, 88) = 6199 [pid 6199] <... rseq resumed>) = 0 [pid 6198] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6199] set_robust_list(0x7f708f7879a0, 24 [pid 6198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6197] <... munmap resumed>) = 0 [pid 6199] <... set_robust_list resumed>) = 0 [pid 6198] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] mkdir("./file0", 0777 [pid 5858] mkdir("./22", 0777 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6199] rt_sigprocmask(SIG_SETMASK, [], [pid 6198] <... futex resumed>) = 0 [pid 5857] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6198] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6197] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6199] memfd_create("syzkaller", 0 [pid 5857] <... openat resumed>) = 4 [pid 6199] <... memfd_create resumed>) = 3 [pid 6197] <... openat resumed>) = 4 [pid 6199] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5857] newfstatat(4, "", [pid 6199] <... mmap resumed>) = 0x7f7087200000 [pid 6195] <... mkdir resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 230.057070][ T6195] loop0: detected capacity change from 0 to 2048 [pid 6197] ioctl(4, LOOP_SET_FD, 3 [pid 6195] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 5858] <... mkdir resumed>) = 0 [pid 5857] getdents64(4, [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5858] <... openat resumed>) = 3 [pid 5857] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] close(4) = 0 [pid 5857] rmdir("./21/file0") = 0 [pid 5857] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 5857] rmdir("./21" [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5857] <... rmdir resumed>) = 0 [pid 6199] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6197] <... ioctl resumed>) = 0 [pid 5858] <... ioctl resumed>) = 0 [pid 5858] close(3 [pid 5857] mkdir("./22", 0777) = 0 [pid 6197] close(3) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6197] close(4 [pid 5858] <... close resumed>) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD) = 0 [pid 5857] close(3 [pid 6197] <... close resumed>) = 0 [pid 6197] mkdir("./file0", 0777) = 0 [pid 6197] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 5857] <... close resumed>) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6200 attached [pid 6200] set_robust_list(0x55559362e6a0, 24 [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6200 [pid 6199] <... write resumed>) = 1048576 [pid 6200] <... set_robust_list resumed>) = 0 [pid 6200] chdir("./22") = 0 [pid 6200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6200] setpgid(0, 0) = 0 [ 230.120609][ T6197] loop4: detected capacity change from 0 to 2048 [ 230.135622][ T6195] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 230.144414][ T6195] UDF-fs: Scanning with blocksize 512 failed [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6201 attached [pid 6199] munmap(0x7f7087200000, 138412032 [pid 6201] set_robust_list(0x55559362e6a0, 24) = 0 [pid 6201] chdir("./22") = 0 [pid 6201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6200] <... openat resumed>) = 3 [pid 6201] <... prctl resumed>) = 0 [pid 6200] write(3, "1000", 4 [pid 6201] setpgid(0, 0 [pid 6200] <... write resumed>) = 4 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6201 [pid 6201] <... setpgid resumed>) = 0 [pid 6200] close(3 [pid 6201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6199] <... munmap resumed>) = 0 [pid 6201] <... openat resumed>) = 3 [pid 6200] <... close resumed>) = 0 executing program [pid 6201] write(3, "1000", 4 [pid 6200] symlink("/dev/binderfs", "./binderfs" [pid 6201] <... write resumed>) = 4 [pid 6200] <... symlink resumed>) = 0 [pid 6201] close(3) = 0 [pid 6200] write(1, "executing program\n", 18) = 18 [pid 6201] symlink("/dev/binderfs", "./binderfs" [pid 6200] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... symlink resumed>) = 0 [pid 6200] <... futex resumed>) = 0 [pid 6199] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6200] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, executing program [pid 6201] write(1, "executing program\n", 18 [pid 6200] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6201] <... write resumed>) = 18 [pid 6200] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6201] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6201] <... futex resumed>) = 0 [pid 6200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6201] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6200] <... mmap resumed>) = 0x7f708f767000 [pid 6201] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6200] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6201] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6200] <... mprotect resumed>) = 0 [pid 6201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6200] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6201] <... mmap resumed>) = 0x7f708f767000 [pid 6201] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6200] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6201] <... mprotect resumed>) = 0 [pid 6200] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6202 attached [pid 6201] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6199] <... openat resumed>) = 4 [pid 6202] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6201] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6200] <... clone3 resumed> => {parent_tid=[6202]}, 88) = 6202 [pid 6199] ioctl(4, LOOP_SET_FD, 3 [pid 6202] <... rseq resumed>) = 0 [pid 6201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6199] <... ioctl resumed>) = 0 [pid 6195] <... mount resumed>) = 0 [pid 6200] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6202] set_robust_list(0x7f708f7879a0, 24 [pid 6200] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... set_robust_list resumed>) = 0 [pid 6200] <... futex resumed>) = 0 [pid 6202] rt_sigprocmask(SIG_SETMASK, [], [pid 6201] <... clone3 resumed> => {parent_tid=[6203]}, 88) = 6203 [pid 6200] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6203 attached [pid 6202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6201] rt_sigprocmask(SIG_SETMASK, [], [pid 6202] memfd_create("syzkaller", 0 [pid 6201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6202] <... memfd_create resumed>) = 3 [pid 6201] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6201] <... futex resumed>) = 0 [pid 6203] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6202] <... mmap resumed>) = 0x7f7087200000 [pid 6201] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6203] <... rseq resumed>) = 0 [pid 6195] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6203] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6203] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6203] memfd_create("syzkaller", 0 [pid 6195] <... openat resumed>) = 3 [pid 6203] <... memfd_create resumed>) = 3 [ 230.187538][ T6195] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 230.198658][ T6197] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 230.223825][ T6199] loop1: detected capacity change from 0 to 2048 [ 230.231893][ T6197] UDF-fs: Scanning with blocksize 512 failed [pid 6195] chdir("./file0" [pid 6203] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6199] close(3 [pid 6195] <... chdir resumed>) = 0 [pid 6203] <... mmap resumed>) = 0x7f7087200000 [pid 6199] <... close resumed>) = 0 [pid 6195] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6199] close(4 [pid 6195] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] <... close resumed>) = 0 [pid 6199] mkdir("./file0", 0777 [pid 6195] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6199] <... mkdir resumed>) = 0 [pid 6194] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6195] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6194] <... futex resumed>) = 0 [pid 6202] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6194] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] <... openat resumed>) = 4 [pid 6195] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6195] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6195] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6194] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6195] <... openat resumed>) = 5 [pid 6194] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6195] pwrite64(5, "2", 1, 134220897 [pid 6194] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6195] <... pwrite64 resumed>) = 1 [pid 6194] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] <... write resumed>) = 1048576 [pid 6195] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6195] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6194] <... futex resumed>) = 0 [pid 6194] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... futex resumed>) = 0 [pid 6194] <... futex resumed>) = 1 [pid 6195] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [ 230.268131][ T6197] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 230.292823][ T6199] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [pid 6194] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] <... write resumed>) = 1048576 [pid 6202] munmap(0x7f7087200000, 138412032 [pid 6197] <... mount resumed>) = 0 [pid 6202] <... munmap resumed>) = 0 [pid 6197] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6203] munmap(0x7f7087200000, 138412032 [pid 6197] chdir("./file0" [pid 6203] <... munmap resumed>) = 0 [pid 6202] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6197] <... chdir resumed>) = 0 [pid 6197] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6202] <... openat resumed>) = 4 [pid 6197] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6196] <... futex resumed>) = 0 [pid 6196] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6197] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6196] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] ioctl(4, LOOP_SET_FD, 3 [pid 6203] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6203] ioctl(4, LOOP_SET_FD, 3 [pid 6197] <... openat resumed>) = 4 [pid 6202] <... ioctl resumed>) = 0 [pid 6203] <... ioctl resumed>) = 0 [pid 6197] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6197] <... futex resumed>) = 1 [pid 6196] <... futex resumed>) = 0 [pid 6202] close(3 [pid 6194] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... close resumed>) = 0 [pid 6197] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6196] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] <... futex resumed>) = 0 [pid 6203] close(3 [pid 6202] close(4 [pid 6197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6196] <... futex resumed>) = 0 [pid 6194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6203] <... close resumed>) = 0 [pid 6202] <... close resumed>) = 0 [pid 6199] <... mount resumed>) = 0 [pid 6197] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6196] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] close(4 [pid 6202] mkdir("./file0", 0777 [pid 6199] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6197] <... openat resumed>) = 5 [pid 6194] <... mmap resumed>) = 0x7f708f746000 [pid 6203] <... close resumed>) = 0 [pid 6202] <... mkdir resumed>) = 0 [pid 6199] <... openat resumed>) = 3 [pid 6197] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6203] mkdir("./file0", 0777 [pid 6202] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6199] chdir("./file0" [pid 6197] <... futex resumed>) = 1 [pid 6196] <... futex resumed>) = 0 [pid 6194] <... mprotect resumed>) = 0 [ 230.313013][ T6199] UDF-fs: Scanning with blocksize 512 failed [ 230.331846][ T6202] loop2: detected capacity change from 0 to 2048 [ 230.340750][ T6203] loop3: detected capacity change from 0 to 2048 [ 230.345643][ T6199] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6203] <... mkdir resumed>) = 0 [pid 6199] <... chdir resumed>) = 0 [pid 6197] pwrite64(5, "2", 1, 134220897 [pid 6196] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6195] <... write resumed>) = 843776 [pid 6199] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6196] <... futex resumed>) = 0 [pid 6197] <... pwrite64 resumed>) = 1 [pid 6196] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6197] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6199] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6197] <... futex resumed>) = 0 [pid 6196] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6195] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... futex resumed>) = 0 [pid 6203] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6194] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6196] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6194] <... clone3 resumed> => {parent_tid=[6204]}, 88) = 6204 [pid 6194] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6194] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6204 attached ) = 0 [pid 6194] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6204] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6204] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6204] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6204] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6204] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6194] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6194] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6199] <... futex resumed>) = 1 [pid 6198] <... futex resumed>) = 0 [pid 6195] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6194] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=41000000} [pid 6198] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] fdatasync(6 [pid 6204] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6199] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6198] <... futex resumed>) = 0 [pid 6195] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6198] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6195] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6194] exit_group(0 [pid 6204] <... futex resumed>) = ? [pid 6195] <... futex resumed>) = ? [pid 6194] <... exit_group resumed>) = ? [pid 6204] +++ exited with 0 +++ [pid 6195] +++ exited with 0 +++ [ 230.380669][ T6202] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 230.400350][ T6203] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 230.411333][ T6202] UDF-fs: Scanning with blocksize 512 failed [ 230.420335][ T6203] UDF-fs: Scanning with blocksize 512 failed [pid 6199] <... openat resumed>) = 4 [pid 6199] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6198] <... futex resumed>) = 0 [pid 6199] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6198] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6198] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6199] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 6196] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6194] +++ exited with 0 +++ [pid 6199] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] <... futex resumed>) = 1 [pid 6198] <... futex resumed>) = 0 [pid 6196] <... futex resumed>) = 0 [pid 6199] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6198] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6198] <... futex resumed>) = 0 [pid 6196] <... mmap resumed>) = 0x7f708f746000 [pid 6199] pwrite64(5, "2", 1, 134220897 [pid 6198] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6196] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6194, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6199] <... pwrite64 resumed>) = 1 [pid 6196] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6205 attached [pid 6199] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... clone3 resumed> => {parent_tid=[6205]}, 88) = 6205 [pid 6205] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 5855] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6205] set_robust_list(0x7f708f7669a0, 24 [pid 6196] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6196] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6196] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6205] <... set_robust_list resumed>) = 0 [pid 6199] <... futex resumed>) = 1 [pid 6198] <... futex resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 6202] <... mount resumed>) = 0 [pid 5855] newfstatat(3, "", [pid 6202] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6205] rt_sigprocmask(SIG_SETMASK, [], [pid 6198] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6199] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6198] <... futex resumed>) = 0 [pid 6205] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6203] <... mount resumed>) = 0 [pid 6202] <... openat resumed>) = 3 [pid 6198] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6203] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6202] chdir("./file0" [pid 5855] getdents64(3, [pid 6202] <... chdir resumed>) = 0 [pid 6205] <... openat resumed>) = 6 [pid 6203] <... openat resumed>) = 3 [pid 6202] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6205] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6202] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6196] <... futex resumed>) = 0 [pid 6202] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... futex resumed>) = 1 [pid 6200] <... futex resumed>) = 0 [pid 6196] <... futex resumed>) = 0 [pid 5855] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6205] fdatasync(6 [pid 6203] chdir("./file0" [pid 6202] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6200] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] <... fdatasync resumed>) = 0 [pid 6205] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6196] <... futex resumed>) = 0 [pid 6202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6200] <... futex resumed>) = 0 [pid 6205] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6203] <... chdir resumed>) = 0 [pid 6202] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6200] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6202] <... openat resumed>) = 4 [ 230.422877][ T6194] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 230.446565][ T6202] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 230.467497][ T6203] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5855] newfstatat(AT_FDCWD, "./22/binderfs", [pid 6203] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6202] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./22/binderfs" [pid 6202] <... futex resumed>) = 1 [pid 6200] <... futex resumed>) = 0 [pid 6202] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6200] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6200] <... futex resumed>) = 0 [pid 5855] <... unlink resumed>) = 0 [pid 6202] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6200] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] <... openat resumed>) = 5 [pid 6203] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6202] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6202] <... futex resumed>) = 1 [pid 6200] <... futex resumed>) = 0 [pid 6203] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] pwrite64(5, "2", 1, 134220897 [pid 6200] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6202] <... pwrite64 resumed>) = 1 [pid 6200] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] <... futex resumed>) = 1 [pid 6201] <... futex resumed>) = 0 [pid 6203] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6201] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6201] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... openat resumed>) = 4 [pid 6202] <... futex resumed>) = 1 [pid 6200] <... futex resumed>) = 0 [pid 6200] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6200] <... futex resumed>) = 0 [pid 6200] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6203] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] <... write resumed>) = 843776 [pid 6201] <... futex resumed>) = 0 [pid 6201] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... futex resumed>) = 0 [pid 6201] <... futex resumed>) = 1 [pid 6197] <... futex resumed>) = 0 [pid 6196] exit_group(0 [pid 6205] <... futex resumed>) = ? [pid 6203] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6201] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6196] <... exit_group resumed>) = ? [pid 6205] +++ exited with 0 +++ [pid 6203] <... openat resumed>) = 5 [pid 6198] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6198] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6203] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6203] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] <... futex resumed>) = 0 [pid 6198] <... mmap resumed>) = 0x7f708f746000 [pid 6198] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6201] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6201] <... futex resumed>) = 1 [pid 6201] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6198] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6198] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6206]}, 88) = 6206 [pid 6198] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6198] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6198] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6206 attached [pid 6206] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6206] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6206] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6206] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6206] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... futex resumed>) = 0 [pid 6197] +++ exited with 0 +++ [pid 6196] +++ exited with 0 +++ [pid 6206] <... futex resumed>) = 1 [pid 6198] <... futex resumed>) = 0 [pid 6206] fdatasync(6 [pid 6203] pwrite64(5, "2", 1, 134220897 [pid 6198] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6196, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 6200] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6198] <... futex resumed>) = 0 [pid 6203] <... pwrite64 resumed>) = 1 [pid 6200] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... futex resumed>) = 0 [pid 5859] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6206] <... fdatasync resumed>) = 0 [pid 6203] <... futex resumed>) = 1 [pid 6201] <... futex resumed>) = 0 [pid 6200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6206] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6206] <... futex resumed>) = 1 [pid 6198] <... futex resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5859] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] getdents64(3, [pid 6206] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] unlink("./22/binderfs") = 0 [pid 5859] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6203] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6201] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... mmap resumed>) = 0x7f708f746000 [pid 6201] <... futex resumed>) = 0 [pid 6200] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6201] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6200] <... mprotect resumed>) = 0 [pid 6200] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 230.537755][ T6197] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 230.566427][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6200] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6207 attached [pid 6207] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6200] <... clone3 resumed> => {parent_tid=[6207]}, 88) = 6207 [pid 6200] rt_sigprocmask(SIG_SETMASK, [], [pid 6207] <... rseq resumed>) = 0 [pid 6202] <... write resumed>) = 843776 [pid 6200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6199] <... write resumed>) = 843776 [pid 6207] set_robust_list(0x7f708f7669a0, 24 [pid 6202] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6200] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... umount2 resumed>) = 0 [pid 6207] <... set_robust_list resumed>) = 0 [pid 6201] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... futex resumed>) = 0 [pid 6200] <... futex resumed>) = 0 [pid 6199] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6202] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] <... futex resumed>) = 0 [pid 6200] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6199] <... futex resumed>) = 0 [pid 6201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6199] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6201] <... mmap resumed>) = 0x7f708f746000 [pid 6207] rt_sigprocmask(SIG_SETMASK, [], [pid 6201] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6198] exit_group(0 [pid 6207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6206] <... futex resumed>) = ? [pid 6203] <... write resumed>) = 843776 [pid 6199] <... futex resumed>) = ? [pid 6198] <... exit_group resumed>) = ? [pid 5859] <... umount2 resumed>) = 0 [pid 6201] <... mprotect resumed>) = 0 [pid 5855] newfstatat(AT_FDCWD, "./22/file0", [pid 6207] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6206] +++ exited with 0 +++ [pid 6203] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [ 230.622095][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6201] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6199] +++ exited with 0 +++ [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6207] <... openat resumed>) = 6 [pid 6203] <... futex resumed>) = 0 [pid 6201] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6207] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6207] <... futex resumed>) = 1 [pid 6200] <... futex resumed>) = 0 [pid 5855] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6207] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] <... clone3 resumed> => {parent_tid=[6208]}, 88) = 6208 [pid 6200] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... openat resumed>) = 4 [pid 6202] <... futex resumed>) = 0 [pid 6201] rt_sigprocmask(SIG_SETMASK, [], [pid 6200] <... futex resumed>) = 1 [pid 5855] newfstatat(4, "", [pid 6202] fdatasync(6 [pid 6201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6200] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6202] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6201] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] getdents64(4, [pid 6202] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... futex resumed>) = 0 [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6202] <... futex resumed>) = 1 [pid 6201] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6200] <... futex resumed>) = 0 [pid 5855] getdents64(4, [pid 6202] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6200] exit_group(0 [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6207] <... futex resumed>) = ? [pid 6202] <... futex resumed>) = ? [pid 6200] <... exit_group resumed>) = ? [pid 5855] close(4./strace-static-x86_64: Process 6208 attached [pid 6207] +++ exited with 0 +++ [pid 6202] +++ exited with 0 +++ [pid 5859] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... close resumed>) = 0 [pid 5855] rmdir("./22/file0" [pid 6200] +++ exited with 0 +++ [pid 5855] <... rmdir resumed>) = 0 [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6200, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5857] restart_syscall(<... resuming interrupted clone ...> [pid 5855] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 5855] rmdir("./22" [pid 6208] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6198] +++ exited with 0 +++ [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... restart_syscall resumed>) = 0 [pid 6208] <... rseq resumed>) = 0 [pid 5859] newfstatat(AT_FDCWD, "./22/file0", [pid 5855] <... rmdir resumed>) = 0 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6198, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 6208] set_robust_list(0x7f708f7669a0, 24 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6208] <... set_robust_list resumed>) = 0 [pid 5855] mkdir("./23", 0777 [pid 6208] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... openat resumed>) = 4 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... mkdir resumed>) = 0 [pid 6208] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5859] newfstatat(4, "", [pid 5857] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6208] <... openat resumed>) = 6 [pid 5859] getdents64(4, [pid 6208] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] <... openat resumed>) = 3 [pid 5855] <... openat resumed>) = 3 [pid 6208] <... futex resumed>) = 1 [pid 6201] <... futex resumed>) = 0 [pid 5859] getdents64(4, [pid 5857] newfstatat(3, "", [pid 5855] ioctl(3, LOOP_CLR_FD [pid 6208] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... ioctl resumed>) = 0 [pid 6203] <... futex resumed>) = 0 [pid 6201] <... futex resumed>) = 1 [pid 5855] close(3 [pid 6203] fdatasync(6 [pid 6201] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5857] getdents64(3, [pid 6203] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] close(4 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] <... close resumed>) = 0 [pid 6203] <... futex resumed>) = 1 [pid 6201] <... futex resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5857] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6203] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] exit_group(0 [pid 5859] rmdir("./22/file0" [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6208] <... futex resumed>) = ? [ 230.675851][ T6198] UDF-fs: warning (device loop1): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 230.690238][ T6200] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 230.696184][ T6198] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6203] <... futex resumed>) = ? [pid 6201] <... exit_group resumed>) = ? [pid 5857] newfstatat(AT_FDCWD, "./22/binderfs", ./strace-static-x86_64: Process 6209 attached [pid 6208] +++ exited with 0 +++ [pid 6203] +++ exited with 0 +++ [pid 5859] <... rmdir resumed>) = 0 [pid 5856] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] getdents64(3, [pid 6209] set_robust_list(0x55559362e6a0, 24 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6209] <... set_robust_list resumed>) = 0 [pid 5859] close(3) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] rmdir("./22" [pid 5857] unlink("./22/binderfs" [pid 5859] <... rmdir resumed>) = 0 [pid 5857] <... unlink resumed>) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] mkdir("./23", 0777 [pid 6209] chdir("./23" [pid 5857] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6209] <... chdir resumed>) = 0 [pid 6201] +++ exited with 0 +++ [pid 5859] <... mkdir resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6201, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5856] newfstatat(3, "", [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6209 [pid 5856] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./22/binderfs" [pid 5858] <... restart_syscall resumed>) = 0 [pid 6209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] <... unlink resumed>) = 0 [pid 5858] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] newfstatat(3, "", [pid 6209] <... prctl resumed>) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6209] setpgid(0, 0 [pid 5859] <... openat resumed>) = 3 [pid 6209] <... setpgid resumed>) = 0 [pid 5859] ioctl(3, LOOP_CLR_FD [pid 6209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... ioctl resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] close(3 [pid 5858] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./22/binderfs") = 0 [pid 5858] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6209] <... openat resumed>) = 3 [pid 5859] <... close resumed>) = 0 [ 230.739761][ T6201] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6209] write(3, "1000", 4) = 4 [ 230.802535][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 230.814721][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. executing program [pid 6209] close(3 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6209] <... close resumed>) = 0 [pid 6209] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6210 [pid 6209] write(1, "executing program\n", 18) = 18 [pid 6209] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6209] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6209] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6210 attached ) = 0x7f708f767000 [pid 5857] <... umount2 resumed>) = 0 [pid 6209] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5857] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6209] <... mprotect resumed>) = 0 [pid 5857] newfstatat(AT_FDCWD, "./22/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6210] set_robust_list(0x55559362e6a0, 24 [pid 6209] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... umount2 resumed>) = 0 [pid 5856] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./22/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5856] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] getdents64(4, [pid 6210] <... set_robust_list resumed>) = 0 [pid 6209] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5857] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] close(4) = 0 [pid 5856] rmdir("./22/file0" [pid 5857] <... openat resumed>) = 4 [pid 5856] <... rmdir resumed>) = 0 [pid 6209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5856] getdents64(3, [pid 6210] chdir("./23" [pid 5857] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6209] <... clone3 resumed> => {parent_tid=[6211]}, 88) = 6211 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6210] <... chdir resumed>) = 0 [pid 5857] getdents64(4, [pid 6210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] close(3 [pid 6210] <... prctl resumed>) = 0 [pid 6209] rt_sigprocmask(SIG_SETMASK, [], [pid 6210] setpgid(0, 0 [pid 6209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... close resumed>) = 0 [pid 6210] <... setpgid resumed>) = 0 [pid 6209] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] getdents64(4, [pid 5856] rmdir("./22" [pid 6210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6209] <... futex resumed>) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6209] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5857] close(4./strace-static-x86_64: Process 6211 attached [pid 5856] <... rmdir resumed>) = 0 [pid 5856] mkdir("./23", 0777 [pid 5857] <... close resumed>) = 0 [pid 5856] <... mkdir resumed>) = 0 [pid 6211] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6210] <... openat resumed>) = 3 [pid 5857] rmdir("./22/file0" [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6211] <... rseq resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 6211] set_robust_list(0x7f708f7879a0, 24 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 6211] <... set_robust_list resumed>) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 5856] <... ioctl resumed>) = 0 [pid 6211] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] close(3 [pid 6211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6210] write(3, "1000", 4 [pid 5857] getdents64(3, [pid 5856] <... close resumed>) = 0 [pid 6211] memfd_create("syzkaller", 0 [pid 6210] <... write resumed>) = 4 [pid 5858] <... umount2 resumed>) = 0 executing program [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6211] <... memfd_create resumed>) = 3 [pid 6210] close(3) = 0 [pid 5857] close(3 [pid 6211] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6210] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5857] <... close resumed>) = 0 [ 230.856364][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6210] write(1, "executing program\n", 18 [pid 5857] rmdir("./22" [pid 6210] <... write resumed>) = 18 [pid 5857] <... rmdir resumed>) = 0 [pid 6210] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] mkdir("./23", 0777 [pid 6210] <... futex resumed>) = 0 [pid 5857] <... mkdir resumed>) = 0 [pid 6210] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6210] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5858] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... openat resumed>) = 3 [pid 6210] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] ioctl(3, LOOP_CLR_FD [pid 6210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] newfstatat(AT_FDCWD, "./22/file0", [pid 6210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... ioctl resumed>) = 0 [pid 6210] <... mmap resumed>) = 0x7f708f767000 [pid 5858] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] close(3 [pid 6211] <... mmap resumed>) = 0x7f7087200000 [pid 6210] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... close resumed>) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6210] <... mprotect resumed>) = 0 [pid 5858] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6212 attached ) = 4 [pid 5858] newfstatat(4, "", [pid 6212] set_robust_list(0x55559362e6a0, 24 [pid 6210] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6212 [pid 6212] <... set_robust_list resumed>) = 0 [pid 6210] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5858] getdents64(4, [pid 6212] chdir("./23" [pid 6210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(4, [pid 6210] <... clone3 resumed> => {parent_tid=[6213]}, 88) = 6213 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6210] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] close(4 [pid 6210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... close resumed>) = 0 ./strace-static-x86_64: Process 6213 attached [pid 6212] <... chdir resumed>) = 0 [pid 6210] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] rmdir("./22/file0" [pid 6212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6213] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6212] <... prctl resumed>) = 0 [pid 6213] <... rseq resumed>) = 0 [pid 6212] setpgid(0, 0 [pid 6210] <... futex resumed>) = 0 [pid 5858] <... rmdir resumed>) = 0 [pid 6213] set_robust_list(0x7f708f7879a0, 24 [pid 6210] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5858] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5858] rmdir("./22" [pid 6213] <... set_robust_list resumed>) = 0 [pid 6212] <... setpgid resumed>) = 0 [pid 5858] <... rmdir resumed>) = 0 [pid 6213] rt_sigprocmask(SIG_SETMASK, [], [pid 6212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] mkdir("./23", 0777 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6213] memfd_create("syzkaller", 0) = 3 [pid 6212] <... openat resumed>) = 3 [pid 6211] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5858] <... mkdir resumed>) = 0 [pid 6213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6212] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 6214 attached [pid 6213] <... mmap resumed>) = 0x7f7087200000 [pid 6212] close(3 [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6214] set_robust_list(0x55559362e6a0, 24 [pid 6212] <... close resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD) = 0 [pid 6214] <... set_robust_list resumed>) = 0 [pid 5858] close(3 [pid 6214] chdir("./23" [pid 6212] symlink("/dev/binderfs", "./binderfs" [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6214 [pid 6214] <... chdir resumed>) = 0 [pid 6214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6214] setpgid(0, 0) = 0 [pid 6214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6212] <... symlink resumed>) = 0 [pid 6214] <... openat resumed>) = 3 [pid 6214] write(3, "1000", 4) = 4 [pid 6214] close(3executing program ) = 0 [pid 6212] write(1, "executing program\n", 18) = 18 [pid 6214] symlink("/dev/binderfs", "./binderfs" [pid 6213] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6211] <... write resumed>) = 1048576 [pid 6212] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... symlink resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 6212] <... futex resumed>) = 0 [pid 6211] munmap(0x7f7087200000, 138412032 [pid 6212] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6211] <... munmap resumed>) = 0 [pid 6212] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6211] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ./strace-static-x86_64: Process 6215 attached [pid 6212] <... mmap resumed>) = 0x7f708f767000 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6215 [pid 6212] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITEexecuting program ) = 0 [pid 6211] ioctl(4, LOOP_SET_FD, 3 [pid 6215] set_robust_list(0x55559362e6a0, 24 [pid 6214] write(1, "executing program\n", 18 [pid 6212] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6212] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6214] <... write resumed>) = 18 ./strace-static-x86_64: Process 6216 attached [pid 6212] <... clone3 resumed> => {parent_tid=[6216]}, 88) = 6216 [pid 6215] <... set_robust_list resumed>) = 0 [pid 6214] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6214] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6212] rt_sigprocmask(SIG_SETMASK, [], [pid 6215] chdir("./23" [pid 6216] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6215] <... chdir resumed>) = 0 [pid 6212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6216] <... rseq resumed>) = 0 [pid 6215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6216] set_robust_list(0x7f708f7879a0, 24 [pid 6212] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] <... set_robust_list resumed>) = 0 [pid 6215] <... prctl resumed>) = 0 [pid 6212] <... futex resumed>) = 0 [pid 6216] rt_sigprocmask(SIG_SETMASK, [], [pid 6212] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6214] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6216] memfd_create("syzkaller", 0 [pid 6215] setpgid(0, 0 [pid 6214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6216] <... memfd_create resumed>) = 3 [pid 6214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6216] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6214] <... mmap resumed>) = 0x7f708f767000 [pid 6216] <... mmap resumed>) = 0x7f7087200000 [pid 6214] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6215] <... setpgid resumed>) = 0 [pid 6214] <... mprotect resumed>) = 0 [pid 6215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6214] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6215] <... openat resumed>) = 3 [pid 6214] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6213] <... write resumed>) = 1048576 [pid 6214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6217 attached [pid 6215] write(3, "1000", 4 [pid 6217] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6215] <... write resumed>) = 4 [pid 6214] <... clone3 resumed> => {parent_tid=[6217]}, 88) = 6217 [pid 6211] <... ioctl resumed>) = 0 [pid 6217] <... rseq resumed>) = 0 [pid 6215] close(3 [pid 6214] rt_sigprocmask(SIG_SETMASK, [], [pid 6211] close(3 [pid 6217] set_robust_list(0x7f708f7879a0, 24 [pid 6215] <... close resumed>) = 0 [pid 6214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6213] munmap(0x7f7087200000, 138412032 [pid 6211] <... close resumed>) = 0 [pid 6217] <... set_robust_list resumed>) = 0 [pid 6215] symlink("/dev/binderfs", "./binderfs" [pid 6214] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] <... munmap resumed>) = 0 [pid 6211] close(4 [pid 6217] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 6215] <... symlink resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6215] write(1, "executing program\n", 18 [pid 6214] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6211] <... close resumed>) = 0 [pid 6217] memfd_create("syzkaller", 0 [pid 6215] <... write resumed>) = 18 [pid 6211] mkdir("./file0", 0777 [pid 6217] <... memfd_create resumed>) = 3 [pid 6215] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6211] <... mkdir resumed>) = 0 [pid 6217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6215] <... futex resumed>) = 0 [pid 6213] <... openat resumed>) = 4 [pid 6217] <... mmap resumed>) = 0x7f7087200000 [pid 6215] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6213] ioctl(4, LOOP_SET_FD, 3 [pid 6211] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6215] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6215] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6216] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6215] <... mmap resumed>) = 0x7f708f767000 [pid 6215] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [ 230.987353][ T6211] loop0: detected capacity change from 0 to 2048 [pid 6215] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6217] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6215] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6218 attached [pid 6218] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6215] <... clone3 resumed> => {parent_tid=[6218]}, 88) = 6218 [pid 6215] rt_sigprocmask(SIG_SETMASK, [], [pid 6218] <... rseq resumed>) = 0 [pid 6218] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6216] <... write resumed>) = 1048576 [pid 6218] rt_sigprocmask(SIG_SETMASK, [], [pid 6213] <... ioctl resumed>) = 0 [pid 6218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6216] munmap(0x7f7087200000, 138412032 [pid 6215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6215] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] memfd_create("syzkaller", 0 [pid 6215] <... futex resumed>) = 0 [pid 6213] close(3 [pid 6218] <... memfd_create resumed>) = 3 [pid 6215] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6213] <... close resumed>) = 0 [pid 6213] close(4 [pid 6218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6213] <... close resumed>) = 0 [pid 6213] mkdir("./file0", 0777) = 0 [ 231.033850][ T6211] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 231.046939][ T6213] loop4: detected capacity change from 0 to 2048 [ 231.061859][ T6211] UDF-fs: Scanning with blocksize 512 failed [pid 6213] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6217] <... write resumed>) = 1048576 [pid 6218] <... mmap resumed>) = 0x7f7087200000 [pid 6216] <... munmap resumed>) = 0 [pid 6217] munmap(0x7f7087200000, 138412032) = 0 [pid 6217] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6217] ioctl(4, LOOP_SET_FD, 3 [ 231.079784][ T6213] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 231.093809][ T6211] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 231.097973][ T6213] UDF-fs: Scanning with blocksize 512 failed [ 231.110148][ T6217] loop2: detected capacity change from 0 to 2048 [ 231.125237][ T6213] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6216] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6218] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6217] <... ioctl resumed>) = 0 [pid 6216] <... openat resumed>) = 4 [pid 6211] <... mount resumed>) = 0 [pid 6211] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6211] chdir("./file0" [pid 6217] close(3 [pid 6211] <... chdir resumed>) = 0 [pid 6217] <... close resumed>) = 0 [pid 6211] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6217] close(4 [pid 6211] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6217] <... close resumed>) = 0 [pid 6211] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] mkdir("./file0", 0777 [pid 6211] <... futex resumed>) = 1 [pid 6209] <... futex resumed>) = 0 [pid 6217] <... mkdir resumed>) = 0 [pid 6211] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] ioctl(4, LOOP_SET_FD, 3 [pid 6211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6217] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6211] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6209] <... futex resumed>) = 0 [pid 6218] <... write resumed>) = 1048576 [pid 6216] <... ioctl resumed>) = 0 [pid 6211] <... openat resumed>) = 4 [pid 6209] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] munmap(0x7f7087200000, 138412032 [pid 6216] close(3 [pid 6213] <... mount resumed>) = 0 [pid 6211] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6216] <... close resumed>) = 0 [pid 6213] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6209] <... futex resumed>) = 0 [pid 6209] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] close(4 [pid 6213] <... openat resumed>) = 3 [pid 6209] <... futex resumed>) = 0 [pid 6218] <... munmap resumed>) = 0 [pid 6213] chdir("./file0" [pid 6209] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6216] <... close resumed>) = 0 [pid 6213] <... chdir resumed>) = 0 [pid 6211] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6216] mkdir("./file0", 0777 [pid 6218] <... openat resumed>) = 4 [pid 6213] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6211] <... openat resumed>) = 5 [pid 6213] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] <... mkdir resumed>) = 0 [pid 6213] <... futex resumed>) = 1 [pid 6211] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... futex resumed>) = 0 [pid 6216] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6213] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6211] <... futex resumed>) = 1 [pid 6210] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... futex resumed>) = 0 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6211] pwrite64(5, "2", 1, 134220897 [pid 6210] <... futex resumed>) = 0 [pid 6209] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] ioctl(4, LOOP_SET_FD, 3 [pid 6213] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6211] <... pwrite64 resumed>) = 1 [pid 6210] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] <... futex resumed>) = 0 [pid 6211] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6211] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6211] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6209] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] <... openat resumed>) = 4 [pid 6213] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... futex resumed>) = 0 [pid 6209] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] <... ioctl resumed>) = 0 [pid 6213] <... futex resumed>) = 1 [pid 6210] <... futex resumed>) = 0 [pid 6210] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6210] <... futex resumed>) = 0 [pid 6213] <... openat resumed>) = 5 [pid 6210] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] close(3 [pid 6213] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... close resumed>) = 0 [pid 6213] <... futex resumed>) = 1 [pid 6210] <... futex resumed>) = 0 [pid 6210] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] close(4 [pid 6213] pwrite64(5, "2", 1, 134220897 [pid 6210] <... futex resumed>) = 0 [pid 6218] <... close resumed>) = 0 [pid 6210] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] mkdir("./file0", 0777 [pid 6213] <... pwrite64 resumed>) = 1 [ 231.139845][ T6216] loop1: detected capacity change from 0 to 2048 [ 231.157463][ T6217] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 231.171585][ T6218] loop3: detected capacity change from 0 to 2048 [ 231.180427][ T6217] UDF-fs: Scanning with blocksize 512 failed [pid 6218] <... mkdir resumed>) = 0 [pid 6213] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6210] <... futex resumed>) = 0 [pid 6213] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6210] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6210] <... futex resumed>) = 0 [pid 6210] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6209] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6218] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6209] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6209] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6219]}, 88) = 6219 [pid 6209] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6219 attached [pid 6209] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6209] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6217] <... mount resumed>) = 0 [pid 6217] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6217] chdir("./file0") = 0 [pid 6217] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6219] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6217] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6217] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6214] <... futex resumed>) = 0 [pid 6217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] set_robust_list(0x7f708f7669a0, 24 [pid 6214] <... futex resumed>) = 0 [pid 6219] <... set_robust_list resumed>) = 0 [pid 6217] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6214] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6219] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6219] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6217] <... openat resumed>) = 4 [pid 6219] <... openat resumed>) = 6 [pid 6217] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6214] <... futex resumed>) = 0 [pid 6219] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6214] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = 1 [pid 6217] <... openat resumed>) = 5 [pid 6214] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = 0 [pid 6217] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] <... futex resumed>) = 0 [pid 6214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6209] <... futex resumed>) = 0 [pid 6217] pwrite64(5, "2", 1, 134220897 [pid 6214] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6217] <... pwrite64 resumed>) = 1 [pid 6214] <... futex resumed>) = 0 [ 231.218477][ T6217] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 231.230637][ T6216] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [pid 6219] fdatasync(6 [pid 6214] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6217] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6219] <... fdatasync resumed>) = 0 [pid 6217] <... futex resumed>) = 0 [pid 6214] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6214] <... futex resumed>) = 0 [pid 6219] <... futex resumed>) = 1 [pid 6210] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6209] <... futex resumed>) = 0 [pid 6219] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6214] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6211] <... write resumed>) = 843776 [pid 6210] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6210] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6210] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6211] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6211] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] exit_group(0 [pid 6219] <... futex resumed>) = ? [pid 6209] <... exit_group resumed>) = ? [pid 6219] +++ exited with 0 +++ [pid 6210] <... clone3 resumed> => {parent_tid=[6220]}, 88) = 6220 ./strace-static-x86_64: Process 6220 attached [pid 6211] <... futex resumed>) = ? [pid 6210] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6220] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6210] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] set_robust_list(0x7f708f7669a0, 24 [pid 6210] <... futex resumed>) = 0 [ 231.265259][ T6216] UDF-fs: Scanning with blocksize 512 failed [ 231.288606][ T6218] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 231.308943][ T6218] UDF-fs: Scanning with blocksize 512 failed [pid 6220] <... set_robust_list resumed>) = 0 [pid 6210] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6220] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6213] <... write resumed>) = 843776 [pid 6214] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6220] <... openat resumed>) = 6 [pid 6214] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] <... futex resumed>) = 1 [pid 6213] <... futex resumed>) = 0 [pid 6210] <... futex resumed>) = 0 [pid 6220] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6213] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6210] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] <... futex resumed>) = 0 [pid 6213] fdatasync(6 [pid 6210] <... futex resumed>) = 0 [pid 6216] <... mount resumed>) = 0 [pid 6213] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6210] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6213] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 231.321592][ T6216] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 231.324952][ T6211] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6216] <... openat resumed>) = 3 [pid 6214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6213] <... futex resumed>) = 0 [pid 6210] exit_group(0 [pid 6216] chdir("./file0" [pid 6210] <... exit_group resumed>) = ? [pid 6220] <... futex resumed>) = ? [pid 6216] <... chdir resumed>) = 0 [pid 6220] +++ exited with 0 +++ [pid 6214] <... mmap resumed>) = 0x7f708f746000 [pid 6214] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6214] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6221]}, 88) = 6221 [pid 6214] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6214] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6214] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6221 attached [pid 6211] +++ exited with 0 +++ [pid 6209] +++ exited with 0 +++ [pid 6221] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6209, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 6221] <... rseq resumed>) = 0 [pid 6221] set_robust_list(0x7f708f7669a0, 24 [pid 6216] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6216] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... restart_syscall resumed>) = 0 [pid 6216] <... futex resumed>) = 1 [pid 5855] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6221] <... set_robust_list resumed>) = 0 [pid 6216] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6221] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] <... openat resumed>) = 3 [pid 6221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6212] <... futex resumed>) = 0 [pid 6221] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5855] newfstatat(3, "", [pid 6212] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... openat resumed>) = 6 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6216] <... futex resumed>) = 0 [pid 6212] <... futex resumed>) = 1 [pid 6216] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5855] getdents64(3, [pid 6212] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6221] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6221] <... futex resumed>) = 1 [pid 6214] <... futex resumed>) = 0 [pid 6214] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] fdatasync(6 [pid 6214] <... futex resumed>) = 0 [pid 5855] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6214] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] <... openat resumed>) = 4 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6216] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... fdatasync resumed>) = 0 [pid 5855] newfstatat(AT_FDCWD, "./23/binderfs", [pid 6221] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... mount resumed>) = 0 [pid 6216] <... futex resumed>) = 1 [pid 6212] <... futex resumed>) = 0 [pid 6221] <... futex resumed>) = 1 [pid 6218] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6216] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6214] <... futex resumed>) = 0 [pid 6212] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6221] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6218] <... openat resumed>) = 3 [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6212] <... futex resumed>) = 0 [pid 5855] unlink("./23/binderfs" [pid 6218] chdir("./file0" [pid 6216] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6213] +++ exited with 0 +++ [pid 6212] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6210] +++ exited with 0 +++ [pid 6218] <... chdir resumed>) = 0 [pid 6216] <... openat resumed>) = 5 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6210, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5855] <... unlink resumed>) = 0 [pid 6218] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6216] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] restart_syscall(<... resuming interrupted clone ...> [pid 5855] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6218] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6216] <... futex resumed>) = 1 [pid 6212] <... futex resumed>) = 0 [pid 5859] <... restart_syscall resumed>) = 0 [pid 6218] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] <... write resumed>) = 843776 [pid 6216] pwrite64(5, "2", 1, 134220897 [pid 6212] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... futex resumed>) = 1 [pid 6217] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] <... pwrite64 resumed>) = 1 [pid 6215] <... futex resumed>) = 0 [pid 6212] <... futex resumed>) = 0 [pid 6218] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6217] <... futex resumed>) = 0 [pid 6216] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6217] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6216] <... futex resumed>) = 0 [pid 6215] <... futex resumed>) = 0 [pid 6212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6218] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6216] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6212] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] exit_group(0 [pid 6212] <... futex resumed>) = 0 [pid 5859] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6221] <... futex resumed>) = ? [pid 6218] <... openat resumed>) = 4 [pid 6217] <... futex resumed>) = ? [pid 6216] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6214] <... exit_group resumed>) = ? [pid 6212] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6221] +++ exited with 0 +++ [pid 6218] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... openat resumed>) = 3 [pid 6218] <... futex resumed>) = 1 [pid 5859] newfstatat(3, "", [pid 6218] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] <... futex resumed>) = 0 [pid 6215] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... futex resumed>) = 0 [pid 6215] <... futex resumed>) = 1 [pid 6218] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6215] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] <... openat resumed>) = 5 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 231.362912][ T6213] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 231.375955][ T6218] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6218] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] getdents64(3, [pid 6218] <... futex resumed>) = 1 [pid 6215] <... futex resumed>) = 0 [pid 6218] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6215] <... futex resumed>) = 0 [pid 5859] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6218] pwrite64(5, "2", 1, 134220897 [pid 6215] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6218] <... pwrite64 resumed>) = 1 [pid 6218] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] newfstatat(AT_FDCWD, "./23/binderfs", [pid 6218] <... futex resumed>) = 1 [pid 6215] <... futex resumed>) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6218] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] unlink("./23/binderfs" [pid 6218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6215] <... futex resumed>) = 0 [pid 6215] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6217] +++ exited with 0 +++ [pid 6214] +++ exited with 0 +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6214, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5857] restart_syscall(<... resuming interrupted clone ...> [pid 6216] <... write resumed>) = 843776 [pid 6218] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5859] <... unlink resumed>) = 0 [pid 6212] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6212] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6212] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6212] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6212] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6222 attached => {parent_tid=[6222]}, 88) = 6222 [pid 6212] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6212] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6212] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6222] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6222] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6222] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6222] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6222] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... restart_syscall resumed>) = 0 [pid 6222] <... futex resumed>) = 1 [pid 6212] <... futex resumed>) = 0 [pid 6222] fdatasync(6 [pid 6212] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6212] <... futex resumed>) = 0 [pid 6222] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6222] <... futex resumed>) = 0 [pid 6212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6222] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./23/binderfs", [pid 6216] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6212] exit_group(0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6222] <... futex resumed>) = ? [pid 6212] <... exit_group resumed>) = ? [pid 5857] unlink("./23/binderfs" [pid 6216] +++ exited with 0 +++ [pid 5857] <... unlink resumed>) = 0 [ 231.421272][ T6217] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 231.437196][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5857] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6215] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6215] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6215] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6215] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6215] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6222] +++ exited with 0 +++ [pid 6215] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6212] +++ exited with 0 +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6212, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5855] <... umount2 resumed>) = 0 [pid 5855] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] newfstatat(AT_FDCWD, "./23/file0", [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6223 attached [pid 5856] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6223] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5855] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6223] set_robust_list(0x7f708f7669a0, 24 [pid 5856] newfstatat(3, "", [pid 6223] <... set_robust_list resumed>) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6223] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] getdents64(3, [pid 6215] <... clone3 resumed> => {parent_tid=[6223]}, 88) = 6223 [pid 5855] <... openat resumed>) = 4 [pid 6223] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] newfstatat(4, "", [pid 5856] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] getdents64(4, [pid 5856] newfstatat(AT_FDCWD, "./23/binderfs", [pid 6215] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] unlink("./23/binderfs" [pid 5855] getdents64(4, [pid 6215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... unlink resumed>) = 0 [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] close(4 [pid 6215] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... close resumed>) = 0 [pid 6223] <... futex resumed>) = 0 [pid 6215] <... futex resumed>) = 1 [pid 5855] rmdir("./23/file0" [pid 6223] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6215] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... rmdir resumed>) = 0 [pid 6223] <... openat resumed>) = 6 [pid 5855] getdents64(3, [pid 6223] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6215] <... futex resumed>) = 0 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [ 231.495972][ T6222] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 231.516647][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6223] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] close(3 [pid 6223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6218] <... write resumed>) = 843776 [pid 6215] <... futex resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 6223] fdatasync(6 [pid 6218] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] rmdir("./23" [pid 6218] <... futex resumed>) = 0 [pid 5855] <... rmdir resumed>) = 0 [pid 6218] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] mkdir("./24", 0777) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5855] ioctl(3, LOOP_CLR_FD) = 0 [pid 5855] close(3 [pid 6223] <... fdatasync resumed>) = 0 [pid 5859] <... umount2 resumed>) = 0 [pid 6223] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6215] <... futex resumed>) = 0 [pid 6215] exit_group(0) = ? [pid 6218] <... futex resumed>) = ? [pid 6218] +++ exited with 0 +++ [ 231.558717][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 231.589706][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5859] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... umount2 resumed>) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(AT_FDCWD, "./23/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5859] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... close resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./23/file0", [pid 5859] getdents64(4, [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] getdents64(4, [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] close(4) = 0 [pid 5857] <... openat resumed>) = 4 [pid 5859] rmdir("./23/file0" [pid 5857] newfstatat(4, "", [pid 5859] <... rmdir resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] getdents64(3, [pid 5857] getdents64(4, [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5859] close(3 [pid 5857] getdents64(4, [pid 5859] <... close resumed>) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5859] rmdir("./23" [pid 5857] close(4 [pid 5859] <... rmdir resumed>) = 0 [pid 5857] <... close resumed>) = 0 [pid 5857] rmdir("./23/file0" [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] <... rmdir resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6224 [pid 5859] mkdir("./24", 0777./strace-static-x86_64: Process 6224 attached ) = 0 [pid 5857] getdents64(3, [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6224] set_robust_list(0x55559362e6a0, 24 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6224] <... set_robust_list resumed>) = 0 [pid 5857] close(3 [pid 5859] <... openat resumed>) = 3 [pid 5857] <... close resumed>) = 0 [pid 5857] rmdir("./23" [pid 5859] ioctl(3, LOOP_CLR_FD) = 0 [pid 5859] close(3) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 6224] chdir("./24" [pid 6223] +++ exited with 0 +++ [pid 6215] +++ exited with 0 +++ [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6215, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6224] <... chdir resumed>) = 0 [pid 5857] mkdir("./24", 0777 [pid 5858] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5857] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6225 attached [pid 5858] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6224] setpgid(0, 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6225] set_robust_list(0x55559362e6a0, 24 [pid 6224] <... setpgid resumed>) = 0 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6225 [pid 5858] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] <... openat resumed>) = 3 [pid 6225] <... set_robust_list resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD [pid 6225] chdir("./24" executing program [pid 6224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] newfstatat(3, "", [pid 5857] <... ioctl resumed>) = 0 [pid 6225] <... chdir resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] close(3 [pid 5858] getdents64(3, [pid 6225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6225] setpgid(0, 0) = 0 [pid 6225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6225] write(3, "1000", 4) = 4 [pid 6225] close(3) = 0 [pid 6225] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6225] write(1, "executing program\n", 18) = 18 [pid 6225] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6225] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6225] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6225] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [ 231.610102][ T6223] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6225] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] <... close resumed>) = 0 [pid 5858] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./23/binderfs", [pid 6225] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] unlink("./23/binderfs" [pid 6225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6226 attached [pid 5858] <... unlink resumed>) = 0 [pid 6225] <... clone3 resumed> => {parent_tid=[6226]}, 88) = 6226 [pid 6226] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6225] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6226] <... rseq resumed>) = 0 [pid 6225] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] set_robust_list(0x7f708f7879a0, 24 [pid 6225] <... futex resumed>) = 0 [pid 6226] <... set_robust_list resumed>) = 0 [pid 6226] rt_sigprocmask(SIG_SETMASK, [], [pid 6225] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6226] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6227 attached ) = 3 [pid 6224] <... openat resumed>) = 3 [pid 6226] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5856] <... umount2 resumed>) = 0 [pid 6227] set_robust_list(0x55559362e6a0, 24 [pid 5856] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6227] <... set_robust_list resumed>) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6227] chdir("./24" [pid 5856] newfstatat(AT_FDCWD, "./23/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6227] <... chdir resumed>) = 0 [pid 5856] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6227] <... prctl resumed>) = 0 [pid 5856] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6227] setpgid(0, 0 [pid 5856] <... openat resumed>) = 4 [pid 6227] <... setpgid resumed>) = 0 executing program [pid 6227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6224] write(3, "1000", 4 [pid 6227] <... openat resumed>) = 3 [pid 5856] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6227] write(3, "1000", 4 [pid 5856] getdents64(4, [pid 6227] <... write resumed>) = 4 [pid 6226] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6227] close(3) = 0 [pid 6227] symlink("/dev/binderfs", "./binderfs" [pid 5856] getdents64(4, [pid 6227] <... symlink resumed>) = 0 [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] close(4) = 0 [pid 5856] rmdir("./23/file0" [pid 6227] write(1, "executing program\n", 18 [pid 5856] <... rmdir resumed>) = 0 [pid 6227] <... write resumed>) = 18 [pid 5856] getdents64(3, [pid 6227] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6227] <... futex resumed>) = 0 [pid 6224] <... write resumed>) = 4 [pid 6227] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5856] close(3 [pid 6227] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5856] <... close resumed>) = 0 [pid 6227] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5856] rmdir("./23" [pid 6227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 6227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 5856] mkdir("./24", 0777 [pid 6227] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6224] close(3 [pid 5856] <... mkdir resumed>) = 0 [pid 6227] <... mprotect resumed>) = 0 [pid 6227] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6224] <... close resumed>) = 0 [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6227 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6227] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5856] <... openat resumed>) = 3 [pid 6227] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6228 attached [pid 6224] symlink("/dev/binderfs", "./binderfs" [pid 5856] ioctl(3, LOOP_CLR_FD) = 0 [pid 5856] close(3 [pid 6227] <... clone3 resumed> => {parent_tid=[6228]}, 88) = 6228 [pid 6224] <... symlink resumed>) = 0 [pid 6228] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6227] rt_sigprocmask(SIG_SETMASK, [], [pid 6228] <... rseq resumed>) = 0 [pid 6227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6228] set_robust_list(0x7f708f7879a0, 24 [pid 6227] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6224] write(1, "executing program\n", 18 [pid 6228] <... set_robust_list resumed>) = 0 [pid 6227] <... futex resumed>) = 0 [pid 6224] <... write resumed>) = 18 [pid 6224] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... close resumed>) = 0 [pid 6224] <... futex resumed>) = 0 [pid 6224] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6228] rt_sigprocmask(SIG_SETMASK, [], [pid 6227] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6226] <... write resumed>) = 1048576 [pid 6228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6228] memfd_create("syzkaller", 0) = 3 [pid 6228] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6226] munmap(0x7f7087200000, 138412032) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6226] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6229 ./strace-static-x86_64: Process 6229 attached [pid 6228] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6226] <... openat resumed>) = 4 [pid 6224] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6224] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6229] set_robust_list(0x55559362e6a0, 24 [pid 6226] ioctl(4, LOOP_SET_FD, 3 [pid 6224] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 231.715628][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6224] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6229] <... set_robust_list resumed>) = 0 [pid 6226] <... ioctl resumed>) = 0 [pid 6224] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6224] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6229] chdir("./24") = 0 [pid 6229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6229] setpgid(0, 0) = 0 [pid 6229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6229] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 6230 attached [pid 6229] close(3) = 0 [pid 6230] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 [pid 6229] symlink("/dev/binderfs", "./binderfs" [pid 6224] <... clone3 resumed> => {parent_tid=[6230]}, 88) = 6230 [pid 6230] set_robust_list(0x7f708f7879a0, 24 [pid 6224] rt_sigprocmask(SIG_SETMASK, [], [pid 6230] <... set_robust_list resumed>) = 0 [pid 6230] rt_sigprocmask(SIG_SETMASK, [], [pid 6229] <... symlink resumed>) = 0 [pid 6224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6229] write(1, "executing program\n", 18 [pid 6230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6229] <... write resumed>) = 18 [pid 6228] <... write resumed>) = 1048576 [pid 6224] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6230] memfd_create("syzkaller", 0 [pid 6229] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6224] <... futex resumed>) = 0 [pid 6230] <... memfd_create resumed>) = 3 [pid 6229] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6230] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6228] munmap(0x7f7087200000, 138412032 [pid 6224] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6230] <... mmap resumed>) = 0x7f7087200000 [pid 6229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6228] <... munmap resumed>) = 0 [pid 5858] <... umount2 resumed>) = 0 [pid 6229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6226] close(3 [pid 6229] <... mmap resumed>) = 0x7f708f767000 [pid 6229] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6229] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6231 attached [pid 6226] <... close resumed>) = 0 [pid 6231] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6229] <... clone3 resumed> => {parent_tid=[6231]}, 88) = 6231 [pid 6228] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6226] close(4 [pid 6231] <... rseq resumed>) = 0 [pid 6229] rt_sigprocmask(SIG_SETMASK, [], [pid 6228] <... openat resumed>) = 4 [pid 6226] <... close resumed>) = 0 [pid 5858] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6231] set_robust_list(0x7f708f7879a0, 24 [pid 6229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6228] ioctl(4, LOOP_SET_FD, 3 [pid 6226] mkdir("./file0", 0777 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6231] <... set_robust_list resumed>) = 0 [pid 6229] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] <... ioctl resumed>) = 0 [pid 6226] <... mkdir resumed>) = 0 [pid 5858] newfstatat(AT_FDCWD, "./23/file0", [pid 6231] rt_sigprocmask(SIG_SETMASK, [], [pid 6229] <... futex resumed>) = 0 [pid 6231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6229] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6231] memfd_create("syzkaller", 0) = 3 [pid 6231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6230] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6226] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 5858] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5858] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [ 231.782305][ T6226] loop4: detected capacity change from 0 to 2048 [ 231.803467][ T6228] loop2: detected capacity change from 0 to 2048 [pid 5858] getdents64(4, [pid 6228] close(3 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6228] <... close resumed>) = 0 [pid 5858] close(4) = 0 [pid 6228] close(4) = 0 [pid 6228] mkdir("./file0", 0777) = 0 [pid 6231] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6228] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 5858] rmdir("./23/file0" [pid 6231] <... write resumed>) = 1048576 [pid 6230] <... write resumed>) = 1048576 [pid 5858] <... rmdir resumed>) = 0 [pid 6230] munmap(0x7f7087200000, 138412032 [pid 5858] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5858] rmdir("./23" [pid 6230] <... munmap resumed>) = 0 [pid 5858] <... rmdir resumed>) = 0 [pid 6231] munmap(0x7f7087200000, 138412032 [pid 5858] mkdir("./24", 0777 [pid 6231] <... munmap resumed>) = 0 [ 231.826504][ T6226] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 231.839839][ T6226] UDF-fs: Scanning with blocksize 512 failed [ 231.864203][ T6228] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 231.873087][ T6228] UDF-fs: Scanning with blocksize 512 failed [pid 6230] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6231] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5858] <... mkdir resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6231] <... openat resumed>) = 4 [pid 6230] <... openat resumed>) = 4 [pid 5858] <... openat resumed>) = 3 [pid 6230] ioctl(4, LOOP_SET_FD, 3 [pid 6231] ioctl(4, LOOP_SET_FD, 3 [pid 6228] <... mount resumed>) = 0 [pid 6226] <... mount resumed>) = 0 [pid 5858] ioctl(3, LOOP_CLR_FD [pid 6230] <... ioctl resumed>) = 0 [pid 6231] <... ioctl resumed>) = 0 [pid 6228] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6226] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5858] <... ioctl resumed>) = 0 [pid 6231] close(3 [pid 6226] <... openat resumed>) = 3 [pid 6231] <... close resumed>) = 0 [pid 6230] close(3 [pid 6231] close(4 [pid 6228] <... openat resumed>) = 3 [pid 5858] close(3 [pid 6230] <... close resumed>) = 0 [pid 6231] <... close resumed>) = 0 [pid 6228] chdir("./file0" [pid 6231] mkdir("./file0", 0777 [pid 6230] close(4 [pid 6228] <... chdir resumed>) = 0 [pid 6231] <... mkdir resumed>) = 0 [pid 6230] <... close resumed>) = 0 [pid 6228] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6230] mkdir("./file0", 0777 [pid 6228] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6230] <... mkdir resumed>) = 0 [pid 6228] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6227] <... futex resumed>) = 0 [pid 6227] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6228] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6227] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6231] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6230] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6228] <... openat resumed>) = 4 [pid 6228] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6227] <... futex resumed>) = 0 [pid 6228] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6227] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] <... openat resumed>) = 5 [pid 6227] <... futex resumed>) = 0 [pid 6227] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6226] chdir("./file0" [pid 5858] <... close resumed>) = 0 [pid 6228] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... chdir resumed>) = 0 [pid 6228] <... futex resumed>) = 1 [pid 6227] <... futex resumed>) = 0 [ 231.887922][ T6226] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 231.902992][ T6228] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 231.904543][ T6230] loop0: detected capacity change from 0 to 2048 [ 231.919534][ T6231] loop1: detected capacity change from 0 to 2048 [pid 6226] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6227] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6226] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] pwrite64(5, "2", 1, 134220897) = 1 ./strace-static-x86_64: Process 6232 attached [pid 6226] <... futex resumed>) = 1 [pid 6232] set_robust_list(0x55559362e6a0, 24 [pid 6226] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6232 [pid 6228] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... futex resumed>) = 0 [pid 6228] <... futex resumed>) = 0 [pid 6227] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6225] <... futex resumed>) = 0 [pid 6228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6227] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... set_robust_list resumed>) = 0 [pid 6228] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6227] <... futex resumed>) = 0 [pid 6226] <... futex resumed>) = 0 [pid 6225] <... futex resumed>) = 1 [pid 6232] chdir("./24" [pid 6226] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6232] <... chdir resumed>) = 0 [pid 6232] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6227] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6226] <... openat resumed>) = 4 [pid 6225] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6232] <... prctl resumed>) = 0 [pid 6226] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] setpgid(0, 0 [pid 6226] <... futex resumed>) = 1 [pid 6225] <... futex resumed>) = 0 [pid 6232] <... setpgid resumed>) = 0 [pid 6226] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6225] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... openat resumed>) = 5 [pid 6225] <... futex resumed>) = 0 [pid 6232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6226] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6232] <... openat resumed>) = 3 [pid 6226] <... futex resumed>) = 0 [pid 6225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6225] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6226] pwrite64(5, "2", 1, 134220897 [pid 6225] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6226] <... pwrite64 resumed>) = 1 [pid 6226] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] write(3, "1000", 4 [pid 6225] <... futex resumed>) = 0 [pid 6232] <... write resumed>) = 4 [pid 6226] <... futex resumed>) = 1 [pid 6225] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] close(3 [pid 6226] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6225] <... futex resumed>) = 0 [pid 6232] <... close resumed>) = 0 [pid 6225] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6232] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6232] write(1, "executing program\n", 18) = 18 [pid 6232] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6232] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [ 231.969251][ T6231] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 231.978971][ T6230] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 231.999032][ T6231] UDF-fs: Scanning with blocksize 512 failed [ 232.011201][ T6230] UDF-fs: Scanning with blocksize 512 failed [pid 6232] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6227] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6227] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6232] <... mmap resumed>) = 0x7f708f767000 [pid 6227] <... mmap resumed>) = 0x7f708f746000 [pid 6225] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6227] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6225] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6227] <... mprotect resumed>) = 0 [pid 6227] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6232] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6225] <... futex resumed>) = 0 [pid 6227] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6227] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6233]}, 88) = 6233 [pid 6227] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6227] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6227] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6233 attached [pid 6225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6233] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6233] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6232] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6225] <... mmap resumed>) = 0x7f708f746000 [pid 6233] rt_sigprocmask(SIG_SETMASK, [], [pid 6232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6225] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6233] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6225] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6234 attached [pid 6233] <... openat resumed>) = 6 [pid 6225] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6233] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... clone3 resumed> => {parent_tid=[6234]}, 88) = 6234 [pid 6225] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6233] <... futex resumed>) = 1 [pid 6232] rt_sigprocmask(SIG_SETMASK, [], [pid 6227] <... futex resumed>) = 0 [pid 6225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6227] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6232] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6235 attached [pid 6234] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6232] <... futex resumed>) = 0 [pid 6230] <... mount resumed>) = 0 [pid 6227] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6225] <... clone3 resumed> => {parent_tid=[6235]}, 88) = 6235 [pid 6234] <... rseq resumed>) = 0 [pid 6232] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6225] rt_sigprocmask(SIG_SETMASK, [], [pid 6234] set_robust_list(0x7f708f7879a0, 24 [pid 6230] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6234] <... set_robust_list resumed>) = 0 [pid 6225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6235] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6233] fdatasync(6 [pid 6235] <... rseq resumed>) = 0 [pid 6234] rt_sigprocmask(SIG_SETMASK, [], [pid 6233] <... fdatasync resumed>) = 0 [pid 6225] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] set_robust_list(0x7f708f7669a0, 24 [pid 6233] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... set_robust_list resumed>) = 0 [pid 6234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6233] <... futex resumed>) = 1 [pid 6227] <... futex resumed>) = 0 [pid 6225] <... futex resumed>) = 0 [pid 6235] rt_sigprocmask(SIG_SETMASK, [], [pid 6230] <... openat resumed>) = 3 [pid 6235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6234] memfd_create("syzkaller", 0 [pid 6233] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] <... mount resumed>) = 0 [pid 6230] chdir("./file0" [pid 6225] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6234] <... memfd_create resumed>) = 3 [pid 6231] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6230] <... chdir resumed>) = 0 [pid 6235] <... openat resumed>) = 6 [pid 6231] <... openat resumed>) = 3 [pid 6230] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6235] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] chdir("./file0" [pid 6230] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6235] <... futex resumed>) = 1 [pid 6234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6231] <... chdir resumed>) = 0 [pid 6230] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] <... futex resumed>) = 0 [pid 6235] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6234] <... mmap resumed>) = 0x7f7087200000 [pid 6231] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6230] <... futex resumed>) = 1 [pid 6231] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6225] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... futex resumed>) = 0 [pid 6231] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] <... futex resumed>) = 1 [pid 6235] fdatasync(6 [pid 6231] <... futex resumed>) = 1 [pid 6229] <... futex resumed>) = 0 [pid 6225] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] <... fdatasync resumed>) = 0 [pid 6231] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6230] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6229] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 232.042388][ T6230] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 232.055519][ T6231] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6229] <... futex resumed>) = 0 [pid 6224] <... futex resumed>) = 0 [pid 6235] <... futex resumed>) = 1 [pid 6231] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6225] <... futex resumed>) = 0 [pid 6224] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6229] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6224] <... futex resumed>) = 1 [pid 6230] <... futex resumed>) = 0 [pid 6224] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 6231] <... openat resumed>) = 4 [pid 6230] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... futex resumed>) = 1 [pid 6224] <... futex resumed>) = 0 [pid 6231] <... futex resumed>) = 1 [pid 6230] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6229] <... futex resumed>) = 0 [pid 6224] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... openat resumed>) = 5 [pid 6229] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... futex resumed>) = 0 [pid 6231] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6230] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] <... futex resumed>) = 0 [pid 6224] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6231] <... openat resumed>) = 5 [pid 6230] <... futex resumed>) = 0 [pid 6229] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6231] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6224] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... futex resumed>) = 0 [pid 6230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6229] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... futex resumed>) = 0 [pid 6231] pwrite64(5, "2", 1, 134220897 [pid 6230] pwrite64(5, "2", 1, 134220897 [pid 6229] <... futex resumed>) = 0 [pid 6224] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6231] <... pwrite64 resumed>) = 1 [pid 6230] <... pwrite64 resumed>) = 1 [pid 6229] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6231] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... futex resumed>) = 1 [pid 6229] <... futex resumed>) = 0 [pid 6229] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6229] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] <... futex resumed>) = 1 [pid 6224] <... futex resumed>) = 0 [pid 6231] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6224] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6228] <... write resumed>) = 843776 [pid 6224] <... futex resumed>) = 0 [pid 6224] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6228] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6227] exit_group(0 [pid 6228] <... futex resumed>) = ? [pid 6227] <... exit_group resumed>) = ? [pid 6228] +++ exited with 0 +++ [pid 6233] <... futex resumed>) = ? [pid 6234] <... write resumed>) = 1048576 [pid 6226] <... write resumed>) = 843776 [pid 6234] munmap(0x7f7087200000, 138412032) = 0 [pid 6226] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6225] exit_group(0) = ? [pid 6235] <... futex resumed>) = ? [pid 6235] +++ exited with 0 +++ [pid 6229] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6229] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6229] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6229] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6236]}, 88) = 6236 [pid 6234] ioctl(4, LOOP_SET_FD, 3 [pid 6226] <... futex resumed>) = ? [pid 6229] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6229] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6229] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6236 attached [pid 6236] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6236] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6236] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6236] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6236] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6229] <... futex resumed>) = 0 [pid 6229] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6229] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 232.150148][ T6233] UDF-fs: warning (device loop2): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 232.182748][ T6234] loop3: detected capacity change from 0 to 2048 [pid 6236] fdatasync(6) = 0 [pid 6236] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6229] <... futex resumed>) = 0 [pid 6236] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6224] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6224] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6224] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6224] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6224] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6237 attached => {parent_tid=[6237]}, 88) = 6237 [pid 6237] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6224] rt_sigprocmask(SIG_SETMASK, [], [pid 6237] <... rseq resumed>) = 0 [pid 6234] <... ioctl resumed>) = 0 [pid 6224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6234] close(3) = 0 [pid 6234] close(4) = 0 [pid 6224] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6224] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] set_robust_list(0x7f708f7669a0, 24 [pid 6234] mkdir("./file0", 0777 [pid 6237] <... set_robust_list resumed>) = 0 [pid 6237] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6237] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6234] <... mkdir resumed>) = 0 [pid 6237] <... openat resumed>) = 6 [pid 6234] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6230] <... write resumed>) = 843776 [pid 6237] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6224] <... futex resumed>) = 0 [pid 6224] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6224] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] fdatasync(6) = -1 EIO (Input/output error) [pid 6237] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6224] <... futex resumed>) = 0 [pid 6230] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6224] exit_group(0) = ? [pid 6230] +++ exited with 0 +++ [ 232.194227][ T6226] UDF-fs: warning (device loop4): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 232.198040][ T6233] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6231] <... write resumed>) = 843776 [pid 6231] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6229] exit_group(0) = ? [pid 6231] +++ exited with 0 +++ [pid 6236] <... futex resumed>) = ? [pid 6233] +++ exited with 0 +++ [pid 6227] +++ exited with 0 +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6227, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5857] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5857] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./24/binderfs") = 0 [ 232.249376][ T6234] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 232.251187][ T6237] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 232.257271][ T6226] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 232.273464][ T6236] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 232.279751][ T6234] UDF-fs: Scanning with blocksize 512 failed [pid 5857] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6237] +++ exited with 0 +++ [pid 6224] +++ exited with 0 +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6224, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5855] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6236] +++ exited with 0 +++ [pid 6229] +++ exited with 0 +++ [pid 6226] +++ exited with 0 +++ [pid 6225] +++ exited with 0 +++ [pid 5855] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6225, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5859] restart_syscall(<... resuming interrupted clone ...> [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6229, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5856] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 6234] <... mount resumed>) = 0 [pid 5859] <... restart_syscall resumed>) = 0 [pid 5856] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] newfstatat(3, "", [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] <... openat resumed>) = 3 [pid 5859] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] newfstatat(3, "", [pid 5859] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] getdents64(3, [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] newfstatat(AT_FDCWD, "./24/binderfs", [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] getdents64(3, [pid 5859] unlink("./24/binderfs" [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... unlink resumed>) = 0 [pid 5856] newfstatat(AT_FDCWD, "./24/binderfs", [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 232.303185][ T6234] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 232.336993][ T55] bio_check_eod: 293 callbacks suppressed [ 232.337013][ T55] kworker/u8:3: attempt to access beyond end of device [pid 5856] unlink("./24/binderfs" [pid 5855] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6234] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... unlink resumed>) = 0 [pid 5855] newfstatat(AT_FDCWD, "./24/binderfs", [pid 6234] <... openat resumed>) = 3 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6234] chdir("./file0" [pid 5855] unlink("./24/binderfs" [pid 6234] <... chdir resumed>) = 0 [pid 5855] <... unlink resumed>) = 0 [pid 6234] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5855] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6234] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6234] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6232] <... futex resumed>) = 0 [pid 6234] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6232] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6232] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] <... openat resumed>) = 4 [pid 6234] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6234] <... futex resumed>) = 1 [pid 6232] <... futex resumed>) = 0 [pid 6232] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6232] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 6234] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6232] <... futex resumed>) = 0 [pid 6234] pwrite64(5, "2", 1, 134220897 [pid 6232] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... pwrite64 resumed>) = 1 [pid 6232] <... futex resumed>) = 0 [pid 6232] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6232] <... futex resumed>) = 0 [pid 6234] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 232.337013][ T55] loop2: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 232.359278][ T55] buffer_io_error: 289 callbacks suppressed [ 232.359297][ T55] Buffer I/O error on dev loop2, logical block 1024, lost async page write [ 232.375244][ T55] kworker/u8:3: attempt to access beyond end of device [ 232.375244][ T55] loop2: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 232.376007][ T35] kworker/u8:2: attempt to access beyond end of device [ 232.376007][ T35] loop4: rw=1, sector=2048, nr_sectors = 2 limit=2048 [pid 6232] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] <... futex resumed>) = 0 [pid 6234] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [ 232.398952][ T55] Buffer I/O error on dev loop2, logical block 1024, lost async page write [ 232.412509][ T55] kworker/u8:3: attempt to access beyond end of device [ 232.412509][ T55] loop2: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 232.426459][ T55] Buffer I/O error on dev loop2, logical block 1024, lost async page write [ 232.435528][ T55] kworker/u8:3: attempt to access beyond end of device [ 232.435528][ T55] loop2: rw=1, sector=2048, nr_sectors = 2 limit=2048 [pid 6232] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6232] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6232] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6232] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6238 attached [ 232.442021][ T3486] kworker/u8:9: attempt to access beyond end of device [ 232.442021][ T3486] loop0: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 232.449709][ T35] Buffer I/O error on dev loop4, logical block 1024, lost async page write [ 232.471445][ T55] Buffer I/O error on dev loop2, logical block 1024, lost async page write [ 232.478187][ T62] kworker/u8:4: attempt to access beyond end of device [ 232.478187][ T62] loop1: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 232.494322][ T55] kworker/u8:3: attempt to access beyond end of device => {parent_tid=[6238]}, 88) = 6238 [pid 6238] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [ 232.494322][ T55] loop2: rw=1, sector=2050, nr_sectors = 2 limit=2048 [ 232.497812][ T62] Buffer I/O error on dev loop1, logical block 1024, lost async page write [ 232.512010][ T35] kworker/u8:2: attempt to access beyond end of device [ 232.512010][ T35] loop4: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 232.518204][ T62] kworker/u8:4: attempt to access beyond end of device [ 232.518204][ T62] loop1: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 232.541932][ T3486] Buffer I/O error on dev loop0, logical block 1024, lost async page write [pid 6232] rt_sigprocmask(SIG_SETMASK, [], [pid 6238] set_robust_list(0x7f708f7669a0, 24 [pid 6232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6238] <... set_robust_list resumed>) = 0 [pid 6232] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] rt_sigprocmask(SIG_SETMASK, [], [pid 6232] <... futex resumed>) = 0 [pid 6238] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 232.552195][ T62] Buffer I/O error on dev loop1, logical block 1024, lost async page write [ 232.552274][ T62] Buffer I/O error on dev loop1, logical block 1024, lost async page write [ 232.561926][ T55] Buffer I/O error on dev loop2, logical block 1025, lost async page write [ 232.581252][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 6232] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6238] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6234] <... write resumed>) = 843776 [pid 6238] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... futex resumed>) = 1 [pid 6234] <... futex resumed>) = 0 [pid 6232] <... futex resumed>) = 0 [pid 6238] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6234] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6232] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6234] fdatasync(6 [pid 6232] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6234] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... umount2 resumed>) = 0 [pid 6234] <... futex resumed>) = 1 [pid 6232] <... futex resumed>) = 0 [pid 6234] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6232] exit_group(0 [ 232.594481][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 232.612940][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 232.622960][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 5859] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6238] <... futex resumed>) = ? [pid 6234] <... futex resumed>) = ? [pid 6232] <... exit_group resumed>) = ? [pid 5855] <... umount2 resumed>) = 0 [pid 6234] +++ exited with 0 +++ [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(AT_FDCWD, "./24/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5859] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5859] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5859] close(4) = 0 [pid 5859] rmdir("./24/file0") = 0 [pid 5859] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5859] close(3) = 0 [pid 5859] rmdir("./24") = 0 [pid 5859] mkdir("./25", 0777) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5859] ioctl(3, LOOP_CLR_FD) = 0 [pid 5859] close(3) = 0 [pid 6238] +++ exited with 0 +++ [pid 6232] +++ exited with 0 +++ [pid 5856] <... umount2 resumed>) = 0 [pid 5855] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6232, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5856] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./24/file0", [pid 5856] newfstatat(AT_FDCWD, "./24/file0", [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(4, "", ./strace-static-x86_64: Process 6239 attached [pid 5857] <... umount2 resumed>) = 0 [pid 5856] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6239] set_robust_list(0x55559362e6a0, 24 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6239 [pid 5857] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... openat resumed>) = 4 [pid 5855] getdents64(4, [pid 5856] newfstatat(4, "", [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] getdents64(4, [pid 5858] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] getdents64(4, [pid 5858] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] newfstatat(AT_FDCWD, "./24/file0", [pid 5855] close(4 [pid 5858] <... openat resumed>) = 3 [pid 5855] <... close resumed>) = 0 [pid 5858] newfstatat(3, "", [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] rmdir("./24/file0" [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 232.678286][ T6238] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5857] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6239] <... set_robust_list resumed>) = 0 [pid 5858] getdents64(3, [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] getdents64(4, [pid 5855] <... rmdir resumed>) = 0 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] getdents64(3, [pid 5858] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... openat resumed>) = 4 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(4, "", [pid 5855] close(3 [pid 5858] newfstatat(AT_FDCWD, "./24/binderfs", [pid 5856] close(4 [pid 5855] <... close resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... close resumed>) = 0 [pid 5855] rmdir("./24" [pid 5858] unlink("./24/binderfs" [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] rmdir("./24/file0" [pid 5855] <... rmdir resumed>) = 0 [pid 5858] <... unlink resumed>) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 5858] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] getdents64(3, [pid 5857] getdents64(4, [pid 5855] mkdir("./25", 0777 [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] <... mkdir resumed>) = 0 [pid 5857] getdents64(4, [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] close(3 [pid 5857] close(4) = 0 [pid 5856] <... close resumed>) = 0 [pid 5857] rmdir("./24/file0") = 0 [pid 5856] rmdir("./24" [pid 5855] <... openat resumed>) = 3 [pid 5857] getdents64(3, [pid 5856] <... rmdir resumed>) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] mkdir("./25", 0777 [pid 5857] close(3 [pid 5856] <... mkdir resumed>) = 0 [pid 5857] <... close resumed>) = 0 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 5857] rmdir("./24" [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5855] <... ioctl resumed>) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 5857] mkdir("./25", 0777 [pid 5856] <... openat resumed>) = 3 [pid 5855] close(3 [pid 5857] <... mkdir resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5856] ioctl(3, LOOP_CLR_FD [pid 6239] chdir("./25" [pid 5857] <... openat resumed>) = 3 [pid 5856] <... ioctl resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6239] <... chdir resumed>) = 0 [pid 5857] ioctl(3, LOOP_CLR_FD [pid 5856] close(3 [pid 5857] <... ioctl resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5857] close(3 [pid 6239] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6240 attached executing program ) = 0 [pid 5857] <... close resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6240 [pid 6240] set_robust_list(0x55559362e6a0, 24) = 0 [pid 6240] chdir("./25") = 0 [pid 6240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6240] setpgid(0, 0) = 0 [pid 6240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6240] write(3, "1000", 4) = 4 [pid 6240] close(3) = 0 [pid 6240] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6240] write(1, "executing program\n", 18) = 18 [pid 6240] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6240] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6240] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6240] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6240] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6240] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6241 attached => {parent_tid=[6241]}, 88) = 6241 [pid 6239] setpgid(0, 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6239] <... setpgid resumed>) = 0 [pid 6239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6242 [pid 6239] <... openat resumed>) = 3 [pid 6240] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6242 attached NULL, 8) = 0 [pid 6240] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6240] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6239] write(3, "1000", 4 [pid 6242] set_robust_list(0x55559362e6a0, 24 [pid 6241] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 ./strace-static-x86_64: Process 6243 attached [pid 6242] <... set_robust_list resumed>) = 0 [pid 6241] set_robust_list(0x7f708f7879a0, 24 [pid 6239] <... write resumed>) = 4 [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6243 [pid 6243] set_robust_list(0x55559362e6a0, 24 [pid 6239] close(3) = 0 [pid 6243] <... set_robust_list resumed>) = 0 [pid 6239] symlink("/dev/binderfs", "./binderfs" [pid 6243] chdir("./25" [pid 6242] chdir("./25" [pid 6241] <... set_robust_list resumed>) = 0 executing program [pid 6239] <... symlink resumed>) = 0 [pid 6243] <... chdir resumed>) = 0 [pid 6239] write(1, "executing program\n", 18 [pid 6243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6242] <... chdir resumed>) = 0 [pid 6241] rt_sigprocmask(SIG_SETMASK, [], [pid 6239] <... write resumed>) = 18 [pid 6243] <... prctl resumed>) = 0 [pid 6239] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] setpgid(0, 0 [pid 6242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6239] <... futex resumed>) = 0 [pid 6243] <... setpgid resumed>) = 0 [pid 6239] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6242] <... prctl resumed>) = 0 [pid 6241] memfd_create("syzkaller", 0 [pid 6239] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6239] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6243] <... openat resumed>) = 3 [pid 6242] setpgid(0, 0 [pid 6241] <... memfd_create resumed>) = 3 [pid 6239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6243] write(3, "1000", 4 [pid 6239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6243] <... write resumed>) = 4 [pid 6243] close(3 [pid 6242] <... setpgid resumed>) = 0 [pid 6241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6239] <... mmap resumed>) = 0x7f708f767000 [pid 6243] <... close resumed>) = 0 [pid 6239] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6243] symlink("/dev/binderfs", "./binderfs") = 0 [ 232.772504][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6241] <... mmap resumed>) = 0x7f7087200000 [pid 6239] <... mprotect resumed>) = 0 [pid 6243] write(1, "executing program\n", 18 [pid 6242] <... openat resumed>) = 3 executing program [pid 6243] <... write resumed>) = 18 [pid 6243] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6243] <... futex resumed>) = 0 [pid 6242] write(3, "1000", 4 [pid 6239] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6243] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6239] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6243] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6243] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6242] <... write resumed>) = 4 [pid 6242] close(3) = 0 [pid 6242] symlink("/dev/binderfs", "./binderfs" [pid 6243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] <... umount2 resumed>) = 0 executing program ./strace-static-x86_64: Process 6244 attached [pid 6243] <... mmap resumed>) = 0x7f708f767000 [pid 6242] <... symlink resumed>) = 0 [pid 6241] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5858] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6243] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6242] write(1, "executing program\n", 18 [pid 6243] <... mprotect resumed>) = 0 [pid 6242] <... write resumed>) = 18 [pid 6242] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6242] <... futex resumed>) = 0 [pid 6243] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6242] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6243] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6242] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6242] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] newfstatat(AT_FDCWD, "./24/file0", [pid 6243] <... clone3 resumed> => {parent_tid=[6245]}, 88) = 6245 [pid 6242] <... mmap resumed>) = 0x7f708f767000 ./strace-static-x86_64: Process 6245 attached [pid 6244] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6243] rt_sigprocmask(SIG_SETMASK, [], [pid 6242] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6241] <... write resumed>) = 1048576 [pid 6239] <... clone3 resumed> => {parent_tid=[6244]}, 88) = 6244 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6245] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6244] <... rseq resumed>) = 0 [pid 6243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6242] <... mprotect resumed>) = 0 [pid 6243] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6245] <... rseq resumed>) = 0 [pid 6242] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6243] <... futex resumed>) = 0 [pid 6243] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6244] set_robust_list(0x7f708f7879a0, 24 [pid 6239] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6244] <... set_robust_list resumed>) = 0 [pid 6239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6244] rt_sigprocmask(SIG_SETMASK, [], [pid 6239] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6239] <... futex resumed>) = 0 [pid 5858] <... openat resumed>) = 4 [pid 6245] set_robust_list(0x7f708f7879a0, 24 [pid 6244] memfd_create("syzkaller", 0 [pid 6242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6239] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6245] <... set_robust_list resumed>) = 0 [pid 6244] <... memfd_create resumed>) = 3 [pid 5858] newfstatat(4, "", ./strace-static-x86_64: Process 6246 attached [pid 6244] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6244] <... mmap resumed>) = 0x7f7087200000 [pid 5858] getdents64(4, [pid 6242] <... clone3 resumed> => {parent_tid=[6246]}, 88) = 6246 [pid 6246] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6245] rt_sigprocmask(SIG_SETMASK, [], [pid 6242] rt_sigprocmask(SIG_SETMASK, [], [pid 6241] munmap(0x7f7087200000, 138412032 [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6246] <... rseq resumed>) = 0 [pid 6245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] getdents64(4, [pid 6246] set_robust_list(0x7f708f7879a0, 24 [pid 6242] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6246] <... set_robust_list resumed>) = 0 [pid 6245] memfd_create("syzkaller", 0 [pid 6242] <... futex resumed>) = 0 [pid 6241] <... munmap resumed>) = 0 [pid 5858] close(4 [pid 6246] rt_sigprocmask(SIG_SETMASK, [], [pid 6245] <... memfd_create resumed>) = 3 [pid 6242] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6241] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... close resumed>) = 0 [pid 6241] <... openat resumed>) = 4 [pid 6245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5858] rmdir("./24/file0" [pid 6241] ioctl(4, LOOP_SET_FD, 3 [pid 6246] memfd_create("syzkaller", 0 [pid 6245] <... mmap resumed>) = 0x7f7087200000 [pid 5858] <... rmdir resumed>) = 0 [pid 5858] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5858] rmdir("./24") = 0 [pid 5858] mkdir("./25", 0777 [pid 6246] <... memfd_create resumed>) = 3 [pid 6245] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6244] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6241] <... ioctl resumed>) = 0 [pid 6246] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6241] close(3 [pid 5858] <... mkdir resumed>) = 0 [pid 6241] <... close resumed>) = 0 [pid 6241] close(4) = 0 [pid 6246] <... mmap resumed>) = 0x7f7087200000 [pid 6245] <... write resumed>) = 1048576 [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6241] mkdir("./file0", 0777) = 0 [pid 6241] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6246] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6245] munmap(0x7f7087200000, 138412032 [pid 6244] <... write resumed>) = 1048576 [pid 5858] <... openat resumed>) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD) = 0 [pid 5858] close(3 [pid 6244] munmap(0x7f7087200000, 138412032 [pid 5858] <... close resumed>) = 0 [ 232.897142][ T6241] loop0: detected capacity change from 0 to 2048 [ 232.934458][ T6241] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [pid 6245] <... munmap resumed>) = 0 [pid 6244] <... munmap resumed>) = 0 [pid 6244] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6244] ioctl(4, LOOP_SET_FD, 3 [pid 6246] <... write resumed>) = 1048576 [pid 6245] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6245] ioctl(4, LOOP_SET_FD, 3 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6246] munmap(0x7f7087200000, 138412032) = 0 [pid 6246] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6246] ioctl(4, LOOP_SET_FD, 3 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6247 ./strace-static-x86_64: Process 6247 attached [pid 6245] <... ioctl resumed>) = 0 [pid 6245] close(3) = 0 [pid 6245] close(4) = 0 [ 232.955966][ T6241] UDF-fs: Scanning with blocksize 512 failed [ 232.957033][ T6244] loop4: detected capacity change from 0 to 2048 [ 232.977407][ T6245] loop2: detected capacity change from 0 to 2048 [ 232.987313][ T6246] loop1: detected capacity change from 0 to 2048 [pid 6245] mkdir("./file0", 0777executing program ) = 0 [pid 6247] set_robust_list(0x55559362e6a0, 24 [pid 6245] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6247] <... set_robust_list resumed>) = 0 [pid 6247] chdir("./25") = 0 [pid 6244] <... ioctl resumed>) = 0 [pid 6247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6244] close(3 [pid 6247] <... prctl resumed>) = 0 [pid 6244] <... close resumed>) = 0 [pid 6247] setpgid(0, 0 [pid 6244] close(4 [pid 6247] <... setpgid resumed>) = 0 [pid 6244] <... close resumed>) = 0 [pid 6247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6244] mkdir("./file0", 0777 [pid 6247] <... openat resumed>) = 3 [pid 6244] <... mkdir resumed>) = 0 [pid 6247] write(3, "1000", 4 [pid 6244] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6247] <... write resumed>) = 4 [pid 6247] close(3) = 0 [pid 6247] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6247] write(1, "executing program\n", 18) = 18 [pid 6247] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6247] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6247] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6247] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6247] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6246] <... ioctl resumed>) = 0 [pid 6247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6241] <... mount resumed>) = 0 [pid 6241] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 6248 attached [pid 6248] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6247] <... clone3 resumed> => {parent_tid=[6248]}, 88) = 6248 [pid 6241] chdir("./file0" [pid 6248] <... rseq resumed>) = 0 [pid 6247] rt_sigprocmask(SIG_SETMASK, [], [pid 6241] <... chdir resumed>) = 0 [pid 6248] set_robust_list(0x7f708f7879a0, 24 [pid 6247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6241] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6248] <... set_robust_list resumed>) = 0 [ 232.997958][ T6241] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 233.011411][ T6245] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 233.023819][ T6244] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 233.034152][ T6245] UDF-fs: Scanning with blocksize 512 failed [pid 6247] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] rt_sigprocmask(SIG_SETMASK, [], [pid 6247] <... futex resumed>) = 0 [pid 6246] close(3 [pid 6241] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6247] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6246] <... close resumed>) = 0 [pid 6246] close(4) = 0 [pid 6246] mkdir("./file0", 0777) = 0 [pid 6246] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6241] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] memfd_create("syzkaller", 0 [pid 6241] <... futex resumed>) = 1 [pid 6240] <... futex resumed>) = 0 [pid 6248] <... memfd_create resumed>) = 3 [pid 6241] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6240] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6240] <... futex resumed>) = 0 [pid 6240] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6248] <... mmap resumed>) = 0x7f7087200000 [pid 6241] <... openat resumed>) = 4 [pid 6241] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6241] <... futex resumed>) = 1 [pid 6240] <... futex resumed>) = 0 [ 233.057081][ T6244] UDF-fs: Scanning with blocksize 512 failed [ 233.079885][ T6246] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 233.095122][ T6245] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6240] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6240] <... futex resumed>) = 0 [pid 6241] <... openat resumed>) = 5 [pid 6240] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6241] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6240] <... futex resumed>) = 0 [pid 6240] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6240] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] <... mount resumed>) = 0 [pid 6244] <... mount resumed>) = 0 [pid 6241] pwrite64(5, "2", 1, 134220897 [pid 6245] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6244] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6241] <... pwrite64 resumed>) = 1 [pid 6245] chdir("./file0" [pid 6244] <... openat resumed>) = 3 [pid 6241] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... chdir resumed>) = 0 [pid 6244] chdir("./file0" [pid 6245] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6244] <... chdir resumed>) = 0 [pid 6241] <... futex resumed>) = 1 [pid 6240] <... futex resumed>) = 0 [pid 6248] <... write resumed>) = 1048576 [pid 6245] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6240] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6240] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6245] <... futex resumed>) = 1 [pid 6244] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6243] <... futex resumed>) = 0 [pid 6245] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6244] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... futex resumed>) = 1 [pid 6243] <... futex resumed>) = 0 [pid 6245] <... openat resumed>) = 4 [pid 6248] munmap(0x7f7087200000, 138412032 [pid 6244] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6243] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6241] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6245] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] <... futex resumed>) = 0 [pid 6245] <... futex resumed>) = 1 [pid 6243] <... futex resumed>) = 0 [pid 6239] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... futex resumed>) = 0 [pid 6243] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] <... futex resumed>) = 1 [pid 6248] <... munmap resumed>) = 0 [pid 6244] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6243] <... futex resumed>) = 0 [pid 6239] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 6245] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6243] <... futex resumed>) = 0 [pid 6243] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6243] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] pwrite64(5, "2", 1, 134220897) = 1 [pid 6245] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... futex resumed>) = 0 [pid 6243] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6243] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] <... futex resumed>) = 1 [ 233.106282][ T6244] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 233.113026][ T6246] UDF-fs: Scanning with blocksize 512 failed [ 233.141272][ T6246] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6245] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6244] <... openat resumed>) = 4 [pid 6248] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6244] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6248] <... openat resumed>) = 4 [pid 6239] <... futex resumed>) = 0 [pid 6248] ioctl(4, LOOP_SET_FD, 3 [pid 6244] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6239] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... openat resumed>) = 5 [pid 6239] <... futex resumed>) = 0 [pid 6244] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6244] <... futex resumed>) = 0 [pid 6239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6244] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6239] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... ioctl resumed>) = 0 [pid 6244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6244] pwrite64(5, "2", 1, 134220897 [pid 6239] <... futex resumed>) = 0 [pid 6244] <... pwrite64 resumed>) = 1 [pid 6239] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6244] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6239] <... futex resumed>) = 0 [pid 6244] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6239] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6248] close(3 [pid 6239] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6248] <... close resumed>) = 0 [pid 6248] close(4 [pid 6246] <... mount resumed>) = 0 [pid 6246] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6246] chdir("./file0" [pid 6248] <... close resumed>) = 0 [pid 6246] <... chdir resumed>) = 0 [pid 6246] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6248] mkdir("./file0", 0777 [pid 6246] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6246] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6246] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] <... mkdir resumed>) = 0 [pid 6242] <... futex resumed>) = 0 [pid 6242] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... futex resumed>) = 0 [pid 6242] <... futex resumed>) = 1 [pid 6242] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6246] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 6246] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6246] <... futex resumed>) = 1 [pid 6242] <... futex resumed>) = 0 [pid 6242] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6242] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6246] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6240] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6246] <... openat resumed>) = 5 [pid 6243] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6243] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6246] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6240] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... futex resumed>) = 1 [pid 6243] <... mmap resumed>) = 0x7f708f746000 [pid 6242] <... futex resumed>) = 0 [pid 6240] <... futex resumed>) = 0 [pid 6242] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6242] <... futex resumed>) = 0 [pid 6246] pwrite64(5, "2", 1, 134220897 [pid 6243] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6242] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6240] <... mmap resumed>) = 0x7f708f746000 [ 233.164665][ T6248] loop3: detected capacity change from 0 to 2048 [ 233.204081][ T6248] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [pid 6246] <... pwrite64 resumed>) = 1 [pid 6243] <... mprotect resumed>) = 0 [pid 6240] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6243] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6243] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6249]}, 88) = 6249 [pid 6246] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] rt_sigprocmask(SIG_SETMASK, [], [pid 6246] <... futex resumed>) = 1 [pid 6243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6242] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6249 attached [pid 6246] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6243] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] <... mprotect resumed>) = 0 [pid 6242] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6243] <... futex resumed>) = 0 [pid 6246] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6243] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6249] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6239] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... futex resumed>) = 0 [pid 6249] <... rseq resumed>) = 0 [pid 6239] <... futex resumed>) = 0 [pid 6242] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6249] set_robust_list(0x7f708f7669a0, 24 [pid 6240] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6249] <... set_robust_list resumed>) = 0 [pid 6240] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6239] <... mmap resumed>) = 0x7f708f746000 [pid 6240] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6239] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6250 attached [pid 6249] rt_sigprocmask(SIG_SETMASK, [], [pid 6239] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6250] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6249] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6240] <... clone3 resumed> => {parent_tid=[6250]}, 88) = 6250 [pid 6239] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6240] rt_sigprocmask(SIG_SETMASK, [], [pid 6250] <... rseq resumed>) = 0 [pid 6250] set_robust_list(0x7f708f7669a0, 24 [pid 6240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6239] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6250] <... set_robust_list resumed>) = 0 [pid 6240] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] rt_sigprocmask(SIG_SETMASK, [], [pid 6240] <... futex resumed>) = 0 [pid 6240] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6239] <... clone3 resumed> => {parent_tid=[6251]}, 88) = 6251 [pid 6250] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6239] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6239] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6239] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6251 attached [pid 6249] <... openat resumed>) = 6 [pid 6249] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6243] <... futex resumed>) = 0 [pid 6250] <... openat resumed>) = 6 [pid 6249] fdatasync(6 [pid 6243] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6243] <... futex resumed>) = 0 [pid 6251] <... rseq resumed>) = 0 [ 233.225933][ T6248] UDF-fs: Scanning with blocksize 512 failed [pid 6243] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6251] set_robust_list(0x7f708f7669a0, 24 [pid 6250] <... futex resumed>) = 1 [pid 6240] <... futex resumed>) = 0 [pid 6251] <... set_robust_list resumed>) = 0 [pid 6251] rt_sigprocmask(SIG_SETMASK, [], [pid 6250] fdatasync(6 [pid 6249] <... fdatasync resumed>) = 0 [pid 6242] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6240] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6249] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] <... futex resumed>) = 0 [pid 6242] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6242] <... futex resumed>) = 0 [pid 6242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6251] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6249] <... futex resumed>) = 1 [pid 6243] <... futex resumed>) = 0 [pid 6242] <... mmap resumed>) = 0x7f708f746000 [pid 6251] <... openat resumed>) = 6 [pid 6249] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6251] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] <... fdatasync resumed>) = 0 [pid 6248] <... mount resumed>) = 0 [pid 6242] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6251] <... futex resumed>) = 1 [pid 6239] <... futex resumed>) = 0 [pid 6242] <... mprotect resumed>) = 0 [pid 6239] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6242] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6239] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6242] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6251] fdatasync(6 [pid 6242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6248] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6252 attached [pid 6250] <... futex resumed>) = 1 [pid 6248] chdir("./file0" [pid 6245] <... write resumed>) = 843776 [pid 6241] <... write resumed>) = 843776 [pid 6240] <... futex resumed>) = 0 [pid 6252] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6248] <... chdir resumed>) = 0 [pid 6242] <... clone3 resumed> => {parent_tid=[6252]}, 88) = 6252 [pid 6252] <... rseq resumed>) = 0 [pid 6250] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6242] rt_sigprocmask(SIG_SETMASK, [], [pid 6241] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6241] <... futex resumed>) = 0 [pid 6240] exit_group(0) = ? [pid 6242] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] rt_sigprocmask(SIG_SETMASK, [], [pid 6251] <... fdatasync resumed>) = 0 [pid 6242] <... futex resumed>) = 0 [pid 6251] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] +++ exited with 0 +++ [pid 6252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6251] <... futex resumed>) = 1 [pid 6242] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] <... futex resumed>) = 0 [pid 6252] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6248] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6250] <... futex resumed>) = ? [pid 6252] <... openat resumed>) = 6 [pid 6252] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6242] <... futex resumed>) = 0 [pid 6252] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6242] <... futex resumed>) = 0 [pid 6252] fdatasync(6 [pid 6248] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6248] <... futex resumed>) = 1 [pid 6247] <... futex resumed>) = 0 [pid 6251] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6247] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6247] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6248] <... openat resumed>) = 4 [pid 6252] <... fdatasync resumed>) = 0 [pid 6244] <... write resumed>) = 843776 [pid 6245] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... futex resumed>) = 0 [pid 6244] <... futex resumed>) = 0 [pid 6245] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6243] exit_group(0 [pid 6252] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... futex resumed>) = ? [pid 6248] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... futex resumed>) = ? [pid 6243] <... exit_group resumed>) = ? [ 233.275617][ T6248] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6239] exit_group(0 [pid 6252] <... futex resumed>) = 1 [pid 6249] +++ exited with 0 +++ [pid 6248] <... futex resumed>) = 1 [pid 6247] <... futex resumed>) = 0 [pid 6245] +++ exited with 0 +++ [pid 6242] <... futex resumed>) = 0 [pid 6248] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6252] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6247] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] <... exit_group resumed>) = ? [pid 6247] <... futex resumed>) = 1 [pid 6251] <... futex resumed>) = ? [pid 6247] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6251] +++ exited with 0 +++ [pid 6248] <... futex resumed>) = 0 [pid 6248] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 6244] <... futex resumed>) = ? [pid 6250] +++ exited with 0 +++ [pid 6248] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... write resumed>) = 843776 [pid 6243] +++ exited with 0 +++ [pid 6240] +++ exited with 0 +++ [pid 6248] <... futex resumed>) = 1 [pid 6248] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... futex resumed>) = 0 [pid 6244] +++ exited with 0 +++ [pid 6239] +++ exited with 0 +++ [pid 6247] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... futex resumed>) = 0 [pid 6242] exit_group(0 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6239, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6243, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6240, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 6252] <... futex resumed>) = ? [pid 6248] <... futex resumed>) = 0 [pid 6247] <... futex resumed>) = 1 [pid 6242] <... exit_group resumed>) = ? [pid 5857] restart_syscall(<... resuming interrupted clone ...> [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 6252] +++ exited with 0 +++ [pid 6248] pwrite64(5, "2", 1, 134220897 [pid 6247] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6246] +++ exited with 0 +++ [pid 5857] <... restart_syscall resumed>) = 0 [pid 6248] <... pwrite64 resumed>) = 1 [pid 5859] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... restart_syscall resumed>) = 0 [pid 6248] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6248] <... futex resumed>) = 1 [pid 6247] <... futex resumed>) = 0 [pid 6248] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6247] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6247] <... futex resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5855] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6248] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6247] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 233.328977][ T6250] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 233.330251][ T6243] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 233.355201][ T6244] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5859] newfstatat(3, "", [pid 5857] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5855] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] getdents64(3, [pid 5857] newfstatat(3, "", [pid 5855] <... openat resumed>) = 3 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] newfstatat(3, "", [pid 5859] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] getdents64(3, [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] getdents64(3, [pid 5859] newfstatat(AT_FDCWD, "./25/binderfs", [pid 5857] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./25/binderfs", [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./25/binderfs" [pid 5859] unlink("./25/binderfs" [pid 5857] unlink("./25/binderfs" [pid 5855] <... unlink resumed>) = 0 [pid 5857] <... unlink resumed>) = 0 [pid 5859] <... unlink resumed>) = 0 [pid 5857] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6247] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6242] +++ exited with 0 +++ [pid 6247] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6242, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 6247] <... futex resumed>) = 0 [ 233.375394][ T6242] UDF-fs: warning (device loop1): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 233.393610][ T6242] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6248] <... write resumed>) = 843776 [pid 6247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6248] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6248] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6247] <... mmap resumed>) = 0x7f708f746000 [pid 5855] <... umount2 resumed>) = 0 [pid 6247] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./25/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 233.435954][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 233.454492][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5855] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5855] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 6247] <... mprotect resumed>) = 0 [pid 5856] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] close(4 [pid 6247] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5855] <... close resumed>) = 0 [pid 6247] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] rmdir("./25/file0" [pid 6247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5856] <... openat resumed>) = 3 [pid 5855] <... rmdir resumed>) = 0 [pid 5855] getdents64(3, [pid 6247] <... clone3 resumed> => {parent_tid=[6253]}, 88) = 6253 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6253 attached [pid 6247] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] newfstatat(3, "", [pid 5855] close(3 [pid 6253] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6253] <... rseq resumed>) = 0 [pid 6253] set_robust_list(0x7f708f7669a0, 24 [pid 6247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] getdents64(3, [pid 5855] <... close resumed>) = 0 [pid 6253] <... set_robust_list resumed>) = 0 [pid 6247] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... umount2 resumed>) = 0 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] rmdir("./25" [pid 6253] rt_sigprocmask(SIG_SETMASK, [], [pid 6247] <... futex resumed>) = 0 [pid 5859] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... rmdir resumed>) = 0 [pid 6253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6247] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6253] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5859] newfstatat(AT_FDCWD, "./25/file0", [pid 5856] newfstatat(AT_FDCWD, "./25/binderfs", [pid 6253] <... openat resumed>) = 6 [pid 5855] mkdir("./26", 0777 [pid 6253] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... mkdir resumed>) = 0 [pid 6253] <... futex resumed>) = 1 [pid 6247] <... futex resumed>) = 0 [pid 5859] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] unlink("./25/binderfs" [pid 6253] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6247] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6248] <... futex resumed>) = 0 [pid 6247] <... futex resumed>) = 1 [pid 5859] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] <... unlink resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6248] fdatasync(6 [pid 6247] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... openat resumed>) = 4 [pid 5856] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... openat resumed>) = 3 [pid 6248] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5859] newfstatat(4, "", [pid 5857] <... umount2 resumed>) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5859] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5859] close(4) = 0 [pid 5859] rmdir("./25/file0") = 0 [pid 5859] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5859] close(3 [pid 6248] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... close resumed>) = 0 [pid 5857] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] ioctl(3, LOOP_CLR_FD [pid 6248] <... futex resumed>) = 1 [pid 6247] <... futex resumed>) = 0 [pid 5859] rmdir("./25" [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6248] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6247] exit_group(0 [pid 5859] <... rmdir resumed>) = 0 [pid 5855] <... ioctl resumed>) = 0 [pid 6253] <... futex resumed>) = ? [pid 6248] <... futex resumed>) = ? [pid 6247] <... exit_group resumed>) = ? [ 233.479719][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5859] mkdir("./26", 0777 [pid 5855] close(3 [pid 6253] +++ exited with 0 +++ [pid 6248] +++ exited with 0 +++ [pid 5859] <... mkdir resumed>) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5857] newfstatat(AT_FDCWD, "./25/file0", [pid 5859] ioctl(3, LOOP_CLR_FD [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] <... ioctl resumed>) = 0 [pid 5857] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] close(3 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] <... close resumed>) = 0 [pid 5857] <... openat resumed>) = 4 [pid 5857] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] close(4) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5859] <... close resumed>) = 0 [pid 5857] rmdir("./25/file0"./strace-static-x86_64: Process 6254 attached ) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6254 [pid 6254] set_robust_list(0x55559362e6a0, 24 [pid 6247] +++ exited with 0 +++ [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] getdents64(3, [pid 6254] <... set_robust_list resumed>) = 0 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6247, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 6254] chdir("./26" [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] close(3 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6255 [pid 5857] <... close resumed>) = 0 [pid 5858] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] rmdir("./25" [pid 5858] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6255 attached [pid 6254] <... chdir resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5857] <... rmdir resumed>) = 0 [pid 5858] newfstatat(3, "", [pid 5857] mkdir("./26", 0777 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5858] getdents64(3, [pid 6254] <... prctl resumed>) = 0 [pid 6254] setpgid(0, 0 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] <... mkdir resumed>) = 0 [pid 6254] <... setpgid resumed>) = 0 [pid 5858] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] <... openat resumed>) = 3 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./25/binderfs", [pid 5857] ioctl(3, LOOP_CLR_FD) = 0 [pid 5857] close(3 [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6255] set_robust_list(0x55559362e6a0, 24 [pid 6254] <... openat resumed>) = 3 [pid 5858] unlink("./25/binderfs" [pid 5857] <... close resumed>) = 0 [pid 6255] <... set_robust_list resumed>) = 0 [ 233.534841][ T6247] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 233.566026][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 6254] write(3, "1000", 4 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6255] chdir("./26" [pid 6254] <... write resumed>) = 4 [pid 5858] <... unlink resumed>) = 0 [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6256 ./strace-static-x86_64: Process 6256 attached [pid 6255] <... chdir resumed>) = 0 [pid 6254] close(3 [pid 5858] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... umount2 resumed>) = 0 [pid 6254] <... close resumed>) = 0 [pid 6254] symlink("/dev/binderfs", "./binderfs" [pid 6255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6254] <... symlink resumed>) = 0 [pid 5856] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6255] <... prctl resumed>) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./25/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6256] set_robust_list(0x55559362e6a0, 24 [pid 5856] <... openat resumed>) = 4 [pid 6256] <... set_robust_list resumed>) = 0 [pid 5856] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(4, [pid 6256] chdir("./26" [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6256] <... chdir resumed>) = 0 [pid 5856] getdents64(4, [pid 6256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6256] <... prctl resumed>) = 0 [pid 5856] close(4 [pid 6256] setpgid(0, 0 [pid 5856] <... close resumed>) = 0 [pid 6256] <... setpgid resumed>) = 0 [pid 5856] rmdir("./25/file0" [pid 6256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... rmdir resumed>) = 0 [pid 6256] <... openat resumed>) = 3 [pid 5856] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] close(3 [pid 6256] write(3, "1000", 4 [pid 5856] <... close resumed>) = 0 [pid 6256] <... write resumed>) = 4 [pid 5856] rmdir("./25" [pid 6256] close(3 [pid 5856] <... rmdir resumed>) = 0 [pid 6256] <... close resumed>) = 0 [pid 6256] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5856] mkdir("./26", 0777executing program [pid 6256] write(1, "executing program\n", 18 [pid 6255] setpgid(0, 0 [pid 6254] write(1, "executing program\n", 18 [pid 5856] <... mkdir resumed>) = 0 [pid 6256] <... write resumed>) = 18 [pid 6255] <... setpgid resumed>) = 0 [pid 6256] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6256] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6256] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6256] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5856] <... openat resumed>) = 3 [pid 6256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 6256] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5856] <... ioctl resumed>) = 0 executing program [pid 6256] <... mprotect resumed>) = 0 [pid 6255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6254] <... write resumed>) = 18 [pid 5856] close(3 [pid 6254] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6255] <... openat resumed>) = 3 [pid 6254] <... futex resumed>) = 0 [pid 6255] write(3, "1000", 4 [pid 6254] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6255] <... write resumed>) = 4 [pid 6256] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6255] close(3 [pid 6254] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6256] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6255] <... close resumed>) = 0 [pid 6254] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6255] symlink("/dev/binderfs", "./binderfs" [pid 6254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6255] <... symlink resumed>) = 0 [pid 6254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 6255] write(1, "executing program\n", 18 [pid 6254] <... mmap resumed>) = 0x7f708f767000 [pid 6256] <... clone3 resumed> => {parent_tid=[6257]}, 88) = 6257 [pid 6256] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6256] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6256] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5856] <... close resumed>) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6259 attached , child_tidptr=0x55559362e690) = 6259 [pid 6259] set_robust_list(0x55559362e6a0, 24) = 0 [pid 6259] chdir("./26"./strace-static-x86_64: Process 6257 attached [pid 6255] <... write resumed>) = 18 [pid 6254] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6257] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6255] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... mprotect resumed>) = 0 [pid 6259] <... chdir resumed>) = 0 [pid 6259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6254] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6257] <... rseq resumed>) = 0 [pid 6255] <... futex resumed>) = 0 [pid 6257] set_robust_list(0x7f708f7879a0, 24 [pid 6255] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6254] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6259] <... prctl resumed>) = 0 [pid 6255] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6257] <... set_robust_list resumed>) = 0 [pid 6254] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6257] rt_sigprocmask(SIG_SETMASK, [], [pid 6255] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6259] setpgid(0, 0./strace-static-x86_64: Process 6260 attached [pid 6257] memfd_create("syzkaller", 0 [pid 6255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6254] <... clone3 resumed> => {parent_tid=[6260]}, 88) = 6260 [pid 6255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6257] <... memfd_create resumed>) = 3 [pid 6254] rt_sigprocmask(SIG_SETMASK, [], [pid 6257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6255] <... mmap resumed>) = 0x7f708f767000 [pid 6254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6255] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6260] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6259] <... setpgid resumed>) = 0 [pid 6257] <... mmap resumed>) = 0x7f7087200000 [pid 6260] <... rseq resumed>) = 0 [pid 6259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6255] <... mprotect resumed>) = 0 [pid 6254] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... openat resumed>) = 3 [pid 6260] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6260] rt_sigprocmask(SIG_SETMASK, [], [pid 6259] write(3, "1000", 4 [pid 6255] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6254] <... futex resumed>) = 0 [pid 6260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6259] <... write resumed>) = 4 [pid 6260] memfd_create("syzkaller", 0 [pid 6259] close(3 [pid 6260] <... memfd_create resumed>) = 3 [pid 6255] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6254] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6260] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6259] <... close resumed>) = 0 [pid 6260] <... mmap resumed>) = 0x7f7087200000 [pid 6259] symlink("/dev/binderfs", "./binderfs" [pid 6255] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6261 attached => {parent_tid=[6261]}, 88) = 6261 [pid 6255] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 6261] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6260] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6257] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6261] <... rseq resumed>) = 0 [pid 6259] <... symlink resumed>) = 0 [pid 6261] set_robust_list(0x7f708f7879a0, 24 [pid 6259] write(1, "executing program\n", 18 [pid 6261] <... set_robust_list resumed>) = 0 [pid 6259] <... write resumed>) = 18 [pid 6255] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] rt_sigprocmask(SIG_SETMASK, [], [pid 6259] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6259] <... futex resumed>) = 0 [pid 6261] memfd_create("syzkaller", 0 [pid 6259] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6261] <... memfd_create resumed>) = 3 [pid 6259] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6261] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 233.675222][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6259] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6261] <... mmap resumed>) = 0x7f7087200000 [pid 6259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6255] <... futex resumed>) = 0 [pid 6259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6255] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6259] <... mmap resumed>) = 0x7f708f767000 [pid 6259] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6259] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6259] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6262 attached => {parent_tid=[6262]}, 88) = 6262 [pid 6259] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6259] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6259] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6262] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 [pid 6262] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6262] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6261] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6262] memfd_create("syzkaller", 0) = 3 [pid 6262] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6260] <... write resumed>) = 1048576 [pid 6262] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6261] <... write resumed>) = 1048576 [pid 6260] munmap(0x7f7087200000, 138412032 [pid 6257] <... write resumed>) = 1048576 [pid 5858] <... umount2 resumed>) = 0 [pid 6257] munmap(0x7f7087200000, 138412032 [pid 5858] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6261] munmap(0x7f7087200000, 138412032 [pid 6260] <... munmap resumed>) = 0 [pid 6257] <... munmap resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./25/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6260] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5858] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6257] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6261] <... munmap resumed>) = 0 [pid 6260] <... openat resumed>) = 4 [pid 6257] <... openat resumed>) = 4 [pid 5858] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6257] ioctl(4, LOOP_SET_FD, 3 [pid 5858] <... openat resumed>) = 4 [pid 6262] <... write resumed>) = 1048576 [pid 6261] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6260] ioctl(4, LOOP_SET_FD, 3 [pid 5858] newfstatat(4, "", [pid 6262] munmap(0x7f7087200000, 138412032 [pid 6261] <... openat resumed>) = 4 [pid 6257] <... ioctl resumed>) = 0 [pid 6262] <... munmap resumed>) = 0 [pid 6257] close(3) = 0 [pid 6257] close(4 [pid 6261] ioctl(4, LOOP_SET_FD, 3 [pid 6257] <... close resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6260] <... ioctl resumed>) = 0 [pid 5858] getdents64(4, [pid 6260] close(3 [pid 6257] mkdir("./file0", 0777) = 0 [pid 6257] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6260] <... close resumed>) = 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6260] close(4 [pid 5858] getdents64(4, [pid 6262] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6260] <... close resumed>) = 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6262] <... openat resumed>) = 4 [pid 6262] ioctl(4, LOOP_SET_FD, 3) = 0 [ 233.791340][ T6257] loop2: detected capacity change from 0 to 2048 [ 233.796487][ T6260] loop0: detected capacity change from 0 to 2048 [ 233.812698][ T6261] loop4: detected capacity change from 0 to 2048 [ 233.834522][ T6262] loop1: detected capacity change from 0 to 2048 [pid 6262] close(3 [pid 6261] <... ioctl resumed>) = 0 [pid 6260] mkdir("./file0", 0777 [pid 5858] close(4 [pid 6262] <... close resumed>) = 0 [pid 6261] close(3 [pid 5858] <... close resumed>) = 0 [pid 6262] close(4 [pid 6261] <... close resumed>) = 0 [pid 6260] <... mkdir resumed>) = 0 [pid 5858] rmdir("./25/file0" [pid 6262] <... close resumed>) = 0 [pid 6261] close(4 [pid 6260] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 5858] <... rmdir resumed>) = 0 [pid 6261] <... close resumed>) = 0 [pid 5858] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] close(3 [pid 6261] mkdir("./file0", 0777 [pid 5858] <... close resumed>) = 0 [pid 5858] rmdir("./25" [pid 6262] mkdir("./file0", 0777 [pid 6261] <... mkdir resumed>) = 0 [pid 5858] <... rmdir resumed>) = 0 [pid 6261] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 5858] mkdir("./26", 0777 [pid 6262] <... mkdir resumed>) = 0 [pid 6262] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 5858] <... mkdir resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD) = 0 [ 233.844023][ T6257] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 233.863255][ T6257] UDF-fs: Scanning with blocksize 512 failed [ 233.867117][ T6260] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [pid 5858] close(3) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55559362e690) = 6263 ./strace-static-x86_64: Process 6263 attached [pid 6263] set_robust_list(0x55559362e6a0, 24) = 0 [pid 6263] chdir("./26") = 0 [pid 6263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 233.891804][ T6260] UDF-fs: Scanning with blocksize 512 failed [ 233.904081][ T6261] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 233.912185][ T6262] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 233.921596][ T6262] UDF-fs: Scanning with blocksize 512 failed [ 233.922886][ T6257] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 233.936518][ T6261] UDF-fs: Scanning with blocksize 512 failed [pid 6263] setpgid(0, 0) = 0 [pid 6263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6263] write(3, "1000", 4 [pid 6257] <... mount resumed>) = 0 [pid 6263] <... write resumed>) = 4 [pid 6257] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6263] close(3) = 0 [pid 6257] <... openat resumed>) = 3 [pid 6257] chdir("./file0") = 0 [pid 6263] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6262] <... mount resumed>) = 0 [pid 6261] <... mount resumed>) = 0 [pid 6260] <... mount resumed>) = 0 [pid 6257] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6263] write(1, "executing program\n", 18executing program [pid 6262] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6261] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6260] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6257] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6263] <... write resumed>) = 18 [pid 6262] <... openat resumed>) = 3 [pid 6261] <... openat resumed>) = 3 [pid 6260] <... openat resumed>) = 3 [pid 6257] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] chdir("./file0" [pid 6261] chdir("./file0" [pid 6260] chdir("./file0" [pid 6257] <... futex resumed>) = 1 [pid 6256] <... futex resumed>) = 0 [pid 6263] <... futex resumed>) = 0 [pid 6262] <... chdir resumed>) = 0 [pid 6261] <... chdir resumed>) = 0 [pid 6260] <... chdir resumed>) = 0 [pid 6257] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6256] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6262] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6261] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6260] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6256] <... futex resumed>) = 0 [pid 6263] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6262] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6261] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6260] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6257] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6256] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6263] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6262] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... openat resumed>) = 4 [pid 6263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6262] <... futex resumed>) = 1 [pid 6261] <... futex resumed>) = 1 [pid 6260] <... futex resumed>) = 1 [pid 6259] <... futex resumed>) = 0 [pid 6257] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... futex resumed>) = 0 [pid 6254] <... futex resumed>) = 0 [pid 6263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6262] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6259] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... futex resumed>) = 1 [pid 6256] <... futex resumed>) = 0 [pid 6255] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... mmap resumed>) = 0x7f708f767000 [pid 6262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6259] <... futex resumed>) = 0 [pid 6257] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6256] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... futex resumed>) = 0 [pid 6254] <... futex resumed>) = 0 [pid 6263] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6262] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6261] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6260] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6259] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6256] <... futex resumed>) = 0 [pid 6255] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6254] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6263] <... mprotect resumed>) = 0 [pid 6262] <... openat resumed>) = 4 [pid 6261] <... openat resumed>) = 4 [pid 6260] <... openat resumed>) = 4 [pid 6257] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6256] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6263] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6262] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... openat resumed>) = 5 [pid 6263] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6262] <... futex resumed>) = 1 [pid 6261] <... futex resumed>) = 1 [pid 6260] <... futex resumed>) = 1 [pid 6259] <... futex resumed>) = 0 [pid 6257] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... futex resumed>) = 0 [pid 6254] <... futex resumed>) = 0 [pid 6263] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6262] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6259] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... futex resumed>) = 1 [pid 6256] <... futex resumed>) = 0 [pid 6255] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6264 attached [pid 6262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6259] <... futex resumed>) = 0 [pid 6257] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6256] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... futex resumed>) = 0 [pid 6254] <... futex resumed>) = 0 [pid 6263] <... clone3 resumed> => {parent_tid=[6264]}, 88) = 6264 [pid 6262] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6261] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6260] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6259] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6256] <... futex resumed>) = 0 [pid 6254] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6264] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6263] rt_sigprocmask(SIG_SETMASK, [], [pid 6262] <... openat resumed>) = 5 [pid 6261] <... openat resumed>) = 5 [pid 6260] <... openat resumed>) = 5 [pid 6257] pwrite64(5, "2", 1, 134220897 [pid 6256] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6255] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6264] <... rseq resumed>) = 0 [pid 6263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6262] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... pwrite64 resumed>) = 1 [pid 6255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6264] set_robust_list(0x7f708f7879a0, 24 [pid 6263] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] <... futex resumed>) = 1 [pid 6261] <... futex resumed>) = 0 [pid 6260] <... futex resumed>) = 1 [pid 6259] <... futex resumed>) = 0 [pid 6257] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... futex resumed>) = 0 [pid 6255] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... set_robust_list resumed>) = 0 [pid 6263] <... futex resumed>) = 0 [pid 6262] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] pwrite64(5, "2", 1, 134220897 [ 233.950647][ T6260] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 233.962857][ T6261] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 233.976333][ T6262] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6260] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6259] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... futex resumed>) = 1 [pid 6256] <... futex resumed>) = 0 [pid 6255] <... futex resumed>) = 0 [pid 6254] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] rt_sigprocmask(SIG_SETMASK, [], [pid 6263] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6261] <... pwrite64 resumed>) = 1 [pid 6260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6259] <... futex resumed>) = 0 [pid 6257] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6256] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6254] <... futex resumed>) = 0 [pid 6264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6262] pwrite64(5, "2", 1, 134220897 [pid 6261] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] pwrite64(5, "2", 1, 134220897 [pid 6259] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6256] <... futex resumed>) = 0 [pid 6255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6254] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6264] memfd_create("syzkaller", 0 [pid 6262] <... pwrite64 resumed>) = 1 [pid 6261] <... futex resumed>) = 0 [pid 6260] <... pwrite64 resumed>) = 1 [pid 6257] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6256] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6255] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... memfd_create resumed>) = 3 [pid 6262] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6260] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... futex resumed>) = 0 [pid 6264] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6262] <... futex resumed>) = 1 [pid 6255] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6264] <... mmap resumed>) = 0x7f7087200000 [pid 6262] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] <... futex resumed>) = 1 [pid 6259] <... futex resumed>) = 0 [pid 6254] <... futex resumed>) = 0 [pid 6259] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6259] <... futex resumed>) = 0 [pid 6254] <... futex resumed>) = 0 [pid 6254] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6264] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6262] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6259] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6255] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6256] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6256] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6256] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6256] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6255] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... clone3 resumed> => {parent_tid=[6265]}, 88) = 6265 ./strace-static-x86_64: Process 6265 attached [pid 6256] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6256] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6256] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6265] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6265] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6265] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6265] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6255] <... futex resumed>) = 0 [pid 6254] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6254] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6265] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6265] <... futex resumed>) = 1 [pid 6259] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... futex resumed>) = 0 [pid 6259] <... futex resumed>) = 0 [pid 6256] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6256] <... futex resumed>) = 0 [pid 6259] <... mmap resumed>) = 0x7f708f746000 [pid 6256] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6259] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6259] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6266]}, 88) = 6266 [pid 6259] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6266 attached [pid 6265] fdatasync(6 [pid 6259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6266] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6265] <... fdatasync resumed>) = 0 [pid 6259] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6266] <... rseq resumed>) = 0 [pid 6265] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... write resumed>) = 1048576 [pid 6259] <... futex resumed>) = 0 [pid 6266] set_robust_list(0x7f708f7669a0, 24 [pid 6265] <... futex resumed>) = 1 [pid 6259] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] <... futex resumed>) = 0 [pid 6254] <... mmap resumed>) = 0x7f708f746000 [pid 6266] <... set_robust_list resumed>) = 0 [pid 6265] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6264] munmap(0x7f7087200000, 138412032) = 0 [pid 6255] <... mmap resumed>) = 0x7f708f746000 [pid 6254] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6266] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6266] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6264] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6255] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6254] <... mprotect resumed>) = 0 [pid 6264] <... openat resumed>) = 4 [pid 6254] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6264] ioctl(4, LOOP_SET_FD, 3 [pid 6255] <... mprotect resumed>) = 0 [pid 6254] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6266] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6266] <... futex resumed>) = 1 [pid 6259] <... futex resumed>) = 0 [pid 6266] fdatasync(6 [pid 6259] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... fdatasync resumed>) = 0 [pid 6259] <... futex resumed>) = 0 [pid 6266] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6266] <... futex resumed>) = 0 [pid 6259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6254] <... clone3 resumed> => {parent_tid=[6267]}, 88) = 6267 [pid 6254] rt_sigprocmask(SIG_SETMASK, [], [pid 6255] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6255] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6254] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6268 attached ./strace-static-x86_64: Process 6267 attached [pid 6264] <... ioctl resumed>) = 0 [pid 6257] <... write resumed>) = 843776 [pid 6254] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6255] <... clone3 resumed> => {parent_tid=[6268]}, 88) = 6268 [pid 6267] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6255] rt_sigprocmask(SIG_SETMASK, [], [pid 6254] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] set_robust_list(0x7f708f7669a0, 24 [pid 6255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6255] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... set_robust_list resumed>) = 0 [pid 6255] <... futex resumed>) = 0 [pid 6267] rt_sigprocmask(SIG_SETMASK, [], [pid 6255] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6267] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6264] close(3 [pid 6268] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6267] <... openat resumed>) = 6 [pid 6264] <... close resumed>) = 0 [pid 6264] close(4) = 0 [pid 6264] mkdir("./file0", 0777 [pid 6261] <... write resumed>) = 843776 [pid 6268] <... rseq resumed>) = 0 [ 234.129859][ T6264] loop3: detected capacity change from 0 to 2048 [pid 6267] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... mkdir resumed>) = 0 [pid 6260] <... write resumed>) = 843776 [pid 6257] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] set_robust_list(0x7f708f7669a0, 24 [pid 6267] <... futex resumed>) = 1 [pid 6264] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6257] <... futex resumed>) = 0 [pid 6256] exit_group(0 [pid 6254] <... futex resumed>) = 0 [pid 6268] <... set_robust_list resumed>) = 0 [pid 6265] <... futex resumed>) = ? [pid 6261] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... exit_group resumed>) = ? [pid 6254] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] rt_sigprocmask(SIG_SETMASK, [], [pid 6265] +++ exited with 0 +++ [pid 6261] <... futex resumed>) = 0 [pid 6260] <... futex resumed>) = 0 [pid 6254] <... futex resumed>) = 0 [pid 6268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6267] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] fdatasync(6 [pid 6254] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6260] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6268] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6260] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] <... openat resumed>) = 6 [pid 6260] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 0 [pid 6260] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6254] exit_group(0 [pid 6268] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... futex resumed>) = ? [pid 6260] <... futex resumed>) = ? [pid 6254] <... exit_group resumed>) = ? [pid 6260] +++ exited with 0 +++ [pid 6255] <... futex resumed>) = 0 [pid 6255] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... futex resumed>) = 0 [pid 6255] <... futex resumed>) = 1 [pid 6261] fdatasync(6 [pid 6255] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6261] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6261] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6255] <... futex resumed>) = 0 [pid 6255] exit_group(0) = ? [pid 6261] +++ exited with 0 +++ [pid 6268] <... futex resumed>) = ? [pid 6262] <... write resumed>) = 843776 [pid 6268] +++ exited with 0 +++ [pid 6262] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] +++ exited with 0 +++ [pid 6262] <... futex resumed>) = 0 [pid 6259] exit_group(0 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6255, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6266] <... futex resumed>) = ? [pid 6259] <... exit_group resumed>) = ? [pid 6266] +++ exited with 0 +++ [pid 6262] +++ exited with 0 +++ [ 234.187224][ T6267] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 234.200276][ T6268] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 234.201496][ T6257] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 234.223188][ T6264] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [pid 5859] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5859] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] unlink("./26/binderfs") = 0 [pid 5859] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6267] +++ exited with 0 +++ [pid 6254] +++ exited with 0 +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6254, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 6259] +++ exited with 0 +++ [pid 6257] +++ exited with 0 +++ [pid 6256] +++ exited with 0 +++ [pid 5855] <... restart_syscall resumed>) = 0 [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6256, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6259, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5855] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] <... openat resumed>) = 3 [pid 5855] <... openat resumed>) = 3 [pid 5857] newfstatat(3, "", [pid 5856] <... openat resumed>) = 3 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] newfstatat(3, "", [pid 5857] getdents64(3, [pid 5856] newfstatat(3, "", [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, [pid 5857] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] getdents64(3, [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] newfstatat(AT_FDCWD, "./26/binderfs", [pid 5856] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./26/binderfs", [pid 5857] unlink("./26/binderfs" [pid 5856] newfstatat(AT_FDCWD, "./26/binderfs", [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... unlink resumed>) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./26/binderfs" [pid 5857] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] unlink("./26/binderfs" [pid 5855] <... unlink resumed>) = 0 [pid 5856] <... unlink resumed>) = 0 [pid 5855] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 234.225062][ T6259] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 234.230858][ T6264] UDF-fs: Scanning with blocksize 512 failed [ 234.293339][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 234.312709][ T6264] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5856] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6264] <... mount resumed>) = 0 [pid 6264] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5859] <... umount2 resumed>) = 0 [pid 6264] <... openat resumed>) = 3 [pid 6264] chdir("./file0" [pid 5859] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6264] <... chdir resumed>) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6264] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5859] newfstatat(AT_FDCWD, "./26/file0", [pid 6264] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6263] <... futex resumed>) = 0 [pid 6264] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... umount2 resumed>) = 0 [pid 5855] <... umount2 resumed>) = 0 [pid 6264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6263] <... futex resumed>) = 0 [pid 5856] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6264] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6263] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./26/file0", [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./26/file0", [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6264] <... openat resumed>) = 4 [pid 5859] newfstatat(4, "", [pid 5856] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6264] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6264] <... futex resumed>) = 1 [pid 6263] <... futex resumed>) = 0 [pid 5859] getdents64(4, [pid 5856] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] <... openat resumed>) = 4 [pid 6264] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6263] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] <... openat resumed>) = 4 [pid 6263] <... futex resumed>) = 0 [pid 5859] getdents64(4, [pid 5855] newfstatat(4, "", [pid 6263] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6264] <... openat resumed>) = 5 [pid 5856] newfstatat(4, "", [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6264] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] close(4 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(4, [pid 6264] <... futex resumed>) = 1 [pid 6263] <... futex resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5856] getdents64(4, [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6264] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] rmdir("./26/file0" [pid 6264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6263] <... futex resumed>) = 0 [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] getdents64(4, [pid 6263] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] getdents64(4, [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6264] pwrite64(5, "2", 1, 134220897 [pid 5859] <... rmdir resumed>) = 0 [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] close(4 [pid 5856] close(4 [pid 5855] <... close resumed>) = 0 [ 234.330517][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 234.337889][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 234.359322][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5856] <... close resumed>) = 0 [pid 6264] <... pwrite64 resumed>) = 1 [pid 5859] getdents64(3, [pid 5857] <... umount2 resumed>) = 0 [pid 5856] rmdir("./26/file0" [pid 5855] rmdir("./26/file0" [pid 6264] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6264] <... futex resumed>) = 1 [pid 6263] <... futex resumed>) = 0 [pid 5859] close(3 [pid 5857] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... rmdir resumed>) = 0 [pid 6264] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... close resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... rmdir resumed>) = 0 [pid 6264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6263] <... futex resumed>) = 0 [pid 5859] rmdir("./26" [pid 6264] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6263] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] newfstatat(AT_FDCWD, "./26/file0", [pid 5856] getdents64(3, [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] getdents64(3, [pid 5859] <... rmdir resumed>) = 0 [pid 5857] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] close(3 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... close resumed>) = 0 [pid 5855] close(3 [pid 5857] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] rmdir("./26" [pid 5855] <... close resumed>) = 0 [pid 5857] <... openat resumed>) = 4 [pid 5856] <... rmdir resumed>) = 0 [pid 5855] rmdir("./26" [pid 5857] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... rmdir resumed>) = 0 [pid 5857] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] mkdir("./27", 0777 [pid 5857] getdents64(4, [pid 5856] <... mkdir resumed>) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] mkdir("./27", 0777 [pid 5857] close(4 [pid 5855] <... mkdir resumed>) = 0 [pid 5859] mkdir("./27", 0777 [pid 5857] <... close resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5859] <... mkdir resumed>) = 0 [pid 5857] rmdir("./26/file0" [pid 5856] <... openat resumed>) = 3 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5857] <... rmdir resumed>) = 0 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 5855] <... openat resumed>) = 3 [pid 5859] <... openat resumed>) = 3 [pid 5859] ioctl(3, LOOP_CLR_FD) = 0 [pid 5857] getdents64(3, [pid 5856] <... ioctl resumed>) = 0 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 5859] close(3 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] close(3 [pid 5855] <... ioctl resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] close(3) = 0 [pid 5857] rmdir("./26") = 0 [pid 5857] mkdir("./27", 0777./strace-static-x86_64: Process 6270 attached ) = 0 [pid 5856] <... close resumed>) = 0 [pid 5855] close(3 [pid 6270] set_robust_list(0x55559362e6a0, 24 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6270 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 6270] <... set_robust_list resumed>) = 0 [pid 5857] ioctl(3, LOOP_CLR_FD [pid 5855] <... close resumed>) = 0 [pid 5857] <... ioctl resumed>) = 0 [pid 6270] chdir("./27" [pid 5857] close(3 [pid 6270] <... chdir resumed>) = 0 [pid 6263] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6263] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6263] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6263] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6263] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6270] setpgid(0, 0 [pid 6264] <... write resumed>) = 843776 [pid 6263] <... clone3 resumed> => {parent_tid=[6271]}, 88) = 6271 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6270] <... setpgid resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6272 attached ./strace-static-x86_64: Process 6271 attached [pid 6270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6263] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6273 attached [pid 6271] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6270] <... openat resumed>) = 3 [pid 6264] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] <... close resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6272 [pid 6270] write(3, "1000", 4 [pid 6263] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... rseq resumed>) = 0 [pid 6263] <... futex resumed>) = 0 [pid 6272] set_robust_list(0x55559362e6a0, 24 [pid 6271] set_robust_list(0x7f708f7669a0, 24 [pid 6270] <... write resumed>) = 4 [pid 6264] <... futex resumed>) = 0 [pid 6263] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6273] set_robust_list(0x55559362e6a0, 24 [pid 6272] <... set_robust_list resumed>) = 0 [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6273 [pid 6272] chdir("./27" [pid 6271] <... set_robust_list resumed>) = 0 [pid 6273] <... set_robust_list resumed>) = 0 [pid 6271] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6271] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6271] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6263] <... futex resumed>) = 0 [pid 6263] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6263] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] <... chdir resumed>) = 0 [pid 6271] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6274 attached [pid 6272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6272] setpgid(0, 0) = 0 [pid 6274] set_robust_list(0x55559362e6a0, 24 [pid 6272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6274] <... set_robust_list resumed>) = 0 [pid 6272] <... openat resumed>) = 3 [pid 6274] chdir("./27" [pid 6272] write(3, "1000", 4) = 4 [pid 6273] chdir("./27" [pid 6270] close(3 [pid 6264] fdatasync(6 [pid 6273] <... chdir resumed>) = 0 [pid 6274] <... chdir resumed>) = 0 [pid 6272] close(3 [pid 6274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6272] <... close resumed>) = 0 [pid 6274] <... prctl resumed>) = 0 [pid 6272] symlink("/dev/binderfs", "./binderfs" [pid 6274] setpgid(0, 0 [pid 6272] <... symlink resumed>) = 0 executing program [pid 6272] write(1, "executing program\n", 18) = 18 [pid 6272] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6272] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6274] <... setpgid resumed>) = 0 [pid 6272] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6273] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6272] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6270] <... close resumed>) = 0 [pid 6264] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6274 [pid 6274] <... openat resumed>) = 3 [pid 6272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6264] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] write(3, "1000", 4 [pid 6273] <... prctl resumed>) = 0 [pid 6272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 executing program [pid 6270] symlink("/dev/binderfs", "./binderfs" [pid 6264] <... futex resumed>) = 1 [pid 6263] <... futex resumed>) = 0 [pid 6274] <... write resumed>) = 4 [pid 6273] setpgid(0, 0) = 0 [pid 6264] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] exit_group(0 [pid 6273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6271] <... futex resumed>) = ? [pid 6264] <... futex resumed>) = ? [pid 6263] <... exit_group resumed>) = ? [pid 6270] <... symlink resumed>) = 0 [pid 6273] <... openat resumed>) = 3 [pid 6271] +++ exited with 0 +++ [pid 6272] <... mmap resumed>) = 0x7f708f767000 [pid 6274] close(3) = 0 [pid 6274] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6272] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6272] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6274] write(1, "executing program\n", 18) = 18 [pid 6274] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6272] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6275 attached [pid 6274] <... futex resumed>) = 0 [pid 6274] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6272] <... clone3 resumed> => {parent_tid=[6275]}, 88) = 6275 [pid 6274] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6272] rt_sigprocmask(SIG_SETMASK, [], [pid 6274] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6272] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6272] <... futex resumed>) = 0 [pid 6274] <... mmap resumed>) = 0x7f708f767000 [pid 6272] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6274] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6274] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6275] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 [pid 6275] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6274] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6275] rt_sigprocmask(SIG_SETMASK, [], [pid 6274] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6276 attached [pid 6275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6275] memfd_create("syzkaller", 0 [pid 6274] <... clone3 resumed> => {parent_tid=[6276]}, 88) = 6276 executing program [pid 6273] write(3, "1000", 4 [pid 6270] write(1, "executing program\n", 18 [pid 6276] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6274] rt_sigprocmask(SIG_SETMASK, [], [pid 6276] <... rseq resumed>) = 0 [pid 6273] <... write resumed>) = 4 [pid 6270] <... write resumed>) = 18 [pid 6276] set_robust_list(0x7f708f7879a0, 24 [pid 6275] <... memfd_create resumed>) = 3 [pid 6274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6270] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6274] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] close(3 [pid 6270] <... futex resumed>) = 0 [pid 6276] <... set_robust_list resumed>) = 0 [pid 6274] <... futex resumed>) = 0 [pid 6276] rt_sigprocmask(SIG_SETMASK, [], [pid 6274] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6273] <... close resumed>) = 0 [pid 6270] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6264] +++ exited with 0 +++ [pid 6263] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6263, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6270] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6273] symlink("/dev/binderfs", "./binderfs" [pid 6270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6276] memfd_create("syzkaller", 0 [pid 6270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6276] <... memfd_create resumed>) = 3 [pid 6270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6273] <... symlink resumed>) = 0 [pid 6276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6273] write(1, "executing program\n", 18executing program [pid 6270] <... mmap resumed>) = 0x7f708f767000 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6270] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6273] <... write resumed>) = 18 [pid 5858] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6270] <... mprotect resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 6276] <... mmap resumed>) = 0x7f7087200000 [pid 6275] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6273] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] newfstatat(3, "", [pid 6273] <... futex resumed>) = 0 [pid 6270] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6273] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6273] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5858] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6273] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6270] <... clone3 resumed> => {parent_tid=[6277]}, 88) = 6277 [pid 6273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6270] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6273] <... mmap resumed>) = 0x7f708f767000 [pid 6270] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] newfstatat(AT_FDCWD, "./26/binderfs", [pid 6273] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6270] <... futex resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 234.536759][ T6264] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 ./strace-static-x86_64: Process 6277 attached [pid 6273] <... mprotect resumed>) = 0 [pid 6270] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5858] unlink("./26/binderfs" [pid 6277] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6273] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] <... unlink resumed>) = 0 [pid 6277] <... rseq resumed>) = 0 [pid 5858] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6277] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6277] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6277] memfd_create("syzkaller", 0) = 3 [pid 6277] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6277] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6276] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6273] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6278 attached => {parent_tid=[6278]}, 88) = 6278 [pid 6273] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6273] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6277] <... write resumed>) = 1048576 [pid 6273] <... futex resumed>) = 0 [pid 6277] munmap(0x7f7087200000, 138412032 [pid 6273] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6278] <... rseq resumed>) = 0 [pid 6278] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6278] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6277] <... munmap resumed>) = 0 [pid 6276] <... write resumed>) = 1048576 [pid 6277] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6278] memfd_create("syzkaller", 0 [pid 6277] <... openat resumed>) = 4 [pid 6276] munmap(0x7f7087200000, 138412032 [pid 6275] <... write resumed>) = 1048576 [pid 6277] ioctl(4, LOOP_SET_FD, 3 [pid 6278] <... memfd_create resumed>) = 3 [pid 6278] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6277] <... ioctl resumed>) = 0 [pid 6276] <... munmap resumed>) = 0 [pid 6275] munmap(0x7f7087200000, 138412032 [pid 6277] close(3 [pid 6276] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6278] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6277] <... close resumed>) = 0 [pid 6276] <... openat resumed>) = 4 [pid 6275] <... munmap resumed>) = 0 [pid 6277] close(4 [pid 6276] ioctl(4, LOOP_SET_FD, 3 [pid 6277] <... close resumed>) = 0 [pid 6275] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6277] mkdir("./file0", 0777 [pid 6276] <... ioctl resumed>) = 0 [pid 6275] <... openat resumed>) = 4 [ 234.651256][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 234.671337][ T6277] loop4: detected capacity change from 0 to 2048 [ 234.693053][ T6276] loop2: detected capacity change from 0 to 2048 [pid 6275] ioctl(4, LOOP_SET_FD, 3 [pid 6277] <... mkdir resumed>) = 0 [pid 6277] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6276] close(3) = 0 [pid 6276] close(4) = 0 [pid 6275] <... ioctl resumed>) = 0 [pid 6278] <... write resumed>) = 1048576 [pid 6276] mkdir("./file0", 0777 [pid 6275] close(3 [pid 5858] <... umount2 resumed>) = 0 [pid 6275] <... close resumed>) = 0 [pid 6275] close(4) = 0 [pid 6276] <... mkdir resumed>) = 0 [pid 5858] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6278] munmap(0x7f7087200000, 138412032 [pid 6276] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6275] mkdir("./file0", 0777 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./26/file0", [pid 6275] <... mkdir resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6278] <... munmap resumed>) = 0 [pid 6275] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 5858] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 234.708454][ T6275] loop0: detected capacity change from 0 to 2048 [ 234.724130][ T6277] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 234.740763][ T6276] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [pid 6278] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6278] ioctl(4, LOOP_SET_FD, 3 [pid 5858] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5858] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6278] <... ioctl resumed>) = 0 [pid 5858] getdents64(4, [pid 6278] close(3) = 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6278] close(4 [pid 5858] getdents64(4, [pid 6278] <... close resumed>) = 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6278] mkdir("./file0", 0777 [pid 5858] close(4) = 0 [ 234.754789][ T6277] UDF-fs: Scanning with blocksize 512 failed [ 234.761372][ T6276] UDF-fs: Scanning with blocksize 512 failed [ 234.770597][ T6278] loop1: detected capacity change from 0 to 2048 [ 234.783791][ T6275] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 234.784690][ T6277] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 234.791461][ T6275] UDF-fs: Scanning with blocksize 512 failed [pid 6278] <... mkdir resumed>) = 0 [pid 5858] rmdir("./26/file0" [pid 6278] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 5858] <... rmdir resumed>) = 0 [pid 5858] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] close(3 [pid 6277] <... mount resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 6277] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5858] rmdir("./26") = 0 [pid 6277] <... openat resumed>) = 3 [pid 5858] mkdir("./27", 0777 [pid 6277] chdir("./file0") = 0 [pid 5858] <... mkdir resumed>) = 0 [pid 6277] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 6277] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5858] ioctl(3, LOOP_CLR_FD [pid 6277] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... ioctl resumed>) = 0 [pid 6277] <... futex resumed>) = 1 [pid 6270] <... futex resumed>) = 0 [pid 5858] close(3 [pid 6277] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] <... close resumed>) = 0 [ 234.820326][ T6276] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 234.840631][ T6275] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6276] <... mount resumed>) = 0 [pid 6275] <... mount resumed>) = 0 [pid 6270] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6277] <... futex resumed>) = 0 [pid 6275] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6277] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 6276] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6275] <... openat resumed>) = 3 [pid 6270] <... futex resumed>) = 1 [pid 6277] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] chdir("./file0" [pid 6270] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6279 [pid 6277] <... futex resumed>) = 0 [pid 6275] <... chdir resumed>) = 0 [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6270] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6277] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6270] <... futex resumed>) = 0 [pid 6275] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6279 attached [pid 6277] <... openat resumed>) = 5 [pid 6276] <... openat resumed>) = 3 [pid 6275] <... futex resumed>) = 1 [pid 6272] <... futex resumed>) = 0 [pid 6270] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] <... futex resumed>) = 0 [pid 6270] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] pwrite64(5, "2", 1, 134220897 [pid 6270] <... futex resumed>) = 0 [pid 6277] <... pwrite64 resumed>) = 1 [pid 6276] chdir("./file0" [pid 6272] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] <... futex resumed>) = 0 [pid 6277] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6270] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] <... chdir resumed>) = 0 [pid 6272] <... futex resumed>) = 1 [pid 6276] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6272] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] set_robust_list(0x55559362e6a0, 24 [pid 6276] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 234.864005][ T6278] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [pid 6276] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... set_robust_list resumed>) = 0 [pid 6275] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = 0 [pid 6275] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6270] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] chdir("./27" [pid 6276] <... futex resumed>) = 1 [pid 6274] <... futex resumed>) = 0 [pid 6275] <... openat resumed>) = 4 [pid 6275] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6279] <... chdir resumed>) = 0 [pid 6276] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6275] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6274] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... futex resumed>) = 0 [pid 6274] <... futex resumed>) = 0 [pid 6272] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6276] <... openat resumed>) = 4 [pid 6275] <... futex resumed>) = 0 [pid 6274] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] <... futex resumed>) = 1 [pid 6279] <... prctl resumed>) = 0 [pid 6276] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6279] setpgid(0, 0 [pid 6276] <... futex resumed>) = 0 [pid 6275] <... openat resumed>) = 5 [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] <... setpgid resumed>) = 0 [pid 6276] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6275] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6274] <... futex resumed>) = 0 [pid 6272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6276] <... openat resumed>) = 5 [pid 6279] <... openat resumed>) = 3 [pid 6276] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... futex resumed>) = 0 [pid 6274] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] write(3, "1000", 4) = 4 [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] <... futex resumed>) = 0 [pid 6279] close(3 [pid 6274] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... close resumed>) = 0 [pid 6276] <... futex resumed>) = 0 [pid 6275] pwrite64(5, "2", 1, 134220897 [pid 6272] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] symlink("/dev/binderfs", "./binderfs" [pid 6276] pwrite64(5, "2", 1, 134220897 [pid 6275] <... pwrite64 resumed>) = 1 [pid 6274] <... futex resumed>) = 0 [pid 6279] <... symlink resumed>) = 0 [pid 6276] <... pwrite64 resumed>) = 1 [pid 6275] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6274] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] write(1, "executing program\n", 18 [pid 6276] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... futex resumed>) = 1 [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] <... futex resumed>) = 0 [pid 6279] <... write resumed>) = 18 [pid 6274] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... futex resumed>) = 0 [pid 6272] <... futex resumed>) = 0 [pid 6279] <... futex resumed>) = 0 [pid 6274] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6275] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6279] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6276] <... futex resumed>) = 1 [pid 6274] <... futex resumed>) = 0 [pid 6279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6279] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6279] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6276] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6274] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=41000000} [pid 6279] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6280 attached [pid 6280] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6279] <... clone3 resumed> => {parent_tid=[6280]}, 88) = 6280 [pid 6280] <... rseq resumed>) = 0 [pid 6279] rt_sigprocmask(SIG_SETMASK, [], [pid 6280] set_robust_list(0x7f708f7879a0, 24 [pid 6279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6280] <... set_robust_list resumed>) = 0 [pid 6279] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] rt_sigprocmask(SIG_SETMASK, [], [ 234.871720][ T6278] UDF-fs: Scanning with blocksize 512 failed [pid 6279] <... futex resumed>) = 0 [pid 6280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6279] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6270] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6270] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6280] memfd_create("syzkaller", 0) = 3 [pid 6280] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6280] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6270] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6270] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6278] <... mount resumed>) = 0 [pid 6270] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6278] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6270] <... clone3 resumed> => {parent_tid=[6281]}, 88) = 6281 ./strace-static-x86_64: Process 6281 attached [pid 6278] chdir("./file0" [pid 6272] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6270] rt_sigprocmask(SIG_SETMASK, [], [pid 6281] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6278] <... chdir resumed>) = 0 [pid 6272] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6281] set_robust_list(0x7f708f7669a0, 24 [pid 6278] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6272] <... futex resumed>) = 0 [pid 6270] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] <... set_robust_list resumed>) = 0 [pid 6278] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6270] <... futex resumed>) = 0 [pid 6281] rt_sigprocmask(SIG_SETMASK, [], [pid 6278] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... mmap resumed>) = 0x7f708f746000 [pid 6281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6278] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = 0 [pid 6272] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6270] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6281] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6278] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... mprotect resumed>) = 0 [pid 6278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6273] <... futex resumed>) = 0 [pid 6272] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6281] <... openat resumed>) = 6 [pid 6278] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6274] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6273] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6274] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6282]}, 88) = 6282 [pid 6272] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6272] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6272] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6282 attached [pid 6282] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6282] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6282] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6278] <... openat resumed>) = 4 [pid 6278] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6273] <... futex resumed>) = 0 [pid 6278] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6273] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... openat resumed>) = 5 [pid 6273] <... futex resumed>) = 0 [pid 6282] <... futex resumed>) = 1 [pid 6278] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] <... futex resumed>) = 0 [pid 6278] <... futex resumed>) = 0 [pid 6277] <... write resumed>) = 843776 [pid 6274] <... futex resumed>) = 0 [pid 6273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] pwrite64(5, "2", 1, 134220897 [pid 6273] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... futex resumed>) = 0 [pid 6273] <... futex resumed>) = 0 [pid 6272] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6273] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] fdatasync(6 [pid 6278] <... pwrite64 resumed>) = 1 [pid 6282] <... fdatasync resumed>) = 0 [pid 6281] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6282] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = 0 [pid 6282] <... futex resumed>) = 1 [ 234.957714][ T6278] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6273] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... futex resumed>) = 0 [pid 6278] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6273] <... futex resumed>) = 0 [pid 6282] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6281] <... futex resumed>) = 1 [pid 6274] <... mmap resumed>) = 0x7f708f746000 [pid 6270] <... futex resumed>) = 0 [pid 6281] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6274] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6270] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6274] <... mprotect resumed>) = 0 [pid 6270] <... futex resumed>) = 0 [pid 6270] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... write resumed>) = 1048576 [pid 6274] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6280] munmap(0x7f7087200000, 138412032) = 0 [pid 6280] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6280] ioctl(4, LOOP_SET_FD, 3 [pid 6281] fdatasync(6 [pid 6277] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6277] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6283 attached [pid 6281] <... fdatasync resumed>) = 0 [pid 6277] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6274] <... clone3 resumed> => {parent_tid=[6283]}, 88) = 6283 [pid 6283] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6281] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] rt_sigprocmask(SIG_SETMASK, [], [pid 6283] <... rseq resumed>) = 0 [pid 6281] <... futex resumed>) = 1 [pid 6270] <... futex resumed>) = 0 [pid 6283] set_robust_list(0x7f708f7669a0, 24 [pid 6281] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6283] <... set_robust_list resumed>) = 0 [pid 6270] exit_group(0 [pid 6283] rt_sigprocmask(SIG_SETMASK, [], [pid 6281] <... futex resumed>) = ? [pid 6277] <... futex resumed>) = ? [pid 6283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6270] <... exit_group resumed>) = ? [pid 6281] +++ exited with 0 +++ [pid 6283] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6277] +++ exited with 0 +++ [pid 6274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6270] +++ exited with 0 +++ [pid 6274] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6270, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6283] <... futex resumed>) = 0 [pid 6274] <... futex resumed>) = 1 [pid 6283] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6274] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6283] <... openat resumed>) = 6 [pid 5859] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6283] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6283] <... futex resumed>) = 1 [pid 6274] <... futex resumed>) = 0 [pid 6283] fdatasync(6 [pid 6280] <... ioctl resumed>) = 0 [pid 6274] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... openat resumed>) = 3 [pid 6280] close(3 [pid 6274] <... futex resumed>) = 0 [pid 5859] newfstatat(3, "", [pid 6283] <... fdatasync resumed>) = 0 [pid 6274] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6283] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6283] <... futex resumed>) = 0 [pid 5859] getdents64(3, [pid 6283] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6280] <... close resumed>) = 0 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6280] close(4 [pid 5859] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6280] <... close resumed>) = 0 [pid 6280] mkdir("./file0", 0777) = 0 [pid 6280] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] unlink("./27/binderfs" [pid 6276] <... write resumed>) = 843776 [pid 6275] <... write resumed>) = 843776 [pid 6273] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 235.029274][ T6280] loop3: detected capacity change from 0 to 2048 [ 235.069133][ T6280] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [pid 5859] <... unlink resumed>) = 0 [pid 6276] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6276] <... futex resumed>) = 0 [pid 6275] <... futex resumed>) = 0 [pid 6273] <... futex resumed>) = 0 [pid 6276] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6274] exit_group(0 [pid 6273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6272] exit_group(0 [pid 6282] <... futex resumed>) = ? [pid 6273] <... mmap resumed>) = 0x7f708f746000 [pid 6272] <... exit_group resumed>) = ? [pid 6282] +++ exited with 0 +++ [pid 6273] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6273] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6284 attached [pid 6284] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6273] <... clone3 resumed> => {parent_tid=[6284]}, 88) = 6284 [pid 6284] <... rseq resumed>) = 0 [pid 6273] rt_sigprocmask(SIG_SETMASK, [], [pid 6284] set_robust_list(0x7f708f7669a0, 24 [pid 6273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6284] <... set_robust_list resumed>) = 0 [pid 6283] <... futex resumed>) = ? [pid 6276] <... futex resumed>) = ? [pid 6274] <... exit_group resumed>) = ? [pid 6276] +++ exited with 0 +++ [pid 6284] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6284] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6284] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6273] <... futex resumed>) = 0 [pid 6273] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6284] <... openat resumed>) = 6 [pid 6284] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6273] <... futex resumed>) = 0 [pid 6284] fdatasync(6 [pid 6273] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6273] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... mount resumed>) = 0 [pid 6284] <... fdatasync resumed>) = 0 [ 235.080085][ T6280] UDF-fs: Scanning with blocksize 512 failed [ 235.095493][ T6280] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6284] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6273] <... futex resumed>) = 0 [pid 6284] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6280] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6280] chdir("./file0") = 0 [pid 6280] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6280] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6279] <... futex resumed>) = 0 [pid 6280] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6279] <... futex resumed>) = 0 [pid 6280] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6279] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6278] <... write resumed>) = 843776 [pid 6280] <... openat resumed>) = 4 [pid 6280] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6279] <... futex resumed>) = 0 [pid 6279] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6279] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 6278] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... futex resumed>) = 0 [pid 6279] <... futex resumed>) = 0 [pid 6280] <... futex resumed>) = 1 [pid 6279] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] pwrite64(5, "2", 1, 134220897 [pid 6279] <... futex resumed>) = 0 [pid 6278] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6280] <... pwrite64 resumed>) = 1 [pid 6279] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6273] exit_group(0 [pid 6284] <... futex resumed>) = ? [pid 6278] <... futex resumed>) = ? [pid 6273] <... exit_group resumed>) = ? [pid 6284] +++ exited with 0 +++ [pid 6280] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] +++ exited with 0 +++ [ 235.117989][ T6275] UDF-fs: warning (device loop0): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 235.135426][ T6283] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 235.150176][ T6273] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6283] +++ exited with 0 +++ [pid 6280] <... futex resumed>) = 1 [pid 6274] +++ exited with 0 +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6274, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6280] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5857] restart_syscall(<... resuming interrupted clone ...> [pid 6279] <... futex resumed>) = 0 [pid 6279] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6280] <... futex resumed>) = 0 [pid 6280] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6275] +++ exited with 0 +++ [pid 6273] +++ exited with 0 +++ [pid 6272] +++ exited with 0 +++ [pid 5857] <... restart_syscall resumed>) = 0 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6273, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6272, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 6279] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", [pid 5856] <... openat resumed>) = 3 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] newfstatat(3, "", [pid 5855] getdents64(3, [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] getdents64(3, [pid 5855] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] unlink("./27/binderfs" [pid 5857] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, [pid 5855] <... unlink resumed>) = 0 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./27/binderfs", [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] unlink("./27/binderfs" [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... unlink resumed>) = 0 [pid 5857] newfstatat(AT_FDCWD, "./27/binderfs", [pid 5856] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./27/binderfs") = 0 [pid 5857] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... umount2 resumed>) = 0 [ 235.171866][ T6275] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5859] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(AT_FDCWD, "./27/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6279] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5859] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6279] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... openat resumed>) = 4 [pid 6279] <... futex resumed>) = 0 [pid 5859] newfstatat(4, "", [pid 6279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6279] <... mmap resumed>) = 0x7f708f746000 [pid 5859] getdents64(4, [pid 6279] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6279] <... mprotect resumed>) = 0 [pid 5859] getdents64(4, [pid 6279] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6279] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] close(4 [pid 6279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5859] <... close resumed>) = 0 ./strace-static-x86_64: Process 6285 attached [pid 6280] <... write resumed>) = 843776 [pid 5859] rmdir("./27/file0" [pid 6279] <... clone3 resumed> => {parent_tid=[6285]}, 88) = 6285 [pid 6279] rt_sigprocmask(SIG_SETMASK, [], [pid 6285] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6280] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... rmdir resumed>) = 0 [pid 6285] <... rseq resumed>) = 0 [pid 6280] <... futex resumed>) = 0 [pid 5859] getdents64(3, [pid 6285] set_robust_list(0x7f708f7669a0, 24 [pid 6280] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6285] <... set_robust_list resumed>) = 0 [pid 6285] rt_sigprocmask(SIG_SETMASK, [], [pid 6279] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] close(3 [pid 6279] <... futex resumed>) = 0 [pid 6279] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... close resumed>) = 0 [pid 6285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] rmdir("./27" [pid 6285] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5859] <... rmdir resumed>) = 0 [pid 6285] <... openat resumed>) = 6 [pid 5859] mkdir("./28", 0777 [pid 6285] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6279] <... futex resumed>) = 0 [pid 5859] <... mkdir resumed>) = 0 [pid 6279] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6279] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6285] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6280] <... futex resumed>) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6280] fdatasync(6) = -1 EIO (Input/output error) [pid 5859] <... openat resumed>) = 3 [ 235.266077][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [ 235.271617][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6280] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] ioctl(3, LOOP_CLR_FD [pid 6280] <... futex resumed>) = 1 [pid 6280] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] <... ioctl resumed>) = 0 [pid 5859] close(3) = 0 [pid 6279] <... futex resumed>) = 0 [pid 5855] <... umount2 resumed>) = 0 [pid 6279] exit_group(0 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6285] <... futex resumed>) = ? [pid 6280] <... futex resumed>) = ? [pid 6279] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6287 attached [pid 6285] +++ exited with 0 +++ [pid 6280] +++ exited with 0 +++ [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6287 [pid 5855] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./27/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5855] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] close(4) = 0 [pid 5855] rmdir("./27/file0" [pid 6287] set_robust_list(0x55559362e6a0, 24 [pid 5855] <... rmdir resumed>) = 0 [pid 5855] getdents64(3, [pid 6287] <... set_robust_list resumed>) = 0 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] close(3 [pid 6287] chdir("./28" [pid 5855] <... close resumed>) = 0 [pid 5855] rmdir("./27" [pid 6287] <... chdir resumed>) = 0 [pid 5856] <... umount2 resumed>) = 0 [pid 5855] <... rmdir resumed>) = 0 [pid 6287] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] mkdir("./28", 0777) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5855] ioctl(3, LOOP_CLR_FD) = 0 [pid 5855] close(3 [pid 6279] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6279, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 6287] <... prctl resumed>) = 0 [pid 5858] <... restart_syscall resumed>) = 0 [pid 5856] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6287] setpgid(0, 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6287] <... setpgid resumed>) = 0 [pid 5856] newfstatat(AT_FDCWD, "./27/file0", [pid 6287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5858] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./27/binderfs") = 0 [pid 5858] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6287] <... openat resumed>) = 3 [pid 5856] <... openat resumed>) = 4 [pid 6287] write(3, "1000", 4 [pid 5856] newfstatat(4, "", [pid 6287] <... write resumed>) = 4 [pid 6287] close(3 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 235.304303][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 235.347255][ T6279] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6287] <... close resumed>) = 0 [pid 5856] getdents64(4, [pid 5857] <... umount2 resumed>) = 0 [pid 5857] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6287] symlink("/dev/binderfs", "./binderfs" [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6287] <... symlink resumed>) = 0 [pid 5857] newfstatat(AT_FDCWD, "./27/file0", [pid 5856] getdents64(4, [pid 6287] write(1, "executing program\n", 18 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 executing program [pid 6287] <... write resumed>) = 18 [pid 5857] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] close(4 [pid 6287] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... close resumed>) = 0 [pid 6287] <... futex resumed>) = 0 [pid 5857] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] rmdir("./27/file0" [pid 6287] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 5857] <... openat resumed>) = 4 [pid 5856] <... rmdir resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 6287] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5857] newfstatat(4, "", [pid 5856] getdents64(3, [pid 6287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6287] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5856] close(3 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] <... close resumed>) = 0 [pid 6287] <... mprotect resumed>) = 0 [pid 5856] rmdir("./27" [pid 6287] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6288 [pid 6287] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5857] getdents64(4, [pid 5856] <... rmdir resumed>) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6287] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5856] mkdir("./28", 0777./strace-static-x86_64: Process 6288 attached ) = 0 ./strace-static-x86_64: Process 6289 attached [pid 6288] set_robust_list(0x55559362e6a0, 24 [pid 6287] <... clone3 resumed> => {parent_tid=[6289]}, 88) = 6289 [pid 5857] getdents64(4, [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6288] <... set_robust_list resumed>) = 0 [pid 6287] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] <... openat resumed>) = 3 [pid 6288] chdir("./28" [pid 6287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] close(4 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 6288] <... chdir resumed>) = 0 [pid 6287] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... close resumed>) = 0 [pid 5856] <... ioctl resumed>) = 0 [pid 6287] <... futex resumed>) = 0 [pid 6288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] close(3 [pid 6288] <... prctl resumed>) = 0 [pid 6287] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5857] rmdir("./27/file0") = 0 [pid 6288] setpgid(0, 0 [pid 5857] getdents64(3, [pid 6289] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6288] <... setpgid resumed>) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6289] <... rseq resumed>) = 0 [pid 5856] <... close resumed>) = 0 [ 235.420908][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6289] set_robust_list(0x7f708f7879a0, 24 [pid 6288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] <... umount2 resumed>) = 0 [pid 5857] close(3 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6289] <... set_robust_list resumed>) = 0 [pid 6288] <... openat resumed>) = 3 [pid 5858] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... close resumed>) = 0 ./strace-static-x86_64: Process 6290 attached [pid 6289] rt_sigprocmask(SIG_SETMASK, [], [pid 6288] write(3, "1000", 4 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] rmdir("./27" [pid 6290] set_robust_list(0x55559362e6a0, 24 [pid 6289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6288] <... write resumed>) = 4 [pid 5858] newfstatat(AT_FDCWD, "./27/file0", [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6290 [pid 6290] <... set_robust_list resumed>) = 0 [pid 6289] memfd_create("syzkaller", 0 [pid 6288] close(3 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 6290] chdir("./28" [pid 6289] <... memfd_create resumed>) = 3 [pid 6288] <... close resumed>) = 0 [pid 5858] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6290] <... chdir resumed>) = 0 [pid 6289] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6288] symlink("/dev/binderfs", "./binderfs" [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6288] <... symlink resumed>) = 0 [pid 5858] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6290] <... prctl resumed>) = 0 [pid 6289] <... mmap resumed>) = 0x7f7087200000 [pid 6288] write(1, "executing program\n", 18 [pid 5858] <... openat resumed>) = 4 [pid 5857] mkdir("./28", 0777 [pid 6290] setpgid(0, 0 [pid 5858] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6290] <... setpgid resumed>) = 0 [pid 5858] getdents64(4, [pid 6290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 6290] <... openat resumed>) = 3 [pid 5858] close(4) = 0 [pid 5858] rmdir("./27/file0" [pid 6290] write(3, "1000", 4 [pid 5858] <... rmdir resumed>) = 0 [pid 6290] <... write resumed>) = 4 executing program [pid 5858] getdents64(3, [pid 6290] close(3 [pid 6288] <... write resumed>) = 18 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6290] <... close resumed>) = 0 [pid 6288] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] close(3 [pid 5857] <... mkdir resumed>) = 0 [pid 6290] symlink("/dev/binderfs", "./binderfs" [pid 6288] <... futex resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6290] <... symlink resumed>) = 0 [pid 6288] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5858] rmdir("./27" [pid 5857] <... openat resumed>) = 3 [pid 6290] write(1, "executing program\n", 18 [pid 6288] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5858] <... rmdir resumed>) = 0 [pid 5857] ioctl(3, LOOP_CLR_FDexecuting program [pid 6290] <... write resumed>) = 18 [pid 6288] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5857] <... ioctl resumed>) = 0 [pid 6290] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] mkdir("./28", 0777 [pid 5857] close(3 [pid 6290] <... futex resumed>) = 0 [pid 6288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6290] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5858] <... mkdir resumed>) = 0 [pid 6290] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6288] <... mmap resumed>) = 0x7f708f767000 [pid 6290] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6290] <... mprotect resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 6290] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] ioctl(3, LOOP_CLR_FD [pid 6290] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5858] <... ioctl resumed>) = 0 [pid 6290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6288] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5858] close(3 [pid 5857] <... close resumed>) = 0 [pid 6288] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6291 attached [pid 6288] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6291] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6290] <... clone3 resumed> => {parent_tid=[6291]}, 88) = 6291 [pid 6291] <... rseq resumed>) = 0 [pid 6288] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} => {parent_tid=[6292]}, 88) = 6292 ./strace-static-x86_64: Process 6292 attached [pid 6291] set_robust_list(0x7f708f7879a0, 24 [pid 6290] rt_sigprocmask(SIG_SETMASK, [], [pid 6291] <... set_robust_list resumed>) = 0 [pid 6290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6291] rt_sigprocmask(SIG_SETMASK, [], [pid 6290] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6290] <... futex resumed>) = 0 [pid 6291] memfd_create("syzkaller", 0 [pid 6290] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6291] <... memfd_create resumed>) = 3 [pid 6291] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6292] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6288] rt_sigprocmask(SIG_SETMASK, [], [pid 6292] <... rseq resumed>) = 0 [pid 6289] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6292] set_robust_list(0x7f708f7879a0, 24 [pid 6288] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... close resumed>) = 0 [pid 6288] <... futex resumed>) = 0 [pid 6292] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6293 attached [pid 6288] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6294 attached [pid 6292] rt_sigprocmask(SIG_SETMASK, [], [pid 6293] set_robust_list(0x55559362e6a0, 24 [pid 6292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6293 [pid 6294] set_robust_list(0x55559362e6a0, 24 [pid 6293] <... set_robust_list resumed>) = 0 [pid 6292] memfd_create("syzkaller", 0) = 3 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6294 [pid 6292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6293] chdir("./28" [pid 6292] <... mmap resumed>) = 0x7f7087200000 [pid 6294] <... set_robust_list resumed>) = 0 [pid 6293] <... chdir resumed>) = 0 [pid 6294] chdir("./28" [pid 6293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6293] setpgid(0, 0 [pid 6294] <... chdir resumed>) = 0 [pid 6291] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6293] <... setpgid resumed>) = 0 [pid 6292] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6289] <... write resumed>) = 1048576 [pid 6294] <... prctl resumed>) = 0 [pid 6293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6294] setpgid(0, 0 [pid 6293] <... openat resumed>) = 3 [pid 6294] <... setpgid resumed>) = 0 [pid 6293] write(3, "1000", 4 [pid 6294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6293] <... write resumed>) = 4 [pid 6294] <... openat resumed>) = 3 [pid 6293] close(3executing program [pid 6294] write(3, "1000", 4 [pid 6293] <... close resumed>) = 0 [pid 6294] <... write resumed>) = 4 [pid 6294] close(3) = 0 [pid 6294] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6293] symlink("/dev/binderfs", "./binderfs" [pid 6294] write(1, "executing program\n", 18 [pid 6293] <... symlink resumed>) = 0 [pid 6289] munmap(0x7f7087200000, 138412032 [pid 6294] <... write resumed>) = 18 [pid 6289] <... munmap resumed>) = 0 executing program [pid 6294] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] write(1, "executing program\n", 18 [pid 6294] <... futex resumed>) = 0 [pid 6293] <... write resumed>) = 18 [pid 6294] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6293] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6294] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6289] <... openat resumed>) = 4 [pid 6294] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6293] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6293] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6289] ioctl(4, LOOP_SET_FD, 3 [pid 6294] <... mmap resumed>) = 0x7f708f767000 [pid 6292] <... write resumed>) = 1048576 [pid 6294] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6294] <... mprotect resumed>) = 0 [pid 6294] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6294] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6293] <... mmap resumed>) = 0x7f708f767000 [pid 6294] <... clone3 resumed> => {parent_tid=[6295]}, 88) = 6295 [pid 6293] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6294] rt_sigprocmask(SIG_SETMASK, [], [pid 6293] <... mprotect resumed>) = 0 [pid 6294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6291] <... write resumed>) = 1048576 ./strace-static-x86_64: Process 6295 attached [pid 6294] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6291] munmap(0x7f7087200000, 138412032 [pid 6294] <... futex resumed>) = 0 [pid 6293] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6291] <... munmap resumed>) = 0 [pid 6294] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6296 attached [pid 6295] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6296] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6295] <... rseq resumed>) = 0 [pid 6293] <... clone3 resumed> => {parent_tid=[6296]}, 88) = 6296 [pid 6296] <... rseq resumed>) = 0 [pid 6295] set_robust_list(0x7f708f7879a0, 24 [pid 6293] rt_sigprocmask(SIG_SETMASK, [], [pid 6291] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6296] set_robust_list(0x7f708f7879a0, 24 [pid 6295] <... set_robust_list resumed>) = 0 [pid 6293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6292] munmap(0x7f7087200000, 138412032 [pid 6291] <... openat resumed>) = 4 [pid 6296] <... set_robust_list resumed>) = 0 [pid 6295] rt_sigprocmask(SIG_SETMASK, [], [pid 6293] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] rt_sigprocmask(SIG_SETMASK, [], [pid 6295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6291] ioctl(4, LOOP_SET_FD, 3 [pid 6296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6295] memfd_create("syzkaller", 0 [pid 6293] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6292] <... munmap resumed>) = 0 [pid 6289] <... ioctl resumed>) = 0 [pid 6296] memfd_create("syzkaller", 0 [pid 6295] <... memfd_create resumed>) = 3 [pid 6292] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6291] <... ioctl resumed>) = 0 [pid 6289] close(3 [pid 6296] <... memfd_create resumed>) = 3 [pid 6295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6292] <... openat resumed>) = 4 [pid 6289] <... close resumed>) = 0 [pid 6291] close(3 [pid 6296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6295] <... mmap resumed>) = 0x7f7087200000 [pid 6292] ioctl(4, LOOP_SET_FD, 3 [pid 6291] <... close resumed>) = 0 [pid 6289] close(4 [pid 6296] <... mmap resumed>) = 0x7f7087200000 [pid 6291] close(4) = 0 [ 235.580605][ T6289] loop4: detected capacity change from 0 to 2048 [ 235.610700][ T6291] loop1: detected capacity change from 0 to 2048 [pid 6291] mkdir("./file0", 0777 [pid 6295] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6292] <... ioctl resumed>) = 0 [pid 6289] <... close resumed>) = 0 [pid 6296] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6289] mkdir("./file0", 0777 [pid 6292] close(3 [pid 6291] <... mkdir resumed>) = 0 [pid 6289] <... mkdir resumed>) = 0 [pid 6292] <... close resumed>) = 0 [pid 6292] close(4 [pid 6291] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6292] <... close resumed>) = 0 [pid 6292] mkdir("./file0", 0777) = 0 [pid 6292] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6296] <... write resumed>) = 1048576 [pid 6295] <... write resumed>) = 1048576 [ 235.633781][ T6292] loop0: detected capacity change from 0 to 2048 [ 235.659574][ T6291] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 235.671613][ T6292] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [pid 6289] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6296] munmap(0x7f7087200000, 138412032) = 0 [pid 6296] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6295] munmap(0x7f7087200000, 138412032) = 0 [pid 6296] <... openat resumed>) = 4 [pid 6295] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6296] ioctl(4, LOOP_SET_FD, 3 [pid 6295] <... openat resumed>) = 4 [pid 6296] <... ioctl resumed>) = 0 [pid 6295] ioctl(4, LOOP_SET_FD, 3 [pid 6296] close(3) = 0 [pid 6296] close(4) = 0 [pid 6296] mkdir("./file0", 0777) = 0 [ 235.679572][ T6291] UDF-fs: Scanning with blocksize 512 failed [ 235.692556][ T6296] loop2: detected capacity change from 0 to 2048 [ 235.692652][ T6292] UDF-fs: Scanning with blocksize 512 failed [ 235.714162][ T6291] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6296] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6291] <... mount resumed>) = 0 [pid 6295] <... ioctl resumed>) = 0 [pid 6295] close(3 [pid 6291] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6295] <... close resumed>) = 0 [pid 6295] close(4 [pid 6291] <... openat resumed>) = 3 [pid 6295] <... close resumed>) = 0 [pid 6291] chdir("./file0" [pid 6295] mkdir("./file0", 0777 [pid 6291] <... chdir resumed>) = 0 [pid 6295] <... mkdir resumed>) = 0 [pid 6291] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6291] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6291] <... futex resumed>) = 1 [pid 6290] <... futex resumed>) = 0 [pid 6291] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6290] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6290] <... futex resumed>) = 0 [pid 6291] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 6290] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6291] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6290] <... futex resumed>) = 0 [pid 6290] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6291] <... futex resumed>) = 0 [pid 6291] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 6290] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6290] <... futex resumed>) = 0 [pid 6290] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6290] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] pwrite64(5, "2", 1, 134220897) = 1 [pid 6291] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6290] <... futex resumed>) = 0 [pid 6291] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6290] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 235.728378][ T6295] loop3: detected capacity change from 0 to 2048 [ 235.735939][ T6289] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 235.757045][ T6295] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 235.757098][ T6292] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 235.776561][ T6295] UDF-fs: Scanning with blocksize 512 failed [pid 6290] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6290] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6290] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6290] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6297 attached => {parent_tid=[6297]}, 88) = 6297 [pid 6290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6297] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6290] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... rseq resumed>) = 0 [ 235.808214][ T6296] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 235.811939][ T6289] UDF-fs: Scanning with blocksize 512 failed [ 235.832399][ T6295] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6297] set_robust_list(0x7f708f7669a0, 24 [pid 6295] <... mount resumed>) = 0 [pid 6290] <... futex resumed>) = 0 [pid 6290] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6297] <... set_robust_list resumed>) = 0 [pid 6297] rt_sigprocmask(SIG_SETMASK, [], [pid 6295] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6292] <... mount resumed>) = 0 [pid 6297] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6292] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6297] <... openat resumed>) = 6 [pid 6292] <... openat resumed>) = 3 [pid 6292] chdir("./file0") = 0 [pid 6292] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6297] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... openat resumed>) = 3 [pid 6292] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6295] chdir("./file0" [pid 6297] <... futex resumed>) = 1 [pid 6295] <... chdir resumed>) = 0 [pid 6292] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... futex resumed>) = 0 [pid 6297] fdatasync(6 [pid 6295] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6292] <... futex resumed>) = 1 [pid 6290] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... futex resumed>) = 0 [pid 6295] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6292] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6290] <... futex resumed>) = 0 [pid 6288] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6290] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6288] <... futex resumed>) = 0 [pid 6297] <... fdatasync resumed>) = 0 [pid 6295] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... openat resumed>) = 4 [pid 6288] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6297] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... futex resumed>) = 1 [pid 6294] <... futex resumed>) = 0 [pid 6292] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6297] <... futex resumed>) = 1 [pid 6295] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... futex resumed>) = 0 [pid 6290] <... futex resumed>) = 0 [pid 6288] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] <... futex resumed>) = 0 [pid 6292] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6288] <... futex resumed>) = 0 [pid 6294] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] <... openat resumed>) = 5 [pid 6292] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6292] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] <... mount resumed>) = 0 [pid 6295] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6289] <... mount resumed>) = 0 [pid 6288] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6296] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6295] <... openat resumed>) = 4 [pid 6288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6296] <... openat resumed>) = 3 [pid 6295] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... openat resumed>) = 3 [pid 6288] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] chdir("./file0" [pid 6295] <... futex resumed>) = 1 [pid 6294] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = 0 [pid 6289] chdir("./file0" [pid 6288] <... futex resumed>) = 1 [pid 6296] <... chdir resumed>) = 0 [pid 6295] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] pwrite64(5, "2", 1, 134220897 [pid 6289] <... chdir resumed>) = 0 [pid 6288] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6296] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] <... futex resumed>) = 0 [pid 6289] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6296] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6295] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6292] <... pwrite64 resumed>) = 1 [pid 6289] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6296] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... openat resumed>) = 5 [pid 6294] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] <... futex resumed>) = 1 [pid 6295] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6293] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = 1 [pid 6289] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... futex resumed>) = 0 [pid 6296] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] <... futex resumed>) = 0 [pid 6294] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] <... futex resumed>) = 1 [pid 6288] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] <... futex resumed>) = 0 [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] pwrite64(5, "2", 1, 134220897 [pid 6294] <... futex resumed>) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6288] <... futex resumed>) = 0 [pid 6287] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6295] <... pwrite64 resumed>) = 1 [pid 6289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6292] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6288] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6287] <... futex resumed>) = 0 [pid 6295] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6287] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6296] <... openat resumed>) = 4 [pid 6295] <... futex resumed>) = 0 [pid 6295] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6293] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] <... write resumed>) = 843776 [pid 6289] <... openat resumed>) = 4 [pid 6296] <... futex resumed>) = 0 [pid 6294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6291] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] <... futex resumed>) = 0 [pid 6289] <... futex resumed>) = 1 [pid 6287] <... futex resumed>) = 0 [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] <... futex resumed>) = 0 [pid 6294] <... futex resumed>) = 1 [pid 6293] <... futex resumed>) = 0 [pid 6291] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [ 235.852803][ T6296] UDF-fs: Scanning with blocksize 512 failed [ 235.870413][ T6289] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 235.871929][ T6296] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6296] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6295] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6294] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6293] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6290] exit_group(0 [pid 6289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6287] <... futex resumed>) = 0 [pid 6296] <... openat resumed>) = 5 [pid 6289] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6287] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6297] <... futex resumed>) = ? [pid 6291] <... futex resumed>) = ? [pid 6290] <... exit_group resumed>) = ? [pid 6289] <... openat resumed>) = 5 [pid 6296] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] +++ exited with 0 +++ [pid 6292] <... write resumed>) = 843776 [pid 6291] +++ exited with 0 +++ [pid 6289] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] <... futex resumed>) = 0 [pid 6288] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6293] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6293] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6290] +++ exited with 0 +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6290, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 6288] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... futex resumed>) = 0 [pid 6296] pwrite64(5, "2", 1, 134220897 [pid 6292] <... futex resumed>) = 0 [pid 6289] <... futex resumed>) = 1 [pid 6288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6287] <... futex resumed>) = 0 [pid 6296] <... pwrite64 resumed>) = 1 [pid 6292] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6288] <... mmap resumed>) = 0x7f708f746000 [pid 6296] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6287] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 5856] <... restart_syscall resumed>) = 0 [pid 6296] <... futex resumed>) = 1 [pid 6293] <... futex resumed>) = 0 [pid 6289] pwrite64(5, "2", 1, 134220897 [pid 6288] <... mprotect resumed>) = 0 [pid 6287] <... futex resumed>) = 0 [pid 6296] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6293] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... pwrite64 resumed>) = 1 [pid 6288] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6287] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6293] <... futex resumed>) = 0 [pid 6289] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5856] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6296] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6293] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6289] <... futex resumed>) = 0 [pid 6288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6287] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6299 attached [pid 6289] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6287] <... futex resumed>) = 0 [pid 5856] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6287] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] <... openat resumed>) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./28/binderfs") = 0 [pid 5856] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6288] <... clone3 resumed> => {parent_tid=[6299]}, 88) = 6299 [pid 6288] rt_sigprocmask(SIG_SETMASK, [], [pid 6299] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6299] <... rseq resumed>) = 0 [pid 6288] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] set_robust_list(0x7f708f7669a0, 24 [pid 6288] <... futex resumed>) = 0 [pid 6299] <... set_robust_list resumed>) = 0 [pid 6288] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6299] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6299] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6288] <... futex resumed>) = 0 [pid 6288] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 235.946219][ T6290] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6288] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] <... futex resumed>) = 0 [pid 6299] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] <... write resumed>) = 843776 [pid 6295] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6294] <... futex resumed>) = 0 [pid 6295] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] <... futex resumed>) = 0 [pid 6295] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6294] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6295] <... openat resumed>) = 6 [pid 6292] fdatasync(6 [pid 6295] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6294] <... futex resumed>) = 0 [pid 6295] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... futex resumed>) = 0 [pid 6294] <... futex resumed>) = 1 [pid 6295] fdatasync(6 [pid 6294] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6295] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6295] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6295] <... futex resumed>) = 1 [pid 6294] <... futex resumed>) = 0 [pid 6295] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] exit_group(0 [pid 6292] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... futex resumed>) = ? [pid 6294] <... exit_group resumed>) = ? [pid 6292] <... futex resumed>) = 1 [pid 6288] <... futex resumed>) = 0 [pid 6295] +++ exited with 0 +++ [pid 6288] exit_group(0) = ? [pid 6299] <... futex resumed>) = ? [pid 6299] +++ exited with 0 +++ [pid 6293] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6293] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6287] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] <... futex resumed>) = 0 [pid 6287] <... futex resumed>) = 0 [pid 6293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6293] <... mmap resumed>) = 0x7f708f746000 [pid 6293] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6287] <... mmap resumed>) = 0x7f708f746000 [pid 6293] <... mprotect resumed>) = 0 [pid 6293] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6287] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6293] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6287] <... mprotect resumed>) = 0 [pid 6293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6287] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6300 attached [], 8) = 0 [pid 6293] <... clone3 resumed> => {parent_tid=[6300]}, 88) = 6300 [pid 6287] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6287] <... clone3 resumed> => {parent_tid=[6301]}, 88) = 6301 [pid 6293] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] rt_sigprocmask(SIG_SETMASK, [], [pid 6293] <... futex resumed>) = 0 [pid 6287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6293] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6287] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6287] <... futex resumed>) = 0 [pid 6300] <... rseq resumed>) = 0 [pid 6287] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6300] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000./strace-static-x86_64: Process 6301 attached ) = 6 [pid 6301] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6300] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6293] <... futex resumed>) = 0 [pid 6293] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6293] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] fdatasync(6 [pid 6301] <... rseq resumed>) = 0 [pid 6300] <... fdatasync resumed>) = 0 [pid 6301] set_robust_list(0x7f708f7669a0, 24 [pid 6300] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] +++ exited with 0 +++ [pid 6300] <... futex resumed>) = 1 [pid 6293] <... futex resumed>) = 0 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6294, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 6300] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] <... set_robust_list resumed>) = 0 [pid 5858] <... restart_syscall resumed>) = 0 [pid 5858] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", [pid 6301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6301] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5858] getdents64(3, [pid 6301] <... openat resumed>) = 6 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6301] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] +++ exited with 0 +++ [pid 6288] +++ exited with 0 +++ [pid 5858] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6301] <... futex resumed>) = 1 [pid 6287] <... futex resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6301] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] newfstatat(AT_FDCWD, "./28/binderfs", [pid 6301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6288, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6301] fdatasync(6 [pid 6287] <... futex resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 6287] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] unlink("./28/binderfs") = 0 [pid 5858] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6289] <... write resumed>) = 843776 [ 236.014433][ T6294] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 236.031221][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 236.054645][ T6292] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5855] <... restart_syscall resumed>) = 0 [pid 5855] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6301] <... fdatasync resumed>) = 0 [pid 6289] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6301] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... futex resumed>) = 0 [pid 6289] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] <... futex resumed>) = 0 [pid 6301] <... futex resumed>) = 1 [pid 6301] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] exit_group(0 [pid 5855] newfstatat(AT_FDCWD, "./28/binderfs", [pid 6301] <... futex resumed>) = ? [pid 6289] <... futex resumed>) = ? [pid 6287] <... exit_group resumed>) = ? [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6301] +++ exited with 0 +++ [pid 5855] unlink("./28/binderfs") = 0 [pid 5855] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... umount2 resumed>) = 0 [pid 6296] <... write resumed>) = 843776 [pid 6289] +++ exited with 0 +++ [pid 6287] +++ exited with 0 +++ [pid 6296] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6296] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./28/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6287, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5856] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6293] exit_group(0 [pid 5856] <... openat resumed>) = 4 [pid 5856] newfstatat(4, "", [pid 6293] <... exit_group resumed>) = ? [pid 6296] <... futex resumed>) = ? [pid 5859] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6296] +++ exited with 0 +++ [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [ 236.106667][ T6289] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 236.134387][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5856] close(4) = 0 [pid 5856] rmdir("./28/file0") = 0 [pid 5856] getdents64(3, [pid 6300] <... futex resumed>) = ? [pid 5859] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 5856] rmdir("./28") = 0 [pid 5858] <... umount2 resumed>) = 0 [pid 5856] mkdir("./29", 0777 [pid 5858] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... mkdir resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./28/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5858] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... openat resumed>) = 3 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 5858] newfstatat(4, "", [pid 5856] <... ioctl resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] close(3 [pid 5859] <... openat resumed>) = 3 [pid 5858] getdents64(4, [pid 5859] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [ 236.156017][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 236.179376][ T6300] UDF-fs: warning (device loop2): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [pid 5859] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5858] getdents64(4, [pid 5859] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] <... close resumed>) = 0 [pid 5855] <... umount2 resumed>) = 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] close(4) = 0 [pid 5858] rmdir("./28/file0") = 0 [pid 5858] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5858] rmdir("./28") = 0 [pid 5858] mkdir("./29", 0777 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] <... mkdir resumed>) = 0 [pid 5859] newfstatat(AT_FDCWD, "./28/binderfs", [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5855] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6302 attached [pid 5855] newfstatat(AT_FDCWD, "./28/file0", [pid 5859] unlink("./28/binderfs" [pid 6302] set_robust_list(0x55559362e6a0, 24 [pid 5858] <... openat resumed>) = 3 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6302] <... set_robust_list resumed>) = 0 [pid 6300] +++ exited with 0 +++ [pid 6293] +++ exited with 0 +++ [pid 5859] <... unlink resumed>) = 0 [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6302 [pid 5855] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6302] chdir("./29" [pid 5859] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... ioctl resumed>) = 0 [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6293, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6302] <... chdir resumed>) = 0 [pid 5858] close(3 [pid 5857] restart_syscall(<... resuming interrupted clone ...> [pid 6302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] <... restart_syscall resumed>) = 0 [pid 5855] <... openat resumed>) = 4 [pid 6302] <... prctl resumed>) = 0 [pid 5857] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, [pid 6302] setpgid(0, 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] newfstatat(4, "", [pid 5857] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6302] <... setpgid resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] newfstatat(AT_FDCWD, "./28/binderfs", [pid 6302] <... openat resumed>) = 3 [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] getdents64(4, [pid 5857] unlink("./28/binderfs" [pid 6302] write(3, "1000", 4 [pid 5857] <... unlink resumed>) = 0 [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6302] <... write resumed>) = 4 [pid 5857] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6302] close(3 [pid 5855] getdents64(4, [pid 6302] <... close resumed>) = 0 [pid 6302] symlink("/dev/binderfs", "./binderfs" [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] <... close resumed>) = 0 [ 236.212345][ T6300] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6303 attached [pid 6302] <... symlink resumed>) = 0 [pid 5855] close(4executing program [pid 6302] write(1, "executing program\n", 18 [pid 5855] <... close resumed>) = 0 [pid 6303] set_robust_list(0x55559362e6a0, 24 [pid 6302] <... write resumed>) = 18 [pid 5855] rmdir("./28/file0" [pid 6303] <... set_robust_list resumed>) = 0 [pid 6302] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6303 [pid 6302] <... futex resumed>) = 0 [pid 5855] <... rmdir resumed>) = 0 [pid 6303] chdir("./29" [pid 6302] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5855] getdents64(3, [pid 6303] <... chdir resumed>) = 0 [pid 6302] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5855] close(3 [pid 6303] <... prctl resumed>) = 0 [pid 6302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] <... close resumed>) = 0 [pid 6303] setpgid(0, 0 [pid 6302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5855] rmdir("./28" [pid 6303] <... setpgid resumed>) = 0 [pid 5855] <... rmdir resumed>) = 0 [pid 6302] <... mmap resumed>) = 0x7f708f767000 [ 236.247454][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5855] mkdir("./29", 0777 [pid 6303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6302] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5855] <... mkdir resumed>) = 0 [pid 6302] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6303] <... openat resumed>) = 3 [pid 6302] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6303] write(3, "1000", 4 [pid 6302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5855] <... openat resumed>) = 3 [pid 6303] <... write resumed>) = 4 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 6303] close(3 [pid 6302] <... clone3 resumed> => {parent_tid=[6304]}, 88) = 6304 [pid 5855] <... ioctl resumed>) = 0 [pid 6303] <... close resumed>) = 0 [pid 6302] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] close(3executing program ./strace-static-x86_64: Process 6304 attached [pid 6303] symlink("/dev/binderfs", "./binderfs" [pid 6302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] <... close resumed>) = 0 [pid 6303] <... symlink resumed>) = 0 [pid 6302] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] write(1, "executing program\n", 18 [pid 6302] <... futex resumed>) = 0 [pid 6303] <... write resumed>) = 18 [pid 6302] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6303] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6303] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6304] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6303] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6303] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6305 [pid 6303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6303] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6303] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6306 attached [pid 6306] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6303] <... clone3 resumed> => {parent_tid=[6306]}, 88) = 6306 [pid 6306] <... rseq resumed>) = 0 [pid 6303] rt_sigprocmask(SIG_SETMASK, [], [pid 6306] set_robust_list(0x7f708f7879a0, 24 [pid 6303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6306] <... set_robust_list resumed>) = 0 [pid 6303] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] rt_sigprocmask(SIG_SETMASK, [], [pid 6303] <... futex resumed>) = 0 [pid 6306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6303] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6306] memfd_create("syzkaller", 0) = 3 [pid 6306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 ./strace-static-x86_64: Process 6305 attached [pid 6306] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6304] <... rseq resumed>) = 0 [pid 6305] set_robust_list(0x55559362e6a0, 24 [pid 5859] <... umount2 resumed>) = 0 [pid 6304] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6305] <... set_robust_list resumed>) = 0 [ 236.289644][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 5859] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6304] memfd_create("syzkaller", 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6305] chdir("./29" [pid 6304] <... memfd_create resumed>) = 3 [pid 5859] newfstatat(AT_FDCWD, "./28/file0", [pid 6305] <... chdir resumed>) = 0 [pid 6304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6306] <... write resumed>) = 1048576 [pid 6305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6304] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5859] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6306] munmap(0x7f7087200000, 138412032) = 0 [pid 6306] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6305] <... prctl resumed>) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6306] <... openat resumed>) = 4 [pid 6305] setpgid(0, 0 [pid 6304] <... write resumed>) = 1048576 [pid 5859] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6306] ioctl(4, LOOP_SET_FD, 3 [pid 6305] <... setpgid resumed>) = 0 [pid 6304] munmap(0x7f7087200000, 138412032 [pid 5859] <... openat resumed>) = 4 [pid 6305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6304] <... munmap resumed>) = 0 [pid 5859] newfstatat(4, "", [pid 6305] <... openat resumed>) = 3 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6305] write(3, "1000", 4 [pid 5859] getdents64(4, [pid 6305] <... write resumed>) = 4 [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6305] close(3 [pid 5859] getdents64(4, [pid 6306] <... ioctl resumed>) = 0 [pid 6304] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6305] <... close resumed>) = 0 [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6306] close(3 [pid 6305] symlink("/dev/binderfs", "./binderfs" [pid 5859] close(4 [pid 5857] <... umount2 resumed>) = 0 [pid 6306] <... close resumed>) = 0 [pid 6304] <... openat resumed>) = 4 [pid 6306] close(4 [pid 5859] <... close resumed>) = 0 [pid 5857] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6304] ioctl(4, LOOP_SET_FD, 3 [pid 6306] <... close resumed>) = 0 [pid 6305] <... symlink resumed>) = 0 [pid 6304] <... ioctl resumed>) = 0 [pid 5859] rmdir("./28/file0" [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6306] mkdir("./file0", 0777 [pid 6305] write(1, "executing program\n", 18 [pid 5857] newfstatat(AT_FDCWD, "./28/file0", [pid 6305] <... write resumed>) = 18 [pid 6305] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6305] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6306] <... mkdir resumed>) = 0 [pid 6305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6306] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6305] <... mmap resumed>) = 0x7f708f767000 [pid 5857] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6305] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5859] <... rmdir resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6305] <... mprotect resumed>) = 0 [pid 5859] getdents64(3, [pid 5857] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6305] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6305] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] close(3 [pid 5857] <... openat resumed>) = 4 [pid 6305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6304] close(3 [pid 5859] <... close resumed>) = 0 [pid 5857] newfstatat(4, "", ./strace-static-x86_64: Process 6307 attached [pid 5859] rmdir("./28" [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6304] <... close resumed>) = 0 [pid 5857] getdents64(4, [pid 6304] close(4 [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6307] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6305] <... clone3 resumed> => {parent_tid=[6307]}, 88) = 6307 [pid 6304] <... close resumed>) = 0 [pid 5859] <... rmdir resumed>) = 0 [pid 5857] getdents64(4, [pid 6307] <... rseq resumed>) = 0 [pid 6305] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6307] set_robust_list(0x7f708f7879a0, 24 [pid 6305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6304] mkdir("./file0", 0777 [pid 5859] mkdir("./29", 0777 [pid 5857] close(4 [pid 6307] <... set_robust_list resumed>) = 0 [pid 6305] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] rt_sigprocmask(SIG_SETMASK, [], [pid 6305] <... futex resumed>) = 0 [pid 6304] <... mkdir resumed>) = 0 [pid 5859] <... mkdir resumed>) = 0 [pid 5857] <... close resumed>) = 0 [pid 6307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6305] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6304] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5857] rmdir("./28/file0" [pid 6307] memfd_create("syzkaller", 0 [pid 5859] <... openat resumed>) = 3 [pid 5857] <... rmdir resumed>) = 0 [pid 5859] ioctl(3, LOOP_CLR_FD [pid 5857] getdents64(3, [pid 6307] <... memfd_create resumed>) = 3 [pid 5859] <... ioctl resumed>) = 0 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [ 236.381441][ T6306] loop3: detected capacity change from 0 to 2048 [ 236.393192][ T6304] loop1: detected capacity change from 0 to 2048 [ 236.416968][ T6306] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [pid 6307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5859] close(3 [pid 5857] close(3) = 0 [pid 5857] rmdir("./28") = 0 [pid 5857] mkdir("./29", 0777) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD) = 0 [pid 5857] close(3 [pid 5859] <... close resumed>) = 0 [pid 6307] <... mmap resumed>) = 0x7f7087200000 [pid 6307] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5857] <... close resumed>) = 0 [ 236.432337][ T6306] UDF-fs: Scanning with blocksize 512 failed [ 236.441552][ T6304] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 236.463780][ T6306] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6308 attached [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6308 [pid 6308] set_robust_list(0x55559362e6a0, 24) = 0 ./strace-static-x86_64: Process 6309 attached [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6309 [pid 6308] chdir("./29") = 0 [pid 6308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6308] setpgid(0, 0) = 0 [pid 6308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6309] set_robust_list(0x55559362e6a0, 24 [pid 6308] write(3, "1000", 4) = 4 [pid 6308] close(3) = 0 [pid 6308] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6308] write(1, "executing program\n", 18) = 18 [pid 6309] <... set_robust_list resumed>) = 0 [pid 6308] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] chdir("./29" [pid 6308] <... futex resumed>) = 0 [pid 6309] <... chdir resumed>) = 0 [pid 6308] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6306] <... mount resumed>) = 0 [pid 6309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6308] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6306] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6306] <... openat resumed>) = 3 [pid 6308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6306] chdir("./file0" [pid 6309] setpgid(0, 0 [pid 6308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6306] <... chdir resumed>) = 0 [pid 6309] <... setpgid resumed>) = 0 [pid 6308] <... mmap resumed>) = 0x7f708f767000 [pid 6306] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6308] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6306] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6309] <... openat resumed>) = 3 [pid 6308] <... mprotect resumed>) = 0 [pid 6306] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] write(3, "1000", 4 [ 236.477033][ T6304] UDF-fs: Scanning with blocksize 512 failed [pid 6308] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6306] <... futex resumed>) = 1 [pid 6303] <... futex resumed>) = 0 [pid 6309] <... write resumed>) = 4 [pid 6308] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6307] <... write resumed>) = 1048576 [pid 6303] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] close(3 [pid 6306] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6303] <... futex resumed>) = 0 [pid 6309] <... close resumed>) = 0 [pid 6307] munmap(0x7f7087200000, 138412032 [pid 6306] <... openat resumed>) = 4 [pid 6303] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6309] symlink("/dev/binderfs", "./binderfs" [pid 6306] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6303] <... futex resumed>) = 0 [pid 6309] <... symlink resumed>) = 0 [pid 6308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6306] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6303] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000executing program ./strace-static-x86_64: Process 6310 attached [pid 6309] write(1, "executing program\n", 18 [pid 6306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6303] <... futex resumed>) = 0 [pid 6309] <... write resumed>) = 18 [pid 6308] <... clone3 resumed> => {parent_tid=[6310]}, 88) = 6310 [pid 6306] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6303] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6309] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] rt_sigprocmask(SIG_SETMASK, [], [pid 6306] <... openat resumed>) = 5 [pid 6309] <... futex resumed>) = 0 [pid 6308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6306] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6309] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6308] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] <... munmap resumed>) = 0 [pid 6310] <... rseq resumed>) = 0 [pid 6309] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6308] <... futex resumed>) = 0 [pid 6306] <... futex resumed>) = 1 [pid 6303] <... futex resumed>) = 0 [pid 6309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6308] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6306] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6303] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] set_robust_list(0x7f708f7879a0, 24 [pid 6309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6303] <... futex resumed>) = 0 [pid 6310] <... set_robust_list resumed>) = 0 [pid 6309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6307] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6306] pwrite64(5, "2", 1, 134220897 [pid 6303] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] rt_sigprocmask(SIG_SETMASK, [], [pid 6309] <... mmap resumed>) = 0x7f708f767000 [pid 6307] <... openat resumed>) = 4 [pid 6306] <... pwrite64 resumed>) = 1 [pid 6309] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6306] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6309] <... mprotect resumed>) = 0 [pid 6307] ioctl(4, LOOP_SET_FD, 3 [pid 6306] <... futex resumed>) = 1 [pid 6303] <... futex resumed>) = 0 [pid 6310] memfd_create("syzkaller", 0 [pid 6306] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6303] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6303] <... futex resumed>) = 0 [pid 6306] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6303] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6309] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6310] <... memfd_create resumed>) = 3 [pid 6307] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6311 attached [pid 6310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6307] close(3 [pid 6311] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6310] <... mmap resumed>) = 0x7f7087200000 [pid 6307] <... close resumed>) = 0 [pid 6309] <... clone3 resumed> => {parent_tid=[6311]}, 88) = 6311 [pid 6311] <... rseq resumed>) = 0 [pid 6311] set_robust_list(0x7f708f7879a0, 24 [pid 6304] <... mount resumed>) = 0 [pid 6304] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6311] <... set_robust_list resumed>) = 0 [pid 6304] <... openat resumed>) = 3 [pid 6311] rt_sigprocmask(SIG_SETMASK, [], [pid 6304] chdir("./file0" [pid 6311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6304] <... chdir resumed>) = 0 [pid 6311] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6304] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6304] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] <... futex resumed>) = 0 [pid 6302] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6302] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] <... futex resumed>) = 1 [pid 6304] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 6304] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] <... futex resumed>) = 0 [pid 6302] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6302] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] <... futex resumed>) = 1 [pid 6310] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6309] rt_sigprocmask(SIG_SETMASK, [], [pid 6307] close(4) = 0 [pid 6304] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 6304] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6302] <... futex resumed>) = 0 [pid 6302] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6302] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] pwrite64(5, "2", 1, 134220897) = 1 [pid 6304] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6302] <... futex resumed>) = 0 [pid 6302] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6302] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6307] mkdir("./file0", 0777) = 0 [ 236.518818][ T6304] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 236.544749][ T6307] loop0: detected capacity change from 0 to 2048 [pid 6309] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6307] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6309] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6311] <... futex resumed>) = 0 [pid 6303] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6311] memfd_create("syzkaller", 0 [pid 6303] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... memfd_create resumed>) = 3 [pid 6310] <... write resumed>) = 1048576 [pid 6303] <... futex resumed>) = 0 [pid 6310] munmap(0x7f7087200000, 138412032 [pid 6311] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6311] <... mmap resumed>) = 0x7f7087200000 [pid 6310] <... munmap resumed>) = 0 [pid 6303] <... mmap resumed>) = 0x7f708f746000 [pid 6310] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6303] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6303] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6310] ioctl(4, LOOP_SET_FD, 3 [pid 6303] <... clone3 resumed> => {parent_tid=[6312]}, 88) = 6312 [pid 6303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6303] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6303] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6302] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6302] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6302] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6302] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6312 attached [], 8) = 0 [pid 6302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6313 attached [pid 6312] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6313] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6312] <... rseq resumed>) = 0 [pid 6302] <... clone3 resumed> => {parent_tid=[6313]}, 88) = 6313 [pid 6313] <... rseq resumed>) = 0 [pid 6312] set_robust_list(0x7f708f7669a0, 24 [pid 6311] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6302] rt_sigprocmask(SIG_SETMASK, [], [pid 6313] set_robust_list(0x7f708f7669a0, 24 [pid 6312] <... set_robust_list resumed>) = 0 [pid 6302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6313] <... set_robust_list resumed>) = 0 [pid 6312] rt_sigprocmask(SIG_SETMASK, [], [pid 6302] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6302] <... futex resumed>) = 0 [pid 6313] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6302] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6313] <... openat resumed>) = 6 [pid 6312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6311] <... write resumed>) = 1048576 [pid 6310] <... ioctl resumed>) = 0 [pid 6304] <... write resumed>) = 843776 [pid 6312] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6310] close(3) = 0 [pid 6304] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] <... futex resumed>) = 0 [pid 6313] <... futex resumed>) = 1 [pid 6312] <... openat resumed>) = 6 [pid 6304] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6302] <... futex resumed>) = 0 [pid 6310] close(4 [pid 6313] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6310] <... close resumed>) = 0 [pid 6304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6302] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] mkdir("./file0", 0777 [pid 6304] fdatasync(6 [pid 6302] <... futex resumed>) = 0 [pid 6302] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] <... mkdir resumed>) = 0 [ 236.606380][ T6307] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 236.631348][ T6310] loop2: detected capacity change from 0 to 2048 [ 236.643203][ T6307] UDF-fs: Scanning with blocksize 512 failed [pid 6311] munmap(0x7f7087200000, 138412032 [pid 6312] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6304] <... fdatasync resumed>) = 0 [pid 6304] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6302] <... futex resumed>) = 0 [pid 6312] <... futex resumed>) = 1 [pid 6304] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6302] exit_group(0 [pid 6313] <... futex resumed>) = ? [pid 6312] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6302] <... exit_group resumed>) = ? [pid 6313] +++ exited with 0 +++ [pid 6304] <... futex resumed>) = ? [pid 6303] <... futex resumed>) = 0 [pid 6303] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6303] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6311] <... munmap resumed>) = 0 [pid 6311] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6311] ioctl(4, LOOP_SET_FD, 3 [pid 6312] <... futex resumed>) = 0 [pid 6307] <... mount resumed>) = 0 [pid 6307] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6307] chdir("./file0") = 0 [pid 6307] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6307] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6307] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6306] <... write resumed>) = 843776 [pid 6306] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 236.679616][ T6307] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 236.694588][ T6304] UDF-fs: warning (device loop1): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 236.702828][ T6311] loop4: detected capacity change from 0 to 2048 [ 236.712606][ T6304] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6306] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] <... ioctl resumed>) = 0 [pid 6312] fdatasync(6 [pid 6305] <... futex resumed>) = 0 [pid 6304] +++ exited with 0 +++ [pid 6302] +++ exited with 0 +++ [pid 6311] close(3) = 0 [pid 6311] close(4) = 0 [pid 6311] mkdir("./file0", 0777 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6302, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6305] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... mkdir resumed>) = 0 [pid 5856] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6305] <... futex resumed>) = 1 [pid 6307] <... futex resumed>) = 0 [pid 6307] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 6305] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6311] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6307] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6307] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6312] <... fdatasync resumed>) = 0 [pid 6305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6303] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5856] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6305] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] <... futex resumed>) = 0 [pid 6305] <... futex resumed>) = 1 [pid 6307] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6305] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6307] <... openat resumed>) = 5 [pid 6307] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6305] <... futex resumed>) = 0 [pid 6307] pwrite64(5, "2", 1, 134220897 [pid 6305] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] <... pwrite64 resumed>) = 1 [pid 6312] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... futex resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 6312] <... futex resumed>) = 0 [pid 6310] <... mount resumed>) = 0 [pid 6307] <... futex resumed>) = 0 [pid 6305] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6307] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6303] exit_group(0 [pid 6306] <... futex resumed>) = ? [pid 6305] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... exit_group resumed>) = ? [pid 6307] <... futex resumed>) = 0 [pid 6306] +++ exited with 0 +++ [pid 6305] <... futex resumed>) = 1 [ 236.727436][ T6310] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 236.747630][ T6311] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 236.755472][ T6310] UDF-fs: Scanning with blocksize 512 failed [ 236.759672][ T6310] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 236.772768][ T6311] UDF-fs: Scanning with blocksize 512 failed [pid 6307] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6305] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5856] newfstatat(3, "", [pid 6310] <... openat resumed>) = 3 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, [pid 6310] chdir("./file0" [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6310] <... chdir resumed>) = 0 [pid 6310] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6310] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5856] newfstatat(AT_FDCWD, "./29/binderfs", [pid 6311] <... mount resumed>) = 0 [pid 6310] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./29/binderfs" [pid 6311] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6310] <... futex resumed>) = 1 [pid 6308] <... futex resumed>) = 0 [pid 5856] <... unlink resumed>) = 0 [pid 6310] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6312] +++ exited with 0 +++ [pid 6311] <... openat resumed>) = 3 [pid 6303] +++ exited with 0 +++ [pid 6311] chdir("./file0" [pid 6308] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... futex resumed>) = 0 [pid 6308] <... futex resumed>) = 1 [pid 6310] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6311] <... chdir resumed>) = 0 [pid 6310] <... openat resumed>) = 4 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6303, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6311] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6310] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 6311] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6310] <... futex resumed>) = 0 [pid 6308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6308] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... futex resumed>) = 1 [pid 6310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6309] <... futex resumed>) = 0 [pid 6311] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6309] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6309] <... futex resumed>) = 0 [pid 6311] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6309] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6308] <... futex resumed>) = 0 [pid 6311] <... openat resumed>) = 4 [pid 6310] <... openat resumed>) = 5 [pid 6308] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... restart_syscall resumed>) = 0 [pid 6311] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... futex resumed>) = 1 [pid 6310] <... futex resumed>) = 0 [pid 6309] <... futex resumed>) = 0 [pid 6308] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6310] pwrite64(5, "2", 1, 134220897 [pid 6309] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] <... futex resumed>) = 0 [pid 6311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6310] <... pwrite64 resumed>) = 1 [pid 6309] <... futex resumed>) = 0 [pid 6308] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6305] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5858] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6311] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6310] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6305] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6311] <... openat resumed>) = 5 [pid 6310] <... futex resumed>) = 0 [pid 6308] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... futex resumed>) = 0 [ 236.783641][ T6311] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 236.796205][ T6312] UDF-fs: warning (device loop3): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 236.815027][ T6312] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5858] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6311] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6308] <... futex resumed>) = 0 [pid 6305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] <... openat resumed>) = 3 [pid 6311] <... futex resumed>) = 1 [pid 6309] <... futex resumed>) = 0 [pid 6305] <... mmap resumed>) = 0x7f708f746000 [pid 6308] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6305] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6314]}, 88) = 6314 [pid 6305] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6314 attached NULL, 8) = 0 [pid 6305] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6305] <... futex resumed>) = 0 [pid 6314] <... rseq resumed>) = 0 [pid 6305] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6314] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6314] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6305] <... futex resumed>) = 0 [pid 6305] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6305] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] fdatasync(6) = 0 [pid 6314] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6305] <... futex resumed>) = 0 [pid 6314] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6309] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5858] newfstatat(3, "", [pid 6311] pwrite64(5, "2", 1, 134220897 [pid 6309] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6311] <... pwrite64 resumed>) = 1 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6311] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] getdents64(3, [pid 6311] <... futex resumed>) = 1 [pid 6309] <... futex resumed>) = 0 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6309] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 5858] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6309] <... futex resumed>) = 0 [pid 6309] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./29/binderfs") = 0 [pid 5858] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6307] <... write resumed>) = 843776 [ 236.855922][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 6308] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6307] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] exit_group(0 [pid 6308] <... futex resumed>) = 0 [pid 6305] <... exit_group resumed>) = ? [pid 6308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6308] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6307] <... futex resumed>) = ? [pid 6308] <... mprotect resumed>) = 0 [pid 6314] <... futex resumed>) = ? [pid 6314] +++ exited with 0 +++ [pid 6308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6315]}, 88) = 6315 [pid 6308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6308] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6308] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6315 attached [pid 6315] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6315] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6315] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6315] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6308] <... futex resumed>) = 0 [pid 6308] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6308] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6315] fdatasync(6) = 0 [pid 6315] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6308] <... futex resumed>) = 0 [pid 6315] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] <... umount2 resumed>) = 0 [pid 5856] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./29/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5856] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] getdents64(4, [pid 6310] <... write resumed>) = 843776 [pid 6309] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] close(4) = 0 [pid 5856] rmdir("./29/file0") = 0 [pid 5856] getdents64(3, [pid 6309] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 5856] rmdir("./29") = 0 [pid 5856] mkdir("./30", 0777) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5856] ioctl(3, LOOP_CLR_FD) = 0 [pid 5856] close(3 [pid 6309] <... futex resumed>) = 0 [pid 6309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6310] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 236.921373][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [ 236.943634][ T6307] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6310] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6308] exit_group(0 [pid 6315] <... futex resumed>) = ? [pid 6310] <... futex resumed>) = ? [pid 6308] <... exit_group resumed>) = ? [pid 6315] +++ exited with 0 +++ [pid 6310] +++ exited with 0 +++ [pid 6309] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6307] +++ exited with 0 +++ [pid 6305] +++ exited with 0 +++ [pid 6309] <... mprotect resumed>) = 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6305, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6311] <... write resumed>) = 843776 [pid 5855] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6311] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6311] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6316 attached [pid 6311] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] newfstatat(AT_FDCWD, "./29/binderfs", [pid 6316] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6309] <... clone3 resumed> => {parent_tid=[6316]}, 88) = 6316 [pid 6316] <... rseq resumed>) = 0 [pid 6309] rt_sigprocmask(SIG_SETMASK, [], [pid 6316] set_robust_list(0x7f708f7669a0, 24 [pid 5856] <... close resumed>) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] unlink("./29/binderfs" [pid 6316] <... set_robust_list resumed>) = 0 [pid 6309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... umount2 resumed>) = 0 [pid 5855] <... unlink resumed>) = 0 [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6317 [pid 5855] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6317 attached [pid 6316] rt_sigprocmask(SIG_SETMASK, [], [pid 6309] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] +++ exited with 0 +++ [pid 5858] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6317] set_robust_list(0x55559362e6a0, 24 [pid 6309] <... futex resumed>) = 0 [pid 6316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6308, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6316] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6309] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] newfstatat(AT_FDCWD, "./29/file0", [pid 6316] <... openat resumed>) = 6 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6316] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6316] <... futex resumed>) = 1 [pid 6309] <... futex resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6317] <... set_robust_list resumed>) = 0 [pid 6316] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6309] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6311] <... futex resumed>) = 0 [pid 6309] <... futex resumed>) = 1 [pid 6317] chdir("./30" [pid 6311] fdatasync(6 [pid 6309] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... openat resumed>) = 4 [pid 5857] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6317] <... chdir resumed>) = 0 [pid 6311] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5858] newfstatat(4, "", [pid 6311] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6311] <... futex resumed>) = 1 [pid 6317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6309] <... futex resumed>) = 0 [pid 6317] <... prctl resumed>) = 0 [pid 6311] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] getdents64(4, [pid 6309] exit_group(0 [ 236.977186][ T6308] UDF-fs: warning (device loop2): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 237.009156][ T6308] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6317] setpgid(0, 0) = 0 [pid 6316] <... futex resumed>) = ? [pid 6311] <... futex resumed>) = ? [pid 6309] <... exit_group resumed>) = ? [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] <... openat resumed>) = 3 [pid 6317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] newfstatat(3, "", [pid 6317] <... openat resumed>) = 3 [pid 6311] +++ exited with 0 +++ [pid 5858] getdents64(4, [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6317] write(3, "1000", 4 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./29/binderfs") = 0 [pid 5857] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6317] <... write resumed>) = 4 [pid 6316] +++ exited with 0 +++ [pid 6309] +++ exited with 0 +++ [pid 5858] close(4 [pid 6317] close(3 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6309, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5858] <... close resumed>) = 0 [pid 6317] <... close resumed>) = 0 [pid 5858] rmdir("./29/file0" [pid 6317] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5859] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... rmdir resumed>) = 0 [pid 6317] write(1, "executing program\n", 18) = 18 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] getdents64(3, [pid 5859] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6317] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6317] <... futex resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5858] close(3 [pid 6317] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5859] newfstatat(3, "", [pid 6317] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5858] <... close resumed>) = 0 [pid 6317] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] rmdir("./29" [pid 6317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] getdents64(3, [pid 6317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] <... rmdir resumed>) = 0 [ 237.063028][ T6316] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 237.068185][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6317] <... mmap resumed>) = 0x7f708f767000 [pid 5858] mkdir("./30", 0777) = 0 [pid 6317] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6317] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] <... openat resumed>) = 3 [pid 5859] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] unlink("./29/binderfs" [pid 5858] <... ioctl resumed>) = 0 [pid 6317] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5859] <... unlink resumed>) = 0 [pid 5858] close(3 [pid 5859] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... close resumed>) = 0 [pid 6317] <... clone3 resumed> => {parent_tid=[6319]}, 88) = 6319 [pid 6317] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] <... umount2 resumed>) = 0 [pid 6317] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6319 attached [pid 6319] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053) = 0 [pid 6319] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6319] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6317] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6320 attached [pid 6319] <... futex resumed>) = 0 [pid 6317] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6320 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6320] set_robust_list(0x55559362e6a0, 24 [pid 6319] memfd_create("syzkaller", 0 [pid 5855] newfstatat(AT_FDCWD, "./29/file0", [pid 6320] <... set_robust_list resumed>) = 0 [pid 6319] <... memfd_create resumed>) = 3 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6320] chdir("./30" [pid 6319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5855] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6319] <... mmap resumed>) = 0x7f7087200000 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6320] <... chdir resumed>) = 0 [pid 5855] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] <... openat resumed>) = 4 [ 237.119618][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 6320] <... prctl resumed>) = 0 [pid 6319] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5855] newfstatat(4, "", [pid 6320] setpgid(0, 0) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(4, 0x555593637770 /* 2 entries */, 32768) = 48 [pid 6320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] <... umount2 resumed>) = 0 [pid 5855] getdents64(4, 0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] close(4) = 0 [pid 5855] rmdir("./29/file0") = 0 [pid 6320] <... openat resumed>) = 3 [pid 5857] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6320] write(3, "1000", 4 [pid 5855] getdents64(3, [pid 5857] newfstatat(AT_FDCWD, "./29/file0", [pid 6320] <... write resumed>) = 4 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6320] close(3 [pid 5857] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6320] <... close resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] close(3executing program [pid 6320] symlink("/dev/binderfs", "./binderfs" [pid 5857] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6320] <... symlink resumed>) = 0 [pid 5857] <... openat resumed>) = 4 [pid 6320] write(1, "executing program\n", 18 [pid 6319] <... write resumed>) = 1048576 [pid 6320] <... write resumed>) = 18 [pid 5855] <... close resumed>) = 0 [pid 6320] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] rmdir("./29" [pid 6320] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6319] munmap(0x7f7087200000, 138412032 [pid 5857] newfstatat(4, "", [pid 5855] <... rmdir resumed>) = 0 [pid 6320] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6319] <... munmap resumed>) = 0 [pid 5859] <... umount2 resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] mkdir("./30", 0777 [ 237.181906][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6319] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6319] <... openat resumed>) = 4 [pid 5859] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] getdents64(4, [pid 5855] <... mkdir resumed>) = 0 [pid 6320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6319] ioctl(4, LOOP_SET_FD, 3 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6320] <... mmap resumed>) = 0x7f708f767000 [pid 5859] newfstatat(AT_FDCWD, "./29/file0", [pid 5857] getdents64(4, [pid 5855] <... openat resumed>) = 3 [pid 6320] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 6320] <... mprotect resumed>) = 0 [pid 5859] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] close(4 [pid 5855] <... ioctl resumed>) = 0 [pid 6320] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... close resumed>) = 0 [pid 5855] close(3 [pid 6320] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6319] <... ioctl resumed>) = 0 [pid 5859] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] rmdir("./29/file0" [pid 5859] <... openat resumed>) = 4 [pid 5857] <... rmdir resumed>) = 0 [pid 6320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6319] close(3 [pid 5855] <... close resumed>) = 0 [pid 5857] getdents64(3, [pid 6319] <... close resumed>) = 0 ./strace-static-x86_64: Process 6322 attached [pid 6319] close(4 [pid 5859] newfstatat(4, "", [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6320] <... clone3 resumed> => {parent_tid=[6322]}, 88) = 6322 [pid 6319] <... close resumed>) = 0 [pid 6320] rt_sigprocmask(SIG_SETMASK, [], [pid 6319] mkdir("./file0", 0777 [pid 6320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] close(3) = 0 [pid 6320] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... mkdir resumed>) = 0 [pid 5859] getdents64(4, [pid 5857] rmdir("./29" [pid 6322] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6320] <... futex resumed>) = 0 [pid 6319] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] <... rmdir resumed>) = 0 [pid 6322] <... rseq resumed>) = 0 [pid 6322] set_robust_list(0x7f708f7879a0, 24 [pid 5859] getdents64(4, [pid 5857] mkdir("./30", 0777 [pid 6322] <... set_robust_list resumed>) = 0 [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6322] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] <... mkdir resumed>) = 0 [pid 6322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] close(4 [pid 6322] memfd_create("syzkaller", 0 [pid 5859] <... close resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6322] <... memfd_create resumed>) = 3 [pid 5859] rmdir("./29/file0" [pid 5857] <... openat resumed>) = 3 [pid 6322] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6320] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5859] <... rmdir resumed>) = 0 [pid 5857] ioctl(3, LOOP_CLR_FD [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6322] <... mmap resumed>) = 0x7f7087200000 [pid 5859] getdents64(3, [pid 5857] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6323 attached [pid 5857] close(3 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6323 [pid 5857] <... close resumed>) = 0 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5859] close(3 [pid 6323] set_robust_list(0x55559362e6a0, 24 [pid 5859] <... close resumed>) = 0 [pid 6323] <... set_robust_list resumed>) = 0 [ 237.244754][ T6319] loop1: detected capacity change from 0 to 2048 [ 237.282728][ T6319] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [pid 5859] rmdir("./29" [pid 6323] chdir("./30" [pid 5859] <... rmdir resumed>) = 0 [pid 6323] <... chdir resumed>) = 0 [pid 5859] mkdir("./30", 0777 [pid 6323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] <... mkdir resumed>) = 0 [pid 6323] <... prctl resumed>) = 0 [pid 6323] setpgid(0, 0) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] <... openat resumed>) = 3 [pid 6323] <... openat resumed>) = 3 [pid 5859] ioctl(3, LOOP_CLR_FD [pid 6323] write(3, "1000", 4 [pid 5859] <... ioctl resumed>) = 0 [pid 6323] <... write resumed>) = 4 [pid 5859] close(3 [pid 6323] close(3 [pid 5859] <... close resumed>) = 0 [pid 6323] <... close resumed>) = 0 [pid 6323] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6323] write(1, "executing program\n", 18) = 18 [pid 6323] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6323] <... futex resumed>) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6324 attached [pid 6323] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6324] set_robust_list(0x55559362e6a0, 24 [pid 6323] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6324] <... set_robust_list resumed>) = 0 [pid 6323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6324] chdir("./30") = 0 [pid 6323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6324 [ 237.290512][ T6319] UDF-fs: Scanning with blocksize 512 failed [pid 6324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6323] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6325 [pid 6323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6326 attached => {parent_tid=[6326]}, 88) = 6326 [pid 6323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6323] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6323] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6326] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 6325 attached [pid 6324] <... prctl resumed>) = 0 [pid 6326] <... rseq resumed>) = 0 [pid 6324] setpgid(0, 0 [pid 6326] set_robust_list(0x7f708f7879a0, 24 [pid 6325] set_robust_list(0x55559362e6a0, 24 [pid 6324] <... setpgid resumed>) = 0 [pid 6326] <... set_robust_list resumed>) = 0 [pid 6326] rt_sigprocmask(SIG_SETMASK, [], [pid 6324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6322] <... write resumed>) = 1048576 [pid 6326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6325] <... set_robust_list resumed>) = 0 [pid 6324] <... openat resumed>) = 3 [pid 6326] memfd_create("syzkaller", 0 [pid 6325] chdir("./30" [pid 6326] <... memfd_create resumed>) = 3 [pid 6325] <... chdir resumed>) = 0 [pid 6324] write(3, "1000", 4 [pid 6322] munmap(0x7f7087200000, 138412032 [pid 6326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6324] <... write resumed>) = 4 [pid 6322] <... munmap resumed>) = 0 [pid 6326] <... mmap resumed>) = 0x7f7087200000 [pid 6324] close(3 [pid 6325] <... prctl resumed>) = 0 [pid 6324] <... close resumed>) = 0 [pid 6319] <... mount resumed>) = 0 [pid 6324] symlink("/dev/binderfs", "./binderfs" [pid 6322] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6324] <... symlink resumed>) = 0 [pid 6322] <... openat resumed>) = 4 [pid 6322] ioctl(4, LOOP_SET_FD, 3 [pid 6324] write(1, "executing program\n", 18executing program [pid 6325] setpgid(0, 0 [pid 6324] <... write resumed>) = 18 [pid 6319] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6324] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6319] <... openat resumed>) = 3 [pid 6325] <... setpgid resumed>) = 0 [pid 6324] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6324] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6319] chdir("./file0" [pid 6326] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6325] <... openat resumed>) = 3 [pid 6325] write(3, "1000", 4 [pid 6319] <... chdir resumed>) = 0 [pid 6325] <... write resumed>) = 4 [pid 6324] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6319] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6325] close(3) = 0 [pid 6324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6319] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6325] symlink("/dev/binderfs", "./binderfs" [pid 6324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6319] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] <... symlink resumed>) = 0 executing program [pid 6324] <... mmap resumed>) = 0x7f708f767000 [pid 6325] write(1, "executing program\n", 18 [pid 6319] <... futex resumed>) = 1 [pid 6317] <... futex resumed>) = 0 [pid 6325] <... write resumed>) = 18 [pid 6324] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6319] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... mprotect resumed>) = 0 [pid 6319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6317] <... futex resumed>) = 0 [pid 6325] <... futex resumed>) = 0 [pid 6322] <... ioctl resumed>) = 0 [pid 6319] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6317] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6324] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6325] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6324] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6322] close(3 [pid 6325] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6322] <... close resumed>) = 0 ./strace-static-x86_64: Process 6327 attached [pid 6325] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6322] close(4 [pid 6319] <... openat resumed>) = 4 [pid 6327] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6324] <... clone3 resumed> => {parent_tid=[6327]}, 88) = 6327 [pid 6319] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] <... rseq resumed>) = 0 [pid 6325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6324] rt_sigprocmask(SIG_SETMASK, [], [pid 6319] <... futex resumed>) = 1 [pid 6325] <... mmap resumed>) = 0x7f708f767000 [pid 6317] <... futex resumed>) = 0 [pid 6327] set_robust_list(0x7f708f7879a0, 24 [pid 6325] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6322] <... close resumed>) = 0 [pid 6319] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] <... set_robust_list resumed>) = 0 [pid 6325] <... mprotect resumed>) = 0 [pid 6324] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] mkdir("./file0", 0777 [pid 6319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6317] <... futex resumed>) = 0 [pid 6327] rt_sigprocmask(SIG_SETMASK, [], [pid 6324] <... futex resumed>) = 0 [pid 6322] <... mkdir resumed>) = 0 [pid 6319] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6317] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6324] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6319] <... openat resumed>) = 5 [pid 6327] memfd_create("syzkaller", 0 [pid 6319] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6319] <... futex resumed>) = 1 [pid 6317] <... futex resumed>) = 0 [pid 6319] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6327] <... memfd_create resumed>) = 3 [pid 6325] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6317] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] pwrite64(5, "2", 1, 134220897 [pid 6317] <... futex resumed>) = 0 [ 237.324687][ T6319] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 237.353377][ T6322] loop3: detected capacity change from 0 to 2048 [pid 6319] <... pwrite64 resumed>) = 1 [pid 6317] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6319] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6319] <... futex resumed>) = 0 [pid 6317] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6317] <... futex resumed>) = 0 [pid 6327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6325] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6317] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6327] <... mmap resumed>) = 0x7f7087200000 [pid 6325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6326] <... write resumed>) = 1048576 [pid 6326] munmap(0x7f7087200000, 138412032./strace-static-x86_64: Process 6328 attached ) = 0 [pid 6328] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6325] <... clone3 resumed> => {parent_tid=[6328]}, 88) = 6328 [pid 6328] <... rseq resumed>) = 0 [pid 6325] rt_sigprocmask(SIG_SETMASK, [], [pid 6328] set_robust_list(0x7f708f7879a0, 24 [pid 6325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6328] <... set_robust_list resumed>) = 0 [pid 6325] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] rt_sigprocmask(SIG_SETMASK, [], [pid 6325] <... futex resumed>) = 0 [pid 6328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6325] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6328] memfd_create("syzkaller", 0 [pid 6326] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6326] ioctl(4, LOOP_SET_FD, 3 [pid 6328] <... memfd_create resumed>) = 3 [pid 6328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6326] <... ioctl resumed>) = 0 [pid 6326] close(3) = 0 [pid 6326] close(4) = 0 [pid 6326] mkdir("./file0", 0777) = 0 [ 237.410673][ T6322] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 237.428204][ T6326] loop0: detected capacity change from 0 to 2048 [ 237.437414][ T6322] UDF-fs: Scanning with blocksize 512 failed [pid 6326] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6327] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6328] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6317] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6317] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6317] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6322] <... mount resumed>) = 0 [pid 6317] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6322] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 6329 attached [pid 6322] chdir("./file0") = 0 [pid 6317] <... clone3 resumed> => {parent_tid=[6329]}, 88) = 6329 [pid 6322] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6322] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6320] <... futex resumed>) = 0 [pid 6317] rt_sigprocmask(SIG_SETMASK, [], [pid 6322] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6329] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6320] <... futex resumed>) = 0 [pid 6317] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] <... rseq resumed>) = 0 [pid 6322] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6320] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] <... futex resumed>) = 0 [pid 6329] set_robust_list(0x7f708f7669a0, 24 [pid 6322] <... openat resumed>) = 4 [pid 6329] <... set_robust_list resumed>) = 0 [pid 6322] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6329] rt_sigprocmask(SIG_SETMASK, [], [pid 6322] <... futex resumed>) = 0 [pid 6320] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6322] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6320] <... futex resumed>) = 0 [pid 6320] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6329] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6322] <... openat resumed>) = 5 [pid 6329] <... openat resumed>) = 6 [pid 6322] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 237.455523][ T6326] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 237.467772][ T6322] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 237.478706][ T6326] UDF-fs: Scanning with blocksize 512 failed [pid 6322] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... write resumed>) = 1048576 [pid 6327] <... write resumed>) = 1048576 [pid 6320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6320] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] munmap(0x7f7087200000, 138412032 [pid 6329] <... futex resumed>) = 1 [pid 6317] <... futex resumed>) = 0 [pid 6327] <... munmap resumed>) = 0 [pid 6317] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6322] <... futex resumed>) = 0 [pid 6320] <... futex resumed>) = 1 [pid 6317] <... futex resumed>) = 0 [pid 6329] fdatasync(6 [pid 6322] pwrite64(5, "2", 1, 134220897 [pid 6317] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6327] <... openat resumed>) = 4 [pid 6322] <... pwrite64 resumed>) = 1 [pid 6320] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6322] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6320] <... futex resumed>) = 0 [pid 6327] ioctl(4, LOOP_SET_FD, 3 [pid 6329] <... fdatasync resumed>) = 0 [pid 6329] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] <... futex resumed>) = 1 [pid 6317] <... futex resumed>) = 0 [pid 6329] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] munmap(0x7f7087200000, 138412032 [pid 6320] <... futex resumed>) = 1 [pid 6320] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6322] <... futex resumed>) = 0 [pid 6328] <... munmap resumed>) = 0 [pid 6322] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6328] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6327] <... ioctl resumed>) = 0 [pid 6326] <... mount resumed>) = 0 [pid 6319] <... write resumed>) = 843776 [pid 6328] <... openat resumed>) = 4 [pid 6328] ioctl(4, LOOP_SET_FD, 3 [pid 6327] close(3 [pid 6319] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [ 237.514674][ T6326] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 237.535832][ T6327] loop2: detected capacity change from 0 to 2048 [pid 6326] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6327] <... close resumed>) = 0 [pid 6326] <... openat resumed>) = 3 [pid 6319] <... futex resumed>) = 0 [pid 6327] close(4 [pid 6319] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] exit_group(0 [pid 6329] <... futex resumed>) = ? [pid 6327] <... close resumed>) = 0 [pid 6326] chdir("./file0" [pid 6317] <... exit_group resumed>) = ? [pid 6319] <... futex resumed>) = ? [pid 6329] +++ exited with 0 +++ [pid 6328] <... ioctl resumed>) = 0 [pid 6327] mkdir("./file0", 0777 [pid 6319] +++ exited with 0 +++ [pid 6328] close(3 [pid 6327] <... mkdir resumed>) = 0 [pid 6328] <... close resumed>) = 0 [pid 6327] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6328] close(4) = 0 [pid 6326] <... chdir resumed>) = 0 [pid 6328] mkdir("./file0", 0777 [pid 6320] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6326] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6328] <... mkdir resumed>) = 0 [pid 6320] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6326] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6320] <... futex resumed>) = 0 [pid 6326] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6326] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6320] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6323] <... futex resumed>) = 0 [pid 6323] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] <... futex resumed>) = 0 [pid 6323] <... futex resumed>) = 1 [pid 6326] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6323] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6326] <... openat resumed>) = 4 [pid 6320] <... mprotect resumed>) = 0 [pid 6326] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6323] <... futex resumed>) = 0 [pid 6320] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6326] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6323] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] <... openat resumed>) = 5 [pid 6323] <... futex resumed>) = 0 [pid 6320] <... rt_sigprocmask resumed>[], 8) = 0 [ 237.559405][ T6328] loop4: detected capacity change from 0 to 2048 [ 237.579551][ T6317] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 237.597799][ T6327] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [pid 6326] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6326] <... futex resumed>) = 0 [pid 6323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6317] +++ exited with 0 +++ [pid 6326] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6323] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6323] <... futex resumed>) = 0 [pid 6320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6323] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6317, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- ./strace-static-x86_64: Process 6330 attached [pid 6326] pwrite64(5, "2", 1, 134220897 [pid 6330] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6326] <... pwrite64 resumed>) = 1 [pid 6330] <... rseq resumed>) = 0 [pid 6326] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] set_robust_list(0x7f708f7669a0, 24 [pid 6326] <... futex resumed>) = 1 [pid 6323] <... futex resumed>) = 0 [pid 6330] <... set_robust_list resumed>) = 0 [pid 6326] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6323] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] rt_sigprocmask(SIG_SETMASK, [], [pid 6323] <... futex resumed>) = 0 [pid 6330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6323] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] <... clone3 resumed> => {parent_tid=[6330]}, 88) = 6330 [pid 6330] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6320] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... futex resumed>) = 0 [pid 6320] <... futex resumed>) = 1 [pid 5856] <... openat resumed>) = 3 [pid 6330] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6320] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6330] <... openat resumed>) = 6 [pid 5856] newfstatat(3, "", [pid 6330] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6330] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6320] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] getdents64(3, [pid 6330] <... futex resumed>) = 0 [pid 6320] <... futex resumed>) = 1 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6330] fdatasync(6 [pid 6320] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6330] <... fdatasync resumed>) = 0 [pid 5856] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6330] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6330] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6322] <... write resumed>) = 843776 [pid 6320] <... futex resumed>) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./30/binderfs" [pid 6322] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... unlink resumed>) = 0 [pid 6320] exit_group(0 [pid 5856] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6330] <... futex resumed>) = ? [pid 6320] <... exit_group resumed>) = ? [pid 6330] +++ exited with 0 +++ [pid 6322] <... futex resumed>) = ? [ 237.618901][ T6328] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 237.631055][ T6327] UDF-fs: Scanning with blocksize 512 failed [ 237.651375][ T6328] UDF-fs: Scanning with blocksize 512 failed [pid 6323] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6323] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6323] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6331 attached => {parent_tid=[6331]}, 88) = 6331 [pid 6331] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6323] rt_sigprocmask(SIG_SETMASK, [], [pid 6331] <... rseq resumed>) = 0 [pid 6323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6331] set_robust_list(0x7f708f7669a0, 24 [pid 6323] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... set_robust_list resumed>) = 0 [pid 6323] <... futex resumed>) = 0 [pid 6331] rt_sigprocmask(SIG_SETMASK, [], [pid 6323] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 237.685244][ T6322] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 237.699569][ T62] bio_check_eod: 292 callbacks suppressed [ 237.699588][ T62] kworker/u8:4: attempt to access beyond end of device [ 237.699588][ T62] loop1: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 237.702507][ T6327] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 237.722166][ T62] buffer_io_error: 290 callbacks suppressed [pid 6331] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6322] +++ exited with 0 +++ [pid 6320] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6320, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 6331] <... openat resumed>) = 6 [pid 6331] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6331] <... futex resumed>) = 1 [pid 6323] <... futex resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6331] fdatasync(6 [pid 6323] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6323] <... futex resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 6323] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5858] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./30/binderfs" [pid 6327] <... mount resumed>) = 0 [pid 5858] <... unlink resumed>) = 0 [pid 6327] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6331] <... fdatasync resumed>) = 0 [pid 6328] <... mount resumed>) = 0 [pid 6327] <... openat resumed>) = 3 [pid 5858] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6331] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6323] <... futex resumed>) = 0 [pid 6331] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6328] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 237.722185][ T62] Buffer I/O error on dev loop1, logical block 1024, lost async page write [ 237.731910][ T6328] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 237.757706][ T62] kworker/u8:4: attempt to access beyond end of device [ 237.757706][ T62] loop1: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 237.771464][ T62] Buffer I/O error on dev loop1, logical block 1024, lost async page write [pid 6327] chdir("./file0" [pid 6326] <... write resumed>) = 843776 [pid 6328] <... openat resumed>) = 3 [pid 6327] <... chdir resumed>) = 0 [pid 6326] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6326] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6323] exit_group(0 [pid 6328] chdir("./file0" [ 237.782701][ T62] kworker/u8:4: attempt to access beyond end of device [ 237.782701][ T62] loop1: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 237.796849][ T62] Buffer I/O error on dev loop1, logical block 1024, lost async page write [ 237.805900][ T62] kworker/u8:4: attempt to access beyond end of device [ 237.805900][ T62] loop1: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 237.810899][ T6323] UDF-fs: warning (device loop0): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [pid 6327] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6331] <... futex resumed>) = ? [pid 6326] <... futex resumed>) = ? [pid 6323] <... exit_group resumed>) = ? [pid 6331] +++ exited with 0 +++ [pid 6328] <... chdir resumed>) = 0 [pid 6327] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6326] +++ exited with 0 +++ [pid 6328] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6327] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6327] <... futex resumed>) = 1 [pid 6324] <... futex resumed>) = 0 [ 237.819875][ T62] Buffer I/O error on dev loop1, logical block 1024, lost async page write [ 237.838840][ T141] kworker/u8:5: attempt to access beyond end of device [ 237.838840][ T141] loop3: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 237.845093][ T62] kworker/u8:4: attempt to access beyond end of device [ 237.845093][ T62] loop1: rw=1, sector=2050, nr_sectors = 2 limit=2048 [ 237.859799][ T141] Buffer I/O error on dev loop3, logical block 1024, lost async page write [pid 6328] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6324] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] +++ exited with 0 +++ [pid 6324] <... futex resumed>) = 0 [pid 6324] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6323, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 6327] <... openat resumed>) = 4 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 6328] <... futex resumed>) = 1 [ 237.871502][ T62] Buffer I/O error on dev loop1, logical block 1025, lost async page write [ 237.882446][ T6323] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 237.889106][ T62] kworker/u8:4: attempt to access beyond end of device [ 237.889106][ T62] loop1: rw=1, sector=2050, nr_sectors = 2 limit=2048 [ 237.900800][ T141] kworker/u8:5: attempt to access beyond end of device [ 237.900800][ T141] loop3: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 237.926950][ T62] Buffer I/O error on dev loop1, logical block 1025, lost async page write [pid 6328] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6327] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] <... futex resumed>) = 0 [pid 5855] <... restart_syscall resumed>) = 0 [pid 6327] <... futex resumed>) = 1 [pid 6325] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... futex resumed>) = 0 [pid 6324] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 237.929839][ T141] Buffer I/O error on dev loop3, logical block 1024, lost async page write [ 237.935886][ T62] kworker/u8:4: attempt to access beyond end of device [ 237.935886][ T62] loop1: rw=1, sector=2050, nr_sectors = 2 limit=2048 [ 237.946101][ T141] kworker/u8:5: attempt to access beyond end of device [ 237.946101][ T141] loop3: rw=1, sector=2048, nr_sectors = 2 limit=2048 [ 237.958174][ T62] Buffer I/O error on dev loop1, logical block 1025, lost async page write [pid 6324] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6328] <... futex resumed>) = 0 [pid 6327] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6325] <... futex resumed>) = 1 [pid 6328] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 6328] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6328] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6327] <... openat resumed>) = 5 [pid 6325] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6327] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6327] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6328] <... futex resumed>) = 0 [pid 6325] <... futex resumed>) = 1 [pid 6324] <... futex resumed>) = 0 [pid 5858] <... umount2 resumed>) = 0 [pid 5856] <... umount2 resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 6328] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6325] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6324] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] newfstatat(3, "", [pid 6328] <... openat resumed>) = 5 [pid 6327] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 1 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6328] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] pwrite64(5, "2", 1, 134220897 [pid 6324] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] newfstatat(AT_FDCWD, "./30/file0", [pid 5856] newfstatat(AT_FDCWD, "./30/file0", [pid 5855] getdents64(3, [pid 6328] <... futex resumed>) = 1 [pid 6327] <... pwrite64 resumed>) = 1 [pid 6325] <... futex resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6328] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6327] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6327] <... futex resumed>) = 1 [pid 6325] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6328] pwrite64(5, "2", 1, 134220897 [pid 6327] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6324] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] newfstatat(AT_FDCWD, "./30/binderfs", [pid 6328] <... pwrite64 resumed>) = 1 [pid 6327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6324] <... futex resumed>) = 0 [pid 5858] <... openat resumed>) = 4 [pid 5856] <... openat resumed>) = 4 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6328] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6324] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] newfstatat(4, "", [pid 5856] newfstatat(4, "", [pid 5855] unlink("./30/binderfs" [pid 6328] <... futex resumed>) = 1 [pid 6325] <... futex resumed>) = 0 [pid 6328] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... unlink resumed>) = 0 [pid 6328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] <... futex resumed>) = 0 [pid 5855] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6328] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6325] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(4, [pid 5856] getdents64(4, [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] getdents64(4, [pid 5858] getdents64(4, [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] close(4 [pid 5858] close(4) = 0 [pid 5856] <... close resumed>) = 0 [pid 5858] rmdir("./30/file0" [ 237.975282][ T141] Buffer I/O error on dev loop3, logical block 1024, lost async page write [ 237.983441][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 237.998489][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5856] rmdir("./30/file0" [pid 5858] <... rmdir resumed>) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 5856] getdents64(3, [pid 5858] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] close(3 [pid 5858] close(3 [pid 5856] <... close resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5856] rmdir("./30" [pid 6327] <... write resumed>) = 843776 [pid 5858] rmdir("./30" [pid 5856] <... rmdir resumed>) = 0 [pid 5858] <... rmdir resumed>) = 0 [pid 6327] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] mkdir("./31", 0777 [pid 5856] mkdir("./31", 0777 [pid 6327] <... futex resumed>) = 1 [pid 6324] <... futex resumed>) = 0 [pid 6324] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6324] <... futex resumed>) = 0 [pid 5856] <... mkdir resumed>) = 0 [pid 6327] <... openat resumed>) = 6 [pid 6324] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... mkdir resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6327] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6327] <... futex resumed>) = 0 [pid 6324] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... openat resumed>) = 3 [pid 6327] fdatasync(6 [pid 6324] <... futex resumed>) = 0 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 6327] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6324] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6327] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5856] <... ioctl resumed>) = 0 [pid 6327] <... futex resumed>) = 0 [pid 6324] exit_group(0 [pid 5858] <... openat resumed>) = 3 [pid 6324] <... exit_group resumed>) = ? [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5856] close(3 [pid 6327] +++ exited with 0 +++ [pid 6325] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5858] <... ioctl resumed>) = 0 [pid 6325] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] close(3 [pid 5856] <... close resumed>) = 0 [pid 6325] <... futex resumed>) = 0 [pid 6325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6325] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6325] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6332]}, 88) = 6332 [pid 6325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6325] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6325] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... close resumed>) = 0 ./strace-static-x86_64: Process 6332 attached [pid 6328] <... write resumed>) = 843776 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6332] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6324] +++ exited with 0 +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6324, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 6332] set_robust_list(0x7f708f7669a0, 24./strace-static-x86_64: Process 6333 attached ) = 0 [pid 5857] restart_syscall(<... resuming interrupted clone ...> [pid 6333] set_robust_list(0x55559362e6a0, 24./strace-static-x86_64: Process 6334 attached [pid 6332] rt_sigprocmask(SIG_SETMASK, [], [pid 6328] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6333 [pid 5857] <... restart_syscall resumed>) = 0 [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6334 [pid 5855] <... umount2 resumed>) = 0 [pid 6334] set_robust_list(0x55559362e6a0, 24 [pid 6332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6332] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5857] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6332] <... openat resumed>) = 6 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6328] <... futex resumed>) = 0 [ 238.104613][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [ 238.106134][ T6324] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5857] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6332] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5857] <... openat resumed>) = 3 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6334] <... set_robust_list resumed>) = 0 [pid 6333] <... set_robust_list resumed>) = 0 [pid 6332] <... futex resumed>) = 1 [pid 6325] <... futex resumed>) = 0 [pid 5857] newfstatat(3, "", [pid 6333] chdir("./31" [pid 6325] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6334] chdir("./31" [pid 6333] <... chdir resumed>) = 0 [pid 6332] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6328] <... futex resumed>) = 0 [pid 6325] <... futex resumed>) = 1 [pid 5857] getdents64(3, [pid 5855] newfstatat(AT_FDCWD, "./30/file0", [pid 6328] fdatasync(6 [pid 6325] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6328] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 5857] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6333] <... prctl resumed>) = 0 [pid 6328] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6334] <... chdir resumed>) = 0 [pid 6333] setpgid(0, 0 [pid 6328] <... futex resumed>) = 1 [pid 6325] <... futex resumed>) = 0 [pid 5857] newfstatat(AT_FDCWD, "./30/binderfs", [pid 5855] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6333] <... setpgid resumed>) = 0 [pid 6328] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] exit_group(0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6334] <... prctl resumed>) = 0 [pid 6333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6332] <... futex resumed>) = ? [pid 6328] <... futex resumed>) = ? [pid 6325] <... exit_group resumed>) = ? [pid 5857] unlink("./30/binderfs" [pid 5855] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6334] setpgid(0, 0 [pid 6333] <... openat resumed>) = 3 [pid 6332] +++ exited with 0 +++ [pid 5857] <... unlink resumed>) = 0 [pid 6334] <... setpgid resumed>) = 0 [pid 5855] <... openat resumed>) = 4 [pid 6334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6334] <... openat resumed>) = 3 [pid 6333] write(3, "1000", 4 [pid 5855] getdents64(4, [pid 6334] write(3, "1000", 4) = 4 [pid 6333] <... write resumed>) = 4 [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6333] close(3) = 0 [pid 6333] symlink("/dev/binderfs", "./binderfs" [pid 5855] getdents64(4, [pid 6334] close(3executing program [pid 6333] <... symlink resumed>) = 0 [pid 6334] <... close resumed>) = 0 [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6333] write(1, "executing program\n", 18 [pid 6334] symlink("/dev/binderfs", "./binderfs" [pid 6333] <... write resumed>) = 18 [pid 5855] close(4executing program [pid 6334] <... symlink resumed>) = 0 [pid 6333] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... close resumed>) = 0 [pid 6334] write(1, "executing program\n", 18 [pid 5855] rmdir("./30/file0" [pid 6334] <... write resumed>) = 18 [pid 6334] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] <... futex resumed>) = 0 [pid 5855] <... rmdir resumed>) = 0 [pid 6334] <... futex resumed>) = 0 [pid 5855] getdents64(3, [pid 6334] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6334] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5855] close(3 [pid 6333] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] <... close resumed>) = 0 [pid 6334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5855] rmdir("./30" [pid 6334] <... mmap resumed>) = 0x7f708f767000 [pid 6333] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6334] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5855] <... rmdir resumed>) = 0 [pid 6334] <... mprotect resumed>) = 0 [pid 6333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] mkdir("./31", 0777 [pid 6333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6333] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5855] <... mkdir resumed>) = 0 [pid 6334] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6333] <... mprotect resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6333] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5855] <... openat resumed>) = 3 [pid 6333] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6335 attached [pid 6334] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 6334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6333] <... clone3 resumed> => {parent_tid=[6335]}, 88) = 6335 [pid 5855] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6336 attached [pid 6335] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6333] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6333] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6335] <... rseq resumed>) = 0 [pid 6334] <... clone3 resumed> => {parent_tid=[6336]}, 88) = 6336 [pid 6336] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 5855] close(3 [pid 6334] rt_sigprocmask(SIG_SETMASK, [], [pid 6336] <... rseq resumed>) = 0 [pid 6328] +++ exited with 0 +++ [pid 6325] +++ exited with 0 +++ [pid 5855] <... close resumed>) = 0 [pid 6336] set_robust_list(0x7f708f7879a0, 24 [pid 6335] set_robust_list(0x7f708f7879a0, 24 [pid 6334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6336] <... set_robust_list resumed>) = 0 [pid 6335] <... set_robust_list resumed>) = 0 [ 238.216131][ T6328] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6325, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 6336] rt_sigprocmask(SIG_SETMASK, [], [pid 6334] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] rt_sigprocmask(SIG_SETMASK, [], [pid 6334] <... futex resumed>) = 0 [pid 6334] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6335] memfd_create("syzkaller", 0 [pid 5859] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6335] <... memfd_create resumed>) = 3 [pid 5859] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6337 attached [pid 6336] memfd_create("syzkaller", 0 [pid 6335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5859] newfstatat(3, "", [pid 6336] <... memfd_create resumed>) = 3 [pid 6335] <... mmap resumed>) = 0x7f7087200000 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6337 [pid 6337] set_robust_list(0x55559362e6a0, 24 [pid 6336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6337] <... set_robust_list resumed>) = 0 [pid 6337] chdir("./31" [pid 6336] <... mmap resumed>) = 0x7f7087200000 [pid 5859] getdents64(3, [pid 5857] <... umount2 resumed>) = 0 [pid 6337] <... chdir resumed>) = 0 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6337] setpgid(0, 0) = 0 [pid 6337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6335] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6337] <... openat resumed>) = 3 [pid 5857] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] newfstatat(AT_FDCWD, "./30/binderfs", [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6337] write(3, "1000", 4 [pid 5859] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] newfstatat(AT_FDCWD, "./30/file0", [pid 5859] unlink("./30/binderfs" [pid 6337] <... write resumed>) = 4 [pid 5859] <... unlink resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6337] close(3 [pid 5859] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6337] <... close resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6337] symlink("/dev/binderfs", "./binderfs") = 0 [ 238.262438][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 5857] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6337] write(1, "executing program\n", 18 [pid 5857] <... openat resumed>) = 4 [pid 5857] newfstatat(4, "", executing program {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6337] <... write resumed>) = 18 [pid 5857] getdents64(4, [pid 6337] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6337] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 5857] getdents64(4, [pid 6337] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5857] close(4 [pid 6337] <... mmap resumed>) = 0x7f708f767000 [pid 5857] <... close resumed>) = 0 [pid 6337] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5857] rmdir("./30/file0" [pid 6337] <... mprotect resumed>) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 6337] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6336] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576./strace-static-x86_64: Process 6338 attached [pid 5857] getdents64(3, [pid 6338] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6337] <... clone3 resumed> => {parent_tid=[6338]}, 88) = 6338 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6338] <... rseq resumed>) = 0 [pid 6337] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] close(3 [pid 6338] set_robust_list(0x7f708f7879a0, 24 [pid 6337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6338] <... set_robust_list resumed>) = 0 [pid 6337] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... close resumed>) = 0 [pid 6338] rt_sigprocmask(SIG_SETMASK, [], [pid 6337] <... futex resumed>) = 0 [pid 6338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6337] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5857] rmdir("./30" [pid 6338] memfd_create("syzkaller", 0 [pid 5857] <... rmdir resumed>) = 0 [pid 6338] <... memfd_create resumed>) = 3 [pid 6338] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6336] <... write resumed>) = 1048576 [pid 6335] <... write resumed>) = 1048576 [pid 6336] munmap(0x7f7087200000, 138412032 [pid 6335] munmap(0x7f7087200000, 138412032 [pid 6336] <... munmap resumed>) = 0 [pid 6335] <... munmap resumed>) = 0 [pid 5857] mkdir("./31", 0777 [pid 6336] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6335] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5857] <... mkdir resumed>) = 0 [pid 6336] <... openat resumed>) = 4 [pid 6335] <... openat resumed>) = 4 [pid 6336] ioctl(4, LOOP_SET_FD, 3 [pid 6335] ioctl(4, LOOP_SET_FD, 3 [pid 6338] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6336] <... ioctl resumed>) = 0 [pid 6335] <... ioctl resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6335] close(3) = 0 [ 238.366298][ T6336] loop1: detected capacity change from 0 to 2048 [ 238.373993][ T6335] loop3: detected capacity change from 0 to 2048 [ 238.376817][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6335] close(4 [pid 6338] <... write resumed>) = 1048576 [pid 6336] close(3 [pid 5857] <... openat resumed>) = 3 [pid 6335] <... close resumed>) = 0 [pid 5857] ioctl(3, LOOP_CLR_FD) = 0 [pid 5857] close(3 [pid 5859] <... umount2 resumed>) = 0 [pid 6336] <... close resumed>) = 0 [pid 6336] close(4) = 0 [pid 6336] mkdir("./file0", 0777) = 0 [pid 6335] mkdir("./file0", 0777) = 0 [pid 6336] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 6335] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 5859] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(AT_FDCWD, "./30/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6338] munmap(0x7f7087200000, 138412032 [pid 5859] <... openat resumed>) = 4 [pid 5857] <... close resumed>) = 0 [pid 6338] <... munmap resumed>) = 0 [pid 6338] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6338] ioctl(4, LOOP_SET_FD, 3 [pid 5859] newfstatat(4, "", [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6339 attached [pid 5859] getdents64(4, [pid 6339] set_robust_list(0x55559362e6a0, 24 [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6339 [pid 5859] getdents64(4, [pid 6339] <... set_robust_list resumed>) = 0 [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6339] chdir("./31" [pid 5859] close(4 [pid 6339] <... chdir resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5859] rmdir("./30/file0" [pid 6339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] <... rmdir resumed>) = 0 [pid 6339] <... prctl resumed>) = 0 [pid 5859] getdents64(3, [pid 6339] setpgid(0, 0 [pid 5859] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6339] <... setpgid resumed>) = 0 [pid 5859] close(3 [pid 6339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] <... close resumed>) = 0 [pid 6338] <... ioctl resumed>) = 0 [pid 5859] rmdir("./30" [pid 6338] close(3) = 0 [pid 6338] close(4) = 0 [pid 5859] <... rmdir resumed>) = 0 [pid 6339] <... openat resumed>) = 3 [pid 6338] mkdir("./file0", 0777 [pid 6339] write(3, "1000", 4 [pid 6338] <... mkdir resumed>) = 0 [pid 6339] <... write resumed>) = 4 [pid 6338] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 5859] mkdir("./31", 0777 [pid 6339] close(3) = 0 [ 238.435281][ T6336] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found [ 238.442555][ T6338] loop0: detected capacity change from 0 to 2048 [ 238.462691][ T6336] UDF-fs: Scanning with blocksize 512 failed [ 238.474222][ T6335] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [pid 6339] symlink("/dev/binderfs", "./binderfs" [pid 5859] <... mkdir resumed>) = 0 executing program [pid 6339] <... symlink resumed>) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6339] write(1, "executing program\n", 18) = 18 [pid 5859] <... openat resumed>) = 3 [pid 6339] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] ioctl(3, LOOP_CLR_FD [pid 6339] <... futex resumed>) = 0 [pid 5859] <... ioctl resumed>) = 0 [pid 6339] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 5859] close(3) = 0 [pid 6339] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6336] <... mount resumed>) = 0 [pid 6339] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6336] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6336] chdir("./file0" [pid 6339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6336] <... chdir resumed>) = 0 [pid 6339] <... mmap resumed>) = 0x7f708f767000 [pid 6336] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6339] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6336] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6339] <... mprotect resumed>) = 0 [pid 6336] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6336] <... futex resumed>) = 1 [pid 6334] <... futex resumed>) = 0 [pid 6339] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6336] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6334] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6334] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6340 attached [pid 6334] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6341 attached [pid 6340] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6339] <... clone3 resumed> => {parent_tid=[6340]}, 88) = 6340 [pid 6336] <... openat resumed>) = 4 [pid 6340] <... rseq resumed>) = 0 [ 238.484744][ T6335] UDF-fs: Scanning with blocksize 512 failed [ 238.494669][ T6336] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 238.516268][ T6338] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [pid 6340] set_robust_list(0x7f708f7879a0, 24 [pid 6339] rt_sigprocmask(SIG_SETMASK, [], [pid 6336] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] set_robust_list(0x55559362e6a0, 24 [pid 6340] <... set_robust_list resumed>) = 0 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6341 [pid 6340] rt_sigprocmask(SIG_SETMASK, [], [pid 6336] <... futex resumed>) = 1 [pid 6334] <... futex resumed>) = 0 [pid 6341] <... set_robust_list resumed>) = 0 [pid 6340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6336] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6334] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6341] chdir("./31" [pid 6336] <... openat resumed>) = 5 [pid 6334] <... futex resumed>) = 0 [pid 6339] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... futex resumed>) = 0 [pid 6339] <... futex resumed>) = 1 [pid 6341] <... chdir resumed>) = 0 [pid 6340] memfd_create("syzkaller", 0 [pid 6339] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6336] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6340] <... memfd_create resumed>) = 3 [pid 6336] <... futex resumed>) = 0 [pid 6340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6341] <... prctl resumed>) = 0 [pid 6336] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6341] setpgid(0, 0 [pid 6336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6334] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... mmap resumed>) = 0x7f7087200000 [pid 6341] <... setpgid resumed>) = 0 [pid 6336] pwrite64(5, "2", 1, 134220897 [pid 6334] <... futex resumed>) = 0 [pid 6341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6336] <... pwrite64 resumed>) = 1 [pid 6334] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] <... openat resumed>) = 3 [pid 6336] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6334] <... futex resumed>) = 0 [pid 6334] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6334] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] write(3, "1000", 4 [pid 6336] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6341] <... write resumed>) = 4 [pid 6335] <... mount resumed>) = 0 [pid 6341] close(3) = 0 [pid 6335] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6341] symlink("/dev/binderfs", "./binderfs" [pid 6335] <... openat resumed>) = 3 [pid 6341] <... symlink resumed>) = 0 [pid 6335] chdir("./file0") = 0 [pid 6335] openat(AT_FDCWD, "/dev/loop3", O_RDWRexecuting program [pid 6341] write(1, "executing program\n", 18 [pid 6335] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6341] <... write resumed>) = 18 [pid 6341] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6341] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6341] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6341] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6340] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6335] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6333] <... futex resumed>) = 0 [pid 6335] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6335] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6341] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6335] <... openat resumed>) = 4 [pid 6341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6335] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6342 attached [pid 6341] <... clone3 resumed> => {parent_tid=[6342]}, 88) = 6342 [pid 6341] rt_sigprocmask(SIG_SETMASK, [], [pid 6335] <... futex resumed>) = 1 [pid 6341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6335] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] <... futex resumed>) = 0 [pid 6341] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] <... futex resumed>) = 0 [pid 6333] <... futex resumed>) = 1 [pid 6341] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6335] <... futex resumed>) = 0 [pid 6333] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6335] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6342] <... rseq resumed>) = 0 [pid 6342] set_robust_list(0x7f708f7879a0, 24) = 0 [pid 6342] rt_sigprocmask(SIG_SETMASK, [], [pid 6335] <... openat resumed>) = 5 [pid 6342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6335] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [ 238.532501][ T6335] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 238.533119][ T6338] UDF-fs: Scanning with blocksize 512 failed [pid 6342] memfd_create("syzkaller", 0 [pid 6335] <... futex resumed>) = 1 [pid 6333] <... futex resumed>) = 0 [pid 6333] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... memfd_create resumed>) = 3 [pid 6340] <... write resumed>) = 1048576 [pid 6335] pwrite64(5, "2", 1, 134220897 [pid 6334] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6333] <... futex resumed>) = 0 [pid 6342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6334] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] <... mmap resumed>) = 0x7f7087200000 [pid 6334] <... futex resumed>) = 0 [pid 6342] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6335] <... pwrite64 resumed>) = 1 [pid 6334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6340] munmap(0x7f7087200000, 138412032 [pid 6335] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6333] <... futex resumed>) = 0 [pid 6340] <... munmap resumed>) = 0 [pid 6335] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6333] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6340] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6334] <... mmap resumed>) = 0x7f708f746000 [pid 6340] <... openat resumed>) = 4 [pid 6335] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6334] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6340] ioctl(4, LOOP_SET_FD, 3 [pid 6334] <... mprotect resumed>) = 0 [pid 6334] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6343]}, 88) = 6343 ./strace-static-x86_64: Process 6343 attached [pid 6334] rt_sigprocmask(SIG_SETMASK, [], [pid 6343] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6343] <... rseq resumed>) = 0 [pid 6334] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] set_robust_list(0x7f708f7669a0, 24 [pid 6334] <... futex resumed>) = 0 [pid 6343] <... set_robust_list resumed>) = 0 [pid 6340] <... ioctl resumed>) = 0 [pid 6334] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6340] close(3) = 0 [pid 6340] close(4 [pid 6343] rt_sigprocmask(SIG_SETMASK, [], [pid 6342] <... write resumed>) = 1048576 [pid 6343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6343] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6343] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6340] <... close resumed>) = 0 [pid 6334] <... futex resumed>) = 0 [pid 6343] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] mkdir("./file0", 0777 [pid 6338] <... mount resumed>) = 0 [pid 6334] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6340] <... mkdir resumed>) = 0 [pid 6338] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6334] <... futex resumed>) = 0 [pid 6343] fdatasync(6 [pid 6342] munmap(0x7f7087200000, 138412032 [pid 6338] <... openat resumed>) = 3 [pid 6334] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] <... fdatasync resumed>) = 0 [pid 6342] <... munmap resumed>) = 0 [pid 6340] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6338] chdir("./file0" [pid 6343] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6338] <... chdir resumed>) = 0 [pid 6333] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6343] <... futex resumed>) = 1 [pid 6338] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6334] <... futex resumed>) = 0 [pid 6333] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6343] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6342] <... openat resumed>) = 4 [pid 6338] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 238.631433][ T6340] loop2: detected capacity change from 0 to 2048 [ 238.640187][ T6338] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6342] ioctl(4, LOOP_SET_FD, 3 [pid 6338] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] <... mmap resumed>) = 0x7f708f746000 [pid 6338] <... futex resumed>) = 1 [pid 6337] <... futex resumed>) = 0 [pid 6337] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6338] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6337] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6333] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6336] <... write resumed>) = 843776 [pid 6342] <... ioctl resumed>) = 0 [pid 6338] <... openat resumed>) = 4 [pid 6335] <... write resumed>) = 843776 [pid 6333] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6338] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6338] <... futex resumed>) = 1 [pid 6337] <... futex resumed>) = 0 [pid 6335] <... futex resumed>) = 0 [pid 6333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6342] close(3 [pid 6338] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... close resumed>) = 0 [pid 6338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6337] <... futex resumed>) = 0 [pid 6336] <... futex resumed>) = 0 [pid 6342] close(4 [pid 6338] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6337] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6336] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6342] <... close resumed>) = 0 [pid 6338] <... openat resumed>) = 5 [pid 6342] mkdir("./file0", 0777 [pid 6338] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... mkdir resumed>) = 0 [pid 6338] <... futex resumed>) = 1 [pid 6337] <... futex resumed>) = 0 [pid 6342] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6338] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6337] <... futex resumed>) = 0 [pid 6334] exit_group(0 [pid 6338] pwrite64(5, "2", 1, 134220897 [pid 6337] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] <... pwrite64 resumed>) = 1 [pid 6336] <... futex resumed>) = ? [pid 6334] <... exit_group resumed>) = ? [pid 6338] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] +++ exited with 0 +++ [pid 6338] <... futex resumed>) = 1 [pid 6337] <... futex resumed>) = 0 [pid 6338] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6337] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6337] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] <... futex resumed>) = ? ./strace-static-x86_64: Process 6344 attached [pid 6344] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6344] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6344] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [ 238.684848][ T6340] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 238.685561][ T6342] loop4: detected capacity change from 0 to 2048 [ 238.712293][ T6340] UDF-fs: Scanning with blocksize 512 failed [pid 6333] <... clone3 resumed> => {parent_tid=[6344]}, 88) = 6344 [pid 6335] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 238.730365][ T6340] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 238.754766][ T6343] UDF-fs: warning (device loop1): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 238.775073][ T6343] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6333] rt_sigprocmask(SIG_SETMASK, [], [pid 6343] +++ exited with 0 +++ [pid 6340] <... mount resumed>) = 0 [pid 6334] +++ exited with 0 +++ [pid 6333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6340] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6333] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6334, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 6340] <... openat resumed>) = 3 [pid 6333] <... futex resumed>) = 1 [pid 6344] <... futex resumed>) = 0 [pid 6340] chdir("./file0" [pid 6337] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6333] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6344] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6340] <... chdir resumed>) = 0 [pid 6337] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... openat resumed>) = 6 [pid 6340] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6337] <... futex resumed>) = 0 [pid 6337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5856] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6344] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6337] <... mmap resumed>) = 0x7f708f746000 [pid 6344] <... futex resumed>) = 1 [pid 6337] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6333] <... futex resumed>) = 0 [pid 6344] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6333] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6337] <... mprotect resumed>) = 0 [pid 6337] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6345]}, 88) = 6345 [pid 6337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6337] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6337] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6345 attached [pid 6340] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... futex resumed>) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6345] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6340] <... futex resumed>) = 1 [pid 6335] fdatasync(6 [pid 5856] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6339] <... futex resumed>) = 0 [pid 6345] <... rseq resumed>) = 0 [pid 6340] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6335] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6345] set_robust_list(0x7f708f7669a0, 24 [pid 6340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6339] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... openat resumed>) = 3 [pid 6345] <... set_robust_list resumed>) = 0 [pid 6340] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6339] <... futex resumed>) = 0 [pid 6335] <... futex resumed>) = 1 [pid 5856] newfstatat(3, "", [pid 6333] <... futex resumed>) = 0 [pid 6345] rt_sigprocmask(SIG_SETMASK, [], [pid 6335] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6340] <... openat resumed>) = 4 [pid 6339] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6345] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5856] getdents64(3, [pid 6345] <... openat resumed>) = 6 [pid 6333] exit_group(0 [pid 5856] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6345] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... futex resumed>) = ? [pid 6340] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... futex resumed>) = ? [pid 6333] <... exit_group resumed>) = ? [pid 6345] <... futex resumed>) = 1 [pid 6344] +++ exited with 0 +++ [pid 6340] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6337] <... futex resumed>) = 0 [pid 6335] +++ exited with 0 +++ [pid 5856] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6345] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6339] <... futex resumed>) = 0 [pid 6337] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] newfstatat(AT_FDCWD, "./31/binderfs", [pid 6340] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6337] <... futex resumed>) = 1 [pid 6337] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6333] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6333, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 6345] <... futex resumed>) = 0 [ 238.776980][ T6342] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 238.798580][ T6342] UDF-fs: Scanning with blocksize 512 failed [ 238.819832][ T6333] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6339] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6345] fdatasync(6 [pid 6340] <... openat resumed>) = 5 [pid 6338] <... write resumed>) = 843776 [pid 5858] <... restart_syscall resumed>) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6345] <... fdatasync resumed>) = 0 [pid 6342] <... mount resumed>) = 0 [pid 6340] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] unlink("./31/binderfs" [pid 6345] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6340] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6338] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... unlink resumed>) = 0 [pid 6345] <... futex resumed>) = 1 [pid 6340] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] <... futex resumed>) = 0 [pid 5856] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6345] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6342] <... openat resumed>) = 3 [pid 6337] exit_group(0) = ? [pid 6345] <... futex resumed>) = ? [pid 6342] chdir("./file0" [pid 6345] +++ exited with 0 +++ [pid 6342] <... chdir resumed>) = 0 [pid 6342] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6339] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... futex resumed>) = ? [pid 6342] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6342] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... futex resumed>) = 0 [pid 6339] <... futex resumed>) = 1 [pid 5858] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6342] <... futex resumed>) = 1 [pid 6341] <... futex resumed>) = 0 [pid 6340] pwrite64(5, "2", 1, 134220897 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6342] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6341] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6341] <... futex resumed>) = 0 [pid 6340] <... pwrite64 resumed>) = 1 [pid 6342] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6341] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6340] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... openat resumed>) = 3 [pid 5858] newfstatat(3, "", [pid 6342] <... openat resumed>) = 4 [pid 6340] <... futex resumed>) = 0 [pid 6339] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6340] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6338] +++ exited with 0 +++ [pid 6337] +++ exited with 0 +++ [pid 5858] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6337, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6339] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./31/binderfs", [pid 6342] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... futex resumed>) = 0 [pid 6339] <... futex resumed>) = 1 [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6342] <... futex resumed>) = 1 [pid 6341] <... futex resumed>) = 0 [pid 5858] unlink("./31/binderfs" [pid 6342] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6341] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... unlink resumed>) = 0 [pid 6342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6341] <... futex resumed>) = 0 [pid 6341] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 5858] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6342] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] <... futex resumed>) = 0 [pid 6341] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 238.840275][ T6342] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 238.859849][ T6338] UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 818 [pid 6341] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] <... futex resumed>) = 1 [pid 6340] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6339] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] pwrite64(5, "2", 1, 134220897 [pid 5855] <... restart_syscall resumed>) = 0 [pid 6342] <... pwrite64 resumed>) = 1 [pid 5855] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5855] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./31/binderfs") = 0 [pid 5855] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6342] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6341] <... futex resumed>) = 0 [pid 6342] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6341] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6342] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6341] <... futex resumed>) = 0 [ 238.880117][ T5856] UDF-fs: warning (device loop1): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134223872. Filesystem need not be standards compliant. [pid 6341] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6339] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6339] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6339] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6339] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6346 attached => {parent_tid=[6346]}, 88) = 6346 [pid 6346] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6339] rt_sigprocmask(SIG_SETMASK, [], [pid 6346] <... rseq resumed>) = 0 [pid 6339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6346] set_robust_list(0x7f708f7669a0, 24 [pid 6339] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... set_robust_list resumed>) = 0 [pid 6339] <... futex resumed>) = 0 [pid 6346] rt_sigprocmask(SIG_SETMASK, [], [pid 6339] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6346] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6341] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6346] <... openat resumed>) = 6 [pid 6342] <... write resumed>) = 843776 [pid 6341] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... umount2 resumed>) = 0 [pid 5856] <... umount2 resumed>) = 0 [pid 6346] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] <... futex resumed>) = 0 [pid 6341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6341] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6341] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6346] <... futex resumed>) = 1 [pid 6342] <... futex resumed>) = 0 [pid 6341] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6339] <... futex resumed>) = 0 [pid 5858] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6346] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6342] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6339] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6347 attached [pid 6346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6339] <... futex resumed>) = 0 [pid 5858] newfstatat(AT_FDCWD, "./31/file0", [pid 5856] newfstatat(AT_FDCWD, "./31/file0", [pid 6347] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6346] fdatasync(6 [pid 6341] <... clone3 resumed> => {parent_tid=[6347]}, 88) = 6347 [pid 6339] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6347] <... rseq resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6347] set_robust_list(0x7f708f7669a0, 24 [pid 6341] rt_sigprocmask(SIG_SETMASK, [], [pid 6346] <... fdatasync resumed>) = 0 [pid 5856] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6347] <... set_robust_list resumed>) = 0 [pid 6341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6346] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6347] rt_sigprocmask(SIG_SETMASK, [], [pid 6341] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6346] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6346] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6341] <... futex resumed>) = 0 [pid 6347] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6341] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] <... openat resumed>) = 4 [pid 6347] <... openat resumed>) = 6 [pid 5858] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6347] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6341] <... futex resumed>) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(4, "", [pid 6341] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6342] <... futex resumed>) = 0 [pid 6341] <... futex resumed>) = 1 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6342] fdatasync(6 [pid 6341] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... openat resumed>) = 4 [pid 5856] getdents64(4, [pid 6347] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6342] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6342] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6341] <... futex resumed>) = 0 [pid 5858] newfstatat(4, "", [pid 5856] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6342] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6341] exit_group(0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6347] <... futex resumed>) = ? [pid 6342] <... futex resumed>) = ? [pid 6341] <... exit_group resumed>) = ? [ 238.963295][ T5858] UDF-fs: warning (device loop3): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [ 238.986601][ T5855] UDF-fs: warning (device loop0): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6340] <... write resumed>) = 843776 [pid 5856] getdents64(4, [pid 6347] +++ exited with 0 +++ [pid 6342] +++ exited with 0 +++ [pid 5858] getdents64(4, [pid 5856] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5855] <... umount2 resumed>) = 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5856] close(4 [pid 5858] getdents64(4, [pid 5856] <... close resumed>) = 0 [pid 5858] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5856] rmdir("./31/file0" [pid 5858] close(4 [pid 5856] <... rmdir resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5856] getdents64(3, [pid 5858] rmdir("./31/file0" [pid 5856] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5855] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... rmdir resumed>) = 0 [pid 5856] close(3 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6341] +++ exited with 0 +++ [pid 6340] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] getdents64(3, [pid 5856] <... close resumed>) = 0 [pid 5855] newfstatat(AT_FDCWD, "./31/file0", [pid 6340] <... futex resumed>) = 0 [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6341, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5858] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5856] rmdir("./31" [pid 6340] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] close(3 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] <... close resumed>) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 6339] exit_group(0 [pid 5859] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] rmdir("./31" [pid 5856] mkdir("./32", 0777 [pid 5855] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6346] <... futex resumed>) = ? [pid 6340] <... futex resumed>) = ? [pid 6339] <... exit_group resumed>) = ? [pid 5859] <... openat resumed>) = 3 [pid 6346] +++ exited with 0 +++ [pid 6340] +++ exited with 0 +++ [pid 5859] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] <... mkdir resumed>) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] <... rmdir resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5855] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] unlink("./31/binderfs") = 0 [pid 5859] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] mkdir("./32", 0777 [pid 5856] <... openat resumed>) = 3 [pid 5855] <... openat resumed>) = 4 [pid 5858] <... mkdir resumed>) = 0 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 5855] newfstatat(4, "", [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5856] <... ioctl resumed>) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5855] getdents64(4, [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5856] close(3 [pid 5858] <... ioctl resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5855] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 5858] close(3 [pid 5855] getdents64(4, [pid 5858] <... close resumed>) = 0 [pid 5855] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6339] +++ exited with 0 +++ [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6339, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] close(4) = 0 [pid 5855] rmdir("./31/file0"./strace-static-x86_64: Process 6348 attached [ 239.033833][ T6341] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 239.052631][ T6339] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 ./strace-static-x86_64: Process 6349 attached [pid 6348] set_robust_list(0x55559362e6a0, 24 [pid 5858] <... clone resumed>, child_tidptr=0x55559362e690) = 6349 [pid 5857] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... clone resumed>, child_tidptr=0x55559362e690) = 6348 [pid 5855] <... rmdir resumed>) = 0 [pid 6349] set_robust_list(0x55559362e6a0, 24 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] getdents64(3, [pid 6348] <... set_robust_list resumed>) = 0 [pid 6348] chdir("./32" [pid 5857] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6349] <... set_robust_list resumed>) = 0 [pid 6348] <... chdir resumed>) = 0 [pid 5857] <... openat resumed>) = 3 [pid 6349] chdir("./32" [pid 5855] close(3 [pid 6349] <... chdir resumed>) = 0 [pid 6348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] newfstatat(3, "", [pid 5855] <... close resumed>) = 0 [pid 6349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] rmdir("./31" [pid 6349] <... prctl resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6348] <... prctl resumed>) = 0 [pid 6348] setpgid(0, 0 [pid 5855] <... rmdir resumed>) = 0 [pid 6349] setpgid(0, 0 [pid 6348] <... setpgid resumed>) = 0 [pid 5857] getdents64(3, [pid 6349] <... setpgid resumed>) = 0 [pid 6348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] mkdir("./32", 0777 [pid 6349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6348] <... openat resumed>) = 3 [pid 5857] <... getdents64 resumed>0x55559362f730 /* 4 entries */, 32768) = 112 [pid 6348] write(3, "1000", 4) = 4 [pid 5855] <... mkdir resumed>) = 0 [pid 6349] <... openat resumed>) = 3 [pid 6348] close(3 [pid 6349] write(3, "1000", 4 [pid 5857] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6348] <... close resumed>) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6348] symlink("/dev/binderfs", "./binderfs" [pid 5857] newfstatat(AT_FDCWD, "./31/binderfs", [pid 5855] <... openat resumed>) = 3 [pid 6349] <... write resumed>) = 4 [pid 6348] <... symlink resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6349] close(3 [pid 6348] write(1, "executing program\n", 18executing program [pid 5855] ioctl(3, LOOP_CLR_FD [pid 6349] <... close resumed>) = 0 [pid 6348] <... write resumed>) = 18 [pid 5857] unlink("./31/binderfs" [pid 6349] symlink("/dev/binderfs", "./binderfs" [pid 6348] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... ioctl resumed>) = 0 [pid 6348] <... futex resumed>) = 0 [pid 5857] <... unlink resumed>) = 0 [pid 6349] <... symlink resumed>) = 0 [pid 6348] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, executing program [pid 5857] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] close(3 [pid 6349] write(1, "executing program\n", 18 [pid 6348] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6349] <... write resumed>) = 18 [pid 6348] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6348] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6348] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6350 attached => {parent_tid=[6350]}, 88) = 6350 [pid 6348] rt_sigprocmask(SIG_SETMASK, [], [ 239.104074][ T5859] UDF-fs: warning (device loop4): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6350] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6349] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6350] <... rseq resumed>) = 0 [pid 6349] <... futex resumed>) = 0 [pid 6350] set_robust_list(0x7f708f7879a0, 24 [pid 6349] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, [pid 6348] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... set_robust_list resumed>) = 0 [pid 6348] <... futex resumed>) = 0 [pid 6350] rt_sigprocmask(SIG_SETMASK, [], [pid 6348] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6350] memfd_create("syzkaller", 0) = 3 [pid 6350] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6349] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6350] <... mmap resumed>) = 0x7f7087200000 [pid 6349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5855] <... close resumed>) = 0 [pid 6349] <... mmap resumed>) = 0x7f708f767000 [pid 5859] <... umount2 resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6349] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6351 attached ) = 0 [pid 6351] set_robust_list(0x55559362e6a0, 24 [pid 6349] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... clone resumed>, child_tidptr=0x55559362e690) = 6351 [pid 6351] <... set_robust_list resumed>) = 0 [pid 6350] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6349] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6351] chdir("./32" [pid 6349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5859] newfstatat(AT_FDCWD, "./31/file0", ./strace-static-x86_64: Process 6352 attached [pid 6351] <... chdir resumed>) = 0 [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6352] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6349] <... clone3 resumed> => {parent_tid=[6352]}, 88) = 6352 [pid 5859] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6352] <... rseq resumed>) = 0 [pid 6351] <... prctl resumed>) = 0 [pid 6349] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6352] set_robust_list(0x7f708f7879a0, 24 [pid 6351] setpgid(0, 0 [pid 6349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6352] <... set_robust_list resumed>) = 0 [pid 6351] <... setpgid resumed>) = 0 [pid 6352] rt_sigprocmask(SIG_SETMASK, [], [pid 6351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6349] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... openat resumed>) = 4 [pid 6352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6351] <... openat resumed>) = 3 [pid 6349] <... futex resumed>) = 0 [pid 5859] newfstatat(4, "", [pid 6352] memfd_create("syzkaller", 0 [pid 6349] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6352] <... memfd_create resumed>) = 3 [pid 5859] getdents64(4, [pid 6352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5859] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6352] <... mmap resumed>) = 0x7f7087200000 [pid 6351] write(3, "1000", 4 [pid 5859] getdents64(4, [pid 6351] <... write resumed>) = 4 [pid 5859] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 6351] close(3 [pid 5859] close(4 [pid 6351] <... close resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 6351] symlink("/dev/binderfs", "./binderfs" [pid 5859] rmdir("./31/file0" [pid 6351] <... symlink resumed>) = 0 [pid 5859] <... rmdir resumed>) = 0 [pid 6351] write(1, "executing program\n", 18 [pid 5859] getdents64(3, 0x55559362f730 /* 0 entries */, 32768) = 0 [pid 5859] close(3) = 0 [pid 5859] rmdir("./31" [pid 6351] <... write resumed>) = 18 [pid 5859] <... rmdir resumed>) = 0 [pid 6351] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6351] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f767000 [pid 6351] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE) = 0 executing program [pid 6352] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6351] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 5859] mkdir("./32", 0777./strace-static-x86_64: Process 6353 attached ) = 0 [pid 6353] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6351] <... clone3 resumed> => {parent_tid=[6353]}, 88) = 6353 [pid 6351] rt_sigprocmask(SIG_SETMASK, [], [pid 6353] <... rseq resumed>) = 0 [pid 6351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6353] set_robust_list(0x7f708f7879a0, 24 [pid 6351] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6353] <... set_robust_list resumed>) = 0 [pid 6351] <... futex resumed>) = 0 [pid 6353] rt_sigprocmask(SIG_SETMASK, [], [pid 6351] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... openat resumed>) = 3 [pid 6353] memfd_create("syzkaller", 0 [pid 5859] ioctl(3, LOOP_CLR_FD [pid 6353] <... memfd_create resumed>) = 3 [pid 5859] <... ioctl resumed>) = 0 [pid 6353] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7087200000 [pid 6352] <... write resumed>) = 1048576 [pid 6350] <... write resumed>) = 1048576 [pid 5859] close(3 [pid 5857] <... umount2 resumed>) = 0 [pid 6352] munmap(0x7f7087200000, 138412032 [ 239.203202][ T5857] UDF-fs: warning (device loop2): udf_evict_inode: Inode 818 (mode 100755) has inode size 134220898 different from extent length 134222848. Filesystem need not be standards compliant. [pid 6350] munmap(0x7f7087200000, 138412032) = 0 [pid 6352] <... munmap resumed>) = 0 [pid 6350] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5857] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6350] ioctl(4, LOOP_SET_FD, 3 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6352] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6352] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6353] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6350] <... ioctl resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5857] newfstatat(AT_FDCWD, "./31/file0", [pid 6350] close(3 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6350] <... close resumed>) = 0 [pid 6350] close(4) = 0 [pid 6352] close(3 [pid 6350] mkdir("./file0", 0777./strace-static-x86_64: Process 6354 attached [pid 6352] <... close resumed>) = 0 [pid 6350] <... mkdir resumed>) = 0 [pid 5857] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6354] set_robust_list(0x55559362e6a0, 24 [pid 6352] close(4 [pid 6350] mount("/dev/loop1", "./file0", "udf", 0, "" [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6354] <... set_robust_list resumed>) = 0 [pid 6352] <... close resumed>) = 0 [pid 5859] <... clone resumed>, child_tidptr=0x55559362e690) = 6354 [pid 5857] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6354] chdir("./32" [pid 6353] <... write resumed>) = 1048576 [pid 5857] <... openat resumed>) = 4 [pid 6352] mkdir("./file0", 0777) = 0 [pid 6352] mount("/dev/loop3", "./file0", "udf", 0, "" [pid 6354] <... chdir resumed>) = 0 [pid 5857] newfstatat(4, "", [pid 6354] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6354] <... prctl resumed>) = 0 [pid 5857] getdents64(4, [pid 6354] setpgid(0, 0) = 0 [pid 5857] <... getdents64 resumed>0x555593637770 /* 2 entries */, 32768) = 48 [pid 6354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] getdents64(4, [pid 6354] <... openat resumed>) = 3 [pid 5857] <... getdents64 resumed>0x555593637770 /* 0 entries */, 32768) = 0 [pid 5857] close(4) = 0 [pid 6354] write(3, "1000", 4 [pid 5857] rmdir("./31/file0" [pid 6354] <... write resumed>) = 4 [pid 6354] close(3 [pid 5857] <... rmdir resumed>) = 0 [ 239.265602][ T6350] loop1: detected capacity change from 0 to 2048 [ 239.274769][ T6352] loop3: detected capacity change from 0 to 2048 [ 239.302635][ T6350] UDF-fs: warning (device loop1): udf_load_vrs: No anchor found executing program [pid 6354] <... close resumed>) = 0 [pid 5857] getdents64(3, [pid 6354] symlink("/dev/binderfs", "./binderfs" [pid 5857] <... getdents64 resumed>0x55559362f730 /* 0 entries */, 32768) = 0 [pid 6354] <... symlink resumed>) = 0 [pid 5857] close(3 [pid 6354] write(1, "executing program\n", 18 [pid 5857] <... close resumed>) = 0 [pid 6354] <... write resumed>) = 18 [pid 5857] rmdir("./31" [pid 6354] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6354] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6354] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 6353] munmap(0x7f7087200000, 138412032) = 0 [pid 6353] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5857] mkdir("./32", 0777 [pid 6354] <... mmap resumed>) = 0x7f708f767000 [pid 6353] ioctl(4, LOOP_SET_FD, 3 [pid 6354] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 5857] <... mkdir resumed>) = 0 [pid 6354] <... mprotect resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD [pid 6354] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5857] <... ioctl resumed>) = 0 [pid 6354] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5857] close(3 [pid 6354] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0}./strace-static-x86_64: Process 6355 attached => {parent_tid=[6355]}, 88) = 6355 [pid 6353] <... ioctl resumed>) = 0 [pid 6352] <... mount resumed>) = 0 [pid 5857] <... close resumed>) = 0 [pid 6355] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6354] rt_sigprocmask(SIG_SETMASK, [], [ 239.329255][ T6352] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 239.343246][ T6350] UDF-fs: Scanning with blocksize 512 failed [ 239.343898][ T6353] loop0: detected capacity change from 0 to 2048 [ 239.356940][ T6352] UDF-fs: Scanning with blocksize 512 failed [ 239.369947][ T6352] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6353] close(3 [pid 6355] <... rseq resumed>) = 0 [pid 6354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6353] <... close resumed>) = 0 [pid 6352] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6353] close(4) = 0 [pid 6353] mkdir("./file0", 0777) = 0 [pid 6352] <... openat resumed>) = 3 [pid 6353] mount("/dev/loop0", "./file0", "udf", 0, "" [pid 6352] chdir("./file0" [pid 6355] set_robust_list(0x7f708f7879a0, 24 [pid 6354] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... chdir resumed>) = 0 [pid 6352] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6356 attached [pid 6355] <... set_robust_list resumed>) = 0 [pid 6354] <... futex resumed>) = 0 [pid 6352] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6349] <... futex resumed>) = 0 [pid 6355] rt_sigprocmask(SIG_SETMASK, [], [pid 6354] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6349] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... clone resumed>, child_tidptr=0x55559362e690) = 6356 [pid 6355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6349] <... futex resumed>) = 0 [pid 6349] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6356] set_robust_list(0x55559362e6a0, 24 [pid 6355] memfd_create("syzkaller", 0 [pid 6352] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6356] <... set_robust_list resumed>) = 0 [pid 6355] <... memfd_create resumed>) = 3 [pid 6355] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6356] chdir("./32" [pid 6355] <... mmap resumed>) = 0x7f7087200000 [pid 6352] <... openat resumed>) = 4 [pid 6356] <... chdir resumed>) = 0 [pid 6352] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6349] <... futex resumed>) = 0 [pid 6349] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6349] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6356] <... prctl resumed>) = 0 [pid 6352] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6356] setpgid(0, 0 [pid 6352] <... openat resumed>) = 5 [pid 6356] <... setpgid resumed>) = 0 [pid 6352] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6349] <... futex resumed>) = 0 [pid 6349] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6349] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6352] pwrite64(5, "2", 1, 134220897 [pid 6356] <... openat resumed>) = 3 [pid 6352] <... pwrite64 resumed>) = 1 [pid 6356] write(3, "1000", 4 [pid 6352] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6349] <... futex resumed>) = 0 [pid 6349] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... write resumed>) = 4 [pid 6349] <... futex resumed>) = 0 [pid 6356] close(3 [pid 6349] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6356] <... close resumed>) = 0 [ 239.397089][ T6350] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 239.411600][ T6353] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [pid 6356] symlink("/dev/binderfs", "./binderfs" [pid 6352] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6355] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6356] <... symlink resumed>) = 0 [pid 6350] <... mount resumed>) = 0 executing program [pid 6356] write(1, "executing program\n", 18 [pid 6350] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6356] <... write resumed>) = 18 [pid 6350] <... openat resumed>) = 3 [pid 6350] chdir("./file0" [pid 6356] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... chdir resumed>) = 0 [pid 6356] <... futex resumed>) = 0 [pid 6350] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6356] rt_sigaction(SIGRT_1, {sa_handler=0x7f708f7f71a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f708f7e8350}, NULL, 8) = 0 [pid 6350] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6356] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6350] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6350] <... futex resumed>) = 1 [pid 6348] <... futex resumed>) = 0 [pid 6356] <... mmap resumed>) = 0x7f708f767000 [pid 6350] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6348] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] mprotect(0x7f708f768000, 131072, PROT_READ|PROT_WRITE [pid 6355] <... write resumed>) = 1048576 [pid 6350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6348] <... futex resumed>) = 0 [pid 6348] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6356] <... mprotect resumed>) = 0 [pid 6356] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6350] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6356] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f787990, parent_tid=0x7f708f787990, exit_signal=0, stack=0x7f708f767000, stack_size=0x20300, tls=0x7f708f7876c0} [pid 6350] <... openat resumed>) = 4 [pid 6350] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6357 attached [pid 6356] <... clone3 resumed> => {parent_tid=[6357]}, 88) = 6357 [pid 6348] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] rseq(0x7f708f787fe0, 0x20, 0, 0x53053053 [pid 6356] rt_sigprocmask(SIG_SETMASK, [], [pid 6348] <... futex resumed>) = 0 [pid 6357] <... rseq resumed>) = 0 [pid 6356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6350] <... futex resumed>) = 1 [pid 6348] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6356] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6357] set_robust_list(0x7f708f7879a0, 24 [pid 6356] <... futex resumed>) = 0 [pid 6350] <... openat resumed>) = 5 [pid 6355] munmap(0x7f7087200000, 138412032 [pid 6350] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] <... munmap resumed>) = 0 [pid 6350] <... futex resumed>) = 1 [pid 6348] <... futex resumed>) = 0 [pid 6350] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6348] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6348] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6350] pwrite64(5, "2", 1, 134220897) = 1 [pid 6350] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... futex resumed>) = 0 [pid 6348] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6348] <... futex resumed>) = 0 [pid 6348] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] <... futex resumed>) = 1 [pid 6350] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6357] <... set_robust_list resumed>) = 0 [pid 6355] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 239.440793][ T6353] UDF-fs: Scanning with blocksize 512 failed [ 239.476700][ T6355] loop4: detected capacity change from 0 to 2048 [pid 6355] ioctl(4, LOOP_SET_FD, 3 [pid 6357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6349] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6355] <... ioctl resumed>) = 0 [pid 6357] memfd_create("syzkaller", 0 [pid 6349] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... memfd_create resumed>) = 3 [pid 6349] <... futex resumed>) = 0 [pid 6357] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6357] <... mmap resumed>) = 0x7f7087200000 [pid 6349] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6355] close(3) = 0 [pid 6355] close(4 [pid 6357] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6355] <... close resumed>) = 0 [pid 6353] <... mount resumed>) = 0 [pid 6349] <... mprotect resumed>) = 0 [pid 6353] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6349] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6353] <... openat resumed>) = 3 [pid 6349] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6353] chdir("./file0" [pid 6349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6358 attached [pid 6353] <... chdir resumed>) = 0 [pid 6358] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6353] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6349] <... clone3 resumed> => {parent_tid=[6358]}, 88) = 6358 [pid 6348] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6358] set_robust_list(0x7f708f7669a0, 24 [pid 6353] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6358] <... set_robust_list resumed>) = 0 [pid 6349] rt_sigprocmask(SIG_SETMASK, [], [pid 6358] rt_sigprocmask(SIG_SETMASK, [], [pid 6353] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6349] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] mkdir("./file0", 0777 [pid 6348] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6355] <... mkdir resumed>) = 0 [pid 6349] <... futex resumed>) = 0 [pid 6348] <... futex resumed>) = 0 [pid 6355] mount("/dev/loop4", "./file0", "udf", 0, "" [pid 6348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6358] <... openat resumed>) = 6 [pid 6353] <... futex resumed>) = 1 [pid 6349] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] <... mmap resumed>) = 0x7f708f746000 [pid 6358] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6358] <... futex resumed>) = 0 [pid 6349] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] fdatasync(6 [pid 6349] <... futex resumed>) = 0 [pid 6348] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE [pid 6358] <... fdatasync resumed>) = 0 [pid 6349] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] <... mprotect resumed>) = 0 [pid 6358] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6358] <... futex resumed>) = 0 [ 239.478403][ T6353] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6358] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] <... futex resumed>) = 0 [pid 6348] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6351] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6351] <... futex resumed>) = 1 [pid 6353] <... futex resumed>) = 0 [pid 6348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} [pid 6353] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6351] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] <... clone3 resumed> => {parent_tid=[6359]}, 88) = 6359 ./strace-static-x86_64: Process 6359 attached [pid 6353] <... openat resumed>) = 4 [pid 6348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6348] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... write resumed>) = 1048576 [pid 6353] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 1 [pid 6357] munmap(0x7f7087200000, 138412032 [pid 6353] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] <... futex resumed>) = 0 [pid 6348] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6351] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] <... futex resumed>) = 0 [pid 6351] <... futex resumed>) = 1 [pid 6353] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6351] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] <... openat resumed>) = 5 [pid 6359] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6353] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... rseq resumed>) = 0 [pid 6359] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6357] <... munmap resumed>) = 0 [pid 6359] rt_sigprocmask(SIG_SETMASK, [], [pid 6353] <... futex resumed>) = 1 [pid 6352] <... write resumed>) = 843776 [pid 6351] <... futex resumed>) = 0 [pid 6359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6357] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6353] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6357] <... openat resumed>) = 4 [pid 6353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6349] exit_group(0 [pid 6352] <... futex resumed>) = 0 [pid 6353] pwrite64(5, "2", 1, 134220897 [pid 6349] <... exit_group resumed>) = ? [pid 6358] <... futex resumed>) = ? [pid 6359] <... openat resumed>) = 6 [pid 6358] +++ exited with 0 +++ [pid 6353] <... pwrite64 resumed>) = 1 [pid 6352] +++ exited with 0 +++ [pid 6351] <... futex resumed>) = 0 [pid 6353] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [ 239.537310][ T6355] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 239.560772][ T6355] UDF-fs: Scanning with blocksize 512 failed [ 239.571499][ T6357] loop2: detected capacity change from 0 to 2048 [pid 6351] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] ioctl(4, LOOP_SET_FD, 3 [pid 6353] <... futex resumed>) = 0 [pid 6351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6353] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6351] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6359] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6359] <... futex resumed>) = 1 [pid 6359] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6348] <... futex resumed>) = 0 [pid 6348] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... futex resumed>) = 0 [pid 6348] <... futex resumed>) = 1 [pid 6359] fdatasync(6 [pid 6348] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6359] <... fdatasync resumed>) = 0 [pid 6359] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6348] <... futex resumed>) = 0 [pid 6359] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6350] <... write resumed>) = 843776 [pid 6350] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6350] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6357] <... ioctl resumed>) = 0 [pid 6348] exit_group(0) = ? [pid 6350] <... futex resumed>) = ? [pid 6350] +++ exited with 0 +++ [pid 6359] <... futex resumed>) = ? [ 239.585395][ T6349] UDF-fs: warning (device loop3): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 239.590165][ T6355] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 239.620000][ T6359] UDF-fs: warning (device loop1): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [pid 6357] close(3 [pid 6351] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6351] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6351] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6351] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6360]}, 88) = 6360 [pid 6351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6351] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6351] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6355] <... mount resumed>) = 0 [pid 6355] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 6360 attached [pid 6357] <... close resumed>) = 0 [pid 6357] close(4 [pid 6360] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053 [pid 6357] <... close resumed>) = 0 [pid 6360] <... rseq resumed>) = 0 [pid 6355] <... openat resumed>) = 3 [pid 6355] chdir("./file0") = 0 [pid 6355] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6355] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6355] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6354] <... futex resumed>) = 0 [pid 6354] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6355] <... futex resumed>) = 0 [pid 6355] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6354] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6355] <... openat resumed>) = 4 [pid 6355] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6354] <... futex resumed>) = 0 [pid 6354] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6354] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6355] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005 [pid 6360] set_robust_list(0x7f708f7669a0, 24 [pid 6357] mkdir("./file0", 0777 [pid 6355] <... openat resumed>) = 5 [pid 6355] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6355] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6354] <... futex resumed>) = 0 [pid 6360] <... set_robust_list resumed>) = 0 [pid 6357] <... mkdir resumed>) = 0 [pid 6360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6357] mount("/dev/loop2", "./file0", "udf", 0, "" [pid 6354] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6355] <... futex resumed>) = 0 [pid 6354] <... futex resumed>) = 1 [pid 6355] pwrite64(5, "2", 1, 134220897) = 1 [pid 6355] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6360] <... openat resumed>) = 6 [pid 6360] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] <... futex resumed>) = 1 [pid 6360] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] <... futex resumed>) = 0 [pid 6351] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... futex resumed>) = 0 [pid 6351] <... futex resumed>) = 1 [pid 6360] fdatasync(6 [pid 6351] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6354] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] <... fdatasync resumed>) = 0 [pid 6360] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6360] <... futex resumed>) = 1 [pid 6360] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] <... futex resumed>) = 0 [pid 6354] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6355] <... futex resumed>) = 0 [ 239.632781][ T6349] UDF-fs: error (device loop3): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 239.641560][ T6359] UDF-fs: error (device loop1): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 239.673962][ T6353] ------------[ cut here ]------------ [ 239.679653][ T6353] WARNING: CPU: 0 PID: 6353 at fs/udf/inode.c:2080 __udf_add_aext+0x555/0x700 [ 239.688672][ T6353] Modules linked in: [ 239.692681][ T6353] CPU: 0 UID: 0 PID: 6353 Comm: syz-executor377 Not tainted 6.12.0-syzkaller-07834-g06afb0f36106 #0 [ 239.703539][ T6353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 239.713742][ T6353] RIP: 0010:__udf_add_aext+0x555/0x700 [ 239.719338][ T6353] Code: e6 e5 fe 49 8b 3c 24 4c 89 fe e8 76 f6 0a ff 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 2c 51 7e fe 90 <0f> 0b 90 e9 e7 fb ff ff e8 1e 51 7e fe 90 0f 0b 90 e9 54 fc ff ff [ 239.739100][ T6353] RSP: 0018:ffffc9000519f278 EFLAGS: 00010293 [ 239.745380][ T6353] RAX: ffffffff8316fbb4 RBX: 1ffff92000a33e9b RCX: ffff888035cb9e00 [ 239.753468][ T6353] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 [ 239.761488][ T6353] RBP: 0000000000000000 R08: ffffffff8316f796 R09: ffffffff8316f6c6 [ 239.769558][ T6353] R10: 0000000000000002 R11: ffff888035cb9e00 R12: ffffc9000519f4d0 [ 239.773891][ T6354] UDF-fs: warning (device loop4): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 134222848 extent 0+133377024 [ 239.777614][ T6353] R13: 0000000000000004 R14: dffffc0000000000 R15: ffffc9000519f4d8 [ 239.798684][ T6357] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 239.801509][ T6353] FS: 00007f708f7876c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 239.801539][ T6353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 239.821320][ T6357] UDF-fs: Scanning with blocksize 512 failed [ 239.824802][ T6353] CR2: 00000000200bc000 CR3: 00000000777ae000 CR4: 00000000003526f0 [ 239.838910][ T6353] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 239.841405][ T6354] UDF-fs: error (device loop4): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 239.846926][ T6353] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 239.846965][ T6353] Call Trace: [ 239.846975][ T6353] [ 239.846987][ T6353] ? __warn+0x168/0x4e0 [ 239.847015][ T6353] ? __udf_add_aext+0x555/0x700 [ 239.869361][ T6357] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 6355] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6359] +++ exited with 0 +++ [pid 6348] +++ exited with 0 +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6348, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5856] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5856] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5856] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./32/binderfs") = 0 [pid 5856] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6349] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6349, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5858] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5858] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./32/binderfs") = 0 [pid 5858] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6354] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6354] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6354] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6354] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6354] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0}./strace-static-x86_64: Process 6361 attached => {parent_tid=[6361]}, 88) = 6361 [pid 6354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6354] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6354] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6361] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6361] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6361] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6361] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] <... futex resumed>) = 0 [pid 6354] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6354] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6361] <... futex resumed>) = 1 [pid 6361] fdatasync(6) = 0 [pid 6361] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] <... futex resumed>) = 0 [pid 6361] <... futex resumed>) = 1 [pid 6361] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6355] <... write resumed>) = 843776 [pid 6355] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6354] exit_group(0 [pid 6361] <... futex resumed>) = ? [pid 6354] <... exit_group resumed>) = ? [pid 6361] +++ exited with 0 +++ [pid 6355] +++ exited with 0 +++ [pid 6354] +++ exited with 0 +++ [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6354, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5859] restart_syscall(<... resuming interrupted clone ...> [pid 6357] <... mount resumed>) = 0 [pid 6357] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6357] chdir("./file0") = 0 [pid 6357] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5859] <... restart_syscall resumed>) = 0 [pid 6357] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6357] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5859] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6357] futex(0x7f708f8596c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5859] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5859] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] unlink("./32/binderfs") = 0 [pid 5859] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6356] <... futex resumed>) = 0 [pid 6356] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... futex resumed>) = 0 [pid 6356] <... futex resumed>) = 1 [pid 6357] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [ 239.870977][ T6353] ? report_bug+0x2b3/0x500 [ 239.893565][ T6353] ? __udf_add_aext+0x555/0x700 [ 239.898473][ T6353] ? handle_bug+0x60/0x90 [ 239.902895][ T6353] ? exc_invalid_op+0x1a/0x50 [ 239.907625][ T6353] ? asm_exc_invalid_op+0x1a/0x20 [ 239.912740][ T6353] ? __udf_add_aext+0x66/0x700 [ 239.917562][ T6353] ? __udf_add_aext+0x136/0x700 [ 239.922496][ T6353] ? __udf_add_aext+0x554/0x700 [ 239.927390][ T6353] ? __udf_add_aext+0x555/0x700 [ 239.932335][ T6353] ? __udf_add_aext+0x554/0x700 [pid 6356] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] <... openat resumed>) = 4 [pid 6357] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... futex resumed>) = 0 [pid 6356] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6356] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] <... futex resumed>) = 1 [pid 6357] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 005) = 5 [pid 6357] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6356] <... futex resumed>) = 0 [pid 6357] pwrite64(5, "2", 1, 134220897 [pid 6356] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... pwrite64 resumed>) = 1 [pid 6356] <... futex resumed>) = 0 [pid 6356] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... futex resumed>) = 0 [pid 6356] futex(0x7f708f8596c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6356] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] <... futex resumed>) = 1 [ 239.937216][ T6353] udf_map_block+0x3e16/0x5340 [ 239.942080][ T6353] ? preempt_count_add+0x93/0x190 [ 239.947160][ T6353] ? __pfx_udf_map_block+0x10/0x10 [ 239.952370][ T6353] ? stack_trace_save+0x118/0x1d0 [ 239.957445][ T6353] ? stack_depot_save_flags+0x29/0x830 [ 239.962995][ T6353] ? generic_perform_write+0x344/0x6d0 [ 239.968486][ T6353] ? udf_file_write_iter+0x2fc/0x660 [ 239.973911][ T6353] ? vfs_write+0xaeb/0xd30 [ 239.978375][ T6353] ? ksys_write+0x18f/0x2b0 [ 239.982963][ T6353] ? mark_lock+0x9a/0x360 [pid 6357] write(4, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x2f\x66\x69\x6c\x65\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966767 [pid 6356] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6356] futex(0x7f708f8596cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6356] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] exit_group(0 [pid 6356] <... futex resumed>) = 0 [pid 6351] <... exit_group resumed>) = ? [pid 6356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f708f746000 [pid 6356] mprotect(0x7f708f747000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6356] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f708f766990, parent_tid=0x7f708f766990, exit_signal=0, stack=0x7f708f746000, stack_size=0x20300, tls=0x7f708f7666c0} => {parent_tid=[6362]}, 88) = 6362 [pid 6356] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6362 attached NULL, 8) = 0 [pid 6356] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6356] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] rseq(0x7f708f766fe0, 0x20, 0, 0x53053053) = 0 [pid 6362] set_robust_list(0x7f708f7669a0, 24) = 0 [pid 6362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6362] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 6362] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6356] <... futex resumed>) = 0 [pid 6362] fdatasync(6 [pid 6356] futex(0x7f708f8596d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] <... fdatasync resumed>) = -1 EIO (Input/output error) [pid 6357] <... write resumed>) = 843776 [pid 6356] <... futex resumed>) = 0 [ 239.987332][ T6353] ? __lock_acquire+0x1397/0x2100 [ 239.992454][ T6353] ? __pfx_lock_acquire+0x10/0x10 [ 239.997509][ T6353] ? create_empty_buffers+0x53e/0x740 [ 240.003003][ T6353] ? __pfx_lock_release+0x10/0x10 [ 240.008086][ T6353] ? do_raw_spin_lock+0x14f/0x370 [ 240.013203][ T6353] __udf_get_block+0x126/0x410 [ 240.018014][ T6353] ? __pfx___udf_get_block+0x10/0x10 [ 240.023379][ T6353] ? _raw_spin_unlock+0x28/0x50 [ 240.028278][ T6353] ? create_empty_buffers+0x53e/0x740 [ 240.033758][ T6353] __block_write_begin_int+0x50c/0x1a70 [pid 6362] futex(0x7f708f8596dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] futex(0x7f708f8596dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] <... futex resumed>) = 0 [pid 6362] futex(0x7f708f8596d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6357] futex(0x7f708f8596cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6357] <... futex resumed>) = 0 [pid 6356] exit_group(0 [pid 6362] <... futex resumed>) = ? [pid 6356] <... exit_group resumed>) = ? [pid 6362] +++ exited with 0 +++ [pid 6357] +++ exited with 0 +++ [pid 6360] <... futex resumed>) = ? [pid 6360] +++ exited with 0 +++ [pid 6356] +++ exited with 0 +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6356, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5857] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5857] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 240.039380][ T6353] ? __pfx_udf_get_block+0x10/0x10 [ 240.043313][ T6356] UDF-fs: error (device loop2): udf_truncate_tail_extent: Extent after EOF in inode 818 [ 240.044604][ T6353] ? __pfx___block_write_begin_int+0x10/0x10 [ 240.060285][ T6353] ? __filemap_get_folio+0x90b/0xbd0 [ 240.065659][ T6353] ? __pfx_udf_get_block+0x10/0x10 [ 240.070802][ T6353] block_write_begin+0x8f/0x120 [ 240.075723][ T6353] udf_write_begin+0x104/0x350 [ 240.080525][ T6353] generic_perform_write+0x344/0x6d0 [pid 5857] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55559362f730 /* 4 entries */, 32768) = 112 [pid 5857] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 240.085884][ T6353] ? __pfx_generic_perform_write+0x10/0x10 [ 240.091719][ T6353] ? __generic_file_write_iter+0x102/0x230 [ 240.097590][ T6353] ? udf_file_write_iter+0x1bf/0x660 [ 240.102954][ T6353] udf_file_write_iter+0x2fc/0x660 [ 240.108126][ T6353] vfs_write+0xaeb/0xd30 [ 240.112453][ T6353] ? __pfx_udf_file_write_iter+0x10/0x10 [ 240.118152][ T6353] ? __pfx_vfs_write+0x10/0x10 [ 240.123053][ T6353] ? __fget_files+0x2a/0x410 [ 240.127692][ T6353] ? __fget_files+0x2a/0x410 [ 240.132379][ T6353] ksys_write+0x18f/0x2b0 [pid 5857] unlink("./32/binderfs") = 0 [ 240.136758][ T6353] ? __pfx_ksys_write+0x10/0x10 [ 240.141635][ T6353] ? do_syscall_64+0x100/0x230 [ 240.146618][ T6353] do_syscall_64+0xf3/0x230 [ 240.151187][ T6353] ? clear_bhb_loop+0x35/0x90 [ 240.156032][ T6353] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 240.162025][ T6353] RIP: 0033:0x7f708f7d0d89 [ 240.166507][ T6353] 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 [ 240.186920][ T6353] RSP: 002b:00007f708f787218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 240.195426][ T6353] RAX: ffffffffffffffda RBX: 00007f708f8596c8 RCX: 00007f708f7d0d89 [ 240.203472][ T6353] RDX: 00000000fffffdef RSI: 00000000200000c0 RDI: 0000000000000004 [ 240.211471][ T6353] RBP: 00007f708f8596c0 R08: 0000000000000000 R09: 0000000000000000 [ 240.219519][ T6353] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f708f825d00 [ 240.227542][ T6353] R13: 0031656c69662f2e R14: 0030656c69662f2e R15: 00000000fffffdef [ 240.235590][ T6353] [ 240.238628][ T6353] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 240.245920][ T6353] CPU: 0 UID: 0 PID: 6353 Comm: syz-executor377 Not tainted 6.12.0-syzkaller-07834-g06afb0f36106 #0 [ 240.256692][ T6353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 240.266740][ T6353] Call Trace: [ 240.270023][ T6353] [ 240.272953][ T6353] dump_stack_lvl+0x241/0x360 [ 240.277639][ T6353] ? __pfx_dump_stack_lvl+0x10/0x10 [ 240.282844][ T6353] ? __pfx__printk+0x10/0x10 [ 240.287426][ T6353] ? _printk+0xd5/0x120 [ 240.291576][ T6353] ? __init_begin+0x41000/0x41000 [ 240.296603][ T6353] ? vscnprintf+0x5d/0x90 [ 240.300944][ T6353] panic+0x349/0x880 [ 240.304845][ T6353] ? __warn+0x177/0x4e0 [ 240.309004][ T6353] ? __pfx_panic+0x10/0x10 [ 240.313447][ T6353] ? show_trace_log_lvl+0x3b2/0x410 [ 240.318672][ T6353] __warn+0x34b/0x4e0 [ 240.322664][ T6353] ? __udf_add_aext+0x555/0x700 [ 240.327527][ T6353] report_bug+0x2b3/0x500 [ 240.331857][ T6353] ? __udf_add_aext+0x555/0x700 [ 240.336714][ T6353] handle_bug+0x60/0x90 [ 240.340873][ T6353] exc_invalid_op+0x1a/0x50 [ 240.345399][ T6353] asm_exc_invalid_op+0x1a/0x20 [ 240.350265][ T6353] RIP: 0010:__udf_add_aext+0x555/0x700 [ 240.355749][ T6353] Code: e6 e5 fe 49 8b 3c 24 4c 89 fe e8 76 f6 0a ff 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 2c 51 7e fe 90 <0f> 0b 90 e9 e7 fb ff ff e8 1e 51 7e fe 90 0f 0b 90 e9 54 fc ff ff [ 240.375376][ T6353] RSP: 0018:ffffc9000519f278 EFLAGS: 00010293 [ 240.381463][ T6353] RAX: ffffffff8316fbb4 RBX: 1ffff92000a33e9b RCX: ffff888035cb9e00 [ 240.389449][ T6353] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 [ 240.397426][ T6353] RBP: 0000000000000000 R08: ffffffff8316f796 R09: ffffffff8316f6c6 [ 240.405402][ T6353] R10: 0000000000000002 R11: ffff888035cb9e00 R12: ffffc9000519f4d0 [ 240.413395][ T6353] R13: 0000000000000004 R14: dffffc0000000000 R15: ffffc9000519f4d8 [ 240.421393][ T6353] ? __udf_add_aext+0x66/0x700 [ 240.426165][ T6353] ? __udf_add_aext+0x136/0x700 [ 240.431022][ T6353] ? __udf_add_aext+0x554/0x700 [ 240.435892][ T6353] ? __udf_add_aext+0x554/0x700 [ 240.440759][ T6353] udf_map_block+0x3e16/0x5340 [ 240.445536][ T6353] ? preempt_count_add+0x93/0x190 [ 240.450609][ T6353] ? __pfx_udf_map_block+0x10/0x10 [ 240.455749][ T6353] ? stack_trace_save+0x118/0x1d0 [ 240.460800][ T6353] ? stack_depot_save_flags+0x29/0x830 [ 240.466305][ T6353] ? generic_perform_write+0x344/0x6d0 [ 240.471774][ T6353] ? udf_file_write_iter+0x2fc/0x660 [ 240.477066][ T6353] ? vfs_write+0xaeb/0xd30 [ 240.481486][ T6353] ? ksys_write+0x18f/0x2b0 [ 240.485997][ T6353] ? mark_lock+0x9a/0x360 [ 240.490336][ T6353] ? __lock_acquire+0x1397/0x2100 [ 240.495394][ T6353] ? __pfx_lock_acquire+0x10/0x10 [ 240.500426][ T6353] ? create_empty_buffers+0x53e/0x740 [ 240.505811][ T6353] ? __pfx_lock_release+0x10/0x10 [ 240.510836][ T6353] ? do_raw_spin_lock+0x14f/0x370 [ 240.515875][ T6353] __udf_get_block+0x126/0x410 [ 240.520657][ T6353] ? __pfx___udf_get_block+0x10/0x10 [ 240.525954][ T6353] ? _raw_spin_unlock+0x28/0x50 [ 240.530803][ T6353] ? create_empty_buffers+0x53e/0x740 [ 240.536191][ T6353] __block_write_begin_int+0x50c/0x1a70 [ 240.541760][ T6353] ? __pfx_udf_get_block+0x10/0x10 [ 240.546883][ T6353] ? __pfx___block_write_begin_int+0x10/0x10 [ 240.552869][ T6353] ? __filemap_get_folio+0x90b/0xbd0 [ 240.558176][ T6353] ? __pfx_udf_get_block+0x10/0x10 [ 240.563300][ T6353] block_write_begin+0x8f/0x120 [ 240.568158][ T6353] udf_write_begin+0x104/0x350 [ 240.572935][ T6353] generic_perform_write+0x344/0x6d0 [ 240.578233][ T6353] ? __pfx_generic_perform_write+0x10/0x10 [ 240.584052][ T6353] ? __generic_file_write_iter+0x102/0x230 [ 240.589884][ T6353] ? udf_file_write_iter+0x1bf/0x660 [ 240.595212][ T6353] udf_file_write_iter+0x2fc/0x660 [ 240.600352][ T6353] vfs_write+0xaeb/0xd30 [ 240.604616][ T6353] ? __pfx_udf_file_write_iter+0x10/0x10 [ 240.610278][ T6353] ? __pfx_vfs_write+0x10/0x10 [ 240.615083][ T6353] ? __fget_files+0x2a/0x410 [ 240.619685][ T6353] ? __fget_files+0x2a/0x410 [ 240.624289][ T6353] ksys_write+0x18f/0x2b0 [ 240.628649][ T6353] ? __pfx_ksys_write+0x10/0x10 [ 240.633524][ T6353] ? do_syscall_64+0x100/0x230 [ 240.638331][ T6353] do_syscall_64+0xf3/0x230 [ 240.642863][ T6353] ? clear_bhb_loop+0x35/0x90 [ 240.647575][ T6353] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 240.653485][ T6353] RIP: 0033:0x7f708f7d0d89 [ 240.657905][ T6353] 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 [ 240.677520][ T6353] RSP: 002b:00007f708f787218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 240.685946][ T6353] RAX: ffffffffffffffda RBX: 00007f708f8596c8 RCX: 00007f708f7d0d89 [ 240.693922][ T6353] RDX: 00000000fffffdef RSI: 00000000200000c0 RDI: 0000000000000004 [ 240.701904][ T6353] RBP: 00007f708f8596c0 R08: 0000000000000000 R09: 0000000000000000 [ 240.709881][ T6353] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f708f825d00 [ 240.717864][ T6353] R13: 0031656c69662f2e R14: 0030656c69662f2e R15: 00000000fffffdef [ 240.725859][ T6353] [ 240.729262][ T6353] Kernel Offset: disabled [ 240.733631][ T6353] Rebooting in 86400 seconds..