./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2923559627 <...> Warning: Permanently added '10.128.0.155' (ED25519) to the list of known hosts. execve("./syz-executor2923559627", ["./syz-executor2923559627"], 0x7ffcddbcd9b0 /* 10 vars */) = 0 brk(NULL) = 0x55556644a000 brk(0x55556644ad40) = 0x55556644ad40 arch_prctl(ARCH_SET_FS, 0x55556644a3c0) = 0 set_tid_address(0x55556644a690) = 5836 set_robust_list(0x55556644a6a0, 24) = 0 rseq(0x55556644ace0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2923559627", 4096) = 28 getrandom("\xdc\x68\xb0\x03\x62\xfa\xec\xe9", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556644ad40 brk(0x55556646bd40) = 0x55556646bd40 brk(0x55556646c000) = 0x55556646c000 mprotect(0x7f279f2f4000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5837 attached , child_tidptr=0x55556644a690) = 5837 [pid 5837] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] mkdir("./syzkaller.ruWBM0", 0700./strace-static-x86_64: Process 5838 attached [pid 5836] <... clone resumed>, child_tidptr=0x55556644a690) = 5838 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] set_robust_list(0x55556644a6a0, 24) = 0 ./strace-static-x86_64: Process 5839 attached [pid 5839] set_robust_list(0x55556644a6a0, 24 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x55556644a690) = 5839 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5837] chmod("./syzkaller.ruWBM0", 0777 [pid 5838] mkdir("./syzkaller.5mRacp", 0700 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] mkdir("./syzkaller.VAcnuB", 0700 [pid 5837] <... chmod resumed>) = 0 [pid 5837] chdir("./syzkaller.ruWBM0" [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5839] chmod("./syzkaller.VAcnuB", 0777 [pid 5838] chmod("./syzkaller.5mRacp", 0777./strace-static-x86_64: Process 5840 attached [pid 5839] <... chmod resumed>) = 0 [pid 5838] <... chmod resumed>) = 0 [pid 5837] <... chdir resumed>) = 0 [pid 5840] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5840] mkdir("./syzkaller.yfkyIp", 0700 [pid 5839] chdir("./syzkaller.VAcnuB" [pid 5838] chdir("./syzkaller.5mRacp" [pid 5837] mkdir("./0", 0777 [pid 5838] <... chdir resumed>) = 0 [pid 5839] <... chdir resumed>) = 0 [pid 5838] mkdir("./0", 0777 [pid 5836] <... clone resumed>, child_tidptr=0x55556644a690) = 5840 [pid 5839] mkdir("./0", 0777 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] chmod("./syzkaller.yfkyIp", 0777 [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5839] <... mkdir resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5841 attached [pid 5840] <... chmod resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... openat resumed>) = 3 [pid 5841] set_robust_list(0x55556644a6a0, 24 [pid 5840] chdir("./syzkaller.yfkyIp" [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5841] <... set_robust_list resumed>) = 0 [pid 5840] <... chdir resumed>) = 0 [pid 5839] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5837] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5841] mkdir("./syzkaller.Mx922x", 0700 [pid 5840] mkdir("./0", 0777 [pid 5839] close(3 [pid 5838] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5837] close(3 [pid 5836] <... clone resumed>, child_tidptr=0x55556644a690) = 5841 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] close(3 [pid 5837] <... close resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5843 attached ./strace-static-x86_64: Process 5842 attached [pid 5841] <... mkdir resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] <... clone resumed>, child_tidptr=0x55556644a690) = 5842 [pid 5843] set_robust_list(0x55556644a6a0, 24 [pid 5842] set_robust_list(0x55556644a6a0, 24 [pid 5841] chmod("./syzkaller.Mx922x", 0777 [pid 5840] <... openat resumed>) = 3 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5842] <... set_robust_list resumed>) = 0 [pid 5841] <... chmod resumed>) = 0 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5838] <... clone resumed>, child_tidptr=0x55556644a690) = 5843 ./strace-static-x86_64: Process 5844 attached [pid 5843] chdir("./0" [pid 5842] chdir("./0" [pid 5840] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5844] set_robust_list(0x55556644a6a0, 24 [pid 5843] <... chdir resumed>) = 0 [pid 5842] <... chdir resumed>) = 0 [pid 5841] chdir("./syzkaller.Mx922x" [pid 5839] <... clone resumed>, child_tidptr=0x55556644a690) = 5844 [pid 5844] <... set_robust_list resumed>) = 0 [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] close(3 [pid 5843] <... prctl resumed>) = 0 [pid 5844] chdir("./0" [pid 5843] setpgid(0, 0 [pid 5842] <... prctl resumed>) = 0 [pid 5841] <... chdir resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5844] <... chdir resumed>) = 0 [pid 5843] <... setpgid resumed>) = 0 [pid 5842] setpgid(0, 0 [pid 5841] mkdir("./0", 0777 [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... setpgid resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... prctl resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5841] <... mkdir resumed>) = 0 [pid 5844] setpgid(0, 0./strace-static-x86_64: Process 5845 attached [pid 5842] <... openat resumed>) = 3 [pid 5844] <... setpgid resumed>) = 0 [pid 5845] set_robust_list(0x55556644a6a0, 24 [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] write(3, "1000", 4 [pid 5842] write(3, "1000", 4 [pid 5845] <... set_robust_list resumed>) = 0 [pid 5843] <... write resumed>) = 4 [pid 5840] <... clone resumed>, child_tidptr=0x55556644a690) = 5845 [pid 5843] close(3 [pid 5845] chdir("./0" [pid 5844] <... openat resumed>) = 3 [pid 5843] <... close resumed>) = 0 [pid 5842] <... write resumed>) = 4 [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5842] close(3) = 0 [pid 5841] <... openat resumed>) = 3 [pid 5845] <... chdir resumed>) = 0 [pid 5844] write(3, "1000", 4 [pid 5843] symlink("/dev/binderfs", "./binderfs" [pid 5842] symlink("/dev/binderfs", "./binderfs" [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... write resumed>) = 4 [pid 5843] <... symlink resumed>) = 0 [pid 5842] <... symlink resumed>) = 0 [pid 5845] <... prctl resumed>) = 0 [pid 5844] close(3 [pid 5841] ioctl(3, LOOP_CLR_FD [pid 5844] <... close resumed>) = 0 [pid 5844] symlink("/dev/binderfs", "./binderfs" [pid 5841] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5844] <... symlink resumed>) = 0 executing program [pid 5842] write(1, "executing program\n", 18 [pid 5841] close(3executing program [pid 5842] <... write resumed>) = 18 [pid 5841] <... close resumed>) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] write(1, "executing program\n", 18 [pid 5842] <... futex resumed>) = 0 [pid 5844] <... write resumed>) = 18 [pid 5842] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, [pid 5844] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5844] <... futex resumed>) = 0 [pid 5842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5844] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5846 attached [pid 5844] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5844] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5842] <... mmap resumed>) = 0x7f279f201000 [pid 5846] set_robust_list(0x55556644a6a0, 24 [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE [pid 5844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5842] <... mprotect resumed>) = 0 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5844] <... mmap resumed>) = 0x7f279f201000 [pid 5846] chdir("./0" [pid 5842] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5844] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE [pid 5841] <... clone resumed>, child_tidptr=0x55556644a690) = 5846 [pid 5846] <... chdir resumed>) = 0 [pid 5844] <... mprotect resumed>) = 0 [pid 5842] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} [pid 5846] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5847 attached [pid 5846] setpgid(0, 0 [pid 5845] setpgid(0, 0 [pid 5843] write(1, "executing program\n", 18executing program [pid 5847] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5846] <... setpgid resumed>) = 0 [pid 5845] <... setpgid resumed>) = 0 [pid 5844] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5843] <... write resumed>) = 18 [pid 5847] <... rseq resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} [pid 5843] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] set_robust_list(0x7f279f2219a0, 24 [pid 5842] <... clone3 resumed> => {parent_tid=[5847]}, 88) = 5847 ./strace-static-x86_64: Process 5848 attached [pid 5847] <... set_robust_list resumed>) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5845] <... openat resumed>) = 3 [pid 5843] <... futex resumed>) = 0 [pid 5842] rt_sigprocmask(SIG_SETMASK, [], [pid 5848] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5847] rt_sigprocmask(SIG_SETMASK, [], [pid 5845] write(3, "1000", 4 [pid 5843] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, [pid 5848] <... rseq resumed>) = 0 [pid 5845] <... write resumed>) = 4 [pid 5843] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5848] set_robust_list(0x7f279f2219a0, 24 [pid 5845] close(3 [pid 5843] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5848] <... set_robust_list resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5848] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5846] write(3, "1000", 4 [pid 5844] <... clone3 resumed> => {parent_tid=[5848]}, 88) = 5848 [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5846] <... write resumed>) = 4 [pid 5844] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5842] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5846] close(3 [pid 5845] symlink("/dev/binderfs", "./binderfs" [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] <... mmap resumed>) = 0x7f279f201000 [pid 5842] <... futex resumed>) = 0 [pid 5847] memfd_create("syzkaller", 0 [pid 5846] <... close resumed>) = 0 [pid 5844] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE [pid 5842] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5848] <... futex resumed>) = 0 [pid 5847] <... memfd_create resumed>) = 3 [pid 5846] symlink("/dev/binderfs", "./binderfs" [pid 5845] <... symlink resumed>) = 0 [pid 5844] <... futex resumed>) = 1 [pid 5843] <... mprotect resumed>) = 0 [pid 5848] memfd_create("syzkaller", 0 [pid 5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] <... symlink resumed>) = 0 [pid 5844] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5848] <... memfd_create resumed>) = 3 [pid 5847] <... mmap resumed>) = 0x7f2796e00000 [pid 5845] write(1, "executing program\n", 18 [pid 5843] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] write(1, "executing program\n", 18 [pid 5848] <... mmap resumed>) = 0x7f2796e00000 executing program [pid 5846] <... write resumed>) = 18 [pid 5846] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5846] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5846] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5846] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5846] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} => {parent_tid=[5849]}, 88) = 5849 [pid 5846] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5846] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5846] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5843] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0}executing program => {parent_tid=[5850]}, 88) = 5850 ./strace-static-x86_64: Process 5850 attached ./strace-static-x86_64: Process 5849 attached [pid 5845] <... write resumed>) = 18 [pid 5843] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5850] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5849] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5845] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... rseq resumed>) = 0 [pid 5849] <... rseq resumed>) = 0 [pid 5843] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5843] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5850] set_robust_list(0x7f279f2219a0, 24 [pid 5849] set_robust_list(0x7f279f2219a0, 24 [pid 5845] <... futex resumed>) = 0 [pid 5850] <... set_robust_list resumed>) = 0 [pid 5849] <... set_robust_list resumed>) = 0 [pid 5850] rt_sigprocmask(SIG_SETMASK, [], [pid 5845] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, [pid 5849] rt_sigprocmask(SIG_SETMASK, [], [pid 5850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5845] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5849] memfd_create("syzkaller", 0 [pid 5850] memfd_create("syzkaller", 0 [pid 5845] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5850] <... memfd_create resumed>) = 3 [pid 5849] <... memfd_create resumed>) = 3 [pid 5845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5850] <... mmap resumed>) = 0x7f2796e00000 [pid 5845] <... mmap resumed>) = 0x7f279f201000 [pid 5849] <... mmap resumed>) = 0x7f2796e00000 [pid 5845] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5845] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5845] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0}./strace-static-x86_64: Process 5851 attached [pid 5851] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053) = 0 [pid 5851] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5851] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5851] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5845] <... clone3 resumed> => {parent_tid=[5851]}, 88) = 5851 [pid 5845] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5845] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... futex resumed>) = 0 [pid 5845] <... futex resumed>) = 1 [pid 5851] memfd_create("syzkaller", 0 [pid 5845] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5851] <... memfd_create resumed>) = 3 [pid 5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5847] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5849] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5848] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5851] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5850] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5849] <... write resumed>) = 16777216 [pid 5849] munmap(0x7f2796e00000, 138412032 [pid 5847] <... write resumed>) = 16777216 [pid 5847] munmap(0x7f2796e00000, 138412032 [pid 5849] <... munmap resumed>) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5849] ioctl(4, LOOP_SET_FD, 3 [pid 5847] <... munmap resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5847] ioctl(4, LOOP_SET_FD, 3 [pid 5849] <... ioctl resumed>) = 0 [pid 5849] close(3) = 0 [pid 5849] close(4 [pid 5848] <... write resumed>) = 16777216 [pid 5849] <... close resumed>) = 0 [pid 5849] mkdir("./file0", 0777) = 0 [pid 5848] munmap(0x7f2796e00000, 138412032 [pid 5849] mount("/dev/loop4", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5847] <... ioctl resumed>) = 0 [pid 5847] close(3) = 0 [pid 5847] close(4) = 0 [pid 5847] mkdir("./file0", 0777) = 0 [ 117.817559][ T5849] loop4: detected capacity change from 0 to 32768 [ 117.840475][ T5847] loop0: detected capacity change from 0 to 32768 [pid 5847] mount("/dev/loop0", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5848] <... munmap resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5848] ioctl(4, LOOP_SET_FD, 3 [pid 5849] <... mount resumed>) = 0 [pid 5849] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5848] <... ioctl resumed>) = 0 [pid 5848] close(3) = 0 [pid 5848] close(4 [pid 5849] <... openat resumed>) = 3 [pid 5848] <... close resumed>) = 0 [pid 5848] mkdir("./file0", 0777 [pid 5849] chdir("./file0" [pid 5848] <... mkdir resumed>) = 0 [pid 5848] mount("/dev/loop2", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5849] <... chdir resumed>) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5851] <... write resumed>) = 16777216 [pid 5849] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] munmap(0x7f2796e00000, 138412032 [pid 5849] <... futex resumed>) = 1 [pid 5847] <... mount resumed>) = 0 [pid 5846] <... futex resumed>) = 0 [pid 5847] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5846] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5846] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] chdir("./file0" [pid 5847] <... openat resumed>) = 3 [ 117.901913][ T5849] [ 117.901913][ T5849] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 117.901913][ T5849] [ 117.902581][ T5847] [ 117.902581][ T5847] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 117.902581][ T5847] [ 117.941150][ T5848] loop2: detected capacity change from 0 to 32768 [pid 5849] <... chdir resumed>) = 0 [pid 5849] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5846] <... futex resumed>) = 0 [pid 5846] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5846] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5847] chdir("./file0") = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5849] creat("./bus", 000 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5847] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] <... futex resumed>) = 0 [pid 5842] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... futex resumed>) = 0 [pid 5842] <... futex resumed>) = 1 [pid 5847] chdir("./file0" [pid 5842] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5847] <... chdir resumed>) = 0 [pid 5847] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5842] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5847] creat("./bus", 000 [ 117.984224][ T5848] [ 117.984224][ T5848] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 117.984224][ T5848] [ 118.011467][ T5847] read_mapping_page failed! [ 118.019979][ T5849] read_mapping_page failed! [ 118.024792][ T5849] ERROR: (device loop4): txCommit: [ 118.024792][ T5849] [pid 5842] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] <... munmap resumed>) = 0 [pid 5848] <... mount resumed>) = 0 [pid 5850] <... write resumed>) = 16777216 [pid 5847] <... creat resumed>) = -1 EIO (Input/output error) [pid 5846] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5851] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5846] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... openat resumed>) = 4 [pid 5846] <... futex resumed>) = 0 [pid 5851] ioctl(4, LOOP_SET_FD, 3 [pid 5846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f1e0000 [pid 5850] munmap(0x7f2796e00000, 138412032 [pid 5848] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5847] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE [pid 5842] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5848] <... openat resumed>) = 3 [pid 5847] <... futex resumed>) = 0 [pid 5846] <... mprotect resumed>) = 0 [pid 5842] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] chdir("./file0" [pid 5847] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5849] <... creat resumed>) = -1 EIO (Input/output error) [pid 5846] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5842] <... futex resumed>) = 0 [pid 5849] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... chdir resumed>) = 0 [pid 5846] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5842] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0}./strace-static-x86_64: Process 5854 attached [pid 5849] <... futex resumed>) = 0 [pid 5849] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5846] <... clone3 resumed> => {parent_tid=[5854]}, 88) = 5854 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] rt_sigprocmask(SIG_SETMASK, [], [pid 5848] <... futex resumed>) = 1 [pid 5846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5848] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5846] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5846] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] <... ioctl resumed>) = 0 [pid 5844] <... futex resumed>) = 0 [pid 5851] close(3 [pid 5844] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... close resumed>) = 0 [pid 5848] <... futex resumed>) = 0 [pid 5844] <... futex resumed>) = 1 [pid 5851] close(4 [pid 5848] chdir("./file0" [pid 5844] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] <... close resumed>) = 0 [ 118.026320][ T5847] ERROR: (device loop0): txCommit: [ 118.026320][ T5847] [ 118.052817][ T5851] loop3: detected capacity change from 0 to 32768 [ 118.062981][ T5847] read_mapping_page failed! [ 118.076652][ T5847] ERROR: (device loop0): txCommit: [ 118.076652][ T5847] [pid 5854] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5851] mkdir("./file0", 0777 [pid 5848] <... chdir resumed>) = 0 [pid 5854] <... rseq resumed>) = 0 [pid 5848] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] set_robust_list(0x7f279f2009a0, 24 [pid 5848] <... futex resumed>) = 1 [pid 5854] <... set_robust_list resumed>) = 0 [pid 5848] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5854] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5850] <... munmap resumed>) = 0 [pid 5844] <... futex resumed>) = 0 [pid 5844] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... futex resumed>) = 0 [pid 5844] <... futex resumed>) = 1 [pid 5848] creat("./bus", 000 [pid 5844] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] <... mkdir resumed>) = 0 [pid 5851] mount("/dev/loop3", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5842] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5842] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] <... futex resumed>) = 0 [pid 5842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5850] <... openat resumed>) = 4 [pid 5846] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5842] <... mmap resumed>) = 0x7f279f1e0000 [pid 5846] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE [pid 5850] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... futex resumed>) = 1 [pid 5842] <... mprotect resumed>) = 0 [pid 5842] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5847] <... openat resumed>) = -1 EIO (Input/output error) [pid 5842] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0}./strace-static-x86_64: Process 5856 attached [pid 5856] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5842] <... clone3 resumed> => {parent_tid=[5856]}, 88) = 5856 [pid 5842] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5842] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5847] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... rseq resumed>) = 0 [pid 5856] set_robust_list(0x7f279f2009a0, 24 [pid 5847] <... futex resumed>) = 0 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5849] <... futex resumed>) = 0 [pid 5856] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5856] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [ 118.096829][ T5854] read_mapping_page failed! [ 118.101406][ T5854] ERROR: (device loop4): txCommit: [ 118.101406][ T5854] [ 118.116155][ T5848] read_mapping_page failed! [ 118.124879][ T5850] loop1: detected capacity change from 0 to 32768 [ 118.132337][ T5848] ERROR: (device loop2): txCommit: [ 118.132337][ T5848] [pid 5847] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5849] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5844] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5844] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5850] <... ioctl resumed>) = 0 [pid 5844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5850] close(3 [pid 5844] <... mmap resumed>) = 0x7f279f1e0000 [pid 5850] <... close resumed>) = 0 [pid 5844] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE [pid 5850] close(4) = 0 [pid 5844] <... mprotect resumed>) = 0 [pid 5850] mkdir("./file0", 0777 [ 118.145782][ T5856] read_mapping_page failed! [pid 5844] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0}./strace-static-x86_64: Process 5857 attached => {parent_tid=[5857]}, 88) = 5857 [pid 5857] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5844] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] <... rseq resumed>) = 0 [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] set_robust_list(0x7f279f2009a0, 24) = 0 [pid 5844] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] <... futex resumed>) = 0 [pid 5857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5854] <... openat resumed>) = -1 EIO (Input/output error) [pid 5850] <... mkdir resumed>) = 0 [pid 5844] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5854] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] mount("/dev/loop1", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5854] <... futex resumed>) = 0 [pid 5854] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5848] <... creat resumed>) = -1 EIO (Input/output error) [pid 5848] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 118.170123][ T5851] [ 118.170123][ T5851] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 118.170123][ T5851] [ 118.181419][ T5856] ERROR: (device loop0): txCommit: [ 118.181419][ T5856] [ 118.193644][ T5849] read_mapping_page failed! [ 118.200786][ T5857] read_mapping_page failed! [ 118.210222][ T5857] ERROR: (device loop2): txCommit: [ 118.210222][ T5857] [pid 5848] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5851] <... mount resumed>) = 0 [pid 5851] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5856] <... openat resumed>) = -1 EIO (Input/output error) [pid 5851] chdir("./file0" [pid 5856] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... chdir resumed>) = 0 [pid 5856] <... futex resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5842] exit_group(0 [pid 5847] <... futex resumed>) = ? [pid 5844] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5842] <... exit_group resumed>) = ? [pid 5847] +++ exited with 0 +++ [pid 5844] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... futex resumed>) = 0 [pid 5844] <... futex resumed>) = 1 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5851] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5845] <... futex resumed>) = 0 [pid 5856] +++ exited with 0 +++ [pid 5851] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5849] <... openat resumed>) = -1 EIO (Input/output error) [pid 5845] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] +++ exited with 0 +++ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=33 /* 0.33 s */} --- [pid 5845] <... futex resumed>) = 0 [pid 5845] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 118.219952][ T5849] ERROR: (device loop4): txCommit: [ 118.219952][ T5849] [ 118.240082][ T5850] [ 118.240082][ T5850] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 118.240082][ T5850] [pid 5857] <... openat resumed>) = -1 EIO (Input/output error) [pid 5851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5849] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... futex resumed>) = 0 [pid 5846] exit_group(0 [pid 5857] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] <... futex resumed>) = ? [pid 5851] chdir("./file0" [pid 5849] <... futex resumed>) = ? [pid 5846] <... exit_group resumed>) = ? [pid 5837] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5854] +++ exited with 0 +++ [pid 5837] <... openat resumed>) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, [pid 5851] <... chdir resumed>) = 0 [pid 5850] <... mount resumed>) = 0 [pid 5849] +++ exited with 0 +++ [pid 5846] +++ exited with 0 +++ [pid 5837] <... getdents64 resumed>0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5851] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=25 /* 0.25 s */} --- [pid 5837] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5851] <... futex resumed>) = 1 [pid 5845] <... futex resumed>) = 0 [pid 5841] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5851] creat("./bus", 000 [pid 5845] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5850] <... openat resumed>) = 3 [pid 5845] <... futex resumed>) = 0 [pid 5841] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5841] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5850] chdir("./file0" [pid 5848] <... openat resumed>) = -1 EIO (Input/output error) [pid 5850] <... chdir resumed>) = 0 [ 118.274239][ T5848] read_mapping_page failed! [ 118.285972][ T5848] ERROR: (device loop2): txCommit: [ 118.285972][ T5848] [ 118.300099][ T5851] read_mapping_page failed! [ 118.304687][ T5851] ERROR: (device loop3): txCommit: [ 118.304687][ T5851] [pid 5848] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5848] <... futex resumed>) = 0 [pid 5844] exit_group(0 [pid 5851] <... creat resumed>) = -1 EIO (Input/output error) [pid 5850] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5844] <... exit_group resumed>) = ? [pid 5850] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5851] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... futex resumed>) = 1 [pid 5845] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... futex resumed>) = 0 [pid 5851] <... futex resumed>) = 0 [pid 5850] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5845] <... futex resumed>) = 0 [pid 5843] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5845] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] <... futex resumed>) = 0 [pid 5857] <... futex resumed>) = ? [pid 5857] +++ exited with 0 +++ [pid 5850] chdir("./file0" [pid 5848] +++ exited with 0 +++ [pid 5844] +++ exited with 0 +++ [pid 5843] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5850] <... chdir resumed>) = 0 [pid 5850] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=33 /* 0.33 s */} --- [pid 5839] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5839] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5850] <... futex resumed>) = 1 [pid 5843] <... futex resumed>) = 0 [pid 5850] creat("./bus", 000 [pid 5843] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] getdents64(3, [pid 5843] <... futex resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55556644b730 /* 4 entries */, 32768) = 112 [ 118.331261][ T5837] [ 118.331261][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 118.331261][ T5837] [ 118.343588][ T5841] [ 118.343588][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 118.343588][ T5841] [ 118.364368][ T5851] read_mapping_page failed! [ 118.374006][ T5851] ERROR: (device loop3): txCommit: [ 118.374006][ T5851] [pid 5839] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] <... openat resumed>) = -1 EIO (Input/output error) [ 118.386727][ T5850] read_mapping_page failed! [ 118.391407][ T5850] ERROR: (device loop1): txCommit: [ 118.391407][ T5850] [ 118.401381][ T5837] [ 118.401381][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 118.401381][ T5837] [ 118.420512][ T5841] [ 118.420512][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 118.420512][ T5841] [ 118.420526][ T5839] [pid 5851] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... creat resumed>) = -1 EIO (Input/output error) [pid 5845] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5851] <... futex resumed>) = 0 [pid 5850] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5843] <... futex resumed>) = 0 [pid 5845] <... futex resumed>) = 0 [pid 5850] <... futex resumed>) = 1 [pid 5843] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5843] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 118.420526][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 118.420526][ T5839] [ 118.458278][ T5850] read_mapping_page failed! [pid 5850] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5837] <... umount2 resumed>) = 0 [pid 5841] <... umount2 resumed>) = 0 [pid 5837] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5837] newfstatat(4, "", [pid 5843] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5841] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... futex resumed>) = 0 [pid 5841] newfstatat(AT_FDCWD, "./0/file0", [pid 5837] getdents64(4, [pid 5843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f1e0000 [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5843] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE [pid 5841] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5843] <... mprotect resumed>) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5837] close(4 [pid 5841] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5841] <... openat resumed>) = 4 [pid 5837] <... close resumed>) = 0 [pid 5843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0} [pid 5841] newfstatat(4, "", [pid 5837] rmdir("./0/file0" [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 5859 attached [pid 5841] getdents64(4, [pid 5837] <... rmdir resumed>) = 0 [pid 5859] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5843] <... clone3 resumed> => {parent_tid=[5859]}, 88) = 5859 [pid 5859] <... rseq resumed>) = 0 [pid 5841] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5859] set_robust_list(0x7f279f2009a0, 24 [pid 5843] rt_sigprocmask(SIG_SETMASK, [], [pid 5841] getdents64(4, [pid 5859] <... set_robust_list resumed>) = 0 [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] <... getdents64 resumed>0x555566453770 /* 0 entries */, 32768) = 0 [pid 5843] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] close(4 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5841] <... close resumed>) = 0 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] rmdir("./0/file0" [pid 5859] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5837] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... rmdir resumed>) = 0 [pid 5841] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./0/binderfs" [pid 5843] <... futex resumed>) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... unlink resumed>) = 0 [pid 5837] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5837] close(3) = 0 [pid 5837] rmdir("./0") = 0 [pid 5851] <... openat resumed>) = -1 EIO (Input/output error) [pid 5841] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5837] mkdir("./1", 0777) = 0 [pid 5851] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5850] <... openat resumed>) = -1 EIO (Input/output error) [pid 5845] exit_group(0 [pid 5837] <... openat resumed>) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] <... exit_group resumed>) = ? [pid 5837] close(3 [pid 5850] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] unlink("./0/binderfs" [pid 5837] <... close resumed>) = 0 [ 118.481114][ T5839] [ 118.481114][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 118.481114][ T5839] [ 118.487268][ T5850] ERROR: (device loop1): txCommit: [ 118.487268][ T5850] [ 118.511771][ T5851] read_mapping_page failed! [ 118.517845][ T5851] ERROR: (device loop3): txCommit: [ 118.517845][ T5851] [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556644a690) = 5860 ./strace-static-x86_64: Process 5860 attached [pid 5851] <... futex resumed>) = ? [pid 5850] <... futex resumed>) = 0 [pid 5841] <... unlink resumed>) = 0 [pid 5850] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5841] getdents64(3, [pid 5839] <... umount2 resumed>) = 0 [pid 5851] +++ exited with 0 +++ [pid 5860] set_robust_list(0x55556644a6a0, 24 [pid 5845] +++ exited with 0 +++ [pid 5841] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5841] close(3 [pid 5860] chdir("./1" [pid 5841] <... close resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5845, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=34 /* 0.34 s */} --- [pid 5860] <... chdir resumed>) = 0 [pid 5841] rmdir("./0" [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5839] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... rmdir resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] mkdir("./1", 0777 [pid 5839] newfstatat(AT_FDCWD, "./0/file0", [pid 5841] <... mkdir resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5860] <... prctl resumed>) = 0 [pid 5841] <... openat resumed>) = 3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] ioctl(3, LOOP_CLR_FD [pid 5839] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5841] <... ioctl resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5839] <... openat resumed>) = 4 [pid 5860] setpgid(0, 0 [ 118.555524][ T5859] read_mapping_page failed! [ 118.560771][ T5859] ERROR: (device loop1): txCommit: [ 118.560771][ T5859] [pid 5841] close(3 [pid 5839] newfstatat(4, "", [pid 5860] <... setpgid resumed>) = 0 [pid 5859] <... openat resumed>) = -1 EIO (Input/output error) [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... openat resumed>) = 3 [pid 5859] <... futex resumed>) = 0 [pid 5860] write(3, "1000", 4 [pid 5859] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5860] <... write resumed>) = 4 [pid 5843] exit_group(0 [pid 5860] close(3 [pid 5859] <... futex resumed>) = ? [pid 5843] <... exit_group resumed>) = ? [pid 5850] <... futex resumed>) = ? [pid 5860] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(4, [pid 5850] +++ exited with 0 +++ [pid 5860] symlink("/dev/binderfs", "./binderfs" [pid 5840] getdents64(3, [pid 5839] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5840] <... getdents64 resumed>0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5839] getdents64(4, [pid 5840] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x555566453770 /* 0 entries */, 32768) = 0 [pid 5839] close(4) = 0 [pid 5860] <... symlink resumed>) = 0 [pid 5839] rmdir("./0/file0"executing program [pid 5860] write(1, "executing program\n", 18 [pid 5859] +++ exited with 0 +++ [pid 5843] +++ exited with 0 +++ [pid 5839] <... rmdir resumed>) = 0 [pid 5860] <... write resumed>) = 18 [pid 5860] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5860] <... futex resumed>) = 0 [pid 5860] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=35 /* 0.35 s */} --- [pid 5860] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5860] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5839] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5860] <... mmap resumed>) = 0x7f279f201000 [pid 5860] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE [pid 5839] unlink("./0/binderfs" [pid 5860] <... mprotect resumed>) = 0 [pid 5860] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5860] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5839] getdents64(3, [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=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} [pid 5839] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5861 attached [pid 5839] close(3 [pid 5838] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5861] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5860] <... clone3 resumed> => {parent_tid=[5861]}, 88) = 5861 [pid 5839] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5861] <... rseq resumed>) = 0 [pid 5860] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] rmdir("./0" [pid 5838] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5861] set_robust_list(0x7f279f2219a0, 24 [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5838] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] mkdir("./1", 0777) = 0 [pid 5860] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5839] ioctl(3, LOOP_CLR_FD) = 0 [pid 5839] close(3) = 0 [pid 5861] <... set_robust_list resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5861] rt_sigprocmask(SIG_SETMASK, [], [pid 5860] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5839] <... clone resumed>, child_tidptr=0x55556644a690) = 5862 ./strace-static-x86_64: Process 5862 attached [pid 5862] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5862] chdir("./1") = 0 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5862] setpgid(0, 0) = 0 [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5862] write(3, "1000", 4 [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] <... write resumed>) = 4 [pid 5861] memfd_create("syzkaller", 0executing program [pid 5862] close(3) = 0 [pid 5862] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5862] write(1, "executing program\n", 18) = 18 [pid 5862] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5862] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5862] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5861] <... memfd_create resumed>) = 3 [pid 5862] <... mmap resumed>) = 0x7f279f201000 [pid 5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [ 118.646680][ T5840] [ 118.646680][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 118.646680][ T5840] [pid 5862] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5862] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 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=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0}./strace-static-x86_64: Process 5863 attached => {parent_tid=[5863]}, 88) = 5863 [pid 5863] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5862] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... rseq resumed>) = 0 [pid 5863] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5863] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5862] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5862] <... futex resumed>) = 0 [pid 5863] memfd_create("syzkaller", 0 [pid 5862] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5863] <... memfd_create resumed>) = 3 [pid 5863] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [ 118.689732][ T5840] [ 118.689732][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 118.689732][ T5840] [ 118.708939][ T5838] [ 118.708939][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 118.708939][ T5838] [pid 5840] <... umount2 resumed>) = 0 [pid 5840] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5840] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5840] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5840] close(4) = 0 [ 118.756002][ T5838] [ 118.756002][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 118.756002][ T5838] [pid 5840] rmdir("./0/file0") = 0 [pid 5840] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] unlink("./0/binderfs" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... unlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./0/file0", [pid 5840] getdents64(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5838] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] close(3 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... close resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] rmdir("./0" [pid 5838] <... openat resumed>) = 4 [pid 5840] <... rmdir resumed>) = 0 [pid 5838] newfstatat(4, "", [pid 5840] mkdir("./1", 0777 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(4, [pid 5840] <... mkdir resumed>) = 0 [pid 5838] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5838] getdents64(4, [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] <... getdents64 resumed>0x555566453770 /* 0 entries */, 32768) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5838] close(4 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5838] <... close resumed>) = 0 [pid 5838] rmdir("./0/file0") = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 5838] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] close(3 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./0/binderfs") = 0 [pid 5838] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5838] close(3) = 0 [pid 5838] rmdir("./0") = 0 [pid 5838] mkdir("./1", 0777) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5838] ioctl(3, LOOP_CLR_FD) = 0 [pid 5838] close(3) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5864 attached , child_tidptr=0x55556644a690) = 5864 [pid 5864] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5864] chdir("./1") = 0 [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5864] setpgid(0, 0) = 0 [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5864] write(3, "1000", 4) = 4 [pid 5864] close(3) = 0 [pid 5864] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5864] write(1, "executing program\n", 18) = 18 [pid 5864] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5864] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5864] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5864] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 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=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} => {parent_tid=[5865]}, 88) = 5865 ./strace-static-x86_64: Process 5865 attached [pid 5864] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5864] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5864] <... futex resumed>) = 0 [pid 5865] <... rseq resumed>) = 0 [pid 5864] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5865] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5865] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5865] memfd_create("syzkaller", 0) = 3 [pid 5865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5841] <... close resumed>) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5866 attached , child_tidptr=0x55556644a690) = 5866 [pid 5866] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5866] chdir("./1") = 0 [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5866] setpgid(0, 0) = 0 [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5866] write(3, "1000", 4) = 4 [pid 5866] close(3) = 0 [pid 5866] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5866] write(1, "executing program\n", 18) = 18 [pid 5866] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5866] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5866] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5866] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} [pid 5863] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216./strace-static-x86_64: Process 5867 attached [pid 5867] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5866] <... clone3 resumed> => {parent_tid=[5867]}, 88) = 5867 [pid 5861] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5867] <... rseq resumed>) = 0 [pid 5866] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] set_robust_list(0x7f279f2219a0, 24 [pid 5866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5866] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5866] <... futex resumed>) = 0 [pid 5867] memfd_create("syzkaller", 0 [pid 5866] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5867] <... memfd_create resumed>) = 3 [pid 5867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5840] <... close resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5868 attached , child_tidptr=0x55556644a690) = 5868 [pid 5868] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5868] chdir("./1") = 0 [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5868] setpgid(0, 0) = 0 [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5868] write(3, "1000", 4) = 4 [pid 5868] close(3) = 0 [pid 5868] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5868] write(1, "executing program\n", 18executing program ) = 18 [pid 5868] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5868] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5868] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5868] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5868] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0}./strace-static-x86_64: Process 5869 attached => {parent_tid=[5869]}, 88) = 5869 [pid 5868] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5868] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5865] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5869] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053) = 0 [pid 5869] set_robust_list(0x7f279f2219a0, 24 [pid 5868] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5869] <... set_robust_list resumed>) = 0 [pid 5869] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5869] memfd_create("syzkaller", 0) = 3 [pid 5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5867] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5861] <... write resumed>) = 16777216 [pid 5861] munmap(0x7f2796e00000, 138412032) = 0 [pid 5861] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5861] ioctl(4, LOOP_SET_FD, 3 [pid 5863] <... write resumed>) = 16777216 [pid 5863] munmap(0x7f2796e00000, 138412032 [pid 5861] <... ioctl resumed>) = 0 [pid 5861] close(3) = 0 [pid 5861] close(4) = 0 [pid 5861] mkdir("./file0", 0777) = 0 [pid 5863] <... munmap resumed>) = 0 [pid 5861] mount("/dev/loop0", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5863] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 119.721559][ T5861] loop0: detected capacity change from 0 to 32768 [pid 5863] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5863] close(3) = 0 [pid 5863] close(4) = 0 [pid 5863] mkdir("./file0", 0777) = 0 [ 119.781775][ T5863] loop2: detected capacity change from 0 to 32768 [pid 5863] mount("/dev/loop2", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5861] <... mount resumed>) = 0 [pid 5861] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5861] chdir("./file0") = 0 [pid 5861] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5863] <... mount resumed>) = 0 [pid 5863] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5861] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5861] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... openat resumed>) = 3 [pid 5861] <... futex resumed>) = 1 [pid 5860] <... futex resumed>) = 0 [pid 5860] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] chdir("./file0" [pid 5860] <... futex resumed>) = 0 [pid 5860] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] chdir("./file0") = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5861] <... chdir resumed>) = 0 [pid 5863] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5862] <... futex resumed>) = 0 [pid 5863] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5862] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... futex resumed>) = 0 [pid 5862] <... futex resumed>) = 1 [pid 5863] chdir("./file0" [pid 5862] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... chdir resumed>) = 0 [pid 5861] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = 0 [ 119.833537][ T5861] [ 119.833537][ T5861] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 119.833537][ T5861] [ 119.854435][ T5863] [ 119.854435][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 119.854435][ T5863] [pid 5863] <... futex resumed>) = 1 [pid 5862] <... futex resumed>) = 0 [pid 5861] <... futex resumed>) = 1 [pid 5860] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = 0 [pid 5863] creat("./bus", 000 [pid 5862] <... futex resumed>) = 0 [pid 5860] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5861] creat("./bus", 000 [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"..., 16777216 [pid 5860] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5862] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5860] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5862] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... creat resumed>) = -1 EIO (Input/output error) [pid 5862] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5862] <... futex resumed>) = 0 [pid 5862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f1e0000 [pid 5862] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5862] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 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=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0}./strace-static-x86_64: Process 5870 attached => {parent_tid=[5870]}, 88) = 5870 [pid 5862] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5862] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5862] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5863] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... rseq resumed>) = 0 [pid 5863] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5870] set_robust_list(0x7f279f2009a0, 24 [pid 5860] <... mmap resumed>) = 0x7f279f1e0000 [pid 5870] <... set_robust_list resumed>) = 0 [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5861] <... creat resumed>) = -1 EIO (Input/output error) [pid 5860] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5863] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... mprotect resumed>) = 0 [ 119.916273][ T5863] read_mapping_page failed! [ 119.925814][ T5861] read_mapping_page failed! [ 119.930471][ T5861] ERROR: (device loop0): txCommit: [ 119.930471][ T5861] [ 119.945625][ T5863] ERROR: (device loop2): txCommit: [ 119.945625][ T5863] [pid 5861] <... futex resumed>) = 0 [pid 5860] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5861] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5860] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5865] <... write resumed>) = 16777216 [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=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0}./strace-static-x86_64: Process 5871 attached [pid 5865] munmap(0x7f2796e00000, 138412032 [pid 5871] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5860] <... clone3 resumed> => {parent_tid=[5871]}, 88) = 5871 [pid 5871] <... rseq resumed>) = 0 [pid 5860] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5860] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] set_robust_list(0x7f279f2009a0, 24 [pid 5860] <... futex resumed>) = 0 [pid 5862] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5860] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] <... set_robust_list resumed>) = 0 [pid 5871] rt_sigprocmask(SIG_SETMASK, [], [pid 5862] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5863] <... futex resumed>) = 0 [pid 5871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5871] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5865] <... munmap resumed>) = 0 [ 119.988914][ T5870] read_mapping_page failed! [ 119.993589][ T5870] ERROR: (device loop2): txCommit: [ 119.993589][ T5870] [ 120.018789][ T5871] read_mapping_page failed! [ 120.023433][ T5871] ERROR: (device loop0): txCommit: [ 120.023433][ T5871] [pid 5865] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5865] ioctl(4, LOOP_SET_FD, 3 [pid 5870] <... openat resumed>) = -1 EIO (Input/output error) [pid 5870] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5870] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] <... openat resumed>) = -1 EIO (Input/output error) [pid 5871] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5860] <... futex resumed>) = 0 [pid 5871] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5860] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = 1 [pid 5861] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5865] <... ioctl resumed>) = 0 [ 120.038852][ T5865] loop1: detected capacity change from 0 to 32768 [ 120.046667][ T5863] read_mapping_page failed! [ 120.058361][ T5863] ERROR: (device loop2): txCommit: [ 120.058361][ T5863] [ 120.076275][ T5861] read_mapping_page failed! [ 120.082696][ T5861] ERROR: (device loop0): txCommit: [pid 5865] close(3 [pid 5863] <... openat resumed>) = -1 EIO (Input/output error) [pid 5865] <... close resumed>) = 0 [pid 5865] close(4) = 0 [pid 5863] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] mkdir("./file0", 0777 [pid 5862] exit_group(0 [pid 5870] <... futex resumed>) = ? [pid 5863] <... futex resumed>) = ? [pid 5862] <... exit_group resumed>) = ? [pid 5870] +++ exited with 0 +++ [pid 5865] <... mkdir resumed>) = 0 [pid 5863] +++ exited with 0 +++ [pid 5862] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=30 /* 0.30 s */} --- [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5865] mount("/dev/loop1", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5839] <... restart_syscall resumed>) = 0 [pid 5839] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5861] <... openat resumed>) = -1 EIO (Input/output error) [pid 5839] getdents64(3, [pid 5861] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... getdents64 resumed>0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5861] <... futex resumed>) = 0 [pid 5839] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5861] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5860] exit_group(0 [pid 5871] <... futex resumed>) = ? [pid 5860] <... exit_group resumed>) = ? [pid 5861] <... futex resumed>) = ? [pid 5861] +++ exited with 0 +++ [pid 5871] +++ exited with 0 +++ [pid 5860] +++ exited with 0 +++ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5860, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=31 /* 0.31 s */} --- [pid 5837] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [ 120.082696][ T5861] [ 120.127158][ T5839] [ 120.127158][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 120.127158][ T5839] [ 120.127182][ T5837] [ 120.127182][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 120.127182][ T5837] [ 120.140712][ T5865] [ 120.140712][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 120.140712][ T5865] [ 120.175055][ T5839] [pid 5837] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... write resumed>) = 16777216 [pid 5865] <... mount resumed>) = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5839] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] munmap(0x7f2796e00000, 138412032 [pid 5865] <... openat resumed>) = 3 [pid 5865] chdir("./file0" [pid 5839] newfstatat(AT_FDCWD, "./1/file0", [pid 5865] <... chdir resumed>) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5865] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... futex resumed>) = 1 [pid 5839] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] <... futex resumed>) = 0 [pid 5839] <... openat resumed>) = 4 [pid 5864] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [ 120.175055][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 120.175055][ T5839] [ 120.185796][ T5837] [ 120.185796][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 120.185796][ T5837] [pid 5839] newfstatat(4, "", [pid 5865] <... futex resumed>) = 0 [pid 5864] <... futex resumed>) = 1 [pid 5865] chdir("./file0" [pid 5864] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] <... chdir resumed>) = 0 [pid 5839] getdents64(4, [pid 5865] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5865] <... futex resumed>) = 1 [pid 5864] <... futex resumed>) = 0 [pid 5864] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] creat("./bus", 000 [pid 5864] <... futex resumed>) = 0 [pid 5864] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... munmap resumed>) = 0 [pid 5839] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5839] close(4) = 0 [pid 5839] rmdir("./1/file0" [pid 5837] <... umount2 resumed>) = 0 [pid 5837] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./1/file0", [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5865] <... creat resumed>) = -1 EIO (Input/output error) [pid 5839] <... rmdir resumed>) = 0 [pid 5839] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... openat resumed>) = 4 [ 120.220669][ T5865] read_mapping_page failed! [ 120.225246][ T5865] ERROR: (device loop1): txCommit: [ 120.225246][ T5865] [ 120.260597][ T5867] loop4: detected capacity change from 0 to 32768 [pid 5865] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] ioctl(4, LOOP_SET_FD, 3 [pid 5865] <... futex resumed>) = 1 [pid 5864] <... futex resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5839] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5864] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5837] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5837] close(4) = 0 [pid 5837] rmdir("./1/file0") = 0 [pid 5837] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./1/binderfs" [pid 5865] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... unlink resumed>) = 0 [pid 5839] unlink("./1/binderfs" [pid 5837] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5867] <... ioctl resumed>) = 0 [pid 5865] <... openat resumed>) = -1 EIO (Input/output error) [pid 5839] <... unlink resumed>) = 0 [pid 5839] getdents64(3, [pid 5867] close(3) = 0 [pid 5839] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5867] close(4 [pid 5839] close(3 [pid 5867] <... close resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5867] mkdir("./file0", 0777 [pid 5839] rmdir("./1") = 0 [pid 5837] close(3) = 0 [pid 5837] rmdir("./1" [pid 5867] <... mkdir resumed>) = 0 [pid 5839] mkdir("./2", 0777 [pid 5837] <... rmdir resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5867] mount("/dev/loop4", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5865] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [ 120.268943][ T5865] read_mapping_page failed! [ 120.274026][ T5865] ERROR: (device loop1): txCommit: [ 120.274026][ T5865] [ 120.305952][ T5865] read_mapping_page failed! [ 120.315368][ T5865] ERROR: (device loop1): txCommit: [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5865] <... futex resumed>) = 1 [pid 5864] <... futex resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5865] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] <... futex resumed>) = 0 [pid 5865] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5839] <... ioctl resumed>) = 0 [pid 5837] mkdir("./2", 0777 [pid 5839] close(3 [pid 5837] <... mkdir resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [pid 5837] close(3 [pid 5865] <... openat resumed>) = -1 EIO (Input/output error) [pid 5865] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] exit_group(0) = ? [pid 5865] <... futex resumed>) = ? [pid 5865] +++ exited with 0 +++ [pid 5864] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=31 /* 0.31 s */} --- [pid 5867] <... mount resumed>) = 0 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5867] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5867] chdir("./file0") = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5867] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... futex resumed>) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5867] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... futex resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] chdir("./file0" [pid 5866] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... chdir resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [ 120.315368][ T5865] [ 120.329872][ T5867] [ 120.329872][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 120.329872][ T5867] [pid 5867] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] newfstatat(3, "", [pid 5867] <... futex resumed>) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] creat("./bus", 000 [pid 5866] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] getdents64(3, [pid 5866] <... futex resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5866] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 120.387621][ T5867] read_mapping_page failed! [ 120.395359][ T5867] ERROR: (device loop4): txCommit: [ 120.395359][ T5867] [ 120.406934][ T5838] [ 120.406934][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 120.406934][ T5838] [pid 5838] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... creat resumed>) = -1 EIO (Input/output error) [pid 5867] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5866] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... openat resumed>) = -1 EIO (Input/output error) [pid 5867] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5866] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5866] <... futex resumed>) = 0 [ 120.441600][ T5838] [ 120.441600][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 120.441600][ T5838] [ 120.460313][ T5867] read_mapping_page failed! [ 120.464988][ T5867] ERROR: (device loop4): txCommit: [ 120.464988][ T5867] [pid 5838] <... umount2 resumed>) = 0 [pid 5869] <... write resumed>) = 16777216 [pid 5838] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5869] munmap(0x7f2796e00000, 138412032 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./1/file0", [pid 5867] <... openat resumed>) = -1 EIO (Input/output error) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 120.515846][ T5867] read_mapping_page failed! [ 120.533464][ T5867] ERROR: (device loop4): txCommit: [ 120.533464][ T5867] [pid 5867] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... munmap resumed>) = 0 [pid 5867] <... futex resumed>) = 0 [pid 5838] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] exit_group(0) = ? [pid 5867] <... futex resumed>) = ? [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5869] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5867] +++ exited with 0 +++ [pid 5866] +++ exited with 0 +++ [pid 5838] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5866, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=29 /* 0.29 s */} --- [pid 5838] <... openat resumed>) = 4 [pid 5841] restart_syscall(<... resuming interrupted clone ...> [pid 5838] newfstatat(4, "", [pid 5869] <... openat resumed>) = 4 [pid 5841] <... restart_syscall resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5869] ioctl(4, LOOP_SET_FD, 3 [pid 5838] getdents64(4, [pid 5841] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5841] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5841] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5869] <... ioctl resumed>) = 0 [pid 5838] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5838] close(4) = 0 [pid 5838] rmdir("./1/file0" [pid 5869] close(3 [pid 5838] <... rmdir resumed>) = 0 [pid 5869] <... close resumed>) = 0 [pid 5869] close(4 [pid 5838] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5869] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5869] mkdir("./file0", 0777 [pid 5838] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5869] <... mkdir resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5869] mount("/dev/loop3", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5838] unlink("./1/binderfs") = 0 [pid 5838] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5838] close(3) = 0 [pid 5838] rmdir("./1") = 0 [pid 5838] mkdir("./2", 0777) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5838] ioctl(3, LOOP_CLR_FD) = 0 [ 120.586305][ T5869] loop3: detected capacity change from 0 to 32768 [ 120.597300][ T5841] [ 120.597300][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 120.597300][ T5841] [ 120.620912][ T5841] [ 120.620912][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 120.620912][ T5841] [pid 5838] close(3 [pid 5839] <... close resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5872 attached , child_tidptr=0x55556644a690) = 5872 [pid 5872] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5869] <... mount resumed>) = 0 [pid 5872] chdir("./2" [pid 5869] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5872] <... chdir resumed>) = 0 [pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5869] <... openat resumed>) = 3 [pid 5872] <... prctl resumed>) = 0 [pid 5869] chdir("./file0" [pid 5872] setpgid(0, 0 [pid 5869] <... chdir resumed>) = 0 [pid 5872] <... setpgid resumed>) = 0 [pid 5869] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5869] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5872] <... openat resumed>) = 3 [pid 5869] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5872] write(3, "1000", 4 [pid 5868] <... futex resumed>) = 0 [pid 5869] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5868] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... write resumed>) = 4 [pid 5869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5868] <... futex resumed>) = 0 [pid 5869] chdir("./file0" [pid 5868] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5869] <... chdir resumed>) = 0 [ 120.677207][ T5869] [ 120.677207][ T5869] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 120.677207][ T5869] [pid 5841] <... umount2 resumed>) = 0 [pid 5872] close(3 [pid 5869] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5872] <... close resumed>) = 0 [pid 5869] <... futex resumed>) = 1 [pid 5868] <... futex resumed>) = 0 [pid 5868] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] symlink("/dev/binderfs", "./binderfs" [pid 5868] <... futex resumed>) = 0 [pid 5869] creat("./bus", 000 [pid 5841] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5868] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5872] <... symlink resumed>) = 0 [pid 5841] close(4) = 0 [pid 5841] rmdir("./1/file0") = 0 [pid 5841] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./1/binderfs") = 0 executing program [pid 5872] write(1, "executing program\n", 18) = 18 [pid 5841] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5841] close(3) = 0 [pid 5841] rmdir("./1") = 0 [pid 5841] mkdir("./2", 0777) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5872] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] ioctl(3, LOOP_CLR_FD [pid 5837] <... close resumed>) = 0 [pid 5872] <... futex resumed>) = 0 [pid 5872] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, [pid 5841] <... ioctl resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5872] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5873 attached ) = 0x7f279f201000 [pid 5841] close(3 [pid 5872] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE [pid 5869] <... creat resumed>) = -1 EIO (Input/output error) [pid 5837] <... clone resumed>, child_tidptr=0x55556644a690) = 5873 [pid 5872] <... mprotect resumed>) = 0 [pid 5869] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] set_robust_list(0x55556644a6a0, 24 [pid 5872] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5869] <... futex resumed>) = 1 [pid 5868] <... futex resumed>) = 0 [pid 5872] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5869] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5868] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} [pid 5868] <... futex resumed>) = 0 [pid 5869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5873] <... set_robust_list resumed>) = 0 [ 120.749067][ T5869] read_mapping_page failed! [ 120.753654][ T5869] ERROR: (device loop3): txCommit: [ 120.753654][ T5869] [pid 5868] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program ./strace-static-x86_64: Process 5874 attached [pid 5873] chdir("./2" [pid 5869] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5873] <... chdir resumed>) = 0 [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5873] setpgid(0, 0) = 0 [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5873] write(3, "1000", 4) = 4 [pid 5873] close(3) = 0 [pid 5873] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5873] write(1, "executing program\n", 18) = 18 [pid 5873] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5873] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5873] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5873] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5873] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5873] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} => {parent_tid=[5875]}, 88) = 5875 [pid 5873] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5873] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5873] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5875 attached [pid 5874] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5872] <... clone3 resumed> => {parent_tid=[5874]}, 88) = 5874 [pid 5875] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053) = 0 [pid 5875] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5875] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5875] memfd_create("syzkaller", 0 [pid 5874] <... rseq resumed>) = 0 [pid 5872] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5874] set_robust_list(0x7f279f2219a0, 24 [pid 5872] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... set_robust_list resumed>) = 0 [pid 5872] <... futex resumed>) = 0 [pid 5874] rt_sigprocmask(SIG_SETMASK, [], [pid 5872] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5875] <... memfd_create resumed>) = 3 [pid 5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] memfd_create("syzkaller", 0 [pid 5868] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5874] <... memfd_create resumed>) = 3 [pid 5874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5868] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... mmap resumed>) = 0x7f2796e00000 [pid 5868] <... futex resumed>) = 0 [pid 5868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5869] <... openat resumed>) = -1 EIO (Input/output error) [pid 5868] <... mmap resumed>) = 0x7f279f1e0000 [pid 5869] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE [pid 5869] <... futex resumed>) = 0 [pid 5868] <... mprotect resumed>) = 0 [pid 5869] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5868] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 120.823215][ T5869] read_mapping_page failed! [ 120.831206][ T5869] ERROR: (device loop3): txCommit: [ 120.831206][ T5869] [pid 5868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0}./strace-static-x86_64: Process 5876 attached [pid 5876] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5868] <... clone3 resumed> => {parent_tid=[5876]}, 88) = 5876 [pid 5868] rt_sigprocmask(SIG_SETMASK, [], [pid 5876] <... rseq resumed>) = 0 [pid 5868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] set_robust_list(0x7f279f2009a0, 24) = 0 [pid 5868] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5876] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5868] <... futex resumed>) = 0 [ 120.890685][ T5876] read_mapping_page failed! [ 120.899130][ T5876] ERROR: (device loop3): txCommit: [ 120.899130][ T5876] [pid 5876] <... openat resumed>) = -1 EIO (Input/output error) [pid 5876] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5876] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5868] exit_group(0) = ? [pid 5876] <... futex resumed>) = ? [pid 5869] <... futex resumed>) = ? [pid 5876] +++ exited with 0 +++ [pid 5869] +++ exited with 0 +++ [pid 5868] +++ exited with 0 +++ [pid 5838] <... close resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=34 /* 0.34 s */} --- [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 5877 attached [pid 5840] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5877] set_robust_list(0x55556644a6a0, 24 [pid 5838] <... clone resumed>, child_tidptr=0x55556644a690) = 5877 [pid 5877] <... set_robust_list resumed>) = 0 [pid 5877] chdir("./2") = 0 [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5877] setpgid(0, 0) = 0 [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "1000", 4) = 4 [pid 5877] close(3) = 0 [pid 5877] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5877] write(1, "executing program\n", 18executing program ) = 18 [pid 5877] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5877] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5877] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5877] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5877] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} => {parent_tid=[5878]}, 88) = 5878 [pid 5877] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5878 attached NULL, 8) = 0 [pid 5877] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5877] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5878] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053) = 0 [pid 5878] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5878] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5878] memfd_create("syzkaller", 0) = 3 [pid 5878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [ 120.968325][ T5840] [ 120.968325][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 120.968325][ T5840] [ 121.001499][ T5840] [ 121.001499][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 121.001499][ T5840] [pid 5840] <... umount2 resumed>) = 0 [pid 5840] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5840] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5840] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5840] close(4) = 0 [pid 5840] rmdir("./1/file0" [pid 5841] <... close resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5840] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./1/binderfs"./strace-static-x86_64: Process 5879 attached [pid 5841] <... clone resumed>, child_tidptr=0x55556644a690) = 5879 [pid 5879] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5879] chdir("./2" [pid 5840] getdents64(3, [pid 5879] <... chdir resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] close(3 [pid 5879] <... prctl resumed>) = 0 [pid 5879] setpgid(0, 0 [pid 5840] <... close resumed>) = 0 [pid 5879] <... setpgid resumed>) = 0 [pid 5840] rmdir("./1" [pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] <... rmdir resumed>) = 0 [pid 5879] <... openat resumed>) = 3 [pid 5840] mkdir("./2", 0777 [pid 5879] write(3, "1000", 4) = 4 [pid 5879] close(3 [pid 5874] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5840] <... mkdir resumed>) = 0 [pid 5879] <... close resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5879] symlink("/dev/binderfs", "./binderfs" [pid 5840] <... openat resumed>) = 3 [pid 5879] <... symlink resumed>) = 0 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5879] write(1, "executing program\n", 18 [pid 5840] <... ioctl resumed>) = 0 executing program [pid 5879] <... write resumed>) = 18 [pid 5840] close(3 [pid 5879] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5879] <... futex resumed>) = 0 [pid 5879] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5879] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5879] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5879] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0}./strace-static-x86_64: Process 5880 attached [pid 5880] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053) = 0 [pid 5880] set_robust_list(0x7f279f2219a0, 24 [pid 5879] <... clone3 resumed> => {parent_tid=[5880]}, 88) = 5880 [pid 5880] <... set_robust_list resumed>) = 0 [pid 5879] rt_sigprocmask(SIG_SETMASK, [], [pid 5880] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5879] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] memfd_create("syzkaller", 0 [pid 5879] <... futex resumed>) = 0 [pid 5880] <... memfd_create resumed>) = 3 [pid 5879] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5878] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5840] <... close resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5881 attached , child_tidptr=0x55556644a690) = 5881 [pid 5881] set_robust_list(0x55556644a6a0, 24) = 0 executing program [pid 5881] chdir("./2") = 0 [pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5881] setpgid(0, 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 5881] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5881] write(1, "executing program\n", 18) = 18 [pid 5881] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5881] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [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) = 0x7f279f201000 [pid 5881] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5881] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 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=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} => {parent_tid=[5882]}, 88) = 5882 [pid 5881] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5881] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5881] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5882 attached [pid 5882] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053) = 0 [pid 5882] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5882] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5882] memfd_create("syzkaller", 0) = 3 [pid 5882] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5880] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5874] <... write resumed>) = 16777216 [pid 5874] munmap(0x7f2796e00000, 138412032) = 0 [pid 5874] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5874] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5874] close(3) = 0 [pid 5874] close(4) = 0 [pid 5874] mkdir("./file0", 0777) = 0 [ 121.611671][ T5874] loop2: detected capacity change from 0 to 32768 [pid 5874] mount("/dev/loop2", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5875] <... write resumed>) = 16777216 [pid 5875] munmap(0x7f2796e00000, 138412032 [pid 5874] <... mount resumed>) = 0 [pid 5874] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5875] <... munmap resumed>) = 0 [pid 5875] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 121.674057][ T5874] [ 121.674057][ T5874] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 121.674057][ T5874] [pid 5875] ioctl(4, LOOP_SET_FD, 3 [pid 5874] chdir("./file0") = 0 [pid 5874] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5874] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5874] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] <... futex resumed>) = 0 [pid 5872] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5872] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5874] <... futex resumed>) = 0 [pid 5874] chdir("./file0") = 0 [pid 5874] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5874] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5875] <... ioctl resumed>) = 0 [pid 5872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5875] close(3 [pid 5872] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... futex resumed>) = 0 [pid 5872] <... futex resumed>) = 1 [pid 5875] <... close resumed>) = 0 [pid 5874] creat("./bus", 000 [pid 5872] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5875] close(4) = 0 [pid 5875] mkdir("./file0", 0777) = 0 [pid 5875] mount("/dev/loop0", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [ 121.735799][ T5875] loop0: detected capacity change from 0 to 32768 [ 121.765640][ T5874] read_mapping_page failed! [ 121.770223][ T5874] ERROR: (device loop2): txCommit: [ 121.770223][ T5874] [pid 5872] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5872] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f1e0000 [pid 5872] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5872] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0}./strace-static-x86_64: Process 5883 attached [pid 5883] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5872] <... clone3 resumed> => {parent_tid=[5883]}, 88) = 5883 [pid 5883] <... rseq resumed>) = 0 [pid 5872] rt_sigprocmask(SIG_SETMASK, [], [pid 5883] set_robust_list(0x7f279f2009a0, 24 [pid 5872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5872] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] rt_sigprocmask(SIG_SETMASK, [], [pid 5872] <... futex resumed>) = 0 [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5872] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5878] <... write resumed>) = 16777216 [pid 5883] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5882] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5878] munmap(0x7f2796e00000, 138412032 [pid 5874] <... creat resumed>) = -1 EIO (Input/output error) [pid 5883] <... openat resumed>) = -1 EIO (Input/output error) [pid 5883] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5883] <... futex resumed>) = 1 [pid 5878] <... munmap resumed>) = 0 [pid 5874] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] <... futex resumed>) = 0 [pid 5883] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5878] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5872] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... openat resumed>) = 4 [pid 5874] <... futex resumed>) = 0 [pid 5872] <... futex resumed>) = 1 [pid 5878] ioctl(4, LOOP_SET_FD, 3 [ 121.856313][ T5883] read_mapping_page failed! [ 121.856443][ T5875] [ 121.856443][ T5875] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 121.856443][ T5875] [ 121.860862][ T5883] ERROR: (device loop2): txCommit: [ 121.860862][ T5883] [ 121.893670][ T5874] read_mapping_page failed! [ 121.899109][ T5878] loop1: detected capacity change from 0 to 32768 [pid 5874] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5875] <... mount resumed>) = 0 [pid 5875] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5875] chdir("./file0") = 0 [pid 5875] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5875] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5875] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] <... futex resumed>) = 0 [pid 5873] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5875] <... futex resumed>) = 0 [pid 5878] <... ioctl resumed>) = 0 [pid 5875] chdir("./file0" [pid 5873] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5878] close(3 [pid 5875] <... chdir resumed>) = 0 [pid 5878] <... close resumed>) = 0 [pid 5875] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... openat resumed>) = -1 EIO (Input/output error) [pid 5878] close(4 [pid 5875] <... futex resumed>) = 1 [pid 5873] <... futex resumed>) = 0 [pid 5878] <... close resumed>) = 0 [pid 5875] creat("./bus", 000 [pid 5874] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] mkdir("./file0", 0777 [pid 5874] <... futex resumed>) = 0 [pid 5873] <... futex resumed>) = 0 [pid 5878] <... mkdir resumed>) = 0 [pid 5874] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] exit_group(0 [pid 5883] <... futex resumed>) = ? [pid 5874] <... futex resumed>) = ? [pid 5872] <... exit_group resumed>) = ? [pid 5883] +++ exited with 0 +++ [pid 5874] +++ exited with 0 +++ [pid 5872] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=34 /* 0.34 s */} --- [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5878] mount("/dev/loop1", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5839] <... restart_syscall resumed>) = 0 [pid 5839] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 121.909835][ T5874] ERROR: (device loop2): txCommit: [ 121.909835][ T5874] [ 121.931042][ T5875] read_mapping_page failed! [ 121.940646][ T5875] ERROR: (device loop0): txCommit: [ 121.940646][ T5875] [pid 5839] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5839] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5875] <... creat resumed>) = -1 EIO (Input/output error) [pid 5875] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5873] <... futex resumed>) = 0 [pid 5875] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5873] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 121.971581][ T5878] [ 121.971581][ T5878] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 121.971581][ T5878] [ 121.987488][ T5839] [ 121.987488][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 121.987488][ T5839] [ 121.988657][ T5875] read_mapping_page failed! [ 122.016014][ T5839] [pid 5873] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5878] <... mount resumed>) = 0 [pid 5878] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5878] chdir("./file0") = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5878] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5839] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5878] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5875] <... openat resumed>) = -1 EIO (Input/output error) [pid 5873] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5878] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] newfstatat(AT_FDCWD, "./2/file0", [pid 5878] <... futex resumed>) = 1 [pid 5877] <... futex resumed>) = 0 [pid 5873] <... futex resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5878] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5877] <... futex resumed>) = 0 [pid 5875] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... mmap resumed>) = 0x7f279f1e0000 [pid 5839] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5878] chdir("./file0" [pid 5877] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5875] <... futex resumed>) = 0 [pid 5873] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE [pid 5875] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] <... mprotect resumed>) = 0 [pid 5878] <... chdir resumed>) = 0 [pid 5873] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5873] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0} [pid 5839] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5873] <... clone3 resumed> => {parent_tid=[5884]}, 88) = 5884 ./strace-static-x86_64: Process 5884 attached [pid 5878] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] <... openat resumed>) = 4 [pid 5884] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5878] <... futex resumed>) = 1 [pid 5877] <... futex resumed>) = 0 [pid 5873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5884] <... rseq resumed>) = 0 [pid 5878] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] newfstatat(4, "", [pid 5884] set_robust_list(0x7f279f2009a0, 24 [pid 5877] <... futex resumed>) = 0 [pid 5873] <... futex resumed>) = 0 [pid 5884] <... set_robust_list resumed>) = 0 [pid 5878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 122.016014][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 122.016014][ T5839] [ 122.027328][ T5875] ERROR: (device loop0): txCommit: [ 122.027328][ T5875] [pid 5877] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5884] rt_sigprocmask(SIG_SETMASK, [], [pid 5878] creat("./bus", 000 [pid 5884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5884] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5839] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5839] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5839] close(4) = 0 [pid 5839] rmdir("./2/file0") = 0 [pid 5839] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5877] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5877] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5877] <... futex resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5884] <... openat resumed>) = -1 EIO (Input/output error) [pid 5880] <... write resumed>) = 16777216 [pid 5878] <... creat resumed>) = -1 EIO (Input/output error) [pid 5877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5884] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... mmap resumed>) = 0x7f279f1e0000 [pid 5873] exit_group(0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5884] <... futex resumed>) = ? [pid 5878] <... futex resumed>) = 0 [pid 5877] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE [pid 5875] <... futex resumed>) = ? [pid 5873] <... exit_group resumed>) = ? [pid 5839] unlink("./2/binderfs" [pid 5884] +++ exited with 0 +++ [pid 5878] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] <... mprotect resumed>) = 0 [pid 5875] +++ exited with 0 +++ [pid 5873] +++ exited with 0 +++ [pid 5877] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5880] munmap(0x7f2796e00000, 138412032 [pid 5877] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=32 /* 0.32 s */} --- [pid 5877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0} [pid 5839] <... unlink resumed>) = 0 [pid 5837] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5885 attached [pid 5839] getdents64(3, [pid 5837] <... restart_syscall resumed>) = 0 [pid 5885] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5877] <... clone3 resumed> => {parent_tid=[5885]}, 88) = 5885 [pid 5885] <... rseq resumed>) = 0 [pid 5877] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5885] set_robust_list(0x7f279f2009a0, 24 [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] close(3 [pid 5885] <... set_robust_list resumed>) = 0 [pid 5877] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] rt_sigprocmask(SIG_SETMASK, [], [pid 5877] <... futex resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5885] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 122.077737][ T5878] read_mapping_page failed! [ 122.082310][ T5878] ERROR: (device loop1): txCommit: [ 122.082310][ T5878] [ 122.095890][ T5884] read_mapping_page failed! [ 122.100470][ T5884] ERROR: (device loop0): txCommit: [ 122.100470][ T5884] [pid 5877] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5885] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5839] rmdir("./2" [pid 5837] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5837] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... rmdir resumed>) = 0 [pid 5839] mkdir("./3", 0777) = 0 [pid 5880] <... munmap resumed>) = 0 [pid 5885] <... openat resumed>) = -1 EIO (Input/output error) [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5880] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5885] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] <... openat resumed>) = 4 [pid 5877] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5839] <... openat resumed>) = 3 [pid 5885] <... futex resumed>) = 0 [pid 5877] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5878] <... futex resumed>) = 0 [pid 5877] <... futex resumed>) = 1 [ 122.157286][ T5885] read_mapping_page failed! [ 122.167247][ T5837] [ 122.167247][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 122.167247][ T5837] [ 122.167612][ T5885] ERROR: (device loop1): txCommit: [ 122.167612][ T5885] [ 122.190192][ T5837] [ 122.190192][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 122.190192][ T5837] [pid 5878] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5839] <... ioctl resumed>) = 0 [pid 5880] ioctl(4, LOOP_SET_FD, 3 [pid 5839] close(3 [pid 5880] <... ioctl resumed>) = 0 [pid 5880] close(3) = 0 [pid 5880] close(4) = 0 [pid 5880] mkdir("./file0", 0777) = 0 [ 122.208868][ T5880] loop4: detected capacity change from 0 to 32768 [ 122.217371][ T5878] read_mapping_page failed! [ 122.244364][ T5878] ERROR: (device loop1): txCommit: [ 122.244364][ T5878] [ 122.247155][ T5880] [pid 5880] mount("/dev/loop4", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5837] <... umount2 resumed>) = 0 [pid 5878] <... openat resumed>) = -1 EIO (Input/output error) [pid 5878] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5877] exit_group(0 [pid 5878] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] <... exit_group resumed>) = ? [pid 5885] <... futex resumed>) = ? [pid 5878] <... futex resumed>) = ? [pid 5885] +++ exited with 0 +++ [pid 5878] +++ exited with 0 +++ [pid 5837] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5877] +++ exited with 0 +++ [pid 5837] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=29 /* 0.29 s */} --- [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5837] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5837] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5837] close(4) = 0 [pid 5837] rmdir("./2/file0") = 0 [pid 5837] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./2/binderfs" [pid 5838] <... restart_syscall resumed>) = 0 [pid 5837] <... unlink resumed>) = 0 [pid 5837] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5837] close(3) = 0 [ 122.247155][ T5880] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 122.247155][ T5880] [pid 5838] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] rmdir("./2" [pid 5880] <... mount resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5880] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5838] <... openat resumed>) = 3 [pid 5837] <... rmdir resumed>) = 0 [pid 5838] newfstatat(3, "", [pid 5880] <... openat resumed>) = 3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] mkdir("./3", 0777 [pid 5838] getdents64(3, [pid 5880] chdir("./file0" [pid 5838] <... getdents64 resumed>0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5837] <... mkdir resumed>) = 0 [pid 5838] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5880] <... chdir resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5880] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5837] <... openat resumed>) = 3 [pid 5880] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [pid 5837] close(3 [pid 5880] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] <... futex resumed>) = 0 [pid 5879] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5879] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5880] <... futex resumed>) = 1 [pid 5880] chdir("./file0") = 0 [pid 5882] <... write resumed>) = 16777216 [pid 5880] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] munmap(0x7f2796e00000, 138412032 [pid 5880] <... futex resumed>) = 1 [pid 5879] <... futex resumed>) = 0 [pid 5879] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5879] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 122.328381][ T5838] [ 122.328381][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 122.328381][ T5838] [ 122.365729][ T5880] read_mapping_page failed! [ 122.370581][ T5838] [ 122.370581][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [pid 5880] creat("./bus", 000 [pid 5879] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5879] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5882] <... munmap resumed>) = 0 [pid 5879] <... mmap resumed>) = 0x7f279f1e0000 [pid 5879] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5838] <... umount2 resumed>) = 0 [pid 5879] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5838] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0} [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5880] <... creat resumed>) = -1 EIO (Input/output error) [pid 5879] <... clone3 resumed> => {parent_tid=[5886]}, 88) = 5886 [pid 5838] newfstatat(AT_FDCWD, "./2/file0", ./strace-static-x86_64: Process 5886 attached [pid 5880] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] rt_sigprocmask(SIG_SETMASK, [], [pid 5880] <... futex resumed>) = 0 [pid 5879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5880] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5879] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5879] <... futex resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 122.370581][ T5838] [ 122.383862][ T5880] ERROR: (device loop4): txCommit: [ 122.383862][ T5880] [pid 5879] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5886] <... rseq resumed>) = 0 [pid 5838] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5882] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5882] ioctl(4, LOOP_SET_FD, 3 [pid 5886] set_robust_list(0x7f279f2009a0, 24 [pid 5838] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5886] <... set_robust_list resumed>) = 0 [pid 5838] <... openat resumed>) = 4 [pid 5886] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] newfstatat(4, "", [pid 5886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5886] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5838] getdents64(4, [pid 5882] <... ioctl resumed>) = 0 [pid 5882] close(3) = 0 [pid 5882] close(4) = 0 [pid 5882] mkdir("./file0", 0777) = 0 [pid 5882] mount("/dev/loop3", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5879] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5838] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5879] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] <... futex resumed>) = 0 [pid 5879] <... futex resumed>) = 1 [ 122.446568][ T5882] loop3: detected capacity change from 0 to 32768 [ 122.476557][ T5886] read_mapping_page failed! [ 122.481163][ T5886] ERROR: (device loop4): txCommit: [ 122.481163][ T5886] [pid 5880] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5838] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5838] close(4) = 0 [pid 5838] rmdir("./2/file0") = 0 [pid 5838] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5886] <... openat resumed>) = -1 EIO (Input/output error) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5886] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 122.506230][ T5882] [ 122.506230][ T5882] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 122.506230][ T5882] [ 122.544521][ T5880] read_mapping_page failed! [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5886] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] unlink("./2/binderfs" [pid 5880] <... openat resumed>) = -1 EIO (Input/output error) [pid 5838] <... unlink resumed>) = 0 [pid 5882] <... mount resumed>) = 0 [pid 5882] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5838] getdents64(3, [pid 5882] <... openat resumed>) = 3 [pid 5882] chdir("./file0") = 0 [pid 5838] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [ 122.559217][ T5880] ERROR: (device loop4): txCommit: [ 122.559217][ T5880] [pid 5882] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5838] close(3 [pid 5882] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... close resumed>) = 0 [pid 5882] <... futex resumed>) = 1 [pid 5881] <... futex resumed>) = 0 [pid 5838] rmdir("./2" [pid 5882] chdir("./file0" [pid 5881] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5881] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5880] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5879] exit_group(0 [pid 5880] exit_group(0 [pid 5838] <... rmdir resumed>) = 0 [pid 5886] <... futex resumed>) = ? [pid 5880] <... exit_group resumed>) = ? [pid 5882] <... chdir resumed>) = 0 [pid 5880] +++ exited with 0 +++ [pid 5886] +++ exited with 0 +++ [pid 5879] <... exit_group resumed>) = ? [pid 5838] mkdir("./3", 0777 [pid 5882] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5881] <... futex resumed>) = 0 [pid 5882] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5881] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5881] <... futex resumed>) = 0 [pid 5882] creat("./bus", 000 [pid 5881] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5879] +++ exited with 0 +++ [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=28 /* 0.28 s */} --- [pid 5841] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5841] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5841] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5882] <... creat resumed>) = -1 EIO (Input/output error) [pid 5838] <... openat resumed>) = 3 [pid 5882] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5881] <... futex resumed>) = 0 [pid 5881] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5882] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5881] <... futex resumed>) = 0 [ 122.609446][ T5882] read_mapping_page failed! [ 122.626907][ T5882] ERROR: (device loop3): txCommit: [ 122.626907][ T5882] [ 122.636370][ T5841] [ 122.636370][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 122.636370][ T5841] [ 122.650126][ T5882] read_mapping_page failed! [ 122.654689][ T5882] ERROR: (device loop3): txCommit: [pid 5881] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... close resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] close(3 [pid 5839] <... clone resumed>, child_tidptr=0x55556644a690) = 5888 [ 122.654689][ T5882] [ 122.675866][ T5841] [ 122.675866][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 122.675866][ T5841] ./strace-static-x86_64: Process 5888 attached [pid 5882] <... openat resumed>) = -1 EIO (Input/output error) [pid 5888] set_robust_list(0x55556644a6a0, 24 [pid 5882] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] <... set_robust_list resumed>) = 0 [pid 5882] <... futex resumed>) = 1 [pid 5881] <... futex resumed>) = 0 [pid 5881] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5888] chdir("./3" [pid 5882] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5888] <... chdir resumed>) = 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") = 0 [pid 5888] write(1, "executing program\n", 18executing program ) = 18 [pid 5888] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5888] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, 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) = 0x7f279f201000 [pid 5888] mprotect(0x7f279f202000, 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=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0}./strace-static-x86_64: Process 5889 attached => {parent_tid=[5889]}, 88) = 5889 [pid 5841] <... umount2 resumed>) = 0 [pid 5888] rt_sigprocmask(SIG_SETMASK, [], [pid 5841] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5889] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5888] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] newfstatat(AT_FDCWD, "./2/file0", [pid 5889] <... rseq resumed>) = 0 [pid 5888] <... futex resumed>) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5889] set_robust_list(0x7f279f2219a0, 24 [pid 5888] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5841] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5841] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5841] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5841] close(4) = 0 [pid 5841] rmdir("./2/file0" [pid 5889] <... set_robust_list resumed>) = 0 [pid 5889] rt_sigprocmask(SIG_SETMASK, [], [pid 5841] <... rmdir resumed>) = 0 [pid 5889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5889] memfd_create("syzkaller", 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 122.711974][ T5882] read_mapping_page failed! [ 122.723390][ T5882] ERROR: (device loop3): txCommit: [ 122.723390][ T5882] [pid 5841] unlink("./2/binderfs" [pid 5889] <... memfd_create resumed>) = 3 [pid 5882] <... openat resumed>) = -1 EIO (Input/output error) [pid 5841] <... unlink resumed>) = 0 [pid 5882] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5841] getdents64(3, [pid 5882] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5841] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5841] close(3) = 0 [pid 5841] rmdir("./2") = 0 [pid 5881] exit_group(0 [pid 5882] <... futex resumed>) = ? [pid 5881] <... exit_group resumed>) = ? [pid 5882] +++ exited with 0 +++ [pid 5881] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=26 /* 0.26 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5841] mkdir("./3", 0777) = 0 [pid 5889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5889] <... mmap resumed>) = 0x7f2796e00000 [pid 5841] <... openat resumed>) = 3 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5840] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5840] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] ioctl(3, LOOP_CLR_FD) = 0 [pid 5841] close(3) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556644a690) = 5890 ./strace-static-x86_64: Process 5890 attached [pid 5837] <... close resumed>) = 0 [pid 5890] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5890] chdir("./3") = 0 [pid 5890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5890] setpgid(0, 0) = 0 [pid 5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5890] write(3, "1000", 4) = 4 [pid 5890] close(3) = 0 [pid 5890] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5890] write(1, "executing program\n", 18) = 18 [pid 5890] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5890] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5890] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5890] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5890] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5890] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} [pid 5837] <... clone resumed>, child_tidptr=0x55556644a690) = 5891 [pid 5890] <... clone3 resumed> => {parent_tid=[5892]}, 88) = 5892 [pid 5890] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5890] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5891 attached ) = 0 [pid 5891] set_robust_list(0x55556644a6a0, 24./strace-static-x86_64: Process 5892 attached [pid 5892] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053) = 0 [pid 5890] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5892] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5892] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5892] memfd_create("syzkaller", 0 [pid 5891] <... set_robust_list resumed>) = 0 [pid 5891] chdir("./3") = 0 [pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5891] setpgid(0, 0 [pid 5892] <... memfd_create resumed>) = 3 [pid 5891] <... setpgid resumed>) = 0 [pid 5892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5892] <... mmap resumed>) = 0x7f2796e00000 executing program [pid 5891] <... openat resumed>) = 3 [pid 5891] write(3, "1000", 4) = 4 [pid 5891] close(3) = 0 [pid 5891] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5891] write(1, "executing program\n", 18) = 18 [pid 5891] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5891] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5891] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5891] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5891] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0}./strace-static-x86_64: Process 5893 attached [ 122.787084][ T5840] [ 122.787084][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 122.787084][ T5840] [ 122.818528][ T5840] [ 122.818528][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 122.818528][ T5840] [pid 5840] <... umount2 resumed>) = 0 [pid 5891] <... clone3 resumed> => {parent_tid=[5893]}, 88) = 5893 [pid 5840] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5893] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5891] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5893] <... rseq resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5891] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5893] set_robust_list(0x7f279f2219a0, 24 [pid 5891] <... futex resumed>) = 0 [pid 5840] <... openat resumed>) = 4 [pid 5893] <... set_robust_list resumed>) = 0 [pid 5891] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5840] newfstatat(4, "", [pid 5893] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] getdents64(4, [pid 5893] memfd_create("syzkaller", 0 [pid 5840] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5893] <... memfd_create resumed>) = 3 [pid 5840] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5840] close(4) = 0 [pid 5840] rmdir("./2/file0") = 0 [pid 5840] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./2/binderfs") = 0 [pid 5840] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./2" [pid 5893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5893] <... mmap resumed>) = 0x7f2796e00000 [pid 5840] mkdir("./3", 0777) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5840] ioctl(3, LOOP_CLR_FD) = 0 [pid 5840] close(3) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 5894 attached , child_tidptr=0x55556644a690) = 5894 [pid 5894] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5894] chdir("./3") = 0 [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5894] setpgid(0, 0) = 0 [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5894] write(3, "1000", 4) = 4 [pid 5894] close(3) = 0 [pid 5894] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5894] write(1, "executing program\n", 18) = 18 [pid 5894] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5894] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5894] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5894] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5894] rt_sigprocmask(SIG_BLOCK, ~[], [], 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=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0}./strace-static-x86_64: Process 5895 attached => {parent_tid=[5895]}, 88) = 5895 [pid 5894] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5894] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5894] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5895] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053) = 0 [pid 5895] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5895] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5895] memfd_create("syzkaller", 0) = 3 [pid 5895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5838] <... close resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556644a690) = 5896 ./strace-static-x86_64: Process 5896 attached [pid 5896] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5896] chdir("./3") = 0 [pid 5896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5896] setpgid(0, 0) = 0 [pid 5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5896] write(3, "1000", 4) = 4 [pid 5896] close(3) = 0 [pid 5896] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5896] write(1, "executing program\n", 18) = 18 [pid 5896] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5896] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5896] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5896] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5896] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5896] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5896] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} => {parent_tid=[5897]}, 88) = 5897 ./strace-static-x86_64: Process 5897 attached [pid 5896] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5896] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5896] <... futex resumed>) = 0 [pid 5897] <... rseq resumed>) = 0 [pid 5897] set_robust_list(0x7f279f2219a0, 24 [pid 5896] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5897] <... set_robust_list resumed>) = 0 [pid 5897] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5897] memfd_create("syzkaller", 0) = 3 [pid 5897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5892] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [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"..., 16777216 [pid 5893] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5895] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5897] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5892] <... write resumed>) = 16777216 [pid 5892] munmap(0x7f2796e00000, 138412032 [pid 5893] <... write resumed>) = 16777216 [pid 5892] <... munmap resumed>) = 0 [pid 5892] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5895] <... write resumed>) = 16777216 [pid 5893] munmap(0x7f2796e00000, 138412032 [pid 5892] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5895] munmap(0x7f2796e00000, 138412032 [pid 5893] <... munmap resumed>) = 0 [pid 5892] close(3 [pid 5893] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5892] <... close resumed>) = 0 [pid 5893] <... openat resumed>) = 4 [pid 5893] ioctl(4, LOOP_SET_FD, 3 [ 123.816200][ T5892] loop4: detected capacity change from 0 to 32768 [pid 5892] close(4 [pid 5889] <... write resumed>) = 16777216 [pid 5889] munmap(0x7f2796e00000, 138412032 [pid 5892] <... close resumed>) = 0 [pid 5893] <... ioctl resumed>) = 0 [pid 5892] mkdir("./file0", 0777 [pid 5893] close(3) = 0 [pid 5892] <... mkdir resumed>) = 0 [pid 5893] close(4 [pid 5892] mount("/dev/loop4", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5893] <... close resumed>) = 0 [pid 5893] mkdir("./file0", 0777 [pid 5895] <... munmap resumed>) = 0 [pid 5893] <... mkdir resumed>) = 0 [ 123.862140][ T5893] loop0: detected capacity change from 0 to 32768 [pid 5893] mount("/dev/loop0", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5895] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5895] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5892] <... mount resumed>) = 0 [pid 5889] <... munmap resumed>) = 0 [pid 5892] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5889] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5892] <... openat resumed>) = 3 [pid 5889] ioctl(4, LOOP_SET_FD, 3 [ 123.902453][ T5892] [ 123.902453][ T5892] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 123.902453][ T5892] [ 123.905948][ T5895] loop3: detected capacity change from 0 to 32768 [ 123.931376][ T5893] [ 123.931376][ T5893] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 123.931376][ T5893] [pid 5895] close(3) = 0 [pid 5895] close(4) = 0 [pid 5895] mkdir("./file0", 0777) = 0 [pid 5895] mount("/dev/loop3", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5892] chdir("./file0") = 0 [pid 5892] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5889] <... ioctl resumed>) = 0 [pid 5893] <... mount resumed>) = 0 [pid 5892] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] close(3 [pid 5893] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5892] <... futex resumed>) = 1 [pid 5890] <... futex resumed>) = 0 [pid 5889] <... close resumed>) = 0 [pid 5893] <... openat resumed>) = 3 [pid 5892] chdir("./file0" [pid 5890] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] close(4 [pid 5893] chdir("./file0") = 0 [pid 5892] <... chdir resumed>) = 0 [pid 5890] <... futex resumed>) = 0 [pid 5889] <... close resumed>) = 0 [pid 5893] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5889] mkdir("./file0", 0777 [pid 5892] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5893] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5892] <... futex resumed>) = 0 [pid 5890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5889] <... mkdir resumed>) = 0 [pid 5890] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] mount("/dev/loop2", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5890] <... futex resumed>) = 0 [pid 5893] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] creat("./bus", 000 [ 123.958210][ T5889] loop2: detected capacity change from 0 to 32768 [ 123.971172][ T5895] [ 123.971172][ T5895] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 123.971172][ T5895] [pid 5890] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5893] <... futex resumed>) = 1 [pid 5891] <... futex resumed>) = 0 [pid 5893] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5891] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5891] <... futex resumed>) = 0 [pid 5893] chdir("./file0" [pid 5891] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5893] <... chdir resumed>) = 0 [pid 5893] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5891] <... futex resumed>) = 0 [pid 5893] creat("./bus", 000 [pid 5891] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5891] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5895] <... mount resumed>) = 0 [pid 5895] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5895] chdir("./file0") = 0 [pid 5895] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5895] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5894] <... futex resumed>) = 0 [ 124.014547][ T5892] read_mapping_page failed! [ 124.025199][ T5889] [ 124.025199][ T5889] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 124.025199][ T5889] [ 124.040319][ T5893] read_mapping_page failed! [ 124.045372][ T5892] ERROR: (device loop4): txCommit: [ 124.045372][ T5892] [pid 5895] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5894] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5895] <... futex resumed>) = 0 [pid 5894] <... futex resumed>) = 1 [pid 5890] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] chdir("./file0" [pid 5894] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5890] <... futex resumed>) = 0 [pid 5890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f1e0000 [pid 5895] <... chdir resumed>) = 0 [pid 5890] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE [pid 5895] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5895] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5894] <... futex resumed>) = 0 [pid 5892] <... creat resumed>) = -1 EIO (Input/output error) [pid 5890] <... mprotect resumed>) = 0 [pid 5894] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5894] <... futex resumed>) = 1 [pid 5892] <... futex resumed>) = 0 [pid 5890] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5894] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5892] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0}./strace-static-x86_64: Process 5900 attached [pid 5895] <... futex resumed>) = 0 [pid 5889] <... mount resumed>) = 0 [pid 5900] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5895] creat("./bus", 000 [pid 5890] <... clone3 resumed> => {parent_tid=[5900]}, 88) = 5900 [pid 5889] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5900] <... rseq resumed>) = 0 [pid 5890] rt_sigprocmask(SIG_SETMASK, [], [pid 5889] <... openat resumed>) = 3 [pid 5900] set_robust_list(0x7f279f2009a0, 24 [pid 5891] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5889] chdir("./file0" [pid 5900] <... set_robust_list resumed>) = 0 [pid 5897] <... write resumed>) = 16777216 [pid 5891] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... creat resumed>) = -1 EIO (Input/output error) [pid 5893] <... creat resumed>) = -1 EIO (Input/output error) [pid 5889] <... chdir resumed>) = 0 [pid 5900] rt_sigprocmask(SIG_SETMASK, [], [pid 5897] munmap(0x7f2796e00000, 138412032 [pid 5895] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] <... futex resumed>) = 0 [pid 5890] <... futex resumed>) = 0 [pid 5889] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] <... futex resumed>) = 1 [pid 5894] <... futex resumed>) = 0 [pid 5891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5890] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 124.063633][ T5893] ERROR: (device loop0): txCommit: [ 124.063633][ T5893] [ 124.087620][ T5895] read_mapping_page failed! [ 124.092199][ T5895] ERROR: (device loop3): txCommit: [ 124.092199][ T5895] [pid 5900] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5894] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... futex resumed>) = 0 [pid 5891] <... mmap resumed>) = 0x7f279f1e0000 [pid 5889] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5894] <... futex resumed>) = 0 [pid 5891] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE [pid 5889] <... futex resumed>) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5891] <... mprotect resumed>) = 0 [pid 5888] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5888] <... futex resumed>) = 0 [pid 5893] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5891] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5889] chdir("./file0" [pid 5888] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0} [pid 5889] <... chdir resumed>) = 0 [pid 5891] <... clone3 resumed> => {parent_tid=[5901]}, 88) = 5901 [pid 5889] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5901 attached [pid 5891] rt_sigprocmask(SIG_SETMASK, [], [pid 5889] <... futex resumed>) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5894] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5889] creat("./bus", 000 [pid 5888] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] <... futex resumed>) = 0 [pid 5891] <... futex resumed>) = 0 [pid 5888] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5891] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5890] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5890] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... rseq resumed>) = 0 [pid 5890] <... futex resumed>) = 1 [pid 5901] set_robust_list(0x7f279f2009a0, 24 [pid 5892] <... futex resumed>) = 0 [pid 5892] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5901] <... set_robust_list resumed>) = 0 [ 124.115773][ T5900] read_mapping_page failed! [ 124.127061][ T5895] read_mapping_page failed! [ 124.134374][ T5895] ERROR: (device loop3): txCommit: [ 124.134374][ T5895] [ 124.152055][ T5900] ERROR: (device loop4): txCommit: [ 124.152055][ T5900] [ 124.160330][ T5889] read_mapping_page failed! [pid 5901] rt_sigprocmask(SIG_SETMASK, [], [pid 5895] <... openat resumed>) = -1 EIO (Input/output error) [pid 5901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5901] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5895] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5894] <... futex resumed>) = 0 [pid 5900] <... openat resumed>) = -1 EIO (Input/output error) [pid 5894] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... futex resumed>) = 0 [pid 5894] <... futex resumed>) = 1 [pid 5895] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5897] <... munmap resumed>) = 0 [pid 5891] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5888] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5900] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... futex resumed>) = 0 [pid 5891] <... futex resumed>) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5900] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] <... futex resumed>) = 0 [pid 5888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5897] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5893] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5888] <... mmap resumed>) = 0x7f279f1e0000 [pid 5897] <... openat resumed>) = 4 [pid 5888] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE [pid 5897] ioctl(4, LOOP_SET_FD, 3 [pid 5888] <... mprotect resumed>) = 0 [ 124.175398][ T5889] ERROR: (device loop2): txCommit: [ 124.175398][ T5889] [ 124.188467][ T5892] read_mapping_page failed! [ 124.193045][ T5892] ERROR: (device loop4): txCommit: [ 124.193045][ T5892] [ 124.195536][ T5901] read_mapping_page failed! [ 124.200877][ T5895] read_mapping_page failed! [ 124.214961][ T5897] loop1: detected capacity change from 0 to 32768 [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=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0} => {parent_tid=[5902]}, 88) = 5902 [pid 5889] <... creat resumed>) = -1 EIO (Input/output error) [pid 5888] rt_sigprocmask(SIG_SETMASK, [], [pid 5889] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5889] <... futex resumed>) = 0 [pid 5888] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] <... futex resumed>) = 0 [pid 5888] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5902 attached [pid 5902] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053) = 0 [pid 5897] <... ioctl resumed>) = 0 [pid 5897] close(3) = 0 [pid 5897] close(4) = 0 [pid 5892] <... openat resumed>) = -1 EIO (Input/output error) [pid 5897] mkdir("./file0", 0777 [pid 5892] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] set_robust_list(0x7f279f2009a0, 24 [pid 5897] <... mkdir resumed>) = 0 [pid 5892] <... futex resumed>) = 0 [pid 5902] <... set_robust_list resumed>) = 0 [pid 5892] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5890] exit_group(0 [pid 5902] rt_sigprocmask(SIG_SETMASK, [], [pid 5900] <... futex resumed>) = ? [pid 5892] <... futex resumed>) = ? [pid 5890] <... exit_group resumed>) = ? [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5900] +++ exited with 0 +++ [pid 5892] +++ exited with 0 +++ [pid 5890] +++ exited with 0 +++ [pid 5902] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [ 124.224330][ T5901] ERROR: (device loop0): txCommit: [ 124.224330][ T5901] [ 124.228257][ T5895] ERROR: (device loop3): txCommit: [ 124.228257][ T5895] [ 124.258139][ T5902] read_mapping_page failed! [ 124.262724][ T5902] ERROR: (device loop2): txCommit: [ 124.262724][ T5902] [ 124.263526][ T5897] [pid 5897] mount("/dev/loop1", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5901] <... openat resumed>) = -1 EIO (Input/output error) [pid 5888] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5890, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=29 /* 0.29 s */} --- [pid 5888] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... futex resumed>) = 0 [pid 5888] <... futex resumed>) = 1 [pid 5841] restart_syscall(<... resuming interrupted clone ...> [pid 5901] <... futex resumed>) = 0 [pid 5841] <... restart_syscall resumed>) = 0 [pid 5901] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5889] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5841] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5895] <... openat resumed>) = -1 EIO (Input/output error) [pid 5841] getdents64(3, [pid 5902] <... openat resumed>) = -1 EIO (Input/output error) [pid 5895] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5895] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5894] exit_group(0 [pid 5895] <... futex resumed>) = ? [pid 5894] <... exit_group resumed>) = ? [pid 5841] <... getdents64 resumed>0x55556644b730 /* 4 entries */, 32768) = 112 [ 124.263526][ T5897] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 124.263526][ T5897] [ 124.288000][ T5893] read_mapping_page failed! [ 124.292952][ T5893] ERROR: (device loop0): txCommit: [ 124.292952][ T5893] [ 124.309806][ T5889] read_mapping_page failed! [ 124.315775][ T5889] ERROR: (device loop2): txCommit: [ 124.315775][ T5889] [pid 5902] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5895] +++ exited with 0 +++ [pid 5894] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=38 /* 0.38 s */} --- [pid 5902] <... futex resumed>) = 0 [pid 5893] <... openat resumed>) = -1 EIO (Input/output error) [pid 5902] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] <... mount resumed>) = 0 [pid 5889] <... openat resumed>) = -1 EIO (Input/output error) [pid 5897] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5893] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] exit_group(0) = ? [pid 5901] <... futex resumed>) = ? [pid 5889] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] chdir("./file0" [pid 5893] <... futex resumed>) = ? [pid 5889] <... futex resumed>) = 0 [pid 5897] <... chdir resumed>) = 0 [pid 5840] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5901] +++ exited with 0 +++ [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5888] exit_group(0) = ? [pid 5840] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5902] <... futex resumed>) = ? [pid 5897] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5840] <... openat resumed>) = 3 [pid 5902] +++ exited with 0 +++ [pid 5840] newfstatat(3, "", [pid 5897] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5889] +++ exited with 0 +++ [pid 5888] +++ exited with 0 +++ [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=25 /* 0.25 s */} --- [pid 5840] <... getdents64 resumed>0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5840] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5897] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5839] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5897] <... futex resumed>) = 1 [pid 5896] <... futex resumed>) = 0 [pid 5896] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] chdir("./file0" [pid 5896] <... futex resumed>) = 0 [pid 5896] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5893] +++ exited with 0 +++ [pid 5891] +++ exited with 0 +++ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=31 /* 0.31 s */} --- [pid 5837] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5837] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [ 124.340109][ T5841] [ 124.340109][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 124.340109][ T5841] [ 124.368603][ T5841] [ 124.368603][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 124.368603][ T5841] [ 124.383211][ T5837] [pid 5837] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5897] <... chdir resumed>) = 0 [pid 5896] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5896] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5896] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f1e0000 [pid 5896] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5896] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5896] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0}./strace-static-x86_64: Process 5904 attached [pid 5897] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5896] <... clone3 resumed> => {parent_tid=[5904]}, 88) = 5904 [pid 5896] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5896] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5896] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053) = 0 [pid 5904] set_robust_list(0x7f279f2009a0, 24) = 0 [pid 5904] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 124.383211][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 124.383211][ T5837] [ 124.395673][ T5840] [ 124.395673][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 124.395673][ T5840] [ 124.406795][ T5839] [ 124.406795][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 124.406795][ T5839] [ 124.422726][ T5839] [ 124.422726][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 124.422726][ T5839] [ 124.434285][ T5837] [pid 5904] creat("./bus", 000 [pid 5897] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5841] <... umount2 resumed>) = 0 [pid 5841] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... umount2 resumed>) = 0 [pid 5841] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... openat resumed>) = 4 [pid 5841] newfstatat(4, "", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5896] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] newfstatat(AT_FDCWD, "./3/file0", [pid 5904] <... creat resumed>) = -1 EIO (Input/output error) [pid 5839] <... umount2 resumed>) = 0 [pid 5904] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5904] <... futex resumed>) = 0 [pid 5897] <... futex resumed>) = 0 [pid 5896] <... futex resumed>) = 1 [pid 5837] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5904] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5896] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 124.434285][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 124.434285][ T5837] [ 124.441689][ T5904] read_mapping_page failed! [ 124.444877][ T5840] [ 124.444877][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 124.444877][ T5840] [ 124.476707][ T5904] ERROR: (device loop1): txCommit: [ 124.476707][ T5904] [pid 5837] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] newfstatat(AT_FDCWD, "./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... openat resumed>) = 4 [pid 5839] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] newfstatat(4, "", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5897] <... openat resumed>) = -1 EIO (Input/output error) [pid 5841] getdents64(4, [pid 5839] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5897] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5839] <... openat resumed>) = 4 [pid 5837] getdents64(4, [pid 5897] <... futex resumed>) = 1 [pid 5841] getdents64(4, [pid 5839] newfstatat(4, "", [pid 5897] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5841] <... getdents64 resumed>0x555566453770 /* 0 entries */, 32768) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, [pid 5841] close(4 [pid 5839] getdents64(4, [pid 5837] <... getdents64 resumed>0x555566453770 /* 0 entries */, 32768) = 0 [pid 5896] <... futex resumed>) = 0 [pid 5841] <... close resumed>) = 0 [pid 5839] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5837] close(4 [pid 5841] rmdir("./3/file0" [pid 5839] getdents64(4, [pid 5837] <... close resumed>) = 0 [pid 5896] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... rmdir resumed>) = 0 [pid 5840] <... umount2 resumed>) = 0 [pid 5839] <... getdents64 resumed>0x555566453770 /* 0 entries */, 32768) = 0 [pid 5837] rmdir("./3/file0" [pid 5841] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] close(4 [pid 5896] <... futex resumed>) = 1 [pid 5840] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5897] <... futex resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5897] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... close resumed>) = 0 [pid 5837] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5839] rmdir("./3/file0" [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] newfstatat(AT_FDCWD, "./3/file0", [pid 5837] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5841] unlink("./3/binderfs" [pid 5840] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5840] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5837] unlink("./3/binderfs" [pid 5841] <... unlink resumed>) = 0 [pid 5840] getdents64(4, [pid 5837] <... unlink resumed>) = 0 [pid 5841] getdents64(3, [pid 5839] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] getdents64(3, [pid 5840] <... getdents64 resumed>0x555566453770 /* 0 entries */, 32768) = 0 [pid 5840] close(4 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5841] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5840] rmdir("./3/file0" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] close(3 [pid 5839] unlink("./3/binderfs" [pid 5840] <... rmdir resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5841] close(3 [pid 5839] <... unlink resumed>) = 0 [pid 5837] rmdir("./3" [pid 5841] <... close resumed>) = 0 [pid 5839] getdents64(3, [pid 5840] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./3/binderfs") = 0 [pid 5840] getdents64(3, [pid 5897] <... openat resumed>) = -1 EIO (Input/output error) [pid 5841] rmdir("./3" [pid 5840] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5839] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5840] close(3 [pid 5897] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... rmdir resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] close(3 [pid 5837] mkdir("./4", 0777 [pid 5897] <... futex resumed>) = 0 [pid 5896] exit_group(0 [pid 5841] mkdir("./4", 0777 [pid 5839] <... close resumed>) = 0 [pid 5904] <... futex resumed>) = ? [pid 5896] <... exit_group resumed>) = ? [pid 5840] rmdir("./3" [pid 5837] <... mkdir resumed>) = 0 [pid 5904] +++ exited with 0 +++ [pid 5840] <... rmdir resumed>) = 0 [pid 5840] mkdir("./4", 0777 [pid 5897] +++ exited with 0 +++ [pid 5896] +++ exited with 0 +++ [pid 5841] <... mkdir resumed>) = 0 [pid 5839] rmdir("./3" [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5896, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=39 /* 0.39 s */} --- [pid 5837] <... openat resumed>) = 3 [pid 5841] <... openat resumed>) = 3 [pid 5839] mkdir("./4", 0777 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5839] <... mkdir resumed>) = 0 [pid 5838] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... ioctl resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] ioctl(3, LOOP_CLR_FD [pid 5840] <... openat resumed>) = 3 [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR [ 124.498703][ T5897] read_mapping_page failed! [ 124.503278][ T5897] ERROR: (device loop1): txCommit: [ 124.503278][ T5897] [ 124.521310][ T5897] read_mapping_page failed! [ 124.534979][ T5897] ERROR: (device loop1): txCommit: [ 124.534979][ T5897] [pid 5838] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] close(3 [pid 5841] <... ioctl resumed>) = 0 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] <... openat resumed>) = 3 [pid 5838] <... openat resumed>) = 3 [pid 5840] <... ioctl resumed>) = 0 [pid 5841] close(3 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] newfstatat(3, "", [pid 5840] close(3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5838] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... ioctl resumed>) = 0 [ 124.646510][ T5838] [ 124.646510][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 124.646510][ T5838] [ 124.686554][ T5838] [ 124.686554][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [pid 5839] close(3 [pid 5838] <... umount2 resumed>) = 0 [pid 5838] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 124.686554][ T5838] [pid 5838] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5838] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5838] close(4) = 0 [pid 5838] rmdir("./3/file0") = 0 [pid 5838] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./3/binderfs") = 0 [pid 5838] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5838] close(3) = 0 [pid 5838] rmdir("./3") = 0 [pid 5838] mkdir("./4", 0777) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5838] ioctl(3, LOOP_CLR_FD) = 0 [pid 5838] close(3) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556644a690) = 5905 ./strace-static-x86_64: Process 5905 attached [pid 5905] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5905] chdir("./4") = 0 [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5905] setpgid(0, 0) = 0 [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5905] write(3, "1000", 4) = 4 [pid 5905] close(3) = 0 [pid 5905] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5905] write(1, "executing program\n", 18) = 18 [pid 5905] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5905] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5905] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5905] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5905] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0}./strace-static-x86_64: Process 5908 attached [pid 5908] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5905] <... clone3 resumed> => {parent_tid=[5908]}, 88) = 5908 [pid 5905] rt_sigprocmask(SIG_SETMASK, [], [pid 5908] <... rseq resumed>) = 0 [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5908] rt_sigprocmask(SIG_SETMASK, [], [pid 5905] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5908] memfd_create("syzkaller", 0) = 3 [pid 5908] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5840] <... close resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] <... close resumed>) = 0 ./strace-static-x86_64: Process 5909 attached [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... clone resumed>, child_tidptr=0x55556644a690) = 5909 [pid 5909] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5909] chdir("./4") = 0 [pid 5909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5909] setpgid(0, 0 [pid 5837] <... clone resumed>, child_tidptr=0x55556644a690) = 5910 executing program [pid 5909] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5910 attached [pid 5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5909] write(3, "1000", 4) = 4 [pid 5909] close(3) = 0 [pid 5909] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5909] write(1, "executing program\n", 18) = 18 [pid 5909] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5909] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5909] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5909] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5909] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 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=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} => {parent_tid=[5911]}, 88) = 5911 [pid 5909] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5909] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5909] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5910] set_robust_list(0x55556644a6a0, 24) = 0 ./strace-static-x86_64: Process 5911 attached [pid 5910] chdir("./4" [pid 5841] <... close resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5910] <... chdir resumed>) = 0 [pid 5910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5910] setpgid(0, 0 [pid 5911] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053) = 0 [pid 5911] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5911] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5911] memfd_create("syzkaller", 0 [pid 5910] <... setpgid resumed>) = 0 [pid 5911] <... memfd_create resumed>) = 3 [pid 5911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5911] <... mmap resumed>) = 0x7f2796e00000 [pid 5910] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5912 attached [pid 5910] write(3, "1000", 4) = 4 [pid 5912] set_robust_list(0x55556644a6a0, 24 [pid 5910] close(3 [pid 5912] <... set_robust_list resumed>) = 0 [pid 5910] <... close resumed>) = 0 [pid 5912] chdir("./4" [pid 5910] symlink("/dev/binderfs", "./binderfs" [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5910] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5913 attached [pid 5839] <... clone resumed>, child_tidptr=0x55556644a690) = 5912 [pid 5841] <... clone resumed>, child_tidptr=0x55556644a690) = 5913 executing program [pid 5912] <... chdir resumed>) = 0 [pid 5910] write(1, "executing program\n", 18 [pid 5913] set_robust_list(0x55556644a6a0, 24 [pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5910] <... write resumed>) = 18 [pid 5910] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... prctl resumed>) = 0 [pid 5913] <... set_robust_list resumed>) = 0 [pid 5910] <... futex resumed>) = 0 [pid 5912] setpgid(0, 0 [pid 5910] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, [pid 5912] <... setpgid resumed>) = 0 [pid 5910] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5910] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5910] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5910] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5913] chdir("./4" [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=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0}./strace-static-x86_64: Process 5914 attached [pid 5912] <... openat resumed>) = 3 [pid 5913] <... chdir resumed>) = 0 [pid 5914] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5910] <... clone3 resumed> => {parent_tid=[5914]}, 88) = 5914 [pid 5914] <... rseq resumed>) = 0 [pid 5913] <... prctl resumed>) = 0 [pid 5912] write(3, "1000", 4 [pid 5910] rt_sigprocmask(SIG_SETMASK, [], [pid 5914] set_robust_list(0x7f279f2219a0, 24 [pid 5913] setpgid(0, 0 [pid 5912] <... write resumed>) = 4 [pid 5914] <... set_robust_list resumed>) = 0 [pid 5912] close(3 [pid 5914] rt_sigprocmask(SIG_SETMASK, [], [pid 5912] <... close resumed>) = 0 [pid 5912] symlink("/dev/binderfs", "./binderfs" [pid 5914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5912] <... symlink resumed>) = 0 [pid 5914] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] <... setpgid resumed>) = 0 [pid 5912] write(1, "executing program\n", 18 [pid 5910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5912] <... write resumed>) = 18 [pid 5910] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 1 [pid 5914] <... futex resumed>) = 0 [pid 5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5912] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5912] <... futex resumed>) = 0 [pid 5912] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5914] memfd_create("syzkaller", 0 [pid 5913] <... openat resumed>) = 3 [pid 5912] <... mmap resumed>) = 0x7f279f201000 [pid 5913] write(3, "1000", 4 [pid 5912] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE [pid 5913] <... write resumed>) = 4 [pid 5912] <... mprotect resumed>) = 0 [pid 5913] close(3 [pid 5912] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5914] <... memfd_create resumed>) = 3 executing program [pid 5913] <... close resumed>) = 0 [pid 5912] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5913] symlink("/dev/binderfs", "./binderfs" [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=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} [pid 5913] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5915 attached [pid 5913] write(1, "executing program\n", 18 [pid 5912] <... clone3 resumed> => {parent_tid=[5915]}, 88) = 5915 [pid 5915] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5913] <... write resumed>) = 18 [pid 5915] <... rseq resumed>) = 0 [pid 5912] rt_sigprocmask(SIG_SETMASK, [], [pid 5913] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] set_robust_list(0x7f279f2219a0, 24 [pid 5912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5913] <... futex resumed>) = 0 [pid 5915] <... set_robust_list resumed>) = 0 [pid 5914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5912] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] rt_sigprocmask(SIG_SETMASK, [], [pid 5913] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, [pid 5912] <... futex resumed>) = 0 [pid 5915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5913] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5912] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5913] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5915] memfd_create("syzkaller", 0 [pid 5914] <... mmap resumed>) = 0x7f2796e00000 [pid 5913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5915] <... memfd_create resumed>) = 3 [pid 5913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5915] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5913] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5913] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} => {parent_tid=[5916]}, 88) = 5916 ./strace-static-x86_64: Process 5916 attached [pid 5916] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5913] rt_sigprocmask(SIG_SETMASK, [], [pid 5916] <... rseq resumed>) = 0 [pid 5913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5908] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5916] set_robust_list(0x7f279f2219a0, 24 [pid 5913] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... set_robust_list resumed>) = 0 [pid 5913] <... futex resumed>) = 0 [pid 5916] rt_sigprocmask(SIG_SETMASK, [], [pid 5913] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5916] memfd_create("syzkaller", 0) = 3 [pid 5916] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [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"..., 16777216 [pid 5914] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5915] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [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"..., 16777216 [pid 5908] <... write resumed>) = 16777216 [pid 5908] munmap(0x7f2796e00000, 138412032) = 0 [pid 5908] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5908] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5908] close(3) = 0 [pid 5908] close(4) = 0 [pid 5908] mkdir("./file0", 0777) = 0 [ 125.685743][ T5908] loop1: detected capacity change from 0 to 32768 [pid 5908] mount("/dev/loop1", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [ 125.742905][ T5908] [ 125.742905][ T5908] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 125.742905][ T5908] [pid 5908] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5908] chdir("./file0") = 0 [pid 5908] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5908] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5905] <... futex resumed>) = 0 [pid 5908] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5905] <... futex resumed>) = 0 [pid 5908] chdir("./file0" [pid 5905] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5908] <... chdir resumed>) = 0 [pid 5908] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5905] <... futex resumed>) = 0 [pid 5908] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5905] <... futex resumed>) = 0 [pid 5908] creat("./bus", 000 [pid 5905] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5911] <... write resumed>) = 16777216 [ 125.855714][ T5908] read_mapping_page failed! [ 125.860371][ T5908] ERROR: (device loop1): txCommit: [ 125.860371][ T5908] [pid 5911] munmap(0x7f2796e00000, 138412032 [pid 5908] <... creat resumed>) = -1 EIO (Input/output error) [pid 5905] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5905] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f1e0000 [pid 5908] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5905] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5914] <... write resumed>) = 16777216 [pid 5911] <... munmap resumed>) = 0 [pid 5908] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5911] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5905] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5911] ioctl(4, LOOP_SET_FD, 3 [pid 5905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0} => {parent_tid=[5917]}, 88) = 5917 [pid 5905] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5905] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5905] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] munmap(0x7f2796e00000, 138412032./strace-static-x86_64: Process 5917 attached [pid 5917] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053) = 0 [pid 5917] set_robust_list(0x7f279f2009a0, 24) = 0 [pid 5917] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5917] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5911] <... ioctl resumed>) = 0 [pid 5911] close(3) = 0 [pid 5917] <... openat resumed>) = -1 EIO (Input/output error) [pid 5911] close(4 [pid 5917] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] <... write resumed>) = 16777216 [pid 5911] <... close resumed>) = 0 [pid 5917] <... futex resumed>) = 1 [pid 5915] munmap(0x7f2796e00000, 138412032 [pid 5911] mkdir("./file0", 0777 [pid 5917] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] <... mkdir resumed>) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5905] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5908] <... futex resumed>) = 0 [ 125.934614][ T5911] loop3: detected capacity change from 0 to 32768 [ 125.949138][ T5917] read_mapping_page failed! [ 125.953809][ T5917] ERROR: (device loop1): txCommit: [ 125.953809][ T5917] [pid 5908] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5911] mount("/dev/loop3", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5914] <... munmap resumed>) = 0 [pid 5914] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5914] ioctl(4, LOOP_SET_FD, 3 [pid 5915] <... munmap resumed>) = 0 [pid 5908] <... openat resumed>) = -1 EIO (Input/output error) [pid 5915] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5908] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] exit_group(0) = ? [pid 5917] <... futex resumed>) = ? [pid 5915] <... openat resumed>) = 4 [pid 5908] <... futex resumed>) = ? [pid 5917] +++ exited with 0 +++ [pid 5908] +++ exited with 0 +++ [pid 5905] +++ exited with 0 +++ [ 125.998500][ T5908] read_mapping_page failed! [ 126.003081][ T5908] ERROR: (device loop1): txCommit: [ 126.003081][ T5908] [ 126.011504][ T5914] loop0: detected capacity change from 0 to 32768 [pid 5915] ioctl(4, LOOP_SET_FD, 3 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=32 /* 0.32 s */} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5838] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5838] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5914] <... ioctl resumed>) = 0 [pid 5914] close(3) = 0 [pid 5914] close(4) = 0 [pid 5914] mkdir("./file0", 0777) = 0 [pid 5914] mount("/dev/loop0", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5915] <... ioctl resumed>) = 0 [ 126.050019][ T5915] loop2: detected capacity change from 0 to 32768 [ 126.056710][ T5911] [ 126.056710][ T5911] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 126.056710][ T5911] [ 126.076584][ T5838] [ 126.076584][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 126.076584][ T5838] [pid 5915] close(3) = 0 [pid 5915] close(4) = 0 [pid 5911] <... mount resumed>) = 0 [pid 5915] mkdir("./file0", 0777 [pid 5911] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5915] <... mkdir resumed>) = 0 [pid 5911] <... openat resumed>) = 3 [pid 5911] chdir("./file0" [pid 5915] mount("/dev/loop2", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5911] <... chdir resumed>) = 0 [pid 5916] <... write resumed>) = 16777216 [pid 5916] munmap(0x7f2796e00000, 138412032 [pid 5911] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5911] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5909] <... futex resumed>) = 0 [pid 5909] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] chdir("./file0" [pid 5909] <... futex resumed>) = 0 [pid 5911] <... chdir resumed>) = 0 [pid 5909] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] <... mount resumed>) = 0 [pid 5911] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 126.105130][ T5914] [ 126.105130][ T5914] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 126.105130][ T5914] [ 126.119680][ T5838] [ 126.119680][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 126.119680][ T5838] [pid 5914] chdir("./file0") = 0 [pid 5911] <... futex resumed>) = 1 [pid 5909] <... futex resumed>) = 0 [pid 5914] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5914] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... futex resumed>) = 0 [pid 5910] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5910] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] <... futex resumed>) = 1 [pid 5914] chdir("./file0" [pid 5909] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... chdir resumed>) = 0 [pid 5911] creat("./bus", 000 [pid 5909] <... futex resumed>) = 0 [pid 5838] <... umount2 resumed>) = 0 [pid 5909] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5914] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5916] <... munmap resumed>) = 0 [pid 5914] <... futex resumed>) = 1 [pid 5910] <... futex resumed>) = 0 [pid 5914] creat("./bus", 000 [pid 5910] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] newfstatat(AT_FDCWD, "./4/file0", [pid 5910] <... futex resumed>) = 0 [pid 5910] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5916] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5838] newfstatat(4, "", [pid 5916] <... openat resumed>) = 4 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 126.162445][ T5915] [ 126.162445][ T5915] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 126.162445][ T5915] [ 126.190429][ T5911] read_mapping_page failed! [ 126.194409][ T5914] read_mapping_page failed! [ 126.206246][ T5916] loop4: detected capacity change from 0 to 32768 [pid 5916] ioctl(4, LOOP_SET_FD, 3 [pid 5838] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5838] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5838] close(4 [pid 5916] <... ioctl resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5838] rmdir("./4/file0") = 0 [pid 5838] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./4/binderfs") = 0 [pid 5916] close(3 [pid 5838] getdents64(3, [pid 5916] <... close resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5916] close(4 [pid 5838] close(3 [pid 5916] <... close resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5916] mkdir("./file0", 0777 [pid 5838] rmdir("./4" [pid 5916] <... mkdir resumed>) = 0 [pid 5915] <... mount resumed>) = 0 [pid 5909] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5838] <... rmdir resumed>) = 0 [pid 5916] mount("/dev/loop4", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5838] mkdir("./5", 0777 [pid 5915] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5909] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... mkdir resumed>) = 0 [pid 5915] <... openat resumed>) = 3 [pid 5910] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5909] <... futex resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5915] chdir("./file0" [pid 5909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5915] <... chdir resumed>) = 0 [pid 5910] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] <... mmap resumed>) = 0x7f279f1e0000 [pid 5838] <... openat resumed>) = 3 [pid 5915] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5909] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE [pid 5915] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5910] <... futex resumed>) = 0 [pid 5909] <... mprotect resumed>) = 0 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5838] <... ioctl resumed>) = 0 [pid 5910] <... mmap resumed>) = 0x7f279f1e0000 [pid 5838] close(3 [pid 5915] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE [pid 5909] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5915] <... futex resumed>) = 1 [ 126.209023][ T5911] ERROR: (device loop3): txCommit: [ 126.209023][ T5911] [ 126.235130][ T5914] ERROR: (device loop0): txCommit: [ 126.235130][ T5914] [pid 5915] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] <... futex resumed>) = 0 [pid 5910] <... mprotect resumed>) = 0 [pid 5909] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5912] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] <... futex resumed>) = 0 [pid 5912] <... futex resumed>) = 1 [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=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0}./strace-static-x86_64: Process 5918 attached [pid 5915] chdir("./file0" [pid 5912] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5910] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5918] <... rseq resumed>) = 0 [pid 5910] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5909] <... clone3 resumed> => {parent_tid=[5918]}, 88) = 5918 [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=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0} => {parent_tid=[5919]}, 88) = 5919 [pid 5918] set_robust_list(0x7f279f2009a0, 24 [pid 5909] rt_sigprocmask(SIG_SETMASK, [], [pid 5918] <... set_robust_list resumed>) = 0 [pid 5915] <... chdir resumed>) = 0 [pid 5911] <... creat resumed>) = -1 EIO (Input/output error) [pid 5910] rt_sigprocmask(SIG_SETMASK, [], [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5918] rt_sigprocmask(SIG_SETMASK, [], [pid 5911] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5909] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5911] <... futex resumed>) = 0 [pid 5909] <... futex resumed>) = 0 [pid 5910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5910] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5910] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5919 attached [pid 5919] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053) = 0 [pid 5919] set_robust_list(0x7f279f2009a0, 24) = 0 [pid 5909] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5911] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5919] rt_sigprocmask(SIG_SETMASK, [], [pid 5914] <... creat resumed>) = -1 EIO (Input/output error) [pid 5919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5914] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5919] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5914] <... futex resumed>) = 0 [pid 5912] <... futex resumed>) = 0 [pid 5915] creat("./bus", 000 [pid 5914] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... mount resumed>) = 0 [pid 5912] <... futex resumed>) = 0 [pid 5916] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5912] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5916] <... openat resumed>) = 3 [ 126.268312][ T5916] [ 126.268312][ T5916] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 126.268312][ T5916] [ 126.283299][ T5918] read_mapping_page failed! [ 126.300279][ T5918] ERROR: (device loop3): txCommit: [ 126.300279][ T5918] [ 126.306662][ T5919] read_mapping_page failed! [pid 5916] chdir("./file0") = 0 [pid 5916] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5916] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5913] <... futex resumed>) = 0 [pid 5916] chdir("./file0" [pid 5913] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5913] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5916] <... chdir resumed>) = 0 [pid 5910] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5909] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5909] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5911] <... futex resumed>) = 0 [pid 5910] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... futex resumed>) = 0 [pid 5910] <... futex resumed>) = 1 [pid 5914] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5911] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5916] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5913] <... futex resumed>) = 0 [pid 5916] creat("./bus", 000 [pid 5913] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 126.317354][ T5915] read_mapping_page failed! [ 126.322023][ T5915] ERROR: (device loop2): txCommit: [ 126.322023][ T5915] [ 126.332238][ T5919] ERROR: (device loop0): txCommit: [ 126.332238][ T5919] [pid 5913] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] <... openat resumed>) = -1 EIO (Input/output error) [pid 5912] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5919] <... openat resumed>) = -1 EIO (Input/output error) [pid 5918] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... futex resumed>) = 0 [pid 5912] <... futex resumed>) = 0 [pid 5919] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5919] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] <... creat resumed>) = -1 EIO (Input/output error) [pid 5912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5915] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... mmap resumed>) = 0x7f279f1e0000 [pid 5915] <... futex resumed>) = 0 [pid 5915] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5912] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE [pid 5913] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5912] <... mprotect resumed>) = 0 [pid 5913] <... mmap resumed>) = 0x7f279f1e0000 [pid 5912] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5911] <... openat resumed>) = -1 EIO (Input/output error) [pid 5912] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5911] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [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=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0} [pid 5911] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5920 attached [pid 5913] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE [pid 5911] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5920] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5913] <... mprotect resumed>) = 0 [pid 5912] <... clone3 resumed> => {parent_tid=[5920]}, 88) = 5920 [pid 5909] exit_group(0 [pid 5913] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0} [pid 5918] <... futex resumed>) = ? [pid 5912] rt_sigprocmask(SIG_SETMASK, [], [pid 5911] <... futex resumed>) = ? [pid 5920] <... rseq resumed>) = 0 [pid 5909] <... exit_group resumed>) = ? [pid 5918] +++ exited with 0 +++ [pid 5912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5911] +++ exited with 0 +++ [pid 5913] <... clone3 resumed> => {parent_tid=[5921]}, 88) = 5921 [pid 5913] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5916] <... creat resumed>) = -1 EIO (Input/output error) [pid 5913] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] set_robust_list(0x7f279f2009a0, 24 [pid 5916] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... futex resumed>) = 0 [pid 5912] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] +++ exited with 0 +++ [pid 5920] <... set_robust_list resumed>) = 0 [pid 5916] <... futex resumed>) = 0 [pid 5913] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5912] <... futex resumed>) = 0 [ 126.365988][ T5916] read_mapping_page failed! [ 126.370572][ T5916] ERROR: (device loop4): txCommit: [ 126.370572][ T5916] [ 126.375630][ T5911] read_mapping_page failed! [ 126.383177][ T5914] read_mapping_page failed! [ 126.385433][ T5911] ERROR: (device loop3): txCommit: [ 126.385433][ T5911] [ 126.397307][ T5914] ERROR: (device loop0): txCommit: [ 126.397307][ T5914] [pid 5920] rt_sigprocmask(SIG_SETMASK, [], [pid 5916] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5909, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=30 /* 0.30 s */} --- ./strace-static-x86_64: Process 5921 attached [pid 5920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5914] <... openat resumed>) = -1 EIO (Input/output error) [pid 5840] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5914] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5914] <... futex resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5914] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5840] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5910] exit_group(0 [pid 5840] newfstatat(3, "", [pid 5919] <... futex resumed>) = ? [pid 5914] <... futex resumed>) = ? [pid 5910] <... exit_group resumed>) = ? [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5919] +++ exited with 0 +++ [pid 5914] +++ exited with 0 +++ [pid 5921] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5920] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5840] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5840] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5910] +++ exited with 0 +++ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5910, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=28 /* 0.28 s */} --- [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5921] <... rseq resumed>) = 0 [pid 5921] set_robust_list(0x7f279f2009a0, 24) = 0 [pid 5837] <... restart_syscall resumed>) = 0 [pid 5837] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5921] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] <... openat resumed>) = 3 [pid 5921] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] newfstatat(3, "", [pid 5921] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5913] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 126.469150][ T5920] read_mapping_page failed! [ 126.473775][ T5920] ERROR: (device loop2): txCommit: [ 126.473775][ T5920] [ 126.490901][ T5921] read_mapping_page failed! [ 126.499880][ T5921] ERROR: (device loop4): txCommit: [ 126.499880][ T5921] [ 126.505485][ T5840] [ 126.505485][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 126.505485][ T5840] [pid 5837] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5920] <... openat resumed>) = -1 EIO (Input/output error) [pid 5913] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5912] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5915] <... futex resumed>) = 0 [pid 5915] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5916] <... futex resumed>) = 0 [pid 5913] <... futex resumed>) = 1 [pid 5916] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5920] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5921] <... openat resumed>) = -1 EIO (Input/output error) [pid 5920] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [ 126.520030][ T5915] read_mapping_page failed! [ 126.524590][ T5915] ERROR: (device loop2): txCommit: [ 126.524590][ T5915] [ 126.538927][ T5837] [ 126.538927][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 126.538927][ T5837] [ 126.551957][ T5840] [ 126.551957][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 126.551957][ T5840] [ 126.565988][ T5837] [pid 5921] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5915] <... openat resumed>) = -1 EIO (Input/output error) [pid 5837] <... umount2 resumed>) = 0 [pid 5915] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5915] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5921] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5912] exit_group(0 [pid 5920] <... futex resumed>) = ? [pid 5915] <... futex resumed>) = ? [pid 5912] <... exit_group resumed>) = ? [pid 5920] +++ exited with 0 +++ [pid 5915] +++ exited with 0 +++ [pid 5912] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=26 /* 0.26 s */} --- [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5837] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5837] newfstatat(4, "", [pid 5916] <... openat resumed>) = -1 EIO (Input/output error) [pid 5839] <... restart_syscall resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, [pid 5839] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] getdents64(4, [pid 5839] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... getdents64 resumed>0x555566453770 /* 0 entries */, 32768) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5837] close(4 [pid 5839] newfstatat(3, "", [pid 5837] <... close resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] rmdir("./4/file0" [pid 5839] getdents64(3, [pid 5837] <... rmdir resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5837] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 126.565988][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 126.565988][ T5837] [ 126.566481][ T5916] read_mapping_page failed! [ 126.605998][ T5916] ERROR: (device loop4): txCommit: [ 126.605998][ T5916] [pid 5837] unlink("./4/binderfs") = 0 [pid 5837] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5837] close(3) = 0 [pid 5837] rmdir("./4") = 0 [pid 5837] mkdir("./5", 0777) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [pid 5837] close(3) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5922 attached [pid 5916] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... umount2 resumed>) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x55556644a690) = 5922 [pid 5916] <... futex resumed>) = 0 [pid 5913] exit_group(0 [pid 5840] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5922] set_robust_list(0x55556644a6a0, 24 [pid 5921] <... futex resumed>) = ? [pid 5913] <... exit_group resumed>) = ? [pid 5922] <... set_robust_list resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5922] chdir("./5" [pid 5916] +++ exited with 0 +++ [pid 5922] <... chdir resumed>) = 0 [pid 5922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5922] setpgid(0, 0) = 0 [pid 5921] +++ exited with 0 +++ [pid 5913] +++ exited with 0 +++ [pid 5840] newfstatat(AT_FDCWD, "./4/file0", [pid 5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5913, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=29 /* 0.29 s */} --- [pid 5922] <... openat resumed>) = 3 [pid 5841] restart_syscall(<... resuming interrupted clone ...> [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 126.624963][ T5839] [ 126.624963][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 126.624963][ T5839] [pid 5922] write(3, "1000", 4) = 4 [pid 5840] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... restart_syscall resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5922] close(3) = 0 [pid 5841] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5922] symlink("/dev/binderfs", "./binderfs" [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5922] <... symlink resumed>) = 0 executing program [pid 5841] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5922] write(1, "executing program\n", 18 [pid 5841] <... openat resumed>) = 3 [pid 5922] <... write resumed>) = 18 [pid 5841] newfstatat(3, "", [pid 5840] <... openat resumed>) = 4 [pid 5922] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] newfstatat(4, "", [pid 5841] getdents64(3, [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5841] <... getdents64 resumed>0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5840] getdents64(4, [pid 5841] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5922] <... futex resumed>) = 0 [pid 5922] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5840] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5922] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE [pid 5840] getdents64(4, [pid 5922] <... mprotect resumed>) = 0 [pid 5840] <... getdents64 resumed>0x555566453770 /* 0 entries */, 32768) = 0 [pid 5922] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] close(4 [pid 5922] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} => {parent_tid=[5923]}, 88) = 5923 [pid 5922] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5922] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5922] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5840] <... close resumed>) = 0 [pid 5840] rmdir("./4/file0") = 0 [pid 5840] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5923 attached ) = -1 EINVAL (Invalid argument) [pid 5923] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053) = 0 [pid 5840] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5838] <... close resumed>) = 0 [pid 5923] set_robust_list(0x7f279f2219a0, 24 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] unlink("./4/binderfs" [pid 5923] <... set_robust_list resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5923] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] getdents64(3, [pid 5923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5839] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./4/file0", [pid 5923] memfd_create("syzkaller", 0 [pid 5841] <... umount2 resumed>) = 0 [pid 5840] close(3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5923] <... memfd_create resumed>) = 3 [pid 5840] <... close resumed>) = 0 [ 126.671194][ T5839] [ 126.671194][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 126.671194][ T5839] [ 126.694741][ T5841] [ 126.694741][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 126.694741][ T5841] [ 126.710401][ T5841] [ 126.710401][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 126.710401][ T5841] [pid 5923] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5839] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5924 attached [pid 5923] <... mmap resumed>) = 0x7f2796e00000 [pid 5841] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] rmdir("./4" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... clone resumed>, child_tidptr=0x55556644a690) = 5924 [pid 5841] newfstatat(AT_FDCWD, "./4/file0", [pid 5924] set_robust_list(0x55556644a6a0, 24 [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... openat resumed>) = 4 [pid 5924] <... set_robust_list resumed>) = 0 [pid 5924] chdir("./5") = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5841] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5839] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(4, [pid 5840] mkdir("./5", 0777 [pid 5839] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... mkdir resumed>) = 0 [pid 5839] getdents64(4, [pid 5841] newfstatat(4, "", [pid 5839] <... getdents64 resumed>0x555566453770 /* 0 entries */, 32768) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] close(4 [pid 5841] getdents64(4, [pid 5839] <... close resumed>) = 0 [pid 5841] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5839] rmdir("./4/file0" [pid 5841] getdents64(4, [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5839] <... rmdir resumed>) = 0 [pid 5924] <... prctl resumed>) = 0 [pid 5841] <... getdents64 resumed>0x555566453770 /* 0 entries */, 32768) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5839] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5924] setpgid(0, 0 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5924] <... setpgid resumed>) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5841] close(4 [pid 5840] close(3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5924] <... openat resumed>) = 3 [pid 5841] <... close resumed>) = 0 [pid 5839] unlink("./4/binderfs" [pid 5841] rmdir("./4/file0") = 0 [pid 5841] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... unlink resumed>) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] getdents64(3, [pid 5841] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5839] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] close(3 [pid 5841] unlink("./4/binderfs" [pid 5839] <... close resumed>) = 0 [pid 5841] <... unlink resumed>) = 0 [pid 5839] rmdir("./4" [pid 5841] getdents64(3, [pid 5839] <... rmdir resumed>) = 0 [pid 5841] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5839] mkdir("./5", 0777 [pid 5841] close(3 [pid 5839] <... mkdir resumed>) = 0 [pid 5924] write(3, "1000", 4 [pid 5841] <... close resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5841] rmdir("./4" [pid 5839] <... ioctl resumed>) = 0 [pid 5924] <... write resumed>) = 4 [pid 5841] <... rmdir resumed>) = 0 [pid 5839] close(3 [pid 5924] close(3) = 0 [pid 5841] mkdir("./5", 0777 [pid 5924] symlink("/dev/binderfs", "./binderfs" [pid 5841] <... mkdir resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5841] ioctl(3, LOOP_CLR_FD) = 0 [pid 5841] close(3 [pid 5924] <... symlink resumed>) = 0 executing program [pid 5924] write(1, "executing program\n", 18) = 18 [pid 5924] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5924] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, 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) = 0x7f279f201000 [pid 5924] mprotect(0x7f279f202000, 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=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0}./strace-static-x86_64: Process 5925 attached [pid 5925] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053) = 0 [pid 5924] <... clone3 resumed> => {parent_tid=[5925]}, 88) = 5925 [pid 5925] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5924] rt_sigprocmask(SIG_SETMASK, [], [pid 5925] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5925] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5924] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5925] <... futex resumed>) = 0 [pid 5925] memfd_create("syzkaller", 0) = 3 [pid 5924] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5925] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5923] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [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"..., 16777216 [pid 5840] <... close resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556644a690) = 5926 ./strace-static-x86_64: Process 5926 attached [pid 5926] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5926] chdir("./5" [pid 5839] <... close resumed>) = 0 [pid 5926] <... chdir resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5926] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5927 attached [pid 5926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5926] write(3, "1000", 4) = 4 [pid 5926] close(3) = 0 [pid 5926] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5926] write(1, "executing program\n", 18) = 18 [pid 5926] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5927] set_robust_list(0x55556644a6a0, 24 [pid 5926] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5926] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5926] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5926] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5926] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5927] <... set_robust_list resumed>) = 0 [pid 5926] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5841] <... close resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x55556644a690) = 5927 [pid 5927] chdir("./5" [pid 5926] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5927] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5928 attached [pid 5926] <... clone3 resumed> => {parent_tid=[5928]}, 88) = 5928 [pid 5926] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5929 attached [pid 5927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] set_robust_list(0x55556644a6a0, 24 [pid 5927] <... prctl resumed>) = 0 [pid 5926] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... clone resumed>, child_tidptr=0x55556644a690) = 5929 [pid 5929] <... set_robust_list resumed>) = 0 [pid 5927] setpgid(0, 0 [pid 5926] <... futex resumed>) = 0 [pid 5928] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5927] <... setpgid resumed>) = 0 [pid 5926] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5929] chdir("./5" [pid 5928] <... rseq resumed>) = 0 [pid 5927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5928] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5928] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5928] memfd_create("syzkaller", 0) = 3 [pid 5929] <... chdir resumed>) = 0 [pid 5928] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5927] <... openat resumed>) = 3 [pid 5929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5927] write(3, "1000", 4 [pid 5929] <... prctl resumed>) = 0 [pid 5927] <... write resumed>) = 4 [pid 5929] setpgid(0, 0) = 0 [pid 5928] <... mmap resumed>) = 0x7f2796e00000 [pid 5927] close(3 [pid 5929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5927] <... close resumed>) = 0 [pid 5927] symlink("/dev/binderfs", "./binderfs" [pid 5929] <... openat resumed>) = 3 [pid 5929] write(3, "1000", 4) = 4 [pid 5927] <... symlink resumed>) = 0 [pid 5929] close(3 [pid 5927] write(1, "executing program\n", 18 [pid 5929] <... close resumed>) = 0 [pid 5929] symlink("/dev/binderfs", "./binderfs"executing program executing program ) = 0 [pid 5927] <... write resumed>) = 18 [pid 5929] write(1, "executing program\n", 18) = 18 [pid 5927] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... futex resumed>) = 0 [pid 5929] <... futex resumed>) = 0 [pid 5927] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, [pid 5929] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, [pid 5927] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5927] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5929] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5927] <... mmap resumed>) = 0x7f279f201000 [pid 5929] <... mmap resumed>) = 0x7f279f201000 [pid 5927] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE [pid 5929] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5927] <... mprotect resumed>) = 0 [pid 5929] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5927] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5929] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5927] <... rt_sigprocmask resumed>[], 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=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} [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=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0}./strace-static-x86_64: Process 5930 attached ./strace-static-x86_64: Process 5931 attached [pid 5930] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5929] <... clone3 resumed> => {parent_tid=[5930]}, 88) = 5930 [pid 5931] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5930] <... rseq resumed>) = 0 [pid 5929] rt_sigprocmask(SIG_SETMASK, [], [pid 5927] <... clone3 resumed> => {parent_tid=[5931]}, 88) = 5931 [pid 5931] <... rseq resumed>) = 0 [pid 5930] set_robust_list(0x7f279f2219a0, 24 [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5927] rt_sigprocmask(SIG_SETMASK, [], [pid 5931] set_robust_list(0x7f279f2219a0, 24 [pid 5930] <... set_robust_list resumed>) = 0 [pid 5929] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... set_robust_list resumed>) = 0 [pid 5930] rt_sigprocmask(SIG_SETMASK, [], [pid 5931] rt_sigprocmask(SIG_SETMASK, [], [pid 5930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5930] memfd_create("syzkaller", 0 [pid 5929] <... futex resumed>) = 0 [pid 5927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5931] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5930] <... memfd_create resumed>) = 3 [pid 5929] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5927] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5931] <... futex resumed>) = 0 [pid 5927] <... futex resumed>) = 1 [pid 5931] memfd_create("syzkaller", 0 [pid 5930] <... mmap resumed>) = 0x7f2796e00000 [pid 5927] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5931] <... memfd_create resumed>) = 3 [pid 5931] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5923] <... write resumed>) = 16777216 [pid 5923] munmap(0x7f2796e00000, 138412032) = 0 [pid 5923] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5923] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5923] close(3) = 0 [pid 5923] close(4) = 0 [pid 5923] mkdir("./file0", 0777) = 0 [ 127.497519][ T5923] loop0: detected capacity change from 0 to 32768 [pid 5923] mount("/dev/loop0", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 5923] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5923] chdir("./file0") = 0 [pid 5923] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5923] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... futex resumed>) = 0 [pid 5922] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5922] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] <... futex resumed>) = 1 [pid 5923] chdir("./file0") = 0 [ 127.580438][ T5923] [ 127.580438][ T5923] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 127.580438][ T5923] [pid 5923] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5923] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] <... futex resumed>) = 0 [pid 5922] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... futex resumed>) = 0 [pid 5922] <... futex resumed>) = 1 [pid 5923] creat("./bus", 000 [pid 5922] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5925] <... write resumed>) = 16777216 [pid 5922] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5922] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f1e0000 [pid 5922] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5922] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0} => {parent_tid=[5932]}, 88) = 5932 [pid 5922] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5922] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5922] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5932 attached [pid 5925] munmap(0x7f2796e00000, 138412032 [pid 5932] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053) = 0 [pid 5932] set_robust_list(0x7f279f2009a0, 24) = 0 [pid 5932] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 127.648530][ T5923] read_mapping_page failed! [ 127.653094][ T5923] ERROR: (device loop0): txCommit: [ 127.653094][ T5923] [pid 5932] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5923] <... creat resumed>) = -1 EIO (Input/output error) [pid 5930] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [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"..., 16777216 [pid 5923] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5923] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5925] <... munmap resumed>) = 0 [pid 5932] <... openat resumed>) = -1 EIO (Input/output error) [pid 5925] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 127.697917][ T5932] read_mapping_page failed! [ 127.715427][ T5932] ERROR: (device loop0): txCommit: [ 127.715427][ T5932] [pid 5925] ioctl(4, LOOP_SET_FD, 3 [pid 5922] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5922] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... futex resumed>) = 0 [pid 5922] <... futex resumed>) = 1 [pid 5923] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5932] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5932] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5925] <... ioctl resumed>) = 0 [pid 5925] close(3) = 0 [pid 5925] close(4) = 0 [pid 5925] mkdir("./file0", 0777) = 0 [pid 5925] mount("/dev/loop1", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5923] <... openat resumed>) = -1 EIO (Input/output error) [pid 5923] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5923] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] exit_group(0 [pid 5932] <... futex resumed>) = ? [pid 5922] <... exit_group resumed>) = ? [pid 5932] +++ exited with 0 +++ [pid 5923] <... futex resumed>) = ? [pid 5923] +++ exited with 0 +++ [pid 5922] +++ exited with 0 +++ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=26 /* 0.26 s */} --- [ 127.741303][ T5925] loop1: detected capacity change from 0 to 32768 [ 127.750464][ T5923] read_mapping_page failed! [ 127.755819][ T5923] ERROR: (device loop0): txCommit: [ 127.755819][ T5923] [pid 5837] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5837] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5837] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5931] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5925] <... mount resumed>) = 0 [pid 5925] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5925] chdir("./file0") = 0 [pid 5925] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5925] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5925] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] <... futex resumed>) = 0 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5924] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] chdir("./file0" [pid 5924] <... futex resumed>) = 0 [pid 5924] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5925] <... chdir resumed>) = 0 [pid 5925] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5924] <... futex resumed>) = 0 [pid 5925] creat("./bus", 000 [pid 5924] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 127.803529][ T5925] [ 127.803529][ T5925] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 127.803529][ T5925] [ 127.816205][ T5837] [ 127.816205][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 127.816205][ T5837] [ 127.837944][ T5837] [ 127.837944][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 127.837944][ T5837] [pid 5924] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] <... umount2 resumed>) = 0 [pid 5837] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5837] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5837] close(4) = 0 [pid 5837] rmdir("./5/file0") = 0 [pid 5837] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./5/binderfs") = 0 [pid 5837] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5837] close(3) = 0 [pid 5837] rmdir("./5") = 0 [pid 5837] mkdir("./6", 0777) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [pid 5837] close(3 [pid 5925] <... creat resumed>) = -1 EIO (Input/output error) [pid 5925] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5925] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] <... futex resumed>) = 0 [pid 5924] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... futex resumed>) = 0 [pid 5924] <... futex resumed>) = 1 [ 127.871765][ T5925] read_mapping_page failed! [ 127.885615][ T5925] ERROR: (device loop1): txCommit: [ 127.885615][ T5925] [pid 5925] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [ 127.929909][ T5925] read_mapping_page failed! [pid 5924] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5925] <... openat resumed>) = -1 EIO (Input/output error) [pid 5925] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5925] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 127.964913][ T5925] ERROR: (device loop1): txCommit: [ 127.964913][ T5925] [pid 5925] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EIO (Input/output error) [pid 5925] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5925] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] exit_group(0 [pid 5925] <... futex resumed>) = ? [pid 5924] <... exit_group resumed>) = ? [pid 5925] +++ exited with 0 +++ [pid 5924] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5924, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=34 /* 0.34 s */} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5838] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [ 128.005956][ T5925] read_mapping_page failed! [ 128.011704][ T5925] ERROR: (device loop1): txCommit: [ 128.011704][ T5925] [pid 5838] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5838] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 128.076448][ T5838] [ 128.076448][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 128.076448][ T5838] [ 128.096086][ T5838] [ 128.096086][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 128.096086][ T5838] [pid 5838] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5838] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5838] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5838] close(4) = 0 [pid 5838] rmdir("./5/file0") = 0 [pid 5838] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./5/binderfs") = 0 [pid 5838] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5838] close(3) = 0 [pid 5838] rmdir("./5") = 0 [pid 5838] mkdir("./6", 0777) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5838] ioctl(3, LOOP_CLR_FD) = 0 [pid 5838] close(3 [pid 5930] <... write resumed>) = 16777216 [pid 5930] munmap(0x7f2796e00000, 138412032 [pid 5928] <... write resumed>) = 16777216 [pid 5928] munmap(0x7f2796e00000, 138412032 [pid 5930] <... munmap resumed>) = 0 [pid 5930] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5930] ioctl(4, LOOP_SET_FD, 3 [pid 5837] <... close resumed>) = 0 [pid 5930] <... ioctl resumed>) = 0 [pid 5930] close(3) = 0 [pid 5930] close(4) = 0 [pid 5928] <... munmap resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5930] mkdir("./file0", 0777 [pid 5928] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5930] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5933 attached [pid 5928] <... openat resumed>) = 4 [pid 5837] <... clone resumed>, child_tidptr=0x55556644a690) = 5933 [ 128.258413][ T5930] loop4: detected capacity change from 0 to 32768 [pid 5928] ioctl(4, LOOP_SET_FD, 3 [pid 5933] set_robust_list(0x55556644a6a0, 24 [pid 5930] mount("/dev/loop4", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5933] <... set_robust_list resumed>) = 0 [pid 5933] chdir("./6") = 0 [pid 5933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5933] setpgid(0, 0) = 0 [pid 5933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5933] write(3, "1000", 4) = 4 [pid 5933] close(3) = 0 [pid 5933] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5933] write(1, "executing program\n", 18) = 18 [pid 5933] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5933] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5933] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5933] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE [pid 5928] <... ioctl resumed>) = 0 [pid 5933] <... mprotect resumed>) = 0 [pid 5928] close(3 [pid 5933] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5928] <... close resumed>) = 0 [pid 5933] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0}./strace-static-x86_64: Process 5934 attached [pid 5928] close(4 [pid 5933] <... clone3 resumed> => {parent_tid=[5934]}, 88) = 5934 [pid 5933] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5933] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5933] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5928] <... close resumed>) = 0 [pid 5934] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5928] mkdir("./file0", 0777 [pid 5934] <... rseq resumed>) = 0 [pid 5928] <... mkdir resumed>) = 0 [pid 5928] mount("/dev/loop3", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5934] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5934] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5934] memfd_create("syzkaller", 0) = 3 [pid 5934] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [ 128.306929][ T5928] loop3: detected capacity change from 0 to 32768 [ 128.342252][ T5928] [ 128.342252][ T5928] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 128.342252][ T5928] [pid 5928] <... mount resumed>) = 0 [pid 5928] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5930] <... mount resumed>) = 0 [pid 5928] <... openat resumed>) = 3 [pid 5930] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5928] chdir("./file0" [pid 5930] <... openat resumed>) = 3 [pid 5928] <... chdir resumed>) = 0 [pid 5930] chdir("./file0" [pid 5928] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5930] <... chdir resumed>) = 0 [pid 5930] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5930] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5929] <... futex resumed>) = 0 [pid 5928] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5929] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5929] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] <... write resumed>) = 16777216 [pid 5930] chdir("./file0" [pid 5928] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] munmap(0x7f2796e00000, 138412032 [pid 5928] <... futex resumed>) = 1 [pid 5930] <... chdir resumed>) = 0 [pid 5928] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 128.366212][ T5930] [ 128.366212][ T5930] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 128.366212][ T5930] [pid 5930] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5929] <... futex resumed>) = 0 [pid 5929] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5929] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] creat("./bus", 000 [pid 5926] <... futex resumed>) = 0 [pid 5926] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] <... futex resumed>) = 0 [pid 5926] <... futex resumed>) = 1 [pid 5928] chdir("./file0" [pid 5926] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5928] <... chdir resumed>) = 0 [pid 5928] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... munmap resumed>) = 0 [pid 5930] <... creat resumed>) = -1 EIO (Input/output error) [pid 5929] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5928] <... futex resumed>) = 1 [pid 5926] <... futex resumed>) = 0 [pid 5929] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f1e0000 [pid 5929] mprotect(0x7f279f1e1000, 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=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0} => {parent_tid=[5935]}, 88) = 5935 [pid 5929] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5929] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 128.428606][ T5930] read_mapping_page failed! [ 128.433167][ T5930] ERROR: (device loop4): txCommit: [ 128.433167][ T5930] [pid 5929] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5935 attached [pid 5931] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5930] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... openat resumed>) = 4 [pid 5930] <... futex resumed>) = 0 [pid 5931] ioctl(4, LOOP_SET_FD, 3 [pid 5930] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5928] creat("./bus", 000 [pid 5926] <... futex resumed>) = 0 [pid 5935] <... rseq resumed>) = 0 [pid 5935] set_robust_list(0x7f279f2009a0, 24) = 0 [pid 5926] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5935] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5931] <... ioctl resumed>) = 0 [pid 5931] close(3) = 0 [pid 5931] close(4) = 0 [pid 5931] mkdir("./file0", 0777) = 0 [pid 5931] mount("/dev/loop2", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5929] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5929] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5929] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... futex resumed>) = 0 [pid 5929] <... futex resumed>) = 1 [ 128.486410][ T5931] loop2: detected capacity change from 0 to 32768 [ 128.494636][ T5928] read_mapping_page failed! [ 128.495677][ T5935] read_mapping_page failed! [ 128.503729][ T5935] ERROR: (device loop4): txCommit: [ 128.503729][ T5935] [ 128.509839][ T5928] ERROR: (device loop3): txCommit: [ 128.509839][ T5928] [pid 5930] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5928] <... creat resumed>) = -1 EIO (Input/output error) [pid 5926] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5928] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5926] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5926] <... futex resumed>) = 0 [pid 5926] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] <... openat resumed>) = -1 EIO (Input/output error) [pid 5935] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5935] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] <... openat resumed>) = -1 EIO (Input/output error) [pid 5838] <... close resumed>) = 0 [pid 5928] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5926] <... futex resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5926] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5936 attached [pid 5931] <... mount resumed>) = 0 [pid 5928] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5926] <... futex resumed>) = 0 [pid 5931] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5838] <... clone resumed>, child_tidptr=0x55556644a690) = 5936 [pid 5931] chdir("./file0" [pid 5936] set_robust_list(0x55556644a6a0, 24 [pid 5931] <... chdir resumed>) = 0 [pid 5936] <... set_robust_list resumed>) = 0 [ 128.547892][ T5931] [ 128.547892][ T5931] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 128.547892][ T5931] [ 128.562808][ T5928] read_mapping_page failed! [ 128.585697][ T5928] ERROR: (device loop3): txCommit: [ 128.585697][ T5928] [ 128.588084][ T5930] read_mapping_page failed! [pid 5931] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5936] chdir("./6" [pid 5931] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5931] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5931] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] <... futex resumed>) = 0 [pid 5927] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... futex resumed>) = 0 [pid 5927] <... futex resumed>) = 1 [pid 5931] chdir("./file0" [pid 5936] <... chdir resumed>) = 0 [pid 5931] <... chdir resumed>) = 0 [pid 5927] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5931] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... prctl resumed>) = 0 [pid 5927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5931] <... futex resumed>) = 0 [pid 5931] creat("./bus", 000 [pid 5927] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5936] setpgid(0, 0 [pid 5927] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] <... setpgid resumed>) = 0 [pid 5936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5936] write(3, "1000", 4) = 4 [pid 5930] <... openat resumed>) = -1 EIO (Input/output error) [pid 5936] close(3) = 0 [pid 5936] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5931] <... creat resumed>) = -1 EIO (Input/output error) [pid 5930] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... futex resumed>) = 0 executing program [pid 5931] <... futex resumed>) = 1 [pid 5930] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] exit_group(0 [pid 5927] <... futex resumed>) = 0 [pid 5936] write(1, "executing program\n", 18 [pid 5928] <... openat resumed>) = -1 EIO (Input/output error) [pid 5935] <... futex resumed>) = ? [pid 5929] <... exit_group resumed>) = ? [pid 5927] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... write resumed>) = 18 [pid 5935] +++ exited with 0 +++ [pid 5928] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... futex resumed>) = ? [pid 5928] <... futex resumed>) = 0 [pid 5927] <... futex resumed>) = 0 [ 128.614862][ T5928] read_mapping_page failed! [ 128.626923][ T5931] read_mapping_page failed! [ 128.634127][ T5930] ERROR: (device loop4): txCommit: [ 128.634127][ T5930] [ 128.634758][ T5928] ERROR: (device loop3): txCommit: [ 128.634758][ T5928] [ 128.649275][ T5931] ERROR: (device loop2): txCommit: [ 128.649275][ T5931] [pid 5936] <... futex resumed>) = 0 [pid 5928] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, [pid 5926] exit_group(0 [pid 5936] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5928] <... futex resumed>) = ? [pid 5926] <... exit_group resumed>) = ? [pid 5928] +++ exited with 0 +++ [pid 5931] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5930] +++ exited with 0 +++ [pid 5929] +++ exited with 0 +++ [pid 5936] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5926] +++ exited with 0 +++ [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5929, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=29 /* 0.29 s */} --- [pid 5841] restart_syscall(<... resuming interrupted clone ...> [pid 5936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5926, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=34 /* 0.34 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5936] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5841] <... restart_syscall resumed>) = 0 [pid 5936] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5841] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5936] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5841] getdents64(3, [pid 5936] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5936] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} [pid 5841] <... getdents64 resumed>0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5841] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5936] <... clone3 resumed> => {parent_tid=[5937]}, 88) = 5937 [pid 5840] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5937 attached [pid 5936] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] <... openat resumed>) = 3 [pid 5936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [ 128.693251][ T5931] read_mapping_page failed! [pid 5840] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5937] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5936] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... rseq resumed>) = 0 [pid 5936] <... futex resumed>) = 0 [pid 5927] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5937] set_robust_list(0x7f279f2219a0, 24 [pid 5936] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5937] <... set_robust_list resumed>) = 0 [pid 5927] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5937] rt_sigprocmask(SIG_SETMASK, [], [pid 5927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f1e0000 [pid 5927] mprotect(0x7f279f1e1000, 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=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0} => {parent_tid=[5938]}, 88) = 5938 [pid 5927] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5927] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5938 attached [pid 5931] <... openat resumed>) = -1 EIO (Input/output error) [pid 5938] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053) = 0 [pid 5931] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] set_robust_list(0x7f279f2009a0, 24 [pid 5931] <... futex resumed>) = 0 [pid 5938] <... set_robust_list resumed>) = 0 [pid 5931] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5938] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5938] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5937] memfd_create("syzkaller", 0) = 3 [ 128.716787][ T5931] ERROR: (device loop2): txCommit: [ 128.716787][ T5931] [ 128.741792][ T5841] [ 128.741792][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 128.741792][ T5841] [ 128.754815][ T5840] [ 128.754815][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 128.754815][ T5840] [pid 5937] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5938] <... openat resumed>) = -1 EIO (Input/output error) [pid 5938] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] exit_group(0) = ? [pid 5931] <... futex resumed>) = ? [pid 5931] +++ exited with 0 +++ [pid 5938] <... futex resumed>) = ? [pid 5938] +++ exited with 0 +++ [pid 5927] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5927, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=31 /* 0.31 s */} --- [pid 5839] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5839] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [ 128.766764][ T5938] read_mapping_page failed! [ 128.771337][ T5938] ERROR: (device loop2): txCommit: [ 128.771337][ T5938] [ 128.789753][ T5841] [ 128.789753][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 128.789753][ T5841] [ 128.801387][ T5840] [ 128.801387][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 128.801387][ T5840] [pid 5839] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... umount2 resumed>) = 0 [pid 5841] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5841] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(4, [pid 5840] <... umount2 resumed>) = 0 [pid 5840] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5841] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] close(4 [pid 5840] newfstatat(AT_FDCWD, "./5/file0", [pid 5841] <... close resumed>) = 0 [pid 5841] rmdir("./5/file0" [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5841] <... rmdir resumed>) = 0 [ 128.845884][ T5839] [ 128.845884][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 128.845884][ T5839] [pid 5841] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... openat resumed>) = 4 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(4, "", [pid 5841] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] getdents64(4, [pid 5841] unlink("./5/binderfs" [pid 5840] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5841] <... unlink resumed>) = 0 [pid 5841] getdents64(3, [pid 5840] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5840] close(4 [pid 5841] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5840] <... close resumed>) = 0 [pid 5841] close(3 [pid 5840] rmdir("./5/file0" [pid 5841] <... close resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5840] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] rmdir("./5" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5841] <... rmdir resumed>) = 0 [pid 5841] mkdir("./6", 0777 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./5/binderfs") = 0 [pid 5840] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5841] <... mkdir resumed>) = 0 [pid 5840] rmdir("./5" [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5840] <... rmdir resumed>) = 0 [pid 5841] ioctl(3, LOOP_CLR_FD) = 0 [pid 5840] mkdir("./6", 0777 [pid 5841] close(3 [pid 5840] <... mkdir resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5840] ioctl(3, LOOP_CLR_FD) = 0 [pid 5840] close(3 [ 128.895935][ T5839] [ 128.895935][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 128.895935][ T5839] [pid 5934] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5839] <... umount2 resumed>) = 0 [pid 5839] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5839] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5839] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5839] close(4) = 0 [pid 5839] rmdir("./5/file0") = 0 [pid 5839] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./5/binderfs") = 0 [pid 5839] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5839] close(3) = 0 [pid 5839] rmdir("./5") = 0 [pid 5839] mkdir("./6", 0777) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5839] ioctl(3, LOOP_CLR_FD) = 0 [pid 5839] close(3) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556644a690) = 5939 ./strace-static-x86_64: Process 5939 attached [pid 5939] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5939] chdir("./6") = 0 [pid 5939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5939] setpgid(0, 0) = 0 [pid 5939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5939] write(3, "1000", 4) = 4 [pid 5939] close(3) = 0 [pid 5939] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5939] write(1, "executing program\n", 18) = 18 [pid 5939] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5939] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5939] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5939] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5939] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} => {parent_tid=[5940]}, 88) = 5940 [pid 5939] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5939] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5939] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5940 attached [pid 5940] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053) = 0 [pid 5940] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5940] memfd_create("syzkaller", 0) = 3 [pid 5940] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5937] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5841] <... close resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5941 attached [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... clone resumed>, child_tidptr=0x55556644a690) = 5941 [pid 5941] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5941] chdir("./6") = 0 [pid 5941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5941] setpgid(0, 0) = 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"./strace-static-x86_64: Process 5942 attached [pid 5942] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5942] chdir("./6") = 0 [pid 5942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5942] setpgid(0, 0 [pid 5841] <... clone resumed>, child_tidptr=0x55556644a690) = 5942 [pid 5942] <... setpgid resumed>) = 0 [pid 5942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5941] <... symlink resumed>) = 0 [pid 5942] write(3, "1000", 4) = 4 [pid 5941] write(1, "executing program\n", 18) = 18 [pid 5941] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] close(3 [pid 5941] <... futex resumed>) = 0 [pid 5942] <... close resumed>) = 0 [pid 5941] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, [pid 5942] symlink("/dev/binderfs", "./binderfs" [pid 5941] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5942] <... symlink resumed>) = 0 [pid 5941] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 5942] write(1, "executing program\n", 18 [pid 5941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5942] <... write resumed>) = 18 [pid 5941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5942] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... mmap resumed>) = 0x7f279f201000 [pid 5942] <... futex resumed>) = 0 [pid 5941] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE [pid 5942] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, [pid 5941] <... mprotect resumed>) = 0 [pid 5942] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5941] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5942] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5941] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5942] <... rt_sigprocmask resumed>NULL, 8) = 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=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0}./strace-static-x86_64: Process 5943 attached [pid 5942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5942] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5941] <... clone3 resumed> => {parent_tid=[5943]}, 88) = 5943 [pid 5943] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5942] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5941] rt_sigprocmask(SIG_SETMASK, [], [pid 5943] <... rseq resumed>) = 0 [pid 5942] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5943] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} [pid 5941] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5944 attached [pid 5943] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5942] <... clone3 resumed> => {parent_tid=[5944]}, 88) = 5944 [pid 5944] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053) = 0 [pid 5944] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5944] rt_sigprocmask(SIG_SETMASK, [], [pid 5943] memfd_create("syzkaller", 0 [pid 5942] rt_sigprocmask(SIG_SETMASK, [], [pid 5944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5943] <... memfd_create resumed>) = 3 [pid 5942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5941] <... futex resumed>) = 0 [pid 5944] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5942] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5943] <... mmap resumed>) = 0x7f2796e00000 [pid 5942] <... futex resumed>) = 0 [pid 5944] memfd_create("syzkaller", 0 [pid 5942] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5944] <... memfd_create resumed>) = 3 [pid 5944] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5934] <... write resumed>) = 16777216 [pid 5934] munmap(0x7f2796e00000, 138412032 [pid 5940] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5934] <... munmap resumed>) = 0 [pid 5934] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5934] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5934] close(3) = 0 [pid 5934] close(4) = 0 [pid 5934] mkdir("./file0", 0777) = 0 [ 129.569736][ T5934] loop0: detected capacity change from 0 to 32768 [pid 5934] mount("/dev/loop0", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 5934] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5934] chdir("./file0") = 0 [pid 5934] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 129.610142][ T5934] [ 129.610142][ T5934] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 129.610142][ T5934] [pid 5934] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5933] <... futex resumed>) = 0 [pid 5933] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5933] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] chdir("./file0") = 0 [pid 5934] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5933] <... futex resumed>) = 0 [pid 5934] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5933] <... futex resumed>) = 0 [pid 5934] creat("./bus", 000 [pid 5933] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [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"..., 16777216 [pid 5934] <... creat resumed>) = -1 EIO (Input/output error) [pid 5934] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5933] <... futex resumed>) = 0 [pid 5934] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5933] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 129.689499][ T5934] read_mapping_page failed! [ 129.694069][ T5934] ERROR: (device loop0): txCommit: [ 129.694069][ T5934] [ 129.727425][ T5934] read_mapping_page failed! [ 129.731997][ T5934] ERROR: (device loop0): txCommit: [ 129.731997][ T5934] [pid 5933] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] <... openat resumed>) = -1 EIO (Input/output error) [pid 5934] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5933] <... futex resumed>) = 0 [pid 5934] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5933] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5937] <... write resumed>) = 16777216 [pid 5934] <... openat resumed>) = -1 EIO (Input/output error) [pid 5934] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5934] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] exit_group(0 [pid 5937] munmap(0x7f2796e00000, 138412032 [pid 5934] <... futex resumed>) = ? [pid 5933] <... exit_group resumed>) = ? [pid 5934] +++ exited with 0 +++ [pid 5933] +++ exited with 0 +++ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5933, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=32 /* 0.32 s */} --- [pid 5837] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5837] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 129.778919][ T5934] read_mapping_page failed! [ 129.783494][ T5934] ERROR: (device loop0): txCommit: [ 129.783494][ T5934] [pid 5837] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5837] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5937] <... munmap resumed>) = 0 [pid 5937] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 129.855395][ T5837] [ 129.855395][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 129.855395][ T5837] [ 129.886888][ T5837] [ 129.886888][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 129.886888][ T5837] [pid 5937] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5937] close(3) = 0 [pid 5937] close(4) = 0 [pid 5937] mkdir("./file0", 0777) = 0 [pid 5837] <... umount2 resumed>) = 0 [pid 5937] mount("/dev/loop1", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5837] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./6/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5837] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [ 129.907144][ T5937] loop1: detected capacity change from 0 to 32768 [pid 5837] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5837] close(4) = 0 [pid 5837] rmdir("./6/file0") = 0 [pid 5837] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./6/binderfs") = 0 [pid 5837] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5837] close(3) = 0 [pid 5837] rmdir("./6") = 0 [pid 5837] mkdir("./7", 0777) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [pid 5837] close(3 [pid 5940] <... write resumed>) = 16777216 [pid 5937] <... mount resumed>) = 0 [pid 5937] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5937] chdir("./file0") = 0 [pid 5937] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5937] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5936] <... futex resumed>) = 0 [pid 5937] chdir("./file0" [pid 5936] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5936] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 129.951719][ T5937] [ 129.951719][ T5937] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 129.951719][ T5937] [pid 5940] munmap(0x7f2796e00000, 138412032 [pid 5937] <... chdir resumed>) = 0 [pid 5937] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5936] <... futex resumed>) = 0 [pid 5936] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] creat("./bus", 000 [pid 5936] <... futex resumed>) = 0 [pid 5936] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] <... munmap resumed>) = 0 [pid 5940] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 130.035935][ T5937] read_mapping_page failed! [ 130.040512][ T5937] ERROR: (device loop1): txCommit: [ 130.040512][ T5937] [pid 5940] ioctl(4, LOOP_SET_FD, 3 [pid 5936] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5940] <... ioctl resumed>) = 0 [pid 5936] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] close(3 [pid 5936] <... futex resumed>) = 0 [pid 5940] <... close resumed>) = 0 [pid 5936] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5940] close(4 [pid 5936] <... mmap resumed>) = 0x7f279f1e0000 [pid 5940] <... close resumed>) = 0 [pid 5936] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE [pid 5940] mkdir("./file0", 0777 [pid 5936] <... mprotect resumed>) = 0 [pid 5936] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5940] <... mkdir resumed>) = 0 [pid 5936] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0} [pid 5937] <... creat resumed>) = -1 EIO (Input/output error) ./strace-static-x86_64: Process 5945 attached [pid 5945] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5940] mount("/dev/loop2", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5937] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... clone3 resumed> => {parent_tid=[5945]}, 88) = 5945 [pid 5945] <... rseq resumed>) = 0 [pid 5937] <... futex resumed>) = 0 [pid 5936] rt_sigprocmask(SIG_SETMASK, [], [pid 5945] set_robust_list(0x7f279f2009a0, 24 [pid 5936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5945] <... set_robust_list resumed>) = 0 [pid 5936] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5945] rt_sigprocmask(SIG_SETMASK, [], [pid 5936] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5945] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [ 130.083417][ T5940] loop2: detected capacity change from 0 to 32768 [ 130.121739][ T5945] read_mapping_page failed! [pid 5937] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] <... openat resumed>) = -1 EIO (Input/output error) [pid 5945] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... futex resumed>) = 0 [pid 5945] <... futex resumed>) = 1 [pid 5936] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] <... futex resumed>) = 0 [pid 5936] <... futex resumed>) = 1 [ 130.136231][ T5945] ERROR: (device loop1): txCommit: [ 130.136231][ T5945] [ 130.169263][ T5937] read_mapping_page failed! [ 130.176655][ T5937] ERROR: (device loop1): txCommit: [ 130.176655][ T5937] [pid 5937] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EIO (Input/output error) [pid 5940] <... mount resumed>) = 0 [pid 5937] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5937] <... futex resumed>) = 0 [pid 5936] exit_group(0 [pid 5940] <... openat resumed>) = 3 [pid 5945] <... futex resumed>) = ? [pid 5936] <... exit_group resumed>) = ? [pid 5945] +++ exited with 0 +++ [pid 5940] chdir("./file0") = 0 [pid 5943] <... write resumed>) = 16777216 [pid 5940] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5937] +++ exited with 0 +++ [pid 5936] +++ exited with 0 +++ [pid 5940] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5936, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=32 /* 0.32 s */} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5940] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5940] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] <... futex resumed>) = 0 [ 130.184735][ T5940] [ 130.184735][ T5940] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 130.184735][ T5940] [pid 5939] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... futex resumed>) = 0 [pid 5939] <... futex resumed>) = 1 [pid 5940] chdir("./file0" [pid 5939] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] <... restart_syscall resumed>) = 0 [pid 5838] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5940] <... chdir resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5940] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5939] <... futex resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5940] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... openat resumed>) = 3 [pid 5940] <... futex resumed>) = 0 [pid 5939] <... futex resumed>) = 1 [pid 5940] creat("./bus", 000 [pid 5939] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5838] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5943] munmap(0x7f2796e00000, 138412032 [pid 5940] <... creat resumed>) = -1 EIO (Input/output error) [pid 5940] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5939] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5939] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] <... futex resumed>) = 1 [pid 5939] <... futex resumed>) = 0 [ 130.250969][ T5838] [ 130.250969][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 130.250969][ T5838] [ 130.261958][ T5940] read_mapping_page failed! [ 130.261982][ T5940] ERROR: (device loop2): txCommit: [ 130.261982][ T5940] [pid 5943] <... munmap resumed>) = 0 [pid 5940] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5939] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [ 130.301256][ T5838] [ 130.301256][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 130.301256][ T5838] [ 130.313248][ T5940] read_mapping_page failed! [ 130.318022][ T5940] ERROR: (device loop2): txCommit: [ 130.318022][ T5940] [pid 5943] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5940] <... openat resumed>) = -1 EIO (Input/output error) [pid 5943] <... openat resumed>) = 4 [pid 5943] ioctl(4, LOOP_SET_FD, 3 [pid 5940] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5939] <... futex resumed>) = 0 [pid 5940] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5939] <... futex resumed>) = 0 [pid 5940] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5838] <... umount2 resumed>) = 0 [pid 5943] <... ioctl resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5943] close(3 [pid 5838] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5943] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5943] close(4 [pid 5838] newfstatat(AT_FDCWD, "./6/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5940] <... openat resumed>) = -1 EIO (Input/output error) [pid 5838] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5940] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] getdents64(4, [pid 5940] <... futex resumed>) = 0 [pid 5838] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5940] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5838] close(4 [pid 5939] exit_group(0 [pid 5838] <... close resumed>) = 0 [pid 5940] <... futex resumed>) = ? [pid 5939] <... exit_group resumed>) = ? [pid 5838] rmdir("./6/file0" [pid 5943] <... close resumed>) = 0 [pid 5940] +++ exited with 0 +++ [pid 5939] +++ exited with 0 +++ [pid 5838] <... rmdir resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5943] mkdir("./file0", 0777 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5939, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=28 /* 0.28 s */} --- [pid 5943] <... mkdir resumed>) = 0 [pid 5839] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5838] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5943] mount("/dev/loop3", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5946 attached [pid 5839] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5946] set_robust_list(0x55556644a6a0, 24 [pid 5839] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] unlink("./6/binderfs" [pid 5946] <... set_robust_list resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... unlink resumed>) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x55556644a690) = 5946 [pid 5946] chdir("./7" [pid 5839] newfstatat(3, "", [pid 5838] getdents64(3, [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5946] <... chdir resumed>) = 0 [pid 5839] getdents64(3, [pid 5838] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] <... getdents64 resumed>0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5838] close(3 [pid 5946] <... prctl resumed>) = 0 [ 130.348673][ T5943] loop3: detected capacity change from 0 to 32768 [ 130.357492][ T5940] read_mapping_page failed! [ 130.362150][ T5940] ERROR: (device loop2): txCommit: [ 130.362150][ T5940] [pid 5839] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... close resumed>) = 0 [pid 5946] setpgid(0, 0 [pid 5944] <... write resumed>) = 16777216 [pid 5946] <... setpgid resumed>) = 0 [pid 5838] rmdir("./6" [pid 5946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] <... rmdir resumed>) = 0 [pid 5946] write(3, "1000", 4) = 4 [pid 5946] close(3) = 0 [pid 5946] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5838] mkdir("./7", 0777executing program [pid 5946] write(1, "executing program\n", 18 [pid 5944] munmap(0x7f2796e00000, 138412032 [pid 5943] <... mount resumed>) = 0 [pid 5943] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5838] <... mkdir resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5943] chdir("./file0" [pid 5838] <... openat resumed>) = 3 [pid 5838] ioctl(3, LOOP_CLR_FD) = 0 [pid 5838] close(3 [pid 5946] <... write resumed>) = 18 [pid 5946] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... chdir resumed>) = 0 [pid 5943] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5946] <... futex resumed>) = 0 [pid 5946] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5946] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5943] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5946] mprotect(0x7f279f202000, 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=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} [pid 5943] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... clone3 resumed> => {parent_tid=[5947]}, 88) = 5947 [pid 5946] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5946] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 130.393416][ T5839] [ 130.393416][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 130.393416][ T5839] [ 130.411193][ T5839] [ 130.411193][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 130.411193][ T5839] [ 130.421794][ T5943] [ 130.421794][ T5943] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 130.421794][ T5943] [pid 5946] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5943] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5947 attached [pid 5943] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053) = 0 [pid 5947] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5947] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5947] memfd_create("syzkaller", 0 [pid 5941] <... futex resumed>) = 0 [pid 5947] <... memfd_create resumed>) = 3 [pid 5941] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5941] <... futex resumed>) = 1 [pid 5947] <... mmap resumed>) = 0x7f2796e00000 [pid 5941] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] <... futex resumed>) = 0 [pid 5943] chdir("./file0") = 0 [pid 5943] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5941] <... futex resumed>) = 0 [pid 5943] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5941] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... futex resumed>) = 0 [pid 5941] <... futex resumed>) = 1 [pid 5943] creat("./bus", 000 [pid 5941] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... umount2 resumed>) = 0 [pid 5944] <... munmap resumed>) = 0 [pid 5839] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./6/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5839] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5839] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5839] close(4) = 0 [pid 5839] rmdir("./6/file0") = 0 [pid 5839] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./6/binderfs") = 0 [pid 5839] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5839] close(3) = 0 [pid 5839] rmdir("./6") = 0 [pid 5839] mkdir("./7", 0777) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5839] ioctl(3, LOOP_CLR_FD) = 0 [pid 5839] close(3) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5948 attached [pid 5944] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5948] set_robust_list(0x55556644a6a0, 24 [pid 5839] <... clone resumed>, child_tidptr=0x55556644a690) = 5948 [pid 5948] <... set_robust_list resumed>) = 0 [pid 5948] chdir("./7") = 0 [pid 5948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5944] <... openat resumed>) = 4 [pid 5941] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5941] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 130.508749][ T5943] read_mapping_page failed! [ 130.513338][ T5943] ERROR: (device loop3): txCommit: [ 130.513338][ T5943] [pid 5941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 5948] <... prctl resumed>) = 0 [pid 5944] ioctl(4, LOOP_SET_FD, 3 [pid 5943] <... creat resumed>) = -1 EIO (Input/output error) [pid 5941] <... mmap resumed>) = 0x7f279f1e0000 [pid 5941] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5941] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 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=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0} => {parent_tid=[5949]}, 88) = 5949 [pid 5941] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5941] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5941] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5949 attached [pid 5948] setpgid(0, 0) = 0 [pid 5948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5949] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5948] write(3, "1000", 4 [pid 5949] <... rseq resumed>) = 0 [pid 5948] <... write resumed>) = 4 [pid 5949] set_robust_list(0x7f279f2009a0, 24 [pid 5948] close(3 [pid 5949] <... set_robust_list resumed>) = 0 [pid 5948] <... close resumed>) = 0 [pid 5949] rt_sigprocmask(SIG_SETMASK, [], [pid 5948] symlink("/dev/binderfs", "./binderfs" [pid 5949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5948] <... symlink resumed>) = 0 [pid 5949] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5948] write(1, "executing program\n", 18) = 18 [pid 5944] <... ioctl resumed>) = 0 [pid 5943] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5943] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] close(3) = 0 [pid 5944] close(4) = 0 [pid 5944] mkdir("./file0", 0777 [pid 5948] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5948] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5948] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5948] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5948] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5948] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} => {parent_tid=[5950]}, 88) = 5950 [pid 5948] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5948] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5948] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5944] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5950 attached [pid 5950] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053) = 0 [pid 5950] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5950] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 130.564677][ T5944] loop4: detected capacity change from 0 to 32768 [ 130.565940][ T5949] read_mapping_page failed! [pid 5950] memfd_create("syzkaller", 0 [pid 5944] mount("/dev/loop4", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5941] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5941] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... futex resumed>) = 0 [pid 5941] <... futex resumed>) = 1 [pid 5943] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5950] <... memfd_create resumed>) = 3 [pid 5950] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5949] <... openat resumed>) = -1 EIO (Input/output error) [pid 5949] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 130.615375][ T5949] ERROR: (device loop3): txCommit: [ 130.615375][ T5949] [pid 5949] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] <... openat resumed>) = -1 EIO (Input/output error) [pid 5943] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5943] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5941] exit_group(0 [pid 5943] <... futex resumed>) = ? [pid 5941] <... exit_group resumed>) = ? [ 130.660590][ T5943] read_mapping_page failed! [ 130.665212][ T5943] ERROR: (device loop3): txCommit: [ 130.665212][ T5943] [ 130.679661][ T5944] [ 130.679661][ T5944] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 130.679661][ T5944] [pid 5943] +++ exited with 0 +++ [pid 5949] <... futex resumed>) = ? [pid 5949] +++ exited with 0 +++ [pid 5941] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5941, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=24 /* 0.24 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5944] <... mount resumed>) = 0 [pid 5944] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5944] chdir("./file0") = 0 [pid 5944] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5944] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5944] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5942] <... futex resumed>) = 0 [pid 5942] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5944] chdir("./file0" [pid 5942] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5944] <... chdir resumed>) = 0 [pid 5944] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5944] <... futex resumed>) = 0 [pid 5942] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] creat("./bus", 000 [pid 5942] <... futex resumed>) = 0 [pid 5942] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... restart_syscall resumed>) = 0 [pid 5840] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 130.753687][ T5944] read_mapping_page failed! [pid 5840] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5840] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5942] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5942] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f1e0000 [pid 5942] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5942] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0}./strace-static-x86_64: Process 5951 attached => {parent_tid=[5951]}, 88) = 5951 [pid 5942] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5942] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5942] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5951] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053) = 0 [ 130.785476][ T5944] ERROR: (device loop4): txCommit: [ 130.785476][ T5944] [pid 5951] set_robust_list(0x7f279f2009a0, 24) = 0 [pid 5951] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5951] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5944] <... creat resumed>) = -1 EIO (Input/output error) [pid 5944] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5944] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] <... close resumed>) = 0 [pid 5942] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5942] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... futex resumed>) = 0 [pid 5942] <... futex resumed>) = 1 [pid 5944] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000./strace-static-x86_64: Process 5952 attached [pid 5838] <... clone resumed>, child_tidptr=0x55556644a690) = 5952 [pid 5952] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5952] chdir("./7") = 0 [pid 5952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5952] setpgid(0, 0) = 0 [pid 5952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5952] write(3, "1000", 4) = 4 [ 130.826751][ T5840] [ 130.826751][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 130.826751][ T5840] [ 130.846674][ T5951] read_mapping_page failed! [ 130.851509][ T5951] ERROR: (device loop4): txCommit: [ 130.851509][ T5951] [pid 5952] close(3executing program ) = 0 [pid 5952] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5952] write(1, "executing program\n", 18) = 18 [pid 5952] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5952] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5952] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5952] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5952] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5951] <... openat resumed>) = -1 EIO (Input/output error) [pid 5952] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0}./strace-static-x86_64: Process 5953 attached => {parent_tid=[5953]}, 88) = 5953 [pid 5951] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5953] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053) = 0 [pid 5952] rt_sigprocmask(SIG_SETMASK, [], [pid 5951] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5840] <... umount2 resumed>) = 0 [pid 5952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5952] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5953] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5953] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5953] memfd_create("syzkaller", 0) = 3 [pid 5953] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5952] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5840] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./6/file0", [pid 5944] <... openat resumed>) = -1 EIO (Input/output error) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5944] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5942] exit_group(0) = ? [pid 5951] <... futex resumed>) = ? [pid 5951] +++ exited with 0 +++ [ 130.875070][ T5840] [ 130.875070][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 130.875070][ T5840] [ 130.890905][ T5944] read_mapping_page failed! [ 130.897705][ T5944] ERROR: (device loop4): txCommit: [ 130.897705][ T5944] [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5944] <... futex resumed>) = ? [pid 5944] +++ exited with 0 +++ [pid 5942] +++ exited with 0 +++ [pid 5840] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5942, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=31 /* 0.31 s */} --- [pid 5841] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... openat resumed>) = 4 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(4, "", [pid 5841] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(4, [pid 5841] getdents64(3, [pid 5840] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5841] <... getdents64 resumed>0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5840] getdents64(4, [pid 5841] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x555566453770 /* 0 entries */, 32768) = 0 [pid 5840] close(4) = 0 [pid 5840] rmdir("./6/file0") = 0 [pid 5840] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./6/binderfs") = 0 [pid 5840] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5840] close(3 [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"..., 16777216 [pid 5840] <... close resumed>) = 0 [pid 5840] rmdir("./6") = 0 [pid 5840] mkdir("./7", 0777) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5841] <... umount2 resumed>) = 0 [pid 5840] ioctl(3, LOOP_CLR_FD) = 0 [pid 5841] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 130.977683][ T5841] [ 130.977683][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 130.977683][ T5841] [ 130.997235][ T5841] [ 130.997235][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 130.997235][ T5841] [pid 5840] close(3 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./6/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5841] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5950] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5841] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5841] close(4) = 0 [pid 5841] rmdir("./6/file0") = 0 [pid 5841] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./6/binderfs") = 0 [pid 5841] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5841] close(3) = 0 [pid 5841] rmdir("./6") = 0 [pid 5841] mkdir("./7", 0777) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5841] ioctl(3, LOOP_CLR_FD) = 0 [pid 5841] close(3 [pid 5840] <... close resumed>) = 0 [pid 5953] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556644a690) = 5954 ./strace-static-x86_64: Process 5954 attached [pid 5954] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5954] chdir("./7") = 0 [pid 5954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5954] setpgid(0, 0) = 0 [pid 5954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5954] write(3, "1000", 4) = 4 [pid 5954] close(3) = 0 [pid 5947] <... write resumed>) = 16777216 [pid 5954] symlink("/dev/binderfs", "./binderfs" [pid 5947] munmap(0x7f2796e00000, 138412032 [pid 5954] <... symlink resumed>) = 0 [pid 5954] write(1, "executing program\n", 18executing program ) = 18 [pid 5954] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5841] <... close resumed>) = 0 [pid 5954] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5954] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5954] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5954] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5947] <... munmap resumed>) = 0 [pid 5954] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [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=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} [pid 5947] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5947] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5955 attached [pid 5954] <... clone3 resumed> => {parent_tid=[5956]}, 88) = 5956 [pid 5841] <... clone resumed>, child_tidptr=0x55556644a690) = 5955 [pid 5955] set_robust_list(0x55556644a6a0, 24 [pid 5954] rt_sigprocmask(SIG_SETMASK, [], [pid 5955] <... set_robust_list resumed>) = 0 [pid 5954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5954] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5956 attached [pid 5955] chdir("./7" [pid 5956] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5955] <... chdir resumed>) = 0 [pid 5954] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5956] <... rseq resumed>) = 0 [pid 5955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5956] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5956] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5956] memfd_create("syzkaller", 0) = 3 [pid 5956] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5955] setpgid(0, 0) = 0 [pid 5955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5955] write(3, "1000", 4) = 4 [pid 5955] close(3) = 0 [pid 5947] <... ioctl resumed>) = 0 executing program [pid 5955] symlink("/dev/binderfs", "./binderfs" [pid 5947] close(3) = 0 [pid 5947] close(4 [pid 5955] <... symlink resumed>) = 0 [pid 5947] <... close resumed>) = 0 [pid 5955] write(1, "executing program\n", 18) = 18 [pid 5947] mkdir("./file0", 0777 [pid 5955] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5947] <... mkdir resumed>) = 0 [ 131.463751][ T5947] loop0: detected capacity change from 0 to 32768 [pid 5955] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, [pid 5947] mount("/dev/loop0", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5955] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5955] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5950] <... write resumed>) = 16777216 [pid 5947] <... mount resumed>) = 0 [pid 5955] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE [pid 5947] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5955] <... mprotect resumed>) = 0 [pid 5955] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5947] <... openat resumed>) = 3 [pid 5955] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5947] chdir("./file0" [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=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} [pid 5947] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5957 attached [pid 5947] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5957] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5955] <... clone3 resumed> => {parent_tid=[5957]}, 88) = 5957 [pid 5957] <... rseq resumed>) = 0 [pid 5955] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5957] set_robust_list(0x7f279f2219a0, 24 [pid 5955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5950] munmap(0x7f2796e00000, 138412032 [pid 5947] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... set_robust_list resumed>) = 0 [pid 5955] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... futex resumed>) = 1 [pid 5946] <... futex resumed>) = 0 [pid 5957] rt_sigprocmask(SIG_SETMASK, [], [pid 5955] <... futex resumed>) = 0 [pid 5947] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5946] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5946] <... futex resumed>) = 0 [pid 5947] chdir("./file0" [pid 5946] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] memfd_create("syzkaller", 0 [pid 5947] <... chdir resumed>) = 0 [pid 5957] <... memfd_create resumed>) = 3 [pid 5947] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5946] <... futex resumed>) = 0 [ 131.532374][ T5947] [ 131.532374][ T5947] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 131.532374][ T5947] [pid 5957] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5947] creat("./bus", 000 [pid 5946] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5946] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] <... mmap resumed>) = 0x7f2796e00000 [pid 5950] <... munmap resumed>) = 0 [pid 5950] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5950] ioctl(4, LOOP_SET_FD, 3 [pid 5947] <... creat resumed>) = -1 EIO (Input/output error) [pid 5947] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5946] <... futex resumed>) = 0 [pid 5947] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5946] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5946] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5950] <... ioctl resumed>) = 0 [pid 5950] close(3) = 0 [pid 5950] close(4) = 0 [pid 5950] mkdir("./file0", 0777) = 0 [ 131.597340][ T5947] read_mapping_page failed! [ 131.616376][ T5947] ERROR: (device loop0): txCommit: [ 131.616376][ T5947] [ 131.620819][ T5950] loop2: detected capacity change from 0 to 32768 [ 131.640697][ T5947] read_mapping_page failed! [pid 5950] mount("/dev/loop2", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5946] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5946] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f1e0000 [pid 5946] mprotect(0x7f279f1e1000, 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=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0}./strace-static-x86_64: Process 5958 attached => {parent_tid=[5958]}, 88) = 5958 [pid 5958] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5953] <... write resumed>) = 16777216 [pid 5946] rt_sigprocmask(SIG_SETMASK, [], [pid 5958] <... rseq resumed>) = 0 [pid 5946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5958] set_robust_list(0x7f279f2009a0, 24 [pid 5946] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... set_robust_list resumed>) = 0 [pid 5953] munmap(0x7f2796e00000, 138412032 [pid 5946] <... futex resumed>) = 0 [pid 5958] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5958] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5950] <... mount resumed>) = 0 [pid 5950] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5950] chdir("./file0") = 0 [pid 5950] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5950] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5948] <... futex resumed>) = 0 [pid 5950] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5948] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5948] <... futex resumed>) = 0 [pid 5950] chdir("./file0" [pid 5948] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5950] <... chdir resumed>) = 0 [pid 5947] <... openat resumed>) = -1 EIO (Input/output error) [pid 5950] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... futex resumed>) = 0 [pid 5948] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5948] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5950] creat("./bus", 000 [ 131.661621][ T5950] [ 131.661621][ T5950] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 131.661621][ T5950] [ 131.672531][ T5947] ERROR: (device loop0): txCommit: [ 131.672531][ T5947] [pid 5947] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] <... creat resumed>) = -1 EIO (Input/output error) [pid 5953] <... munmap resumed>) = 0 [pid 5948] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5948] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5958] <... openat resumed>) = -1 EIO (Input/output error) [pid 5953] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5958] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... mmap resumed>) = 0x7f279f1e0000 [pid 5946] exit_group(0 [pid 5948] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE [pid 5947] <... futex resumed>) = ? [pid 5946] <... exit_group resumed>) = ? [pid 5958] <... futex resumed>) = ? [pid 5953] <... openat resumed>) = 4 [pid 5947] +++ exited with 0 +++ [pid 5948] <... mprotect resumed>) = 0 [pid 5948] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5948] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0}./strace-static-x86_64: Process 5959 attached [pid 5950] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... clone3 resumed> => {parent_tid=[5959]}, 88) = 5959 [pid 5950] <... futex resumed>) = 0 [pid 5948] rt_sigprocmask(SIG_SETMASK, [], [pid 5950] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5948] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5959] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5948] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5959] <... rseq resumed>) = 0 [ 131.719431][ T5958] read_mapping_page failed! [ 131.720078][ T5950] read_mapping_page failed! [ 131.734378][ T5958] ERROR: (device loop0): txCommit: [ 131.734378][ T5958] [ 131.742202][ T5950] ERROR: (device loop2): txCommit: [ 131.742202][ T5950] [pid 5959] set_robust_list(0x7f279f2009a0, 24) = 0 [pid 5958] +++ exited with 0 +++ [pid 5946] +++ exited with 0 +++ [pid 5953] ioctl(4, LOOP_SET_FD, 3 [pid 5959] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5946, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=25 /* 0.25 s */} --- [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5959] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5837] <... restart_syscall resumed>) = 0 [pid 5837] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5837] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5953] <... ioctl resumed>) = 0 [pid 5953] close(3) = 0 [pid 5953] close(4) = 0 [pid 5953] mkdir("./file0", 0777 [pid 5948] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5953] <... mkdir resumed>) = 0 [pid 5948] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [ 131.776241][ T5953] loop1: detected capacity change from 0 to 32768 [ 131.777000][ T5959] read_mapping_page failed! [ 131.800435][ T5837] [ 131.800435][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 131.800435][ T5837] [ 131.817399][ T5959] ERROR: (device loop2): txCommit: [ 131.817399][ T5959] [pid 5953] mount("/dev/loop1", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5950] <... futex resumed>) = 0 [pid 5948] <... futex resumed>) = 1 [pid 5959] <... openat resumed>) = -1 EIO (Input/output error) [pid 5950] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5959] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 131.846876][ T5837] [ 131.846876][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 131.846876][ T5837] [ 131.865111][ T5950] read_mapping_page failed! [ 131.875577][ T5950] ERROR: (device loop2): txCommit: [ 131.875577][ T5950] [ 131.889893][ T5953] [pid 5959] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [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"..., 16777216 [pid 5950] <... openat resumed>) = -1 EIO (Input/output error) [pid 5837] <... umount2 resumed>) = 0 [pid 5837] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./7/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5950] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5950] <... futex resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5950] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 131.889893][ T5953] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 131.889893][ T5953] [pid 5837] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5948] exit_group(0 [pid 5837] newfstatat(4, "", [pid 5959] <... futex resumed>) = ? [pid 5948] <... exit_group resumed>) = ? [pid 5959] +++ exited with 0 +++ [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5950] <... futex resumed>) = ? [pid 5837] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5950] +++ exited with 0 +++ [pid 5948] +++ exited with 0 +++ [pid 5837] getdents64(4, [pid 5953] <... mount resumed>) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5948, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=39 /* 0.39 s */} --- [pid 5837] <... getdents64 resumed>0x555566453770 /* 0 entries */, 32768) = 0 [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5953] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5837] close(4 [pid 5953] <... openat resumed>) = 3 [pid 5837] <... close resumed>) = 0 [pid 5953] chdir("./file0" [pid 5837] rmdir("./7/file0" [pid 5953] <... chdir resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5953] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5837] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5953] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5839] <... restart_syscall resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5839] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] unlink("./7/binderfs" [pid 5839] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5953] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... openat resumed>) = 3 [pid 5837] <... unlink resumed>) = 0 [pid 5839] newfstatat(3, "", [pid 5837] getdents64(3, [pid 5953] <... futex resumed>) = 1 [pid 5952] <... futex resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5839] getdents64(3, [pid 5837] close(3 [pid 5952] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... getdents64 resumed>0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5837] <... close resumed>) = 0 [pid 5839] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] rmdir("./7" [pid 5952] <... futex resumed>) = 0 [pid 5952] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] chdir("./file0" [pid 5837] <... rmdir resumed>) = 0 [pid 5953] <... chdir resumed>) = 0 [pid 5953] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... futex resumed>) = 0 [pid 5952] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5952] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] <... futex resumed>) = 1 [pid 5953] creat("./bus", 000 [pid 5837] mkdir("./8", 0777) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [ 131.963583][ T5839] [ 131.963583][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 131.963583][ T5839] [ 131.977220][ T5953] read_mapping_page failed! [ 131.981791][ T5953] ERROR: (device loop1): txCommit: [ 131.981791][ T5953] [ 132.008886][ T5839] [pid 5837] close(3 [pid 5953] <... creat resumed>) = -1 EIO (Input/output error) [pid 5952] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5837] <... close resumed>) = 0 [pid 5953] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5952] <... futex resumed>) = 0 [pid 5952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f1e0000 [pid 5952] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 5960 attached [pid 5953] <... futex resumed>) = 0 [pid 5952] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5837] <... clone resumed>, child_tidptr=0x55556644a690) = 5960 [pid 5952] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0} [pid 5953] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] <... clone3 resumed> => {parent_tid=[5961]}, 88) = 5961 [pid 5952] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5952] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5952] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5961 attached [pid 5960] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5960] chdir("./8" [pid 5961] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5960] <... chdir resumed>) = 0 [pid 5961] <... rseq resumed>) = 0 [pid 5960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5961] set_robust_list(0x7f279f2009a0, 24) = 0 [pid 5961] rt_sigprocmask(SIG_SETMASK, [], [pid 5960] <... prctl resumed>) = 0 [pid 5961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5960] setpgid(0, 0 [pid 5961] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5960] <... setpgid resumed>) = 0 [ 132.008886][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 132.008886][ T5839] [pid 5960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5960] write(3, "1000", 4) = 4 [pid 5960] close(3) = 0 [pid 5960] symlink("/dev/binderfs", "./binderfs") = 0 [ 132.055209][ T5961] read_mapping_page failed! [pid 5960] write(1, "executing program\n", 18executing program ) = 18 [pid 5839] <... umount2 resumed>) = 0 [pid 5960] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5960] <... futex resumed>) = 0 [pid 5952] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5960] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, [pid 5953] <... futex resumed>) = 0 [pid 5953] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5960] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5960] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5839] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./7/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5960] <... mmap resumed>) = 0x7f279f201000 [pid 5960] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE [pid 5839] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5960] <... mprotect resumed>) = 0 [pid 5839] <... openat resumed>) = 4 [pid 5960] rt_sigprocmask(SIG_BLOCK, ~[], [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"..., 16777216 [pid 5839] newfstatat(4, "", [pid 5960] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} [pid 5961] <... openat resumed>) = -1 EIO (Input/output error) [pid 5839] getdents64(4, ./strace-static-x86_64: Process 5962 attached [pid 5961] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... clone3 resumed> => {parent_tid=[5962]}, 88) = 5962 [pid 5839] <... getdents64 resumed>0x555566453770 /* 2 entries */, 32768) = 48 [pid 5962] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5960] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] getdents64(4, [pid 5962] <... rseq resumed>) = 0 [pid 5960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5962] set_robust_list(0x7f279f2219a0, 24 [pid 5961] <... futex resumed>) = 0 [pid 5960] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... getdents64 resumed>0x555566453770 /* 0 entries */, 32768) = 0 [pid 5962] <... set_robust_list resumed>) = 0 [pid 5960] <... futex resumed>) = 0 [pid 5962] rt_sigprocmask(SIG_SETMASK, [], [pid 5961] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5839] close(4 [pid 5962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] <... close resumed>) = 0 [pid 5839] rmdir("./7/file0" [pid 5962] memfd_create("syzkaller", 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5962] <... memfd_create resumed>) = 3 [pid 5839] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./7/binderfs") = 0 [pid 5839] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5839] close(3) = 0 [pid 5839] rmdir("./7") = 0 [pid 5839] mkdir("./8", 0777) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5962] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5962] <... mmap resumed>) = 0x7f2796e00000 [pid 5839] <... ioctl resumed>) = 0 [pid 5839] close(3) = 0 [ 132.084801][ T5961] ERROR: (device loop1): txCommit: [ 132.084801][ T5961] [ 132.119964][ T5953] read_mapping_page failed! [ 132.124540][ T5953] ERROR: (device loop1): txCommit: [ 132.124540][ T5953] [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5963 attached , child_tidptr=0x55556644a690) = 5963 [pid 5953] <... openat resumed>) = -1 EIO (Input/output error) [pid 5953] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5953] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] exit_group(0 [pid 5961] <... futex resumed>) = ? [pid 5953] <... futex resumed>) = ? [pid 5952] <... exit_group resumed>) = ? [pid 5961] +++ exited with 0 +++ [pid 5953] +++ exited with 0 +++ [pid 5963] set_robust_list(0x55556644a6a0, 24 [pid 5952] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5952, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=31 /* 0.31 s */} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5838] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5963] <... set_robust_list resumed>) = 0 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5838] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5963] chdir("./8") = 0 [pid 5963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5963] setpgid(0, 0) = 0 [pid 5963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5963] write(3, "1000", 4) = 4 [pid 5963] close(3) = 0 [ 132.188426][ T5838] [ 132.188426][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 132.188426][ T5838] [pid 5963] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5963] write(1, "executing program\n", 18executing program ) = 18 [pid 5838] <... umount2 resumed>) = 0 [pid 5838] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5963] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./7/file0", [pid 5963] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5963] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5963] <... mmap resumed>) = 0x7f279f201000 [pid 5838] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5963] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE [pid 5838] <... openat resumed>) = 4 [pid 5838] newfstatat(4, "", [pid 5963] <... mprotect resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5963] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] getdents64(4, [pid 5963] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] <... getdents64 resumed>0x555566453770 /* 0 entries */, 32768) = 0 [ 132.234825][ T5838] [ 132.234825][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 132.234825][ T5838] [pid 5963] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} [pid 5838] close(4) = 0 [pid 5838] rmdir("./7/file0"./strace-static-x86_64: Process 5964 attached ) = 0 [pid 5963] <... clone3 resumed> => {parent_tid=[5964]}, 88) = 5964 [pid 5963] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5963] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5963] <... futex resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5963] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5838] unlink("./7/binderfs") = 0 [pid 5838] getdents64(3, [pid 5964] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5838] <... getdents64 resumed>0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5964] <... rseq resumed>) = 0 [pid 5838] close(3 [pid 5964] set_robust_list(0x7f279f2219a0, 24 [pid 5838] <... close resumed>) = 0 [pid 5964] <... set_robust_list resumed>) = 0 [pid 5838] rmdir("./7") = 0 [pid 5838] mkdir("./8", 0777) = 0 [pid 5964] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5838] ioctl(3, LOOP_CLR_FD) = 0 [pid 5838] close(3) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5964] memfd_create("syzkaller", 0 [pid 5838] <... clone resumed>, child_tidptr=0x55556644a690) = 5965 [pid 5964] <... memfd_create resumed>) = 3 [pid 5964] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5965 attached ) = 0x7f2796e00000 [pid 5965] set_robust_list(0x55556644a6a0, 24) = 0 [pid 5965] chdir("./8") = 0 [pid 5965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5965] setpgid(0, 0) = 0 [pid 5965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5965] write(3, "1000", 4) = 4 [pid 5965] close(3) = 0 [pid 5965] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5965] write(1, "executing program\n", 18) = 18 [pid 5965] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5965] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, NULL, 8) = 0 [pid 5965] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f201000 [pid 5965] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5965] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} => {parent_tid=[5966]}, 88) = 5966 [pid 5965] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5965] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5966 attached [pid 5965] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5966] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053) = 0 [pid 5966] set_robust_list(0x7f279f2219a0, 24) = 0 [pid 5966] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5966] memfd_create("syzkaller", 0) = 3 [pid 5966] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2796e00000 [pid 5956] <... write resumed>) = 16777216 [pid 5956] munmap(0x7f2796e00000, 138412032) = 0 [pid 5956] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5956] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5956] close(3) = 0 [pid 5956] close(4) = 0 [pid 5956] mkdir("./file0", 0777) = 0 [ 132.576279][ T5956] loop3: detected capacity change from 0 to 32768 [ 132.633937][ T5956] [ 132.633937][ T5956] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 132.633937][ T5956] [pid 5956] mount("/dev/loop3", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 5956] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5956] chdir("./file0") = 0 [pid 5956] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5956] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5954] <... futex resumed>) = 0 [pid 5956] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... futex resumed>) = 0 [pid 5954] <... futex resumed>) = 1 [pid 5954] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] chdir("./file0") = 0 [pid 5956] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5954] <... futex resumed>) = 0 [pid 5956] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5954] <... futex resumed>) = 0 [pid 5956] creat("./bus", 000 [pid 5954] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [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"..., 16777216 [pid 5956] <... creat resumed>) = -1 EIO (Input/output error) [pid 5954] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5954] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5956] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5956] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] <... mmap resumed>) = 0x7f279f1e0000 [pid 5954] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE) = 0 [ 132.736447][ T5956] read_mapping_page failed! [ 132.741708][ T5956] ERROR: (device loop3): txCommit: [ 132.741708][ T5956] [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=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0}./strace-static-x86_64: Process 5967 attached [pid 5957] <... write resumed>) = 16777216 [pid 5954] <... clone3 resumed> => {parent_tid=[5967]}, 88) = 5967 [pid 5954] rt_sigprocmask(SIG_SETMASK, [], [pid 5957] munmap(0x7f2796e00000, 138412032 [pid 5967] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5967] <... rseq resumed>) = 0 [pid 5967] set_robust_list(0x7f279f2009a0, 24) = 0 [pid 5967] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5967] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5967] <... futex resumed>) = 0 [pid 5954] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5967] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5964] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5957] <... munmap resumed>) = 0 [pid 5957] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5954] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 132.865204][ T5967] read_mapping_page failed! [ 132.880730][ T5967] ERROR: (device loop3): txCommit: [ 132.880730][ T5967] [pid 5957] ioctl(4, LOOP_SET_FD, 3 [pid 5954] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] <... openat resumed>) = -1 EIO (Input/output error) [pid 5956] <... futex resumed>) = 0 [pid 5954] <... futex resumed>) = 1 [pid 5967] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5967] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5956] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5957] <... ioctl resumed>) = 0 [pid 5957] close(3) = 0 [pid 5957] close(4 [pid 5966] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5957] <... close resumed>) = 0 [pid 5957] mkdir("./file0", 0777) = 0 [pid 5957] mount("/dev/loop4", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5956] <... openat resumed>) = -1 EIO (Input/output error) [ 132.908871][ T5957] loop4: detected capacity change from 0 to 32768 [ 132.919160][ T5956] read_mapping_page failed! [ 132.923728][ T5956] ERROR: (device loop3): txCommit: [ 132.923728][ T5956] [pid 5956] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5956] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] exit_group(0 [pid 5956] <... futex resumed>) = ? [pid 5954] <... exit_group resumed>) = ? [pid 5956] +++ exited with 0 +++ [pid 5967] <... futex resumed>) = ? [pid 5967] +++ exited with 0 +++ [pid 5954] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5954, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=29 /* 0.29 s */} --- [pid 5840] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5840] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5957] <... mount resumed>) = 0 [ 132.969239][ T5957] [ 132.969239][ T5957] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 132.969239][ T5957] [pid 5957] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5957] chdir("./file0") = 0 [pid 5957] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5957] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5957] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] <... futex resumed>) = 0 [pid 5955] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5955] <... futex resumed>) = 0 [pid 5957] chdir("./file0" [pid 5955] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] <... chdir resumed>) = 0 [pid 5957] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5957] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] <... futex resumed>) = 0 [pid 5955] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5955] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 133.026316][ T5840] [ 133.026316][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 133.026316][ T5840] [ 133.065928][ T5840] [ 133.065928][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 133.065928][ T5840] [pid 5957] creat("./bus", 000 [pid 5955] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5955] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5955] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f1e0000 [pid 5955] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5955] rt_sigprocmask(SIG_BLOCK, ~[], [], 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=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0} [pid 5840] <... umount2 resumed>) = 0 [pid 5955] <... clone3 resumed> => {parent_tid=[5968]}, 88) = 5968 [pid 5955] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5968 attached [pid 5955] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5955] <... futex resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5955] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] newfstatat(AT_FDCWD, "./7/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5840] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5840] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5840] close(4) = 0 [pid 5840] rmdir("./7/file0") = 0 [pid 5840] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./7/binderfs") = 0 [pid 5840] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./7") = 0 [pid 5840] mkdir("./8", 0777 [pid 5957] <... creat resumed>) = -1 EIO (Input/output error) [pid 5840] <... mkdir resumed>) = 0 [pid 5957] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5957] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5968] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5840] <... openat resumed>) = 3 [pid 5840] ioctl(3, LOOP_CLR_FD) = 0 [pid 5840] close(3 [pid 5968] <... rseq resumed>) = 0 [pid 5968] set_robust_list(0x7f279f2009a0, 24) = 0 [ 133.110449][ T5957] read_mapping_page failed! [ 133.115022][ T5957] ERROR: (device loop4): txCommit: [ 133.115022][ T5957] [pid 5968] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5968] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5955] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5955] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5955] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5957] <... futex resumed>) = 0 [pid 5957] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5968] <... openat resumed>) = -1 EIO (Input/output error) [pid 5968] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 133.186311][ T5968] read_mapping_page failed! [ 133.190884][ T5968] ERROR: (device loop4): txCommit: [ 133.190884][ T5968] [ 133.207474][ T5957] read_mapping_page failed! [pid 5968] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5957] <... openat resumed>) = -1 EIO (Input/output error) [pid 5957] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] exit_group(0 [pid 5957] <... futex resumed>) = 0 [pid 5957] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] <... futex resumed>) = ? [pid 5957] <... futex resumed>) = ? [pid 5955] <... exit_group resumed>) = ? [pid 5968] +++ exited with 0 +++ [pid 5957] +++ exited with 0 +++ [pid 5955] +++ exited with 0 +++ [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5955, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=34 /* 0.34 s */} --- [ 133.247533][ T5957] ERROR: (device loop4): txCommit: [ 133.247533][ T5957] [pid 5841] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, 0x55556644b730 /* 4 entries */, 32768) = 112 [pid 5841] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5962] <... write resumed>) = 16777216 [pid 5962] munmap(0x7f2796e00000, 138412032 [pid 5964] <... write resumed>) = 16777216 [pid 5962] <... munmap resumed>) = 0 [ 133.340139][ T5841] [ 133.340139][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 133.340139][ T5841] [ 133.365645][ T5841] [ 133.365645][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 133.365645][ T5841] [pid 5964] munmap(0x7f2796e00000, 138412032 [pid 5962] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5962] ioctl(4, LOOP_SET_FD, 3 [pid 5964] <... munmap resumed>) = 0 [pid 5841] <... umount2 resumed>) = 0 [pid 5964] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5841] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5962] <... ioctl resumed>) = 0 [pid 5964] <... openat resumed>) = 4 [pid 5964] ioctl(4, LOOP_SET_FD, 3 [pid 5962] close(3) = 0 [pid 5962] close(4 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./7/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5841] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(4, 0x555566453770 /* 2 entries */, 32768) = 48 [pid 5841] getdents64(4, 0x555566453770 /* 0 entries */, 32768) = 0 [pid 5841] close(4) = 0 [pid 5841] rmdir("./7/file0" [pid 5966] <... write resumed>) = 16777216 [pid 5962] <... close resumed>) = 0 [pid 5841] <... rmdir resumed>) = 0 [pid 5962] mkdir("./file0", 0777 [pid 5841] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./7/binderfs") = 0 [pid 5962] <... mkdir resumed>) = 0 [pid 5841] getdents64(3, 0x55556644b730 /* 0 entries */, 32768) = 0 [pid 5841] close(3 [pid 5966] munmap(0x7f2796e00000, 138412032 [pid 5964] <... ioctl resumed>) = 0 [pid 5962] mount("/dev/loop0", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5841] <... close resumed>) = 0 [pid 5841] rmdir("./7") = 0 [pid 5841] mkdir("./8", 0777 [pid 5964] close(3 [pid 5841] <... mkdir resumed>) = 0 [pid 5964] <... close resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5964] close(4 [pid 5841] <... openat resumed>) = 3 [pid 5841] ioctl(3, LOOP_CLR_FD [pid 5964] <... close resumed>) = 0 [pid 5964] mkdir("./file0", 0777 [pid 5841] <... ioctl resumed>) = 0 [pid 5841] close(3 [pid 5964] <... mkdir resumed>) = 0 [ 133.427519][ T5962] loop0: detected capacity change from 0 to 32768 [ 133.453804][ T5964] loop2: detected capacity change from 0 to 32768 [pid 5964] mount("/dev/loop2", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5966] <... munmap resumed>) = 0 [pid 5966] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 133.501328][ T5962] [ 133.501328][ T5962] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 133.501328][ T5962] [pid 5966] ioctl(4, LOOP_SET_FD, 3 [pid 5962] <... mount resumed>) = 0 [pid 5962] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5962] chdir("./file0") = 0 [pid 5966] <... ioctl resumed>) = 0 [pid 5966] close(3) = 0 [pid 5966] close(4) = 0 [pid 5966] mkdir("./file0", 0777) = 0 [pid 5962] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5962] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5960] <... futex resumed>) = 0 [pid 5962] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5960] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] mount("/dev/loop1", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 133.551381][ T5964] [ 133.551381][ T5964] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 133.551381][ T5964] [ 133.565409][ T5966] loop1: detected capacity change from 0 to 32768 [pid 5962] chdir("./file0" [pid 5964] <... mount resumed>) = 0 [pid 5960] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5840] <... close resumed>) = 0 [pid 5964] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5960] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5964] <... openat resumed>) = 3 [pid 5960] <... futex resumed>) = 0 [pid 5964] chdir("./file0" [pid 5960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] <... clone resumed>, child_tidptr=0x55556644a690) = 5969 [pid 5964] <... chdir resumed>) = 0 [pid 5960] <... mmap resumed>) = 0x7f279f1e0000 [pid 5964] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5960] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5969 attached [pid 5964] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5962] <... chdir resumed>) = 0 [pid 5960] <... mprotect resumed>) = 0 [pid 5964] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5964] <... futex resumed>) = 1 [pid 5963] <... futex resumed>) = 0 [pid 5960] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5964] chdir("./file0" [pid 5963] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0}./strace-static-x86_64: Process 5970 attached [pid 5969] set_robust_list(0x55556644a6a0, 24 [pid 5963] <... futex resumed>) = 0 [pid 5962] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5969] <... set_robust_list resumed>) = 0 [pid 5964] <... chdir resumed>) = 0 [pid 5963] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5962] <... futex resumed>) = 0 [pid 5960] <... clone3 resumed> => {parent_tid=[5970]}, 88) = 5970 [pid 5970] <... rseq resumed>) = 0 [pid 5964] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] rt_sigprocmask(SIG_SETMASK, [], [pid 5970] set_robust_list(0x7f279f2009a0, 24 [pid 5969] chdir("./8" [pid 5964] <... futex resumed>) = 1 [pid 5963] <... futex resumed>) = 0 [pid 5960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5970] <... set_robust_list resumed>) = 0 [pid 5969] <... chdir resumed>) = 0 [pid 5964] creat("./bus", 000 [pid 5963] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] rt_sigprocmask(SIG_SETMASK, [], [pid 5963] <... futex resumed>) = 0 [pid 5960] <... futex resumed>) = 0 [pid 5970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5969] prctl(PR_SET_PDEATHSIG, SIGKILL [ 133.625099][ T5966] [ 133.625099][ T5966] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 133.625099][ T5966] [pid 5963] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 133.678353][ T5964] read_mapping_page failed! [pid 5960] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5970] creat("./bus", 000 [pid 5969] <... prctl resumed>) = 0 [pid 5969] setpgid(0, 0 [pid 5966] <... mount resumed>) = 0 [pid 5969] <... setpgid resumed>) = 0 [pid 5966] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5966] chdir("./file0") = 0 [pid 5969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5966] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5969] <... openat resumed>) = 3 [pid 5966] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5963] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5969] write(3, "1000", 4 [pid 5963] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f279f1e0000 [pid 5963] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5966] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5966] <... futex resumed>) = 1 [pid 5963] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5963] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f200990, parent_tid=0x7f279f200990, exit_signal=0, stack=0x7f279f1e0000, stack_size=0x20300, tls=0x7f279f2006c0} [pid 5960] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5960] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... clone3 resumed> => {parent_tid=[5971]}, 88) = 5971 [pid 5962] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = 0 [pid 5960] <... futex resumed>) = 1 [pid 5969] <... write resumed>) = 4 [pid 5963] rt_sigprocmask(SIG_SETMASK, [], [pid 5960] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5971 attached [pid 5966] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5963] futex(0x7f279f2fa6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 133.707038][ T5964] ERROR: (device loop2): txCommit: [ 133.707038][ T5964] [ 133.726013][ T5970] read_mapping_page failed! [ 133.743138][ T5970] ERROR: (device loop0): txCommit: [ 133.743138][ T5970] [pid 5963] futex(0x7f279f2fa6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] rseq(0x7f279f200fe0, 0x20, 0, 0x53053053 [pid 5969] close(3 [pid 5965] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5971] <... rseq resumed>) = 0 [pid 5969] <... close resumed>) = 0 [pid 5966] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = 1 [pid 5964] <... creat resumed>) = -1 EIO (Input/output error) [pid 5971] set_robust_list(0x7f279f2009a0, 24 [pid 5966] chdir("./file0" [pid 5964] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... set_robust_list resumed>) = 0 [pid 5964] <... futex resumed>) = 0 [pid 5971] rt_sigprocmask(SIG_SETMASK, [], [pid 5964] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5971] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5969] symlink("/dev/binderfs", "./binderfs" [pid 5965] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5969] <... symlink resumed>) = 0 [pid 5966] <... chdir resumed>) = 0 executing program [pid 5969] write(1, "executing program\n", 18 [pid 5966] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] <... write resumed>) = 18 [pid 5966] <... futex resumed>) = 1 [pid 5965] <... futex resumed>) = 0 [pid 5969] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] <... futex resumed>) = 0 [pid 5965] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5963] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5966] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = 1 [pid 5963] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] futex(0x7f279f2fa6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] rt_sigaction(SIGRT_1, {sa_handler=0x7f279f293060, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f279f284210}, [pid 5966] creat("./bus", 000 [pid 5960] <... futex resumed>) = 0 [pid 5969] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5963] <... futex resumed>) = 1 [pid 5965] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5964] <... futex resumed>) = 0 [ 133.760039][ T5971] read_mapping_page failed! [ 133.764615][ T5971] ERROR: (device loop2): txCommit: [ 133.764615][ T5971] [ 133.796670][ T5966] read_mapping_page failed! [ 133.801278][ T5966] ERROR: (device loop1): txCommit: [ 133.801278][ T5966] [pid 5960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5964] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5970] <... creat resumed>) = -1 EIO (Input/output error) [pid 5969] <... mmap resumed>) = 0x7f279f201000 [pid 5960] <... mmap resumed>) = 0x7f279f1bf000 [pid 5970] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] mprotect(0x7f279f1c0000, 131072, PROT_READ|PROT_WRITE [pid 5970] <... futex resumed>) = 0 [pid 5960] <... mprotect resumed>) = 0 [pid 5970] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f279f1df990, parent_tid=0x7f279f1df990, exit_signal=0, stack=0x7f279f1bf000, stack_size=0x20300, tls=0x7f279f1df6c0} => {parent_tid=[5972]}, 88) = 5972 [pid 5960] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5972 attached [pid 5960] futex(0x7f279f2fa6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5972] rseq(0x7f279f1dffe0, 0x20, 0, 0x53053053) = 0 [pid 5972] set_robust_list(0x7f279f1df9a0, 24) = 0 [pid 5972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5972] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5969] mprotect(0x7f279f202000, 131072, PROT_READ|PROT_WRITE [pid 5971] <... openat resumed>) = -1 EIO (Input/output error) [pid 5969] <... mprotect resumed>) = 0 [pid 5969] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5971] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5971] futex(0x7f279f2fa6b8, FUTEX_WAIT_PRIVATE, 0, NULL [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=0x7f279f221990, parent_tid=0x7f279f221990, exit_signal=0, stack=0x7f279f201000, stack_size=0x20300, tls=0x7f279f2216c0} [pid 5966] <... creat resumed>) = -1 EIO (Input/output error) [pid 5965] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5965] futex(0x7f279f2fa6bc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5973 attached [pid 5969] <... clone3 resumed> => {parent_tid=[5973]}, 88) = 5973 [pid 5965] <... futex resumed>) = 0 [pid 5966] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] rseq(0x7f279f221fe0, 0x20, 0, 0x53053053 [pid 5969] rt_sigprocmask(SIG_SETMASK, [], [pid 5966] <... futex resumed>) = 0 [pid 5965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5973] <... rseq resumed>) = 0 [pid 5969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5966] futex(0x7f279f2fa6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] <... mmap resumed>) = 0x7f279f1e0000 [pid 5973] set_robust_list(0x7f279f2219a0, 24 [ 133.807185][ T5972] read_mapping_page failed! [ 133.814196][ T5972] ERROR: (device loop0): txCommit: [ 133.814196][ T5972] [ 133.824282][ T5964] read_mapping_page failed! [ 133.831423][ T5964] ERROR: (device loop2): txCommit: [ 133.831423][ T5964] [ 133.857868][ T5962] ================================================================== [ 133.866064][ T5962] BUG: KASAN: slab-out-of-bounds in dtInsertEntry+0xe9a/0x1430 [ 133.873750][ T5962] Read of size 4 at addr ffff888070402474 by task syz-executor292/5962 [ 133.882020][ T5962] [ 133.884402][ T5962] CPU: 0 UID: 0 PID: 5962 Comm: syz-executor292 Not tainted 6.15.0-rc6-syzkaller-00085-gc94d59a126cb #0 PREEMPT(full) [ 133.884429][ T5962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 133.884455][ T5962] Call Trace: [ 133.884467][ T5962] [ 133.884479][ T5962] dump_stack_lvl+0x189/0x250 [ 133.884510][ T5962] ? rcu_is_watching+0x15/0xb0 [ 133.884541][ T5962] ? __kasan_check_byte+0x12/0x40 [ 133.884575][ T5962] ? __pfx_dump_stack_lvl+0x10/0x10 [ 133.884601][ T5962] ? rcu_is_watching+0x15/0xb0 [ 133.884632][ T5962] ? lock_release+0x4b/0x3e0 [ 133.884660][ T5962] ? _raw_spin_lock_irqsave+0xb3/0xf0 [ 133.884689][ T5962] ? __virt_addr_valid+0x18c/0x540 [ 133.884714][ T5962] ? __virt_addr_valid+0x469/0x540 [ 133.884740][ T5962] print_report+0xb4/0x290 [ 133.884762][ T5962] ? dtInsertEntry+0xe9a/0x1430 [ 133.884788][ T5962] kasan_report+0x118/0x150 [ 133.884818][ T5962] ? lockdep_hardirqs_on+0x9c/0x150 [ 133.884843][ T5962] ? dtInsertEntry+0xe9a/0x1430 [ 133.884895][ T5962] dtInsertEntry+0xe9a/0x1430 [ 133.884936][ T5962] dtSplitPage+0x2a83/0x3b20 [ 133.884993][ T5962] dtInsert+0x109b/0x5f40 [ 133.885027][ T5962] ? txLockAlloc+0x239/0x380 [ 133.885050][ T5962] ? __pfx_txLockAlloc+0x10/0x10 [ 133.885076][ T5962] ? do_raw_spin_unlock+0x122/0x240 [ 133.885098][ T5962] ? __pfx_dtInsert+0x10/0x10 [ 133.885132][ T5962] ? txLock+0xfe0/0x1cb0 [ 133.885157][ T5962] ? __pfx_txLock+0x10/0x10 [ 133.885187][ T5962] jfs_create+0x6c8/0xa80 [ 133.885222][ T5962] ? __pfx_jfs_create+0x10/0x10 [ 133.885251][ T5962] ? __pfx_jfs_lookup+0x10/0x10 [ 133.885294][ T5962] ? generic_permission+0x2e5/0x690 [ 133.885320][ T5962] ? bpf_lsm_inode_create+0x9/0x20 [ 133.885342][ T5962] ? __pfx_jfs_create+0x10/0x10 [ 133.885371][ T5962] path_openat+0x14f1/0x3830 [ 133.885396][ T5962] ? arch_stack_walk+0xfc/0x150 [ 133.885439][ T5962] ? __pfx_path_openat+0x10/0x10 [ 133.885463][ T5962] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 133.885494][ T5962] do_filp_open+0x1fa/0x410 [ 133.885520][ T5962] ? __pfx_do_filp_open+0x10/0x10 [ 133.885557][ T5962] ? _raw_spin_unlock+0x28/0x50 [ 133.885577][ T5962] ? alloc_fd+0x64c/0x6c0 [ 133.885613][ T5962] do_sys_openat2+0x121/0x1c0 [ 133.885638][ T5962] ? __pfx_do_sys_openat2+0x10/0x10 [ 133.885664][ T5962] ? rcu_is_watching+0x15/0xb0 [ 133.885697][ T5962] __x64_sys_openat+0x138/0x170 [ 133.885723][ T5962] do_syscall_64+0xf6/0x210 [ 133.885750][ T5962] ? clear_bhb_loop+0x60/0xb0 [ 133.885774][ T5962] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 133.885794][ T5962] RIP: 0033:0x7f279f26cc49 [ 133.885821][ T5962] 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 [ 133.885840][ T5962] RSP: 002b:00007f279f221218 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 133.885869][ T5962] RAX: ffffffffffffffda RBX: 00007f279f2fa6a8 RCX: 00007f279f26cc49 [ 133.885885][ T5962] RDX: 000000000000275a RSI: 0000200000000040 RDI: 00000000ffffff9c [ 133.885899][ T5962] RBP: 00007f279f2fa6a0 R08: 0000000000000000 R09: 0000000000000000 [ 133.885912][ T5962] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f279f2c73f4 [ 133.885926][ T5962] R13: 0000200000000040 R14: 746174732e757063 R15: 0031656c69662f2e [ 133.885949][ T5962] [ 133.885956][ T5962] [ 134.205327][ T5962] Allocated by task 5962: [ 134.209656][ T5962] kasan_save_track+0x3e/0x80 [ 134.214344][ T5962] __kasan_slab_alloc+0x6c/0x80 [ 134.219203][ T5962] kmem_cache_alloc_lru_noprof+0x1c6/0x3d0 [ 134.225019][ T5962] jfs_alloc_inode+0x28/0x70 [ 134.229625][ T5962] alloc_inode+0x67/0x1b0 [ 134.233977][ T5962] iget_locked+0xf0/0x570 [ 134.238310][ T5962] jfs_iget+0x24/0x3e0 [ 134.242385][ T5962] jfs_lookup+0x1c5/0x380 [ 134.246732][ T5962] __lookup_slow+0x297/0x3d0 [ 134.251325][ T5962] lookup_slow+0x53/0x70 [ 134.255571][ T5962] walk_component+0x2d2/0x400 [ 134.260268][ T5962] path_lookupat+0x163/0x430 [ 134.264877][ T5962] filename_lookup+0x212/0x570 [ 134.269660][ T5962] user_path_at+0x3a/0x60 [ 134.273999][ T5962] __se_sys_chdir+0x91/0x280 [ 134.278590][ T5962] do_syscall_64+0xf6/0x210 [ 134.283100][ T5962] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 134.288994][ T5962] [ 134.291317][ T5962] The buggy address belongs to the object at ffff888070401ba8 [ 134.291317][ T5962] which belongs to the cache jfs_ip of size 2232 [ 134.305023][ T5962] The buggy address is located 20 bytes to the right of [ 134.305023][ T5962] allocated 2232-byte region [ffff888070401ba8, ffff888070402460) [ 134.319710][ T5962] [ 134.322034][ T5962] The buggy address belongs to the physical page: [ 134.328455][ T5962] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x70400 [ 134.337221][ T5962] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 134.345721][ T5962] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 134.353275][ T5962] page_type: f5(slab) [ 134.357267][ T5962] raw: 00fff00000000040 ffff88801b7cac80 dead000000000122 0000000000000000 [ 134.365850][ T5962] raw: 0000000000000000 00000000800d000d 00000000f5000000 0000000000000000 [ 134.374440][ T5962] head: 00fff00000000040 ffff88801b7cac80 dead000000000122 0000000000000000 [ 134.383112][ T5962] head: 0000000000000000 00000000800d000d 00000000f5000000 0000000000000000 [ 134.391803][ T5962] head: 00fff00000000003 ffffea0001c10001 00000000ffffffff 00000000ffffffff [ 134.400474][ T5962] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 134.409172][ T5962] page dumped because: kasan: bad access detected [ 134.415592][ T5962] page_owner tracks the page as allocated [ 134.421300][ T5962] page last allocated via order 3, migratetype Reclaimable, gfp_mask 0xd2050(__GFP_RECLAIMABLE|__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5964, tgid 5963 (syz-executor292), ts 133512763420, free_ts 29992231670 [ 134.444062][ T5962] post_alloc_hook+0x1d8/0x230 [ 134.448862][ T5962] get_page_from_freelist+0x21c7/0x22a0 [ 134.454417][ T5962] __alloc_frozen_pages_noprof+0x181/0x370 [ 134.460227][ T5962] alloc_pages_mpol+0x232/0x4a0 [ 134.465089][ T5962] allocate_slab+0x8a/0x3b0 [ 134.469684][ T5962] ___slab_alloc+0xbfc/0x1480 [ 134.474362][ T5962] kmem_cache_alloc_lru_noprof+0x288/0x3d0 [ 134.480180][ T5962] jfs_alloc_inode+0x28/0x70 [ 134.484778][ T5962] alloc_inode+0x67/0x1b0 [ 134.489132][ T5962] new_inode+0x22/0x170 [ 134.493286][ T5962] jfs_fill_super+0x569/0xd90 [ 134.497969][ T5962] get_tree_bdev_flags+0x40b/0x4d0 [ 134.503090][ T5962] vfs_get_tree+0x92/0x2b0 [ 134.507515][ T5962] do_new_mount+0x24a/0xa40 [ 134.512030][ T5962] __se_sys_mount+0x317/0x410 [ 134.516719][ T5962] do_syscall_64+0xf6/0x210 [ 134.521246][ T5962] page last free pid 1 tgid 1 stack trace: [ 134.527057][ T5962] __free_frozen_pages+0xb05/0xcd0 [ 134.532177][ T5962] free_contig_range+0x159/0x440 [ 134.537119][ T5962] destroy_args+0x86/0x460 [ 134.541561][ T5962] debug_vm_pgtable+0x3cf/0x410 [ 134.546413][ T5962] do_one_initcall+0x233/0x820 [ 134.551190][ T5962] do_initcall_level+0x137/0x1f0 [ 134.556129][ T5962] do_initcalls+0x69/0xd0 [ 134.560463][ T5962] kernel_init_freeable+0x3d9/0x570 [ 134.565666][ T5962] kernel_init+0x1d/0x1d0 [ 134.570005][ T5962] ret_from_fork+0x4b/0x80 [ 134.574420][ T5962] ret_from_fork_asm+0x1a/0x30 [ 134.579194][ T5962] [ 134.581518][ T5962] Memory state around the buggy address: [ 134.587147][ T5962] ffff888070402300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 134.595207][ T5962] ffff888070402380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 134.603268][ T5962] >ffff888070402400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [pid 5969] futex(0x7f279f2fa6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... set_robust_list resumed>) = 0 [pid 5969] <... futex resumed>) = 0 [pid 5965] mprotect(0x7f279f1e1000, 131072, PROT_READ|PROT_WRITE [pid 5969] futex(0x7f279f2fa6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5965] <... mprotect resumed>) = 0 [pid 5972] <... openat resumed>) = -1 EIO (Input/output error) [pid 5972] futex(0x7f279f2fa6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5972] futex(0x7f279f2fa6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5964] <... openat resumed>) = -1 EIO (Input/output error) [pid 5964] futex(0x7f279f2fa6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 134.611412][ T5962] ^ [ 134.619126][ T5962] ffff888070402480: fc fc fc fc fc fc fc fc fc fc fc fc 00 00 00 00 [ 134.627184][ T5962] ffff888070402500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 134.635238][ T5962] ================================================================== [ 134.703087][ T5962] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 134.710348][ T5962] CPU: 1 UID: 0 PID: 5962 Comm: syz-executor292 Not tainted 6.15.0-rc6-syzkaller-00085-gc94d59a126cb #0 PREEMPT(full) [ 134.722798][ T5962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 134.732918][ T5962] Call Trace: [ 134.736225][ T5962] [ 134.739184][ T5962] dump_stack_lvl+0x99/0x250 [ 134.743820][ T5962] ? __asan_memcpy+0x40/0x70 [ 134.748458][ T5962] ? __pfx_dump_stack_lvl+0x10/0x10 [ 134.753696][ T5962] ? __pfx__printk+0x10/0x10 [ 134.758341][ T5962] panic+0x2db/0x790 [ 134.762270][ T5962] ? __pfx_preempt_schedule+0x10/0x10 [ 134.767666][ T5962] ? __pfx_panic+0x10/0x10 [ 134.772105][ T5962] ? _raw_spin_unlock_irqrestore+0xfd/0x110 [ 134.778008][ T5962] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 134.784344][ T5962] ? dtInsertEntry+0xe9a/0x1430 [ 134.789206][ T5962] check_panic_on_warn+0x89/0xb0 [ 134.794172][ T5962] ? dtInsertEntry+0xe9a/0x1430 [ 134.799034][ T5962] end_report+0x78/0x160 [ 134.803289][ T5962] kasan_report+0x129/0x150 [ 134.807806][ T5962] ? lockdep_hardirqs_on+0x9c/0x150 [ 134.813020][ T5962] ? dtInsertEntry+0xe9a/0x1430 [ 134.817890][ T5962] dtInsertEntry+0xe9a/0x1430 [ 134.822595][ T5962] dtSplitPage+0x2a83/0x3b20 [ 134.827246][ T5962] dtInsert+0x109b/0x5f40 [ 134.831595][ T5962] ? txLockAlloc+0x239/0x380 [ 134.836194][ T5962] ? __pfx_txLockAlloc+0x10/0x10 [ 134.841141][ T5962] ? do_raw_spin_unlock+0x122/0x240 [ 134.846346][ T5962] ? __pfx_dtInsert+0x10/0x10 [ 134.851033][ T5962] ? txLock+0xfe0/0x1cb0 [ 134.855281][ T5962] ? __pfx_txLock+0x10/0x10 [ 134.859805][ T5962] jfs_create+0x6c8/0xa80 [ 134.864159][ T5962] ? __pfx_jfs_create+0x10/0x10 [ 134.869022][ T5962] ? __pfx_jfs_lookup+0x10/0x10 [ 134.873904][ T5962] ? generic_permission+0x2e5/0x690 [ 134.879113][ T5962] ? bpf_lsm_inode_create+0x9/0x20 [ 134.884230][ T5962] ? __pfx_jfs_create+0x10/0x10 [ 134.889101][ T5962] path_openat+0x14f1/0x3830 [ 134.893700][ T5962] ? arch_stack_walk+0xfc/0x150 [ 134.898571][ T5962] ? __pfx_path_openat+0x10/0x10 [ 134.903533][ T5962] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 134.909610][ T5962] do_filp_open+0x1fa/0x410 [ 134.914119][ T5962] ? __pfx_do_filp_open+0x10/0x10 [ 134.919164][ T5962] ? _raw_spin_unlock+0x28/0x50 [ 134.924017][ T5962] ? alloc_fd+0x64c/0x6c0 [ 134.928361][ T5962] do_sys_openat2+0x121/0x1c0 [ 134.933041][ T5962] ? __pfx_do_sys_openat2+0x10/0x10 [ 134.938246][ T5962] ? rcu_is_watching+0x15/0xb0 [ 134.943024][ T5962] __x64_sys_openat+0x138/0x170 [ 134.947888][ T5962] do_syscall_64+0xf6/0x210 [ 134.952401][ T5962] ? clear_bhb_loop+0x60/0xb0 [ 134.957087][ T5962] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 134.962987][ T5962] RIP: 0033:0x7f279f26cc49 [ 134.967410][ T5962] 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 [ 134.987021][ T5962] RSP: 002b:00007f279f221218 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 134.995462][ T5962] RAX: ffffffffffffffda RBX: 00007f279f2fa6a8 RCX: 00007f279f26cc49 [ 135.003436][ T5962] RDX: 000000000000275a RSI: 0000200000000040 RDI: 00000000ffffff9c [ 135.011409][ T5962] RBP: 00007f279f2fa6a0 R08: 0000000000000000 R09: 0000000000000000 [ 135.019384][ T5962] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f279f2c73f4 [ 135.027368][ T5962] R13: 0000200000000040 R14: 746174732e757063 R15: 0031656c69662f2e [ 135.035438][ T5962] [ 135.038784][ T5962] Kernel Offset: disabled [ 135.043115][ T5962] Rebooting in 86400 seconds..