./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1061279514 <...> Warning: Permanently added '10.128.0.64' (ED25519) to the list of known hosts. execve("./syz-executor1061279514", ["./syz-executor1061279514"], 0x7fffef3805b0 /* 10 vars */) = 0 brk(NULL) = 0x5555721e9000 brk(0x5555721e9e00) = 0x5555721e9e00 arch_prctl(ARCH_SET_FS, 0x5555721e9480) = 0 set_tid_address(0x5555721e9750) = 288 set_robust_list(0x5555721e9760, 24) = 0 rseq(0x5555721e9da0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1061279514", 4096) = 28 getrandom("\x91\xb4\x4d\xdf\xf0\x33\xa8\xeb", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555721e9e00 brk(0x55557220ae00) = 0x55557220ae00 brk(0x55557220b000) = 0x55557220b000 mprotect(0x7f087a970000, 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 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f087a8b42d0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f087a8b42d0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 289 ./strace-static-x86_64: Process 289 attached [pid 289] set_robust_list(0x5555721e9760, 24) = 0 [pid 289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 289] getppid() = 0 [pid 289] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 289] unshare(CLONE_NEWNS) = 0 [pid 289] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 289] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 289] unshare(CLONE_NEWCGROUP) = 0 [pid 289] unshare(CLONE_NEWUTS) = 0 [pid 289] unshare(CLONE_SYSVSEM) = 0 [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] getpid() = 1 [pid 289] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< {parent_tid=[3]}, 88) = 3 [pid 291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 291] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 291] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 291] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[4]}, 88) = 4 [pid 291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 291] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 293 attached [pid 293] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 30.268597][ T30] audit: type=1400 audit(1748612178.799:68): avc: denied { mounton } for pid=289 comm="syz-executor106" path="/root/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1 [pid 293] openat(AT_FDCWD, "/selinux/policy", O_RDONLY) = 3 [pid 293] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 291] <... futex resumed>) = 0 [pid 291] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... futex resumed>) = 1 [pid 293] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 293] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 291] <... futex resumed>) = 0 [pid 291] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... futex resumed>) = 1 [pid 293] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 293] mkdirat(AT_FDCWD, 0x200000000280, 0117) = 0 [pid 293] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 291] <... futex resumed>) = 0 [pid 291] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... futex resumed>) = 1 [pid 293] creat(0x200000000040, 000) = 4 [pid 293] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 291] <... futex resumed>) = 0 [pid 291] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... futex resumed>) = 1 [pid 293] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 293] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 291] <... futex resumed>) = 0 [pid 291] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... futex resumed>) = 1 [pid 293] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 293] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 291] <... futex resumed>) = 0 [pid 291] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... futex resumed>) = 1 [pid 293] write(5, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 293] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 291] <... futex resumed>) = 0 [pid 293] <... futex resumed>) = 1 [pid 293] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 292 attached [pid 292] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 292] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000002180} --- [pid 292] memfd_create("syzkaller", 0) = 6 [pid 292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 292] munmap(0x7f0872468000, 138412032) = 0 [ 30.324241][ T30] audit: type=1400 audit(1748612178.799:69): avc: denied { mount } for pid=289 comm="syz-executor106" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [pid 292] close(6) = 0 [pid 292] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 291] close(3 [pid 292] <... futex resumed>) = 0 [pid 291] <... close resumed>) = 0 [pid 292] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [ 30.365139][ T30] audit: type=1400 audit(1748612178.809:70): avc: denied { mounton } for pid=289 comm="syz-executor106" path="/root/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1 [pid 291] close(4) = 0 [pid 291] close(5) = 0 [pid 291] close(6) = -1 EBADF (Bad file descriptor) [pid 291] close(7) = -1 EBADF (Bad file descriptor) [pid 291] close(8) = -1 EBADF (Bad file descriptor) [pid 291] close(9) = -1 EBADF (Bad file descriptor) [pid 291] close(10) = -1 EBADF (Bad file descriptor) [pid 291] close(11) = -1 EBADF (Bad file descriptor) [pid 291] close(12) = -1 EBADF (Bad file descriptor) [pid 291] close(13) = -1 EBADF (Bad file descriptor) [pid 291] close(14) = -1 EBADF (Bad file descriptor) [pid 291] close(15) = -1 EBADF (Bad file descriptor) [pid 291] close(16) = -1 EBADF (Bad file descriptor) [pid 291] close(17) = -1 EBADF (Bad file descriptor) [pid 291] close(18) = -1 EBADF (Bad file descriptor) [pid 291] close(19) = -1 EBADF (Bad file descriptor) [pid 291] close(20) = -1 EBADF (Bad file descriptor) [pid 291] close(21) = -1 EBADF (Bad file descriptor) [pid 291] close(22) = -1 EBADF (Bad file descriptor) [pid 291] close(23) = -1 EBADF (Bad file descriptor) [pid 291] close(24) = -1 EBADF (Bad file descriptor) [pid 291] close(25) = -1 EBADF (Bad file descriptor) [pid 291] close(26) = -1 EBADF (Bad file descriptor) [pid 291] close(27) = -1 EBADF (Bad file descriptor) [pid 291] close(28) = -1 EBADF (Bad file descriptor) [pid 291] close(29) = -1 EBADF (Bad file descriptor) [pid 291] exit_group(0 [pid 293] <... futex resumed>) = ? [pid 292] <... futex resumed>) = ? [pid 291] <... exit_group resumed>) = ? [pid 293] +++ exited with 0 +++ [pid 292] +++ exited with 0 +++ [pid 291] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 5 ./strace-static-x86_64: Process 294 attached [pid 294] set_robust_list(0x5555721e9760, 24) = 0 [pid 294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 294] setpgid(0, 0) = 0 [pid 294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 294] write(3, "1000", 4) = 4 [pid 294] close(3) = 0 [pid 294] write(1, "executing program\n", 18executing program ) = 18 [pid 294] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 294] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 294] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 294] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[6]}, 88) = 6 [pid 294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 294] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 294] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 294] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[7]}, 88) = 7 [pid 294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 294] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 295 attached [pid 295] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 295] memfd_create("syzkaller", 0) = 3 [pid 295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 295] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 295] munmap(0x7f0872468000, 138412032) = 0 [ 30.433627][ T30] audit: type=1400 audit(1748612178.809:71): avc: denied { mounton } for pid=289 comm="syz-executor106" path="/root/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=450 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [pid 295] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 295] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 296 attached [pid 294] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 294] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a847000 [pid 294] mprotect(0x7f087a848000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 294] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a867990, parent_tid=0x7f087a867990, exit_signal=0, stack=0x7f087a847000, stack_size=0x20240, tls=0x7f087a8676c0} => {parent_tid=[8]}, 88) = 8 [pid 294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 294] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... ioctl resumed>) = 0 [pid 295] close(3) = 0 [ 30.478565][ T30] audit: type=1400 audit(1748612178.809:72): avc: denied { unmount } for pid=289 comm="syz-executor106" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 30.483006][ T295] loop0: detected capacity change from 0 to 256 [pid 295] close(4 [pid 296] set_robust_list(0x7f087a8889a0, 24./strace-static-x86_64: Process 297 attached ) = 0 [pid 297] set_robust_list(0x7f087a8679a0, 24 [pid 296] rt_sigprocmask(SIG_SETMASK, [], [pid 297] <... set_robust_list resumed>) = 0 [pid 296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [], [pid 296] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor) [pid 297] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 294] <... futex resumed>) = 0 [pid 297] mkdirat(AT_FDCWD, "./file0", 0117 [pid 294] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... mkdirat resumed>) = 0 [pid 294] <... futex resumed>) = 0 [pid 297] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... futex resumed>) = 0 [pid 294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] creat("./bus", 000 [pid 294] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... openat resumed>) = 3 [pid 296] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] <... creat resumed>) = 4 [pid 295] <... close resumed>) = 0 [pid 297] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 294] <... futex resumed>) = 0 [pid 297] futex(0x7f087a976628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 294] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... futex resumed>) = 0 [pid 296] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = 0 [pid 296] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = 0 [pid 294] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... futex resumed>) = 1 [pid 296] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 296] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = 0 [pid 294] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... futex resumed>) = 1 [pid 296] write(5, "\x23\x21\x20\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 [pid 295] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 30.511868][ T30] audit: type=1400 audit(1748612178.839:73): avc: denied { mounton } for pid=289 comm="syz-executor106" path="/dev/gadgetfs" dev="devtmpfs" ino=556 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [pid 295] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 296] <... write resumed>) = 131072 [pid 296] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = 0 [pid 296] <... futex resumed>) = 1 [ 30.596252][ T295] ======================================================= [ 30.596252][ T295] WARNING: The mand mount option has been deprecated and [ 30.596252][ T295] and is ignored by this kernel. Remove the mand [ 30.596252][ T295] option from the mount to silence this warning. [pid 296] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 295] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 295] ioctl(6, LOOP_CLR_FD) = 0 [pid 295] close(6) = 0 [pid 295] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 295] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] close(3) = 0 [pid 294] close(4) = 0 [ 30.596252][ T295] ======================================================= [ 30.653779][ T295] exFAT-fs (loop0): invalid boot record signature [ 30.665417][ T295] exFAT-fs (loop0): failed to read boot sector [ 30.683440][ T295] exFAT-fs (loop0): failed to recognize exfat type [pid 294] close(5) = 0 [pid 294] close(6) = -1 EBADF (Bad file descriptor) [pid 294] close(7) = -1 EBADF (Bad file descriptor) [pid 294] close(8) = -1 EBADF (Bad file descriptor) [pid 294] close(9) = -1 EBADF (Bad file descriptor) [pid 294] close(10) = -1 EBADF (Bad file descriptor) [pid 294] close(11) = -1 EBADF (Bad file descriptor) [pid 294] close(12) = -1 EBADF (Bad file descriptor) [pid 294] close(13) = -1 EBADF (Bad file descriptor) [pid 294] close(14) = -1 EBADF (Bad file descriptor) [pid 294] close(15) = -1 EBADF (Bad file descriptor) [pid 294] close(16) = -1 EBADF (Bad file descriptor) [pid 294] close(17) = -1 EBADF (Bad file descriptor) [pid 294] close(18) = -1 EBADF (Bad file descriptor) [pid 294] close(19) = -1 EBADF (Bad file descriptor) [pid 294] close(20) = -1 EBADF (Bad file descriptor) [pid 294] close(21) = -1 EBADF (Bad file descriptor) [pid 294] close(22) = -1 EBADF (Bad file descriptor) [pid 294] close(23) = -1 EBADF (Bad file descriptor) [pid 294] close(24) = -1 EBADF (Bad file descriptor) [pid 294] close(25) = -1 EBADF (Bad file descriptor) [pid 294] close(26) = -1 EBADF (Bad file descriptor) [pid 294] close(27) = -1 EBADF (Bad file descriptor) [pid 294] close(28) = -1 EBADF (Bad file descriptor) [pid 294] close(29) = -1 EBADF (Bad file descriptor) [pid 294] exit_group(0 [pid 297] <... futex resumed>) = ? [pid 296] <... futex resumed>) = ? [pid 294] <... exit_group resumed>) = ? [pid 297] +++ exited with 0 +++ [pid 296] +++ exited with 0 +++ [pid 295] <... futex resumed>) = ? [pid 295] +++ exited with 0 +++ [pid 294] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 9 ./strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x5555721e9760, 24) = 0 [pid 298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 298] setpgid(0, 0) = 0 [pid 298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 298] write(3, "1000", 4) = 4 [pid 298] close(3) = 0 [pid 298] write(1, "executing program\n", 18executing program ) = 18 [pid 298] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 298] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[10]}, 88) = 10 ./strace-static-x86_64: Process 299 attached [pid 298] rt_sigprocmask(SIG_SETMASK, [], [pid 299] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 299] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 298] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 299] <... futex resumed>) = 0 [pid 299] memfd_create("syzkaller", 0 [pid 298] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 298] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 299] <... memfd_create resumed>) = 3 [pid 298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} [pid 299] <... mmap resumed>) = 0x7f0872468000 ./strace-static-x86_64: Process 300 attached [pid 298] <... clone3 resumed> => {parent_tid=[11]}, 88) = 11 [pid 300] set_robust_list(0x7f087a8889a0, 24 [pid 298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 300] <... set_robust_list resumed>) = 0 [pid 300] rt_sigprocmask(SIG_SETMASK, [], [pid 298] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 298] <... futex resumed>) = 0 [pid 298] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... write resumed>) = 131072 [pid 300] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 299] munmap(0x7f0872468000, 138412032) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 299] ioctl(5, LOOP_SET_FD, 3 [pid 300] <... openat resumed>) = 4 [pid 300] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] <... futex resumed>) = 0 [pid 298] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 300] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 300] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] <... ioctl resumed>) = 0 [pid 299] close(3) = 0 [pid 298] <... futex resumed>) = 1 [pid 300] <... futex resumed>) = 0 [pid 298] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] close(5 [pid 298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 299] <... close resumed>) = 0 [pid 299] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 299] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 298] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... futex resumed>) = 0 [pid 300] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 299] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 300] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] <... futex resumed>) = 0 [pid 298] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] creat(0x200000000040, 000) = 3 [pid 299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 300] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] ioctl(5, LOOP_CLR_FD) = 0 [pid 300] <... futex resumed>) = 1 [pid 298] <... futex resumed>) = 0 [pid 298] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] close(5 [pid 300] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 299] <... close resumed>) = 0 [pid 300] <... mount resumed>) = 0 [pid 299] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 300] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] <... futex resumed>) = 0 [pid 300] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... futex resumed>) = 0 [pid 299] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 299] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] <... futex resumed>) = 0 [pid 298] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] write(5, 0x200000000080, 34136651) = 131072 [pid 299] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] <... futex resumed>) = 0 [pid 299] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] close(3) = 0 [pid 298] close(4) = 0 [ 30.772961][ T299] loop0: detected capacity change from 0 to 256 [pid 298] close(5) = 0 [pid 298] close(6) = -1 EBADF (Bad file descriptor) [pid 298] close(7) = -1 EBADF (Bad file descriptor) [pid 298] close(8) = -1 EBADF (Bad file descriptor) [pid 298] close(9) = -1 EBADF (Bad file descriptor) [pid 298] close(10) = -1 EBADF (Bad file descriptor) [pid 298] close(11) = -1 EBADF (Bad file descriptor) [pid 298] close(12) = -1 EBADF (Bad file descriptor) [pid 298] close(13) = -1 EBADF (Bad file descriptor) [pid 298] close(14) = -1 EBADF (Bad file descriptor) [pid 298] close(15) = -1 EBADF (Bad file descriptor) [pid 298] close(16) = -1 EBADF (Bad file descriptor) [pid 298] close(17) = -1 EBADF (Bad file descriptor) [pid 298] close(18) = -1 EBADF (Bad file descriptor) [pid 298] close(19) = -1 EBADF (Bad file descriptor) [pid 298] close(20) = -1 EBADF (Bad file descriptor) [pid 298] close(21) = -1 EBADF (Bad file descriptor) [pid 298] close(22) = -1 EBADF (Bad file descriptor) [pid 298] close(23) = -1 EBADF (Bad file descriptor) [pid 298] close(24) = -1 EBADF (Bad file descriptor) [pid 298] close(25) = -1 EBADF (Bad file descriptor) [pid 298] close(26) = -1 EBADF (Bad file descriptor) [pid 298] close(27) = -1 EBADF (Bad file descriptor) [pid 298] close(28) = -1 EBADF (Bad file descriptor) [pid 298] close(29) = -1 EBADF (Bad file descriptor) [pid 298] exit_group(0) = ? [pid 300] <... futex resumed>) = ? [pid 300] +++ exited with 0 +++ [pid 299] <... futex resumed>) = ? [pid 299] +++ exited with 0 +++ [pid 298] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 12 ./strace-static-x86_64: Process 301 attached [pid 301] set_robust_list(0x5555721e9760, 24) = 0 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 301] setpgid(0, 0) = 0 [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 301] write(3, "1000", 4) = 4 [pid 301] close(3) = 0 [pid 301] write(1, "executing program\n", 18executing program ) = 18 [pid 301] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 301] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[13]}, 88) = 13 [pid 301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 301] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 301] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 302 attached [pid 301] rt_sigprocmask(SIG_BLOCK, ~[], [pid 302] set_robust_list(0x7f087a8a99a0, 24 [pid 301] <... rt_sigprocmask resumed>[], 8) = 0 [pid 301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} [pid 302] <... set_robust_list resumed>) = 0 [pid 301] <... clone3 resumed> => {parent_tid=[14]}, 88) = 14 [pid 301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 301] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 303 attached [pid 303] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 303] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 302] memfd_create("syzkaller", 0) = 4 [pid 302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 302] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 302] munmap(0x7f0872468000, 138412032) = 0 [pid 302] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 302] ioctl(5, LOOP_SET_FD, 4 [pid 303] <... openat resumed>) = 3 [pid 303] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... futex resumed>) = 0 [pid 301] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 1 [pid 303] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 303] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... futex resumed>) = 0 [pid 301] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 1 [pid 303] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 303] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 303] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... futex resumed>) = 0 [pid 301] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 1 [pid 303] creat(0x200000000040, 000) = 6 [pid 303] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... futex resumed>) = 0 [pid 301] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 1 [pid 303] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 303] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... futex resumed>) = 0 [pid 301] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 1 [pid 303] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 303] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... futex resumed>) = 0 [pid 301] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 1 [pid 303] write(7, 0x200000000080, 34136651 [pid 302] <... ioctl resumed>) = 0 [pid 302] close(4) = 0 [pid 302] close(5) = 0 [pid 302] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 302] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 302] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 302] ioctl(4, LOOP_CLR_FD) = 0 [pid 302] close(4) = 0 [pid 302] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 303] <... write resumed>) = 131072 [pid 303] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 301] <... futex resumed>) = 0 [pid 303] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 301] close(3) = 0 [pid 301] close(4) = -1 EBADF (Bad file descriptor) [pid 301] close(5) = -1 EBADF (Bad file descriptor) [pid 301] close(6) = 0 [pid 301] close(7) = 0 [pid 301] close(8) = -1 EBADF (Bad file descriptor) [pid 301] close(9) = -1 EBADF (Bad file descriptor) [pid 301] close(10) = -1 EBADF (Bad file descriptor) [pid 301] close(11) = -1 EBADF (Bad file descriptor) [pid 301] close(12) = -1 EBADF (Bad file descriptor) [pid 301] close(13) = -1 EBADF (Bad file descriptor) [pid 301] close(14) = -1 EBADF (Bad file descriptor) [pid 301] close(15) = -1 EBADF (Bad file descriptor) [pid 301] close(16) = -1 EBADF (Bad file descriptor) [pid 301] close(17) = -1 EBADF (Bad file descriptor) [pid 301] close(18) = -1 EBADF (Bad file descriptor) [pid 301] close(19) = -1 EBADF (Bad file descriptor) [pid 301] close(20) = -1 EBADF (Bad file descriptor) [pid 301] close(21) = -1 EBADF (Bad file descriptor) [pid 301] close(22) = -1 EBADF (Bad file descriptor) [pid 301] close(23) = -1 EBADF (Bad file descriptor) [pid 301] close(24) = -1 EBADF (Bad file descriptor) [pid 301] close(25) = -1 EBADF (Bad file descriptor) [pid 301] close(26) = -1 EBADF (Bad file descriptor) [pid 301] close(27) = -1 EBADF (Bad file descriptor) [pid 301] close(28) = -1 EBADF (Bad file descriptor) [pid 301] close(29) = -1 EBADF (Bad file descriptor) [pid 301] exit_group(0 [pid 303] <... futex resumed>) = ? [pid 301] <... exit_group resumed>) = ? [pid 303] +++ exited with 0 +++ [pid 302] <... futex resumed>) = ? [pid 302] +++ exited with 0 +++ [pid 301] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [ 30.862631][ T302] loop0: detected capacity change from 0 to 256 [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 15 ./strace-static-x86_64: Process 305 attached [pid 305] set_robust_list(0x5555721e9760, 24) = 0 [pid 305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] setpgid(0, 0) = 0 [pid 305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "1000", 4) = 4 [pid 305] close(3) = 0 executing program [pid 305] write(1, "executing program\n", 18) = 18 [pid 305] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 305] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 306 attached => {parent_tid=[16]}, 88) = 16 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 305] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} [pid 306] set_robust_list(0x7f087a8a99a0, 24 [pid 305] <... clone3 resumed> => {parent_tid=[17]}, 88) = 17 ./strace-static-x86_64: Process 307 attached [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... set_robust_list resumed>) = 0 [pid 307] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], [pid 306] memfd_create("syzkaller", 0 [pid 307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 306] <... memfd_create resumed>) = 3 [pid 307] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 306] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 306] munmap(0x7f0872468000, 138412032) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 306] ioctl(5, LOOP_SET_FD, 3 [pid 307] <... openat resumed>) = 4 [pid 307] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 305] <... futex resumed>) = 0 [pid 307] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 306] <... ioctl resumed>) = 0 [pid 305] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] close(3 [pid 307] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 306] <... close resumed>) = 0 [pid 307] <... mmap resumed>) = 0x200000000000 [pid 306] close(5 [pid 307] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 307] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 307] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] creat(0x200000000040, 000 [pid 306] <... close resumed>) = 0 [pid 306] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 306] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [ 30.964688][ T306] loop0: detected capacity change from 0 to 256 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 305] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 305] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 305] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a847000 [pid 305] mprotect(0x7f087a848000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a867990, parent_tid=0x7f087a867990, exit_signal=0, stack=0x7f087a847000, stack_size=0x20240, tls=0x7f087a8676c0} => {parent_tid=[18]}, 88) = 18 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 308 attached [pid 308] set_robust_list(0x7f087a8679a0, 24) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 308] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] <... futex resumed>) = 1 [pid 308] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 307] <... creat resumed>) = 3 [pid 306] <... openat resumed>) = 5 [pid 307] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] ioctl(5, LOOP_CLR_FD [pid 307] <... futex resumed>) = 0 [pid 306] <... ioctl resumed>) = 0 [pid 307] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 306] close(5) = 0 [pid 306] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 306] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 308] <... open resumed>) = 6 [pid 308] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 308] futex(0x7f087a976628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... futex resumed>) = 0 [pid 305] <... futex resumed>) = 1 [pid 306] write(6, 0x200000000080, 34136651 [pid 305] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... write resumed>) = 131072 [pid 306] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 305] <... futex resumed>) = 0 [pid 306] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] close(3) = 0 [pid 305] close(4) = 0 [pid 305] close(5) = -1 EBADF (Bad file descriptor) [pid 305] close(6) = 0 [pid 305] close(7) = -1 EBADF (Bad file descriptor) [pid 305] close(8) = -1 EBADF (Bad file descriptor) [pid 305] close(9) = -1 EBADF (Bad file descriptor) [pid 305] close(10) = -1 EBADF (Bad file descriptor) [pid 305] close(11) = -1 EBADF (Bad file descriptor) [pid 305] close(12) = -1 EBADF (Bad file descriptor) [pid 305] close(13) = -1 EBADF (Bad file descriptor) [pid 305] close(14) = -1 EBADF (Bad file descriptor) [pid 305] close(15) = -1 EBADF (Bad file descriptor) [pid 305] close(16) = -1 EBADF (Bad file descriptor) [pid 305] close(17) = -1 EBADF (Bad file descriptor) [pid 305] close(18) = -1 EBADF (Bad file descriptor) [pid 305] close(19) = -1 EBADF (Bad file descriptor) [pid 305] close(20) = -1 EBADF (Bad file descriptor) [pid 305] close(21) = -1 EBADF (Bad file descriptor) [pid 305] close(22) = -1 EBADF (Bad file descriptor) [pid 305] close(23) = -1 EBADF (Bad file descriptor) [pid 305] close(24) = -1 EBADF (Bad file descriptor) [pid 305] close(25) = -1 EBADF (Bad file descriptor) [pid 305] close(26) = -1 EBADF (Bad file descriptor) [pid 305] close(27) = -1 EBADF (Bad file descriptor) [pid 305] close(28) = -1 EBADF (Bad file descriptor) [pid 305] close(29) = -1 EBADF (Bad file descriptor) [pid 305] exit_group(0 [pid 307] <... futex resumed>) = ? [pid 306] <... futex resumed>) = ? [pid 305] <... exit_group resumed>) = ? [pid 307] +++ exited with 0 +++ [pid 306] +++ exited with 0 +++ [pid 308] <... futex resumed>) = ? [pid 308] +++ exited with 0 +++ [pid 305] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 19 ./strace-static-x86_64: Process 309 attached [pid 309] set_robust_list(0x5555721e9760, 24) = 0 [pid 309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] setpgid(0, 0) = 0 [pid 309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] write(3, "1000", 4) = 4 [pid 309] close(3) = 0 [pid 309] write(1, "executing program\n", 18executing program ) = 18 [pid 309] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 309] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 309] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[20]}, 88) = 20 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 309] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 309] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[21]}, 88) = 21 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 309] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 310 attached [pid 310] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] memfd_create("syzkaller", 0) = 3 [pid 310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 310] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 310] munmap(0x7f0872468000, 138412032) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 310] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 311 attached [pid 311] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 311] openat(AT_FDCWD, "/selinux/policy", O_RDONLY) = 5 [pid 310] <... ioctl resumed>) = 0 [pid 310] close(3) = 0 [pid 310] close(4 [pid 311] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... futex resumed>) = 0 [pid 309] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 309] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... futex resumed>) = 1 [pid 311] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 311] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... futex resumed>) = 0 [pid 309] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 309] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... futex resumed>) = 1 [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 311] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 311] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... futex resumed>) = 0 [pid 309] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 309] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... futex resumed>) = 1 [pid 311] creat(0x200000000040, 000 [pid 310] <... close resumed>) = 0 [pid 310] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 310] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 311] <... creat resumed>) = 3 [pid 311] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 311] <... futex resumed>) = 1 [pid 309] <... futex resumed>) = 0 [pid 309] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 309] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 311] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 309] <... futex resumed>) = 0 [pid 309] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 309] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 311] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 309] <... futex resumed>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 309] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... openat resumed>) = 6 [pid 309] <... futex resumed>) = 0 [pid 310] ioctl(6, LOOP_CLR_FD [pid 309] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 310] <... ioctl resumed>) = 0 [pid 311] write(4, 0x200000000080, 34136651 [pid 310] close(6) = 0 [pid 310] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 310] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 311] <... write resumed>) = 131072 [ 31.131783][ T310] loop0: detected capacity change from 0 to 256 [pid 311] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... futex resumed>) = 0 [pid 309] close(3) = 0 [pid 309] close(4) = 0 [pid 309] close(5) = 0 [pid 309] close(6) = -1 EBADF (Bad file descriptor) [pid 309] close(7) = -1 EBADF (Bad file descriptor) [pid 309] close(8) = -1 EBADF (Bad file descriptor) [pid 309] close(9) = -1 EBADF (Bad file descriptor) [pid 309] close(10) = -1 EBADF (Bad file descriptor) [pid 309] close(11) = -1 EBADF (Bad file descriptor) [pid 309] close(12) = -1 EBADF (Bad file descriptor) [pid 309] close(13) = -1 EBADF (Bad file descriptor) [pid 309] close(14) = -1 EBADF (Bad file descriptor) [pid 309] close(15) = -1 EBADF (Bad file descriptor) [pid 309] close(16) = -1 EBADF (Bad file descriptor) [pid 309] close(17) = -1 EBADF (Bad file descriptor) [pid 309] close(18) = -1 EBADF (Bad file descriptor) [pid 309] close(19) = -1 EBADF (Bad file descriptor) [pid 309] close(20) = -1 EBADF (Bad file descriptor) [pid 309] close(21) = -1 EBADF (Bad file descriptor) [pid 309] close(22) = -1 EBADF (Bad file descriptor) [pid 309] close(23) = -1 EBADF (Bad file descriptor) [pid 309] close(24) = -1 EBADF (Bad file descriptor) [pid 309] close(25) = -1 EBADF (Bad file descriptor) [pid 309] close(26) = -1 EBADF (Bad file descriptor) [pid 309] close(27) = -1 EBADF (Bad file descriptor) [pid 309] close(28) = -1 EBADF (Bad file descriptor) [pid 309] close(29) = -1 EBADF (Bad file descriptor) [pid 309] exit_group(0 [pid 310] <... futex resumed>) = ? [pid 309] <... exit_group resumed>) = ? [pid 310] +++ exited with 0 +++ [pid 311] <... futex resumed>) = ? [pid 311] +++ exited with 0 +++ [pid 309] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 22 ./strace-static-x86_64: Process 312 attached [pid 312] set_robust_list(0x5555721e9760, 24) = 0 [pid 312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 312] setpgid(0, 0) = 0 [pid 312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 312] write(3, "1000", 4) = 4 [pid 312] close(3) = 0 [pid 312] write(1, "executing program\n", 18executing program ) = 18 [pid 312] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 312] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[23]}, 88) = 23 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 312] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[24]}, 88) = 24 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 314 attached [pid 314] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 314] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 313 attached [pid 313] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 313] memfd_create("syzkaller", 0) = 4 [pid 313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 313] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 313] munmap(0x7f0872468000, 138412032) = 0 [pid 313] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 314] <... openat resumed>) = 3 [pid 314] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 314] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 312] <... futex resumed>) = 0 [pid 312] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 312] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 314] <... futex resumed>) = 0 [pid 314] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 314] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... futex resumed>) = 0 [pid 312] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 314] <... futex resumed>) = 1 [pid 314] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 314] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 314] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... futex resumed>) = 0 [pid 312] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 314] <... futex resumed>) = 1 [pid 314] creat(0x200000000040, 000) = 6 [pid 314] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... futex resumed>) = 0 [pid 312] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 314] <... futex resumed>) = 1 [pid 314] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 314] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... futex resumed>) = 0 [pid 312] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 314] <... futex resumed>) = 1 [pid 314] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 314] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... futex resumed>) = 0 [pid 312] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 314] <... futex resumed>) = 1 [pid 314] write(7, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 314] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... futex resumed>) = 0 [pid 314] <... futex resumed>) = 1 [pid 314] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 313] <... openat resumed>) = 5 [pid 313] ioctl(5, LOOP_SET_FD, 4) = 0 [pid 313] close(4) = 0 [pid 313] close(5) = 0 [pid 313] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 313] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 313] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 313] ioctl(4, LOOP_CLR_FD) = 0 [pid 313] close(4) = 0 [pid 313] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 313] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 312] close(3) = 0 [pid 312] close(4) = -1 EBADF (Bad file descriptor) [pid 312] close(5) = -1 EBADF (Bad file descriptor) [pid 312] close(6) = 0 [pid 312] close(7) = 0 [pid 312] close(8) = -1 EBADF (Bad file descriptor) [pid 312] close(9) = -1 EBADF (Bad file descriptor) [pid 312] close(10) = -1 EBADF (Bad file descriptor) [pid 312] close(11) = -1 EBADF (Bad file descriptor) [pid 312] close(12) = -1 EBADF (Bad file descriptor) [pid 312] close(13) = -1 EBADF (Bad file descriptor) [pid 312] close(14) = -1 EBADF (Bad file descriptor) [pid 312] close(15) = -1 EBADF (Bad file descriptor) [pid 312] close(16) = -1 EBADF (Bad file descriptor) [pid 312] close(17) = -1 EBADF (Bad file descriptor) [pid 312] close(18) = -1 EBADF (Bad file descriptor) [pid 312] close(19) = -1 EBADF (Bad file descriptor) [pid 312] close(20) = -1 EBADF (Bad file descriptor) [pid 312] close(21) = -1 EBADF (Bad file descriptor) [pid 312] close(22) = -1 EBADF (Bad file descriptor) [pid 312] close(23) = -1 EBADF (Bad file descriptor) [pid 312] close(24) = -1 EBADF (Bad file descriptor) [pid 312] close(25) = -1 EBADF (Bad file descriptor) [pid 312] close(26) = -1 EBADF (Bad file descriptor) [pid 312] close(27) = -1 EBADF (Bad file descriptor) [pid 312] close(28) = -1 EBADF (Bad file descriptor) [pid 312] close(29) = -1 EBADF (Bad file descriptor) [pid 312] exit_group(0 [pid 314] <... futex resumed>) = 231 [pid 312] <... exit_group resumed>) = ? [pid 314] +++ exited with 0 +++ [pid 313] <... futex resumed>) = ? [pid 313] +++ exited with 0 +++ [pid 312] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 31.229573][ T313] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 25 ./strace-static-x86_64: Process 315 attached [pid 315] set_robust_list(0x5555721e9760, 24) = 0 [pid 315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 315] setpgid(0, 0) = 0 [pid 315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 315] write(3, "1000", 4) = 4 [pid 315] close(3) = 0 [pid 315] write(1, "executing program\n", 18executing program ) = 18 [pid 315] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 315] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 315] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 315] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[26]}, 88) = 26 [pid 315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 315] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 315] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 315] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[27]}, 88) = 27 [pid 315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 315] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 315] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 317 attached [pid 317] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 317] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 316 attached [pid 316] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 316] memfd_create("syzkaller", 0) = 4 [pid 316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 316] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 316] munmap(0x7f0872468000, 138412032) = 0 [pid 316] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 316] ioctl(5, LOOP_SET_FD, 4 [pid 317] <... openat resumed>) = 3 [pid 317] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 317] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 315] <... futex resumed>) = 0 [pid 315] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 315] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 317] <... futex resumed>) = 0 [pid 317] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 317] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 316] <... ioctl resumed>) = 0 [pid 316] close(4 [pid 317] <... futex resumed>) = 1 [pid 316] <... close resumed>) = 0 [pid 316] close(5 [pid 317] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 315] <... futex resumed>) = 0 [pid 315] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 315] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 317] <... futex resumed>) = 0 [pid 317] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 317] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 317] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 317] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 315] <... futex resumed>) = 0 [pid 315] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 315] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 317] <... futex resumed>) = 0 [pid 317] creat(0x200000000040, 000) = 4 [pid 316] <... close resumed>) = 0 [pid 316] mkdir(0x200000000240, 0777 [pid 317] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 316] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 315] <... futex resumed>) = 0 [pid 315] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 315] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 316] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 317] <... futex resumed>) = 1 [pid 316] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 317] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 316] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 317] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 315] <... futex resumed>) = 0 [pid 315] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 315] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 317] <... futex resumed>) = 1 [pid 316] ioctl(5, LOOP_CLR_FD [pid 317] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 316] <... ioctl resumed>) = 0 [pid 317] <... open resumed>) = 6 [pid 316] close(5) = 0 [pid 317] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 315] <... futex resumed>) = 0 [pid 315] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 315] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 316] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 1 [pid 316] <... futex resumed>) = 0 [pid 317] write(6, 0x200000000080, 34136651 [pid 316] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 317] <... write resumed>) = 131072 [pid 317] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 315] <... futex resumed>) = 0 [pid 315] close(3) = 0 [pid 315] close(4) = 0 [pid 315] close(5) = -1 EBADF (Bad file descriptor) [pid 315] close(6) = 0 [pid 315] close(7) = -1 EBADF (Bad file descriptor) [pid 315] close(8) = -1 EBADF (Bad file descriptor) [pid 315] close(9) = -1 EBADF (Bad file descriptor) [pid 315] close(10) = -1 EBADF (Bad file descriptor) [pid 315] close(11) = -1 EBADF (Bad file descriptor) [pid 315] close(12) = -1 EBADF (Bad file descriptor) [pid 315] close(13) = -1 EBADF (Bad file descriptor) [pid 315] close(14) = -1 EBADF (Bad file descriptor) [pid 315] close(15) = -1 EBADF (Bad file descriptor) [pid 315] close(16) = -1 EBADF (Bad file descriptor) [pid 315] close(17) = -1 EBADF (Bad file descriptor) [pid 315] close(18) = -1 EBADF (Bad file descriptor) [pid 315] close(19) = -1 EBADF (Bad file descriptor) [pid 315] close(20) = -1 EBADF (Bad file descriptor) [pid 315] close(21) = -1 EBADF (Bad file descriptor) [pid 315] close(22) = -1 EBADF (Bad file descriptor) [pid 315] close(23) = -1 EBADF (Bad file descriptor) [pid 315] close(24) = -1 EBADF (Bad file descriptor) [pid 315] close(25) = -1 EBADF (Bad file descriptor) [pid 315] close(26) = -1 EBADF (Bad file descriptor) [pid 315] close(27) = -1 EBADF (Bad file descriptor) [pid 315] close(28) = -1 EBADF (Bad file descriptor) [pid 315] close(29) = -1 EBADF (Bad file descriptor) [pid 315] exit_group(0) = ? [pid 316] <... futex resumed>) = ? [pid 316] +++ exited with 0 +++ [pid 317] <... futex resumed>) = ? [pid 317] +++ exited with 0 +++ [pid 315] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 31.384656][ T316] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 28 ./strace-static-x86_64: Process 318 attached [pid 318] set_robust_list(0x5555721e9760, 24) = 0 [pid 318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 318] setpgid(0, 0) = 0 [pid 318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 318] write(3, "1000", 4) = 4 [pid 318] close(3) = 0 executing program [pid 318] write(1, "executing program\n", 18) = 18 [pid 318] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 318] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 318] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 318] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 318] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 318] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[29]}, 88) = 29 [pid 318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 318] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 318] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 318] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 318] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 318] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[30]}, 88) = 30 [pid 318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 318] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 318] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 320 attached [pid 320] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 320] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 319 attached [pid 319] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 319] memfd_create("syzkaller", 0) = 4 [pid 319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 319] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 319] munmap(0x7f0872468000, 138412032) = 0 [pid 319] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 319] ioctl(5, LOOP_SET_FD, 4) = 0 [pid 319] close(4) = 0 [pid 319] close(5 [pid 320] <... openat resumed>) = 3 [pid 320] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 320] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 318] <... futex resumed>) = 0 [pid 318] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 318] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 320] <... futex resumed>) = 0 [pid 320] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 320] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 318] <... futex resumed>) = 0 [pid 318] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 318] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 320] <... futex resumed>) = 1 [pid 320] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 320] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 320] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 318] <... futex resumed>) = 0 [pid 318] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 318] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 320] <... futex resumed>) = 1 [pid 320] creat(0x200000000040, 000 [pid 319] <... close resumed>) = 0 [pid 319] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 319] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [ 31.460702][ T319] loop0: detected capacity change from 0 to 256 [pid 319] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 318] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 318] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 318] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a847000 [pid 318] mprotect(0x7f087a848000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 318] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 318] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a867990, parent_tid=0x7f087a867990, exit_signal=0, stack=0x7f087a847000, stack_size=0x20240, tls=0x7f087a8676c0}./strace-static-x86_64: Process 321 attached [pid 321] set_robust_list(0x7f087a8679a0, 24 [pid 318] <... clone3 resumed> => {parent_tid=[31]}, 88) = 31 [pid 318] rt_sigprocmask(SIG_SETMASK, [], [pid 321] <... set_robust_list resumed>) = 0 [pid 318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 321] rt_sigprocmask(SIG_SETMASK, [], [pid 318] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000 [pid 321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 318] <... futex resumed>) = 0 [pid 321] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 318] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 321] <... mount resumed>) = 0 [pid 321] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 318] <... futex resumed>) = 0 [pid 321] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 318] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 318] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 320] <... creat resumed>) = 4 [pid 319] <... openat resumed>) = 5 [pid 320] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 319] ioctl(5, LOOP_CLR_FD [pid 320] <... futex resumed>) = 0 [pid 319] <... ioctl resumed>) = 0 [pid 320] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 319] close(5) = 0 [pid 319] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 319] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 321] <... open resumed>) = 6 [pid 321] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000 [pid 318] <... futex resumed>) = 0 [pid 318] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 319] <... futex resumed>) = 0 [pid 318] <... futex resumed>) = 1 [pid 319] write(6, 0x200000000080, 34136651 [pid 318] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 321] <... futex resumed>) = 1 [pid 321] futex(0x7f087a976628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 319] <... write resumed>) = 131072 [pid 319] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 318] <... futex resumed>) = 0 [pid 319] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 318] close(3) = 0 [pid 318] close(4) = 0 [pid 318] close(5) = -1 EBADF (Bad file descriptor) [pid 318] close(6) = 0 [pid 318] close(7) = -1 EBADF (Bad file descriptor) [pid 318] close(8) = -1 EBADF (Bad file descriptor) [pid 318] close(9) = -1 EBADF (Bad file descriptor) [pid 318] close(10) = -1 EBADF (Bad file descriptor) [pid 318] close(11) = -1 EBADF (Bad file descriptor) [pid 318] close(12) = -1 EBADF (Bad file descriptor) [pid 318] close(13) = -1 EBADF (Bad file descriptor) [pid 318] close(14) = -1 EBADF (Bad file descriptor) [pid 318] close(15) = -1 EBADF (Bad file descriptor) [pid 318] close(16) = -1 EBADF (Bad file descriptor) [pid 318] close(17) = -1 EBADF (Bad file descriptor) [pid 318] close(18) = -1 EBADF (Bad file descriptor) [pid 318] close(19) = -1 EBADF (Bad file descriptor) [pid 318] close(20) = -1 EBADF (Bad file descriptor) [pid 318] close(21) = -1 EBADF (Bad file descriptor) [pid 318] close(22) = -1 EBADF (Bad file descriptor) [pid 318] close(23) = -1 EBADF (Bad file descriptor) [pid 318] close(24) = -1 EBADF (Bad file descriptor) [pid 318] close(25) = -1 EBADF (Bad file descriptor) [pid 318] close(26) = -1 EBADF (Bad file descriptor) [pid 318] close(27) = -1 EBADF (Bad file descriptor) [pid 318] close(28) = -1 EBADF (Bad file descriptor) [pid 318] close(29) = -1 EBADF (Bad file descriptor) [pid 318] exit_group(0 [pid 321] <... futex resumed>) = ? [pid 320] <... futex resumed>) = ? [pid 319] <... futex resumed>) = ? [pid 318] <... exit_group resumed>) = ? [pid 321] +++ exited with 0 +++ [pid 320] +++ exited with 0 +++ [pid 319] +++ exited with 0 +++ [pid 318] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x5555721e9750) = 32 ./strace-static-x86_64: Process 322 attached [pid 322] set_robust_list(0x5555721e9760, 24) = 0 [pid 322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 322] setpgid(0, 0) = 0 [pid 322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 322] write(3, "1000", 4) = 4 [pid 322] close(3) = 0 [pid 322] write(1, "executing program\n", 18) = 18 [pid 322] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 322] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 322] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 322] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 322] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[33]}, 88) = 33 [pid 322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 322] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 322] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 322] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 322] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[34]}, 88) = 34 [pid 322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 322] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 322] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 324 attached [pid 324] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 324] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 323 attached [pid 323] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 323] memfd_create("syzkaller", 0) = 4 [pid 323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 323] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 323] munmap(0x7f0872468000, 138412032) = 0 [pid 323] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 323] ioctl(5, LOOP_SET_FD, 4) = 0 [pid 323] close(4) = 0 [pid 323] close(5 [pid 324] <... openat resumed>) = 3 [pid 324] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 324] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 322] <... futex resumed>) = 0 [pid 322] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 322] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 324] <... futex resumed>) = 0 [pid 324] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 324] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 322] <... futex resumed>) = 0 [pid 322] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 322] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 324] <... futex resumed>) = 1 [pid 324] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 324] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 324] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 322] <... futex resumed>) = 0 [pid 322] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 322] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 324] <... futex resumed>) = 1 [pid 324] creat(0x200000000040, 000 [pid 323] <... close resumed>) = 0 [pid 323] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 323] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [ 31.622387][ T323] loop0: detected capacity change from 0 to 256 [pid 323] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 322] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 322] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a847000 [pid 322] mprotect(0x7f087a848000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 322] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a867990, parent_tid=0x7f087a867990, exit_signal=0, stack=0x7f087a847000, stack_size=0x20240, tls=0x7f087a8676c0} => {parent_tid=[35]}, 88) = 35 [pid 322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 322] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 322] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 325 attached [pid 325] set_robust_list(0x7f087a8679a0, 24) = 0 [pid 325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 325] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 325] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000 [pid 322] <... futex resumed>) = 0 [pid 322] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 322] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 325] <... futex resumed>) = 1 [pid 325] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 324] <... creat resumed>) = 4 [pid 324] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 324] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 323] <... openat resumed>) = 5 [pid 323] ioctl(5, LOOP_CLR_FD) = 0 [pid 323] close(5) = 0 [pid 323] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 325] <... open resumed>) = 6 [pid 325] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000 [pid 322] <... futex resumed>) = 0 [pid 322] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 322] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 323] <... futex resumed>) = 0 [pid 323] write(6, 0x200000000080, 34136651 [pid 325] <... futex resumed>) = 1 [pid 325] futex(0x7f087a976628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 323] <... write resumed>) = 131072 [pid 323] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 322] <... futex resumed>) = 0 [pid 322] close(3) = 0 [pid 322] close(4) = 0 [pid 322] close(5) = -1 EBADF (Bad file descriptor) [pid 322] close(6 [pid 323] <... futex resumed>) = 1 [pid 323] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 322] <... close resumed>) = 0 [pid 322] close(7) = -1 EBADF (Bad file descriptor) [pid 322] close(8) = -1 EBADF (Bad file descriptor) [pid 322] close(9) = -1 EBADF (Bad file descriptor) [pid 322] close(10) = -1 EBADF (Bad file descriptor) [pid 322] close(11) = -1 EBADF (Bad file descriptor) [pid 322] close(12) = -1 EBADF (Bad file descriptor) [pid 322] close(13) = -1 EBADF (Bad file descriptor) [pid 322] close(14) = -1 EBADF (Bad file descriptor) [pid 322] close(15) = -1 EBADF (Bad file descriptor) [pid 322] close(16) = -1 EBADF (Bad file descriptor) [pid 322] close(17) = -1 EBADF (Bad file descriptor) [pid 322] close(18) = -1 EBADF (Bad file descriptor) [pid 322] close(19) = -1 EBADF (Bad file descriptor) [pid 322] close(20) = -1 EBADF (Bad file descriptor) [pid 322] close(21) = -1 EBADF (Bad file descriptor) [pid 322] close(22) = -1 EBADF (Bad file descriptor) [pid 322] close(23) = -1 EBADF (Bad file descriptor) [pid 322] close(24) = -1 EBADF (Bad file descriptor) [pid 322] close(25) = -1 EBADF (Bad file descriptor) [pid 322] close(26) = -1 EBADF (Bad file descriptor) [pid 322] close(27) = -1 EBADF (Bad file descriptor) [pid 322] close(28) = -1 EBADF (Bad file descriptor) [pid 322] close(29) = -1 EBADF (Bad file descriptor) [pid 322] exit_group(0 [pid 325] <... futex resumed>) = ? [pid 324] <... futex resumed>) = ? [pid 322] <... exit_group resumed>) = ? [pid 325] +++ exited with 0 +++ [pid 324] +++ exited with 0 +++ [pid 323] <... futex resumed>) = ? [pid 323] +++ exited with 0 +++ [pid 322] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 36 ./strace-static-x86_64: Process 326 attached [pid 326] set_robust_list(0x5555721e9760, 24) = 0 [pid 326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 326] setpgid(0, 0) = 0 [pid 326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 326] write(3, "1000", 4) = 4 [pid 326] close(3) = 0 executing program [pid 326] write(1, "executing program\n", 18) = 18 [pid 326] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 326] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 326] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 326] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[37]}, 88) = 37 [pid 326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 326] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 326] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 326] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[38]}, 88) = 38 [pid 326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 326] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 327 attached [pid 327] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 327] memfd_create("syzkaller", 0) = 3 [pid 327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 ./strace-static-x86_64: Process 328 attached [pid 328] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 328] openat(AT_FDCWD, "/selinux/policy", O_RDONLY) = 4 [pid 327] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 327] munmap(0x7f0872468000, 138412032) = 0 [pid 327] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 327] ioctl(5, LOOP_SET_FD, 3 [pid 328] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 328] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 327] <... ioctl resumed>) = 0 [pid 326] <... futex resumed>) = 0 [pid 327] close(3 [pid 326] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 327] <... close resumed>) = 0 [pid 328] <... futex resumed>) = 0 [pid 328] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 327] close(5 [pid 326] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... mmap resumed>) = 0x200000000000 [pid 328] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 328] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 326] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] <... close resumed>) = 0 [pid 328] <... futex resumed>) = 0 [pid 327] mkdir(0x200000000240, 0777 [pid 326] <... futex resumed>) = 1 [pid 326] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 327] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 327] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 328] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 327] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 328] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 326] <... futex resumed>) = 0 [pid 326] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 327] <... openat resumed>) = 3 [pid 328] <... futex resumed>) = 1 [pid 328] creat(0x200000000040, 000 [pid 327] ioctl(3, LOOP_CLR_FD) = 0 [pid 328] <... creat resumed>) = 5 [pid 327] close(3 [pid 328] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] <... close resumed>) = 0 [pid 326] <... futex resumed>) = 0 [pid 326] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 326] <... futex resumed>) = 0 [pid 326] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 327] <... futex resumed>) = 0 [pid 328] <... futex resumed>) = 1 [pid 328] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 328] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 326] <... futex resumed>) = 0 [pid 326] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 327] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 3 [pid 328] <... futex resumed>) = 1 [pid 327] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 326] <... futex resumed>) = 0 [pid 327] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 326] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 326] <... futex resumed>) = 0 [pid 327] write(3, 0x200000000080, 34136651 [pid 326] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 327] <... write resumed>) = 131072 [pid 327] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 326] <... futex resumed>) = 0 [pid 326] close(3) = 0 [pid 326] close(4) = 0 [pid 326] close(5 [pid 327] <... futex resumed>) = 1 [ 31.783880][ T327] loop0: detected capacity change from 0 to 256 [pid 327] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 326] <... close resumed>) = 0 [pid 326] close(6) = -1 EBADF (Bad file descriptor) [pid 326] close(7) = -1 EBADF (Bad file descriptor) [pid 326] close(8) = -1 EBADF (Bad file descriptor) [pid 326] close(9) = -1 EBADF (Bad file descriptor) [pid 326] close(10) = -1 EBADF (Bad file descriptor) [pid 326] close(11) = -1 EBADF (Bad file descriptor) [pid 326] close(12) = -1 EBADF (Bad file descriptor) [pid 326] close(13) = -1 EBADF (Bad file descriptor) [pid 326] close(14) = -1 EBADF (Bad file descriptor) [pid 326] close(15) = -1 EBADF (Bad file descriptor) [pid 326] close(16) = -1 EBADF (Bad file descriptor) [pid 326] close(17) = -1 EBADF (Bad file descriptor) [pid 326] close(18) = -1 EBADF (Bad file descriptor) [pid 326] close(19) = -1 EBADF (Bad file descriptor) [pid 326] close(20) = -1 EBADF (Bad file descriptor) [pid 326] close(21) = -1 EBADF (Bad file descriptor) [pid 326] close(22) = -1 EBADF (Bad file descriptor) [pid 326] close(23) = -1 EBADF (Bad file descriptor) [pid 326] close(24) = -1 EBADF (Bad file descriptor) [pid 326] close(25) = -1 EBADF (Bad file descriptor) [pid 326] close(26) = -1 EBADF (Bad file descriptor) [pid 326] close(27) = -1 EBADF (Bad file descriptor) [pid 326] close(28) = -1 EBADF (Bad file descriptor) [pid 326] close(29) = -1 EBADF (Bad file descriptor) [pid 326] exit_group(0) = ? [pid 328] <... futex resumed>) = ? [pid 328] +++ exited with 0 +++ [pid 327] <... futex resumed>) = ? [pid 327] +++ exited with 0 +++ [pid 326] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 39 ./strace-static-x86_64: Process 329 attached [pid 329] set_robust_list(0x5555721e9760, 24) = 0 [pid 329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 329] setpgid(0, 0) = 0 [pid 329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 329] write(3, "1000", 4) = 4 [pid 329] close(3) = 0 [pid 329] write(1, "executing program\n", 18executing program ) = 18 [pid 329] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 329] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[40]}, 88) = 40 [pid 329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 329] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 329] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[41]}, 88) = 41 [pid 329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 329] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 330 attached [pid 330] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 330] memfd_create("syzkaller", 0) = 3 [pid 330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 330] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 330] munmap(0x7f0872468000, 138412032) = 0 [pid 330] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 330] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 331 attached [pid 331] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 331] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 330] <... ioctl resumed>) = 0 [pid 330] close(3) = 0 [pid 330] close(4) = 0 [pid 331] <... openat resumed>) = 5 [pid 330] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 330] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 331] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 331] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 331] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 331] <... futex resumed>) = 1 [pid 331] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 331] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 331] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 331] <... futex resumed>) = 1 [pid 331] creat(0x200000000040, 000) = 3 [pid 331] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 331] <... futex resumed>) = 1 [pid 331] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 331] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 331] <... futex resumed>) = 1 [pid 331] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 331] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 331] <... futex resumed>) = 1 [ 31.876480][ T330] loop0: detected capacity change from 0 to 256 [ 31.892160][ T330] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [pid 331] write(4, 0x200000000080, 34136651) = 131072 [pid 331] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 329] <... futex resumed>) = 0 [ 31.920992][ T330] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [ 31.941663][ T330] ================================================================================ [ 31.957521][ T330] UBSAN: shift-out-of-bounds in fs/exfat/super.c:520:38 [ 31.969775][ T330] shift exponent 121 is too large for 32-bit type 'int' [ 31.980303][ T330] CPU: 1 PID: 330 Comm: syz-executor106 Not tainted 5.15.184-syzkaller-00129-g4032a894ccb2 #0 [ 31.994439][ T330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 32.008237][ T330] Call Trace: [ 32.012395][ T330] [ 32.016242][ T330] __dump_stack+0x21/0x30 [ 32.022768][ T330] dump_stack_lvl+0xee/0x150 [ 32.028765][ T330] ? show_regs_print_info+0x20/0x20 [ 32.034562][ T330] dump_stack+0x15/0x20 [ 32.040035][ T330] ubsan_epilogue+0xe/0x40 [ 32.044762][ T330] __ubsan_handle_shift_out_of_bounds+0x37c/0x400 [ 32.056320][ T330] exfat_fill_super+0x2930/0x2d00 [ 32.063195][ T330] ? exfat_reconfigure+0x90/0x90 [ 32.071556][ T330] ? mutex_unlock+0x89/0x220 [ 32.079803][ T330] ? set_blocksize+0x1fc/0x380 [ 32.087894][ T330] ? sb_set_blocksize+0xaa/0xf0 [ 32.094244][ T330] get_tree_bdev+0x433/0x670 [ 32.099740][ T330] ? exfat_reconfigure+0x90/0x90 [ 32.107590][ T330] exfat_get_tree+0x1c/0x20 [ 32.114267][ T330] vfs_get_tree+0x89/0x260 [ 32.119864][ T330] do_new_mount+0x25a/0xa20 [ 32.125247][ T330] path_mount+0x675/0x1020 [ 32.131937][ T330] ? user_path_at_empty+0x161/0x1c0 [ 32.141967][ T330] __se_sys_mount+0x318/0x380 [ 32.148684][ T330] ? __x64_sys_mount+0xd0/0xd0 [ 32.155559][ T330] ? __kasan_check_write+0x14/0x20 [ 32.163254][ T330] __x64_sys_mount+0xbf/0xd0 [ 32.169976][ T330] x64_sys_call+0x6bf/0x9a0 [ 32.175779][ T330] do_syscall_64+0x4c/0xa0 [ 32.181135][ T330] ? clear_bhb_loop+0x50/0xa0 [ 32.188817][ T330] ? clear_bhb_loop+0x50/0xa0 [ 32.193927][ T330] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 32.202241][ T330] RIP: 0033:0x7f087a8ee68a [ 32.208019][ T330] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 8e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 32.232464][ T330] RSP: 002b:00007f087a8a8fd8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 32.244875][ T330] RAX: ffffffffffffffda RBX: 00007f087a8a8ff0 RCX: 00007f087a8ee68a [ 32.255129][ T330] RDX: 00002000000005c0 RSI: 0000200000000240 RDI: 00007f087a8a8ff0 [ 32.266897][ T330] RBP: 0000200000000240 R08: 00007f087a8a9030 R09: 00000000000014f8 [ 32.279131][ T330] R10: 0000000003000050 R11: 0000000000000286 R12: 00002000000005c0 [ 32.290662][ T330] R13: 00007f087a8a9030 R14: 0000000000000003 R15: 0000000003000050 [ 32.301202][ T330] [ 32.307102][ T330] ================================================================================ [ 32.318895][ T330] exFAT-fs (loop0): unable to set blocksize 33554432 [pid 331] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 330] <... mount resumed>) = -1 EIO (Input/output error) [pid 330] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 330] ioctl(6, LOOP_CLR_FD) = 0 [pid 330] close(6) = 0 [pid 330] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 330] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 329] close(3) = 0 [ 32.329423][ T330] exFAT-fs (loop0): failed to read boot sector [ 32.338521][ T330] exFAT-fs (loop0): failed to recognize exfat type [pid 329] close(4) = 0 [pid 329] close(5) = 0 [pid 329] close(6) = -1 EBADF (Bad file descriptor) [pid 329] close(7) = -1 EBADF (Bad file descriptor) [pid 329] close(8) = -1 EBADF (Bad file descriptor) [pid 329] close(9) = -1 EBADF (Bad file descriptor) [pid 329] close(10) = -1 EBADF (Bad file descriptor) [pid 329] close(11) = -1 EBADF (Bad file descriptor) [pid 329] close(12) = -1 EBADF (Bad file descriptor) [pid 329] close(13) = -1 EBADF (Bad file descriptor) [pid 329] close(14) = -1 EBADF (Bad file descriptor) [pid 329] close(15) = -1 EBADF (Bad file descriptor) [pid 329] close(16) = -1 EBADF (Bad file descriptor) [pid 329] close(17) = -1 EBADF (Bad file descriptor) [pid 329] close(18) = -1 EBADF (Bad file descriptor) [pid 329] close(19) = -1 EBADF (Bad file descriptor) [pid 329] close(20) = -1 EBADF (Bad file descriptor) [pid 329] close(21) = -1 EBADF (Bad file descriptor) [pid 329] close(22) = -1 EBADF (Bad file descriptor) [pid 329] close(23) = -1 EBADF (Bad file descriptor) [pid 329] close(24) = -1 EBADF (Bad file descriptor) [pid 329] close(25) = -1 EBADF (Bad file descriptor) [pid 329] close(26) = -1 EBADF (Bad file descriptor) [pid 329] close(27) = -1 EBADF (Bad file descriptor) [pid 329] close(28) = -1 EBADF (Bad file descriptor) [pid 329] close(29) = -1 EBADF (Bad file descriptor) [pid 329] exit_group(0 [pid 331] <... futex resumed>) = ? [pid 329] <... exit_group resumed>) = ? [pid 331] +++ exited with 0 +++ [pid 330] <... futex resumed>) = ? [pid 330] +++ exited with 0 +++ [pid 329] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=12} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 42 ./strace-static-x86_64: Process 332 attached [pid 332] set_robust_list(0x5555721e9760, 24) = 0 [pid 332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 332] setpgid(0, 0) = 0 [pid 332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 332] write(3, "1000", 4) = 4 [pid 332] close(3) = 0 [pid 332] write(1, "executing program\n", 18executing program ) = 18 [pid 332] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 332] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 332] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 332] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[43]}, 88) = 43 [pid 332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 332] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 332] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 332] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[44]}, 88) = 44 ./strace-static-x86_64: Process 334 attached ./strace-static-x86_64: Process 333 attached [pid 332] rt_sigprocmask(SIG_SETMASK, [], [pid 333] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 334] set_robust_list(0x7f087a8889a0, 24 [pid 332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 334] <... set_robust_list resumed>) = 0 [pid 333] memfd_create("syzkaller", 0) = 3 [pid 334] rt_sigprocmask(SIG_SETMASK, [], [pid 332] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 332] <... futex resumed>) = 0 [pid 334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 332] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 334] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 333] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 333] munmap(0x7f0872468000, 138412032) = 0 [pid 333] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 333] ioctl(5, LOOP_SET_FD, 3 [pid 334] <... openat resumed>) = 4 [pid 334] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 334] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 332] <... futex resumed>) = 0 [pid 332] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 332] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 334] <... futex resumed>) = 0 [pid 334] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 333] <... ioctl resumed>) = 0 [pid 333] close(3) = 0 [pid 333] close(5 [pid 334] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 334] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 332] <... futex resumed>) = 0 [pid 332] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 332] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 334] <... futex resumed>) = 0 [pid 334] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 334] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 334] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] <... futex resumed>) = 0 [pid 332] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 334] <... futex resumed>) = 1 [pid 334] creat(0x200000000040, 000 [pid 333] <... close resumed>) = 0 [pid 333] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 333] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 333] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 334] <... creat resumed>) = 3 [pid 334] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] <... futex resumed>) = 0 [pid 332] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 334] <... futex resumed>) = 1 [pid 334] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 333] <... openat resumed>) = 5 [pid 334] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [ 32.441555][ T333] loop0: detected capacity change from 0 to 256 [pid 333] ioctl(5, LOOP_CLR_FD [pid 332] <... futex resumed>) = 0 [pid 332] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 333] <... ioctl resumed>) = 0 [pid 334] <... futex resumed>) = 1 [pid 334] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 333] close(5 [pid 334] <... open resumed>) = 6 [pid 333] <... close resumed>) = 0 [pid 333] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 334] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 333] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 332] <... futex resumed>) = 0 [pid 332] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 334] <... futex resumed>) = 1 [pid 333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 334] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 333] write(6, 0x200000000080, 34136651) = 131072 [pid 333] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 332] <... futex resumed>) = 0 [pid 332] close(3) = 0 [pid 332] close(4) = 0 [pid 333] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 332] close(5) = -1 EBADF (Bad file descriptor) [pid 332] close(6) = 0 [pid 332] close(7) = -1 EBADF (Bad file descriptor) [pid 332] close(8) = -1 EBADF (Bad file descriptor) [pid 332] close(9) = -1 EBADF (Bad file descriptor) [pid 332] close(10) = -1 EBADF (Bad file descriptor) [pid 332] close(11) = -1 EBADF (Bad file descriptor) [pid 332] close(12) = -1 EBADF (Bad file descriptor) [pid 332] close(13) = -1 EBADF (Bad file descriptor) [pid 332] close(14) = -1 EBADF (Bad file descriptor) [pid 332] close(15) = -1 EBADF (Bad file descriptor) [pid 332] close(16) = -1 EBADF (Bad file descriptor) [pid 332] close(17) = -1 EBADF (Bad file descriptor) [pid 332] close(18) = -1 EBADF (Bad file descriptor) [pid 332] close(19) = -1 EBADF (Bad file descriptor) [pid 332] close(20) = -1 EBADF (Bad file descriptor) [pid 332] close(21) = -1 EBADF (Bad file descriptor) [pid 332] close(22) = -1 EBADF (Bad file descriptor) [pid 332] close(23) = -1 EBADF (Bad file descriptor) [pid 332] close(24) = -1 EBADF (Bad file descriptor) [pid 332] close(25) = -1 EBADF (Bad file descriptor) [pid 332] close(26) = -1 EBADF (Bad file descriptor) [pid 332] close(27) = -1 EBADF (Bad file descriptor) [pid 332] close(28) = -1 EBADF (Bad file descriptor) [pid 332] close(29) = -1 EBADF (Bad file descriptor) [pid 332] exit_group(0) = ? [pid 334] <... futex resumed>) = ? [pid 334] +++ exited with 0 +++ [pid 333] <... futex resumed>) = ? [pid 333] +++ exited with 0 +++ [pid 332] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWRexecuting program ) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 45 ./strace-static-x86_64: Process 335 attached [pid 335] set_robust_list(0x5555721e9760, 24) = 0 [pid 335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 335] setpgid(0, 0) = 0 [pid 335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 335] write(3, "1000", 4) = 4 [pid 335] close(3) = 0 [pid 335] write(1, "executing program\n", 18) = 18 [pid 335] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 335] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 335] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[46]}, 88) = 46 [pid 335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 335] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 335] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 335] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[47]}, 88) = 47 [pid 335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 335] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 337 attached [pid 337] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 337] openat(AT_FDCWD, "/selinux/policy", O_RDONLY) = 3 ./strace-static-x86_64: Process 336 attached [pid 336] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 336] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 336] memfd_create("syzkaller", 0) = 4 [pid 336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 336] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 336] munmap(0x7f0872468000, 138412032) = 0 [pid 336] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 336] ioctl(5, LOOP_SET_FD, 4 [pid 337] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 337] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 335] <... futex resumed>) = 0 [pid 335] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 335] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 337] <... futex resumed>) = 0 [pid 337] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 336] <... ioctl resumed>) = 0 [pid 336] close(4) = 0 [pid 336] close(5 [pid 337] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 337] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 335] <... futex resumed>) = 0 [pid 336] <... close resumed>) = 0 [pid 336] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 336] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 336] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 336] ioctl(4, LOOP_CLR_FD) = 0 [pid 336] close(4) = 0 [pid 336] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 336] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 335] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 336] <... futex resumed>) = 0 [pid 335] <... futex resumed>) = 1 [pid 335] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 336] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 336] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 335] <... futex resumed>) = 0 [pid 335] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 336] creat(0x200000000040, 000) = 4 [pid 336] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 335] <... futex resumed>) = 0 [pid 335] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 336] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 336] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 335] <... futex resumed>) = 0 [pid 335] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 336] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 336] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 335] <... futex resumed>) = 0 [pid 335] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 336] write(5, 0x200000000080, 34136651) = 131072 [pid 336] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 335] <... futex resumed>) = 0 [pid 335] close(3) = 0 [pid 335] close(4) = 0 [pid 336] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 335] close(5) = 0 [pid 335] close(6) = -1 EBADF (Bad file descriptor) [pid 335] close(7) = -1 EBADF (Bad file descriptor) [pid 335] close(8) = -1 EBADF (Bad file descriptor) [pid 335] close(9) = -1 EBADF (Bad file descriptor) [pid 335] close(10) = -1 EBADF (Bad file descriptor) [pid 335] close(11) = -1 EBADF (Bad file descriptor) [pid 335] close(12) = -1 EBADF (Bad file descriptor) [pid 335] close(13) = -1 EBADF (Bad file descriptor) [pid 335] close(14) = -1 EBADF (Bad file descriptor) [pid 335] close(15) = -1 EBADF (Bad file descriptor) [pid 335] close(16) = -1 EBADF (Bad file descriptor) [pid 335] close(17) = -1 EBADF (Bad file descriptor) [pid 335] close(18) = -1 EBADF (Bad file descriptor) [pid 335] close(19) = -1 EBADF (Bad file descriptor) [pid 335] close(20) = -1 EBADF (Bad file descriptor) [pid 335] close(21) = -1 EBADF (Bad file descriptor) [pid 335] close(22) = -1 EBADF (Bad file descriptor) [pid 335] close(23) = -1 EBADF (Bad file descriptor) [pid 335] close(24) = -1 EBADF (Bad file descriptor) [pid 335] close(25) = -1 EBADF (Bad file descriptor) [pid 335] close(26) = -1 EBADF (Bad file descriptor) [pid 335] close(27) = -1 EBADF (Bad file descriptor) [pid 335] close(28) = -1 EBADF (Bad file descriptor) [pid 335] close(29) = -1 EBADF (Bad file descriptor) [pid 335] exit_group(0) = ? [pid 337] <... futex resumed>) = ? [pid 337] +++ exited with 0 +++ [pid 336] <... futex resumed>) = ? [pid 336] +++ exited with 0 +++ [pid 335] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 32.571434][ T336] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 48 ./strace-static-x86_64: Process 338 attached [pid 338] set_robust_list(0x5555721e9760, 24) = 0 [pid 338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 338] setpgid(0, 0) = 0 [pid 338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 338] write(3, "1000", 4) = 4 [pid 338] close(3) = 0 executing program [pid 338] write(1, "executing program\n", 18) = 18 [pid 338] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 338] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 338] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 338] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[49]}, 88) = 49 [pid 338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 338] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 338] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 338] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[50]}, 88) = 50 [pid 338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 338] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 340 attached [pid 340] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 340] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 340] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 339 attached [pid 339] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 339] memfd_create("syzkaller", 0) = 4 [pid 339] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 339] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 339] munmap(0x7f0872468000, 138412032) = 0 [pid 339] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 339] ioctl(5, LOOP_SET_FD, 4 [pid 340] <... openat resumed>) = 3 [pid 340] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 338] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 340] <... futex resumed>) = 1 [pid 340] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 340] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 338] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 340] <... futex resumed>) = 1 [pid 340] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 340] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 340] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 338] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 340] <... futex resumed>) = 1 [pid 340] creat(0x200000000040, 000 [pid 339] <... ioctl resumed>) = 0 [pid 340] <... creat resumed>) = 6 [pid 340] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 338] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 340] <... futex resumed>) = 1 [pid 340] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 340] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 338] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 340] <... futex resumed>) = 1 [pid 340] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 340] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 338] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 340] <... futex resumed>) = 1 [pid 340] write(7, 0x200000000080, 34136651 [pid 339] close(4 [pid 340] <... write resumed>) = 131072 [pid 340] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 340] <... futex resumed>) = 1 [pid 340] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 339] <... close resumed>) = 0 [pid 339] close(5) = 0 [pid 339] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 339] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 339] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 339] ioctl(4, LOOP_CLR_FD) = 0 [pid 339] close(4) = 0 [pid 339] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 339] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 338] close(3) = 0 [pid 338] close(4) = -1 EBADF (Bad file descriptor) [pid 338] close(5) = -1 EBADF (Bad file descriptor) [pid 338] close(6) = 0 [pid 338] close(7) = 0 [pid 338] close(8) = -1 EBADF (Bad file descriptor) [pid 338] close(9) = -1 EBADF (Bad file descriptor) [pid 338] close(10) = -1 EBADF (Bad file descriptor) [pid 338] close(11) = -1 EBADF (Bad file descriptor) [pid 338] close(12) = -1 EBADF (Bad file descriptor) [pid 338] close(13) = -1 EBADF (Bad file descriptor) [pid 338] close(14) = -1 EBADF (Bad file descriptor) [pid 338] close(15) = -1 EBADF (Bad file descriptor) [pid 338] close(16) = -1 EBADF (Bad file descriptor) [pid 338] close(17) = -1 EBADF (Bad file descriptor) [pid 338] close(18) = -1 EBADF (Bad file descriptor) [pid 338] close(19) = -1 EBADF (Bad file descriptor) [pid 338] close(20) = -1 EBADF (Bad file descriptor) [pid 338] close(21) = -1 EBADF (Bad file descriptor) [pid 338] close(22) = -1 EBADF (Bad file descriptor) [pid 338] close(23) = -1 EBADF (Bad file descriptor) [pid 338] close(24) = -1 EBADF (Bad file descriptor) [pid 338] close(25) = -1 EBADF (Bad file descriptor) [pid 338] close(26) = -1 EBADF (Bad file descriptor) [pid 338] close(27) = -1 EBADF (Bad file descriptor) [pid 338] close(28) = -1 EBADF (Bad file descriptor) [pid 338] close(29) = -1 EBADF (Bad file descriptor) [pid 338] exit_group(0) = ? [pid 340] <... futex resumed>) = ? [pid 340] +++ exited with 0 +++ [pid 339] <... futex resumed>) = ? [pid 339] +++ exited with 0 +++ [pid 338] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 51 ./strace-static-x86_64: Process 341 attached [pid 341] set_robust_list(0x5555721e9760, 24) = 0 [pid 341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 341] setpgid(0, 0) = 0 [pid 341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 341] write(3, "1000", 4) = 4 [pid 341] close(3) = 0 executing program [pid 341] write(1, "executing program\n", 18) = 18 [pid 341] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 341] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 341] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[52]}, 88) = 52 [pid 341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 341] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 32.665208][ T339] loop0: detected capacity change from 0 to 256 [pid 341] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 341] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 341] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[53]}, 88) = 53 [pid 341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 341] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 342 attached [pid 342] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 342] memfd_create("syzkaller", 0) = 3 [pid 342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 342] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 342] munmap(0x7f0872468000, 138412032) = 0 [pid 342] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 342] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 343 attached [pid 343] set_robust_list(0x7f087a8889a0, 24 [pid 342] <... ioctl resumed>) = 0 [pid 343] <... set_robust_list resumed>) = 0 [pid 342] close(3 [pid 343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 342] <... close resumed>) = 0 [pid 343] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 342] close(4 [pid 343] <... openat resumed>) = 3 [pid 343] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] <... futex resumed>) = 0 [pid 341] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... futex resumed>) = 1 [pid 343] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 343] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] <... futex resumed>) = 0 [pid 341] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... futex resumed>) = 1 [pid 343] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 343] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 343] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] <... futex resumed>) = 0 [pid 341] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... futex resumed>) = 1 [pid 343] creat(0x200000000040, 000 [pid 342] <... close resumed>) = 0 [pid 343] <... creat resumed>) = 4 [pid 343] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] <... futex resumed>) = 0 [pid 341] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... futex resumed>) = 1 [pid 343] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 343] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] <... futex resumed>) = 0 [pid 341] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... futex resumed>) = 1 [pid 343] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 343] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] <... futex resumed>) = 0 [pid 341] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... futex resumed>) = 1 [pid 343] write(5, 0x200000000080, 34136651 [pid 342] mkdir(0x200000000240, 0777 [pid 343] <... write resumed>) = 131072 [pid 343] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] <... futex resumed>) = 0 [pid 343] <... futex resumed>) = 1 [pid 343] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 342] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 342] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 342] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 342] ioctl(6, LOOP_CLR_FD) = 0 [pid 342] close(6) = 0 [pid 342] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 342] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 341] close(3) = 0 [pid 341] close(4) = 0 [pid 341] close(5) = 0 [pid 341] close(6) = -1 EBADF (Bad file descriptor) [pid 341] close(7) = -1 EBADF (Bad file descriptor) [pid 341] close(8) = -1 EBADF (Bad file descriptor) [pid 341] close(9) = -1 EBADF (Bad file descriptor) [pid 341] close(10) = -1 EBADF (Bad file descriptor) [pid 341] close(11) = -1 EBADF (Bad file descriptor) [pid 341] close(12) = -1 EBADF (Bad file descriptor) [pid 341] close(13) = -1 EBADF (Bad file descriptor) [pid 341] close(14) = -1 EBADF (Bad file descriptor) [pid 341] close(15) = -1 EBADF (Bad file descriptor) [pid 341] close(16) = -1 EBADF (Bad file descriptor) [pid 341] close(17) = -1 EBADF (Bad file descriptor) [pid 341] close(18) = -1 EBADF (Bad file descriptor) [pid 341] close(19) = -1 EBADF (Bad file descriptor) [pid 341] close(20) = -1 EBADF (Bad file descriptor) [pid 341] close(21) = -1 EBADF (Bad file descriptor) [pid 341] close(22) = -1 EBADF (Bad file descriptor) [pid 341] close(23) = -1 EBADF (Bad file descriptor) [pid 341] close(24) = -1 EBADF (Bad file descriptor) [pid 341] close(25) = -1 EBADF (Bad file descriptor) [pid 341] close(26) = -1 EBADF (Bad file descriptor) [pid 341] close(27) = -1 EBADF (Bad file descriptor) [pid 341] close(28) = -1 EBADF (Bad file descriptor) [pid 341] close(29) = -1 EBADF (Bad file descriptor) [pid 341] exit_group(0) = ? [pid 342] <... futex resumed>) = ? [pid 343] <... futex resumed>) = ? [pid 342] +++ exited with 0 +++ [pid 343] +++ exited with 0 +++ [pid 341] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 32.734308][ T342] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 344 attached , child_tidptr=0x5555721e9750) = 54 [pid 344] set_robust_list(0x5555721e9760, 24) = 0 [pid 344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 344] setpgid(0, 0) = 0 [pid 344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 344] write(3, "1000", 4) = 4 [pid 344] close(3) = 0 [pid 344] write(1, "executing program\n", 18executing program ) = 18 [pid 344] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 344] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[55]}, 88) = 55 [pid 344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 344] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 344] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[56]}, 88) = 56 [pid 344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 344] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 346 attached [pid 346] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 346] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 345 attached [pid 345] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 345] memfd_create("syzkaller", 0) = 4 [pid 345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 345] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 345] munmap(0x7f0872468000, 138412032) = 0 [pid 345] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 345] ioctl(5, LOOP_SET_FD, 4 [pid 346] <... openat resumed>) = 3 [pid 346] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 346] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 344] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 346] <... futex resumed>) = 0 [pid 346] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 345] <... ioctl resumed>) = 0 [pid 346] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 345] close(4) = 0 [pid 345] close(5 [pid 346] <... futex resumed>) = 1 [pid 344] <... futex resumed>) = 0 [pid 345] <... close resumed>) = 0 [pid 345] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 345] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 345] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 345] ioctl(4, LOOP_CLR_FD) = 0 [pid 345] close(4 [pid 344] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 346] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 346] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 346] <... futex resumed>) = 1 [pid 344] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] creat(0x200000000040, 000 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 346] <... creat resumed>) = 4 [pid 345] <... close resumed>) = 0 [pid 345] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 345] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 346] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 345] <... futex resumed>) = 0 [pid 344] <... futex resumed>) = 1 [pid 345] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 344] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 345] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 344] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 345] <... futex resumed>) = 0 [pid 344] <... futex resumed>) = 1 [pid 345] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 345] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 345] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 344] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 344] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 345] <... futex resumed>) = 0 [pid 344] <... futex resumed>) = 1 [pid 345] write(5, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 345] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 345] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 344] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 344] close(3) = 0 [pid 344] close(4) = 0 [pid 344] close(5) = 0 [pid 344] close(6) = -1 EBADF (Bad file descriptor) [pid 344] close(7) = -1 EBADF (Bad file descriptor) [pid 344] close(8) = -1 EBADF (Bad file descriptor) [pid 344] close(9) = -1 EBADF (Bad file descriptor) [pid 344] close(10) = -1 EBADF (Bad file descriptor) [ 32.904808][ T345] loop0: detected capacity change from 0 to 256 [pid 344] close(11) = -1 EBADF (Bad file descriptor) [pid 344] close(12) = -1 EBADF (Bad file descriptor) [pid 344] close(13) = -1 EBADF (Bad file descriptor) [pid 344] close(14) = -1 EBADF (Bad file descriptor) [pid 344] close(15) = -1 EBADF (Bad file descriptor) [pid 344] close(16) = -1 EBADF (Bad file descriptor) [pid 344] close(17) = -1 EBADF (Bad file descriptor) [pid 344] close(18) = -1 EBADF (Bad file descriptor) [pid 344] close(19) = -1 EBADF (Bad file descriptor) [pid 344] close(20) = -1 EBADF (Bad file descriptor) [pid 344] close(21) = -1 EBADF (Bad file descriptor) [pid 344] close(22) = -1 EBADF (Bad file descriptor) [pid 344] close(23) = -1 EBADF (Bad file descriptor) [pid 344] close(24) = -1 EBADF (Bad file descriptor) [pid 344] close(25) = -1 EBADF (Bad file descriptor) [pid 344] close(26) = -1 EBADF (Bad file descriptor) [pid 344] close(27) = -1 EBADF (Bad file descriptor) [pid 344] close(28) = -1 EBADF (Bad file descriptor) [pid 344] close(29) = -1 EBADF (Bad file descriptor) [pid 344] exit_group(0 [pid 345] <... futex resumed>) = ? [pid 344] <... exit_group resumed>) = ? [pid 346] <... futex resumed>) = 231 [pid 345] +++ exited with 0 +++ [pid 346] +++ exited with 0 +++ [pid 344] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 57 ./strace-static-x86_64: Process 347 attached [pid 347] set_robust_list(0x5555721e9760, 24) = 0 [pid 347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 347] setpgid(0, 0) = 0 [pid 347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 347] write(3, "1000", 4) = 4 [pid 347] close(3) = 0 [pid 347] write(1, "executing program\n", 18executing program ) = 18 [pid 347] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 347] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 347] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[58]}, 88) = 58 [pid 347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 347] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 347] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 347] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[59]}, 88) = 59 [pid 347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 347] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 347] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 349 attached [pid 349] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 349] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 348 attached [pid 348] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 348] memfd_create("syzkaller", 0) = 4 [pid 348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 348] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 348] munmap(0x7f0872468000, 138412032) = 0 [pid 348] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 348] ioctl(5, LOOP_SET_FD, 4 [pid 349] <... openat resumed>) = 3 [pid 349] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 349] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 347] <... futex resumed>) = 0 [pid 347] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 347] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 349] <... futex resumed>) = 0 [pid 349] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 348] <... ioctl resumed>) = 0 [pid 349] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] close(4) = 0 [pid 348] close(5) = 0 [pid 347] <... futex resumed>) = 0 [pid 347] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 347] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 349] <... futex resumed>) = 1 [pid 348] mkdir(0x200000000240, 0777 [pid 349] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 348] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 348] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 349] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 348] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 349] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] <... openat resumed>) = 4 [pid 347] <... futex resumed>) = 0 [pid 347] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 347] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 349] <... futex resumed>) = 1 [pid 349] creat(0x200000000040, 000 [pid 348] ioctl(4, LOOP_CLR_FD [pid 349] <... creat resumed>) = 5 [pid 349] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] <... ioctl resumed>) = 0 [pid 349] <... futex resumed>) = 1 [pid 348] close(4 [pid 347] <... futex resumed>) = 0 [pid 347] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 349] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 347] <... futex resumed>) = 0 [pid 347] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 348] <... close resumed>) = 0 [pid 348] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 348] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 349] <... mount resumed>) = 0 [pid 349] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 349] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 347] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 348] <... futex resumed>) = 0 [pid 348] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 348] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 348] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 347] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 347] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 348] <... futex resumed>) = 0 [pid 347] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 348] write(4, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 348] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 348] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 347] <... futex resumed>) = 0 [pid 347] close(3) = 0 [pid 347] close(4) = 0 [pid 347] close(5) = 0 [pid 347] close(6) = -1 EBADF (Bad file descriptor) [pid 347] close(7) = -1 EBADF (Bad file descriptor) [pid 347] close(8) = -1 EBADF (Bad file descriptor) [pid 347] close(9) = -1 EBADF (Bad file descriptor) [pid 347] close(10) = -1 EBADF (Bad file descriptor) [pid 347] close(11) = -1 EBADF (Bad file descriptor) [pid 347] close(12) = -1 EBADF (Bad file descriptor) [pid 347] close(13) = -1 EBADF (Bad file descriptor) [pid 347] close(14) = -1 EBADF (Bad file descriptor) [pid 347] close(15) = -1 EBADF (Bad file descriptor) [pid 347] close(16) = -1 EBADF (Bad file descriptor) [pid 347] close(17) = -1 EBADF (Bad file descriptor) [pid 347] close(18) = -1 EBADF (Bad file descriptor) [pid 347] close(19) = -1 EBADF (Bad file descriptor) [pid 347] close(20) = -1 EBADF (Bad file descriptor) [pid 347] close(21) = -1 EBADF (Bad file descriptor) [pid 347] close(22) = -1 EBADF (Bad file descriptor) [pid 347] close(23) = -1 EBADF (Bad file descriptor) [pid 347] close(24) = -1 EBADF (Bad file descriptor) [pid 347] close(25) = -1 EBADF (Bad file descriptor) [pid 347] close(26) = -1 EBADF (Bad file descriptor) [pid 347] close(27) = -1 EBADF (Bad file descriptor) [pid 347] close(28) = -1 EBADF (Bad file descriptor) [pid 347] close(29) = -1 EBADF (Bad file descriptor) [pid 347] exit_group(0 [pid 349] <... futex resumed>) = ? [pid 347] <... exit_group resumed>) = ? [pid 349] +++ exited with 0 +++ [pid 348] <... futex resumed>) = ? [pid 348] +++ exited with 0 +++ [pid 347] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 60 ./strace-static-x86_64: Process 350 attached [pid 350] set_robust_list(0x5555721e9760, 24) = 0 [pid 350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 350] setpgid(0, 0) = 0 [pid 350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 350] write(3, "1000", 4) = 4 [pid 350] close(3) = 0 [pid 350] write(1, "executing program\n", 18) = 18 executing program [pid 350] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 350] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 350] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 350] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 351 attached => {parent_tid=[61]}, 88) = 61 [pid 351] set_robust_list(0x7f087a8a99a0, 24 [pid 350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 350] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 350] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 350] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 350] rt_sigprocmask(SIG_BLOCK, ~[], [pid 351] <... set_robust_list resumed>) = 0 [pid 350] <... rt_sigprocmask resumed>[], 8) = 0 [pid 350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} [pid 351] rt_sigprocmask(SIG_SETMASK, [], [pid 350] <... clone3 resumed> => {parent_tid=[62]}, 88) = 62 [pid 350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 350] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 350] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 352 attached [pid 352] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 352] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 352] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 351] memfd_create("syzkaller", 0) = 4 [pid 351] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 351] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 351] munmap(0x7f0872468000, 138412032) = 0 [pid 351] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [ 32.986869][ T348] loop0: detected capacity change from 0 to 256 [pid 351] ioctl(5, LOOP_SET_FD, 4 [pid 352] <... openat resumed>) = 3 [pid 352] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 350] <... futex resumed>) = 0 [pid 350] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 350] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 352] <... futex resumed>) = 1 [pid 352] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 352] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 350] <... futex resumed>) = 0 [pid 350] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 350] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 352] <... futex resumed>) = 1 [pid 352] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 352] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 352] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 350] <... futex resumed>) = 0 [pid 350] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 350] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 352] <... futex resumed>) = 1 [pid 352] creat(0x200000000040, 000) = 6 [pid 352] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 350] <... futex resumed>) = 0 [pid 350] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 350] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 352] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 352] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 350] <... futex resumed>) = 0 [pid 350] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 350] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 352] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 352] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 350] <... futex resumed>) = 0 [pid 350] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 350] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 352] write(7, 0x200000000080, 34136651) = 131072 [pid 352] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 350] <... futex resumed>) = 0 [pid 352] <... futex resumed>) = 1 [pid 352] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 351] <... ioctl resumed>) = 0 [pid 351] close(4) = 0 [pid 351] close(5) = 0 [pid 351] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 351] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 351] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 351] ioctl(4, LOOP_CLR_FD) = 0 [pid 351] close(4) = 0 [pid 351] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 351] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 350] close(3) = 0 [pid 350] close(4) = -1 EBADF (Bad file descriptor) [pid 350] close(5) = -1 EBADF (Bad file descriptor) [pid 350] close(6) = 0 [pid 350] close(7) = 0 [pid 350] close(8) = -1 EBADF (Bad file descriptor) [pid 350] close(9) = -1 EBADF (Bad file descriptor) [pid 350] close(10) = -1 EBADF (Bad file descriptor) [pid 350] close(11) = -1 EBADF (Bad file descriptor) [pid 350] close(12) = -1 EBADF (Bad file descriptor) [pid 350] close(13) = -1 EBADF (Bad file descriptor) [pid 350] close(14) = -1 EBADF (Bad file descriptor) [pid 350] close(15) = -1 EBADF (Bad file descriptor) [pid 350] close(16) = -1 EBADF (Bad file descriptor) [pid 350] close(17) = -1 EBADF (Bad file descriptor) [pid 350] close(18) = -1 EBADF (Bad file descriptor) [pid 350] close(19) = -1 EBADF (Bad file descriptor) [pid 350] close(20) = -1 EBADF (Bad file descriptor) [pid 350] close(21) = -1 EBADF (Bad file descriptor) [pid 350] close(22) = -1 EBADF (Bad file descriptor) [pid 350] close(23) = -1 EBADF (Bad file descriptor) [pid 350] close(24) = -1 EBADF (Bad file descriptor) [pid 350] close(25) = -1 EBADF (Bad file descriptor) [pid 350] close(26) = -1 EBADF (Bad file descriptor) [pid 350] close(27) = -1 EBADF (Bad file descriptor) [pid 350] close(28) = -1 EBADF (Bad file descriptor) [pid 350] close(29) = -1 EBADF (Bad file descriptor) [pid 350] exit_group(0 [pid 352] <... futex resumed>) = ? [pid 350] <... exit_group resumed>) = ? [pid 352] +++ exited with 0 +++ [pid 351] <... futex resumed>) = ? [pid 351] +++ exited with 0 +++ [pid 350] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 33.047650][ T351] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x5555721e9750) = 63 ./strace-static-x86_64: Process 353 attached [pid 353] set_robust_list(0x5555721e9760, 24) = 0 [pid 353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 353] setpgid(0, 0) = 0 [pid 353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 353] write(3, "1000", 4) = 4 [pid 353] close(3) = 0 [pid 353] write(1, "executing program\n", 18) = 18 [pid 353] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 353] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 353] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[64]}, 88) = 64 [pid 353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 353] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 354 attached [pid 353] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 354] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 354] memfd_create("syzkaller", 0) = 3 [pid 354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872489000 [pid 354] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 353] <... futex resumed>) = 0 [pid 354] <... write resumed>) = 131072 [pid 353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 354] munmap(0x7f0872489000, 138412032) = 0 [pid 354] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 354] ioctl(4, LOOP_SET_FD, 3 [pid 353] <... mmap resumed>) = 0x7f087a868000 [pid 353] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[65]}, 88) = 65 [pid 353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 353] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 353] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 355 attached [pid 354] <... ioctl resumed>) = 0 [pid 355] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 354] close(3 [pid 355] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 354] <... close resumed>) = 0 [pid 354] close(4) = 0 [pid 354] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 354] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 355] <... openat resumed>) = 3 [pid 355] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 355] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 353] <... futex resumed>) = 0 [pid 353] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 353] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 355] <... futex resumed>) = 0 [pid 355] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 355] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 353] <... futex resumed>) = 0 [pid 353] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 353] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 355] <... futex resumed>) = 1 [pid 355] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 355] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 355] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 353] <... futex resumed>) = 0 [pid 353] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 353] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 355] <... futex resumed>) = 1 [ 33.129406][ T354] loop0: detected capacity change from 0 to 256 [pid 355] creat(0x200000000040, 000 [pid 353] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 355] <... creat resumed>) = 4 [pid 353] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a847000 [pid 353] mprotect(0x7f087a848000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a867990, parent_tid=0x7f087a867990, exit_signal=0, stack=0x7f087a847000, stack_size=0x20240, tls=0x7f087a8676c0} => {parent_tid=[66]}, 88) = 66 [pid 353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 353] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 353] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 355] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 355] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 356 attached [pid 356] set_robust_list(0x7f087a8679a0, 24) = 0 [pid 356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 356] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 356] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000 [pid 353] <... futex resumed>) = 0 [pid 353] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 353] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 355] <... futex resumed>) = 0 [pid 355] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 355] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 353] <... futex resumed>) = 0 [pid 353] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 353] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 355] write(5, 0x200000000080, 34136651 [pid 356] <... futex resumed>) = 1 [pid 356] futex(0x7f087a976628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 355] <... write resumed>) = 131072 [pid 355] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 353] <... futex resumed>) = 0 [pid 355] <... futex resumed>) = 1 [ 33.201109][ T354] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 33.215686][ T354] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [ 33.229222][ T354] exFAT-fs (loop0): unable to set blocksize 33554432 [ 33.239803][ T354] exFAT-fs (loop0): failed to read boot sector [pid 355] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 354] <... mount resumed>) = -1 EIO (Input/output error) [pid 354] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 354] ioctl(6, LOOP_CLR_FD) = 0 [pid 354] close(6) = 0 [pid 354] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 354] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 353] close(3) = 0 [pid 353] close(4) = 0 [ 33.247200][ T354] exFAT-fs (loop0): failed to recognize exfat type [pid 353] close(5) = 0 [pid 353] close(6) = -1 EBADF (Bad file descriptor) [pid 353] close(7) = -1 EBADF (Bad file descriptor) [pid 353] close(8) = -1 EBADF (Bad file descriptor) [pid 353] close(9) = -1 EBADF (Bad file descriptor) [pid 353] close(10) = -1 EBADF (Bad file descriptor) [pid 353] close(11) = -1 EBADF (Bad file descriptor) [pid 353] close(12) = -1 EBADF (Bad file descriptor) [pid 353] close(13) = -1 EBADF (Bad file descriptor) [pid 353] close(14) = -1 EBADF (Bad file descriptor) [pid 353] close(15) = -1 EBADF (Bad file descriptor) [pid 353] close(16) = -1 EBADF (Bad file descriptor) [pid 353] close(17) = -1 EBADF (Bad file descriptor) [pid 353] close(18) = -1 EBADF (Bad file descriptor) [pid 353] close(19) = -1 EBADF (Bad file descriptor) [pid 353] close(20) = -1 EBADF (Bad file descriptor) [pid 353] close(21) = -1 EBADF (Bad file descriptor) [pid 353] close(22) = -1 EBADF (Bad file descriptor) [pid 353] close(23) = -1 EBADF (Bad file descriptor) [pid 353] close(24) = -1 EBADF (Bad file descriptor) [pid 353] close(25) = -1 EBADF (Bad file descriptor) [pid 353] close(26) = -1 EBADF (Bad file descriptor) [pid 353] close(27) = -1 EBADF (Bad file descriptor) [pid 353] close(28) = -1 EBADF (Bad file descriptor) [pid 353] close(29) = -1 EBADF (Bad file descriptor) [pid 353] exit_group(0 [pid 356] <... futex resumed>) = ? [pid 355] <... futex resumed>) = ? [pid 353] <... exit_group resumed>) = ? [pid 356] +++ exited with 0 +++ [pid 355] +++ exited with 0 +++ [pid 354] <... futex resumed>) = ? [pid 354] +++ exited with 0 +++ [pid 353] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 67 ./strace-static-x86_64: Process 357 attached [pid 357] set_robust_list(0x5555721e9760, 24) = 0 [pid 357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 357] setpgid(0, 0) = 0 [pid 357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 357] write(3, "1000", 4) = 4 [pid 357] close(3) = 0 [pid 357] write(1, "executing program\n", 18) = 18 [pid 357] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 357] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 357] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 357] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 357] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program [pid 357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[68]}, 88) = 68 [pid 357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 357] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 357] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 357] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 357] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[69]}, 88) = 69 [pid 357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 357] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 357] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 359 attached [pid 359] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 359] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 358 attached [pid 358] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 358] memfd_create("syzkaller", 0) = 4 [pid 358] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 358] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 358] munmap(0x7f0872468000, 138412032 [pid 359] <... openat resumed>) = 3 [pid 358] <... munmap resumed>) = 0 [pid 359] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 357] <... futex resumed>) = 0 [pid 357] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 357] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 359] <... futex resumed>) = 1 [pid 359] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 358] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 359] <... mmap resumed>) = 0x200000000000 [pid 358] ioctl(5, LOOP_SET_FD, 4 [pid 359] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 359] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 357] <... futex resumed>) = 0 [pid 359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 357] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 357] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 359] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 359] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 359] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 359] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 357] <... futex resumed>) = 0 [pid 357] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 359] <... futex resumed>) = 0 [pid 357] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 359] creat(0x200000000040, 000) = 6 [pid 358] <... ioctl resumed>) = 0 [pid 359] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 358] close(4 [pid 359] <... futex resumed>) = 1 [pid 357] <... futex resumed>) = 0 [pid 359] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 357] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 357] <... futex resumed>) = 0 [pid 359] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 357] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 359] <... mount resumed>) = 0 [pid 359] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 357] <... futex resumed>) = 0 [pid 359] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 357] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 359] <... open resumed>) = 7 [pid 357] <... futex resumed>) = 0 [pid 359] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 357] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 359] <... futex resumed>) = 0 [pid 357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 359] write(7, 0x200000000080, 34136651 [pid 357] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 358] <... close resumed>) = 0 [pid 357] <... futex resumed>) = 0 [pid 357] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 358] close(5 [pid 359] <... write resumed>) = 131072 [pid 358] <... close resumed>) = 0 [pid 359] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 357] <... futex resumed>) = 0 [pid 359] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 358] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 358] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 358] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 358] ioctl(4, LOOP_CLR_FD) = 0 [pid 358] close(4) = 0 [pid 358] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 358] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 357] close(3) = 0 [pid 357] close(4) = -1 EBADF (Bad file descriptor) [pid 357] close(5) = -1 EBADF (Bad file descriptor) [pid 357] close(6) = 0 [pid 357] close(7) = 0 [pid 357] close(8) = -1 EBADF (Bad file descriptor) [pid 357] close(9) = -1 EBADF (Bad file descriptor) [pid 357] close(10) = -1 EBADF (Bad file descriptor) [pid 357] close(11) = -1 EBADF (Bad file descriptor) [pid 357] close(12) = -1 EBADF (Bad file descriptor) [pid 357] close(13) = -1 EBADF (Bad file descriptor) [pid 357] close(14) = -1 EBADF (Bad file descriptor) [pid 357] close(15) = -1 EBADF (Bad file descriptor) [pid 357] close(16) = -1 EBADF (Bad file descriptor) [pid 357] close(17) = -1 EBADF (Bad file descriptor) [pid 357] close(18) = -1 EBADF (Bad file descriptor) [pid 357] close(19) = -1 EBADF (Bad file descriptor) [pid 357] close(20) = -1 EBADF (Bad file descriptor) [pid 357] close(21) = -1 EBADF (Bad file descriptor) [pid 357] close(22) = -1 EBADF (Bad file descriptor) [pid 357] close(23) = -1 EBADF (Bad file descriptor) [pid 357] close(24) = -1 EBADF (Bad file descriptor) [pid 357] close(25) = -1 EBADF (Bad file descriptor) [pid 357] close(26) = -1 EBADF (Bad file descriptor) [pid 357] close(27) = -1 EBADF (Bad file descriptor) [pid 357] close(28) = -1 EBADF (Bad file descriptor) [pid 357] close(29) = -1 EBADF (Bad file descriptor) [pid 357] exit_group(0 [pid 359] <... futex resumed>) = ? [pid 357] <... exit_group resumed>) = ? [pid 359] +++ exited with 0 +++ [pid 358] <... futex resumed>) = ? [pid 358] +++ exited with 0 +++ [pid 357] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 70 ./strace-static-x86_64: Process 360 attached [ 33.350851][ T358] loop0: detected capacity change from 0 to 256 [pid 360] set_robust_list(0x5555721e9760, 24) = 0 [pid 360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 360] setpgid(0, 0) = 0 [pid 360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 360] write(3, "1000", 4) = 4 [pid 360] close(3) = 0 [pid 360] write(1, "executing program\n", 18executing program ) = 18 [pid 360] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 360] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 360] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 360] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 361 attached [pid 361] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 361] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 360] <... clone3 resumed> => {parent_tid=[71]}, 88) = 71 [pid 360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 360] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 361] <... futex resumed>) = 0 [pid 360] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 361] memfd_create("syzkaller", 0) = 3 [pid 361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872489000 [pid 360] <... futex resumed>) = 0 [pid 360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0872468000 [pid 360] mprotect(0x7f0872469000, 131072, PROT_READ|PROT_WRITE [pid 361] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 360] <... mprotect resumed>) = 0 [pid 361] <... write resumed>) = 131072 [pid 360] rt_sigprocmask(SIG_BLOCK, ~[], [pid 361] munmap(0x7f0872489000, 138412032 [pid 360] <... rt_sigprocmask resumed>[], 8) = 0 [pid 361] <... munmap resumed>) = 0 [pid 361] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0872488990, parent_tid=0x7f0872488990, exit_signal=0, stack=0x7f0872468000, stack_size=0x20240, tls=0x7f08724886c0} [pid 361] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 362 attached [pid 360] <... clone3 resumed> => {parent_tid=[72]}, 88) = 72 [pid 360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 360] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 362] set_robust_list(0x7f08724889a0, 24) = 0 [pid 362] rt_sigprocmask(SIG_SETMASK, [], [pid 361] <... ioctl resumed>) = 0 [pid 362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 361] close(3) = 0 [pid 361] close(4) = 0 [pid 362] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 361] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 361] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 362] <... openat resumed>) = 3 [pid 362] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 362] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 360] <... futex resumed>) = 0 [pid 360] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 360] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 362] <... futex resumed>) = 0 [pid 362] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 362] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 360] <... futex resumed>) = 0 [pid 360] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 362] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 362] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 362] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 360] <... futex resumed>) = 0 [pid 360] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 362] <... futex resumed>) = 1 [pid 362] creat(0x200000000040, 000) = 4 [ 33.425520][ T361] loop0: detected capacity change from 0 to 256 [pid 362] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 362] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 360] <... futex resumed>) = 0 [pid 360] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 360] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 362] <... futex resumed>) = 0 [pid 362] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 362] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 360] <... futex resumed>) = 0 [pid 360] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 362] <... futex resumed>) = 1 [pid 362] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 362] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 360] <... futex resumed>) = 0 [pid 360] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 362] <... futex resumed>) = 1 [pid 362] write(5, 0x200000000080, 34136651) = 131072 [pid 362] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 360] <... futex resumed>) = 0 [pid 362] <... futex resumed>) = 1 [ 33.480522][ T361] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 33.493399][ T361] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [ 33.506054][ T361] exFAT-fs (loop0): unable to set blocksize 33554432 [pid 362] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 361] <... mount resumed>) = -1 EIO (Input/output error) [pid 361] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 361] ioctl(6, LOOP_CLR_FD) = 0 [pid 361] close(6) = 0 [pid 361] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 361] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 360] close(3) = 0 [pid 360] close(4) = 0 [ 33.519636][ T361] exFAT-fs (loop0): failed to read boot sector [ 33.533223][ T361] exFAT-fs (loop0): failed to recognize exfat type [pid 360] close(5) = 0 [pid 360] close(6) = -1 EBADF (Bad file descriptor) [pid 360] close(7) = -1 EBADF (Bad file descriptor) [pid 360] close(8) = -1 EBADF (Bad file descriptor) [pid 360] close(9) = -1 EBADF (Bad file descriptor) [pid 360] close(10) = -1 EBADF (Bad file descriptor) [pid 360] close(11) = -1 EBADF (Bad file descriptor) [pid 360] close(12) = -1 EBADF (Bad file descriptor) [pid 360] close(13) = -1 EBADF (Bad file descriptor) [pid 360] close(14) = -1 EBADF (Bad file descriptor) [pid 360] close(15) = -1 EBADF (Bad file descriptor) [pid 360] close(16) = -1 EBADF (Bad file descriptor) [pid 360] close(17) = -1 EBADF (Bad file descriptor) [pid 360] close(18) = -1 EBADF (Bad file descriptor) [pid 360] close(19) = -1 EBADF (Bad file descriptor) [pid 360] close(20) = -1 EBADF (Bad file descriptor) [pid 360] close(21) = -1 EBADF (Bad file descriptor) [pid 360] close(22) = -1 EBADF (Bad file descriptor) [pid 360] close(23) = -1 EBADF (Bad file descriptor) [pid 360] close(24) = -1 EBADF (Bad file descriptor) [pid 360] close(25) = -1 EBADF (Bad file descriptor) [pid 360] close(26) = -1 EBADF (Bad file descriptor) [pid 360] close(27) = -1 EBADF (Bad file descriptor) [pid 360] close(28) = -1 EBADF (Bad file descriptor) [pid 360] close(29) = -1 EBADF (Bad file descriptor) [pid 360] exit_group(0) = ? [pid 362] <... futex resumed>) = ? [pid 362] +++ exited with 0 +++ [pid 361] <... futex resumed>) = ? [pid 361] +++ exited with 0 +++ [pid 360] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 73 ./strace-static-x86_64: Process 363 attached [pid 363] set_robust_list(0x5555721e9760, 24) = 0 [pid 363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 363] setpgid(0, 0) = 0 [pid 363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 363] write(3, "1000", 4) = 4 [pid 363] close(3) = 0 [pid 363] write(1, "executing program\n", 18executing program ) = 18 [pid 363] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 363] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 363] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 364 attached => {parent_tid=[74]}, 88) = 74 [pid 364] set_robust_list(0x7f087a8a99a0, 24 [pid 363] rt_sigprocmask(SIG_SETMASK, [], [pid 364] <... set_robust_list resumed>) = 0 [pid 363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 363] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 363] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 363] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[75]}, 88) = 75 [pid 363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 363] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 364] memfd_create("syzkaller", 0) = 3 [pid 364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 ./strace-static-x86_64: Process 365 attached [pid 365] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 365] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 364] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 364] munmap(0x7f0872468000, 138412032) = 0 [pid 364] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 364] ioctl(5, LOOP_SET_FD, 3 [pid 365] <... openat resumed>) = 4 [pid 365] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 365] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 363] <... futex resumed>) = 0 [pid 363] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 363] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 365] <... futex resumed>) = 0 [pid 365] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 365] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... futex resumed>) = 0 [pid 363] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 365] <... futex resumed>) = 1 [pid 365] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 365] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 365] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... futex resumed>) = 0 [pid 363] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 365] <... futex resumed>) = 1 [pid 365] creat(0x200000000040, 000) = 6 [pid 365] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... futex resumed>) = 0 [pid 363] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 365] <... futex resumed>) = 1 [pid 365] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 365] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... futex resumed>) = 0 [pid 363] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 365] <... futex resumed>) = 1 [pid 365] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 365] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... futex resumed>) = 0 [pid 363] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 365] <... futex resumed>) = 1 [pid 364] <... ioctl resumed>) = 0 [pid 365] write(7, 0x200000000080, 34136651 [pid 364] close(3) = 0 [pid 364] close(5) = 0 [pid 364] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 364] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 364] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 364] ioctl(3, LOOP_CLR_FD) = 0 [pid 364] close(3) = 0 [pid 364] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 364] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 365] <... write resumed>) = 131072 [pid 365] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... futex resumed>) = 0 [pid 363] close(3) = -1 EBADF (Bad file descriptor) [pid 363] close(4) = 0 [pid 363] close(5) = -1 EBADF (Bad file descriptor) [pid 363] close(6) = 0 [pid 363] close(7 [pid 365] <... futex resumed>) = 1 [ 33.646891][ T364] loop0: detected capacity change from 0 to 256 [pid 365] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 363] <... close resumed>) = 0 [pid 363] close(8) = -1 EBADF (Bad file descriptor) [pid 363] close(9) = -1 EBADF (Bad file descriptor) [pid 363] close(10) = -1 EBADF (Bad file descriptor) [pid 363] close(11) = -1 EBADF (Bad file descriptor) [pid 363] close(12) = -1 EBADF (Bad file descriptor) [pid 363] close(13) = -1 EBADF (Bad file descriptor) [pid 363] close(14) = -1 EBADF (Bad file descriptor) [pid 363] close(15) = -1 EBADF (Bad file descriptor) [pid 363] close(16) = -1 EBADF (Bad file descriptor) [pid 363] close(17) = -1 EBADF (Bad file descriptor) [pid 363] close(18) = -1 EBADF (Bad file descriptor) [pid 363] close(19) = -1 EBADF (Bad file descriptor) [pid 363] close(20) = -1 EBADF (Bad file descriptor) [pid 363] close(21) = -1 EBADF (Bad file descriptor) [pid 363] close(22) = -1 EBADF (Bad file descriptor) [pid 363] close(23) = -1 EBADF (Bad file descriptor) [pid 363] close(24) = -1 EBADF (Bad file descriptor) [pid 363] close(25) = -1 EBADF (Bad file descriptor) [pid 363] close(26) = -1 EBADF (Bad file descriptor) [pid 363] close(27) = -1 EBADF (Bad file descriptor) [pid 363] close(28) = -1 EBADF (Bad file descriptor) [pid 363] close(29) = -1 EBADF (Bad file descriptor) [pid 363] exit_group(0) = ? [pid 364] <... futex resumed>) = ? [pid 364] +++ exited with 0 +++ [pid 365] <... futex resumed>) = ? [pid 365] +++ exited with 0 +++ [pid 363] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x5555721e9750) = 76 ./strace-static-x86_64: Process 366 attached [pid 366] set_robust_list(0x5555721e9760, 24) = 0 [pid 366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 366] setpgid(0, 0) = 0 [pid 366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 366] write(3, "1000", 4) = 4 [pid 366] close(3) = 0 [pid 366] write(1, "executing program\n", 18) = 18 [pid 366] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 366] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 366] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 366] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[77]}, 88) = 77 [pid 366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 366] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 366] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 366] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[78]}, 88) = 78 [pid 366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 366] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 368 attached [pid 368] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 368] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 367 attached [pid 367] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 367] memfd_create("syzkaller", 0) = 4 [pid 367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 367] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 367] munmap(0x7f0872468000, 138412032) = 0 [pid 367] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 368] <... openat resumed>) = 3 [pid 367] ioctl(5, LOOP_SET_FD, 4 [pid 368] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 368] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 366] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 368] <... futex resumed>) = 0 [pid 368] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 368] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] <... ioctl resumed>) = 0 [pid 367] close(4 [pid 368] <... futex resumed>) = 1 [pid 367] <... close resumed>) = 0 [pid 367] close(5 [pid 368] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 366] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 368] <... futex resumed>) = 0 [pid 368] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 368] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 368] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 368] creat(0x200000000040, 000 [pid 367] <... close resumed>) = 0 [pid 367] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 367] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [ 33.747570][ T367] loop0: detected capacity change from 0 to 256 [pid 367] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 366] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 366] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 366] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a847000 [pid 366] mprotect(0x7f087a848000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 366] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a867990, parent_tid=0x7f087a867990, exit_signal=0, stack=0x7f087a847000, stack_size=0x20240, tls=0x7f087a8676c0}./strace-static-x86_64: Process 369 attached => {parent_tid=[79]}, 88) = 79 [pid 366] rt_sigprocmask(SIG_SETMASK, [], [pid 369] set_robust_list(0x7f087a8679a0, 24 [pid 366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 366] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 369] <... set_robust_list resumed>) = 0 [pid 369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 369] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 369] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 369] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 368] <... creat resumed>) = 4 [pid 368] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 368] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 369] <... open resumed>) = 6 [pid 367] <... openat resumed>) = 5 [pid 367] ioctl(5, LOOP_CLR_FD) = 0 [pid 367] close(5) = 0 [pid 367] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 367] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 369] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] <... futex resumed>) = 0 [pid 366] <... futex resumed>) = 1 [pid 367] write(6, 0x200000000080, 34136651 [pid 366] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 369] futex(0x7f087a976628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 367] <... write resumed>) = 131072 [pid 367] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 366] <... futex resumed>) = 0 [pid 366] close(3) = 0 [pid 366] close(4) = 0 [pid 366] close(5) = -1 EBADF (Bad file descriptor) [pid 366] close(6) = 0 [pid 366] close(7) = -1 EBADF (Bad file descriptor) [pid 366] close(8) = -1 EBADF (Bad file descriptor) [pid 366] close(9) = -1 EBADF (Bad file descriptor) [pid 366] close(10) = -1 EBADF (Bad file descriptor) [pid 366] close(11) = -1 EBADF (Bad file descriptor) [pid 366] close(12) = -1 EBADF (Bad file descriptor) [pid 366] close(13 [pid 367] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 366] close(14) = -1 EBADF (Bad file descriptor) [pid 366] close(15) = -1 EBADF (Bad file descriptor) [pid 366] close(16) = -1 EBADF (Bad file descriptor) [pid 366] close(17) = -1 EBADF (Bad file descriptor) [pid 366] close(18) = -1 EBADF (Bad file descriptor) [pid 366] close(19) = -1 EBADF (Bad file descriptor) [pid 366] close(20) = -1 EBADF (Bad file descriptor) [pid 366] close(21) = -1 EBADF (Bad file descriptor) [pid 366] close(22) = -1 EBADF (Bad file descriptor) [pid 366] close(23) = -1 EBADF (Bad file descriptor) [pid 366] close(24) = -1 EBADF (Bad file descriptor) [pid 366] close(25) = -1 EBADF (Bad file descriptor) [pid 366] close(26) = -1 EBADF (Bad file descriptor) [pid 366] close(27) = -1 EBADF (Bad file descriptor) [pid 366] close(28) = -1 EBADF (Bad file descriptor) [pid 366] close(29) = -1 EBADF (Bad file descriptor) [pid 366] exit_group(0 [pid 368] <... futex resumed>) = ? [pid 367] <... futex resumed>) = ? [pid 366] <... exit_group resumed>) = ? [pid 368] +++ exited with 0 +++ [pid 369] <... futex resumed>) = 231 [pid 367] +++ exited with 0 +++ [pid 369] +++ exited with 0 +++ [pid 366] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 80 ./strace-static-x86_64: Process 370 attached [pid 370] set_robust_list(0x5555721e9760, 24) = 0 [pid 370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 370] setpgid(0, 0) = 0 [pid 370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 370] write(3, "1000", 4) = 4 [pid 370] close(3) = 0 [pid 370] write(1, "executing program\n", 18executing program ) = 18 [pid 370] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 370] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 370] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 370] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 370] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[81]}, 88) = 81 [pid 370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 370] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 370] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 370] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 371 attached [pid 370] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} [pid 371] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 372 attached [pid 370] <... clone3 resumed> => {parent_tid=[82]}, 88) = 82 [pid 372] set_robust_list(0x7f087a8889a0, 24 [pid 370] rt_sigprocmask(SIG_SETMASK, [], [pid 372] <... set_robust_list resumed>) = 0 [pid 370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 370] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] rt_sigprocmask(SIG_SETMASK, [], [pid 371] memfd_create("syzkaller", 0 [pid 370] <... futex resumed>) = 0 [pid 372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 370] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 371] <... memfd_create resumed>) = 3 [pid 371] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 371] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 371] munmap(0x7f0872468000, 138412032) = 0 [pid 371] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 371] ioctl(5, LOOP_SET_FD, 3 [pid 372] <... openat resumed>) = 4 [pid 372] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 370] <... futex resumed>) = 0 [pid 370] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 370] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... futex resumed>) = 1 [pid 372] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 372] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 370] <... futex resumed>) = 0 [pid 370] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 370] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... futex resumed>) = 1 [pid 372] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 372] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 372] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... ioctl resumed>) = 0 [pid 371] close(3) = 0 [pid 371] close(5) = 0 [pid 372] <... futex resumed>) = 1 [pid 370] <... futex resumed>) = 0 [pid 371] mkdir(0x200000000240, 0777 [pid 372] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 371] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 370] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 370] <... futex resumed>) = 1 [pid 372] <... futex resumed>) = 0 [pid 372] creat(0x200000000040, 000 [pid 370] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... creat resumed>) = 3 [pid 371] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 372] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... openat resumed>) = 5 [pid 372] <... futex resumed>) = 1 [pid 372] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] ioctl(5, LOOP_CLR_FD) = 0 [pid 371] close(5) = 0 [pid 371] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 370] <... futex resumed>) = 0 [pid 370] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 370] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 371] <... futex resumed>) = 0 [pid 371] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 371] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 370] <... futex resumed>) = 0 [pid 370] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 370] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 371] <... futex resumed>) = 1 [pid 371] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 371] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 370] <... futex resumed>) = 0 [pid 370] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 370] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 371] <... futex resumed>) = 1 [pid 371] write(5, 0x200000000080, 34136651) = 131072 [pid 371] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 370] <... futex resumed>) = 0 [pid 370] close(3 [pid 371] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 370] <... close resumed>) = 0 [pid 370] close(4) = 0 [ 33.893271][ T371] loop0: detected capacity change from 0 to 256 [pid 370] close(5) = 0 [pid 370] close(6) = -1 EBADF (Bad file descriptor) [pid 370] close(7) = -1 EBADF (Bad file descriptor) [pid 370] close(8) = -1 EBADF (Bad file descriptor) [pid 370] close(9) = -1 EBADF (Bad file descriptor) [pid 370] close(10) = -1 EBADF (Bad file descriptor) [pid 370] close(11) = -1 EBADF (Bad file descriptor) [pid 370] close(12) = -1 EBADF (Bad file descriptor) [pid 370] close(13) = -1 EBADF (Bad file descriptor) [pid 370] close(14) = -1 EBADF (Bad file descriptor) [pid 370] close(15) = -1 EBADF (Bad file descriptor) [pid 370] close(16) = -1 EBADF (Bad file descriptor) [pid 370] close(17) = -1 EBADF (Bad file descriptor) [pid 370] close(18) = -1 EBADF (Bad file descriptor) [pid 370] close(19) = -1 EBADF (Bad file descriptor) [pid 370] close(20) = -1 EBADF (Bad file descriptor) [pid 370] close(21) = -1 EBADF (Bad file descriptor) [pid 370] close(22) = -1 EBADF (Bad file descriptor) [pid 370] close(23) = -1 EBADF (Bad file descriptor) [pid 370] close(24) = -1 EBADF (Bad file descriptor) [pid 370] close(25) = -1 EBADF (Bad file descriptor) [pid 370] close(26) = -1 EBADF (Bad file descriptor) [pid 370] close(27) = -1 EBADF (Bad file descriptor) [pid 370] close(28) = -1 EBADF (Bad file descriptor) [pid 370] close(29) = -1 EBADF (Bad file descriptor) [pid 370] exit_group(0 [pid 371] <... futex resumed>) = ? [pid 370] <... exit_group resumed>) = ? [pid 371] +++ exited with 0 +++ [pid 372] <... futex resumed>) = ? [pid 372] +++ exited with 0 +++ [pid 370] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x5555721e9750) = 83 ./strace-static-x86_64: Process 373 attached [pid 373] set_robust_list(0x5555721e9760, 24) = 0 [pid 373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 373] setpgid(0, 0) = 0 [pid 373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 373] write(3, "1000", 4) = 4 [pid 373] close(3) = 0 [pid 373] write(1, "executing program\n", 18) = 18 [pid 373] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 373] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 373] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 373] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[84]}, 88) = 84 [pid 373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 373] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 373] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 373] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 373] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[85]}, 88) = 85 [pid 373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 373] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 373] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 375 attached [pid 375] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 375] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 375] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 374 attached [pid 374] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 374] memfd_create("syzkaller", 0) = 4 [pid 374] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 374] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 374] munmap(0x7f0872468000, 138412032) = 0 [pid 374] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 374] ioctl(5, LOOP_SET_FD, 4 [pid 375] <... openat resumed>) = 3 [pid 375] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 375] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 373] <... futex resumed>) = 0 [pid 373] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 373] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 375] <... futex resumed>) = 0 [pid 375] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 375] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 374] <... ioctl resumed>) = 0 [pid 375] <... futex resumed>) = 1 [pid 374] close(4) = 0 [pid 374] close(5 [pid 375] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 374] <... close resumed>) = 0 [pid 374] mkdir(0x200000000240, 0777 [pid 373] <... futex resumed>) = 0 [pid 374] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 374] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 374] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 374] ioctl(4, LOOP_CLR_FD) = 0 [pid 374] close(4) = 0 [pid 374] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 373] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 373] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] <... futex resumed>) = 0 [pid 374] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 374] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 373] <... futex resumed>) = 0 [pid 373] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 373] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] <... futex resumed>) = 1 [pid 374] creat(0x200000000040, 000) = 4 [pid 374] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 373] <... futex resumed>) = 0 [pid 373] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 373] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] <... futex resumed>) = 1 [pid 374] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 374] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 373] <... futex resumed>) = 0 [pid 373] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 373] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] <... futex resumed>) = 1 [pid 374] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 374] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 374] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 373] <... futex resumed>) = 0 [pid 373] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 373] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] <... futex resumed>) = 0 [pid 374] write(5, 0x200000000080, 34136651) = 131072 [pid 374] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 373] <... futex resumed>) = 0 [pid 373] close(3 [pid 374] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 373] <... close resumed>) = 0 [pid 373] close(4) = 0 [ 33.998710][ T374] loop0: detected capacity change from 0 to 256 [pid 373] close(5) = 0 [pid 373] close(6) = -1 EBADF (Bad file descriptor) [pid 373] close(7) = -1 EBADF (Bad file descriptor) [pid 373] close(8) = -1 EBADF (Bad file descriptor) [pid 373] close(9) = -1 EBADF (Bad file descriptor) [pid 373] close(10) = -1 EBADF (Bad file descriptor) [pid 373] close(11) = -1 EBADF (Bad file descriptor) [pid 373] close(12) = -1 EBADF (Bad file descriptor) [pid 373] close(13) = -1 EBADF (Bad file descriptor) [pid 373] close(14) = -1 EBADF (Bad file descriptor) [pid 373] close(15) = -1 EBADF (Bad file descriptor) [pid 373] close(16) = -1 EBADF (Bad file descriptor) [pid 373] close(17) = -1 EBADF (Bad file descriptor) [pid 373] close(18) = -1 EBADF (Bad file descriptor) [pid 373] close(19) = -1 EBADF (Bad file descriptor) [pid 373] close(20) = -1 EBADF (Bad file descriptor) [pid 373] close(21) = -1 EBADF (Bad file descriptor) [pid 373] close(22) = -1 EBADF (Bad file descriptor) [pid 373] close(23) = -1 EBADF (Bad file descriptor) [pid 373] close(24) = -1 EBADF (Bad file descriptor) [pid 373] close(25) = -1 EBADF (Bad file descriptor) [pid 373] close(26) = -1 EBADF (Bad file descriptor) [pid 373] close(27) = -1 EBADF (Bad file descriptor) [pid 373] close(28) = -1 EBADF (Bad file descriptor) [pid 373] close(29) = -1 EBADF (Bad file descriptor) [pid 373] exit_group(0) = ? [pid 375] <... futex resumed>) = ? [pid 375] +++ exited with 0 +++ [pid 374] <... futex resumed>) = ? [pid 374] +++ exited with 0 +++ [pid 373] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 86 ./strace-static-x86_64: Process 376 attached [pid 376] set_robust_list(0x5555721e9760, 24) = 0 [pid 376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 376] setpgid(0, 0) = 0 [pid 376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 376] write(3, "1000", 4) = 4 [pid 376] close(3) = 0 [pid 376] write(1, "executing program\n", 18executing program ) = 18 [pid 376] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 376] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 376] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 376] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[87]}, 88) = 87 ./strace-static-x86_64: Process 377 attached [pid 376] rt_sigprocmask(SIG_SETMASK, [], [pid 377] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 377] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 377] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 376] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 377] <... futex resumed>) = 0 [pid 377] memfd_create("syzkaller", 0) = 3 [pid 377] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872489000 [pid 376] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0872468000 [pid 376] mprotect(0x7f0872469000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 376] rt_sigprocmask(SIG_BLOCK, ~[], [pid 377] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 376] <... rt_sigprocmask resumed>[], 8) = 0 [pid 377] <... write resumed>) = 131072 [pid 377] munmap(0x7f0872489000, 138412032 [pid 376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0872488990, parent_tid=0x7f0872488990, exit_signal=0, stack=0x7f0872468000, stack_size=0x20240, tls=0x7f08724886c0} [pid 377] <... munmap resumed>) = 0 [pid 377] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 378 attached [pid 376] <... clone3 resumed> => {parent_tid=[88]}, 88) = 88 [pid 377] <... openat resumed>) = 4 [pid 378] set_robust_list(0x7f08724889a0, 24 [pid 376] rt_sigprocmask(SIG_SETMASK, [], [pid 377] ioctl(4, LOOP_SET_FD, 3 [pid 378] <... set_robust_list resumed>) = 0 [pid 376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 376] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 378] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 376] <... futex resumed>) = 0 [pid 377] <... ioctl resumed>) = 0 [pid 376] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] <... openat resumed>) = 5 [pid 378] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 376] <... futex resumed>) = 0 [pid 376] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 376] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 378] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 376] <... futex resumed>) = 0 [pid 376] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 376] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 378] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 378] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 376] <... futex resumed>) = 0 [pid 377] close(3 [pid 376] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 377] <... close resumed>) = 0 [pid 376] <... futex resumed>) = 0 [pid 376] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] creat(0x200000000040, 000) = 3 [pid 378] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 376] <... futex resumed>) = 0 [pid 378] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 376] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 376] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] <... mount resumed>) = 0 [pid 377] close(4 [pid 378] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 376] <... futex resumed>) = 0 [pid 377] <... close resumed>) = 0 [pid 376] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 376] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 378] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 376] <... futex resumed>) = 0 [pid 378] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 376] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 376] <... futex resumed>) = 0 [pid 376] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] write(4, 0x200000000080, 34136651 [pid 377] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 377] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 377] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 377] ioctl(6, LOOP_CLR_FD) = 0 [pid 378] <... write resumed>) = 131072 [pid 378] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 376] <... futex resumed>) = 0 [pid 378] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 377] close(6) = 0 [pid 377] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 376] close(3 [pid 377] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 376] <... close resumed>) = 0 [pid 376] close(4) = 0 [pid 376] close(5) = 0 [pid 376] close(6) = -1 EBADF (Bad file descriptor) [pid 376] close(7) = -1 EBADF (Bad file descriptor) [pid 376] close(8) = -1 EBADF (Bad file descriptor) [pid 376] close(9) = -1 EBADF (Bad file descriptor) [pid 376] close(10) = -1 EBADF (Bad file descriptor) [pid 376] close(11) = -1 EBADF (Bad file descriptor) [pid 376] close(12) = -1 EBADF (Bad file descriptor) [pid 376] close(13) = -1 EBADF (Bad file descriptor) [pid 376] close(14) = -1 EBADF (Bad file descriptor) [pid 376] close(15) = -1 EBADF (Bad file descriptor) [pid 376] close(16) = -1 EBADF (Bad file descriptor) [pid 376] close(17) = -1 EBADF (Bad file descriptor) [pid 376] close(18) = -1 EBADF (Bad file descriptor) [pid 376] close(19) = -1 EBADF (Bad file descriptor) [pid 376] close(20) = -1 EBADF (Bad file descriptor) [pid 376] close(21) = -1 EBADF (Bad file descriptor) [pid 376] close(22) = -1 EBADF (Bad file descriptor) [pid 376] close(23) = -1 EBADF (Bad file descriptor) [pid 376] close(24) = -1 EBADF (Bad file descriptor) [pid 376] close(25) = -1 EBADF (Bad file descriptor) [pid 376] close(26) = -1 EBADF (Bad file descriptor) [pid 376] close(27) = -1 EBADF (Bad file descriptor) [pid 376] close(28) = -1 EBADF (Bad file descriptor) [pid 376] close(29) = -1 EBADF (Bad file descriptor) [pid 376] exit_group(0) = ? [pid 378] <... futex resumed>) = ? [pid 377] <... futex resumed>) = ? [pid 377] +++ exited with 0 +++ [pid 378] +++ exited with 0 +++ [pid 376] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 34.085289][ T377] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 89 ./strace-static-x86_64: Process 379 attached [pid 379] set_robust_list(0x5555721e9760, 24) = 0 [pid 379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 379] setpgid(0, 0) = 0 [pid 379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 379] write(3, "1000", 4) = 4 [pid 379] close(3) = 0 [pid 379] write(1, "executing program\n", 18executing program ) = 18 [pid 379] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 379] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 379] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 379] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[90]}, 88) = 90 [pid 379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 379] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 379] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 379] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 379] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 380 attached [pid 379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} [pid 380] set_robust_list(0x7f087a8a99a0, 24./strace-static-x86_64: Process 381 attached ) = 0 [pid 379] <... clone3 resumed> => {parent_tid=[91]}, 88) = 91 [pid 381] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 381] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 381] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 380] rt_sigprocmask(SIG_SETMASK, [], [pid 379] rt_sigprocmask(SIG_SETMASK, [], [pid 380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 379] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 379] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] <... futex resumed>) = 0 [pid 381] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 380] memfd_create("syzkaller", 0) = 4 [pid 380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 380] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 380] munmap(0x7f0872468000, 138412032) = 0 [pid 380] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 380] ioctl(5, LOOP_SET_FD, 4 [pid 381] <... openat resumed>) = 3 [pid 381] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] <... futex resumed>) = 0 [pid 379] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 379] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] <... futex resumed>) = 1 [pid 381] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 381] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] <... futex resumed>) = 0 [pid 379] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 379] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] <... futex resumed>) = 1 [pid 381] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 381] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 381] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] <... futex resumed>) = 0 [pid 379] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 379] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] <... futex resumed>) = 1 [pid 381] creat(0x200000000040, 000 [pid 380] <... ioctl resumed>) = 0 [pid 381] <... creat resumed>) = 6 [pid 381] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] <... futex resumed>) = 0 [pid 379] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 379] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] close(4 [pid 381] <... futex resumed>) = 1 [pid 381] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 380] <... close resumed>) = 0 [pid 381] <... mount resumed>) = 0 [pid 380] close(5) = 0 [pid 380] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 380] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 380] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 381] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] ioctl(4, LOOP_CLR_FD [pid 379] <... futex resumed>) = 0 [pid 379] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 379] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] <... futex resumed>) = 1 [pid 381] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 381] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] <... futex resumed>) = 0 [pid 379] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 379] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] <... futex resumed>) = 1 [pid 381] write(5, 0x200000000080, 34136651 [pid 380] <... ioctl resumed>) = 0 [pid 380] close(4) = 0 [pid 380] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 381] <... write resumed>) = 131072 [pid 381] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] <... futex resumed>) = 0 [pid 379] close(3) = 0 [pid 379] close(4) = -1 EBADF (Bad file descriptor) [pid 379] close(5) = 0 [pid 379] close(6 [pid 381] <... futex resumed>) = 1 [pid 381] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 379] <... close resumed>) = 0 [pid 379] close(7) = -1 EBADF (Bad file descriptor) [pid 379] close(8) = -1 EBADF (Bad file descriptor) [pid 379] close(9) = -1 EBADF (Bad file descriptor) [pid 379] close(10) = -1 EBADF (Bad file descriptor) [pid 379] close(11) = -1 EBADF (Bad file descriptor) [pid 379] close(12) = -1 EBADF (Bad file descriptor) [pid 379] close(13) = -1 EBADF (Bad file descriptor) [pid 379] close(14) = -1 EBADF (Bad file descriptor) [pid 379] close(15) = -1 EBADF (Bad file descriptor) [pid 379] close(16) = -1 EBADF (Bad file descriptor) [pid 379] close(17) = -1 EBADF (Bad file descriptor) [pid 379] close(18) = -1 EBADF (Bad file descriptor) [pid 379] close(19) = -1 EBADF (Bad file descriptor) [pid 379] close(20) = -1 EBADF (Bad file descriptor) [pid 379] close(21) = -1 EBADF (Bad file descriptor) [pid 379] close(22) = -1 EBADF (Bad file descriptor) [pid 379] close(23) = -1 EBADF (Bad file descriptor) [pid 379] close(24) = -1 EBADF (Bad file descriptor) [pid 379] close(25) = -1 EBADF (Bad file descriptor) [pid 379] close(26) = -1 EBADF (Bad file descriptor) [pid 379] close(27) = -1 EBADF (Bad file descriptor) [pid 379] close(28) = -1 EBADF (Bad file descriptor) [pid 379] close(29) = -1 EBADF (Bad file descriptor) [pid 379] exit_group(0) = ? [pid 380] <... futex resumed>) = ? [pid 381] <... futex resumed>) = ? [pid 380] +++ exited with 0 +++ [pid 381] +++ exited with 0 +++ [pid 379] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 92 ./strace-static-x86_64: Process 382 attached [pid 382] set_robust_list(0x5555721e9760, 24) = 0 [pid 382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 382] setpgid(0, 0) = 0 [pid 382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 382] write(3, "1000", 4) = 4 executing program [pid 382] close(3) = 0 [pid 382] write(1, "executing program\n", 18) = 18 [pid 382] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 382] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 382] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[93]}, 88) = 93 [pid 382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 382] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 382] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 382] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[94]}, 88) = 94 [pid 382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 382] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 383 attached [pid 383] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 383] memfd_create("syzkaller", 0) = 3 [pid 383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [ 34.214355][ T380] loop0: detected capacity change from 0 to 256 [pid 383] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 383] munmap(0x7f0872468000, 138412032) = 0 [pid 383] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 383] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 384 attached [pid 384] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 384] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 383] <... ioctl resumed>) = 0 [pid 383] close(3) = 0 [pid 383] close(4 [pid 384] <... openat resumed>) = 5 [pid 384] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 382] <... futex resumed>) = 0 [pid 384] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 382] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 384] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 382] <... futex resumed>) = 0 [pid 384] <... mmap resumed>) = 0x200000000000 [pid 382] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 382] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 382] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] <... futex resumed>) = 0 [pid 384] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 384] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 384] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 384] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 382] <... futex resumed>) = 0 [pid 382] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 382] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] <... futex resumed>) = 0 [pid 384] creat(0x200000000040, 000 [pid 383] <... close resumed>) = 0 [pid 383] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 383] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [ 34.278583][ T383] loop0: detected capacity change from 0 to 256 [pid 383] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 382] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 382] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 382] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a847000 [pid 382] mprotect(0x7f087a848000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 382] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a867990, parent_tid=0x7f087a867990, exit_signal=0, stack=0x7f087a847000, stack_size=0x20240, tls=0x7f087a8676c0}./strace-static-x86_64: Process 385 attached => {parent_tid=[95]}, 88) = 95 [pid 382] rt_sigprocmask(SIG_SETMASK, [], [pid 385] set_robust_list(0x7f087a8679a0, 24 [pid 382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 385] <... set_robust_list resumed>) = 0 [pid 382] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000 [pid 385] rt_sigprocmask(SIG_SETMASK, [], [pid 382] <... futex resumed>) = 0 [pid 385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 382] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 385] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 385] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 382] <... futex resumed>) = 0 [pid 382] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 385] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 384] <... creat resumed>) = 3 [pid 384] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 383] <... openat resumed>) = 4 [pid 383] ioctl(4, LOOP_CLR_FD) = 0 [pid 383] close(4) = 0 [pid 383] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 383] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 385] <... open resumed>) = 6 [pid 385] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 385] futex(0x7f087a976628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 382] <... futex resumed>) = 0 [pid 382] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 382] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 383] <... futex resumed>) = 0 [pid 383] write(6, 0x200000000080, 34136651) = 131072 [pid 383] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 382] <... futex resumed>) = 0 [pid 382] close(3) = 0 [pid 382] close(4) = -1 EBADF (Bad file descriptor) [pid 382] close(5) = 0 [pid 382] close(6) = 0 [pid 382] close(7) = -1 EBADF (Bad file descriptor) [pid 382] close(8) = -1 EBADF (Bad file descriptor) [pid 382] close(9) = -1 EBADF (Bad file descriptor) [pid 382] close(10) = -1 EBADF (Bad file descriptor) [pid 382] close(11) = -1 EBADF (Bad file descriptor) [pid 382] close(12) = -1 EBADF (Bad file descriptor) [pid 382] close(13) = -1 EBADF (Bad file descriptor) [pid 382] close(14) = -1 EBADF (Bad file descriptor) [pid 382] close(15) = -1 EBADF (Bad file descriptor) [pid 382] close(16) = -1 EBADF (Bad file descriptor) [pid 382] close(17) = -1 EBADF (Bad file descriptor) [pid 382] close(18) = -1 EBADF (Bad file descriptor) [pid 382] close(19) = -1 EBADF (Bad file descriptor) [pid 382] close(20) = -1 EBADF (Bad file descriptor) [pid 382] close(21) = -1 EBADF (Bad file descriptor) [pid 382] close(22) = -1 EBADF (Bad file descriptor) [pid 382] close(23) = -1 EBADF (Bad file descriptor) [pid 382] close(24) = -1 EBADF (Bad file descriptor) [pid 382] close(25) = -1 EBADF (Bad file descriptor) [pid 382] close(26) = -1 EBADF (Bad file descriptor) [pid 382] close(27) = -1 EBADF (Bad file descriptor) [pid 382] close(28) = -1 EBADF (Bad file descriptor) [pid 382] close(29) = -1 EBADF (Bad file descriptor) [pid 382] exit_group(0 [pid 385] <... futex resumed>) = ? [pid 384] <... futex resumed>) = ? [pid 382] <... exit_group resumed>) = ? [pid 385] +++ exited with 0 +++ [pid 384] +++ exited with 0 +++ [pid 383] <... futex resumed>) = ? [pid 383] +++ exited with 0 +++ [pid 382] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 96 ./strace-static-x86_64: Process 386 attached [pid 386] set_robust_list(0x5555721e9760, 24) = 0 [pid 386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 386] setpgid(0, 0) = 0 [pid 386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 386] write(3, "1000", 4) = 4 [pid 386] close(3) = 0 [pid 386] write(1, "executing program\n", 18executing program ) = 18 [pid 386] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 386] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 386] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 386] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[97]}, 88) = 97 [pid 386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 386] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 386] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 386] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[98]}, 88) = 98 [pid 386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 386] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 387 attached [pid 387] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 387] memfd_create("syzkaller", 0) = 3 [pid 387] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 387] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 387] munmap(0x7f0872468000, 138412032) = 0 [pid 387] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 387] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 388 attached [pid 388] set_robust_list(0x7f087a8889a0, 24 [pid 387] <... ioctl resumed>) = 0 [pid 388] <... set_robust_list resumed>) = 0 [pid 387] close(3 [pid 388] rt_sigprocmask(SIG_SETMASK, [], [pid 387] <... close resumed>) = 0 [pid 388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 387] close(4 [pid 388] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 387] <... close resumed>) = 0 [pid 387] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 387] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 388] <... openat resumed>) = 3 [pid 388] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... futex resumed>) = 0 [pid 386] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... futex resumed>) = 1 [pid 388] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 388] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 388] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 386] <... futex resumed>) = 0 [pid 386] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 388] <... futex resumed>) = 0 [pid 386] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 388] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 388] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 386] <... futex resumed>) = 0 [pid 386] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 34.437754][ T387] loop0: detected capacity change from 0 to 256 [pid 388] creat(0x200000000040, 000) = 4 [pid 388] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 388] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 386] <... futex resumed>) = 0 [pid 386] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 386] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... futex resumed>) = 0 [pid 388] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 388] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... futex resumed>) = 0 [pid 386] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... futex resumed>) = 1 [pid 388] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 388] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... futex resumed>) = 0 [pid 386] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... futex resumed>) = 1 [pid 388] write(5, 0x200000000080, 34136651) = 131072 [pid 388] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... futex resumed>) = 0 [pid 388] <... futex resumed>) = 1 [ 34.479050][ T387] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 34.493389][ T387] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [ 34.503606][ T387] exFAT-fs (loop0): unable to set blocksize 33554432 [ 34.512015][ T387] exFAT-fs (loop0): failed to read boot sector [pid 388] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 387] <... mount resumed>) = -1 EIO (Input/output error) [pid 387] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 387] ioctl(6, LOOP_CLR_FD) = 0 [pid 387] close(6) = 0 [pid 387] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 386] close(3) = 0 [pid 386] close(4) = 0 [ 34.521713][ T387] exFAT-fs (loop0): failed to recognize exfat type [pid 386] close(5) = 0 [pid 386] close(6) = -1 EBADF (Bad file descriptor) [pid 386] close(7) = -1 EBADF (Bad file descriptor) [pid 386] close(8) = -1 EBADF (Bad file descriptor) [pid 386] close(9) = -1 EBADF (Bad file descriptor) [pid 386] close(10) = -1 EBADF (Bad file descriptor) [pid 386] close(11) = -1 EBADF (Bad file descriptor) [pid 386] close(12) = -1 EBADF (Bad file descriptor) [pid 386] close(13) = -1 EBADF (Bad file descriptor) [pid 386] close(14) = -1 EBADF (Bad file descriptor) [pid 386] close(15) = -1 EBADF (Bad file descriptor) [pid 386] close(16) = -1 EBADF (Bad file descriptor) [pid 386] close(17) = -1 EBADF (Bad file descriptor) [pid 386] close(18) = -1 EBADF (Bad file descriptor) [pid 386] close(19) = -1 EBADF (Bad file descriptor) [pid 386] close(20) = -1 EBADF (Bad file descriptor) [pid 386] close(21) = -1 EBADF (Bad file descriptor) [pid 386] close(22) = -1 EBADF (Bad file descriptor) [pid 386] close(23) = -1 EBADF (Bad file descriptor) [pid 386] close(24) = -1 EBADF (Bad file descriptor) [pid 386] close(25) = -1 EBADF (Bad file descriptor) [pid 386] close(26) = -1 EBADF (Bad file descriptor) [pid 386] close(27) = -1 EBADF (Bad file descriptor) [pid 386] close(28) = -1 EBADF (Bad file descriptor) [pid 386] close(29) = -1 EBADF (Bad file descriptor) [pid 386] exit_group(0 [pid 388] <... futex resumed>) = -1 (errno 18446744073709551555) [pid 386] <... exit_group resumed>) = ? [pid 388] +++ exited with 0 +++ [pid 387] <... futex resumed>) = ? [pid 387] +++ exited with 0 +++ [pid 386] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=9} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 99 ./strace-static-x86_64: Process 389 attached [pid 389] set_robust_list(0x5555721e9760, 24) = 0 [pid 389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 389] setpgid(0, 0) = 0 [pid 389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 389] write(3, "1000", 4) = 4 [pid 389] close(3) = 0 [pid 389] write(1, "executing program\n", 18executing program ) = 18 [pid 389] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 389] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 389] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 389] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 390 attached [pid 390] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 389] <... clone3 resumed> => {parent_tid=[100]}, 88) = 100 [pid 390] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 389] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 389] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 389] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 389] rt_sigprocmask(SIG_BLOCK, ~[], [pid 390] <... futex resumed>) = 0 [pid 389] <... rt_sigprocmask resumed>[], 8) = 0 [pid 389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0}./strace-static-x86_64: Process 391 attached [pid 390] memfd_create("syzkaller", 0 [pid 389] <... clone3 resumed> => {parent_tid=[101]}, 88) = 101 [pid 389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 389] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 389] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 391] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 391] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 390] <... memfd_create resumed>) = 3 [pid 391] <... openat resumed>) = 4 [pid 391] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] <... futex resumed>) = 0 [pid 389] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 389] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 391] <... futex resumed>) = 1 [pid 390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 391] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 390] <... mmap resumed>) = 0x7f0872468000 [pid 390] munmap(0x7f0872468000, 138412032) = 0 [pid 390] close(3 [pid 391] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] <... close resumed>) = 0 [pid 390] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 390] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 391] <... futex resumed>) = 1 [pid 389] <... futex resumed>) = 0 [pid 391] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] <... futex resumed>) = 0 [pid 389] <... futex resumed>) = 1 [pid 390] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 389] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 390] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 389] <... futex resumed>) = 0 [pid 390] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 389] <... futex resumed>) = 0 [pid 390] creat(0x200000000040, 000 [pid 389] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... creat resumed>) = 3 [pid 390] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 389] <... futex resumed>) = 0 [pid 390] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 389] <... futex resumed>) = 0 [pid 390] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 389] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... mount resumed>) = 0 [pid 390] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 389] <... futex resumed>) = 0 [pid 390] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 389] <... futex resumed>) = 0 [pid 390] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 389] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... open resumed>) = 5 [pid 390] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 389] <... futex resumed>) = 0 [pid 390] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 389] <... futex resumed>) = 0 [pid 390] write(5, 0x200000000080, 34136651 [pid 389] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... write resumed>) = -1 ENOSPC (No space left on device) [pid 390] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 389] <... futex resumed>) = 0 [pid 390] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] close(3) = 0 [pid 389] close(4) = 0 [pid 389] close(5) = 0 [pid 389] close(6) = -1 EBADF (Bad file descriptor) [pid 389] close(7) = -1 EBADF (Bad file descriptor) [pid 389] close(8) = -1 EBADF (Bad file descriptor) [pid 389] close(9) = -1 EBADF (Bad file descriptor) [pid 389] close(10) = -1 EBADF (Bad file descriptor) [pid 389] close(11) = -1 EBADF (Bad file descriptor) [pid 389] close(12) = -1 EBADF (Bad file descriptor) [pid 389] close(13) = -1 EBADF (Bad file descriptor) [pid 389] close(14) = -1 EBADF (Bad file descriptor) [pid 389] close(15) = -1 EBADF (Bad file descriptor) [pid 389] close(16) = -1 EBADF (Bad file descriptor) [pid 389] close(17) = -1 EBADF (Bad file descriptor) [pid 389] close(18) = -1 EBADF (Bad file descriptor) [pid 389] close(19) = -1 EBADF (Bad file descriptor) [pid 389] close(20) = -1 EBADF (Bad file descriptor) [pid 389] close(21) = -1 EBADF (Bad file descriptor) [pid 389] close(22) = -1 EBADF (Bad file descriptor) [pid 389] close(23) = -1 EBADF (Bad file descriptor) [pid 389] close(24) = -1 EBADF (Bad file descriptor) [pid 389] close(25) = -1 EBADF (Bad file descriptor) [pid 389] close(26) = -1 EBADF (Bad file descriptor) [pid 389] close(27) = -1 EBADF (Bad file descriptor) [pid 389] close(28) = -1 EBADF (Bad file descriptor) [pid 389] close(29) = -1 EBADF (Bad file descriptor) [pid 389] exit_group(0 [pid 391] <... futex resumed>) = ? [pid 390] <... futex resumed>) = ? [pid 389] <... exit_group resumed>) = ? [pid 391] +++ exited with 0 +++ [pid 390] +++ exited with 0 +++ [pid 389] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=99, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 392 attached [pid 392] set_robust_list(0x5555721e9760, 24 [pid 289] <... clone resumed>, child_tidptr=0x5555721e9750) = 102 [pid 392] <... set_robust_list resumed>) = 0 [pid 392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 392] setpgid(0, 0) = 0 [pid 392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 392] write(3, "1000", 4) = 4 [pid 392] close(3) = 0 [pid 392] write(1, "executing program\n", 18) = 18 [pid 392] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 392] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 392] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 392] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[103]}, 88) = 103 [pid 392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 392] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 392] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 392] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 392] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[104]}, 88) = 104 [pid 392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 392] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 392] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 393 attached [pid 393] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 393] memfd_create("syzkaller", 0) = 3 [pid 393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 393] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 393] munmap(0x7f0872468000, 138412032) = 0 [pid 393] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 393] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 394 attached [pid 394] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 394] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 393] <... ioctl resumed>) = 0 [pid 393] close(3) = 0 [pid 393] close(4) = 0 [pid 394] <... openat resumed>) = 5 [pid 394] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 392] <... futex resumed>) = 0 [pid 392] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 392] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 394] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 394] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 392] <... futex resumed>) = 0 [pid 392] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 393] mkdir(0x200000000240, 0777 [pid 392] <... futex resumed>) = 0 [pid 393] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 392] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 394] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 393] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 393] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 394] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 394] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... futex resumed>) = 0 [pid 392] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 392] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 394] <... futex resumed>) = 1 [pid 394] creat(0x200000000040, 000 [pid 393] <... openat resumed>) = 3 [pid 394] <... creat resumed>) = 4 [pid 393] ioctl(3, LOOP_CLR_FD [pid 394] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 393] <... ioctl resumed>) = 0 [pid 394] <... futex resumed>) = 1 [pid 392] <... futex resumed>) = 0 [pid 394] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 392] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 392] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 393] close(3 [pid 394] <... mount resumed>) = 0 [pid 393] <... close resumed>) = 0 [pid 393] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 393] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 394] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 394] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 392] <... futex resumed>) = 0 [pid 392] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 392] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 393] <... futex resumed>) = 0 [pid 393] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 3 [pid 393] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... futex resumed>) = 0 [pid 392] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 392] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 393] <... futex resumed>) = 1 [pid 393] write(3, 0x200000000080, 34136651) = 131072 [pid 393] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... futex resumed>) = 0 [pid 392] close(3) = 0 [pid 392] close(4) = 0 [pid 392] close(5) = 0 [pid 392] close(6) = -1 EBADF (Bad file descriptor) [pid 392] close(7) = -1 EBADF (Bad file descriptor) [pid 392] close(8) = -1 EBADF (Bad file descriptor) [pid 392] close(9) = -1 EBADF (Bad file descriptor) [pid 392] close(10) = -1 EBADF (Bad file descriptor) [pid 392] close(11) = -1 EBADF (Bad file descriptor) [pid 392] close(12) = -1 EBADF (Bad file descriptor) [pid 392] close(13) = -1 EBADF (Bad file descriptor) [pid 392] close(14) = -1 EBADF (Bad file descriptor) [pid 392] close(15) = -1 EBADF (Bad file descriptor) [pid 392] close(16) = -1 EBADF (Bad file descriptor) [pid 392] close(17) = -1 EBADF (Bad file descriptor) [pid 392] close(18) = -1 EBADF (Bad file descriptor) [pid 392] close(19) = -1 EBADF (Bad file descriptor) [pid 392] close(20) = -1 EBADF (Bad file descriptor) [pid 392] close(21) = -1 EBADF (Bad file descriptor) [pid 392] close(22) = -1 EBADF (Bad file descriptor) [pid 392] close(23) = -1 EBADF (Bad file descriptor) [pid 392] close(24) = -1 EBADF (Bad file descriptor) [pid 392] close(25) = -1 EBADF (Bad file descriptor) [pid 392] close(26) = -1 EBADF (Bad file descriptor) [pid 392] close(27) = -1 EBADF (Bad file descriptor) [pid 392] close(28) = -1 EBADF (Bad file descriptor) [pid 392] close(29) = -1 EBADF (Bad file descriptor) [pid 392] exit_group(0) = ? [pid 394] <... futex resumed>) = ? [pid 393] <... futex resumed>) = ? [pid 394] +++ exited with 0 +++ [pid 393] +++ exited with 0 +++ [pid 392] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [ 34.638552][ T393] loop0: detected capacity change from 0 to 256 [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 395 attached , child_tidptr=0x5555721e9750) = 105 [pid 395] set_robust_list(0x5555721e9760, 24) = 0 [pid 395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 395] setpgid(0, 0) = 0 [pid 395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 395] write(3, "1000", 4) = 4 [pid 395] close(3) = 0 [pid 395] write(1, "executing program\n", 18executing program ) = 18 [pid 395] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 395] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 395] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[106]}, 88) = 106 [pid 395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 395] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 395] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 396 attached [pid 395] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0}./strace-static-x86_64: Process 397 attached [pid 396] set_robust_list(0x7f087a8a99a0, 24 [pid 395] <... clone3 resumed> => {parent_tid=[107]}, 88) = 107 [pid 395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 395] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 397] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 396] <... set_robust_list resumed>) = 0 [pid 396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 396] memfd_create("syzkaller", 0) = 4 [pid 396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 396] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 396] munmap(0x7f0872468000, 138412032) = 0 [pid 396] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 396] ioctl(5, LOOP_SET_FD, 4 [pid 397] <... openat resumed>) = 3 [pid 397] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 395] <... futex resumed>) = 0 [pid 395] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] <... futex resumed>) = 1 [pid 397] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 397] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 395] <... futex resumed>) = 0 [pid 395] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] <... futex resumed>) = 1 [pid 397] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 397] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 397] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 395] <... futex resumed>) = 0 [pid 395] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] <... futex resumed>) = 1 [pid 397] creat(0x200000000040, 000 [pid 396] <... ioctl resumed>) = 0 [pid 397] <... creat resumed>) = 6 [pid 397] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 395] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 397] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 395] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 397] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 397] write(7, 0x200000000080, 34136651 [pid 395] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] close(4) = 0 [pid 396] close(5) = 0 [pid 396] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 396] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 396] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 396] ioctl(4, LOOP_CLR_FD) = 0 [pid 396] close(4) = 0 [pid 396] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 396] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 397] <... write resumed>) = 131072 [pid 397] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 395] close(3) = 0 [pid 395] close(4 [pid 397] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 395] close(5) = -1 EBADF (Bad file descriptor) [pid 395] close(6) = 0 [pid 395] close(7) = 0 [pid 395] close(8) = -1 EBADF (Bad file descriptor) [pid 395] close(9) = -1 EBADF (Bad file descriptor) [pid 395] close(10) = -1 EBADF (Bad file descriptor) [pid 395] close(11) = -1 EBADF (Bad file descriptor) [pid 395] close(12) = -1 EBADF (Bad file descriptor) [pid 395] close(13) = -1 EBADF (Bad file descriptor) [pid 395] close(14) = -1 EBADF (Bad file descriptor) [pid 395] close(15) = -1 EBADF (Bad file descriptor) [pid 395] close(16) = -1 EBADF (Bad file descriptor) [pid 395] close(17) = -1 EBADF (Bad file descriptor) [pid 395] close(18) = -1 EBADF (Bad file descriptor) [pid 395] close(19) = -1 EBADF (Bad file descriptor) [pid 395] close(20) = -1 EBADF (Bad file descriptor) [pid 395] close(21) = -1 EBADF (Bad file descriptor) [pid 395] close(22) = -1 EBADF (Bad file descriptor) [pid 395] close(23) = -1 EBADF (Bad file descriptor) [pid 395] close(24) = -1 EBADF (Bad file descriptor) [pid 395] close(25) = -1 EBADF (Bad file descriptor) [pid 395] close(26) = -1 EBADF (Bad file descriptor) [pid 395] close(27) = -1 EBADF (Bad file descriptor) [pid 395] close(28) = -1 EBADF (Bad file descriptor) [pid 395] close(29) = -1 EBADF (Bad file descriptor) [pid 395] exit_group(0) = ? [pid 397] <... futex resumed>) = 231 [pid 397] +++ exited with 0 +++ [pid 396] <... futex resumed>) = ? [pid 396] +++ exited with 0 +++ [pid 395] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=105, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 34.744001][ T396] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 108 ./strace-static-x86_64: Process 398 attached [pid 398] set_robust_list(0x5555721e9760, 24) = 0 [pid 398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 398] setpgid(0, 0) = 0 [pid 398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 398] write(3, "1000", 4) = 4 [pid 398] close(3) = 0 [pid 398] write(1, "executing program\n", 18executing program ) = 18 [pid 398] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 398] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 398] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[109]}, 88) = 109 [pid 398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 398] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 398] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 398] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[110]}, 88) = 110 [pid 398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 398] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 400 attached [pid 400] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 400] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 399 attached [pid 399] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 399] memfd_create("syzkaller", 0) = 4 [pid 399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 399] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 399] munmap(0x7f0872468000, 138412032) = 0 [pid 399] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 399] ioctl(5, LOOP_SET_FD, 4 [pid 400] <... openat resumed>) = 3 [pid 400] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 400] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 398] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 400] <... futex resumed>) = 0 [pid 400] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 400] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 399] <... ioctl resumed>) = 0 [pid 399] close(4) = 0 [pid 400] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 399] close(5 [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 400] <... futex resumed>) = 0 [pid 400] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 399] <... close resumed>) = 0 [pid 399] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 400] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 399] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 400] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 400] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 399] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 400] <... futex resumed>) = 0 [pid 399] <... openat resumed>) = 4 [pid 400] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 399] ioctl(4, LOOP_CLR_FD) = 0 [pid 399] close(4) = 0 [pid 399] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 399] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 398] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 398] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 398] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... futex resumed>) = 0 [pid 399] creat(0x200000000040, 000) = 4 [pid 399] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... futex resumed>) = 1 [pid 399] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 399] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... futex resumed>) = 1 [pid 399] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 399] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... futex resumed>) = 1 [pid 399] write(5, 0x200000000080, 34136651) = 131072 [pid 399] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] <... futex resumed>) = 0 [pid 398] close(3) = 0 [pid 398] close(4) = 0 [pid 398] close(5) = 0 [pid 398] close(6) = -1 EBADF (Bad file descriptor) [pid 398] close(7) = -1 EBADF (Bad file descriptor) [pid 398] close(8) = -1 EBADF (Bad file descriptor) [pid 398] close(9) = -1 EBADF (Bad file descriptor) [pid 398] close(10) = -1 EBADF (Bad file descriptor) [pid 398] close(11) = -1 EBADF (Bad file descriptor) [pid 398] close(12) = -1 EBADF (Bad file descriptor) [pid 398] close(13) = -1 EBADF (Bad file descriptor) [pid 398] close(14) = -1 EBADF (Bad file descriptor) [pid 398] close(15) = -1 EBADF (Bad file descriptor) [pid 398] close(16) = -1 EBADF (Bad file descriptor) [pid 398] close(17) = -1 EBADF (Bad file descriptor) [pid 398] close(18) = -1 EBADF (Bad file descriptor) [pid 398] close(19) = -1 EBADF (Bad file descriptor) [pid 398] close(20) = -1 EBADF (Bad file descriptor) [pid 398] close(21) = -1 EBADF (Bad file descriptor) [pid 398] close(22) = -1 EBADF (Bad file descriptor) [pid 399] <... futex resumed>) = 1 [pid 398] close(23 [pid 399] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 398] close(24) = -1 EBADF (Bad file descriptor) [pid 398] close(25) = -1 EBADF (Bad file descriptor) [pid 398] close(26) = -1 EBADF (Bad file descriptor) [pid 398] close(27) = -1 EBADF (Bad file descriptor) [pid 398] close(28) = -1 EBADF (Bad file descriptor) [pid 398] close(29) = -1 EBADF (Bad file descriptor) [pid 398] exit_group(0 [pid 400] <... futex resumed>) = ? [pid 398] <... exit_group resumed>) = ? [pid 400] +++ exited with 0 +++ [pid 399] <... futex resumed>) = ? [pid 399] +++ exited with 0 +++ [pid 398] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 111 ./strace-static-x86_64: Process 401 attached [pid 401] set_robust_list(0x5555721e9760, 24) = 0 [pid 401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 401] setpgid(0, 0) = 0 [pid 401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 401] write(3, "1000", 4) = 4 [pid 401] close(3) = 0 [pid 401] write(1, "executing program\n", 18executing program ) = 18 [pid 401] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 401] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 401] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 401] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[112]}, 88) = 112 [pid 401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 401] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 401] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 401] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 402 attached [pid 402] set_robust_list(0x7f087a8a99a0, 24 [pid 401] rt_sigprocmask(SIG_BLOCK, ~[], [pid 402] <... set_robust_list resumed>) = 0 [pid 402] rt_sigprocmask(SIG_SETMASK, [], [pid 401] <... rt_sigprocmask resumed>[], 8) = 0 [pid 402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} [pid 402] memfd_create("syzkaller", 0) = 3 [pid 401] <... clone3 resumed> => {parent_tid=[113]}, 88) = 113 [pid 402] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 401] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 401] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 403 attached [pid 402] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 402] munmap(0x7f0872468000, 138412032) = 0 [ 34.853271][ T399] loop0: detected capacity change from 0 to 256 [pid 402] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 402] ioctl(4, LOOP_SET_FD, 3 [pid 403] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 402] <... ioctl resumed>) = 0 [pid 403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 403] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 402] close(3) = 0 [pid 402] close(4) = 0 [pid 402] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 402] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 403] <... openat resumed>) = 5 [pid 403] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 401] <... futex resumed>) = 0 [pid 401] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 401] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 403] <... futex resumed>) = 1 [pid 403] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 403] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 401] <... futex resumed>) = 0 [pid 401] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 401] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 403] <... futex resumed>) = 1 [pid 403] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 403] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 403] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 401] <... futex resumed>) = 0 [pid 401] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 401] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 403] <... futex resumed>) = 1 [pid 403] creat(0x200000000040, 000) = 3 [pid 403] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 401] <... futex resumed>) = 0 [pid 401] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 401] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 403] <... futex resumed>) = 1 [pid 403] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 403] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 401] <... futex resumed>) = 0 [pid 401] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 401] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 403] <... futex resumed>) = 1 [pid 403] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 403] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 401] <... futex resumed>) = 0 [pid 401] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 401] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 403] <... futex resumed>) = 1 [ 34.904923][ T402] loop0: detected capacity change from 0 to 256 [ 34.922181][ T402] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 34.939477][ T402] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [pid 403] write(4, 0x200000000080, 34136651) = 131072 [pid 403] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 401] <... futex resumed>) = 0 [pid 403] <... futex resumed>) = 1 [pid 403] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 402] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 402] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 402] ioctl(6, LOOP_CLR_FD) = 0 [pid 402] close(6) = 0 [pid 402] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 402] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 401] close(3) = 0 [ 34.953784][ T402] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d) [ 34.968708][ T402] exFAT-fs (loop0): failed to load alloc-bitmap [ 34.981306][ T402] exFAT-fs (loop0): failed to recognize exfat type [pid 401] close(4) = 0 [pid 401] close(5) = 0 [pid 401] close(6) = -1 EBADF (Bad file descriptor) [pid 401] close(7) = -1 EBADF (Bad file descriptor) [pid 401] close(8) = -1 EBADF (Bad file descriptor) [pid 401] close(9) = -1 EBADF (Bad file descriptor) [pid 401] close(10) = -1 EBADF (Bad file descriptor) [pid 401] close(11) = -1 EBADF (Bad file descriptor) [pid 401] close(12) = -1 EBADF (Bad file descriptor) [pid 401] close(13) = -1 EBADF (Bad file descriptor) [pid 401] close(14) = -1 EBADF (Bad file descriptor) [pid 401] close(15) = -1 EBADF (Bad file descriptor) [pid 401] close(16) = -1 EBADF (Bad file descriptor) [pid 401] close(17) = -1 EBADF (Bad file descriptor) [pid 401] close(18) = -1 EBADF (Bad file descriptor) [pid 401] close(19) = -1 EBADF (Bad file descriptor) [pid 401] close(20) = -1 EBADF (Bad file descriptor) [pid 401] close(21) = -1 EBADF (Bad file descriptor) [pid 401] close(22) = -1 EBADF (Bad file descriptor) [pid 401] close(23) = -1 EBADF (Bad file descriptor) [pid 401] close(24) = -1 EBADF (Bad file descriptor) [pid 401] close(25) = -1 EBADF (Bad file descriptor) [pid 401] close(26) = -1 EBADF (Bad file descriptor) [pid 401] close(27) = -1 EBADF (Bad file descriptor) [pid 401] close(28) = -1 EBADF (Bad file descriptor) [pid 401] close(29) = -1 EBADF (Bad file descriptor) [pid 401] exit_group(0) = ? [pid 403] <... futex resumed>) = ? [pid 403] +++ exited with 0 +++ [pid 402] <... futex resumed>) = ? [pid 402] +++ exited with 0 +++ [pid 401] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=111, si_uid=0, si_status=0, si_utime=0, si_stime=10} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 114 ./strace-static-x86_64: Process 404 attached [pid 404] set_robust_list(0x5555721e9760, 24) = 0 [pid 404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 404] setpgid(0, 0) = 0 [pid 404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 404] write(3, "1000", 4) = 4 [pid 404] close(3) = 0 [pid 404] write(1, "executing program\n", 18executing program ) = 18 [pid 404] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 404] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 404] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 404] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 404] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 405 attached => {parent_tid=[115]}, 88) = 115 [pid 404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 404] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 404] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 404] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 404] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[116]}, 88) = 116 [pid 404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 404] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 405] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 405] memfd_create("syzkaller", 0) = 3 [pid 405] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 ./strace-static-x86_64: Process 406 attached [pid 406] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 405] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 406] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 405] <... write resumed>) = 131072 [pid 405] munmap(0x7f0872468000, 138412032) = 0 [pid 405] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 405] ioctl(5, LOOP_SET_FD, 3 [pid 406] <... openat resumed>) = 4 [pid 406] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 406] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 404] <... futex resumed>) = 0 [pid 404] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 404] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 406] <... futex resumed>) = 0 [pid 406] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 406] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = 0 [pid 404] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 406] <... futex resumed>) = 1 [pid 406] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 406] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 406] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = 0 [pid 404] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 406] <... futex resumed>) = 1 [pid 406] creat(0x200000000040, 000) = 6 [pid 406] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = 0 [pid 404] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 406] <... futex resumed>) = 1 [pid 406] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 406] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = 0 [pid 404] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 406] <... futex resumed>) = 1 [pid 406] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 406] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = 0 [pid 404] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 406] <... futex resumed>) = 1 [pid 406] write(7, 0x200000000080, 34136651 [pid 405] <... ioctl resumed>) = 0 [pid 405] close(3) = 0 [pid 405] close(5) = 0 [pid 405] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 405] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 405] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 405] ioctl(3, LOOP_CLR_FD) = 0 [pid 405] close(3) = 0 [pid 405] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 406] <... write resumed>) = 131072 [pid 406] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = 0 [pid 404] close(3) = -1 EBADF (Bad file descriptor) [pid 404] close(4) = 0 [pid 404] close(5) = -1 EBADF (Bad file descriptor) [pid 404] close(6) = 0 [pid 404] close(7) = 0 [pid 404] close(8) = -1 EBADF (Bad file descriptor) [pid 404] close(9) = -1 EBADF (Bad file descriptor) [pid 404] close(10) = -1 EBADF (Bad file descriptor) [pid 404] close(11) = -1 EBADF (Bad file descriptor) [pid 404] close(12) = -1 EBADF (Bad file descriptor) [pid 404] close(13) = -1 EBADF (Bad file descriptor) [pid 404] close(14) = -1 EBADF (Bad file descriptor) [pid 404] close(15) = -1 EBADF (Bad file descriptor) [pid 404] close(16) = -1 EBADF (Bad file descriptor) [pid 404] close(17) = -1 EBADF (Bad file descriptor) [pid 404] close(18) = -1 EBADF (Bad file descriptor) [pid 404] close(19) = -1 EBADF (Bad file descriptor) [pid 404] close(20) = -1 EBADF (Bad file descriptor) [pid 404] close(21) = -1 EBADF (Bad file descriptor) [pid 404] close(22 [pid 406] <... futex resumed>) = 1 [pid 404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 404] close(23) = -1 EBADF (Bad file descriptor) [pid 404] close(24) = -1 EBADF (Bad file descriptor) [pid 404] close(25) = -1 EBADF (Bad file descriptor) [pid 404] close(26) = -1 EBADF (Bad file descriptor) [pid 404] close(27) = -1 EBADF (Bad file descriptor) [pid 404] close(28) = -1 EBADF (Bad file descriptor) [pid 404] close(29) = -1 EBADF (Bad file descriptor) [pid 404] exit_group(0) = ? [pid 406] +++ exited with 0 +++ [pid 405] <... futex resumed>) = ? [pid 405] +++ exited with 0 +++ [pid 404] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 35.080717][ T405] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 117 ./strace-static-x86_64: Process 407 attached [pid 407] set_robust_list(0x5555721e9760, 24) = 0 [pid 407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 407] setpgid(0, 0) = 0 [pid 407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 407] write(3, "1000", 4) = 4 [pid 407] close(3) = 0 [pid 407] write(1, "executing program\n", 18executing program ) = 18 [pid 407] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 407] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[118]}, 88) = 118 [pid 407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 407] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 407] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[119]}, 88) = 119 [pid 407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 407] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 409 attached [pid 409] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 409] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 409] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 408 attached [pid 408] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 408] memfd_create("syzkaller", 0) = 4 [pid 408] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 408] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 408] munmap(0x7f0872468000, 138412032) = 0 [pid 409] <... openat resumed>) = 3 [pid 409] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... futex resumed>) = 0 [pid 407] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 409] <... futex resumed>) = 1 [pid 409] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 408] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 409] <... mmap resumed>) = 0x200000000000 [pid 409] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... futex resumed>) = 0 [pid 407] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 409] <... futex resumed>) = 1 [pid 409] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 409] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 409] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... futex resumed>) = 0 [pid 407] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 409] <... futex resumed>) = 1 [pid 409] creat(0x200000000040, 000) = 5 [pid 409] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... futex resumed>) = 0 [pid 407] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 409] <... futex resumed>) = 1 [pid 409] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 409] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... futex resumed>) = 0 [pid 407] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 409] <... futex resumed>) = 1 [pid 409] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 409] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... futex resumed>) = 0 [pid 407] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 409] <... futex resumed>) = 1 [pid 409] write(6, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 409] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... futex resumed>) = 0 [pid 409] <... futex resumed>) = 1 [pid 409] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 408] <... openat resumed>) = 7 [pid 408] ioctl(7, LOOP_SET_FD, 4) = 0 [pid 408] close(4) = 0 [pid 408] close(7) = 0 [pid 408] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 408] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 408] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 408] ioctl(4, LOOP_CLR_FD) = 0 [pid 408] close(4) = 0 [pid 408] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 408] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] close(3) = 0 [pid 407] close(4) = -1 EBADF (Bad file descriptor) [pid 407] close(5) = 0 [pid 407] close(6) = 0 [pid 407] close(7) = -1 EBADF (Bad file descriptor) [pid 407] close(8) = -1 EBADF (Bad file descriptor) [pid 407] close(9) = -1 EBADF (Bad file descriptor) [pid 407] close(10) = -1 EBADF (Bad file descriptor) [pid 407] close(11) = -1 EBADF (Bad file descriptor) [pid 407] close(12) = -1 EBADF (Bad file descriptor) [pid 407] close(13) = -1 EBADF (Bad file descriptor) [pid 407] close(14) = -1 EBADF (Bad file descriptor) [pid 407] close(15) = -1 EBADF (Bad file descriptor) [pid 407] close(16) = -1 EBADF (Bad file descriptor) [pid 407] close(17) = -1 EBADF (Bad file descriptor) [pid 407] close(18) = -1 EBADF (Bad file descriptor) [pid 407] close(19) = -1 EBADF (Bad file descriptor) [pid 407] close(20) = -1 EBADF (Bad file descriptor) [pid 407] close(21) = -1 EBADF (Bad file descriptor) [pid 407] close(22) = -1 EBADF (Bad file descriptor) [pid 407] close(23) = -1 EBADF (Bad file descriptor) [pid 407] close(24) = -1 EBADF (Bad file descriptor) [pid 407] close(25) = -1 EBADF (Bad file descriptor) [pid 407] close(26) = -1 EBADF (Bad file descriptor) [pid 407] close(27) = -1 EBADF (Bad file descriptor) [pid 407] close(28) = -1 EBADF (Bad file descriptor) [pid 407] close(29) = -1 EBADF (Bad file descriptor) [pid 407] exit_group(0 [pid 409] <... futex resumed>) = ? [pid 407] <... exit_group resumed>) = ? [pid 409] +++ exited with 0 +++ [pid 408] <... futex resumed>) = ? [pid 408] +++ exited with 0 +++ [pid 407] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=117, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 35.179034][ T408] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 120 ./strace-static-x86_64: Process 410 attached [pid 410] set_robust_list(0x5555721e9760, 24) = 0 [pid 410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 410] setpgid(0, 0) = 0 [pid 410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 410] write(3, "1000", 4) = 4 [pid 410] close(3) = 0 [pid 410] write(1, "executing program\n", 18executing program ) = 18 [pid 410] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 410] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 410] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 410] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[121]}, 88) = 121 [pid 410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 410] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 410] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 410] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 410] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[122]}, 88) = 122 [pid 410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 410] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 410] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 412 attached [pid 412] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 412] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 411 attached [pid 411] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 411] memfd_create("syzkaller", 0) = 4 [pid 411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 411] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 411] munmap(0x7f0872468000, 138412032) = 0 [pid 411] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 411] ioctl(5, LOOP_SET_FD, 4 [pid 412] <... openat resumed>) = 3 [pid 412] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 410] <... futex resumed>) = 0 [pid 410] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 410] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 1 [pid 412] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 412] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 410] <... futex resumed>) = 0 [pid 410] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 410] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 1 [pid 412] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 412] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 412] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 410] <... futex resumed>) = 0 [pid 410] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 410] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 1 [pid 412] creat(0x200000000040, 000) = 6 [pid 412] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 410] <... futex resumed>) = 0 [pid 410] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 410] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 1 [pid 412] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 411] <... ioctl resumed>) = 0 [pid 412] <... mount resumed>) = 0 [pid 412] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 410] <... futex resumed>) = 0 [pid 410] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 410] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 1 [pid 412] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 412] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 410] <... futex resumed>) = 0 [pid 410] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 410] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 1 [pid 412] write(7, 0x200000000080, 34136651 [pid 411] close(4) = 0 [pid 411] close(5) = 0 [pid 411] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 411] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 411] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 411] ioctl(4, LOOP_CLR_FD) = 0 [pid 411] close(4) = 0 [pid 411] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 411] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 412] <... write resumed>) = 131072 [pid 412] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 410] <... futex resumed>) = 0 [pid 412] <... futex resumed>) = 1 [pid 410] close(3) = 0 [pid 410] close(4) = -1 EBADF (Bad file descriptor) [pid 410] close(5) = -1 EBADF (Bad file descriptor) [pid 410] close(6) = 0 [pid 410] close(7) = 0 [pid 410] close(8) = -1 EBADF (Bad file descriptor) [pid 410] close(9) = -1 EBADF (Bad file descriptor) [pid 410] close(10) = -1 EBADF (Bad file descriptor) [pid 410] close(11) = -1 EBADF (Bad file descriptor) [pid 412] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 410] close(12) = -1 EBADF (Bad file descriptor) [pid 410] close(13) = -1 EBADF (Bad file descriptor) [pid 410] close(14) = -1 EBADF (Bad file descriptor) [pid 410] close(15) = -1 EBADF (Bad file descriptor) [pid 410] close(16) = -1 EBADF (Bad file descriptor) [pid 410] close(17) = -1 EBADF (Bad file descriptor) [pid 410] close(18) = -1 EBADF (Bad file descriptor) [pid 410] close(19) = -1 EBADF (Bad file descriptor) [pid 410] close(20) = -1 EBADF (Bad file descriptor) [pid 410] close(21) = -1 EBADF (Bad file descriptor) [pid 410] close(22) = -1 EBADF (Bad file descriptor) [pid 410] close(23) = -1 EBADF (Bad file descriptor) [pid 410] close(24) = -1 EBADF (Bad file descriptor) [pid 410] close(25) = -1 EBADF (Bad file descriptor) [pid 410] close(26) = -1 EBADF (Bad file descriptor) [pid 410] close(27) = -1 EBADF (Bad file descriptor) [pid 410] close(28) = -1 EBADF (Bad file descriptor) [pid 410] close(29) = -1 EBADF (Bad file descriptor) [pid 410] exit_group(0) = ? [pid 411] <... futex resumed>) = ? [pid 411] +++ exited with 0 +++ [pid 412] <... futex resumed>) = ? [pid 412] +++ exited with 0 +++ [pid 410] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=120, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 123 ./strace-static-x86_64: Process 413 attached [pid 413] set_robust_list(0x5555721e9760, 24) = 0 [pid 413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 413] setpgid(0, 0) = 0 [pid 413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 413] write(3, "1000", 4) = 4 [pid 413] close(3) = 0 executing program [pid 413] write(1, "executing program\n", 18) = 18 [pid 413] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 413] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[124]}, 88) = 124 [pid 413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 413] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 414 attached ) = 0 [pid 413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 414] set_robust_list(0x7f087a8a99a0, 24 [pid 413] <... mmap resumed>) = 0x7f087a868000 [pid 413] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE [pid 414] <... set_robust_list resumed>) = 0 [pid 413] <... mprotect resumed>) = 0 [pid 414] rt_sigprocmask(SIG_SETMASK, [], [pid 413] rt_sigprocmask(SIG_BLOCK, ~[], [pid 414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 413] <... rt_sigprocmask resumed>[], 8) = 0 [pid 413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[125]}, 88) = 125 [pid 413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 413] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 414] memfd_create("syzkaller", 0 [pid 413] <... futex resumed>) = 0 [pid 413] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 414] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 415 attached [pid 415] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 415] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 414] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 414] munmap(0x7f0872468000, 138412032) = 0 [pid 414] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [ 35.294740][ T411] loop0: detected capacity change from 0 to 256 [pid 414] ioctl(5, LOOP_SET_FD, 3) = 0 [pid 415] <... openat resumed>) = 4 [pid 414] close(3 [pid 415] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 414] <... close resumed>) = 0 [pid 415] <... futex resumed>) = 1 [pid 413] <... futex resumed>) = 0 [pid 414] close(5 [pid 413] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 414] <... close resumed>) = 0 [pid 413] <... futex resumed>) = 0 [pid 414] mkdir("./file0", 0777 [pid 413] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 414] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 414] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 415] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 415] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 413] <... futex resumed>) = 0 [pid 413] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 415] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 415] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 415] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 415] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 413] <... futex resumed>) = 1 [pid 413] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 413] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 415] <... futex resumed>) = 0 [pid 415] creat(0x200000000040, 000) = 3 [pid 415] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] <... futex resumed>) = 0 [pid 413] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 415] <... futex resumed>) = 1 [pid 415] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 415] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] <... futex resumed>) = 0 [pid 413] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 415] <... futex resumed>) = 1 [pid 415] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 415] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] <... futex resumed>) = 0 [pid 413] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 415] <... futex resumed>) = 1 [ 35.349594][ T414] loop0: detected capacity change from 0 to 256 [ 35.364856][ T414] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 35.384543][ T414] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [pid 415] write(5, 0x200000000080, 34136651) = 131072 [pid 415] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] <... futex resumed>) = 0 [pid 415] <... futex resumed>) = 1 [pid 415] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 414] <... mount resumed>) = -1 EIO (Input/output error) [pid 414] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 414] ioctl(6, LOOP_CLR_FD) = 0 [pid 414] close(6) = 0 [pid 414] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 414] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 413] close(3) = 0 [pid 413] close(4) = 0 [pid 413] close(5) = 0 [pid 413] close(6) = -1 EBADF (Bad file descriptor) [pid 413] close(7) = -1 EBADF (Bad file descriptor) [pid 413] close(8) = -1 EBADF (Bad file descriptor) [pid 413] close(9) = -1 EBADF (Bad file descriptor) [pid 413] close(10) = -1 EBADF (Bad file descriptor) [pid 413] close(11) = -1 EBADF (Bad file descriptor) [pid 413] close(12) = -1 EBADF (Bad file descriptor) [pid 413] close(13) = -1 EBADF (Bad file descriptor) [pid 413] close(14) = -1 EBADF (Bad file descriptor) [pid 413] close(15) = -1 EBADF (Bad file descriptor) [pid 413] close(16) = -1 EBADF (Bad file descriptor) [pid 413] close(17) = -1 EBADF (Bad file descriptor) [pid 413] close(18) = -1 EBADF (Bad file descriptor) [pid 413] close(19) = -1 EBADF (Bad file descriptor) [pid 413] close(20) = -1 EBADF (Bad file descriptor) [pid 413] close(21) = -1 EBADF (Bad file descriptor) [pid 413] close(22) = -1 EBADF (Bad file descriptor) [pid 413] close(23) = -1 EBADF (Bad file descriptor) [pid 413] close(24) = -1 EBADF (Bad file descriptor) [pid 413] close(25) = -1 EBADF (Bad file descriptor) [pid 413] close(26) = -1 EBADF (Bad file descriptor) [pid 413] close(27) = -1 EBADF (Bad file descriptor) [pid 413] close(28) = -1 EBADF (Bad file descriptor) [pid 413] close(29) = -1 EBADF (Bad file descriptor) [pid 413] exit_group(0) = ? [pid 415] <... futex resumed>) = ? [pid 415] +++ exited with 0 +++ [pid 414] <... futex resumed>) = ? [pid 414] +++ exited with 0 +++ [pid 413] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=123, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- [ 35.398143][ T414] exFAT-fs (loop0): unable to set blocksize 33554432 [ 35.412099][ T414] exFAT-fs (loop0): failed to read boot sector [ 35.421159][ T414] exFAT-fs (loop0): failed to recognize exfat type [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x5555721e9750) = 126 ./strace-static-x86_64: Process 416 attached [pid 416] set_robust_list(0x5555721e9760, 24) = 0 [pid 416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 416] setpgid(0, 0) = 0 [pid 416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 416] write(3, "1000", 4) = 4 [pid 416] close(3) = 0 [pid 416] write(1, "executing program\n", 18) = 18 [pid 416] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 416] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 416] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 417 attached => {parent_tid=[127]}, 88) = 127 [pid 416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 416] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 416] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 416] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[128]}, 88) = 128 [pid 416] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 418 attached NULL, 8) = 0 [pid 416] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 417] set_robust_list(0x7f087a8a99a0, 24 [pid 418] set_robust_list(0x7f087a8889a0, 24 [pid 416] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 418] <... set_robust_list resumed>) = 0 [pid 417] <... set_robust_list resumed>) = 0 [pid 418] rt_sigprocmask(SIG_SETMASK, [], [pid 417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 417] memfd_create("syzkaller", 0 [pid 418] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 417] <... memfd_create resumed>) = 4 [pid 417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 417] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 417] munmap(0x7f0872468000, 138412032) = 0 [pid 417] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 417] ioctl(5, LOOP_SET_FD, 4 [pid 418] <... openat resumed>) = 3 [pid 418] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 418] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 416] <... futex resumed>) = 0 [pid 416] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 416] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 418] <... futex resumed>) = 0 [pid 418] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 418] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 0 [pid 416] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 418] <... futex resumed>) = 1 [pid 417] <... ioctl resumed>) = 0 [pid 417] close(4 [pid 418] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 417] <... close resumed>) = 0 [pid 417] close(5 [pid 418] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 417] <... close resumed>) = 0 [pid 418] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 418] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 0 [pid 416] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 418] <... futex resumed>) = 1 [pid 418] creat(0x200000000040, 000) = 4 [pid 418] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 0 [pid 416] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 418] <... futex resumed>) = 1 [pid 418] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 418] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 0 [pid 416] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 418] <... futex resumed>) = 1 [pid 418] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 418] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 0 [pid 416] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 418] <... futex resumed>) = 1 [pid 418] write(5, 0x200000000080, 34136651 [pid 417] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 417] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 417] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 418] <... write resumed>) = 131072 [pid 418] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 0 [pid 418] <... futex resumed>) = 1 [pid 417] <... openat resumed>) = 6 [pid 418] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 417] ioctl(6, LOOP_CLR_FD) = 0 [pid 417] close(6) = 0 [pid 417] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 417] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 416] close(3) = 0 [pid 416] close(4) = 0 [pid 416] close(5) = 0 [pid 416] close(6) = -1 EBADF (Bad file descriptor) [pid 416] close(7) = -1 EBADF (Bad file descriptor) [pid 416] close(8) = -1 EBADF (Bad file descriptor) [pid 416] close(9) = -1 EBADF (Bad file descriptor) [pid 416] close(10) = -1 EBADF (Bad file descriptor) [pid 416] close(11) = -1 EBADF (Bad file descriptor) [pid 416] close(12) = -1 EBADF (Bad file descriptor) [pid 416] close(13) = -1 EBADF (Bad file descriptor) [pid 416] close(14) = -1 EBADF (Bad file descriptor) [pid 416] close(15) = -1 EBADF (Bad file descriptor) [pid 416] close(16) = -1 EBADF (Bad file descriptor) [pid 416] close(17) = -1 EBADF (Bad file descriptor) [pid 416] close(18) = -1 EBADF (Bad file descriptor) [pid 416] close(19) = -1 EBADF (Bad file descriptor) [pid 416] close(20) = -1 EBADF (Bad file descriptor) [pid 416] close(21) = -1 EBADF (Bad file descriptor) [pid 416] close(22) = -1 EBADF (Bad file descriptor) [pid 416] close(23) = -1 EBADF (Bad file descriptor) [pid 416] close(24) = -1 EBADF (Bad file descriptor) [pid 416] close(25) = -1 EBADF (Bad file descriptor) [pid 416] close(26) = -1 EBADF (Bad file descriptor) [pid 416] close(27) = -1 EBADF (Bad file descriptor) [pid 416] close(28) = -1 EBADF (Bad file descriptor) [pid 416] close(29) = -1 EBADF (Bad file descriptor) [pid 416] exit_group(0) = ? [pid 418] <... futex resumed>) = ? [pid 418] +++ exited with 0 +++ [pid 417] <... futex resumed>) = ? [pid 417] +++ exited with 0 +++ [pid 416] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [ 35.499338][ T417] loop0: detected capacity change from 0 to 256 [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3executing program ) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 129 ./strace-static-x86_64: Process 419 attached [pid 419] set_robust_list(0x5555721e9760, 24) = 0 [pid 419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 419] setpgid(0, 0) = 0 [pid 419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 419] write(3, "1000", 4) = 4 [pid 419] close(3) = 0 [pid 419] write(1, "executing program\n", 18) = 18 [pid 419] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 419] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[130]}, 88) = 130 ./strace-static-x86_64: Process 420 attached [pid 419] rt_sigprocmask(SIG_SETMASK, [], [pid 420] set_robust_list(0x7f087a8a99a0, 24 [pid 419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 420] <... set_robust_list resumed>) = 0 [pid 419] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] rt_sigprocmask(SIG_SETMASK, [], [pid 419] <... futex resumed>) = 0 [pid 420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 419] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] memfd_create("syzkaller", 0 [pid 419] <... futex resumed>) = 0 [pid 419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 419] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 419] rt_sigprocmask(SIG_BLOCK, ~[], [pid 420] <... memfd_create resumed>) = 3 [pid 419] <... rt_sigprocmask resumed>[], 8) = 0 [pid 419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} [pid 420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 421 attached [pid 419] <... clone3 resumed> => {parent_tid=[131]}, 88) = 131 [pid 420] <... mmap resumed>) = 0x7f0872468000 [pid 419] rt_sigprocmask(SIG_SETMASK, [], [pid 421] set_robust_list(0x7f087a8889a0, 24 [pid 419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 421] <... set_robust_list resumed>) = 0 [pid 419] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 420] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 421] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 420] <... write resumed>) = 131072 [pid 420] munmap(0x7f0872468000, 138412032) = 0 [pid 420] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 420] ioctl(5, LOOP_SET_FD, 3 [pid 421] <... openat resumed>) = 4 [pid 421] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = 0 [pid 419] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 1 [pid 420] <... ioctl resumed>) = 0 [pid 420] close(3 [pid 421] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 420] <... close resumed>) = 0 [pid 421] <... mmap resumed>) = 0x200000000000 [pid 420] close(5) = 0 [pid 420] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 420] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 420] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 421] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 421] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 420] ioctl(3, LOOP_CLR_FD) = 0 [pid 420] close(3) = 0 [pid 419] <... futex resumed>) = 0 [pid 420] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 420] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 419] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 419] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] <... futex resumed>) = 0 [pid 420] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 420] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = 0 [pid 419] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] <... futex resumed>) = 1 [pid 420] creat(0x200000000040, 000) = 3 [pid 420] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = 0 [pid 419] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] <... futex resumed>) = 1 [pid 420] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 420] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = 0 [pid 419] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] <... futex resumed>) = 1 [pid 420] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 420] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = 0 [pid 419] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] <... futex resumed>) = 1 [pid 419] <... futex resumed>) = 0 [pid 419] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] write(5, 0x200000000080, 34136651) = 131072 [pid 420] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 419] <... futex resumed>) = 0 [pid 419] close(3 [pid 420] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 419] <... close resumed>) = 0 [pid 419] close(4) = 0 [pid 419] close(5) = 0 [pid 419] close(6) = -1 EBADF (Bad file descriptor) [pid 419] close(7) = -1 EBADF (Bad file descriptor) [pid 419] close(8) = -1 EBADF (Bad file descriptor) [pid 419] close(9) = -1 EBADF (Bad file descriptor) [pid 419] close(10) = -1 EBADF (Bad file descriptor) [pid 419] close(11) = -1 EBADF (Bad file descriptor) [pid 419] close(12) = -1 EBADF (Bad file descriptor) [pid 419] close(13) = -1 EBADF (Bad file descriptor) [pid 419] close(14) = -1 EBADF (Bad file descriptor) [pid 419] close(15) = -1 EBADF (Bad file descriptor) [pid 419] close(16) = -1 EBADF (Bad file descriptor) [pid 419] close(17) = -1 EBADF (Bad file descriptor) [pid 419] close(18) = -1 EBADF (Bad file descriptor) [pid 419] close(19) = -1 EBADF (Bad file descriptor) [pid 419] close(20) = -1 EBADF (Bad file descriptor) [pid 419] close(21) = -1 EBADF (Bad file descriptor) [pid 419] close(22) = -1 EBADF (Bad file descriptor) [pid 419] close(23) = -1 EBADF (Bad file descriptor) [pid 419] close(24) = -1 EBADF (Bad file descriptor) [pid 419] close(25) = -1 EBADF (Bad file descriptor) [pid 419] close(26) = -1 EBADF (Bad file descriptor) [pid 419] close(27) = -1 EBADF (Bad file descriptor) [pid 419] close(28) = -1 EBADF (Bad file descriptor) [pid 419] close(29) = -1 EBADF (Bad file descriptor) [pid 419] exit_group(0 [pid 421] <... futex resumed>) = ? [pid 419] <... exit_group resumed>) = ? [pid 421] +++ exited with 0 +++ [pid 420] <... futex resumed>) = ? [pid 420] +++ exited with 0 +++ [pid 419] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=129, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 35.578389][ T420] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 132 ./strace-static-x86_64: Process 422 attached [pid 422] set_robust_list(0x5555721e9760, 24) = 0 [pid 422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 422] setpgid(0, 0) = 0 [pid 422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 422] write(3, "1000", 4) = 4 [pid 422] close(3) = 0 [pid 422] write(1, "executing program\n", 18executing program ) = 18 [pid 422] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 422] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 422] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 422] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[133]}, 88) = 133 [pid 422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 422] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 422] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 422] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[134]}, 88) = 134 [pid 422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 422] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 423 attached ./strace-static-x86_64: Process 424 attached [pid 423] set_robust_list(0x7f087a8a99a0, 24 [pid 424] set_robust_list(0x7f087a8889a0, 24 [pid 423] <... set_robust_list resumed>) = 0 [pid 423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 424] <... set_robust_list resumed>) = 0 [pid 424] rt_sigprocmask(SIG_SETMASK, [], [pid 423] memfd_create("syzkaller", 0 [pid 424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 424] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 423] <... memfd_create resumed>) = 4 [pid 423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 423] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 423] munmap(0x7f0872468000, 138412032) = 0 [pid 423] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 423] ioctl(5, LOOP_SET_FD, 4 [pid 424] <... openat resumed>) = 3 [pid 424] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] <... futex resumed>) = 1 [pid 424] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 424] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] <... futex resumed>) = 1 [pid 424] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 424] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 424] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] <... futex resumed>) = 1 [pid 424] creat(0x200000000040, 000 [pid 423] <... ioctl resumed>) = 0 [pid 423] close(4) = 0 [pid 423] close(5) = 0 [pid 423] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 423] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 423] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 423] ioctl(4, LOOP_CLR_FD) = 0 [pid 423] close(4) = 0 [pid 423] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 423] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 424] <... creat resumed>) = 6 [pid 424] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 422] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... futex resumed>) = 0 [pid 423] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 424] <... futex resumed>) = 1 [pid 423] <... mount resumed>) = 0 [pid 424] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 423] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... futex resumed>) = 1 [pid 423] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 423] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... futex resumed>) = 1 [pid 423] write(4, 0x200000000080, 34136651) = 131072 [pid 423] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 422] <... futex resumed>) = 0 [pid 422] close(3) = 0 [pid 422] close(4) = 0 [pid 422] close(5) = -1 EBADF (Bad file descriptor) [pid 422] close(6) = 0 [pid 422] close(7) = -1 EBADF (Bad file descriptor) [pid 422] close(8) = -1 EBADF (Bad file descriptor) [pid 422] close(9) = -1 EBADF (Bad file descriptor) [pid 422] close(10) = -1 EBADF (Bad file descriptor) [pid 422] close(11) = -1 EBADF (Bad file descriptor) [pid 422] close(12) = -1 EBADF (Bad file descriptor) [pid 422] close(13) = -1 EBADF (Bad file descriptor) [pid 422] close(14) = -1 EBADF (Bad file descriptor) [pid 422] close(15) = -1 EBADF (Bad file descriptor) [pid 422] close(16) = -1 EBADF (Bad file descriptor) [pid 422] close(17) = -1 EBADF (Bad file descriptor) [pid 422] close(18) = -1 EBADF (Bad file descriptor) [pid 422] close(19) = -1 EBADF (Bad file descriptor) [pid 422] close(20) = -1 EBADF (Bad file descriptor) [pid 422] close(21) = -1 EBADF (Bad file descriptor) [pid 422] close(22) = -1 EBADF (Bad file descriptor) [pid 422] close(23) = -1 EBADF (Bad file descriptor) [pid 422] close(24) = -1 EBADF (Bad file descriptor) [pid 422] close(25) = -1 EBADF (Bad file descriptor) [pid 422] close(26) = -1 EBADF (Bad file descriptor) [pid 422] close(27) = -1 EBADF (Bad file descriptor) [pid 422] close(28) = -1 EBADF (Bad file descriptor) [pid 422] close(29) = -1 EBADF (Bad file descriptor) [pid 422] exit_group(0) = ? [pid 424] <... futex resumed>) = ? [pid 424] +++ exited with 0 +++ [pid 423] +++ exited with 0 +++ [pid 422] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 135 ./strace-static-x86_64: Process 425 attached [pid 425] set_robust_list(0x5555721e9760, 24) = 0 [pid 425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 425] setpgid(0, 0) = 0 [pid 425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 425] write(3, "1000", 4) = 4 [pid 425] close(3) = 0 [pid 425] write(1, "executing program\n", 18) = 18 [pid 425] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 425] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 425] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[136]}, 88) = 136 [pid 425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 425] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 425] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 425] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[137]}, 88) = 137 [pid 425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 425] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 427 attached [pid 427] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 427] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 427] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 426 attached [pid 426] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 426] memfd_create("syzkaller", 0) = 4 [pid 426] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 426] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 427] <... openat resumed>) = 3 [pid 427] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 425] <... futex resumed>) = 0 [pid 425] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 427] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 426] <... write resumed>) = 131072 [pid 425] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... mmap resumed>) = 0x200000000000 [pid 427] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 425] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 1 [pid 427] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 427] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 426] munmap(0x7f0872468000, 138412032 [pid 427] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [ 35.694301][ T423] loop0: detected capacity change from 0 to 256 [pid 425] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 1 [pid 427] creat(0x200000000040, 000) = 5 [pid 427] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 425] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 1 [pid 427] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 427] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 425] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 1 [pid 427] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 427] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 425] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 1 [pid 427] write(6, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 427] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 427] <... futex resumed>) = 1 [pid 427] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 426] <... munmap resumed>) = 0 [pid 426] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7 [pid 426] ioctl(7, LOOP_SET_FD, 4) = 0 [pid 426] close(4) = 0 [pid 426] close(7) = 0 [pid 426] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 426] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 426] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 426] ioctl(4, LOOP_CLR_FD) = 0 [pid 426] close(4) = 0 [pid 426] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 425] close(3) = 0 [pid 425] close(4) = -1 EBADF (Bad file descriptor) [pid 425] close(5) = 0 [pid 425] close(6) = 0 [pid 425] close(7) = -1 EBADF (Bad file descriptor) [pid 425] close(8) = -1 EBADF (Bad file descriptor) [pid 425] close(9) = -1 EBADF (Bad file descriptor) [pid 425] close(10) = -1 EBADF (Bad file descriptor) [pid 425] close(11) = -1 EBADF (Bad file descriptor) [pid 425] close(12) = -1 EBADF (Bad file descriptor) [pid 425] close(13) = -1 EBADF (Bad file descriptor) [pid 425] close(14) = -1 EBADF (Bad file descriptor) [pid 425] close(15) = -1 EBADF (Bad file descriptor) [pid 425] close(16) = -1 EBADF (Bad file descriptor) [pid 425] close(17) = -1 EBADF (Bad file descriptor) [pid 425] close(18) = -1 EBADF (Bad file descriptor) [pid 425] close(19) = -1 EBADF (Bad file descriptor) [pid 425] close(20) = -1 EBADF (Bad file descriptor) [pid 425] close(21) = -1 EBADF (Bad file descriptor) [pid 425] close(22) = -1 EBADF (Bad file descriptor) [pid 425] close(23) = -1 EBADF (Bad file descriptor) [pid 425] close(24) = -1 EBADF (Bad file descriptor) [pid 425] close(25) = -1 EBADF (Bad file descriptor) [pid 425] close(26) = -1 EBADF (Bad file descriptor) [pid 425] close(27) = -1 EBADF (Bad file descriptor) [pid 425] close(28) = -1 EBADF (Bad file descriptor) [pid 425] close(29) = -1 EBADF (Bad file descriptor) [pid 425] exit_group(0) = ? [pid 426] <... futex resumed>) = ? [pid 426] +++ exited with 0 +++ [pid 427] <... futex resumed>) = ? [pid 427] +++ exited with 0 +++ [pid 425] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 138 ./strace-static-x86_64: Process 428 attached [pid 428] set_robust_list(0x5555721e9760, 24) = 0 [pid 428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 428] setpgid(0, 0) = 0 [pid 428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 428] write(3, "1000", 4) = 4 [pid 428] close(3executing program ) = 0 [pid 428] write(1, "executing program\n", 18) = 18 [pid 428] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 428] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 428] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 428] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[139]}, 88) = 139 [pid 428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 428] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 428] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 428] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[140]}, 88) = 140 [pid 428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 428] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 429 attached [pid 429] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 429] memfd_create("syzkaller", 0) = 3 [pid 429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 429] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 429] munmap(0x7f0872468000, 138412032) = 0 [pid 429] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 35.760872][ T426] loop0: detected capacity change from 0 to 256 [pid 429] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 430 attached [pid 430] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 429] <... ioctl resumed>) = 0 [pid 429] close(3) = 0 [pid 429] close(4 [pid 430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 430] openat(AT_FDCWD, "/selinux/policy", O_RDONLY) = 3 [pid 430] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 428] <... futex resumed>) = 0 [pid 428] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 430] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... futex resumed>) = 0 [pid 428] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... futex resumed>) = 1 [pid 430] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 430] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 430] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... futex resumed>) = 0 [pid 428] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... futex resumed>) = 1 [pid 430] creat(0x200000000040, 000 [pid 429] <... close resumed>) = 0 [pid 430] <... creat resumed>) = 4 [pid 430] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... futex resumed>) = 0 [pid 428] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... futex resumed>) = 1 [pid 430] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 430] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... futex resumed>) = 0 [pid 428] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... futex resumed>) = 1 [pid 430] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 430] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... futex resumed>) = 0 [pid 428] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... futex resumed>) = 1 [pid 430] write(5, 0x200000000080, 34136651 [pid 429] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 429] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 429] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 429] ioctl(6, LOOP_CLR_FD) = 0 [pid 429] close(6) = 0 [pid 429] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 429] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 430] <... write resumed>) = 131072 [pid 430] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 428] <... futex resumed>) = 0 [pid 428] close(3) = 0 [pid 428] close(4) = 0 [pid 428] close(5) = 0 [pid 428] close(6) = -1 EBADF (Bad file descriptor) [pid 428] close(7) = -1 EBADF (Bad file descriptor) [pid 428] close(8) = -1 EBADF (Bad file descriptor) [pid 428] close(9) = -1 EBADF (Bad file descriptor) [pid 428] close(10) = -1 EBADF (Bad file descriptor) [pid 428] close(11) = -1 EBADF (Bad file descriptor) [pid 428] close(12) = -1 EBADF (Bad file descriptor) [pid 428] close(13) = -1 EBADF (Bad file descriptor) [pid 428] close(14) = -1 EBADF (Bad file descriptor) [pid 428] close(15) = -1 EBADF (Bad file descriptor) [pid 428] close(16) = -1 EBADF (Bad file descriptor) [pid 428] close(17) = -1 EBADF (Bad file descriptor) [pid 428] close(18) = -1 EBADF (Bad file descriptor) [pid 428] close(19) = -1 EBADF (Bad file descriptor) [pid 428] close(20) = -1 EBADF (Bad file descriptor) [pid 428] close(21) = -1 EBADF (Bad file descriptor) [pid 428] close(22) = -1 EBADF (Bad file descriptor) [pid 428] close(23) = -1 EBADF (Bad file descriptor) [pid 428] close(24) = -1 EBADF (Bad file descriptor) [pid 428] close(25) = -1 EBADF (Bad file descriptor) [pid 428] close(26) = -1 EBADF (Bad file descriptor) [pid 428] close(27) = -1 EBADF (Bad file descriptor) [pid 428] close(28) = -1 EBADF (Bad file descriptor) [pid 428] close(29) = -1 EBADF (Bad file descriptor) [pid 428] exit_group(0) = ? [pid 429] <... futex resumed>) = ? [pid 429] +++ exited with 0 +++ [pid 430] +++ exited with 0 +++ [pid 428] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 35.806122][ T429] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 141 ./strace-static-x86_64: Process 431 attached [pid 431] set_robust_list(0x5555721e9760, 24) = 0 [pid 431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 431] setpgid(0, 0) = 0 [pid 431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 431] write(3, "1000", 4) = 4 [pid 431] close(3) = 0 [pid 431] write(1, "executing program\n", 18executing program ) = 18 [pid 431] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 431] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[142]}, 88) = 142 [pid 431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 431] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 431] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[143]}, 88) = 143 [pid 431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 431] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 433 attached [pid 433] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 433] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 432 attached [pid 432] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 432] memfd_create("syzkaller", 0) = 4 [pid 432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 432] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 432] munmap(0x7f0872468000, 138412032) = 0 [pid 432] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 432] ioctl(5, LOOP_SET_FD, 4 [pid 433] <... openat resumed>) = 3 [pid 433] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] <... futex resumed>) = 0 [pid 431] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 433] <... futex resumed>) = 1 [pid 433] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 433] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] <... futex resumed>) = 0 [pid 431] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 433] <... futex resumed>) = 1 [pid 433] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 433] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 433] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] <... futex resumed>) = 0 [pid 431] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 433] <... futex resumed>) = 1 [pid 433] creat(0x200000000040, 000) = 6 [pid 433] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 431] <... futex resumed>) = 0 [pid 433] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 431] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 433] <... mount resumed>) = 0 [pid 431] <... futex resumed>) = 0 [pid 433] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 433] <... futex resumed>) = 0 [pid 431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 433] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 431] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 433] <... open resumed>) = 7 [pid 431] <... futex resumed>) = 0 [pid 433] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 433] <... futex resumed>) = 0 [pid 431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 433] write(7, 0x200000000080, 34136651 [pid 431] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... ioctl resumed>) = 0 [pid 431] <... futex resumed>) = 0 [pid 432] close(4) = 0 [pid 432] close(5) = 0 [pid 432] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 432] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 432] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 432] ioctl(4, LOOP_CLR_FD) = 0 [pid 432] close(4) = 0 [pid 432] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 432] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 433] <... write resumed>) = 131072 [pid 433] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 431] <... futex resumed>) = 0 [pid 433] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] close(3) = 0 [pid 431] close(4) = -1 EBADF (Bad file descriptor) [pid 431] close(5) = -1 EBADF (Bad file descriptor) [pid 431] close(6) = 0 [pid 431] close(7) = 0 [pid 431] close(8) = -1 EBADF (Bad file descriptor) [pid 431] close(9) = -1 EBADF (Bad file descriptor) [pid 431] close(10) = -1 EBADF (Bad file descriptor) [pid 431] close(11) = -1 EBADF (Bad file descriptor) [pid 431] close(12) = -1 EBADF (Bad file descriptor) [pid 431] close(13) = -1 EBADF (Bad file descriptor) [pid 431] close(14) = -1 EBADF (Bad file descriptor) [pid 431] close(15) = -1 EBADF (Bad file descriptor) [pid 431] close(16) = -1 EBADF (Bad file descriptor) [pid 431] close(17) = -1 EBADF (Bad file descriptor) [pid 431] close(18) = -1 EBADF (Bad file descriptor) [pid 431] close(19) = -1 EBADF (Bad file descriptor) [pid 431] close(20) = -1 EBADF (Bad file descriptor) [pid 431] close(21) = -1 EBADF (Bad file descriptor) [pid 431] close(22) = -1 EBADF (Bad file descriptor) [pid 431] close(23) = -1 EBADF (Bad file descriptor) [pid 431] close(24) = -1 EBADF (Bad file descriptor) [pid 431] close(25) = -1 EBADF (Bad file descriptor) [pid 431] close(26) = -1 EBADF (Bad file descriptor) [pid 431] close(27) = -1 EBADF (Bad file descriptor) [pid 431] close(28) = -1 EBADF (Bad file descriptor) [pid 431] close(29) = -1 EBADF (Bad file descriptor) [pid 431] exit_group(0) = ? [pid 433] <... futex resumed>) = ? [pid 433] +++ exited with 0 +++ [pid 432] <... futex resumed>) = ? [pid 432] +++ exited with 0 +++ [pid 431] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=141, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 144 ./strace-static-x86_64: Process 434 attached [pid 434] set_robust_list(0x5555721e9760, 24) = 0 [pid 434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 434] setpgid(0, 0) = 0 [pid 434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 434] write(3, "1000", 4) = 4 [pid 434] close(3) = 0 [pid 434] write(1, "executing program\n", 18executing program ) = 18 [pid 434] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 434] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 434] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[145]}, 88) = 145 [pid 434] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 434] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 434] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 434] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[146]}, 88) = 146 [pid 434] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 434] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 436 attached [pid 436] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 436] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 435 attached [pid 435] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 435] memfd_create("syzkaller", 0) = 4 [pid 435] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 435] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 435] munmap(0x7f0872468000, 138412032) = 0 [pid 435] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [ 35.934724][ T432] loop0: detected capacity change from 0 to 256 [pid 435] ioctl(5, LOOP_SET_FD, 4 [pid 436] <... openat resumed>) = 3 [pid 436] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 434] <... futex resumed>) = 0 [pid 434] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 436] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 436] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 434] <... futex resumed>) = 0 [pid 434] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 436] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 436] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 436] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 434] <... futex resumed>) = 0 [pid 434] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 436] creat(0x200000000040, 000) = 6 [pid 436] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 434] <... futex resumed>) = 0 [pid 434] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 436] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 436] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 434] <... futex resumed>) = 0 [pid 434] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 436] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 436] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 434] <... futex resumed>) = 0 [pid 434] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 436] write(7, 0x200000000080, 34136651 [pid 435] <... ioctl resumed>) = 0 [pid 435] close(4) = 0 [pid 435] close(5) = 0 [pid 435] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 435] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 435] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 435] ioctl(4, LOOP_CLR_FD) = 0 [pid 435] close(4) = 0 [pid 435] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 436] <... write resumed>) = 131072 [pid 436] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 436] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 434] <... futex resumed>) = 0 [pid 434] close(3) = 0 [pid 434] close(4) = -1 EBADF (Bad file descriptor) [pid 434] close(5) = -1 EBADF (Bad file descriptor) [pid 434] close(6) = 0 [pid 434] close(7) = 0 [pid 434] close(8) = -1 EBADF (Bad file descriptor) [pid 434] close(9) = -1 EBADF (Bad file descriptor) [pid 434] close(10) = -1 EBADF (Bad file descriptor) [pid 434] close(11) = -1 EBADF (Bad file descriptor) [pid 434] close(12) = -1 EBADF (Bad file descriptor) [pid 434] close(13) = -1 EBADF (Bad file descriptor) [pid 434] close(14) = -1 EBADF (Bad file descriptor) [pid 434] close(15) = -1 EBADF (Bad file descriptor) [pid 434] close(16) = -1 EBADF (Bad file descriptor) [pid 434] close(17) = -1 EBADF (Bad file descriptor) [pid 434] close(18) = -1 EBADF (Bad file descriptor) [pid 434] close(19) = -1 EBADF (Bad file descriptor) [pid 434] close(20) = -1 EBADF (Bad file descriptor) [pid 434] close(21) = -1 EBADF (Bad file descriptor) [pid 434] close(22) = -1 EBADF (Bad file descriptor) [pid 434] close(23) = -1 EBADF (Bad file descriptor) [pid 434] close(24) = -1 EBADF (Bad file descriptor) [pid 434] close(25) = -1 EBADF (Bad file descriptor) [pid 434] close(26) = -1 EBADF (Bad file descriptor) [pid 434] close(27) = -1 EBADF (Bad file descriptor) [pid 434] close(28) = -1 EBADF (Bad file descriptor) [pid 434] close(29) = -1 EBADF (Bad file descriptor) [pid 434] exit_group(0 [pid 435] <... futex resumed>) = ? [pid 436] <... futex resumed>) = ? [pid 435] +++ exited with 0 +++ [pid 434] <... exit_group resumed>) = ? [pid 436] +++ exited with 0 +++ [pid 434] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 35.992716][ T435] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 147 ./strace-static-x86_64: Process 437 attached [pid 437] set_robust_list(0x5555721e9760, 24) = 0 [pid 437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 437] setpgid(0, 0) = 0 [pid 437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 437] write(3, "1000", 4) = 4 [pid 437] close(3) = 0 [pid 437] write(1, "executing program\n", 18executing program ) = 18 [pid 437] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 437] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 437] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[148]}, 88) = 148 [pid 437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 437] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 437] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 437] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[149]}, 88) = 149 [pid 437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 437] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 438 attached [pid 438] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 438] memfd_create("syzkaller", 0) = 3 [pid 438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 438] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 438] munmap(0x7f0872468000, 138412032) = 0 [pid 438] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 438] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 439 attached [pid 439] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 439] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 438] <... ioctl resumed>) = 0 [pid 438] close(3) = 0 [pid 438] close(4) = 0 [pid 438] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 438] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 439] <... openat resumed>) = 5 [pid 439] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 439] <... futex resumed>) = 1 [pid 439] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 439] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 439] <... futex resumed>) = 1 [pid 439] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 439] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 439] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 439] <... futex resumed>) = 1 [pid 439] creat(0x200000000040, 000) = 3 [pid 439] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 439] <... futex resumed>) = 1 [pid 439] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 439] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 439] <... futex resumed>) = 1 [pid 439] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 439] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 36.081722][ T438] loop0: detected capacity change from 0 to 256 [ 36.091196][ T438] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 36.103857][ T438] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [pid 437] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 439] <... futex resumed>) = 1 [pid 439] write(4, 0x200000000080, 34136651) = 131072 [pid 439] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 439] <... futex resumed>) = 1 [pid 439] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 438] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 438] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 438] ioctl(6, LOOP_CLR_FD) = 0 [pid 438] close(6) = 0 [pid 438] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 438] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 437] close(3) = 0 [ 36.118772][ T438] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d) [ 36.136341][ T438] exFAT-fs (loop0): failed to load alloc-bitmap [ 36.143514][ T438] exFAT-fs (loop0): failed to recognize exfat type [pid 437] close(4) = 0 [pid 437] close(5) = 0 [pid 437] close(6) = -1 EBADF (Bad file descriptor) [pid 437] close(7) = -1 EBADF (Bad file descriptor) [pid 437] close(8) = -1 EBADF (Bad file descriptor) [pid 437] close(9) = -1 EBADF (Bad file descriptor) [pid 437] close(10) = -1 EBADF (Bad file descriptor) [pid 437] close(11) = -1 EBADF (Bad file descriptor) [pid 437] close(12) = -1 EBADF (Bad file descriptor) [pid 437] close(13) = -1 EBADF (Bad file descriptor) [pid 437] close(14) = -1 EBADF (Bad file descriptor) [pid 437] close(15) = -1 EBADF (Bad file descriptor) [pid 437] close(16) = -1 EBADF (Bad file descriptor) [pid 437] close(17) = -1 EBADF (Bad file descriptor) [pid 437] close(18) = -1 EBADF (Bad file descriptor) [pid 437] close(19) = -1 EBADF (Bad file descriptor) [pid 437] close(20) = -1 EBADF (Bad file descriptor) [pid 437] close(21) = -1 EBADF (Bad file descriptor) [pid 437] close(22) = -1 EBADF (Bad file descriptor) [pid 437] close(23) = -1 EBADF (Bad file descriptor) [pid 437] close(24) = -1 EBADF (Bad file descriptor) [pid 437] close(25) = -1 EBADF (Bad file descriptor) [pid 437] close(26) = -1 EBADF (Bad file descriptor) [pid 437] close(27) = -1 EBADF (Bad file descriptor) [pid 437] close(28) = -1 EBADF (Bad file descriptor) [pid 437] close(29) = -1 EBADF (Bad file descriptor) [pid 437] exit_group(0) = ? [pid 439] <... futex resumed>) = ? [pid 439] +++ exited with 0 +++ [pid 438] <... futex resumed>) = ? [pid 438] +++ exited with 0 +++ [pid 437] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=147, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 150 ./strace-static-x86_64: Process 440 attached [pid 440] set_robust_list(0x5555721e9760, 24) = 0 [pid 440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 440] setpgid(0, 0) = 0 [pid 440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 440] write(3, "1000", 4) = 4 [pid 440] close(3) = 0 [pid 440] write(1, "executing program\n", 18executing program ) = 18 [pid 440] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 440] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[151]}, 88) = 151 [pid 440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 440] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 440] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[152]}, 88) = 152 [pid 440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 440] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 442 attached [pid 442] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 442] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 441 attached [pid 441] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 441] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 441] memfd_create("syzkaller", 0) = 4 [pid 441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 441] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 442] <... openat resumed>) = 3 [pid 442] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] <... futex resumed>) = 0 [pid 440] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 442] <... futex resumed>) = 1 [pid 442] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 442] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] <... futex resumed>) = 0 [pid 440] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 442] <... futex resumed>) = 1 [pid 442] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 442] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 442] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] <... futex resumed>) = 0 [pid 440] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 442] <... futex resumed>) = 1 [pid 442] creat(0x200000000040, 000) = 5 [pid 442] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] <... futex resumed>) = 0 [pid 440] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 442] <... futex resumed>) = 1 [pid 442] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 442] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] <... futex resumed>) = 0 [pid 440] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 442] <... futex resumed>) = 1 [pid 442] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 442] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] <... futex resumed>) = 0 [pid 440] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 442] <... futex resumed>) = 1 [pid 442] write(6, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 442] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] <... futex resumed>) = 0 [pid 442] <... futex resumed>) = 1 [pid 442] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 441] <... write resumed>) = 131072 [pid 441] munmap(0x7f0872468000, 138412032) = 0 [pid 441] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7 [pid 441] ioctl(7, LOOP_SET_FD, 4) = 0 [pid 441] close(4) = 0 [pid 441] close(7) = 0 [pid 441] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 441] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 441] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 441] ioctl(4, LOOP_CLR_FD) = 0 [pid 441] close(4) = 0 [pid 441] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] close(3) = 0 [pid 440] close(4) = -1 EBADF (Bad file descriptor) [pid 440] close(5) = 0 [pid 440] close(6) = 0 [pid 440] close(7) = -1 EBADF (Bad file descriptor) [pid 440] close(8) = -1 EBADF (Bad file descriptor) [pid 440] close(9) = -1 EBADF (Bad file descriptor) [pid 440] close(10) = -1 EBADF (Bad file descriptor) [pid 440] close(11) = -1 EBADF (Bad file descriptor) [pid 440] close(12) = -1 EBADF (Bad file descriptor) [pid 440] close(13) = -1 EBADF (Bad file descriptor) [pid 440] close(14) = -1 EBADF (Bad file descriptor) [pid 440] close(15) = -1 EBADF (Bad file descriptor) [pid 440] close(16) = -1 EBADF (Bad file descriptor) [pid 440] close(17) = -1 EBADF (Bad file descriptor) [pid 440] close(18) = -1 EBADF (Bad file descriptor) [pid 440] close(19) = -1 EBADF (Bad file descriptor) [pid 440] close(20) = -1 EBADF (Bad file descriptor) [pid 440] close(21) = -1 EBADF (Bad file descriptor) [pid 440] close(22) = -1 EBADF (Bad file descriptor) [pid 440] close(23) = -1 EBADF (Bad file descriptor) [pid 440] close(24) = -1 EBADF (Bad file descriptor) [pid 440] close(25) = -1 EBADF (Bad file descriptor) [pid 440] close(26) = -1 EBADF (Bad file descriptor) [pid 440] close(27) = -1 EBADF (Bad file descriptor) [pid 440] close(28 [pid 441] <... futex resumed>) = 0 [pid 440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 440] close(29) = -1 EBADF (Bad file descriptor) [pid 440] exit_group(0 [pid 442] <... futex resumed>) = ? [pid 440] <... exit_group resumed>) = ? [pid 442] +++ exited with 0 +++ [pid 441] +++ exited with 0 +++ [pid 440] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 36.248197][ T441] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWRexecuting program ) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 153 ./strace-static-x86_64: Process 443 attached [pid 443] set_robust_list(0x5555721e9760, 24) = 0 [pid 443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 443] setpgid(0, 0) = 0 [pid 443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 443] write(3, "1000", 4) = 4 [pid 443] close(3) = 0 [pid 443] write(1, "executing program\n", 18) = 18 [pid 443] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 443] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 443] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[154]}, 88) = 154 [pid 443] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 443] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 443] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 443] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[155]}, 88) = 155 [pid 443] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 443] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 444 attached [pid 444] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 444] memfd_create("syzkaller", 0./strace-static-x86_64: Process 445 attached ) = 3 [pid 444] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 444] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 444] munmap(0x7f0872468000, 138412032) = 0 [pid 444] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 444] ioctl(4, LOOP_SET_FD, 3 [pid 445] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 445] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 444] <... ioctl resumed>) = 0 [pid 444] close(3) = 0 [pid 444] close(4) = 0 [pid 444] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 444] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 445] <... openat resumed>) = 5 [pid 445] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 445] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 443] <... futex resumed>) = 0 [pid 443] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 443] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 0 [pid 445] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 445] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] <... futex resumed>) = 0 [pid 443] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 1 [pid 445] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 445] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 445] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] <... futex resumed>) = 0 [pid 443] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 1 [pid 445] creat(0x200000000040, 000) = 3 [pid 445] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] <... futex resumed>) = 0 [pid 443] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 1 [pid 445] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 445] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] <... futex resumed>) = 0 [pid 443] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 1 [pid 445] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 445] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] <... futex resumed>) = 0 [pid 443] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 1 [ 36.329092][ T444] loop0: detected capacity change from 0 to 256 [ 36.341354][ T444] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 36.355467][ T444] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [pid 445] write(4, 0x200000000080, 34136651) = 131072 [pid 445] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] <... futex resumed>) = 0 [pid 445] <... futex resumed>) = 1 [pid 445] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 444] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 444] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 444] ioctl(6, LOOP_CLR_FD) = 0 [pid 444] close(6) = 0 [pid 444] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 444] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 443] close(3) = 0 [ 36.369469][ T444] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d) [ 36.392537][ T444] exFAT-fs (loop0): failed to load alloc-bitmap [ 36.402049][ T444] exFAT-fs (loop0): failed to recognize exfat type [pid 443] close(4) = 0 [pid 443] close(5) = 0 [pid 443] close(6) = -1 EBADF (Bad file descriptor) [pid 443] close(7) = -1 EBADF (Bad file descriptor) [pid 443] close(8) = -1 EBADF (Bad file descriptor) [pid 443] close(9) = -1 EBADF (Bad file descriptor) [pid 443] close(10) = -1 EBADF (Bad file descriptor) [pid 443] close(11) = -1 EBADF (Bad file descriptor) [pid 443] close(12) = -1 EBADF (Bad file descriptor) [pid 443] close(13) = -1 EBADF (Bad file descriptor) [pid 443] close(14) = -1 EBADF (Bad file descriptor) [pid 443] close(15) = -1 EBADF (Bad file descriptor) [pid 443] close(16) = -1 EBADF (Bad file descriptor) [pid 443] close(17) = -1 EBADF (Bad file descriptor) [pid 443] close(18) = -1 EBADF (Bad file descriptor) [pid 443] close(19) = -1 EBADF (Bad file descriptor) [pid 443] close(20) = -1 EBADF (Bad file descriptor) [pid 443] close(21) = -1 EBADF (Bad file descriptor) [pid 443] close(22) = -1 EBADF (Bad file descriptor) [pid 443] close(23) = -1 EBADF (Bad file descriptor) [pid 443] close(24) = -1 EBADF (Bad file descriptor) [pid 443] close(25) = -1 EBADF (Bad file descriptor) [pid 443] close(26) = -1 EBADF (Bad file descriptor) [pid 443] close(27) = -1 EBADF (Bad file descriptor) [pid 443] close(28) = -1 EBADF (Bad file descriptor) [pid 443] close(29) = -1 EBADF (Bad file descriptor) [pid 443] exit_group(0) = ? [pid 445] <... futex resumed>) = ? [pid 444] <... futex resumed>) = ? [pid 445] +++ exited with 0 +++ [pid 444] +++ exited with 0 +++ [pid 443] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=153, si_uid=0, si_status=0, si_utime=0, si_stime=9} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 156 ./strace-static-x86_64: Process 446 attached [pid 446] set_robust_list(0x5555721e9760, 24) = 0 [pid 446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 446] setpgid(0, 0) = 0 [pid 446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 446] write(3, "1000", 4) = 4 [pid 446] close(3) = 0 [pid 446] write(1, "executing program\n", 18executing program ) = 18 [pid 446] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 446] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 446] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[157]}, 88) = 157 [pid 446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 446] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 446] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 446] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[158]}, 88) = 158 [pid 446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 446] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 447 attached [pid 447] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 447] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 447] memfd_create("syzkaller", 0) = 3 [pid 447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 ./strace-static-x86_64: Process 448 attached [pid 448] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 448] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 447] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 447] munmap(0x7f0872468000, 138412032) = 0 [pid 447] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 447] ioctl(5, LOOP_SET_FD, 3 [pid 448] <... openat resumed>) = 4 [pid 448] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 448] <... futex resumed>) = 1 [pid 448] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 448] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 448] <... futex resumed>) = 1 [pid 448] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 448] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 448] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 448] <... futex resumed>) = 1 [pid 448] creat(0x200000000040, 000) = 6 [pid 448] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 448] <... futex resumed>) = 1 [pid 448] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 448] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 448] <... futex resumed>) = 1 [pid 448] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 448] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 448] <... futex resumed>) = 1 [pid 448] write(7, 0x200000000080, 34136651 [pid 447] <... ioctl resumed>) = 0 [pid 447] close(3) = 0 [pid 447] close(5) = 0 [pid 447] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 447] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 447] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 447] ioctl(3, LOOP_CLR_FD) = 0 [pid 447] close(3) = 0 [pid 447] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 447] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 448] <... write resumed>) = 131072 [pid 448] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 446] <... futex resumed>) = 0 [pid 446] close(3) = -1 EBADF (Bad file descriptor) [pid 446] close(4) = 0 [pid 446] close(5) = -1 EBADF (Bad file descriptor) [pid 446] close(6 [pid 448] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 446] <... close resumed>) = 0 [pid 446] close(7) = 0 [pid 446] close(8) = -1 EBADF (Bad file descriptor) [pid 446] close(9) = -1 EBADF (Bad file descriptor) [pid 446] close(10) = -1 EBADF (Bad file descriptor) [pid 446] close(11) = -1 EBADF (Bad file descriptor) [pid 446] close(12) = -1 EBADF (Bad file descriptor) [pid 446] close(13) = -1 EBADF (Bad file descriptor) [pid 446] close(14) = -1 EBADF (Bad file descriptor) [pid 446] close(15) = -1 EBADF (Bad file descriptor) [pid 446] close(16) = -1 EBADF (Bad file descriptor) [pid 446] close(17) = -1 EBADF (Bad file descriptor) [pid 446] close(18) = -1 EBADF (Bad file descriptor) [pid 446] close(19) = -1 EBADF (Bad file descriptor) [pid 446] close(20) = -1 EBADF (Bad file descriptor) [pid 446] close(21) = -1 EBADF (Bad file descriptor) [pid 446] close(22) = -1 EBADF (Bad file descriptor) [pid 446] close(23) = -1 EBADF (Bad file descriptor) [pid 446] close(24) = -1 EBADF (Bad file descriptor) [pid 446] close(25) = -1 EBADF (Bad file descriptor) [pid 446] close(26) = -1 EBADF (Bad file descriptor) [pid 446] close(27) = -1 EBADF (Bad file descriptor) [pid 446] close(28) = -1 EBADF (Bad file descriptor) [pid 446] close(29) = -1 EBADF (Bad file descriptor) [pid 446] exit_group(0) = ? [pid 448] <... futex resumed>) = ? [pid 447] <... futex resumed>) = ? [pid 447] +++ exited with 0 +++ [pid 448] +++ exited with 0 +++ [pid 446] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 159 ./strace-static-x86_64: Process 449 attached [pid 449] set_robust_list(0x5555721e9760, 24) = 0 [pid 449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 449] setpgid(0, 0) = 0 [pid 449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 449] write(3, "1000", 4) = 4 [pid 449] close(3) = 0 [pid 449] write(1, "executing program\n", 18executing program ) = 18 [pid 449] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 449] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 449] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 449] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[160]}, 88) = 160 [pid 449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 449] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 449] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 449] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[161]}, 88) = 161 [pid 449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 449] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 450 attached [pid 450] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 450] memfd_create("syzkaller", 0) = 3 [pid 450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 450] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 450] munmap(0x7f0872468000, 138412032) = 0 [pid 450] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 36.514743][ T447] loop0: detected capacity change from 0 to 256 [pid 450] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 451 attached ) = 0 [pid 451] set_robust_list(0x7f087a8889a0, 24 [pid 450] close(3 [pid 451] <... set_robust_list resumed>) = 0 [pid 450] <... close resumed>) = 0 [pid 451] rt_sigprocmask(SIG_SETMASK, [], [pid 450] close(4 [pid 451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 451] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 450] <... close resumed>) = 0 [pid 450] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 450] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 451] <... openat resumed>) = 3 [pid 451] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 451] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 449] <... futex resumed>) = 0 [pid 449] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 449] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... futex resumed>) = 0 [pid 451] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 451] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... futex resumed>) = 0 [pid 449] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... futex resumed>) = 1 [pid 451] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 451] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 451] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... futex resumed>) = 0 [pid 449] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... futex resumed>) = 1 [pid 451] creat(0x200000000040, 000) = 4 [pid 451] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... futex resumed>) = 0 [pid 449] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... futex resumed>) = 1 [pid 451] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 451] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... futex resumed>) = 0 [pid 449] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... futex resumed>) = 1 [ 36.560670][ T450] loop0: detected capacity change from 0 to 256 [ 36.576841][ T450] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 36.594497][ T450] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [pid 451] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 451] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... futex resumed>) = 0 [pid 449] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... futex resumed>) = 1 [pid 451] write(5, 0x200000000080, 34136651) = 131072 [pid 451] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... futex resumed>) = 0 [pid 451] <... futex resumed>) = 1 [pid 451] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 450] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 450] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 450] ioctl(6, LOOP_CLR_FD) = 0 [pid 450] close(6) = 0 [pid 450] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 450] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 449] close(3) = 0 [pid 449] close(4) = 0 [ 36.609172][ T450] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d) [ 36.627026][ T450] exFAT-fs (loop0): failed to load alloc-bitmap [ 36.634534][ T450] exFAT-fs (loop0): failed to recognize exfat type [pid 449] close(5) = 0 [pid 449] close(6) = -1 EBADF (Bad file descriptor) [pid 449] close(7) = -1 EBADF (Bad file descriptor) [pid 449] close(8) = -1 EBADF (Bad file descriptor) [pid 449] close(9) = -1 EBADF (Bad file descriptor) [pid 449] close(10) = -1 EBADF (Bad file descriptor) [pid 449] close(11) = -1 EBADF (Bad file descriptor) [pid 449] close(12) = -1 EBADF (Bad file descriptor) [pid 449] close(13) = -1 EBADF (Bad file descriptor) [pid 449] close(14) = -1 EBADF (Bad file descriptor) [pid 449] close(15) = -1 EBADF (Bad file descriptor) [pid 449] close(16) = -1 EBADF (Bad file descriptor) [pid 449] close(17) = -1 EBADF (Bad file descriptor) [pid 449] close(18) = -1 EBADF (Bad file descriptor) [pid 449] close(19) = -1 EBADF (Bad file descriptor) [pid 449] close(20) = -1 EBADF (Bad file descriptor) [pid 449] close(21) = -1 EBADF (Bad file descriptor) [pid 449] close(22) = -1 EBADF (Bad file descriptor) [pid 449] close(23) = -1 EBADF (Bad file descriptor) [pid 449] close(24) = -1 EBADF (Bad file descriptor) [pid 449] close(25) = -1 EBADF (Bad file descriptor) [pid 449] close(26) = -1 EBADF (Bad file descriptor) [pid 449] close(27) = -1 EBADF (Bad file descriptor) [pid 449] close(28) = -1 EBADF (Bad file descriptor) [pid 449] close(29) = -1 EBADF (Bad file descriptor) [pid 449] exit_group(0) = ? [pid 451] <... futex resumed>) = ? [pid 451] +++ exited with 0 +++ [pid 450] <... futex resumed>) = ? [pid 450] +++ exited with 0 +++ [pid 449] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=159, si_uid=0, si_status=0, si_utime=0, si_stime=9} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x5555721e9750) = 162 ./strace-static-x86_64: Process 452 attached [pid 452] set_robust_list(0x5555721e9760, 24) = 0 [pid 452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 452] setpgid(0, 0) = 0 [pid 452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 452] write(3, "1000", 4) = 4 [pid 452] close(3) = 0 [pid 452] write(1, "executing program\n", 18) = 18 [pid 452] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 452] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[163]}, 88) = 163 [pid 452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 452] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 452] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[164]}, 88) = 164 [pid 452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 452] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 454 attached [pid 454] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 454] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 453 attached [pid 453] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 453] memfd_create("syzkaller", 0) = 4 [pid 453] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 453] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 453] munmap(0x7f0872468000, 138412032) = 0 [pid 453] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 453] ioctl(5, LOOP_SET_FD, 4 [pid 454] <... openat resumed>) = 3 [pid 454] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 454] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] <... futex resumed>) = 0 [pid 452] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 452] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 454] <... futex resumed>) = 0 [pid 454] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 453] <... ioctl resumed>) = 0 [pid 453] close(4) = 0 [pid 453] close(5) = 0 [pid 454] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 453] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 454] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 453] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 453] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 453] ioctl(4, LOOP_CLR_FD) = 0 [pid 453] close(4) = 0 [pid 453] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 453] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] <... futex resumed>) = 0 [pid 452] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 452] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 453] <... futex resumed>) = 0 [pid 453] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 453] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 452] <... futex resumed>) = 0 [pid 452] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 453] creat(0x200000000040, 000) = 4 [pid 453] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 452] <... futex resumed>) = 0 [pid 453] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 453] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 453] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 452] <... futex resumed>) = 0 [pid 453] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 453] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 453] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 452] <... futex resumed>) = 0 [pid 452] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 453] write(5, 0x200000000080, 34136651) = 131072 [pid 453] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 452] <... futex resumed>) = 0 [pid 452] close(3) = 0 [pid 452] close(4) = 0 [pid 453] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] close(5) = 0 [pid 452] close(6) = -1 EBADF (Bad file descriptor) [pid 452] close(7) = -1 EBADF (Bad file descriptor) [pid 452] close(8) = -1 EBADF (Bad file descriptor) [pid 452] close(9) = -1 EBADF (Bad file descriptor) [pid 452] close(10) = -1 EBADF (Bad file descriptor) [pid 452] close(11) = -1 EBADF (Bad file descriptor) [pid 452] close(12) = -1 EBADF (Bad file descriptor) [pid 452] close(13) = -1 EBADF (Bad file descriptor) [pid 452] close(14) = -1 EBADF (Bad file descriptor) [pid 452] close(15) = -1 EBADF (Bad file descriptor) [pid 452] close(16) = -1 EBADF (Bad file descriptor) [pid 452] close(17) = -1 EBADF (Bad file descriptor) [pid 452] close(18) = -1 EBADF (Bad file descriptor) [pid 452] close(19) = -1 EBADF (Bad file descriptor) [pid 452] close(20) = -1 EBADF (Bad file descriptor) [pid 452] close(21) = -1 EBADF (Bad file descriptor) [pid 452] close(22) = -1 EBADF (Bad file descriptor) [pid 452] close(23) = -1 EBADF (Bad file descriptor) [pid 452] close(24) = -1 EBADF (Bad file descriptor) [pid 452] close(25) = -1 EBADF (Bad file descriptor) [pid 452] close(26) = -1 EBADF (Bad file descriptor) [pid 452] close(27) = -1 EBADF (Bad file descriptor) [pid 452] close(28) = -1 EBADF (Bad file descriptor) [pid 452] close(29) = -1 EBADF (Bad file descriptor) [pid 452] exit_group(0 [pid 454] <... futex resumed>) = ? [pid 452] <... exit_group resumed>) = ? [pid 454] +++ exited with 0 +++ [pid 453] <... futex resumed>) = ? [pid 453] +++ exited with 0 +++ [pid 452] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 36.721761][ T453] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 165 ./strace-static-x86_64: Process 455 attached [pid 455] set_robust_list(0x5555721e9760, 24) = 0 [pid 455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 455] setpgid(0, 0) = 0 [pid 455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 455] write(3, "1000", 4) = 4 executing program [pid 455] close(3) = 0 [pid 455] write(1, "executing program\n", 18) = 18 [pid 455] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 455] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 455] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[166]}, 88) = 166 [pid 455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 455] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 455] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 455] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[167]}, 88) = 167 [pid 455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 455] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 457 attached [pid 457] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 457] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 456 attached [pid 456] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 456] memfd_create("syzkaller", 0) = 4 [pid 456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 456] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 457] <... openat resumed>) = 3 [pid 457] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 457] <... futex resumed>) = 1 [pid 457] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 457] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 457] <... futex resumed>) = 1 [pid 457] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 457] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 457] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 457] <... futex resumed>) = 1 [pid 457] creat(0x200000000040, 000) = 5 [pid 457] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 457] <... futex resumed>) = 1 [pid 457] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 457] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 457] <... futex resumed>) = 1 [pid 457] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 457] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 457] <... futex resumed>) = 1 [pid 457] write(6, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 457] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... futex resumed>) = 0 [pid 457] <... futex resumed>) = 1 [pid 457] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 456] <... write resumed>) = 131072 [pid 456] munmap(0x7f0872468000, 138412032) = 0 [pid 456] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7 [pid 456] ioctl(7, LOOP_SET_FD, 4) = 0 [pid 456] close(4) = 0 [pid 456] close(7) = 0 [pid 456] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 456] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 456] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 456] ioctl(4, LOOP_CLR_FD) = 0 [pid 456] close(4) = 0 [pid 456] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 456] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 455] close(3) = 0 [pid 455] close(4) = -1 EBADF (Bad file descriptor) [pid 455] close(5) = 0 [pid 455] close(6) = 0 [pid 455] close(7) = -1 EBADF (Bad file descriptor) [pid 455] close(8) = -1 EBADF (Bad file descriptor) [pid 455] close(9) = -1 EBADF (Bad file descriptor) [pid 455] close(10) = -1 EBADF (Bad file descriptor) [pid 455] close(11) = -1 EBADF (Bad file descriptor) [pid 455] close(12) = -1 EBADF (Bad file descriptor) [pid 455] close(13) = -1 EBADF (Bad file descriptor) [pid 455] close(14) = -1 EBADF (Bad file descriptor) [pid 455] close(15) = -1 EBADF (Bad file descriptor) [pid 455] close(16) = -1 EBADF (Bad file descriptor) [pid 455] close(17) = -1 EBADF (Bad file descriptor) [pid 455] close(18) = -1 EBADF (Bad file descriptor) [pid 455] close(19) = -1 EBADF (Bad file descriptor) [pid 455] close(20) = -1 EBADF (Bad file descriptor) [pid 455] close(21) = -1 EBADF (Bad file descriptor) [pid 455] close(22) = -1 EBADF (Bad file descriptor) [pid 455] close(23) = -1 EBADF (Bad file descriptor) [pid 455] close(24) = -1 EBADF (Bad file descriptor) [pid 455] close(25) = -1 EBADF (Bad file descriptor) [pid 455] close(26) = -1 EBADF (Bad file descriptor) [pid 455] close(27) = -1 EBADF (Bad file descriptor) [pid 455] close(28) = -1 EBADF (Bad file descriptor) [pid 455] close(29) = -1 EBADF (Bad file descriptor) [pid 455] exit_group(0) = ? [pid 457] <... futex resumed>) = ? [pid 456] <... futex resumed>) = ? [pid 457] +++ exited with 0 +++ [pid 456] +++ exited with 0 +++ [pid 455] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=165, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 36.811242][ T456] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) executing program [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 168 ./strace-static-x86_64: Process 458 attached [pid 458] set_robust_list(0x5555721e9760, 24) = 0 [pid 458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 458] setpgid(0, 0) = 0 [pid 458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 458] write(3, "1000", 4) = 4 [pid 458] close(3) = 0 [pid 458] write(1, "executing program\n", 18) = 18 [pid 458] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 458] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[169]}, 88) = 169 [pid 458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 458] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 459 attached [pid 458] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 458] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[170]}, 88) = 170 [pid 458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 458] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 460 attached [pid 460] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 460] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 459] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 459] memfd_create("syzkaller", 0) = 4 [pid 459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 459] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 459] munmap(0x7f0872468000, 138412032) = 0 [pid 459] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 459] ioctl(5, LOOP_SET_FD, 4 [pid 460] <... openat resumed>) = 3 [pid 460] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] <... futex resumed>) = 0 [pid 458] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 460] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 460] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] <... futex resumed>) = 0 [pid 458] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 460] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 460] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 460] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] <... futex resumed>) = 0 [pid 458] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 460] creat(0x200000000040, 000) = 6 [pid 460] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] <... futex resumed>) = 0 [pid 458] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 460] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 460] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] <... futex resumed>) = 0 [pid 458] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 460] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 460] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] <... futex resumed>) = 0 [pid 458] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 460] write(7, 0x200000000080, 34136651 [pid 459] <... ioctl resumed>) = 0 [pid 459] close(4) = 0 [pid 459] close(5) = 0 [pid 459] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 459] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 459] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 459] ioctl(4, LOOP_CLR_FD) = 0 [pid 459] close(4) = 0 [pid 459] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 459] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 460] <... write resumed>) = 131072 [pid 460] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] <... futex resumed>) = 0 [pid 458] close(3) = 0 [pid 458] close(4) = -1 EBADF (Bad file descriptor) [pid 458] close(5) = -1 EBADF (Bad file descriptor) [pid 458] close(6) = 0 [pid 458] close(7) = 0 [pid 458] close(8) = -1 EBADF (Bad file descriptor) [pid 458] close(9) = -1 EBADF (Bad file descriptor) [pid 458] close(10) = -1 EBADF (Bad file descriptor) [pid 458] close(11) = -1 EBADF (Bad file descriptor) [pid 458] close(12) = -1 EBADF (Bad file descriptor) [pid 458] close(13) = -1 EBADF (Bad file descriptor) [pid 458] close(14) = -1 EBADF (Bad file descriptor) [pid 458] close(15) = -1 EBADF (Bad file descriptor) [pid 458] close(16) = -1 EBADF (Bad file descriptor) [pid 458] close(17) = -1 EBADF (Bad file descriptor) [pid 458] close(18) = -1 EBADF (Bad file descriptor) [pid 458] close(19) = -1 EBADF (Bad file descriptor) [pid 458] close(20) = -1 EBADF (Bad file descriptor) [pid 458] close(21) = -1 EBADF (Bad file descriptor) [pid 458] close(22) = -1 EBADF (Bad file descriptor) [pid 458] close(23) = -1 EBADF (Bad file descriptor) [pid 458] close(24) = -1 EBADF (Bad file descriptor) [pid 458] close(25) = -1 EBADF (Bad file descriptor) [pid 458] close(26) = -1 EBADF (Bad file descriptor) [pid 458] close(27) = -1 EBADF (Bad file descriptor) [pid 458] close(28) = -1 EBADF (Bad file descriptor) [pid 458] close(29) = -1 EBADF (Bad file descriptor) [pid 458] exit_group(0) = ? [pid 459] <... futex resumed>) = ? [pid 459] +++ exited with 0 +++ [pid 460] <... futex resumed>) = ? [pid 460] +++ exited with 0 +++ [pid 458] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 36.891461][ T459] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 171 ./strace-static-x86_64: Process 461 attached [pid 461] set_robust_list(0x5555721e9760, 24) = 0 [pid 461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 executing program [pid 461] setpgid(0, 0) = 0 [pid 461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 461] write(3, "1000", 4) = 4 [pid 461] close(3) = 0 [pid 461] write(1, "executing program\n", 18) = 18 [pid 461] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 461] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[172]}, 88) = 172 [pid 461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 461] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 461] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[173]}, 88) = 173 [pid 461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 461] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 463 attached [pid 463] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 463] openat(AT_FDCWD, "/selinux/policy", O_RDONLY) = 3 ./strace-static-x86_64: Process 462 attached [pid 462] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 462] memfd_create("syzkaller", 0) = 4 [pid 462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 462] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 462] munmap(0x7f0872468000, 138412032) = 0 [pid 462] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 462] ioctl(5, LOOP_SET_FD, 4 [pid 463] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 463] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 461] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 463] <... futex resumed>) = 0 [pid 463] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 463] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 462] <... ioctl resumed>) = 0 [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 463] <... futex resumed>) = 1 [pid 463] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 463] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 463] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 462] close(4 [pid 463] <... futex resumed>) = 1 [pid 462] <... close resumed>) = 0 [pid 462] close(5 [pid 463] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 462] <... close resumed>) = 0 [pid 462] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 462] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 461] <... futex resumed>) = 0 [pid 462] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 462] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 461] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 462] ioctl(4, LOOP_CLR_FD) = 0 [pid 462] close(4) = 0 [pid 462] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 462] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 461] <... futex resumed>) = 1 [pid 463] <... futex resumed>) = 0 [pid 463] creat(0x200000000040, 000) = 4 [pid 463] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 463] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 461] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 461] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 462] <... futex resumed>) = 0 [pid 462] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 461] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 462] <... mount resumed>) = 0 [pid 462] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 461] <... futex resumed>) = 0 [pid 462] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 461] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 462] <... open resumed>) = 5 [pid 462] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 461] <... futex resumed>) = 0 [pid 462] write(5, 0x200000000080, 34136651 [pid 461] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 462] <... write resumed>) = 131072 [pid 462] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 462] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 461] <... futex resumed>) = 0 [pid 461] close(3) = 0 [pid 461] close(4) = 0 [pid 461] close(5) = 0 [pid 461] close(6) = -1 EBADF (Bad file descriptor) [pid 461] close(7) = -1 EBADF (Bad file descriptor) [pid 461] close(8) = -1 EBADF (Bad file descriptor) [pid 461] close(9) = -1 EBADF (Bad file descriptor) [pid 461] close(10) = -1 EBADF (Bad file descriptor) [pid 461] close(11) = -1 EBADF (Bad file descriptor) [pid 461] close(12) = -1 EBADF (Bad file descriptor) [pid 461] close(13) = -1 EBADF (Bad file descriptor) [pid 461] close(14) = -1 EBADF (Bad file descriptor) [pid 461] close(15) = -1 EBADF (Bad file descriptor) [pid 461] close(16) = -1 EBADF (Bad file descriptor) [pid 461] close(17) = -1 EBADF (Bad file descriptor) [pid 461] close(18) = -1 EBADF (Bad file descriptor) [pid 461] close(19) = -1 EBADF (Bad file descriptor) [pid 461] close(20) = -1 EBADF (Bad file descriptor) [pid 461] close(21) = -1 EBADF (Bad file descriptor) [pid 461] close(22) = -1 EBADF (Bad file descriptor) [pid 461] close(23) = -1 EBADF (Bad file descriptor) [pid 461] close(24) = -1 EBADF (Bad file descriptor) [pid 461] close(25) = -1 EBADF (Bad file descriptor) [pid 461] close(26) = -1 EBADF (Bad file descriptor) [pid 461] close(27) = -1 EBADF (Bad file descriptor) [pid 461] close(28) = -1 EBADF (Bad file descriptor) [pid 461] close(29) = -1 EBADF (Bad file descriptor) [pid 461] exit_group(0) = ? [pid 463] <... futex resumed>) = ? [pid 463] +++ exited with 0 +++ [pid 462] <... futex resumed>) = ? [pid 462] +++ exited with 0 +++ [pid 461] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=171, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FDexecuting program ) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 174 ./strace-static-x86_64: Process 464 attached [pid 464] set_robust_list(0x5555721e9760, 24) = 0 [pid 464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 464] setpgid(0, 0) = 0 [pid 464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 464] write(3, "1000", 4) = 4 [pid 464] close(3) = 0 [pid 464] write(1, "executing program\n", 18) = 18 [pid 464] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 464] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[175]}, 88) = 175 [pid 464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 464] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 464] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[176]}, 88) = 176 [pid 464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 464] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 465 attached [pid 465] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 465] memfd_create("syzkaller", 0) = 3 [pid 465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 465] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 465] munmap(0x7f0872468000, 138412032) = 0 ./strace-static-x86_64: Process 466 attached [pid 465] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 466] set_robust_list(0x7f087a8889a0, 24 [pid 465] <... openat resumed>) = 4 [pid 466] <... set_robust_list resumed>) = 0 [pid 465] ioctl(4, LOOP_SET_FD, 3 [pid 466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 36.970812][ T462] loop0: detected capacity change from 0 to 256 [pid 466] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 465] <... ioctl resumed>) = 0 [pid 465] close(3 [pid 466] <... openat resumed>) = 5 [pid 466] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] <... close resumed>) = 0 [pid 466] <... futex resumed>) = 1 [pid 466] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] <... futex resumed>) = 0 [pid 465] close(4 [pid 464] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 464] <... futex resumed>) = 0 [pid 466] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 465] <... close resumed>) = 0 [pid 464] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 465] mkdir(0x200000000240, 0777 [pid 466] <... mmap resumed>) = 0x200000000000 [pid 466] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 466] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 465] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 464] <... futex resumed>) = 0 [pid 465] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 465] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 465] ioctl(3, LOOP_CLR_FD [pid 464] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 464] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 466] <... futex resumed>) = 0 [pid 466] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 466] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 464] <... futex resumed>) = 0 [pid 464] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 466] creat(0x200000000040, 000) = 4 [pid 465] <... ioctl resumed>) = 0 [pid 465] close(3) = 0 [pid 465] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 466] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 466] <... futex resumed>) = 1 [pid 464] <... futex resumed>) = 0 [pid 464] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 465] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 466] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 465] <... mount resumed>) = 0 [pid 465] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 464] <... futex resumed>) = 0 [pid 464] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 465] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 3 [pid 465] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 465] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 464] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 465] write(3, 0x200000000080, 34136651) = 131072 [pid 465] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 465] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] <... futex resumed>) = 0 [pid 464] close(3) = 0 [pid 464] close(4) = 0 [pid 464] close(5) = 0 [pid 464] close(6) = -1 EBADF (Bad file descriptor) [pid 464] close(7) = -1 EBADF (Bad file descriptor) [pid 464] close(8) = -1 EBADF (Bad file descriptor) [pid 464] close(9) = -1 EBADF (Bad file descriptor) [pid 464] close(10) = -1 EBADF (Bad file descriptor) [pid 464] close(11) = -1 EBADF (Bad file descriptor) [pid 464] close(12) = -1 EBADF (Bad file descriptor) [pid 464] close(13) = -1 EBADF (Bad file descriptor) [pid 464] close(14) = -1 EBADF (Bad file descriptor) [pid 464] close(15) = -1 EBADF (Bad file descriptor) [pid 464] close(16) = -1 EBADF (Bad file descriptor) [pid 464] close(17) = -1 EBADF (Bad file descriptor) [pid 464] close(18) = -1 EBADF (Bad file descriptor) [pid 464] close(19) = -1 EBADF (Bad file descriptor) [pid 464] close(20) = -1 EBADF (Bad file descriptor) [pid 464] close(21) = -1 EBADF (Bad file descriptor) [pid 464] close(22) = -1 EBADF (Bad file descriptor) [pid 464] close(23) = -1 EBADF (Bad file descriptor) [pid 464] close(24) = -1 EBADF (Bad file descriptor) [pid 464] close(25) = -1 EBADF (Bad file descriptor) [pid 464] close(26) = -1 EBADF (Bad file descriptor) [pid 464] close(27) = -1 EBADF (Bad file descriptor) [pid 464] close(28) = -1 EBADF (Bad file descriptor) [pid 464] close(29) = -1 EBADF (Bad file descriptor) [pid 464] exit_group(0) = ? [pid 465] <... futex resumed>) = ? [pid 466] <... futex resumed>) = ? [pid 465] +++ exited with 0 +++ [pid 466] +++ exited with 0 +++ [pid 464] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 37.012616][ T465] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3executing program ) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 177 ./strace-static-x86_64: Process 467 attached [pid 467] set_robust_list(0x5555721e9760, 24) = 0 [pid 467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 467] setpgid(0, 0) = 0 [pid 467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 467] write(3, "1000", 4) = 4 [pid 467] close(3) = 0 [pid 467] write(1, "executing program\n", 18) = 18 [pid 467] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 467] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[178]}, 88) = 178 [pid 467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 467] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 467] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[179]}, 88) = 179 [pid 467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 467] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 469 attached [pid 469] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 469] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 468 attached [pid 468] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 468] memfd_create("syzkaller", 0) = 4 [pid 468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 468] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 468] munmap(0x7f0872468000, 138412032) = 0 [pid 468] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 468] ioctl(5, LOOP_SET_FD, 4 [pid 469] <... openat resumed>) = 3 [pid 469] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 469] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 467] <... futex resumed>) = 0 [pid 467] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 467] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] <... futex resumed>) = 0 [pid 469] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 469] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] <... futex resumed>) = 0 [pid 467] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] <... futex resumed>) = 1 [pid 468] <... ioctl resumed>) = 0 [pid 467] <... futex resumed>) = 0 [pid 468] close(4 [pid 469] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 468] <... close resumed>) = 0 [pid 468] close(5) = 0 [pid 468] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 469] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 468] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 469] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 469] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 469] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 468] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 467] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 468] ioctl(4, LOOP_CLR_FD) = 0 [pid 468] close(4) = 0 [pid 468] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 467] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 467] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 468] <... futex resumed>) = 0 [pid 468] creat(0x200000000040, 000) = 4 [pid 468] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] <... futex resumed>) = 0 [pid 467] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 468] <... futex resumed>) = 1 [pid 468] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 468] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] <... futex resumed>) = 0 [pid 467] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 468] <... futex resumed>) = 1 [pid 468] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 468] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] <... futex resumed>) = 0 [pid 467] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 468] <... futex resumed>) = 1 [pid 468] write(5, 0x200000000080, 34136651) = 131072 [pid 468] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 467] <... futex resumed>) = 0 [pid 467] close(3) = 0 [pid 467] close(4 [pid 468] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 467] <... close resumed>) = 0 [pid 467] close(5) = 0 [pid 467] close(6) = -1 EBADF (Bad file descriptor) [pid 467] close(7) = -1 EBADF (Bad file descriptor) [pid 467] close(8) = -1 EBADF (Bad file descriptor) [pid 467] close(9) = -1 EBADF (Bad file descriptor) [pid 467] close(10) = -1 EBADF (Bad file descriptor) [pid 467] close(11) = -1 EBADF (Bad file descriptor) [pid 467] close(12) = -1 EBADF (Bad file descriptor) [pid 467] close(13) = -1 EBADF (Bad file descriptor) [pid 467] close(14) = -1 EBADF (Bad file descriptor) [pid 467] close(15) = -1 EBADF (Bad file descriptor) [pid 467] close(16) = -1 EBADF (Bad file descriptor) [pid 467] close(17) = -1 EBADF (Bad file descriptor) [pid 467] close(18) = -1 EBADF (Bad file descriptor) [pid 467] close(19) = -1 EBADF (Bad file descriptor) [pid 467] close(20) = -1 EBADF (Bad file descriptor) [pid 467] close(21) = -1 EBADF (Bad file descriptor) [pid 467] close(22) = -1 EBADF (Bad file descriptor) [pid 467] close(23) = -1 EBADF (Bad file descriptor) [pid 467] close(24) = -1 EBADF (Bad file descriptor) [pid 467] close(25) = -1 EBADF (Bad file descriptor) [pid 467] close(26) = -1 EBADF (Bad file descriptor) [pid 467] close(27) = -1 EBADF (Bad file descriptor) [pid 467] close(28) = -1 EBADF (Bad file descriptor) [pid 467] close(29) = -1 EBADF (Bad file descriptor) [pid 467] exit_group(0) = ? [pid 469] <... futex resumed>) = ? [pid 469] +++ exited with 0 +++ [pid 468] <... futex resumed>) = ? [pid 468] +++ exited with 0 +++ [pid 467] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=177, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [ 37.133413][ T468] loop0: detected capacity change from 0 to 256 [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 180 ./strace-static-x86_64: Process 470 attached [pid 470] set_robust_list(0x5555721e9760, 24) = 0 [pid 470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 470] setpgid(0, 0) = 0 [pid 470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 470] write(3, "1000", 4) = 4 [pid 470] close(3) = 0 [pid 470] write(1, "executing program\n", 18executing program ) = 18 [pid 470] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 470] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 470] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[181]}, 88) = 181 [pid 470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 470] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 470] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 470] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0}./strace-static-x86_64: Process 472 attached ./strace-static-x86_64: Process 471 attached => {parent_tid=[182]}, 88) = 182 [pid 470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 470] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 472] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 472] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 471] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 471] memfd_create("syzkaller", 0) = 4 [pid 471] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 471] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 471] munmap(0x7f0872468000, 138412032) = 0 [pid 471] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 471] ioctl(5, LOOP_SET_FD, 4 [pid 472] <... openat resumed>) = 3 [pid 472] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 470] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 472] <... futex resumed>) = 1 [pid 472] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 472] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 470] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 472] <... futex resumed>) = 1 [pid 472] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 472] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 471] <... ioctl resumed>) = 0 [pid 471] close(4) = 0 [pid 471] close(5 [pid 472] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 471] <... close resumed>) = 0 [pid 472] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 471] mkdir(0x200000000240, 0777 [pid 472] <... futex resumed>) = 1 [pid 470] <... futex resumed>) = 0 [pid 471] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 472] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 470] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 470] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 472] <... futex resumed>) = 0 [pid 472] creat(0x200000000040, 000 [pid 471] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 471] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 472] <... creat resumed>) = 4 [pid 471] ioctl(5, LOOP_CLR_FD [pid 472] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 471] <... ioctl resumed>) = 0 [pid 470] <... futex resumed>) = 0 [pid 470] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 471] close(5 [pid 470] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 472] <... futex resumed>) = 1 [pid 472] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 471] <... close resumed>) = 0 [pid 471] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 471] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 472] <... mount resumed>) = 0 [pid 472] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 470] <... futex resumed>) = 0 [pid 472] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 470] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 470] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 471] <... futex resumed>) = 0 [pid 471] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 471] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 470] <... futex resumed>) = 0 [pid 471] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 470] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 470] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 471] <... futex resumed>) = 0 [pid 471] write(5, 0x200000000080, 34136651) = 131072 [pid 471] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 470] <... futex resumed>) = 0 [pid 471] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 470] close(3) = 0 [pid 470] close(4) = 0 [pid 470] close(5) = 0 [pid 470] close(6) = -1 EBADF (Bad file descriptor) [pid 470] close(7) = -1 EBADF (Bad file descriptor) [pid 470] close(8) = -1 EBADF (Bad file descriptor) [pid 470] close(9) = -1 EBADF (Bad file descriptor) [pid 470] close(10) = -1 EBADF (Bad file descriptor) [pid 470] close(11) = -1 EBADF (Bad file descriptor) [pid 470] close(12) = -1 EBADF (Bad file descriptor) [pid 470] close(13) = -1 EBADF (Bad file descriptor) [pid 470] close(14) = -1 EBADF (Bad file descriptor) [pid 470] close(15) = -1 EBADF (Bad file descriptor) [pid 470] close(16) = -1 EBADF (Bad file descriptor) [pid 470] close(17) = -1 EBADF (Bad file descriptor) [pid 470] close(18) = -1 EBADF (Bad file descriptor) [pid 470] close(19) = -1 EBADF (Bad file descriptor) [pid 470] close(20) = -1 EBADF (Bad file descriptor) [pid 470] close(21) = -1 EBADF (Bad file descriptor) [pid 470] close(22) = -1 EBADF (Bad file descriptor) [pid 470] close(23) = -1 EBADF (Bad file descriptor) [pid 470] close(24) = -1 EBADF (Bad file descriptor) [pid 470] close(25) = -1 EBADF (Bad file descriptor) [pid 470] close(26) = -1 EBADF (Bad file descriptor) [pid 470] close(27) = -1 EBADF (Bad file descriptor) [pid 470] close(28) = -1 EBADF (Bad file descriptor) [pid 470] close(29) = -1 EBADF (Bad file descriptor) [pid 470] exit_group(0 [pid 472] <... futex resumed>) = ? [pid 471] <... futex resumed>) = ? [pid 470] <... exit_group resumed>) = ? [pid 472] +++ exited with 0 +++ [pid 471] +++ exited with 0 +++ [pid 470] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [ 37.209805][ T471] loop0: detected capacity change from 0 to 256 [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 183 ./strace-static-x86_64: Process 473 attached [pid 473] set_robust_list(0x5555721e9760, 24) = 0 [pid 473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 473] setpgid(0, 0) = 0 [pid 473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 473] write(3, "1000", 4) = 4 [pid 473] close(3) = 0 [pid 473] write(1, "executing program\n", 18executing program ) = 18 [pid 473] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 473] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 473] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 473] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 474 attached => {parent_tid=[184]}, 88) = 184 [pid 473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 473] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 473] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 473] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[185]}, 88) = 185 [pid 474] set_robust_list(0x7f087a8a99a0, 24 [pid 473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 473] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 473] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 475 attached [pid 475] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 475] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 474] <... set_robust_list resumed>) = 0 [pid 474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 474] memfd_create("syzkaller", 0) = 4 [pid 474] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 474] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 474] munmap(0x7f0872468000, 138412032) = 0 [pid 474] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 474] ioctl(5, LOOP_SET_FD, 4 [pid 475] <... openat resumed>) = 3 [pid 475] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 475] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 473] <... futex resumed>) = 0 [pid 473] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 473] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] <... futex resumed>) = 0 [pid 475] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 475] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 474] <... ioctl resumed>) = 0 [pid 473] <... futex resumed>) = 0 [pid 474] close(4) = 0 [pid 475] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 474] close(5) = 0 [pid 473] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 474] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 474] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 474] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 474] ioctl(4, LOOP_CLR_FD) = 0 [pid 474] close(4) = 0 [pid 474] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 474] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 473] <... futex resumed>) = 1 [pid 473] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] <... futex resumed>) = 0 [pid 475] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 475] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 473] <... futex resumed>) = 0 [pid 473] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 473] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 474] <... futex resumed>) = 0 [pid 474] creat(0x200000000040, 000) = 4 [pid 474] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 473] <... futex resumed>) = 0 [pid 473] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 473] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 474] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 474] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 473] <... futex resumed>) = 0 [pid 473] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 474] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 473] <... futex resumed>) = 0 [pid 473] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 474] <... open resumed>) = 5 [pid 474] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 473] <... futex resumed>) = 0 [pid 473] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 473] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 474] write(5, 0x200000000080, 34136651) = 131072 [pid 474] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] <... futex resumed>) = 0 [pid 473] close(3) = 0 [pid 473] close(4 [pid 474] <... futex resumed>) = 1 [pid 473] <... close resumed>) = 0 [pid 474] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [ 37.331167][ T474] loop0: detected capacity change from 0 to 256 [pid 473] close(5) = 0 [pid 473] close(6) = -1 EBADF (Bad file descriptor) [pid 473] close(7) = -1 EBADF (Bad file descriptor) [pid 473] close(8) = -1 EBADF (Bad file descriptor) [pid 473] close(9) = -1 EBADF (Bad file descriptor) [pid 473] close(10) = -1 EBADF (Bad file descriptor) [pid 473] close(11) = -1 EBADF (Bad file descriptor) [pid 473] close(12) = -1 EBADF (Bad file descriptor) [pid 473] close(13) = -1 EBADF (Bad file descriptor) [pid 473] close(14) = -1 EBADF (Bad file descriptor) [pid 473] close(15) = -1 EBADF (Bad file descriptor) [pid 473] close(16) = -1 EBADF (Bad file descriptor) [pid 473] close(17) = -1 EBADF (Bad file descriptor) [pid 473] close(18) = -1 EBADF (Bad file descriptor) [pid 473] close(19) = -1 EBADF (Bad file descriptor) [pid 473] close(20) = -1 EBADF (Bad file descriptor) [pid 473] close(21) = -1 EBADF (Bad file descriptor) [pid 473] close(22) = -1 EBADF (Bad file descriptor) [pid 473] close(23) = -1 EBADF (Bad file descriptor) [pid 473] close(24) = -1 EBADF (Bad file descriptor) [pid 473] close(25) = -1 EBADF (Bad file descriptor) [pid 473] close(26) = -1 EBADF (Bad file descriptor) [pid 473] close(27) = -1 EBADF (Bad file descriptor) [pid 473] close(28) = -1 EBADF (Bad file descriptor) [pid 473] close(29) = -1 EBADF (Bad file descriptor) [pid 473] exit_group(0) = ? [pid 475] <... futex resumed>) = ? [pid 474] <... futex resumed>) = 231 [pid 475] +++ exited with 0 +++ [pid 474] +++ exited with 0 +++ [pid 473] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=183, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 186 ./strace-static-x86_64: Process 476 attached [pid 476] set_robust_list(0x5555721e9760, 24) = 0 [pid 476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 476] setpgid(0, 0) = 0 [pid 476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 476] write(3, "1000", 4) = 4 [pid 476] close(3) = 0 [pid 476] write(1, "executing program\n", 18executing program ) = 18 [pid 476] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 476] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 476] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[187]}, 88) = 187 [pid 476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 476] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 477 attached [pid 476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 476] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 476] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[188]}, 88) = 188 [pid 476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 476] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 478 attached [pid 478] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 478] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 477] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 477] memfd_create("syzkaller", 0) = 4 [pid 477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 477] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 477] munmap(0x7f0872468000, 138412032) = 0 [pid 477] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 477] ioctl(5, LOOP_SET_FD, 4 [pid 478] <... openat resumed>) = 3 [pid 478] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 478] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] <... futex resumed>) = 0 [pid 476] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] <... futex resumed>) = 0 [pid 478] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 478] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... ioctl resumed>) = 0 [pid 477] close(4 [pid 478] <... futex resumed>) = 1 [pid 477] <... close resumed>) = 0 [pid 477] close(5 [pid 478] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] <... futex resumed>) = 0 [pid 477] <... close resumed>) = 0 [pid 477] mkdir(0x200000000240, 0777 [pid 476] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 477] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 477] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 477] ioctl(4, LOOP_CLR_FD) = 0 [pid 477] close(4) = 0 [pid 477] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 477] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 478] <... futex resumed>) = 0 [pid 476] <... futex resumed>) = 1 [pid 476] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 478] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 476] <... futex resumed>) = 0 [pid 476] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] <... futex resumed>) = 1 [pid 478] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 477] <... futex resumed>) = 0 [pid 477] creat(0x200000000040, 000) = 4 [pid 477] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 476] <... futex resumed>) = 0 [pid 476] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] <... futex resumed>) = 1 [pid 477] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 477] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 476] <... futex resumed>) = 0 [pid 476] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] <... futex resumed>) = 1 [pid 477] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 477] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 476] <... futex resumed>) = 0 [pid 476] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] <... futex resumed>) = 1 [pid 477] write(5, 0x200000000080, 34136651) = 131072 [pid 477] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 476] <... futex resumed>) = 0 [pid 476] close(3) = 0 [pid 476] close(4) = 0 [pid 476] close(5) = 0 [pid 476] close(6) = -1 EBADF (Bad file descriptor) [pid 476] close(7) = -1 EBADF (Bad file descriptor) [pid 476] close(8) = -1 EBADF (Bad file descriptor) [pid 476] close(9) = -1 EBADF (Bad file descriptor) [pid 476] close(10) = -1 EBADF (Bad file descriptor) [pid 476] close(11) = -1 EBADF (Bad file descriptor) [pid 476] close(12) = -1 EBADF (Bad file descriptor) [pid 476] close(13) = -1 EBADF (Bad file descriptor) [pid 476] close(14) = -1 EBADF (Bad file descriptor) [pid 476] close(15) = -1 EBADF (Bad file descriptor) [pid 476] close(16) = -1 EBADF (Bad file descriptor) [pid 476] close(17) = -1 EBADF (Bad file descriptor) [pid 477] <... futex resumed>) = 1 [pid 476] close(18) = -1 EBADF (Bad file descriptor) [pid 476] close(19) = -1 EBADF (Bad file descriptor) [pid 476] close(20) = -1 EBADF (Bad file descriptor) [pid 476] close(21) = -1 EBADF (Bad file descriptor) [pid 476] close(22) = -1 EBADF (Bad file descriptor) [pid 477] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] close(23) = -1 EBADF (Bad file descriptor) [pid 476] close(24) = -1 EBADF (Bad file descriptor) [pid 476] close(25) = -1 EBADF (Bad file descriptor) [pid 476] close(26) = -1 EBADF (Bad file descriptor) [pid 476] close(27) = -1 EBADF (Bad file descriptor) [pid 476] close(28) = -1 EBADF (Bad file descriptor) [pid 476] close(29) = -1 EBADF (Bad file descriptor) [pid 476] exit_group(0) = ? [pid 477] <... futex resumed>) = ? [pid 477] +++ exited with 0 +++ [pid 478] <... futex resumed>) = ? [pid 478] +++ exited with 0 +++ [pid 476] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 37.419065][ T477] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 189 ./strace-static-x86_64: Process 479 attached [pid 479] set_robust_list(0x5555721e9760, 24) = 0 [pid 479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 479] setpgid(0, 0) = 0 [pid 479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 479] write(3, "1000", 4) = 4 [pid 479] close(3) = 0 [pid 479] write(1, "executing program\n", 18executing program ) = 18 [pid 479] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 479] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 479] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[190]}, 88) = 190 [pid 479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 479] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 479] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 479] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0}./strace-static-x86_64: Process 480 attached [pid 480] set_robust_list(0x7f087a8a99a0, 24) = 0 ./strace-static-x86_64: Process 481 attached [pid 481] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 480] rt_sigprocmask(SIG_SETMASK, [], [pid 479] <... clone3 resumed> => {parent_tid=[191]}, 88) = 191 [pid 481] rt_sigprocmask(SIG_SETMASK, [], [pid 480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 479] rt_sigprocmask(SIG_SETMASK, [], [pid 480] memfd_create("syzkaller", 0 [pid 479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 481] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 479] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 479] <... futex resumed>) = 0 [pid 481] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 479] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 480] <... memfd_create resumed>) = 4 [pid 480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 480] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 480] munmap(0x7f0872468000, 138412032) = 0 [pid 480] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 480] ioctl(5, LOOP_SET_FD, 4 [pid 481] <... openat resumed>) = 3 [pid 481] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 481] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 479] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... futex resumed>) = 0 [pid 481] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 481] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... futex resumed>) = 1 [pid 481] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 481] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 481] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... futex resumed>) = 1 [pid 481] creat(0x200000000040, 000) = 6 [pid 481] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... futex resumed>) = 1 [pid 481] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 481] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... futex resumed>) = 1 [pid 481] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 481] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... futex resumed>) = 1 [pid 481] write(7, 0x200000000080, 34136651 [pid 480] <... ioctl resumed>) = 0 [pid 480] close(4) = 0 [pid 480] close(5 [pid 481] <... write resumed>) = 131072 [pid 480] <... close resumed>) = 0 [pid 480] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 480] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 481] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = 0 [pid 480] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 481] <... futex resumed>) = 1 [pid 481] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 480] <... openat resumed>) = 4 [pid 480] ioctl(4, LOOP_CLR_FD) = 0 [pid 480] close(4) = 0 [pid 480] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 480] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 479] close(3) = 0 [pid 479] close(4) = -1 EBADF (Bad file descriptor) [pid 479] close(5) = -1 EBADF (Bad file descriptor) [pid 479] close(6) = 0 [pid 479] close(7) = 0 [pid 479] close(8) = -1 EBADF (Bad file descriptor) [pid 479] close(9) = -1 EBADF (Bad file descriptor) [pid 479] close(10) = -1 EBADF (Bad file descriptor) [pid 479] close(11) = -1 EBADF (Bad file descriptor) [pid 479] close(12) = -1 EBADF (Bad file descriptor) [pid 479] close(13) = -1 EBADF (Bad file descriptor) [pid 479] close(14) = -1 EBADF (Bad file descriptor) [pid 479] close(15) = -1 EBADF (Bad file descriptor) [pid 479] close(16) = -1 EBADF (Bad file descriptor) [pid 479] close(17) = -1 EBADF (Bad file descriptor) [pid 479] close(18) = -1 EBADF (Bad file descriptor) [pid 479] close(19) = -1 EBADF (Bad file descriptor) [pid 479] close(20) = -1 EBADF (Bad file descriptor) [pid 479] close(21) = -1 EBADF (Bad file descriptor) [pid 479] close(22) = -1 EBADF (Bad file descriptor) [pid 479] close(23) = -1 EBADF (Bad file descriptor) [pid 479] close(24) = -1 EBADF (Bad file descriptor) [pid 479] close(25) = -1 EBADF (Bad file descriptor) [pid 479] close(26) = -1 EBADF (Bad file descriptor) [pid 479] close(27) = -1 EBADF (Bad file descriptor) [pid 479] close(28) = -1 EBADF (Bad file descriptor) [pid 479] close(29) = -1 EBADF (Bad file descriptor) [pid 479] exit_group(0) = ? [pid 481] <... futex resumed>) = ? [pid 481] +++ exited with 0 +++ [pid 480] <... futex resumed>) = ? [pid 480] +++ exited with 0 +++ [pid 479] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=189, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 37.525762][ T480] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 192 ./strace-static-x86_64: Process 482 attached [pid 482] set_robust_list(0x5555721e9760, 24) = 0 [pid 482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 482] setpgid(0, 0) = 0 [pid 482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 482] write(3, "1000", 4) = 4 [pid 482] close(3) = 0 executing program [pid 482] write(1, "executing program\n", 18) = 18 [pid 482] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 482] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 482] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 482] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[193]}, 88) = 193 [pid 482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 482] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 482] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 482] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[194]}, 88) = 194 [pid 482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 482] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 484 attached [pid 484] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 484] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 484] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 483 attached [pid 483] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 483] memfd_create("syzkaller", 0) = 4 [pid 483] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 483] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 483] munmap(0x7f0872468000, 138412032) = 0 [pid 483] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 483] ioctl(5, LOOP_SET_FD, 4) = 0 [pid 483] close(4) = 0 [pid 483] close(5) = 0 [pid 483] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 483] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 484] <... openat resumed>) = 3 [pid 484] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 482] <... futex resumed>) = 0 [pid 482] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 484] <... futex resumed>) = 1 [pid 484] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 484] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 482] <... futex resumed>) = 0 [pid 482] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 484] <... futex resumed>) = 1 [pid 484] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 484] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 484] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 482] <... futex resumed>) = 0 [pid 482] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 484] <... futex resumed>) = 1 [pid 484] creat(0x200000000040, 000) = 4 [pid 484] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 482] <... futex resumed>) = 0 [pid 482] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 484] <... futex resumed>) = 1 [ 37.660326][ T483] loop0: detected capacity change from 0 to 256 [ 37.671022][ T483] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 37.685125][ T483] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [pid 484] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 484] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 482] <... futex resumed>) = 0 [pid 482] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 484] <... futex resumed>) = 1 [pid 484] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 484] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 482] <... futex resumed>) = 0 [pid 482] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 484] <... futex resumed>) = 1 [pid 484] write(5, 0x200000000080, 34136651) = 131072 [pid 484] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 482] <... futex resumed>) = 0 [pid 484] <... futex resumed>) = 1 [pid 484] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 483] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 483] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 483] ioctl(6, LOOP_CLR_FD) = 0 [pid 483] close(6) = 0 [pid 483] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 483] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 482] close(3) = 0 [pid 482] close(4) = 0 [ 37.699059][ T483] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d) [ 37.716361][ T483] exFAT-fs (loop0): failed to load alloc-bitmap [ 37.723785][ T483] exFAT-fs (loop0): failed to recognize exfat type [pid 482] close(5) = 0 [pid 482] close(6) = -1 EBADF (Bad file descriptor) [pid 482] close(7) = -1 EBADF (Bad file descriptor) [pid 482] close(8) = -1 EBADF (Bad file descriptor) [pid 482] close(9) = -1 EBADF (Bad file descriptor) [pid 482] close(10) = -1 EBADF (Bad file descriptor) [pid 482] close(11) = -1 EBADF (Bad file descriptor) [pid 482] close(12) = -1 EBADF (Bad file descriptor) [pid 482] close(13) = -1 EBADF (Bad file descriptor) [pid 482] close(14) = -1 EBADF (Bad file descriptor) [pid 482] close(15) = -1 EBADF (Bad file descriptor) [pid 482] close(16) = -1 EBADF (Bad file descriptor) [pid 482] close(17) = -1 EBADF (Bad file descriptor) [pid 482] close(18) = -1 EBADF (Bad file descriptor) [pid 482] close(19) = -1 EBADF (Bad file descriptor) [pid 482] close(20) = -1 EBADF (Bad file descriptor) [pid 482] close(21) = -1 EBADF (Bad file descriptor) [pid 482] close(22) = -1 EBADF (Bad file descriptor) [pid 482] close(23) = -1 EBADF (Bad file descriptor) [pid 482] close(24) = -1 EBADF (Bad file descriptor) [pid 482] close(25) = -1 EBADF (Bad file descriptor) [pid 482] close(26) = -1 EBADF (Bad file descriptor) [pid 482] close(27) = -1 EBADF (Bad file descriptor) [pid 482] close(28) = -1 EBADF (Bad file descriptor) [pid 482] close(29) = -1 EBADF (Bad file descriptor) [pid 482] exit_group(0 [pid 484] <... futex resumed>) = ? [pid 483] <... futex resumed>) = ? [pid 482] <... exit_group resumed>) = ? [pid 484] +++ exited with 0 +++ [pid 483] +++ exited with 0 +++ [pid 482] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x5555721e9750) = 195 ./strace-static-x86_64: Process 485 attached [pid 485] set_robust_list(0x5555721e9760, 24) = 0 [pid 485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 485] setpgid(0, 0) = 0 [pid 485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 485] write(3, "1000", 4) = 4 [pid 485] close(3) = 0 [pid 485] write(1, "executing program\n", 18) = 18 [pid 485] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 485] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 485] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[196]}, 88) = 196 [pid 485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 485] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 485] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 485] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[197]}, 88) = 197 [pid 485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 485] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 487 attached [pid 487] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 487] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 486 attached [pid 486] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 486] memfd_create("syzkaller", 0) = 4 [pid 486] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 486] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 486] munmap(0x7f0872468000, 138412032) = 0 [pid 486] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 486] ioctl(5, LOOP_SET_FD, 4 [pid 487] <... openat resumed>) = 3 [pid 487] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] <... futex resumed>) = 0 [pid 485] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 487] <... futex resumed>) = 1 [pid 487] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 487] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] <... futex resumed>) = 0 [pid 485] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 487] <... futex resumed>) = 1 [pid 487] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 487] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 487] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] <... futex resumed>) = 0 [pid 485] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 487] <... futex resumed>) = 1 [pid 487] creat(0x200000000040, 000 [pid 486] <... ioctl resumed>) = 0 [pid 487] <... creat resumed>) = 6 [pid 487] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 486] close(4 [pid 485] <... futex resumed>) = 0 [pid 485] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 486] <... close resumed>) = 0 [pid 487] <... futex resumed>) = 1 [pid 486] close(5 [pid 487] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 486] <... close resumed>) = 0 [pid 486] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 486] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 487] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] <... futex resumed>) = 0 [pid 485] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 487] <... futex resumed>) = 1 [pid 487] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 486] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 487] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] <... futex resumed>) = 0 [pid 485] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 487] <... futex resumed>) = 1 [pid 487] write(4, 0x200000000080, 34136651 [pid 486] ioctl(5, LOOP_CLR_FD) = 0 [pid 486] close(5) = 0 [pid 486] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 486] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 487] <... write resumed>) = 131072 [pid 487] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 485] <... futex resumed>) = 0 [pid 485] close(3) = 0 [pid 485] close(4) = 0 [pid 485] close(5) = -1 EBADF (Bad file descriptor) [pid 485] close(6) = 0 [pid 485] close(7) = -1 EBADF (Bad file descriptor) [pid 485] close(8) = -1 EBADF (Bad file descriptor) [pid 485] close(9) = -1 EBADF (Bad file descriptor) [pid 485] close(10) = -1 EBADF (Bad file descriptor) [pid 485] close(11) = -1 EBADF (Bad file descriptor) [pid 485] close(12) = -1 EBADF (Bad file descriptor) [pid 485] close(13) = -1 EBADF (Bad file descriptor) [pid 485] close(14) = -1 EBADF (Bad file descriptor) [pid 485] close(15) = -1 EBADF (Bad file descriptor) [pid 485] close(16) = -1 EBADF (Bad file descriptor) [pid 485] close(17) = -1 EBADF (Bad file descriptor) [pid 485] close(18) = -1 EBADF (Bad file descriptor) [pid 485] close(19) = -1 EBADF (Bad file descriptor) [pid 485] close(20) = -1 EBADF (Bad file descriptor) [pid 485] close(21) = -1 EBADF (Bad file descriptor) [pid 485] close(22) = -1 EBADF (Bad file descriptor) [pid 485] close(23) = -1 EBADF (Bad file descriptor) [pid 485] close(24) = -1 EBADF (Bad file descriptor) [pid 485] close(25) = -1 EBADF (Bad file descriptor) [pid 485] close(26) = -1 EBADF (Bad file descriptor) [pid 485] close(27) = -1 EBADF (Bad file descriptor) [pid 485] close(28) = -1 EBADF (Bad file descriptor) [pid 485] close(29) = -1 EBADF (Bad file descriptor) [pid 485] exit_group(0) = ? [pid 486] <... futex resumed>) = ? [pid 486] +++ exited with 0 +++ [pid 487] +++ exited with 0 +++ [pid 485] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=195, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 37.822720][ T486] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 198 ./strace-static-x86_64: Process 488 attached [pid 488] set_robust_list(0x5555721e9760, 24) = 0 [pid 488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 488] setpgid(0, 0) = 0 [pid 488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 488] write(3, "1000", 4) = 4 [pid 488] close(3) = 0 [pid 488] write(1, "executing program\n", 18) = 18 [pid 488] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 488] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 488] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 488] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 488] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[199]}, 88) = 199 [pid 488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 488] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 488] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 488] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 488] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[200]}, 88) = 200 [pid 488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 488] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 488] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 490 attached [pid 490] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 490] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 490] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 489 attached [pid 489] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 489] memfd_create("syzkaller", 0) = 4 [pid 489] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 489] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 490] <... openat resumed>) = 3 [pid 490] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] <... futex resumed>) = 0 [pid 488] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 488] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 490] <... futex resumed>) = 1 [pid 490] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 490] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] <... futex resumed>) = 0 [pid 488] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 488] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 490] <... futex resumed>) = 1 [pid 490] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 490] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 490] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] <... futex resumed>) = 0 [pid 488] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 488] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 490] <... futex resumed>) = 1 [pid 490] creat(0x200000000040, 000) = 5 [pid 490] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] <... futex resumed>) = 0 [pid 488] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 488] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 490] <... futex resumed>) = 1 [pid 490] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 490] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] <... futex resumed>) = 0 [pid 488] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 488] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 490] <... futex resumed>) = 1 [pid 490] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 490] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] <... futex resumed>) = 0 [pid 488] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 488] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 490] <... futex resumed>) = 1 [pid 490] write(6, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 490] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] <... futex resumed>) = 0 [pid 490] <... futex resumed>) = 1 [pid 490] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 489] <... write resumed>) = 131072 [pid 489] munmap(0x7f0872468000, 138412032) = 0 [pid 489] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7 [pid 489] ioctl(7, LOOP_SET_FD, 4) = 0 [pid 489] close(4) = 0 [pid 489] close(7) = 0 [pid 489] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 489] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 489] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 489] ioctl(4, LOOP_CLR_FD) = 0 [pid 489] close(4) = 0 [pid 489] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] close(3) = 0 [pid 488] close(4) = -1 EBADF (Bad file descriptor) [pid 488] close(5) = 0 [pid 488] close(6) = 0 [pid 488] close(7) = -1 EBADF (Bad file descriptor) [pid 488] close(8) = -1 EBADF (Bad file descriptor) [pid 488] close(9) = -1 EBADF (Bad file descriptor) [pid 488] close(10) = -1 EBADF (Bad file descriptor) [pid 488] close(11) = -1 EBADF (Bad file descriptor) [pid 488] close(12) = -1 EBADF (Bad file descriptor) [pid 488] close(13) = -1 EBADF (Bad file descriptor) [pid 488] close(14) = -1 EBADF (Bad file descriptor) [pid 488] close(15) = -1 EBADF (Bad file descriptor) [pid 488] close(16) = -1 EBADF (Bad file descriptor) [pid 488] close(17) = -1 EBADF (Bad file descriptor) [pid 488] close(18) = -1 EBADF (Bad file descriptor) [pid 488] close(19) = -1 EBADF (Bad file descriptor) [pid 488] close(20) = -1 EBADF (Bad file descriptor) [pid 488] close(21) = -1 EBADF (Bad file descriptor) [pid 488] close(22) = -1 EBADF (Bad file descriptor) [pid 488] close(23) = -1 EBADF (Bad file descriptor) [pid 488] close(24) = -1 EBADF (Bad file descriptor) [pid 488] close(25) = -1 EBADF (Bad file descriptor) [pid 488] close(26) = -1 EBADF (Bad file descriptor) [pid 488] close(27) = -1 EBADF (Bad file descriptor) [pid 488] close(28) = -1 EBADF (Bad file descriptor) [pid 488] close(29) = -1 EBADF (Bad file descriptor) [pid 488] exit_group(0 [pid 490] <... futex resumed>) = 231 [pid 488] <... exit_group resumed>) = ? [pid 490] +++ exited with 0 +++ [pid 489] <... futex resumed>) = ? [pid 489] +++ exited with 0 +++ [pid 488] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [ 37.939469][ T489] loop0: detected capacity change from 0 to 256 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x5555721e9750) = 201 ./strace-static-x86_64: Process 491 attached [pid 491] set_robust_list(0x5555721e9760, 24) = 0 [pid 491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 491] setpgid(0, 0) = 0 [pid 491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 491] write(3, "1000", 4) = 4 [pid 491] close(3) = 0 [pid 491] write(1, "executing program\n", 18) = 18 [pid 491] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 491] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 491] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 491] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[202]}, 88) = 202 [pid 491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 491] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 491] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 491] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 491] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[203]}, 88) = 203 [pid 491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 491] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 491] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 493 attached [pid 493] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 493] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 493] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 492 attached [pid 492] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 492] memfd_create("syzkaller", 0) = 4 [pid 492] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 492] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 493] <... openat resumed>) = 3 [pid 493] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 491] <... futex resumed>) = 0 [pid 491] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 491] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] <... futex resumed>) = 1 [pid 493] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 493] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 491] <... futex resumed>) = 0 [pid 491] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 491] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] <... futex resumed>) = 1 [pid 493] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 493] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 493] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 491] <... futex resumed>) = 0 [pid 491] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 491] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] <... futex resumed>) = 1 [pid 493] creat(0x200000000040, 000) = 5 [pid 493] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 491] <... futex resumed>) = 0 [pid 491] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 491] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] <... futex resumed>) = 1 [pid 493] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 493] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 491] <... futex resumed>) = 0 [pid 491] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 491] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] <... futex resumed>) = 1 [pid 493] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 493] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 491] <... futex resumed>) = 0 [pid 491] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 491] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] <... futex resumed>) = 1 [pid 493] write(6, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 493] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 491] <... futex resumed>) = 0 [pid 493] <... futex resumed>) = 1 [pid 493] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 492] <... write resumed>) = 131072 [pid 492] munmap(0x7f0872468000, 138412032) = 0 [pid 492] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7 [pid 492] ioctl(7, LOOP_SET_FD, 4) = 0 [pid 492] close(4) = 0 [pid 492] close(7) = 0 [pid 492] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 492] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 492] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 492] ioctl(4, LOOP_CLR_FD) = 0 [pid 492] close(4) = 0 [pid 492] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 492] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 491] close(3) = 0 [pid 491] close(4) = -1 EBADF (Bad file descriptor) [pid 491] close(5) = 0 [pid 491] close(6) = 0 [pid 491] close(7) = -1 EBADF (Bad file descriptor) [pid 491] close(8) = -1 EBADF (Bad file descriptor) [pid 491] close(9) = -1 EBADF (Bad file descriptor) [pid 491] close(10) = -1 EBADF (Bad file descriptor) [pid 491] close(11) = -1 EBADF (Bad file descriptor) [pid 491] close(12) = -1 EBADF (Bad file descriptor) [pid 491] close(13) = -1 EBADF (Bad file descriptor) [pid 491] close(14) = -1 EBADF (Bad file descriptor) [pid 491] close(15) = -1 EBADF (Bad file descriptor) [pid 491] close(16) = -1 EBADF (Bad file descriptor) [pid 491] close(17) = -1 EBADF (Bad file descriptor) [pid 491] close(18) = -1 EBADF (Bad file descriptor) [pid 491] close(19) = -1 EBADF (Bad file descriptor) [pid 491] close(20) = -1 EBADF (Bad file descriptor) [pid 491] close(21) = -1 EBADF (Bad file descriptor) [pid 491] close(22) = -1 EBADF (Bad file descriptor) [pid 491] close(23) = -1 EBADF (Bad file descriptor) [pid 491] close(24) = -1 EBADF (Bad file descriptor) [pid 491] close(25) = -1 EBADF (Bad file descriptor) [pid 491] close(26) = -1 EBADF (Bad file descriptor) [pid 491] close(27) = -1 EBADF (Bad file descriptor) [pid 491] close(28) = -1 EBADF (Bad file descriptor) [pid 491] close(29) = -1 EBADF (Bad file descriptor) [pid 491] exit_group(0) = ? [pid 493] <... futex resumed>) = ? [pid 493] +++ exited with 0 +++ [pid 492] <... futex resumed>) = ? [pid 492] +++ exited with 0 +++ [pid 491] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=201, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 494 attached , child_tidptr=0x5555721e9750) = 204 [pid 494] set_robust_list(0x5555721e9760, 24) = 0 [pid 494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 494] setpgid(0, 0) = 0 [pid 494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 494] write(3, "1000", 4) = 4 [pid 494] close(3) = 0 [pid 494] write(1, "executing program\n", 18executing program ) = 18 [pid 494] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 494] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 494] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 494] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[205]}, 88) = 205 [pid 494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 494] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 494] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 494] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 494] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[206]}, 88) = 206 [ 38.018868][ T492] loop0: detected capacity change from 0 to 256 [pid 494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 494] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 494] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 495 attached [pid 495] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 495] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 495] memfd_create("syzkaller", 0) = 3 [pid 495] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 495] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 495] munmap(0x7f0872468000, 138412032) = 0 [pid 495] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 495] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 496 attached [pid 496] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 496] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 495] <... ioctl resumed>) = 0 [pid 496] <... openat resumed>) = 5 [pid 495] close(3) = 0 [pid 496] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] close(4 [pid 496] <... futex resumed>) = 1 [pid 494] <... futex resumed>) = 0 [pid 494] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] <... close resumed>) = 0 [pid 496] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 494] <... futex resumed>) = 0 [pid 496] <... mmap resumed>) = 0x200000000000 [pid 495] mkdir(0x200000000240, 0777 [pid 494] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 495] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 495] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 495] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 496] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 494] <... futex resumed>) = 0 [pid 494] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 494] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 496] <... futex resumed>) = 1 [pid 496] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 496] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 494] <... futex resumed>) = 0 [pid 494] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 494] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 496] <... futex resumed>) = 1 [pid 496] creat(0x200000000040, 000 [pid 495] <... openat resumed>) = 3 [pid 496] <... creat resumed>) = 4 [pid 495] ioctl(3, LOOP_CLR_FD [pid 496] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] <... ioctl resumed>) = 0 [pid 494] <... futex resumed>) = 0 [pid 496] <... futex resumed>) = 1 [pid 495] close(3 [pid 494] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 496] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 495] <... close resumed>) = 0 [pid 494] <... futex resumed>) = 0 [pid 495] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 494] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 495] <... futex resumed>) = 0 [pid 496] <... mount resumed>) = 0 [pid 495] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 496] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 494] <... futex resumed>) = 0 [pid 496] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 494] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] <... futex resumed>) = 0 [pid 494] <... futex resumed>) = 1 [pid 495] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 494] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 495] <... open resumed>) = 3 [pid 495] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 494] <... futex resumed>) = 0 [pid 494] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 494] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 495] write(3, 0x200000000080, 34136651) = 131072 [pid 495] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 494] <... futex resumed>) = 0 [pid 494] close(3) = 0 [pid 495] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 494] close(4) = 0 [pid 494] close(5) = 0 [pid 494] close(6) = -1 EBADF (Bad file descriptor) [pid 494] close(7) = -1 EBADF (Bad file descriptor) [pid 494] close(8) = -1 EBADF (Bad file descriptor) [pid 494] close(9) = -1 EBADF (Bad file descriptor) [pid 494] close(10) = -1 EBADF (Bad file descriptor) [pid 494] close(11) = -1 EBADF (Bad file descriptor) [pid 494] close(12) = -1 EBADF (Bad file descriptor) [pid 494] close(13) = -1 EBADF (Bad file descriptor) [pid 494] close(14) = -1 EBADF (Bad file descriptor) [pid 494] close(15) = -1 EBADF (Bad file descriptor) [pid 494] close(16) = -1 EBADF (Bad file descriptor) [pid 494] close(17) = -1 EBADF (Bad file descriptor) [pid 494] close(18) = -1 EBADF (Bad file descriptor) [pid 494] close(19) = -1 EBADF (Bad file descriptor) [pid 494] close(20) = -1 EBADF (Bad file descriptor) [pid 494] close(21) = -1 EBADF (Bad file descriptor) [pid 494] close(22) = -1 EBADF (Bad file descriptor) [pid 494] close(23) = -1 EBADF (Bad file descriptor) [pid 494] close(24) = -1 EBADF (Bad file descriptor) [pid 494] close(25) = -1 EBADF (Bad file descriptor) [pid 494] close(26) = -1 EBADF (Bad file descriptor) [pid 494] close(27) = -1 EBADF (Bad file descriptor) [pid 494] close(28) = -1 EBADF (Bad file descriptor) [pid 494] close(29) = -1 EBADF (Bad file descriptor) [pid 494] exit_group(0) = ? [pid 495] <... futex resumed>) = ? [pid 495] +++ exited with 0 +++ [pid 496] <... futex resumed>) = ? [ 38.085020][ T495] loop0: detected capacity change from 0 to 256 [pid 496] +++ exited with 0 +++ [pid 494] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 207 ./strace-static-x86_64: Process 497 attached [pid 497] set_robust_list(0x5555721e9760, 24) = 0 [pid 497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 497] setpgid(0, 0) = 0 [pid 497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 497] write(3, "1000", 4) = 4 [pid 497] close(3) = 0 [pid 497] write(1, "executing program\n", 18executing program ) = 18 [pid 497] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 497] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 497] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 497] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 497] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[208]}, 88) = 208 [pid 497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 497] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 497] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 497] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 497] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[209]}, 88) = 209 [pid 497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 497] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 497] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 498 attached [pid 498] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 498] memfd_create("syzkaller", 0) = 3 [pid 498] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 ./strace-static-x86_64: Process 499 attached [pid 499] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 498] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 499] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 498] <... write resumed>) = 131072 [pid 498] munmap(0x7f0872468000, 138412032) = 0 [pid 498] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 498] ioctl(5, LOOP_SET_FD, 3 [pid 499] <... openat resumed>) = 4 [pid 499] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 499] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 497] <... futex resumed>) = 0 [pid 497] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 497] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 499] <... futex resumed>) = 0 [pid 499] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 499] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 497] <... futex resumed>) = 0 [pid 497] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 497] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 499] <... futex resumed>) = 1 [pid 498] <... ioctl resumed>) = 0 [pid 499] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 498] close(3) = 0 [pid 499] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 498] close(5) = 0 [pid 498] mkdir(0x200000000240, 0777 [pid 499] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 498] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 499] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 497] <... futex resumed>) = 0 [pid 497] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 497] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 499] creat(0x200000000040, 000) = 3 [pid 499] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 497] <... futex resumed>) = 0 [pid 497] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 497] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 499] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 499] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 497] <... futex resumed>) = 0 [pid 497] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 498] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 497] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 499] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 498] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 498] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 498] ioctl(5, LOOP_CLR_FD) = 0 [pid 498] close(5) = 0 [pid 498] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 498] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 499] <... open resumed>) = 5 [pid 499] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 497] <... futex resumed>) = 0 [pid 497] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 497] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 498] <... futex resumed>) = 0 [pid 498] write(5, 0x200000000080, 34136651 [pid 499] <... futex resumed>) = 1 [pid 499] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 498] <... write resumed>) = 131072 [pid 498] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 497] <... futex resumed>) = 0 [pid 497] close(3) = 0 [pid 497] close(4) = 0 [pid 497] close(5 [pid 498] <... futex resumed>) = 1 [pid 498] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 497] <... close resumed>) = 0 [pid 497] close(6) = -1 EBADF (Bad file descriptor) [pid 497] close(7) = -1 EBADF (Bad file descriptor) [pid 497] close(8) = -1 EBADF (Bad file descriptor) [pid 497] close(9) = -1 EBADF (Bad file descriptor) [pid 497] close(10) = -1 EBADF (Bad file descriptor) [pid 497] close(11) = -1 EBADF (Bad file descriptor) [pid 497] close(12) = -1 EBADF (Bad file descriptor) [pid 497] close(13) = -1 EBADF (Bad file descriptor) [pid 497] close(14) = -1 EBADF (Bad file descriptor) [pid 497] close(15) = -1 EBADF (Bad file descriptor) [pid 497] close(16) = -1 EBADF (Bad file descriptor) [pid 497] close(17) = -1 EBADF (Bad file descriptor) [pid 497] close(18) = -1 EBADF (Bad file descriptor) [pid 497] close(19) = -1 EBADF (Bad file descriptor) [pid 497] close(20) = -1 EBADF (Bad file descriptor) [pid 497] close(21) = -1 EBADF (Bad file descriptor) [pid 497] close(22) = -1 EBADF (Bad file descriptor) [pid 497] close(23) = -1 EBADF (Bad file descriptor) [pid 497] close(24) = -1 EBADF (Bad file descriptor) [pid 497] close(25) = -1 EBADF (Bad file descriptor) [pid 497] close(26) = -1 EBADF (Bad file descriptor) [pid 497] close(27) = -1 EBADF (Bad file descriptor) [pid 497] close(28) = -1 EBADF (Bad file descriptor) [pid 497] close(29) = -1 EBADF (Bad file descriptor) [pid 497] exit_group(0 [pid 499] <... futex resumed>) = ? [pid 497] <... exit_group resumed>) = ? [pid 498] <... futex resumed>) = ? [pid 499] +++ exited with 0 +++ [pid 498] +++ exited with 0 +++ [pid 497] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=207, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 210 ./strace-static-x86_64: Process 500 attached [pid 500] set_robust_list(0x5555721e9760, 24) = 0 [pid 500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 500] setpgid(0, 0) = 0 [pid 500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 500] write(3, "1000", 4) = 4 [pid 500] close(3) = 0 [pid 500] write(1, "executing program\n", 18executing program ) = 18 [pid 500] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 500] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 500] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 500] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[211]}, 88) = 211 [ 38.217309][ T498] loop0: detected capacity change from 0 to 256 [pid 500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 500] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 500] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 500] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 500] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[212]}, 88) = 212 [pid 500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 500] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 500] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 502 attached ./strace-static-x86_64: Process 501 attached [pid 502] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 501] set_robust_list(0x7f087a8a99a0, 24 [pid 502] rt_sigprocmask(SIG_SETMASK, [], [pid 501] <... set_robust_list resumed>) = 0 [pid 502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 501] rt_sigprocmask(SIG_SETMASK, [], [pid 502] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 501] memfd_create("syzkaller", 0) = 4 [pid 501] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 501] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 501] munmap(0x7f0872468000, 138412032) = 0 [pid 501] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 501] ioctl(5, LOOP_SET_FD, 4 [pid 502] <... openat resumed>) = 3 [pid 502] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 502] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 500] <... futex resumed>) = 0 [pid 500] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 500] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 502] <... futex resumed>) = 0 [pid 502] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 502] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 501] <... ioctl resumed>) = 0 [pid 501] close(4 [pid 502] <... futex resumed>) = 1 [pid 500] <... futex resumed>) = 0 [pid 502] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 501] <... close resumed>) = 0 [pid 500] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 500] <... futex resumed>) = 0 [pid 501] close(5 [pid 500] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 501] <... close resumed>) = 0 [pid 501] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 501] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 502] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 501] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 501] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 501] ioctl(4, LOOP_CLR_FD) = 0 [pid 501] close(4) = 0 [pid 501] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 501] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 502] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 502] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 500] <... futex resumed>) = 0 [pid 500] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 502] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 500] <... futex resumed>) = 1 [pid 500] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 501] <... futex resumed>) = 0 [pid 501] creat(0x200000000040, 000) = 4 [pid 501] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 500] <... futex resumed>) = 0 [pid 501] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 500] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 500] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 501] <... mount resumed>) = 0 [pid 501] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 501] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 500] <... futex resumed>) = 0 [pid 500] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 500] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 501] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 501] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 500] <... futex resumed>) = 0 [pid 501] write(5, 0x200000000080, 34136651 [pid 500] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 500] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 501] <... write resumed>) = 131072 [pid 501] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 500] <... futex resumed>) = 0 [pid 500] close(3) = 0 [pid 500] close(4 [pid 501] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 500] <... close resumed>) = 0 [pid 500] close(5) = 0 [pid 500] close(6) = -1 EBADF (Bad file descriptor) [pid 500] close(7) = -1 EBADF (Bad file descriptor) [pid 500] close(8) = -1 EBADF (Bad file descriptor) [pid 500] close(9) = -1 EBADF (Bad file descriptor) [pid 500] close(10) = -1 EBADF (Bad file descriptor) [pid 500] close(11) = -1 EBADF (Bad file descriptor) [pid 500] close(12) = -1 EBADF (Bad file descriptor) [pid 500] close(13) = -1 EBADF (Bad file descriptor) [pid 500] close(14) = -1 EBADF (Bad file descriptor) [pid 500] close(15) = -1 EBADF (Bad file descriptor) [pid 500] close(16) = -1 EBADF (Bad file descriptor) [pid 500] close(17) = -1 EBADF (Bad file descriptor) [pid 500] close(18) = -1 EBADF (Bad file descriptor) [pid 500] close(19) = -1 EBADF (Bad file descriptor) [pid 500] close(20) = -1 EBADF (Bad file descriptor) [pid 500] close(21) = -1 EBADF (Bad file descriptor) [pid 500] close(22) = -1 EBADF (Bad file descriptor) [pid 500] close(23) = -1 EBADF (Bad file descriptor) [pid 500] close(24) = -1 EBADF (Bad file descriptor) [pid 500] close(25) = -1 EBADF (Bad file descriptor) [pid 500] close(26) = -1 EBADF (Bad file descriptor) [pid 500] close(27) = -1 EBADF (Bad file descriptor) [pid 500] close(28) = -1 EBADF (Bad file descriptor) [pid 500] close(29) = -1 EBADF (Bad file descriptor) [pid 500] exit_group(0 [pid 502] <... futex resumed>) = 231 [pid 500] <... exit_group resumed>) = ? [pid 501] <... futex resumed>) = ? [pid 502] +++ exited with 0 +++ [pid 501] +++ exited with 0 +++ [pid 500] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 213 ./strace-static-x86_64: Process 503 attached [pid 503] set_robust_list(0x5555721e9760, 24) = 0 [pid 503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 503] setpgid(0, 0) = 0 [pid 503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 503] write(3, "1000", 4) = 4 [pid 503] close(3) = 0 [pid 503] write(1, "executing program\n", 18executing program ) = 18 [pid 503] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 503] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 503] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 503] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 503] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 504 attached => {parent_tid=[214]}, 88) = 214 [pid 504] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 504] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 503] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 504] <... futex resumed>) = 0 [pid 504] memfd_create("syzkaller", 0) = 3 [pid 504] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872489000 [pid 503] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0872468000 [pid 503] mprotect(0x7f0872469000, 131072, PROT_READ|PROT_WRITE [pid 504] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 503] <... mprotect resumed>) = 0 [pid 503] rt_sigprocmask(SIG_BLOCK, ~[], [pid 504] <... write resumed>) = 131072 [pid 504] munmap(0x7f0872489000, 138412032 [pid 503] <... rt_sigprocmask resumed>[], 8) = 0 [pid 504] <... munmap resumed>) = 0 [pid 504] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0872488990, parent_tid=0x7f0872488990, exit_signal=0, stack=0x7f0872468000, stack_size=0x20240, tls=0x7f08724886c0}./strace-static-x86_64: Process 505 attached [pid 505] set_robust_list(0x7f08724889a0, 24) = 0 [pid 505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 505] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 503] <... clone3 resumed> => {parent_tid=[215]}, 88) = 215 [pid 503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 503] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 505] <... futex resumed>) = 0 [pid 505] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 503] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 505] <... openat resumed>) = 5 [pid 505] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 503] <... futex resumed>) = 0 [pid 503] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 504] <... openat resumed>) = 4 [pid 503] <... futex resumed>) = 0 [pid 503] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 505] <... futex resumed>) = 1 [pid 505] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 505] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 503] <... futex resumed>) = 0 [pid 503] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 503] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 505] <... futex resumed>) = 1 [pid 505] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 505] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 505] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 503] <... futex resumed>) = 0 [pid 503] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 503] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 505] <... futex resumed>) = 1 [pid 505] creat(0x200000000040, 000) = 6 [pid 505] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 503] <... futex resumed>) = 0 [pid 503] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 503] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 505] <... futex resumed>) = 1 [pid 504] ioctl(4, LOOP_SET_FD, 3 [ 38.283890][ T501] loop0: detected capacity change from 0 to 256 [pid 505] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 505] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 503] <... futex resumed>) = 0 [pid 503] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 503] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 505] <... futex resumed>) = 1 [pid 505] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 504] <... ioctl resumed>) = 0 [pid 504] close(3) = 0 [pid 504] close(4 [pid 505] <... open resumed>) = 7 [pid 504] <... close resumed>) = 0 [pid 504] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 504] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 504] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 504] ioctl(3, LOOP_CLR_FD) = 0 [pid 504] close(3) = 0 [pid 504] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 504] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 505] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 503] <... futex resumed>) = 0 [pid 503] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 504] <... futex resumed>) = 0 [pid 503] <... futex resumed>) = 1 [pid 504] write(7, 0x200000000080, 34136651 [pid 503] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 505] <... futex resumed>) = 1 [pid 505] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 504] <... write resumed>) = 131072 [pid 504] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 503] <... futex resumed>) = 0 [pid 504] <... futex resumed>) = 1 [pid 503] close(3) = -1 EBADF (Bad file descriptor) [pid 504] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 503] close(4) = -1 EBADF (Bad file descriptor) [pid 503] close(5) = 0 [pid 503] close(6) = 0 [pid 503] close(7) = 0 [pid 503] close(8) = -1 EBADF (Bad file descriptor) [pid 503] close(9) = -1 EBADF (Bad file descriptor) [pid 503] close(10) = -1 EBADF (Bad file descriptor) [pid 503] close(11) = -1 EBADF (Bad file descriptor) [pid 503] close(12) = -1 EBADF (Bad file descriptor) [pid 503] close(13) = -1 EBADF (Bad file descriptor) [pid 503] close(14) = -1 EBADF (Bad file descriptor) [pid 503] close(15) = -1 EBADF (Bad file descriptor) [pid 503] close(16) = -1 EBADF (Bad file descriptor) [pid 503] close(17) = -1 EBADF (Bad file descriptor) [pid 503] close(18) = -1 EBADF (Bad file descriptor) [pid 503] close(19) = -1 EBADF (Bad file descriptor) [pid 503] close(20) = -1 EBADF (Bad file descriptor) [pid 503] close(21) = -1 EBADF (Bad file descriptor) [pid 503] close(22) = -1 EBADF (Bad file descriptor) [pid 503] close(23) = -1 EBADF (Bad file descriptor) [pid 503] close(24) = -1 EBADF (Bad file descriptor) [pid 503] close(25) = -1 EBADF (Bad file descriptor) [pid 503] close(26) = -1 EBADF (Bad file descriptor) [pid 503] close(27) = -1 EBADF (Bad file descriptor) [pid 503] close(28) = -1 EBADF (Bad file descriptor) [pid 503] close(29) = -1 EBADF (Bad file descriptor) [pid 503] exit_group(0) = ? [pid 504] <... futex resumed>) = ? [pid 505] <... futex resumed>) = ? [pid 505] +++ exited with 0 +++ [pid 504] +++ exited with 0 +++ [pid 503] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=213, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 216 ./strace-static-x86_64: Process 506 attached [pid 506] set_robust_list(0x5555721e9760, 24) = 0 [pid 506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 506] setpgid(0, 0) = 0 [pid 506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 506] write(3, "1000", 4) = 4 [pid 506] close(3) = 0 [pid 506] write(1, "executing program\n", 18executing program ) = 18 [pid 506] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 506] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 506] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 506] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[217]}, 88) = 217 [pid 506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 506] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 506] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 506] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[218]}, 88) = 218 [ 38.336007][ T504] loop0: detected capacity change from 0 to 256 [pid 506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 506] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 506] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 507 attached [pid 507] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 507] memfd_create("syzkaller", 0) = 3 [pid 507] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 507] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 507] munmap(0x7f0872468000, 138412032) = 0 [pid 507] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 507] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 508 attached [pid 508] set_robust_list(0x7f087a8889a0, 24 [pid 507] <... ioctl resumed>) = 0 [pid 508] <... set_robust_list resumed>) = 0 [pid 507] close(3 [pid 508] rt_sigprocmask(SIG_SETMASK, [], [pid 507] <... close resumed>) = 0 [pid 508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 508] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 507] close(4) = 0 [pid 507] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 507] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 508] <... openat resumed>) = 3 [pid 508] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 506] <... futex resumed>) = 0 [pid 506] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 506] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 508] <... futex resumed>) = 1 [pid 508] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 508] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 506] <... futex resumed>) = 0 [pid 506] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 506] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 508] <... futex resumed>) = 1 [pid 508] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 508] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 508] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 506] <... futex resumed>) = 0 [pid 506] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 506] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 508] <... futex resumed>) = 1 [pid 508] creat(0x200000000040, 000) = 4 [pid 508] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 506] <... futex resumed>) = 0 [pid 506] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 506] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 508] <... futex resumed>) = 1 [pid 508] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 508] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 506] <... futex resumed>) = 0 [pid 506] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 506] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 508] <... futex resumed>) = 1 [pid 508] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 508] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 506] <... futex resumed>) = 0 [pid 506] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 508] <... futex resumed>) = 1 [pid 506] <... futex resumed>) = 0 [pid 506] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 38.400449][ T507] loop0: detected capacity change from 0 to 256 [ 38.420347][ T507] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 38.433952][ T507] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [pid 508] write(5, 0x200000000080, 34136651) = 131072 [pid 508] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 508] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 506] <... futex resumed>) = 0 [pid 507] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 507] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 507] ioctl(6, LOOP_CLR_FD) = 0 [pid 507] close(6) = 0 [pid 507] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 507] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 506] close(3) = 0 [pid 506] close(4) = 0 [pid 506] close(5) = 0 [pid 506] close(6) = -1 EBADF (Bad file descriptor) [pid 506] close(7) = -1 EBADF (Bad file descriptor) [pid 506] close(8) = -1 EBADF (Bad file descriptor) [pid 506] close(9) = -1 EBADF (Bad file descriptor) [pid 506] close(10) = -1 EBADF (Bad file descriptor) [pid 506] close(11) = -1 EBADF (Bad file descriptor) [pid 506] close(12) = -1 EBADF (Bad file descriptor) [pid 506] close(13) = -1 EBADF (Bad file descriptor) [pid 506] close(14) = -1 EBADF (Bad file descriptor) [pid 506] close(15) = -1 EBADF (Bad file descriptor) [pid 506] close(16) = -1 EBADF (Bad file descriptor) [pid 506] close(17) = -1 EBADF (Bad file descriptor) [pid 506] close(18) = -1 EBADF (Bad file descriptor) [pid 506] close(19) = -1 EBADF (Bad file descriptor) [pid 506] close(20) = -1 EBADF (Bad file descriptor) [pid 506] close(21) = -1 EBADF (Bad file descriptor) [pid 506] close(22) = -1 EBADF (Bad file descriptor) [pid 506] close(23) = -1 EBADF (Bad file descriptor) [pid 506] close(24) = -1 EBADF (Bad file descriptor) [pid 506] close(25) = -1 EBADF (Bad file descriptor) [pid 506] close(26) = -1 EBADF (Bad file descriptor) [pid 506] close(27) = -1 EBADF (Bad file descriptor) [pid 506] close(28) = -1 EBADF (Bad file descriptor) [pid 506] close(29) = -1 EBADF (Bad file descriptor) [pid 506] exit_group(0) = ? [pid 507] <... futex resumed>) = ? [pid 508] <... futex resumed>) = ? [pid 507] +++ exited with 0 +++ [pid 508] +++ exited with 0 +++ [pid 506] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=9} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 219 ./strace-static-x86_64: Process 509 attached [pid 509] set_robust_list(0x5555721e9760, 24) = 0 [ 38.448673][ T507] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d) [ 38.462565][ T507] exFAT-fs (loop0): failed to load alloc-bitmap [ 38.470580][ T507] exFAT-fs (loop0): failed to recognize exfat type [pid 509] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 509] setpgid(0, 0) = 0 [pid 509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 509] write(3, "1000", 4) = 4 [pid 509] close(3) = 0 [pid 509] write(1, "executing program\n", 18) = 18 [pid 509] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 509] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 509] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 509] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 509] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[220]}, 88) = 220 [pid 509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 509] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 509] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 509] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 509] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[221]}, 88) = 221 [pid 509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 509] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 509] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 510 attached [pid 510] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 511 attached [pid 510] memfd_create("syzkaller", 0 [pid 511] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 511] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 511] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 510] <... memfd_create resumed>) = 3 [pid 510] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 510] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 510] munmap(0x7f0872468000, 138412032) = 0 [pid 510] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 510] ioctl(5, LOOP_SET_FD, 3 [pid 511] <... openat resumed>) = 4 [pid 511] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 509] <... futex resumed>) = 0 [pid 509] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 509] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 511] <... futex resumed>) = 1 [pid 511] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 511] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 509] <... futex resumed>) = 0 [pid 509] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 509] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 511] <... futex resumed>) = 1 [pid 511] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 511] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 511] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 509] <... futex resumed>) = 0 [pid 509] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 509] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 511] <... futex resumed>) = 1 [pid 511] creat(0x200000000040, 000) = 6 [pid 510] <... ioctl resumed>) = 0 [pid 511] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 510] close(3 [pid 509] <... futex resumed>) = 0 [pid 510] <... close resumed>) = 0 [pid 510] close(5) = 0 [pid 510] mkdir(0x200000000240, 0777 [pid 509] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 511] <... futex resumed>) = 1 [pid 509] <... futex resumed>) = 0 [pid 511] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 510] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 509] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 511] <... mount resumed>) = 0 [pid 510] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 510] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 511] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 510] <... openat resumed>) = 3 [pid 509] <... futex resumed>) = 0 [pid 509] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 509] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 511] <... futex resumed>) = 1 [pid 511] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 510] ioctl(3, LOOP_CLR_FD) = 0 [pid 510] close(3) = 0 [pid 511] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 509] <... futex resumed>) = 0 [pid 509] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 509] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 511] <... futex resumed>) = 1 [pid 511] write(5, 0x200000000080, 34136651 [pid 510] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 510] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 511] <... write resumed>) = 131072 [pid 511] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 509] <... futex resumed>) = 0 [pid 509] close(3) = -1 EBADF (Bad file descriptor) [pid 509] close(4) = 0 [pid 509] close(5) = 0 [pid 509] close(6) = 0 [pid 509] close(7) = -1 EBADF (Bad file descriptor) [pid 509] close(8) = -1 EBADF (Bad file descriptor) [pid 509] close(9) = -1 EBADF (Bad file descriptor) [pid 509] close(10) = -1 EBADF (Bad file descriptor) [pid 509] close(11) = -1 EBADF (Bad file descriptor) [pid 509] close(12) = -1 EBADF (Bad file descriptor) [pid 509] close(13) = -1 EBADF (Bad file descriptor) [pid 509] close(14) = -1 EBADF (Bad file descriptor) [pid 509] close(15) = -1 EBADF (Bad file descriptor) [pid 509] close(16) = -1 EBADF (Bad file descriptor) [pid 509] close(17) = -1 EBADF (Bad file descriptor) [pid 509] close(18) = -1 EBADF (Bad file descriptor) [pid 509] close(19) = -1 EBADF (Bad file descriptor) [pid 509] close(20) = -1 EBADF (Bad file descriptor) [pid 509] close(21) = -1 EBADF (Bad file descriptor) [pid 509] close(22) = -1 EBADF (Bad file descriptor) [pid 509] close(23) = -1 EBADF (Bad file descriptor) [pid 509] close(24) = -1 EBADF (Bad file descriptor) [pid 509] close(25) = -1 EBADF (Bad file descriptor) [pid 509] close(26) = -1 EBADF (Bad file descriptor) [pid 509] close(27) = -1 EBADF (Bad file descriptor) [pid 509] close(28) = -1 EBADF (Bad file descriptor) [pid 509] close(29) = -1 EBADF (Bad file descriptor) [pid 509] exit_group(0) = ? [pid 510] <... futex resumed>) = ? [pid 510] +++ exited with 0 +++ [pid 511] +++ exited with 0 +++ [pid 509] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=219, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 222 ./strace-static-x86_64: Process 512 attached [pid 512] set_robust_list(0x5555721e9760, 24) = 0 [pid 512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 512] setpgid(0, 0) = 0 [pid 512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 38.540285][ T510] loop0: detected capacity change from 0 to 256 [pid 512] write(3, "1000", 4) = 4 [pid 512] close(3) = 0 [pid 512] write(1, "executing program\n", 18executing program ) = 18 [pid 512] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 512] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 512] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 512] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 512] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[223]}, 88) = 223 [pid 512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 512] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 512] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 512] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 512] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[224]}, 88) = 224 [pid 512] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 514 attached ./strace-static-x86_64: Process 513 attached NULL, 8) = 0 [pid 514] set_robust_list(0x7f087a8889a0, 24 [pid 513] set_robust_list(0x7f087a8a99a0, 24 [pid 512] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 514] <... set_robust_list resumed>) = 0 [pid 514] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 514] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 513] <... set_robust_list resumed>) = 0 [pid 512] <... futex resumed>) = 0 [pid 513] rt_sigprocmask(SIG_SETMASK, [], [pid 512] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 513] memfd_create("syzkaller", 0) = 4 [pid 513] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 513] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 513] munmap(0x7f0872468000, 138412032) = 0 [pid 513] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 513] ioctl(5, LOOP_SET_FD, 4 [pid 514] <... openat resumed>) = 3 [pid 514] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 514] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 512] <... futex resumed>) = 0 [pid 512] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 512] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 514] <... futex resumed>) = 0 [pid 514] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 514] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 512] <... futex resumed>) = 0 [pid 512] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 512] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 514] <... futex resumed>) = 1 [pid 514] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 514] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 514] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 512] <... futex resumed>) = 0 [pid 512] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 512] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 514] <... futex resumed>) = 1 [pid 513] <... ioctl resumed>) = 0 [pid 513] close(4 [pid 514] creat(0x200000000040, 000 [pid 513] <... close resumed>) = 0 [pid 513] close(5 [pid 514] <... creat resumed>) = 4 [pid 513] <... close resumed>) = 0 [pid 513] mkdir(0x200000000240, 0777 [pid 514] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 513] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 512] <... futex resumed>) = 0 [pid 512] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 512] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 514] <... futex resumed>) = 1 [pid 514] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 514] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 512] <... futex resumed>) = 0 [pid 512] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 512] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 514] <... futex resumed>) = 1 [pid 514] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 514] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 513] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 512] <... futex resumed>) = 0 [pid 512] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 512] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 514] <... futex resumed>) = 1 [pid 513] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 514] write(5, 0x200000000080, 34136651 [pid 513] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 513] ioctl(6, LOOP_CLR_FD) = 0 [pid 513] close(6) = 0 [pid 514] <... write resumed>) = 131072 [pid 514] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 513] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 512] <... futex resumed>) = 0 [pid 512] close(3) = 0 [pid 512] close(4) = 0 [pid 512] close(5) = 0 [pid 512] close(6) = -1 EBADF (Bad file descriptor) [pid 512] close(7) = -1 EBADF (Bad file descriptor) [pid 512] close(8) = -1 EBADF (Bad file descriptor) [pid 512] close(9) = -1 EBADF (Bad file descriptor) [pid 512] close(10) = -1 EBADF (Bad file descriptor) [pid 512] close(11) = -1 EBADF (Bad file descriptor) [pid 512] close(12) = -1 EBADF (Bad file descriptor) [pid 512] close(13) = -1 EBADF (Bad file descriptor) [pid 512] close(14) = -1 EBADF (Bad file descriptor) [pid 512] close(15) = -1 EBADF (Bad file descriptor) [pid 512] close(16) = -1 EBADF (Bad file descriptor) [pid 512] close(17) = -1 EBADF (Bad file descriptor) [pid 512] close(18) = -1 EBADF (Bad file descriptor) [pid 512] close(19 [pid 513] <... futex resumed>) = 0 [pid 512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 514] <... futex resumed>) = 1 [pid 512] close(20) = -1 EBADF (Bad file descriptor) [pid 512] close(21) = -1 EBADF (Bad file descriptor) [pid 512] close(22) = -1 EBADF (Bad file descriptor) [pid 512] close(23 [pid 513] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 512] close(24) = -1 EBADF (Bad file descriptor) [pid 512] close(25) = -1 EBADF (Bad file descriptor) [pid 512] close(26) = -1 EBADF (Bad file descriptor) [pid 512] close(27) = -1 EBADF (Bad file descriptor) [pid 512] close(28) = -1 EBADF (Bad file descriptor) [pid 512] close(29) = -1 EBADF (Bad file descriptor) [pid 512] exit_group(0) = ? [pid 514] +++ exited with 0 +++ [pid 513] <... futex resumed>) = ? [pid 513] +++ exited with 0 +++ [pid 512] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 38.616089][ T513] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 225 ./strace-static-x86_64: Process 515 attached [pid 515] set_robust_list(0x5555721e9760, 24) = 0 [pid 515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 515] setpgid(0, 0) = 0 [pid 515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 515] write(3, "1000", 4) = 4 [pid 515] close(3) = 0 [pid 515] write(1, "executing program\n", 18executing program ) = 18 [pid 515] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 515] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 515] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 515] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[226]}, 88) = 226 [pid 515] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 515] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 515] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 515] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 515] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[227]}, 88) = 227 [pid 515] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 515] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 515] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 517 attached ./strace-static-x86_64: Process 516 attached [pid 517] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 516] set_robust_list(0x7f087a8a99a0, 24 [pid 517] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 516] <... set_robust_list resumed>) = 0 [pid 516] rt_sigprocmask(SIG_SETMASK, [], [pid 517] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 516] memfd_create("syzkaller", 0) = 4 [pid 516] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 516] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 516] munmap(0x7f0872468000, 138412032) = 0 [pid 516] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 516] ioctl(5, LOOP_SET_FD, 4 [pid 517] <... openat resumed>) = 3 [pid 517] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 515] <... futex resumed>) = 0 [pid 515] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 515] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 517] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 517] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 516] <... ioctl resumed>) = 0 [pid 516] close(4 [pid 517] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 516] <... close resumed>) = 0 [pid 516] close(5) = 0 [pid 516] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 516] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 516] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 516] ioctl(4, LOOP_CLR_FD) = 0 [pid 516] close(4) = 0 [pid 516] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 516] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 515] <... futex resumed>) = 0 [pid 515] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 515] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 516] <... futex resumed>) = 0 [pid 516] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 516] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 515] <... futex resumed>) = 0 [pid 515] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 515] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 516] <... futex resumed>) = 1 [pid 516] creat(0x200000000040, 000) = 4 [pid 516] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 515] <... futex resumed>) = 0 [pid 515] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 515] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 516] <... futex resumed>) = 1 [pid 516] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 516] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 515] <... futex resumed>) = 0 [pid 515] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 515] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 516] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 516] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 515] <... futex resumed>) = 0 [pid 516] write(5, 0x200000000080, 34136651 [pid 515] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 515] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 516] <... write resumed>) = 131072 [pid 516] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 515] <... futex resumed>) = 0 [pid 515] close(3 [pid 516] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 515] <... close resumed>) = 0 [pid 515] close(4) = 0 [pid 515] close(5) = 0 [pid 515] close(6) = -1 EBADF (Bad file descriptor) [pid 515] close(7) = -1 EBADF (Bad file descriptor) [pid 515] close(8) = -1 EBADF (Bad file descriptor) [pid 515] close(9) = -1 EBADF (Bad file descriptor) [pid 515] close(10) = -1 EBADF (Bad file descriptor) [pid 515] close(11) = -1 EBADF (Bad file descriptor) [pid 515] close(12) = -1 EBADF (Bad file descriptor) [pid 515] close(13) = -1 EBADF (Bad file descriptor) [pid 515] close(14) = -1 EBADF (Bad file descriptor) [pid 515] close(15) = -1 EBADF (Bad file descriptor) [pid 515] close(16) = -1 EBADF (Bad file descriptor) [pid 515] close(17) = -1 EBADF (Bad file descriptor) [pid 515] close(18) = -1 EBADF (Bad file descriptor) [pid 515] close(19) = -1 EBADF (Bad file descriptor) [pid 515] close(20) = -1 EBADF (Bad file descriptor) [pid 515] close(21) = -1 EBADF (Bad file descriptor) [pid 515] close(22) = -1 EBADF (Bad file descriptor) [pid 515] close(23) = -1 EBADF (Bad file descriptor) [pid 515] close(24) = -1 EBADF (Bad file descriptor) [pid 515] close(25) = -1 EBADF (Bad file descriptor) [pid 515] close(26) = -1 EBADF (Bad file descriptor) [pid 515] close(27) = -1 EBADF (Bad file descriptor) [pid 515] close(28) = -1 EBADF (Bad file descriptor) [pid 515] close(29) = -1 EBADF (Bad file descriptor) [pid 515] exit_group(0) = ? [pid 517] <... futex resumed>) = ? [pid 516] <... futex resumed>) = ? [pid 517] +++ exited with 0 +++ [pid 516] +++ exited with 0 +++ [pid 515] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=225, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 38.702359][ T516] loop0: detected capacity change from 0 to 256 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 228 ./strace-static-x86_64: Process 518 attached [pid 518] set_robust_list(0x5555721e9760, 24) = 0 [pid 518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 518] setpgid(0, 0) = 0 [pid 518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 518] write(3, "1000", 4) = 4 [pid 518] close(3) = 0 [pid 518] write(1, "executing program\n", 18executing program ) = 18 [pid 518] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 518] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 518] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 518] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 518] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[229]}, 88) = 229 [pid 518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 518] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 518] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 518] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 519 attached [pid 519] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 519] rt_sigprocmask(SIG_SETMASK, [], [pid 518] <... mprotect resumed>) = 0 [pid 519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 519] memfd_create("syzkaller", 0 [pid 518] rt_sigprocmask(SIG_BLOCK, ~[], [pid 519] <... memfd_create resumed>) = 3 [pid 519] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 518] <... rt_sigprocmask resumed>[], 8) = 0 [pid 518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} [pid 519] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 520 attached [pid 520] set_robust_list(0x7f087a8889a0, 24 [pid 519] <... write resumed>) = 131072 [pid 518] <... clone3 resumed> => {parent_tid=[230]}, 88) = 230 [pid 519] munmap(0x7f0872468000, 138412032 [pid 518] rt_sigprocmask(SIG_SETMASK, [], [pid 520] <... set_robust_list resumed>) = 0 [pid 519] <... munmap resumed>) = 0 [pid 518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 519] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 518] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 520] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 519] <... openat resumed>) = 4 [pid 518] <... futex resumed>) = 0 [pid 519] ioctl(4, LOOP_SET_FD, 3 [pid 518] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 520] openat(AT_FDCWD, "/selinux/policy", O_RDONLY) = 5 [pid 520] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 520] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 519] <... ioctl resumed>) = 0 [pid 519] close(3) = 0 [pid 519] close(4) = 0 [pid 519] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 519] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 518] <... futex resumed>) = 0 [pid 518] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 518] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 520] <... futex resumed>) = 0 [pid 520] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 520] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] <... futex resumed>) = 0 [pid 518] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 518] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 520] <... futex resumed>) = 1 [pid 520] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 520] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 520] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] <... futex resumed>) = 0 [pid 518] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 518] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 520] <... futex resumed>) = 1 [pid 520] creat(0x200000000040, 000) = 3 [pid 520] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 520] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 518] <... futex resumed>) = 0 [pid 518] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 518] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 520] <... futex resumed>) = 0 [pid 520] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 520] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] <... futex resumed>) = 0 [pid 518] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 518] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 520] <... futex resumed>) = 1 [pid 520] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 520] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] <... futex resumed>) = 0 [pid 518] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 518] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 520] <... futex resumed>) = 1 [pid 520] write(4, 0x200000000080, 34136651) = 131072 [pid 520] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] <... futex resumed>) = 0 [pid 520] <... futex resumed>) = 1 [ 38.853510][ T519] loop0: detected capacity change from 0 to 256 [ 38.866849][ T519] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 38.880555][ T519] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [ 38.891146][ T519] exFAT-fs (loop0): unable to set blocksize 33554432 [pid 520] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 519] <... mount resumed>) = -1 EIO (Input/output error) [pid 519] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 519] ioctl(6, LOOP_CLR_FD) = 0 [pid 519] close(6) = 0 [pid 519] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 519] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 518] close(3) = 0 [pid 518] close(4) = 0 [pid 518] close(5) = 0 [pid 518] close(6) = -1 EBADF (Bad file descriptor) [pid 518] close(7) = -1 EBADF (Bad file descriptor) [pid 518] close(8) = -1 EBADF (Bad file descriptor) [pid 518] close(9) = -1 EBADF (Bad file descriptor) [pid 518] close(10) = -1 EBADF (Bad file descriptor) [pid 518] close(11) = -1 EBADF (Bad file descriptor) [pid 518] close(12) = -1 EBADF (Bad file descriptor) [pid 518] close(13) = -1 EBADF (Bad file descriptor) [pid 518] close(14) = -1 EBADF (Bad file descriptor) [pid 518] close(15) = -1 EBADF (Bad file descriptor) [pid 518] close(16) = -1 EBADF (Bad file descriptor) [pid 518] close(17) = -1 EBADF (Bad file descriptor) [pid 518] close(18) = -1 EBADF (Bad file descriptor) [pid 518] close(19) = -1 EBADF (Bad file descriptor) [pid 518] close(20) = -1 EBADF (Bad file descriptor) [pid 518] close(21) = -1 EBADF (Bad file descriptor) [pid 518] close(22) = -1 EBADF (Bad file descriptor) [pid 518] close(23) = -1 EBADF (Bad file descriptor) [pid 518] close(24) = -1 EBADF (Bad file descriptor) [pid 518] close(25) = -1 EBADF (Bad file descriptor) [pid 518] close(26) = -1 EBADF (Bad file descriptor) [ 38.899649][ T519] exFAT-fs (loop0): failed to read boot sector [ 38.908143][ T519] exFAT-fs (loop0): failed to recognize exfat type [pid 518] close(27) = -1 EBADF (Bad file descriptor) [pid 518] close(28) = -1 EBADF (Bad file descriptor) [pid 518] close(29) = -1 EBADF (Bad file descriptor) [pid 518] exit_group(0) = ? [pid 520] <... futex resumed>) = ? [pid 520] +++ exited with 0 +++ [pid 519] <... futex resumed>) = ? [pid 519] +++ exited with 0 +++ [pid 518] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FDexecuting program ) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 231 ./strace-static-x86_64: Process 521 attached [pid 521] set_robust_list(0x5555721e9760, 24) = 0 [pid 521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 521] setpgid(0, 0) = 0 [pid 521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 521] write(3, "1000", 4) = 4 [pid 521] close(3) = 0 [pid 521] write(1, "executing program\n", 18) = 18 [pid 521] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 521] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 521] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 521] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[232]}, 88) = 232 [pid 521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 521] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 521] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 522 attached [pid 522] set_robust_list(0x7f087a8a99a0, 24 [pid 521] <... futex resumed>) = 0 [pid 522] <... set_robust_list resumed>) = 0 [pid 521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 522] rt_sigprocmask(SIG_SETMASK, [], [pid 521] <... mmap resumed>) = 0x7f087a868000 [pid 521] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE [pid 522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 521] <... mprotect resumed>) = 0 [pid 522] memfd_create("syzkaller", 0) = 3 [pid 522] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 521] rt_sigprocmask(SIG_BLOCK, ~[], [pid 522] <... mmap resumed>) = 0x7f0872468000 [pid 521] <... rt_sigprocmask resumed>[], 8) = 0 [pid 521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[233]}, 88) = 233 [pid 521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 521] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 522] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 523 attached [pid 521] <... futex resumed>) = 0 [pid 523] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 523] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 523] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 522] <... write resumed>) = 131072 [pid 521] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 522] munmap(0x7f0872468000, 138412032) = 0 [pid 522] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 522] ioctl(5, LOOP_SET_FD, 3 [pid 523] <... openat resumed>) = 4 [pid 523] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 523] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 522] <... ioctl resumed>) = 0 [pid 522] close(3) = 0 [pid 522] close(5 [pid 521] <... futex resumed>) = 0 [pid 521] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 521] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 522] <... close resumed>) = 0 [pid 522] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 522] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 523] <... futex resumed>) = 0 [pid 523] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 523] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 523] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 521] <... futex resumed>) = 0 [pid 521] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 521] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 523] <... futex resumed>) = 0 [pid 523] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 523] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 523] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 521] <... futex resumed>) = 0 [pid 521] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 521] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 523] <... futex resumed>) = 1 [pid 523] creat(0x200000000040, 000) = 3 [pid 523] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 523] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 521] <... futex resumed>) = 0 [pid 521] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 521] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 523] <... futex resumed>) = 0 [pid 523] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 523] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 521] <... futex resumed>) = 0 [pid 521] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 521] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 523] <... futex resumed>) = 1 [pid 523] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 523] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 521] <... futex resumed>) = 0 [pid 521] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 521] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 523] <... futex resumed>) = 1 [pid 523] write(5, 0x200000000080, 34136651) = 131072 [pid 523] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 521] <... futex resumed>) = 0 [pid 523] <... futex resumed>) = 1 [ 38.984846][ T522] loop0: detected capacity change from 0 to 256 [ 38.994882][ T522] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 39.008813][ T522] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [ 39.021874][ T522] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d) [pid 523] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 522] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 522] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 522] ioctl(6, LOOP_CLR_FD) = 0 [pid 522] close(6) = 0 [pid 522] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 522] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 521] close(3) = 0 [pid 521] close(4) = 0 [ 39.035614][ T522] exFAT-fs (loop0): failed to load alloc-bitmap [ 39.043443][ T522] exFAT-fs (loop0): failed to recognize exfat type [pid 521] close(5) = 0 [pid 521] close(6) = -1 EBADF (Bad file descriptor) [pid 521] close(7) = -1 EBADF (Bad file descriptor) [pid 521] close(8) = -1 EBADF (Bad file descriptor) [pid 521] close(9) = -1 EBADF (Bad file descriptor) [pid 521] close(10) = -1 EBADF (Bad file descriptor) [pid 521] close(11) = -1 EBADF (Bad file descriptor) [pid 521] close(12) = -1 EBADF (Bad file descriptor) [pid 521] close(13) = -1 EBADF (Bad file descriptor) [pid 521] close(14) = -1 EBADF (Bad file descriptor) [pid 521] close(15) = -1 EBADF (Bad file descriptor) [pid 521] close(16) = -1 EBADF (Bad file descriptor) [pid 521] close(17) = -1 EBADF (Bad file descriptor) [pid 521] close(18) = -1 EBADF (Bad file descriptor) [pid 521] close(19) = -1 EBADF (Bad file descriptor) [pid 521] close(20) = -1 EBADF (Bad file descriptor) [pid 521] close(21) = -1 EBADF (Bad file descriptor) [pid 521] close(22) = -1 EBADF (Bad file descriptor) [pid 521] close(23) = -1 EBADF (Bad file descriptor) [pid 521] close(24) = -1 EBADF (Bad file descriptor) [pid 521] close(25) = -1 EBADF (Bad file descriptor) [pid 521] close(26) = -1 EBADF (Bad file descriptor) [pid 521] close(27) = -1 EBADF (Bad file descriptor) [pid 521] close(28) = -1 EBADF (Bad file descriptor) [pid 521] close(29) = -1 EBADF (Bad file descriptor) [pid 521] exit_group(0 [pid 523] <... futex resumed>) = ? [pid 521] <... exit_group resumed>) = ? [pid 523] +++ exited with 0 +++ [pid 522] <... futex resumed>) = ? [pid 522] +++ exited with 0 +++ [pid 521] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=231, si_uid=0, si_status=0, si_utime=0, si_stime=10} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 234 ./strace-static-x86_64: Process 524 attached [pid 524] set_robust_list(0x5555721e9760, 24) = 0 [pid 524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 524] setpgid(0, 0) = 0 [pid 524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 524] write(3, "1000", 4) = 4 [pid 524] close(3) = 0 executing program [pid 524] write(1, "executing program\n", 18) = 18 [pid 524] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 524] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 524] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 524] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 525 attached => {parent_tid=[235]}, 88) = 235 [pid 524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 524] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 524] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 524] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 525] set_robust_list(0x7f087a8a99a0, 24 [pid 524] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} [pid 525] <... set_robust_list resumed>) = 0 [pid 524] <... clone3 resumed> => {parent_tid=[236]}, 88) = 236 [pid 524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 524] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 524] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 526 attached [pid 526] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 526] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 526] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 525] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 525] memfd_create("syzkaller", 0) = 4 [pid 525] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 525] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 525] munmap(0x7f0872468000, 138412032) = 0 [pid 525] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 525] ioctl(5, LOOP_SET_FD, 4 [pid 526] <... openat resumed>) = 3 [pid 526] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 524] <... futex resumed>) = 0 [pid 524] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 524] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 526] <... futex resumed>) = 1 [pid 526] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 526] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 524] <... futex resumed>) = 0 [pid 524] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 524] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 526] <... futex resumed>) = 1 [pid 526] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 526] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 526] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 524] <... futex resumed>) = 0 [pid 524] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 524] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 526] <... futex resumed>) = 1 [pid 526] creat(0x200000000040, 000 [pid 525] <... ioctl resumed>) = 0 [pid 525] close(4) = 0 [pid 525] close(5 [pid 526] <... creat resumed>) = 6 [pid 525] <... close resumed>) = 0 [pid 526] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 524] <... futex resumed>) = 0 [pid 524] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 524] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 526] <... futex resumed>) = 1 [pid 526] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 526] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 524] <... futex resumed>) = 0 [pid 524] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 524] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 526] <... futex resumed>) = 1 [pid 526] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 526] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 524] <... futex resumed>) = 0 [pid 524] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 524] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 526] <... futex resumed>) = 1 [pid 526] write(4, 0x200000000080, 34136651 [pid 525] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 525] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 525] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 525] ioctl(5, LOOP_CLR_FD) = 0 [pid 525] close(5) = 0 [pid 525] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 525] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 526] <... write resumed>) = 131072 [pid 526] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 524] <... futex resumed>) = 0 [pid 524] close(3) = 0 [pid 524] close(4) = 0 [pid 524] close(5) = -1 EBADF (Bad file descriptor) [pid 524] close(6) = 0 [pid 524] close(7) = -1 EBADF (Bad file descriptor) [pid 524] close(8) = -1 EBADF (Bad file descriptor) [pid 524] close(9) = -1 EBADF (Bad file descriptor) [pid 524] close(10) = -1 EBADF (Bad file descriptor) [pid 524] close(11) = -1 EBADF (Bad file descriptor) [pid 524] close(12) = -1 EBADF (Bad file descriptor) [pid 524] close(13) = -1 EBADF (Bad file descriptor) [pid 524] close(14) = -1 EBADF (Bad file descriptor) [pid 524] close(15) = -1 EBADF (Bad file descriptor) [pid 524] close(16) = -1 EBADF (Bad file descriptor) [pid 524] close(17) = -1 EBADF (Bad file descriptor) [pid 524] close(18) = -1 EBADF (Bad file descriptor) [pid 524] close(19) = -1 EBADF (Bad file descriptor) [pid 524] close(20) = -1 EBADF (Bad file descriptor) [pid 524] close(21) = -1 EBADF (Bad file descriptor) [pid 524] close(22) = -1 EBADF (Bad file descriptor) [pid 524] close(23) = -1 EBADF (Bad file descriptor) [pid 524] close(24) = -1 EBADF (Bad file descriptor) [pid 524] close(25) = -1 EBADF (Bad file descriptor) [pid 524] close(26) = -1 EBADF (Bad file descriptor) [pid 524] close(27) = -1 EBADF (Bad file descriptor) [pid 524] close(28) = -1 EBADF (Bad file descriptor) [pid 524] close(29) = -1 EBADF (Bad file descriptor) [pid 524] exit_group(0) = ? [pid 525] <... futex resumed>) = ? [pid 525] +++ exited with 0 +++ [pid 526] +++ exited with 0 +++ [pid 524] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 527 attached , child_tidptr=0x5555721e9750) = 237 [pid 527] set_robust_list(0x5555721e9760, 24) = 0 [pid 527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 527] setpgid(0, 0) = 0 [pid 527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 527] write(3, "1000", 4) = 4 [pid 527] close(3) = 0 [pid 527] write(1, "executing program\n", 18executing program ) = 18 [pid 527] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 527] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 527] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 527] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 527] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 527] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[238]}, 88) = 238 ./strace-static-x86_64: Process 528 attached [pid 527] rt_sigprocmask(SIG_SETMASK, [], [pid 528] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 528] rt_sigprocmask(SIG_SETMASK, [], [pid 527] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 527] <... futex resumed>) = 0 [pid 528] memfd_create("syzkaller", 0 [pid 527] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] <... memfd_create resumed>) = 3 [pid 527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 528] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 527] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE [pid 528] <... mmap resumed>) = 0x7f0872468000 [pid 527] <... mprotect resumed>) = 0 [pid 527] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 527] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0}./strace-static-x86_64: Process 529 attached => {parent_tid=[239]}, 88) = 239 [pid 529] set_robust_list(0x7f087a8889a0, 24 [pid 527] rt_sigprocmask(SIG_SETMASK, [], [pid 528] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 529] <... set_robust_list resumed>) = 0 [pid 527] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 529] rt_sigprocmask(SIG_SETMASK, [], [pid 527] <... futex resumed>) = 0 [pid 527] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 529] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 528] <... write resumed>) = 131072 [pid 528] munmap(0x7f0872468000, 138412032) = 0 [pid 528] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [ 39.122684][ T525] loop0: detected capacity change from 0 to 256 [pid 528] ioctl(5, LOOP_SET_FD, 3 [pid 529] <... openat resumed>) = 4 [pid 529] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 527] <... futex resumed>) = 0 [pid 529] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 527] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 527] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 528] <... ioctl resumed>) = 0 [pid 528] close(3) = 0 [pid 529] <... mmap resumed>) = 0x200000000000 [pid 529] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 527] <... futex resumed>) = 0 [pid 528] close(5 [pid 527] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 529] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 527] <... futex resumed>) = 0 [pid 527] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 528] <... close resumed>) = 0 [pid 528] mkdir(0x200000000240, 0777 [pid 529] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 528] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 529] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 529] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 528] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 529] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 528] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 527] <... futex resumed>) = 0 [pid 527] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 527] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 529] <... futex resumed>) = 0 [pid 529] creat(0x200000000040, 000 [pid 528] <... openat resumed>) = 3 [pid 528] ioctl(3, LOOP_CLR_FD [pid 529] <... creat resumed>) = 5 [pid 529] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 527] <... futex resumed>) = 0 [pid 527] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 527] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 529] <... futex resumed>) = 1 [pid 529] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 528] <... ioctl resumed>) = 0 [pid 528] close(3) = 0 [pid 528] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 529] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 527] <... futex resumed>) = 0 [pid 527] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 527] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 528] <... futex resumed>) = 0 [pid 528] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 3 [pid 529] <... futex resumed>) = 1 [pid 529] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 528] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 527] <... futex resumed>) = 0 [pid 527] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 527] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 528] <... futex resumed>) = 1 [pid 528] write(3, 0x200000000080, 34136651) = 131072 [pid 528] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 527] <... futex resumed>) = 0 [pid 528] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 527] close(3) = 0 [pid 527] close(4) = 0 [ 39.172462][ T528] loop0: detected capacity change from 0 to 256 [pid 527] close(5) = 0 [pid 527] close(6) = -1 EBADF (Bad file descriptor) [pid 527] close(7) = -1 EBADF (Bad file descriptor) [pid 527] close(8) = -1 EBADF (Bad file descriptor) [pid 527] close(9) = -1 EBADF (Bad file descriptor) [pid 527] close(10) = -1 EBADF (Bad file descriptor) [pid 527] close(11) = -1 EBADF (Bad file descriptor) [pid 527] close(12) = -1 EBADF (Bad file descriptor) [pid 527] close(13) = -1 EBADF (Bad file descriptor) [pid 527] close(14) = -1 EBADF (Bad file descriptor) [pid 527] close(15) = -1 EBADF (Bad file descriptor) [pid 527] close(16) = -1 EBADF (Bad file descriptor) [pid 527] close(17) = -1 EBADF (Bad file descriptor) [pid 527] close(18) = -1 EBADF (Bad file descriptor) [pid 527] close(19) = -1 EBADF (Bad file descriptor) [pid 527] close(20) = -1 EBADF (Bad file descriptor) [pid 527] close(21) = -1 EBADF (Bad file descriptor) [pid 527] close(22) = -1 EBADF (Bad file descriptor) [pid 527] close(23) = -1 EBADF (Bad file descriptor) [pid 527] close(24) = -1 EBADF (Bad file descriptor) [pid 527] close(25) = -1 EBADF (Bad file descriptor) [pid 527] close(26) = -1 EBADF (Bad file descriptor) [pid 527] close(27) = -1 EBADF (Bad file descriptor) [pid 527] close(28) = -1 EBADF (Bad file descriptor) [pid 527] close(29) = -1 EBADF (Bad file descriptor) [pid 527] exit_group(0) = ? [pid 529] <... futex resumed>) = ? [pid 529] +++ exited with 0 +++ [pid 528] <... futex resumed>) = ? [pid 528] +++ exited with 0 +++ [pid 527] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=237, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 240 ./strace-static-x86_64: Process 530 attached [pid 530] set_robust_list(0x5555721e9760, 24) = 0 [pid 530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 530] setpgid(0, 0) = 0 [pid 530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 530] write(3, "1000", 4) = 4 [pid 530] close(3) = 0 [pid 530] write(1, "executing program\n", 18executing program ) = 18 [pid 530] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 530] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 530] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 530] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 531 attached [pid 531] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 531] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 531] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 530] <... clone3 resumed> => {parent_tid=[241]}, 88) = 241 [pid 530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 530] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 531] <... futex resumed>) = 0 [pid 530] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 531] memfd_create("syzkaller", 0 [pid 530] <... futex resumed>) = 0 [pid 531] <... memfd_create resumed>) = 3 [pid 530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 531] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872489000 [pid 530] <... mmap resumed>) = 0x7f0872468000 [pid 530] mprotect(0x7f0872469000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 530] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0872488990, parent_tid=0x7f0872488990, exit_signal=0, stack=0x7f0872468000, stack_size=0x20240, tls=0x7f08724886c0}./strace-static-x86_64: Process 532 attached [pid 531] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 530] <... clone3 resumed> => {parent_tid=[242]}, 88) = 242 [pid 530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 530] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 530] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 532] set_robust_list(0x7f08724889a0, 24 [pid 531] <... write resumed>) = 131072 [pid 531] munmap(0x7f0872489000, 138412032 [pid 532] <... set_robust_list resumed>) = 0 [pid 531] <... munmap resumed>) = 0 [pid 532] rt_sigprocmask(SIG_SETMASK, [], [pid 531] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 531] <... openat resumed>) = 4 [pid 531] ioctl(4, LOOP_SET_FD, 3 [pid 532] openat(AT_FDCWD, "/selinux/policy", O_RDONLY) = 5 [pid 532] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 530] <... futex resumed>) = 0 [pid 530] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 530] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 532] <... futex resumed>) = 1 [pid 532] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 532] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 530] <... futex resumed>) = 0 [pid 532] <... futex resumed>) = 1 [pid 531] <... ioctl resumed>) = 0 [pid 530] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 530] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 532] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 532] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 532] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 531] close(3 [pid 532] <... futex resumed>) = 1 [pid 531] <... close resumed>) = 0 [pid 530] <... futex resumed>) = 0 [pid 530] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 530] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 532] creat(0x200000000040, 000 [pid 531] close(4) = 0 [pid 531] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 532] <... creat resumed>) = 3 [pid 531] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 532] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 530] <... futex resumed>) = 0 [pid 530] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 530] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 531] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 532] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 531] ioctl(4, LOOP_CLR_FD) = 0 [pid 531] close(4) = 0 [pid 531] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 532] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 531] <... futex resumed>) = 0 [pid 531] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 532] <... futex resumed>) = 1 [pid 530] <... futex resumed>) = 0 [pid 530] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 530] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 531] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 532] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 531] <... open resumed>) = 4 [pid 531] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 530] <... futex resumed>) = 0 [pid 531] write(4, 0x200000000080, 34136651 [pid 530] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 530] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 531] <... write resumed>) = 131072 [pid 531] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 530] <... futex resumed>) = 0 [pid 530] close(3 [pid 531] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 530] <... close resumed>) = 0 [pid 530] close(4) = 0 [pid 530] close(5) = 0 [pid 530] close(6) = -1 EBADF (Bad file descriptor) [pid 530] close(7) = -1 EBADF (Bad file descriptor) [pid 530] close(8) = -1 EBADF (Bad file descriptor) [pid 530] close(9) = -1 EBADF (Bad file descriptor) [pid 530] close(10) = -1 EBADF (Bad file descriptor) [pid 530] close(11) = -1 EBADF (Bad file descriptor) [pid 530] close(12) = -1 EBADF (Bad file descriptor) [pid 530] close(13) = -1 EBADF (Bad file descriptor) [pid 530] close(14) = -1 EBADF (Bad file descriptor) [pid 530] close(15) = -1 EBADF (Bad file descriptor) [pid 530] close(16) = -1 EBADF (Bad file descriptor) [pid 530] close(17) = -1 EBADF (Bad file descriptor) [pid 530] close(18) = -1 EBADF (Bad file descriptor) [pid 530] close(19) = -1 EBADF (Bad file descriptor) [pid 530] close(20) = -1 EBADF (Bad file descriptor) [pid 530] close(21) = -1 EBADF (Bad file descriptor) [pid 530] close(22) = -1 EBADF (Bad file descriptor) [pid 530] close(23) = -1 EBADF (Bad file descriptor) [pid 530] close(24) = -1 EBADF (Bad file descriptor) [pid 530] close(25) = -1 EBADF (Bad file descriptor) [pid 530] close(26) = -1 EBADF (Bad file descriptor) [pid 530] close(27) = -1 EBADF (Bad file descriptor) [pid 530] close(28) = -1 EBADF (Bad file descriptor) [pid 530] close(29) = -1 EBADF (Bad file descriptor) [pid 530] exit_group(0) = ? [pid 532] <... futex resumed>) = ? [pid 531] <... futex resumed>) = ? [pid 532] +++ exited with 0 +++ [pid 531] +++ exited with 0 +++ [pid 530] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 39.297494][ T531] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x5555721e9750) = 243 ./strace-static-x86_64: Process 533 attached [pid 533] set_robust_list(0x5555721e9760, 24) = 0 [pid 533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 533] setpgid(0, 0) = 0 [pid 533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 533] write(3, "1000", 4) = 4 [pid 533] close(3) = 0 [pid 533] write(1, "executing program\n", 18) = 18 [pid 533] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 533] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 533] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 533] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 534 attached => {parent_tid=[244]}, 88) = 244 [pid 533] rt_sigprocmask(SIG_SETMASK, [], [pid 534] set_robust_list(0x7f087a8a99a0, 24 [pid 533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 534] <... set_robust_list resumed>) = 0 [pid 533] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 534] rt_sigprocmask(SIG_SETMASK, [], [pid 533] <... futex resumed>) = 0 [pid 534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 533] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 533] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 534] memfd_create("syzkaller", 0 [pid 533] rt_sigprocmask(SIG_BLOCK, ~[], [pid 534] <... memfd_create resumed>) = 3 [pid 533] <... rt_sigprocmask resumed>[], 8) = 0 [pid 533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} [pid 534] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 533] <... clone3 resumed> => {parent_tid=[245]}, 88) = 245 [pid 534] <... mmap resumed>) = 0x7f0872468000 ./strace-static-x86_64: Process 535 attached [pid 533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 533] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 534] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 533] <... futex resumed>) = 0 [pid 533] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 535] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 535] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 535] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 534] <... write resumed>) = 131072 [pid 534] munmap(0x7f0872468000, 138412032) = 0 [pid 534] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 534] ioctl(5, LOOP_SET_FD, 3) = 0 [pid 534] close(3) = 0 [pid 534] close(5) = 0 [pid 534] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 534] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 535] <... openat resumed>) = 4 [pid 535] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 533] <... futex resumed>) = 0 [pid 533] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 533] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 535] <... futex resumed>) = 1 [pid 535] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 535] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 533] <... futex resumed>) = 0 [pid 533] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 533] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 535] <... futex resumed>) = 1 [pid 535] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 535] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 535] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 533] <... futex resumed>) = 0 [pid 533] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 533] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 535] <... futex resumed>) = 1 [pid 535] creat(0x200000000040, 000) = 3 [pid 535] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 533] <... futex resumed>) = 0 [pid 533] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 533] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 535] <... futex resumed>) = 1 [pid 535] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 535] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 533] <... futex resumed>) = 0 [pid 533] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 533] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 535] <... futex resumed>) = 1 [pid 535] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 535] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 533] <... futex resumed>) = 0 [pid 533] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 39.409293][ T534] loop0: detected capacity change from 0 to 256 [ 39.422262][ T534] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 39.434916][ T534] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [pid 533] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 535] <... futex resumed>) = 1 [pid 535] write(5, 0x200000000080, 34136651) = 131072 [pid 535] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 533] <... futex resumed>) = 0 [pid 535] <... futex resumed>) = 1 [pid 535] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 534] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 534] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 534] ioctl(6, LOOP_CLR_FD) = 0 [pid 534] close(6) = 0 [pid 534] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 534] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 533] close(3) = 0 [pid 533] close(4) = 0 [pid 533] close(5) = 0 [pid 533] close(6) = -1 EBADF (Bad file descriptor) [pid 533] close(7) = -1 EBADF (Bad file descriptor) [pid 533] close(8) = -1 EBADF (Bad file descriptor) [pid 533] close(9) = -1 EBADF (Bad file descriptor) [pid 533] close(10) = -1 EBADF (Bad file descriptor) [pid 533] close(11) = -1 EBADF (Bad file descriptor) [pid 533] close(12) = -1 EBADF (Bad file descriptor) [pid 533] close(13) = -1 EBADF (Bad file descriptor) [pid 533] close(14) = -1 EBADF (Bad file descriptor) [pid 533] close(15) = -1 EBADF (Bad file descriptor) [pid 533] close(16) = -1 EBADF (Bad file descriptor) [pid 533] close(17) = -1 EBADF (Bad file descriptor) [pid 533] close(18) = -1 EBADF (Bad file descriptor) [pid 533] close(19) = -1 EBADF (Bad file descriptor) [pid 533] close(20) = -1 EBADF (Bad file descriptor) [pid 533] close(21) = -1 EBADF (Bad file descriptor) [pid 533] close(22) = -1 EBADF (Bad file descriptor) [pid 533] close(23) = -1 EBADF (Bad file descriptor) [pid 533] close(24) = -1 EBADF (Bad file descriptor) [pid 533] close(25) = -1 EBADF (Bad file descriptor) [pid 533] close(26) = -1 EBADF (Bad file descriptor) [pid 533] close(27) = -1 EBADF (Bad file descriptor) [pid 533] close(28) = -1 EBADF (Bad file descriptor) [pid 533] close(29) = -1 EBADF (Bad file descriptor) [pid 533] exit_group(0) = ? [pid 535] <... futex resumed>) = ? [pid 535] +++ exited with 0 +++ [pid 534] <... futex resumed>) = ? [pid 534] +++ exited with 0 +++ [pid 533] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=243, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- [ 39.447113][ T534] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d) [ 39.462050][ T534] exFAT-fs (loop0): failed to load alloc-bitmap [ 39.469799][ T534] exFAT-fs (loop0): failed to recognize exfat type [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 246 ./strace-static-x86_64: Process 536 attached [pid 536] set_robust_list(0x5555721e9760, 24) = 0 [pid 536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 536] setpgid(0, 0) = 0 [pid 536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 536] write(3, "1000", 4) = 4 [pid 536] close(3) = 0 [pid 536] write(1, "executing program\n", 18executing program ) = 18 [pid 536] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 536] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 536] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 537 attached [pid 537] set_robust_list(0x7f087a8a99a0, 24 [pid 536] <... clone3 resumed> => {parent_tid=[247]}, 88) = 247 [pid 537] <... set_robust_list resumed>) = 0 [pid 536] rt_sigprocmask(SIG_SETMASK, [], [pid 537] rt_sigprocmask(SIG_SETMASK, [], [pid 536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 536] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 537] memfd_create("syzkaller", 0 [pid 536] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 537] <... memfd_create resumed>) = 3 [pid 536] <... futex resumed>) = 0 [pid 537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872489000 [pid 536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0872468000 [pid 536] mprotect(0x7f0872469000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0872488990, parent_tid=0x7f0872488990, exit_signal=0, stack=0x7f0872468000, stack_size=0x20240, tls=0x7f08724886c0}./strace-static-x86_64: Process 538 attached => {parent_tid=[248]}, 88) = 248 [pid 538] set_robust_list(0x7f08724889a0, 24 [pid 536] rt_sigprocmask(SIG_SETMASK, [], [pid 537] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 538] <... set_robust_list resumed>) = 0 [pid 536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 538] rt_sigprocmask(SIG_SETMASK, [], [pid 536] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 536] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 538] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 537] <... write resumed>) = 131072 [pid 537] munmap(0x7f0872489000, 138412032) = 0 [pid 537] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 537] ioctl(5, LOOP_SET_FD, 3 [pid 538] <... openat resumed>) = 4 [pid 538] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 536] <... futex resumed>) = 0 [pid 538] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 536] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 537] <... ioctl resumed>) = 0 [pid 537] close(3) = 0 [pid 537] close(5 [pid 538] <... mmap resumed>) = 0x200000000000 [pid 536] <... futex resumed>) = 0 [pid 536] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 538] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 536] <... futex resumed>) = 0 [pid 538] <... futex resumed>) = 1 [pid 536] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 538] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 536] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 538] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 538] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 536] <... futex resumed>) = 0 [pid 538] <... futex resumed>) = 1 [pid 536] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 538] creat(0x200000000040, 000 [pid 536] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 538] <... creat resumed>) = 3 [pid 537] <... close resumed>) = 0 [pid 538] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 537] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 537] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 536] <... futex resumed>) = 0 [pid 537] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 536] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 538] <... futex resumed>) = 1 [pid 537] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 537] ioctl(5, LOOP_CLR_FD [pid 538] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 536] <... futex resumed>) = 0 [pid 537] <... ioctl resumed>) = 0 [pid 536] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 537] close(5) = 0 [pid 537] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 537] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 538] <... mount resumed>) = 0 [pid 538] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 536] <... futex resumed>) = 0 [pid 536] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 536] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 537] <... futex resumed>) = 0 [pid 537] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 538] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 537] <... open resumed>) = 5 [pid 537] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 536] <... futex resumed>) = 0 [pid 536] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 536] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 537] <... futex resumed>) = 1 [pid 537] write(5, 0x200000000080, 34136651) = 131072 [pid 537] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 536] <... futex resumed>) = 0 [pid 536] close(3) = 0 [pid 536] close(4) = 0 [pid 536] close(5) = 0 [pid 536] close(6) = -1 EBADF (Bad file descriptor) [pid 536] close(7) = -1 EBADF (Bad file descriptor) [pid 536] close(8) = -1 EBADF (Bad file descriptor) [pid 536] close(9) = -1 EBADF (Bad file descriptor) [pid 536] close(10) = -1 EBADF (Bad file descriptor) [pid 536] close(11) = -1 EBADF (Bad file descriptor) [pid 536] close(12) = -1 EBADF (Bad file descriptor) [pid 536] close(13) = -1 EBADF (Bad file descriptor) [pid 536] close(14) = -1 EBADF (Bad file descriptor) [pid 536] close(15) = -1 EBADF (Bad file descriptor) [pid 536] close(16) = -1 EBADF (Bad file descriptor) [pid 536] close(17) = -1 EBADF (Bad file descriptor) [pid 536] close(18) = -1 EBADF (Bad file descriptor) [pid 536] close(19) = -1 EBADF (Bad file descriptor) [pid 536] close(20) = -1 EBADF (Bad file descriptor) [pid 536] close(21) = -1 EBADF (Bad file descriptor) [pid 536] close(22) = -1 EBADF (Bad file descriptor) [pid 536] close(23) = -1 EBADF (Bad file descriptor) [pid 536] close(24) = -1 EBADF (Bad file descriptor) [pid 536] close(25) = -1 EBADF (Bad file descriptor) [pid 536] close(26) = -1 EBADF (Bad file descriptor) [pid 536] close(27) = -1 EBADF (Bad file descriptor) [pid 536] close(28) = -1 EBADF (Bad file descriptor) [pid 536] close(29) = -1 EBADF (Bad file descriptor) [pid 536] exit_group(0) = ? [pid 538] <... futex resumed>) = ? [pid 538] +++ exited with 0 +++ [pid 537] <... futex resumed>) = ? [pid 537] +++ exited with 0 +++ [pid 536] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 249 ./strace-static-x86_64: Process 539 attached [pid 539] set_robust_list(0x5555721e9760, 24) = 0 [pid 539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 539] setpgid(0, 0) = 0 [pid 539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 539] write(3, "1000", 4) = 4 [pid 539] close(3) = 0 [pid 539] write(1, "executing program\n", 18executing program ) = 18 [pid 539] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 39.531050][ T537] loop0: detected capacity change from 0 to 256 [pid 539] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 539] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 539] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 539] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[250]}, 88) = 250 [pid 539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 539] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 539] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 539] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 539] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[251]}, 88) = 251 [pid 539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 539] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 539] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 540 attached [pid 540] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 540] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 541 attached NULL, 8) = 0 [pid 541] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 540] memfd_create("syzkaller", 0) = 3 [pid 540] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 541] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 540] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 540] munmap(0x7f0872468000, 138412032) = 0 [pid 540] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 540] ioctl(5, LOOP_SET_FD, 3 [pid 541] <... openat resumed>) = 4 [pid 541] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 539] <... futex resumed>) = 0 [pid 539] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 539] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 541] <... futex resumed>) = 1 [pid 541] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 541] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 539] <... futex resumed>) = 0 [pid 539] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 539] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 541] <... futex resumed>) = 1 [pid 541] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 541] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 541] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 539] <... futex resumed>) = 0 [pid 539] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 539] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 541] <... futex resumed>) = 1 [pid 541] creat(0x200000000040, 000 [pid 540] <... ioctl resumed>) = 0 [pid 541] <... creat resumed>) = 6 [pid 541] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 539] <... futex resumed>) = 0 [pid 539] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 539] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 540] close(3 [pid 541] <... futex resumed>) = 1 [pid 540] <... close resumed>) = 0 [pid 541] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 540] close(5 [pid 541] <... mount resumed>) = 0 [pid 540] <... close resumed>) = 0 [pid 540] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 540] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 541] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 539] <... futex resumed>) = 0 [pid 539] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 539] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 540] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 541] <... futex resumed>) = 1 [pid 541] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 540] <... openat resumed>) = 3 [pid 541] <... open resumed>) = 5 [pid 540] ioctl(3, LOOP_CLR_FD) = 0 [pid 541] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] close(3 [pid 539] <... futex resumed>) = 0 [pid 539] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 539] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 540] <... close resumed>) = 0 [pid 541] <... futex resumed>) = 1 [pid 540] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 540] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 541] write(5, 0x200000000080, 34136651) = 131072 [pid 541] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 539] <... futex resumed>) = 0 [pid 539] close(3) = -1 EBADF (Bad file descriptor) [pid 539] close(4) = 0 [pid 539] close(5) = 0 [pid 539] close(6 [pid 541] <... futex resumed>) = 1 [ 39.603405][ T540] loop0: detected capacity change from 0 to 256 [pid 541] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 539] <... close resumed>) = 0 [pid 539] close(7) = -1 EBADF (Bad file descriptor) [pid 539] close(8) = -1 EBADF (Bad file descriptor) [pid 539] close(9) = -1 EBADF (Bad file descriptor) [pid 539] close(10) = -1 EBADF (Bad file descriptor) [pid 539] close(11) = -1 EBADF (Bad file descriptor) [pid 539] close(12) = -1 EBADF (Bad file descriptor) [pid 539] close(13) = -1 EBADF (Bad file descriptor) [pid 539] close(14) = -1 EBADF (Bad file descriptor) [pid 539] close(15) = -1 EBADF (Bad file descriptor) [pid 539] close(16) = -1 EBADF (Bad file descriptor) [pid 539] close(17) = -1 EBADF (Bad file descriptor) [pid 539] close(18) = -1 EBADF (Bad file descriptor) [pid 539] close(19) = -1 EBADF (Bad file descriptor) [pid 539] close(20) = -1 EBADF (Bad file descriptor) [pid 539] close(21) = -1 EBADF (Bad file descriptor) [pid 539] close(22) = -1 EBADF (Bad file descriptor) [pid 539] close(23) = -1 EBADF (Bad file descriptor) [pid 539] close(24) = -1 EBADF (Bad file descriptor) [pid 539] close(25) = -1 EBADF (Bad file descriptor) [pid 539] close(26) = -1 EBADF (Bad file descriptor) [pid 539] close(27) = -1 EBADF (Bad file descriptor) [pid 539] close(28) = -1 EBADF (Bad file descriptor) [pid 539] close(29) = -1 EBADF (Bad file descriptor) [pid 539] exit_group(0) = ? [pid 540] <... futex resumed>) = ? [pid 540] +++ exited with 0 +++ [pid 541] <... futex resumed>) = ? [pid 541] +++ exited with 0 +++ [pid 539] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=249, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x5555721e9750) = 252 ./strace-static-x86_64: Process 542 attached [pid 542] set_robust_list(0x5555721e9760, 24) = 0 [pid 542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 542] setpgid(0, 0) = 0 [pid 542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 542] write(3, "1000", 4) = 4 [pid 542] close(3) = 0 [pid 542] write(1, "executing program\n", 18) = 18 [pid 542] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 542] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 542] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 542] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 543 attached => {parent_tid=[253]}, 88) = 253 [pid 542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 542] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 542] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 542] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 542] rt_sigprocmask(SIG_BLOCK, ~[], [pid 543] set_robust_list(0x7f087a8a99a0, 24 [pid 542] <... rt_sigprocmask resumed>[], 8) = 0 [pid 542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} [pid 543] <... set_robust_list resumed>) = 0 [pid 542] <... clone3 resumed> => {parent_tid=[254]}, 88) = 254 ./strace-static-x86_64: Process 544 attached [pid 542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 542] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 542] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 543] rt_sigprocmask(SIG_SETMASK, [], [pid 544] set_robust_list(0x7f087a8889a0, 24 [pid 543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 543] memfd_create("syzkaller", 0) = 3 [pid 544] <... set_robust_list resumed>) = 0 [pid 543] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 544] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 544] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 543] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 543] munmap(0x7f0872468000, 138412032) = 0 [pid 543] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 543] ioctl(5, LOOP_SET_FD, 3 [pid 544] <... openat resumed>) = 4 [pid 544] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 543] <... ioctl resumed>) = 0 [pid 543] close(3) = 0 [pid 543] close(5 [pid 544] <... futex resumed>) = 1 [pid 543] <... close resumed>) = 0 [pid 542] <... futex resumed>) = 0 [pid 542] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 542] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 544] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 543] mkdir("./file0", 0777 [pid 544] <... mmap resumed>) = 0x200000000000 [pid 543] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 543] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 544] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 542] <... futex resumed>) = 0 [pid 542] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 542] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 543] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 544] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 543] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 544] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 542] <... futex resumed>) = 0 [pid 542] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 542] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 544] creat(0x200000000040, 000 [pid 543] <... openat resumed>) = 3 [ 39.697264][ T543] loop0: detected capacity change from 0 to 256 [pid 543] ioctl(3, LOOP_CLR_FD [pid 542] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 542] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 542] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a847000 [pid 542] mprotect(0x7f087a848000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 542] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a867990, parent_tid=0x7f087a867990, exit_signal=0, stack=0x7f087a847000, stack_size=0x20240, tls=0x7f087a8676c0} => {parent_tid=[255]}, 88) = 255 [pid 542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 542] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 542] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 545 attached [pid 545] set_robust_list(0x7f087a8679a0, 24) = 0 [pid 545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 545] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 545] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000 [pid 542] <... futex resumed>) = 0 [pid 542] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 542] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 545] <... futex resumed>) = 1 [pid 545] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 544] <... creat resumed>) = 5 [pid 543] <... ioctl resumed>) = 0 [pid 545] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 542] <... futex resumed>) = 0 [pid 542] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 542] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 545] write(6, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 545] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 542] <... futex resumed>) = 0 [pid 545] futex(0x7f087a976628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 544] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 544] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 543] close(3) = 0 [pid 543] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 543] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 542] close(3) = -1 EBADF (Bad file descriptor) [pid 542] close(4) = 0 [pid 542] close(5) = 0 [pid 542] close(6) = 0 [pid 542] close(7) = -1 EBADF (Bad file descriptor) [pid 542] close(8) = -1 EBADF (Bad file descriptor) [pid 542] close(9) = -1 EBADF (Bad file descriptor) [pid 542] close(10) = -1 EBADF (Bad file descriptor) [pid 542] close(11) = -1 EBADF (Bad file descriptor) [pid 542] close(12) = -1 EBADF (Bad file descriptor) [pid 542] close(13) = -1 EBADF (Bad file descriptor) [pid 542] close(14) = -1 EBADF (Bad file descriptor) [pid 542] close(15) = -1 EBADF (Bad file descriptor) [pid 542] close(16) = -1 EBADF (Bad file descriptor) [pid 542] close(17) = -1 EBADF (Bad file descriptor) [pid 542] close(18) = -1 EBADF (Bad file descriptor) [pid 542] close(19) = -1 EBADF (Bad file descriptor) [pid 542] close(20) = -1 EBADF (Bad file descriptor) [pid 542] close(21) = -1 EBADF (Bad file descriptor) [pid 542] close(22) = -1 EBADF (Bad file descriptor) [pid 542] close(23) = -1 EBADF (Bad file descriptor) [pid 542] close(24) = -1 EBADF (Bad file descriptor) [pid 542] close(25) = -1 EBADF (Bad file descriptor) [pid 542] close(26) = -1 EBADF (Bad file descriptor) [pid 542] close(27) = -1 EBADF (Bad file descriptor) [pid 542] close(28) = -1 EBADF (Bad file descriptor) [pid 542] close(29) = -1 EBADF (Bad file descriptor) [pid 542] exit_group(0) = ? [pid 543] <... futex resumed>) = ? [pid 543] +++ exited with 0 +++ [pid 544] <... futex resumed>) = ? [pid 544] +++ exited with 0 +++ [pid 545] <... futex resumed>) = ? [pid 545] +++ exited with 0 +++ [pid 542] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 256 ./strace-static-x86_64: Process 546 attached [pid 546] set_robust_list(0x5555721e9760, 24) = 0 [pid 546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 546] setpgid(0, 0) = 0 [pid 546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 546] write(3, "1000", 4) = 4 [pid 546] close(3executing program ) = 0 [pid 546] write(1, "executing program\n", 18) = 18 [pid 546] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 546] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 546] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 546] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 546] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[257]}, 88) = 257 [pid 546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 546] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 546] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 546] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 546] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[258]}, 88) = 258 [pid 546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 546] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 546] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 548 attached [pid 548] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 548] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 547 attached [pid 547] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 547] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 547] memfd_create("syzkaller", 0) = 4 [pid 547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 547] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 547] munmap(0x7f0872468000, 138412032) = 0 [pid 547] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 547] ioctl(5, LOOP_SET_FD, 4 [pid 548] <... openat resumed>) = 3 [pid 548] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 548] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 546] <... futex resumed>) = 0 [pid 546] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 546] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 548] <... futex resumed>) = 0 [pid 548] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 548] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 547] <... ioctl resumed>) = 0 [pid 546] <... futex resumed>) = 0 [pid 546] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 546] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 548] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 548] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 548] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 546] <... futex resumed>) = 0 [pid 546] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 546] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 548] <... futex resumed>) = 1 [pid 548] creat(0x200000000040, 000) = 6 [pid 548] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 546] <... futex resumed>) = 0 [pid 546] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 546] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 548] <... futex resumed>) = 1 [pid 548] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 548] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 546] <... futex resumed>) = 0 [pid 546] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 546] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 548] <... futex resumed>) = 1 [pid 548] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 548] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 546] <... futex resumed>) = 0 [pid 546] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 546] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 548] <... futex resumed>) = 1 [pid 548] write(7, 0x200000000080, 34136651 [pid 547] close(4) = 0 [pid 547] close(5 [pid 548] <... write resumed>) = 131072 [pid 547] <... close resumed>) = 0 [pid 548] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 546] <... futex resumed>) = 0 [pid 547] mkdir(0x200000000240, 0777 [pid 548] <... futex resumed>) = 1 [pid 548] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 547] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 547] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 547] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 547] ioctl(4, LOOP_CLR_FD) = 0 [pid 547] close(4) = 0 [pid 547] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 547] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 546] close(3) = 0 [pid 546] close(4) = -1 EBADF (Bad file descriptor) [pid 546] close(5) = -1 EBADF (Bad file descriptor) [pid 546] close(6) = 0 [ 39.834234][ T547] loop0: detected capacity change from 0 to 256 [pid 546] close(7) = 0 [pid 546] close(8) = -1 EBADF (Bad file descriptor) [pid 546] close(9) = -1 EBADF (Bad file descriptor) [pid 546] close(10) = -1 EBADF (Bad file descriptor) [pid 546] close(11) = -1 EBADF (Bad file descriptor) [pid 546] close(12) = -1 EBADF (Bad file descriptor) [pid 546] close(13) = -1 EBADF (Bad file descriptor) [pid 546] close(14) = -1 EBADF (Bad file descriptor) [pid 546] close(15) = -1 EBADF (Bad file descriptor) [pid 546] close(16) = -1 EBADF (Bad file descriptor) [pid 546] close(17) = -1 EBADF (Bad file descriptor) [pid 546] close(18) = -1 EBADF (Bad file descriptor) [pid 546] close(19) = -1 EBADF (Bad file descriptor) [pid 546] close(20) = -1 EBADF (Bad file descriptor) [pid 546] close(21) = -1 EBADF (Bad file descriptor) [pid 546] close(22) = -1 EBADF (Bad file descriptor) [pid 546] close(23) = -1 EBADF (Bad file descriptor) [pid 546] close(24) = -1 EBADF (Bad file descriptor) [pid 546] close(25) = -1 EBADF (Bad file descriptor) [pid 546] close(26) = -1 EBADF (Bad file descriptor) [pid 546] close(27) = -1 EBADF (Bad file descriptor) [pid 546] close(28) = -1 EBADF (Bad file descriptor) [pid 546] close(29) = -1 EBADF (Bad file descriptor) [pid 546] exit_group(0) = ? [pid 548] <... futex resumed>) = ? [pid 547] <... futex resumed>) = 231 [pid 548] +++ exited with 0 +++ [pid 547] +++ exited with 0 +++ [pid 546] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=256, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 259 ./strace-static-x86_64: Process 549 attached [pid 549] set_robust_list(0x5555721e9760, 24) = 0 [pid 549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 549] setpgid(0, 0) = 0 [pid 549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 549] write(3, "1000", 4) = 4 [pid 549] close(3) = 0 [pid 549] write(1, "executing program\n", 18) = 18 [pid 549] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 549] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 549] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 549] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[260]}, 88) = 260 [pid 549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 549] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 549] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 549] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[261]}, 88) = 261 [pid 549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 549] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 551 attached [pid 551] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 551] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 550 attached [pid 550] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 550] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 550] memfd_create("syzkaller", 0) = 4 [pid 550] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 550] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 550] munmap(0x7f0872468000, 138412032) = 0 [pid 551] <... openat resumed>) = 3 [pid 550] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 551] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 549] <... futex resumed>) = 0 [pid 549] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... futex resumed>) = 1 [pid 551] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 551] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 549] <... futex resumed>) = 0 [pid 549] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... futex resumed>) = 1 [pid 551] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 551] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 551] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 549] <... futex resumed>) = 0 [pid 549] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... futex resumed>) = 1 [pid 551] creat(0x200000000040, 000) = 5 [pid 551] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 549] <... futex resumed>) = 0 [pid 549] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... futex resumed>) = 1 [pid 551] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 551] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 549] <... futex resumed>) = 0 [pid 549] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... futex resumed>) = 1 [pid 551] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 551] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 549] <... futex resumed>) = 0 [pid 549] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... futex resumed>) = 1 [pid 551] write(6, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 551] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 549] <... futex resumed>) = 0 [pid 551] <... futex resumed>) = 1 [pid 551] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 550] <... openat resumed>) = 7 [pid 550] ioctl(7, LOOP_SET_FD, 4) = 0 [pid 550] close(4) = 0 [pid 550] close(7) = 0 [pid 550] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 550] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 550] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 550] ioctl(4, LOOP_CLR_FD) = 0 [pid 550] close(4) = 0 [pid 550] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 549] close(3) = 0 [pid 549] close(4) = -1 EBADF (Bad file descriptor) [pid 549] close(5) = 0 [pid 549] close(6) = 0 [pid 549] close(7) = -1 EBADF (Bad file descriptor) [pid 549] close(8) = -1 EBADF (Bad file descriptor) [pid 549] close(9) = -1 EBADF (Bad file descriptor) [pid 549] close(10) = -1 EBADF (Bad file descriptor) [pid 549] close(11) = -1 EBADF (Bad file descriptor) [pid 549] close(12) = -1 EBADF (Bad file descriptor) [pid 549] close(13) = -1 EBADF (Bad file descriptor) [pid 549] close(14) = -1 EBADF (Bad file descriptor) [pid 549] close(15) = -1 EBADF (Bad file descriptor) [pid 549] close(16) = -1 EBADF (Bad file descriptor) [pid 549] close(17) = -1 EBADF (Bad file descriptor) [pid 549] close(18) = -1 EBADF (Bad file descriptor) [pid 549] close(19 [pid 550] <... futex resumed>) = 0 [pid 549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 549] close(20) = -1 EBADF (Bad file descriptor) [pid 549] close(21) = -1 EBADF (Bad file descriptor) [pid 550] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 549] close(22) = -1 EBADF (Bad file descriptor) [pid 549] close(23) = -1 EBADF (Bad file descriptor) [pid 549] close(24) = -1 EBADF (Bad file descriptor) [pid 549] close(25) = -1 EBADF (Bad file descriptor) [pid 549] close(26) = -1 EBADF (Bad file descriptor) [pid 549] close(27) = -1 EBADF (Bad file descriptor) [pid 549] close(28) = -1 EBADF (Bad file descriptor) [pid 549] close(29) = -1 EBADF (Bad file descriptor) [pid 549] exit_group(0) = ? [pid 551] <... futex resumed>) = ? [pid 551] +++ exited with 0 +++ [pid 550] <... futex resumed>) = ? [pid 550] +++ exited with 0 +++ [pid 549] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=259, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 262 ./strace-static-x86_64: Process 552 attached [pid 552] set_robust_list(0x5555721e9760, 24) = 0 [pid 552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 552] setpgid(0, 0) = 0 [pid 552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 552] write(3, "1000", 4) = 4 [pid 552] close(3) = 0 [pid 552] write(1, "executing program\n", 18executing program ) = 18 [pid 552] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 552] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 552] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 552] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 553 attached => {parent_tid=[263]}, 88) = 263 [pid 553] set_robust_list(0x7f087a8a99a0, 24 [pid 552] rt_sigprocmask(SIG_SETMASK, [], [pid 553] <... set_robust_list resumed>) = 0 [pid 552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 552] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] rt_sigprocmask(SIG_SETMASK, [], [pid 552] <... futex resumed>) = 0 [pid 553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 552] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] memfd_create("syzkaller", 0 [pid 552] <... futex resumed>) = 0 [pid 552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 552] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 552] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0}./strace-static-x86_64: Process 554 attached => {parent_tid=[264]}, 88) = 264 [pid 554] set_robust_list(0x7f087a8889a0, 24 [pid 552] rt_sigprocmask(SIG_SETMASK, [], [pid 554] <... set_robust_list resumed>) = 0 [pid 552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 554] rt_sigprocmask(SIG_SETMASK, [], [pid 552] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 554] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 552] <... futex resumed>) = 0 [pid 552] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] <... memfd_create resumed>) = 4 [pid 553] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 553] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 553] munmap(0x7f0872468000, 138412032) = 0 [pid 553] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [ 39.934429][ T550] loop0: detected capacity change from 0 to 256 [pid 553] ioctl(5, LOOP_SET_FD, 4 [pid 554] <... openat resumed>) = 3 [pid 554] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 554] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 552] <... futex resumed>) = 0 [pid 552] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 554] <... futex resumed>) = 0 [pid 554] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 552] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] <... ioctl resumed>) = 0 [pid 553] close(4) = 0 [pid 553] close(5 [pid 554] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 554] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 552] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 552] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... futex resumed>) = 0 [pid 554] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 554] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 554] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... futex resumed>) = 0 [pid 552] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... futex resumed>) = 1 [pid 554] creat(0x200000000040, 000 [pid 553] <... close resumed>) = 0 [pid 553] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 553] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 553] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 553] ioctl(5, LOOP_CLR_FD) = 0 [pid 553] close(5) = 0 [pid 553] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 553] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 554] <... creat resumed>) = 4 [pid 554] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 552] <... futex resumed>) = 0 [pid 554] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 552] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... futex resumed>) = 0 [pid 552] <... futex resumed>) = 1 [pid 553] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 552] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] <... mount resumed>) = 0 [pid 553] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 552] <... futex resumed>) = 0 [pid 552] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 553] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 552] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] <... open resumed>) = 5 [pid 553] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 552] <... futex resumed>) = 0 [pid 553] write(5, 0x200000000080, 34136651 [pid 552] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] <... write resumed>) = 131072 [pid 553] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 552] <... futex resumed>) = 0 [pid 552] close(3) = 0 [pid 552] close(4) = 0 [pid 552] close(5) = 0 [pid 552] close(6) = -1 EBADF (Bad file descriptor) [pid 552] close(7) = -1 EBADF (Bad file descriptor) [pid 552] close(8) = -1 EBADF (Bad file descriptor) [pid 552] close(9) = -1 EBADF (Bad file descriptor) [pid 552] close(10) = -1 EBADF (Bad file descriptor) [pid 553] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 552] close(11) = -1 EBADF (Bad file descriptor) [pid 552] close(12) = -1 EBADF (Bad file descriptor) [pid 552] close(13) = -1 EBADF (Bad file descriptor) [pid 552] close(14) = -1 EBADF (Bad file descriptor) [pid 552] close(15) = -1 EBADF (Bad file descriptor) [pid 552] close(16) = -1 EBADF (Bad file descriptor) [pid 552] close(17) = -1 EBADF (Bad file descriptor) [pid 552] close(18) = -1 EBADF (Bad file descriptor) [pid 552] close(19) = -1 EBADF (Bad file descriptor) [pid 552] close(20) = -1 EBADF (Bad file descriptor) [pid 552] close(21) = -1 EBADF (Bad file descriptor) [pid 552] close(22) = -1 EBADF (Bad file descriptor) [pid 552] close(23) = -1 EBADF (Bad file descriptor) [pid 552] close(24) = -1 EBADF (Bad file descriptor) [pid 552] close(25) = -1 EBADF (Bad file descriptor) [pid 552] close(26) = -1 EBADF (Bad file descriptor) [pid 552] close(27) = -1 EBADF (Bad file descriptor) [pid 552] close(28) = -1 EBADF (Bad file descriptor) [pid 552] close(29) = -1 EBADF (Bad file descriptor) [pid 552] exit_group(0) = ? [pid 553] <... futex resumed>) = ? [pid 554] <... futex resumed>) = ? [pid 554] +++ exited with 0 +++ [pid 553] +++ exited with 0 +++ [pid 552] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 39.986637][ T553] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 555 attached , child_tidptr=0x5555721e9750) = 265 [pid 555] set_robust_list(0x5555721e9760, 24) = 0 [pid 555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 555] setpgid(0, 0) = 0 [pid 555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 555] write(3, "1000", 4) = 4 [pid 555] close(3) = 0 [pid 555] write(1, "executing program\n", 18) = 18 [pid 555] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 555] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 555] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 555] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[266]}, 88) = 266 [pid 555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 555] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 555] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 555] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[267]}, 88) = 267 [pid 555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 555] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 557 attached [pid 557] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 557] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 557] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 556 attached [pid 556] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 556] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 556] memfd_create("syzkaller", 0) = 4 [pid 556] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 556] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 556] munmap(0x7f0872468000, 138412032) = 0 [pid 556] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 556] ioctl(5, LOOP_SET_FD, 4) = 0 [pid 556] close(4) = 0 [pid 556] close(5) = 0 [pid 556] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 556] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 557] <... openat resumed>) = 3 [pid 557] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... futex resumed>) = 0 [pid 555] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 557] <... futex resumed>) = 1 [pid 557] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 557] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... futex resumed>) = 0 [pid 555] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 557] <... futex resumed>) = 1 [pid 557] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 557] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 557] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... futex resumed>) = 0 [pid 555] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 557] <... futex resumed>) = 1 [pid 557] creat(0x200000000040, 000) = 4 [pid 557] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... futex resumed>) = 0 [pid 555] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 557] <... futex resumed>) = 1 [pid 557] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 557] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... futex resumed>) = 0 [pid 555] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 557] <... futex resumed>) = 1 [pid 557] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 557] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... futex resumed>) = 0 [pid 555] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 557] <... futex resumed>) = 1 [pid 557] write(5, 0x200000000080, 34136651) = 131072 [pid 557] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 557] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 555] <... futex resumed>) = 0 [ 40.129617][ T556] loop0: detected capacity change from 0 to 256 [ 40.139991][ T556] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 40.163045][ T556] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [pid 556] <... mount resumed>) = -1 EIO (Input/output error) [pid 556] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 556] ioctl(6, LOOP_CLR_FD) = 0 [pid 556] close(6) = 0 [pid 556] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 556] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 555] close(3) = 0 [pid 555] close(4) = 0 [ 40.173169][ T556] exFAT-fs (loop0): unable to set blocksize 33554432 [ 40.181551][ T556] exFAT-fs (loop0): failed to read boot sector [ 40.189709][ T556] exFAT-fs (loop0): failed to recognize exfat type [pid 555] close(5) = 0 [pid 555] close(6) = -1 EBADF (Bad file descriptor) [pid 555] close(7) = -1 EBADF (Bad file descriptor) [pid 555] close(8) = -1 EBADF (Bad file descriptor) [pid 555] close(9) = -1 EBADF (Bad file descriptor) [pid 555] close(10) = -1 EBADF (Bad file descriptor) [pid 555] close(11) = -1 EBADF (Bad file descriptor) [pid 555] close(12) = -1 EBADF (Bad file descriptor) [pid 555] close(13) = -1 EBADF (Bad file descriptor) [pid 555] close(14) = -1 EBADF (Bad file descriptor) [pid 555] close(15) = -1 EBADF (Bad file descriptor) [pid 555] close(16) = -1 EBADF (Bad file descriptor) [pid 555] close(17) = -1 EBADF (Bad file descriptor) [pid 555] close(18) = -1 EBADF (Bad file descriptor) [pid 555] close(19) = -1 EBADF (Bad file descriptor) [pid 555] close(20) = -1 EBADF (Bad file descriptor) [pid 555] close(21) = -1 EBADF (Bad file descriptor) [pid 555] close(22) = -1 EBADF (Bad file descriptor) [pid 555] close(23) = -1 EBADF (Bad file descriptor) [pid 555] close(24) = -1 EBADF (Bad file descriptor) [pid 555] close(25) = -1 EBADF (Bad file descriptor) [pid 555] close(26) = -1 EBADF (Bad file descriptor) [pid 555] close(27) = -1 EBADF (Bad file descriptor) [pid 555] close(28) = -1 EBADF (Bad file descriptor) [pid 555] close(29) = -1 EBADF (Bad file descriptor) [pid 555] exit_group(0 [pid 557] <... futex resumed>) = ? [pid 555] <... exit_group resumed>) = ? [pid 557] +++ exited with 0 +++ [pid 556] <... futex resumed>) = ? [pid 556] +++ exited with 0 +++ [pid 555] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=265, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 268 ./strace-static-x86_64: Process 558 attached [pid 558] set_robust_list(0x5555721e9760, 24) = 0 [pid 558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 558] setpgid(0, 0) = 0 [pid 558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 558] write(3, "1000", 4) = 4 [pid 558] close(3) = 0 executing program [pid 558] write(1, "executing program\n", 18) = 18 [pid 558] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 558] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 558] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 558] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 558] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[269]}, 88) = 269 [pid 558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 558] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 558] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 558] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 558] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[270]}, 88) = 270 [pid 558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 558] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 558] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 560 attached [pid 560] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 560] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 560] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 559 attached [pid 559] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 559] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 559] memfd_create("syzkaller", 0) = 4 [pid 559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 559] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 559] munmap(0x7f0872468000, 138412032) = 0 [pid 559] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 559] ioctl(5, LOOP_SET_FD, 4 [pid 560] <... openat resumed>) = 3 [pid 560] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 560] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 558] <... futex resumed>) = 0 [pid 558] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 558] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 560] <... futex resumed>) = 0 [pid 560] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 560] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 558] <... futex resumed>) = 0 [pid 558] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 558] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 560] <... futex resumed>) = 1 [pid 559] <... ioctl resumed>) = 0 [pid 560] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 559] close(4) = 0 [pid 559] close(5) = 0 [pid 560] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 559] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 559] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 559] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 559] ioctl(4, LOOP_CLR_FD) = 0 [pid 559] close(4) = 0 [pid 559] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 559] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 560] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 560] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 558] <... futex resumed>) = 0 [pid 558] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 558] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 559] <... futex resumed>) = 0 [pid 560] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 559] creat(0x200000000040, 000) = 4 [pid 559] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 558] <... futex resumed>) = 0 [pid 558] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 558] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 559] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 559] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 558] <... futex resumed>) = 0 [pid 558] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 558] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 559] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 559] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 558] <... futex resumed>) = 0 [pid 558] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 558] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 559] write(5, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 559] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 558] <... futex resumed>) = 0 [pid 558] close(3) = 0 [pid 558] close(4) = 0 [pid 558] close(5) = 0 [pid 558] close(6) = -1 EBADF (Bad file descriptor) [pid 558] close(7) = -1 EBADF (Bad file descriptor) [pid 558] close(8) = -1 EBADF (Bad file descriptor) [pid 558] close(9) = -1 EBADF (Bad file descriptor) [pid 558] close(10) = -1 EBADF (Bad file descriptor) [pid 558] close(11) = -1 EBADF (Bad file descriptor) [pid 558] close(12) = -1 EBADF (Bad file descriptor) [pid 558] close(13) = -1 EBADF (Bad file descriptor) [pid 558] close(14) = -1 EBADF (Bad file descriptor) [pid 558] close(15) = -1 EBADF (Bad file descriptor) [pid 558] close(16) = -1 EBADF (Bad file descriptor) [pid 558] close(17) = -1 EBADF (Bad file descriptor) [pid 558] close(18) = -1 EBADF (Bad file descriptor) [pid 558] close(19) = -1 EBADF (Bad file descriptor) [pid 558] close(20) = -1 EBADF (Bad file descriptor) [pid 558] close(21) = -1 EBADF (Bad file descriptor) [pid 558] close(22) = -1 EBADF (Bad file descriptor) [pid 558] close(23) = -1 EBADF (Bad file descriptor) [pid 558] close(24) = -1 EBADF (Bad file descriptor) [pid 558] close(25) = -1 EBADF (Bad file descriptor) [pid 558] close(26) = -1 EBADF (Bad file descriptor) [pid 558] close(27) = -1 EBADF (Bad file descriptor) [pid 558] close(28) = -1 EBADF (Bad file descriptor) [pid 558] close(29) = -1 EBADF (Bad file descriptor) [pid 558] exit_group(0) = ? [pid 560] <... futex resumed>) = ? [pid 560] +++ exited with 0 +++ [pid 559] +++ exited with 0 +++ [pid 558] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=268, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 271 ./strace-static-x86_64: Process 561 attached [pid 561] set_robust_list(0x5555721e9760, 24) = 0 [pid 561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 561] setpgid(0, 0) = 0 [pid 561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 561] write(3, "1000", 4) = 4 [pid 561] close(3) = 0 [pid 561] write(1, "executing program\n", 18executing program ) = 18 [pid 561] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 561] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 561] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 561] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 561] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 562 attached => {parent_tid=[272]}, 88) = 272 [pid 562] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 562] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 561] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 561] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 562] <... futex resumed>) = 0 [pid 561] <... futex resumed>) = 1 [pid 562] memfd_create("syzkaller", 0 [pid 561] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 562] <... memfd_create resumed>) = 3 [pid 562] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872489000 [pid 561] <... futex resumed>) = 0 [pid 561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0872468000 [pid 561] mprotect(0x7f0872469000, 131072, PROT_READ|PROT_WRITE [pid 562] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 561] <... mprotect resumed>) = 0 [pid 561] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 562] <... write resumed>) = 131072 [pid 561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0872488990, parent_tid=0x7f0872488990, exit_signal=0, stack=0x7f0872468000, stack_size=0x20240, tls=0x7f08724886c0} [pid 562] munmap(0x7f0872489000, 138412032) = 0 [pid 562] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 40.271479][ T559] loop0: detected capacity change from 0 to 256 [pid 562] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 563 attached [pid 561] <... clone3 resumed> => {parent_tid=[273]}, 88) = 273 [pid 561] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 561] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 561] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 563] set_robust_list(0x7f08724889a0, 24) = 0 [pid 563] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 563] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 562] <... ioctl resumed>) = 0 [pid 562] close(3) = 0 [pid 562] close(4 [pid 563] <... openat resumed>) = 5 [pid 563] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 561] <... futex resumed>) = 0 [pid 561] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 561] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 563] <... futex resumed>) = 1 [pid 563] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 563] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 561] <... futex resumed>) = 0 [pid 561] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 561] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 563] <... futex resumed>) = 1 [pid 563] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 563] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 563] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 561] <... futex resumed>) = 0 [pid 561] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 561] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 563] <... futex resumed>) = 1 [pid 563] creat(0x200000000040, 000) = 3 [pid 563] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 561] <... futex resumed>) = 0 [pid 561] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 561] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 563] <... futex resumed>) = 1 [pid 563] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 563] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 561] <... futex resumed>) = 0 [pid 561] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 561] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 563] <... futex resumed>) = 1 [pid 563] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 563] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 561] <... futex resumed>) = 0 [pid 561] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 561] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 563] <... futex resumed>) = 1 [pid 563] write(4, 0x200000000080, 34136651 [pid 562] <... close resumed>) = 0 [pid 562] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 562] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 562] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 562] ioctl(6, LOOP_CLR_FD) = 0 [pid 562] close(6) = 0 [pid 562] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 562] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 563] <... write resumed>) = 131072 [pid 563] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 561] <... futex resumed>) = 0 [pid 561] close(3) = 0 [pid 561] close(4 [pid 563] <... futex resumed>) = 1 [pid 563] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 561] <... close resumed>) = 0 [pid 561] close(5) = 0 [pid 561] close(6) = -1 EBADF (Bad file descriptor) [pid 561] close(7) = -1 EBADF (Bad file descriptor) [pid 561] close(8) = -1 EBADF (Bad file descriptor) [pid 561] close(9) = -1 EBADF (Bad file descriptor) [pid 561] close(10) = -1 EBADF (Bad file descriptor) [pid 561] close(11) = -1 EBADF (Bad file descriptor) [pid 561] close(12) = -1 EBADF (Bad file descriptor) [pid 561] close(13) = -1 EBADF (Bad file descriptor) [pid 561] close(14) = -1 EBADF (Bad file descriptor) [pid 561] close(15) = -1 EBADF (Bad file descriptor) [pid 561] close(16) = -1 EBADF (Bad file descriptor) [pid 561] close(17) = -1 EBADF (Bad file descriptor) [pid 561] close(18) = -1 EBADF (Bad file descriptor) [pid 561] close(19) = -1 EBADF (Bad file descriptor) [pid 561] close(20) = -1 EBADF (Bad file descriptor) [pid 561] close(21) = -1 EBADF (Bad file descriptor) [pid 561] close(22) = -1 EBADF (Bad file descriptor) [pid 561] close(23) = -1 EBADF (Bad file descriptor) [pid 561] close(24) = -1 EBADF (Bad file descriptor) [pid 561] close(25) = -1 EBADF (Bad file descriptor) [pid 561] close(26) = -1 EBADF (Bad file descriptor) [pid 561] close(27) = -1 EBADF (Bad file descriptor) [pid 561] close(28) = -1 EBADF (Bad file descriptor) [pid 561] close(29) = -1 EBADF (Bad file descriptor) [pid 561] exit_group(0) = ? [pid 563] <... futex resumed>) = ? [pid 563] +++ exited with 0 +++ [pid 562] <... futex resumed>) = ? [pid 562] +++ exited with 0 +++ [pid 561] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=271, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [ 40.315764][ T562] loop0: detected capacity change from 0 to 256 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 274 ./strace-static-x86_64: Process 564 attached [pid 564] set_robust_list(0x5555721e9760, 24) = 0 [pid 564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 564] setpgid(0, 0) = 0 [pid 564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 564] write(3, "1000", 4) = 4 [pid 564] close(3) = 0 [pid 564] write(1, "executing program\n", 18executing program ) = 18 [pid 564] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 564] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 564] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 564] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 564] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[275]}, 88) = 275 [pid 564] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 564] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 564] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 565 attached ) = 0x7f087a868000 [pid 565] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 565] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 565] memfd_create("syzkaller", 0) = 3 [pid 565] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 564] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 564] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} [pid 565] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 564] <... clone3 resumed> => {parent_tid=[276]}, 88) = 276 [pid 564] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 564] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 564] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 566 attached [pid 566] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 566] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 565] <... write resumed>) = 131072 [pid 565] munmap(0x7f0872468000, 138412032) = 0 [pid 565] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 565] ioctl(5, LOOP_SET_FD, 3 [pid 566] <... openat resumed>) = 4 [pid 566] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 566] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 564] <... futex resumed>) = 0 [pid 564] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 564] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 566] <... futex resumed>) = 0 [pid 566] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 566] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 564] <... futex resumed>) = 0 [pid 564] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 564] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 566] <... futex resumed>) = 1 [pid 566] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 565] <... ioctl resumed>) = 0 [pid 565] close(3) = 0 [pid 565] close(5) = 0 [pid 565] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 565] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 566] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 565] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 565] ioctl(3, LOOP_CLR_FD) = 0 [pid 566] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 565] close(3) = 0 [pid 566] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 565] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 566] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 565] <... futex resumed>) = 0 [pid 565] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 564] <... futex resumed>) = 0 [pid 564] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 565] creat(0x200000000040, 000 [pid 564] <... futex resumed>) = 0 [pid 564] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 565] <... creat resumed>) = 3 [pid 565] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 564] <... futex resumed>) = 0 [pid 565] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 564] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 564] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 565] <... mount resumed>) = 0 [pid 565] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 564] <... futex resumed>) = 0 [pid 565] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 564] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 565] <... open resumed>) = 5 [pid 564] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 565] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 565] write(5, 0x200000000080, 34136651 [pid 564] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 564] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 565] <... write resumed>) = 131072 [pid 565] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 564] <... futex resumed>) = 0 [pid 565] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 564] close(3) = 0 [pid 564] close(4) = 0 [pid 564] close(5) = 0 [pid 564] close(6) = -1 EBADF (Bad file descriptor) [pid 564] close(7) = -1 EBADF (Bad file descriptor) [pid 564] close(8) = -1 EBADF (Bad file descriptor) [pid 564] close(9) = -1 EBADF (Bad file descriptor) [pid 564] close(10) = -1 EBADF (Bad file descriptor) [pid 564] close(11) = -1 EBADF (Bad file descriptor) [pid 564] close(12) = -1 EBADF (Bad file descriptor) [pid 564] close(13) = -1 EBADF (Bad file descriptor) [pid 564] close(14) = -1 EBADF (Bad file descriptor) [pid 564] close(15) = -1 EBADF (Bad file descriptor) [pid 564] close(16) = -1 EBADF (Bad file descriptor) [pid 564] close(17) = -1 EBADF (Bad file descriptor) [pid 564] close(18) = -1 EBADF (Bad file descriptor) [pid 564] close(19) = -1 EBADF (Bad file descriptor) [pid 564] close(20) = -1 EBADF (Bad file descriptor) [pid 564] close(21) = -1 EBADF (Bad file descriptor) [pid 564] close(22) = -1 EBADF (Bad file descriptor) [pid 564] close(23) = -1 EBADF (Bad file descriptor) [pid 564] close(24) = -1 EBADF (Bad file descriptor) [pid 564] close(25) = -1 EBADF (Bad file descriptor) [pid 564] close(26) = -1 EBADF (Bad file descriptor) [pid 564] close(27) = -1 EBADF (Bad file descriptor) [pid 564] close(28) = -1 EBADF (Bad file descriptor) [pid 564] close(29) = -1 EBADF (Bad file descriptor) [pid 564] exit_group(0) = ? [pid 566] <... futex resumed>) = ? [pid 565] <... futex resumed>) = ? [pid 566] +++ exited with 0 +++ [pid 565] +++ exited with 0 +++ [pid 564] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 277 ./strace-static-x86_64: Process 567 attached [pid 567] set_robust_list(0x5555721e9760, 24) = 0 executing program [pid 567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 567] setpgid(0, 0) = 0 [pid 567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 567] write(3, "1000", 4) = 4 [pid 567] close(3) = 0 [pid 567] write(1, "executing program\n", 18) = 18 [pid 567] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 567] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 567] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 567] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 567] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 567] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[278]}, 88) = 278 [pid 567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 567] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 567] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 567] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 567] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 567] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[279]}, 88) = 279 [pid 567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 567] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 567] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 568 attached [pid 568] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 568] memfd_create("syzkaller", 0) = 3 [pid 568] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 568] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 568] munmap(0x7f0872468000, 138412032) = 0 [pid 568] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 568] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 569 attached [pid 569] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 569] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 569] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 568] <... ioctl resumed>) = 0 [pid 568] close(3) = 0 [pid 568] close(4) = 0 [pid 568] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 40.388570][ T565] loop0: detected capacity change from 0 to 256 [ 40.426869][ T568] loop0: detected capacity change from 0 to 256 [pid 568] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 569] <... openat resumed>) = 5 [pid 569] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 569] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 567] <... futex resumed>) = 0 [pid 567] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 567] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 569] <... futex resumed>) = 0 [pid 569] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 569] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 567] <... futex resumed>) = 0 [pid 569] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 567] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 567] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 569] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 569] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 569] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 567] <... futex resumed>) = 0 [pid 567] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 567] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 569] <... futex resumed>) = 1 [pid 569] creat(0x200000000040, 000) = 3 [pid 569] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 567] <... futex resumed>) = 0 [pid 567] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 567] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 569] <... futex resumed>) = 1 [pid 569] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 569] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 567] <... futex resumed>) = 0 [pid 567] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 567] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 569] <... futex resumed>) = 1 [pid 569] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 569] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 567] <... futex resumed>) = 0 [pid 567] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 567] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 569] <... futex resumed>) = 1 [pid 569] write(4, 0x200000000080, 34136651) = 131072 [pid 569] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 567] <... futex resumed>) = 0 [pid 569] <... futex resumed>) = 1 [ 40.438306][ T568] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 40.449766][ T568] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [ 40.462156][ T568] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d) [ 40.476421][ T568] exFAT-fs (loop0): failed to load alloc-bitmap [pid 569] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 568] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 568] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 568] ioctl(6, LOOP_CLR_FD) = 0 [pid 568] close(6) = 0 [pid 568] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 568] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 567] close(3) = 0 [ 40.483465][ T568] exFAT-fs (loop0): failed to recognize exfat type [pid 567] close(4) = 0 [pid 567] close(5) = 0 [pid 567] close(6) = -1 EBADF (Bad file descriptor) [pid 567] close(7) = -1 EBADF (Bad file descriptor) [pid 567] close(8) = -1 EBADF (Bad file descriptor) [pid 567] close(9) = -1 EBADF (Bad file descriptor) [pid 567] close(10) = -1 EBADF (Bad file descriptor) [pid 567] close(11) = -1 EBADF (Bad file descriptor) [pid 567] close(12) = -1 EBADF (Bad file descriptor) [pid 567] close(13) = -1 EBADF (Bad file descriptor) [pid 567] close(14) = -1 EBADF (Bad file descriptor) [pid 567] close(15) = -1 EBADF (Bad file descriptor) [pid 567] close(16) = -1 EBADF (Bad file descriptor) [pid 567] close(17) = -1 EBADF (Bad file descriptor) [pid 567] close(18) = -1 EBADF (Bad file descriptor) [pid 567] close(19) = -1 EBADF (Bad file descriptor) [pid 567] close(20) = -1 EBADF (Bad file descriptor) [pid 567] close(21) = -1 EBADF (Bad file descriptor) [pid 567] close(22) = -1 EBADF (Bad file descriptor) [pid 567] close(23) = -1 EBADF (Bad file descriptor) [pid 567] close(24) = -1 EBADF (Bad file descriptor) [pid 567] close(25) = -1 EBADF (Bad file descriptor) [pid 567] close(26) = -1 EBADF (Bad file descriptor) [pid 567] close(27) = -1 EBADF (Bad file descriptor) [pid 567] close(28) = -1 EBADF (Bad file descriptor) [pid 567] close(29) = -1 EBADF (Bad file descriptor) [pid 567] exit_group(0) = ? [pid 568] <... futex resumed>) = ? [pid 568] +++ exited with 0 +++ [pid 569] <... futex resumed>) = ? [pid 569] +++ exited with 0 +++ [pid 567] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=277, si_uid=0, si_status=0, si_utime=0, si_stime=9} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 280 ./strace-static-x86_64: Process 570 attached [pid 570] set_robust_list(0x5555721e9760, 24) = 0 [pid 570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 570] setpgid(0, 0) = 0 [pid 570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 570] write(3, "1000", 4) = 4 [pid 570] close(3) = 0 [pid 570] write(1, "executing program\n", 18executing program ) = 18 [pid 570] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 570] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 570] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 570] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 571 attached => {parent_tid=[281]}, 88) = 281 [pid 571] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 571] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 570] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 570] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 571] <... futex resumed>) = 0 [pid 570] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 571] memfd_create("syzkaller", 0) = 3 [pid 570] <... futex resumed>) = 0 [pid 571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872489000 [pid 570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0872468000 [pid 570] mprotect(0x7f0872469000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 570] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0872488990, parent_tid=0x7f0872488990, exit_signal=0, stack=0x7f0872468000, stack_size=0x20240, tls=0x7f08724886c0}./strace-static-x86_64: Process 572 attached => {parent_tid=[282]}, 88) = 282 [pid 570] rt_sigprocmask(SIG_SETMASK, [], [pid 572] set_robust_list(0x7f08724889a0, 24 [pid 571] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 572] <... set_robust_list resumed>) = 0 [pid 570] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 572] rt_sigprocmask(SIG_SETMASK, [], [pid 570] <... futex resumed>) = 0 [pid 572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 570] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 572] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 571] <... write resumed>) = 131072 [pid 571] munmap(0x7f0872489000, 138412032) = 0 [pid 571] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 571] ioctl(5, LOOP_SET_FD, 3 [pid 572] <... openat resumed>) = 4 [pid 572] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 571] <... ioctl resumed>) = 0 [pid 571] close(3) = 0 [pid 571] close(5 [pid 572] <... futex resumed>) = 1 [pid 570] <... futex resumed>) = 0 [pid 571] <... close resumed>) = 0 [pid 570] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 572] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 570] <... futex resumed>) = 0 [pid 572] <... mmap resumed>) = 0x200000000000 [pid 570] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 572] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 570] <... futex resumed>) = 0 [pid 572] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 570] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 572] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 570] <... futex resumed>) = 0 [pid 570] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 572] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 572] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 570] <... futex resumed>) = 0 [pid 572] creat(0x200000000040, 000 [pid 570] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000 [pid 571] mkdir(0x200000000240, 0777 [pid 570] <... futex resumed>) = 0 [pid 571] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 571] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 570] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 571] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [ 40.574503][ T571] loop0: detected capacity change from 0 to 256 [pid 571] ioctl(5, LOOP_CLR_FD [pid 570] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 570] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 570] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 570] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[283]}, 88) = 283 [pid 570] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 570] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 570] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 573 attached [pid 573] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 573] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 573] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000 [pid 570] <... futex resumed>) = 0 [pid 573] <... futex resumed>) = 1 [pid 570] futex(0x7f087a976628, FUTEX_WAKE_PRIVATE, 1000000 [pid 573] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 570] <... futex resumed>) = 0 [pid 570] futex(0x7f087a97662c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 571] <... ioctl resumed>) = 0 [pid 572] <... creat resumed>) = 3 [pid 572] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 571] close(5 [pid 573] <... open resumed>) = 6 [pid 572] <... futex resumed>) = 0 [pid 571] <... close resumed>) = 0 [pid 573] futex(0x7f087a97662c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 573] futex(0x7f087a976628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 572] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 571] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 571] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 570] <... futex resumed>) = 0 [pid 570] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 570] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 571] <... futex resumed>) = 0 [pid 571] write(6, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 571] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 570] <... futex resumed>) = 0 [pid 570] close(3 [pid 571] <... futex resumed>) = 1 [pid 570] <... close resumed>) = 0 [pid 570] close(4) = 0 [pid 570] close(5) = -1 EBADF (Bad file descriptor) [pid 570] close(6) = 0 [pid 570] close(7) = -1 EBADF (Bad file descriptor) [pid 570] close(8) = -1 EBADF (Bad file descriptor) [pid 570] close(9) = -1 EBADF (Bad file descriptor) [pid 570] close(10) = -1 EBADF (Bad file descriptor) [pid 570] close(11) = -1 EBADF (Bad file descriptor) [pid 570] close(12) = -1 EBADF (Bad file descriptor) [pid 570] close(13) = -1 EBADF (Bad file descriptor) [pid 570] close(14) = -1 EBADF (Bad file descriptor) [pid 570] close(15) = -1 EBADF (Bad file descriptor) [pid 570] close(16) = -1 EBADF (Bad file descriptor) [pid 570] close(17) = -1 EBADF (Bad file descriptor) [pid 570] close(18) = -1 EBADF (Bad file descriptor) [pid 570] close(19) = -1 EBADF (Bad file descriptor) [pid 570] close(20) = -1 EBADF (Bad file descriptor) [pid 570] close(21) = -1 EBADF (Bad file descriptor) [pid 570] close(22) = -1 EBADF (Bad file descriptor) [pid 570] close(23) = -1 EBADF (Bad file descriptor) [pid 570] close(24) = -1 EBADF (Bad file descriptor) [pid 570] close(25) = -1 EBADF (Bad file descriptor) [pid 570] close(26) = -1 EBADF (Bad file descriptor) [pid 570] close(27) = -1 EBADF (Bad file descriptor) [pid 570] close(28) = -1 EBADF (Bad file descriptor) [pid 570] close(29) = -1 EBADF (Bad file descriptor) [pid 570] exit_group(0 [pid 573] <... futex resumed>) = ? [pid 572] <... futex resumed>) = ? [pid 570] <... exit_group resumed>) = ? [pid 573] +++ exited with 0 +++ [pid 572] +++ exited with 0 +++ [pid 571] +++ exited with 0 +++ [pid 570] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=280, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 284 ./strace-static-x86_64: Process 574 attached [pid 574] set_robust_list(0x5555721e9760, 24) = 0 [pid 574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 574] setpgid(0, 0) = 0 [pid 574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 574] write(3, "1000", 4) = 4 [pid 574] close(3) = 0 executing program [pid 574] write(1, "executing program\n", 18) = 18 [pid 574] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 574] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 574] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 574] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 574] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[285]}, 88) = 285 [pid 574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 574] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 574] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 574] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 574] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[286]}, 88) = 286 [pid 574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 574] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 574] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 576 attached [pid 576] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 576] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 575 attached [pid 575] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 575] memfd_create("syzkaller", 0) = 4 [pid 575] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 575] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 575] munmap(0x7f0872468000, 138412032) = 0 [pid 575] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 575] ioctl(5, LOOP_SET_FD, 4 [pid 576] <... openat resumed>) = 3 [pid 576] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 574] <... futex resumed>) = 0 [pid 574] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 574] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 576] <... futex resumed>) = 1 [pid 576] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 576] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 574] <... futex resumed>) = 0 [pid 574] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 574] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 576] <... futex resumed>) = 1 [pid 576] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 576] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 575] <... ioctl resumed>) = 0 [pid 576] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 575] close(4) = 0 [pid 575] close(5) = 0 [pid 576] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 574] <... futex resumed>) = 0 [pid 574] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 574] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 575] mkdir(0x200000000240, 0777 [pid 576] <... futex resumed>) = 1 [pid 575] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 576] creat(0x200000000040, 000 [pid 575] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 576] <... creat resumed>) = 4 [pid 575] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 576] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 575] ioctl(5, LOOP_CLR_FD [pid 574] <... futex resumed>) = 0 [pid 574] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 574] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 575] <... ioctl resumed>) = 0 [pid 576] <... futex resumed>) = 1 [pid 575] close(5 [pid 576] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 575] <... close resumed>) = 0 [pid 576] <... mount resumed>) = 0 [pid 575] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 575] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 576] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 574] <... futex resumed>) = 0 [pid 574] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 574] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 575] <... futex resumed>) = 0 [pid 575] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 576] <... futex resumed>) = 1 [pid 575] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 576] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 574] <... futex resumed>) = 0 [pid 574] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 574] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 575] <... futex resumed>) = 1 [pid 575] write(5, 0x200000000080, 34136651) = 131072 [pid 575] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 574] <... futex resumed>) = 0 [pid 574] close(3) = 0 [pid 574] close(4) = 0 [pid 574] close(5) = 0 [pid 574] close(6) = -1 EBADF (Bad file descriptor) [pid 574] close(7) = -1 EBADF (Bad file descriptor) [pid 574] close(8) = -1 EBADF (Bad file descriptor) [pid 574] close(9) = -1 EBADF (Bad file descriptor) [pid 574] close(10) = -1 EBADF (Bad file descriptor) [pid 574] close(11) = -1 EBADF (Bad file descriptor) [pid 574] close(12) = -1 EBADF (Bad file descriptor) [pid 574] close(13) = -1 EBADF (Bad file descriptor) [pid 574] close(14) = -1 EBADF (Bad file descriptor) [pid 574] close(15) = -1 EBADF (Bad file descriptor) [pid 574] close(16 [pid 575] <... futex resumed>) = 1 [pid 574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 574] close(17) = -1 EBADF (Bad file descriptor) [pid 574] close(18) = -1 EBADF (Bad file descriptor) [pid 574] close(19) = -1 EBADF (Bad file descriptor) [pid 574] close(20) = -1 EBADF (Bad file descriptor) [pid 575] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 574] close(21) = -1 EBADF (Bad file descriptor) [pid 574] close(22) = -1 EBADF (Bad file descriptor) [pid 574] close(23) = -1 EBADF (Bad file descriptor) [pid 574] close(24) = -1 EBADF (Bad file descriptor) [pid 574] close(25) = -1 EBADF (Bad file descriptor) [pid 574] close(26) = -1 EBADF (Bad file descriptor) [pid 574] close(27) = -1 EBADF (Bad file descriptor) [pid 574] close(28) = -1 EBADF (Bad file descriptor) [pid 574] close(29) = -1 EBADF (Bad file descriptor) [pid 574] exit_group(0) = ? [pid 576] <... futex resumed>) = ? [pid 575] <... futex resumed>) = ? [pid 575] +++ exited with 0 +++ [pid 576] +++ exited with 0 +++ [pid 574] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=284, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) executing program [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 287 ./strace-static-x86_64: Process 577 attached [pid 577] set_robust_list(0x5555721e9760, 24) = 0 [pid 577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 577] setpgid(0, 0) = 0 [pid 577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 577] write(3, "1000", 4) = 4 [pid 577] close(3) = 0 [pid 577] write(1, "executing program\n", 18) = 18 [pid 577] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 577] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 577] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 577] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 577] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 578 attached => {parent_tid=[288]}, 88) = 288 [pid 577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 577] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 577] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 577] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 577] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[289]}, 88) = 289 [pid 577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 577] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 577] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 578] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 578] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 579 attached NULL, 8) = 0 [pid 579] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 578] memfd_create("syzkaller", 0 [pid 579] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 579] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 578] <... memfd_create resumed>) = 4 [pid 578] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 578] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 578] munmap(0x7f0872468000, 138412032) = 0 [pid 578] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [ 40.687463][ T575] loop0: detected capacity change from 0 to 256 [pid 578] ioctl(5, LOOP_SET_FD, 4 [pid 579] <... openat resumed>) = 3 [pid 579] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 579] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 577] <... futex resumed>) = 0 [pid 577] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 577] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 579] <... futex resumed>) = 0 [pid 579] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 579] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 578] <... ioctl resumed>) = 0 [pid 579] <... futex resumed>) = 1 [pid 578] close(4) = 0 [pid 579] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 578] close(5) = 0 [pid 578] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 578] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 577] <... futex resumed>) = 0 [pid 577] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 577] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 578] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 578] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 578] ioctl(4, LOOP_CLR_FD) = 0 [pid 578] close(4) = 0 [pid 578] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 578] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 579] <... futex resumed>) = 0 [pid 579] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 579] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 577] <... futex resumed>) = 0 [pid 577] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 577] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 578] <... futex resumed>) = 0 [pid 579] <... futex resumed>) = 1 [pid 578] creat(0x200000000040, 000 [pid 579] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 578] <... creat resumed>) = 4 [pid 578] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 577] <... futex resumed>) = 0 [pid 577] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 577] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 578] <... futex resumed>) = 1 [pid 578] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 578] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 577] <... futex resumed>) = 0 [pid 577] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 577] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 578] <... futex resumed>) = 1 [pid 578] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 578] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 577] <... futex resumed>) = 0 [pid 577] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 577] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 578] <... futex resumed>) = 1 [pid 578] write(5, 0x200000000080, 34136651) = 131072 [pid 578] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 577] <... futex resumed>) = 0 [pid 577] close(3) = 0 [pid 577] close(4 [pid 578] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 577] <... close resumed>) = 0 [pid 577] close(5) = 0 [pid 577] close(6) = -1 EBADF (Bad file descriptor) [pid 577] close(7) = -1 EBADF (Bad file descriptor) [pid 577] close(8) = -1 EBADF (Bad file descriptor) [pid 577] close(9) = -1 EBADF (Bad file descriptor) [pid 577] close(10) = -1 EBADF (Bad file descriptor) [pid 577] close(11) = -1 EBADF (Bad file descriptor) [pid 577] close(12) = -1 EBADF (Bad file descriptor) [pid 577] close(13) = -1 EBADF (Bad file descriptor) [pid 577] close(14) = -1 EBADF (Bad file descriptor) [pid 577] close(15) = -1 EBADF (Bad file descriptor) [pid 577] close(16) = -1 EBADF (Bad file descriptor) [pid 577] close(17) = -1 EBADF (Bad file descriptor) [pid 577] close(18) = -1 EBADF (Bad file descriptor) [pid 577] close(19) = -1 EBADF (Bad file descriptor) [pid 577] close(20) = -1 EBADF (Bad file descriptor) [pid 577] close(21) = -1 EBADF (Bad file descriptor) [pid 577] close(22) = -1 EBADF (Bad file descriptor) [pid 577] close(23) = -1 EBADF (Bad file descriptor) [pid 577] close(24) = -1 EBADF (Bad file descriptor) [pid 577] close(25) = -1 EBADF (Bad file descriptor) [pid 577] close(26) = -1 EBADF (Bad file descriptor) [pid 577] close(27) = -1 EBADF (Bad file descriptor) [pid 577] close(28) = -1 EBADF (Bad file descriptor) [pid 577] close(29) = -1 EBADF (Bad file descriptor) [pid 577] exit_group(0) = ? [pid 579] <... futex resumed>) = ? [pid 579] +++ exited with 0 +++ [pid 578] <... futex resumed>) = ? [pid 578] +++ exited with 0 +++ [pid 577] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=287, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [ 40.729553][ T578] loop0: detected capacity change from 0 to 256 [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 290 ./strace-static-x86_64: Process 580 attached [pid 580] set_robust_list(0x5555721e9760, 24) = 0 [pid 580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 580] setpgid(0, 0) = 0 [pid 580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 580] write(3, "1000", 4) = 4 [pid 580] close(3) = 0 [pid 580] write(1, "executing program\n", 18executing program ) = 18 [pid 580] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 580] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 580] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 580] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[291]}, 88) = 291 [pid 580] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 580] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 580] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 580] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 580] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[292]}, 88) = 292 [pid 580] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 580] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 580] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 582 attached [pid 582] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 582] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 581 attached [pid 581] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 581] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 581] memfd_create("syzkaller", 0) = 4 [pid 581] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 581] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 581] munmap(0x7f0872468000, 138412032) = 0 [pid 581] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 581] ioctl(5, LOOP_SET_FD, 4 [pid 582] <... openat resumed>) = 3 [pid 582] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 582] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 580] <... futex resumed>) = 0 [pid 580] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 580] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 582] <... futex resumed>) = 0 [pid 582] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 582] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 581] <... ioctl resumed>) = 0 [pid 580] <... futex resumed>) = 0 [pid 580] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 580] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 582] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 582] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 581] close(4 [pid 582] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 581] <... close resumed>) = 0 [pid 580] <... futex resumed>) = 0 [pid 580] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 580] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 581] close(5 [pid 582] <... futex resumed>) = 1 [ 40.806414][ T581] loop0: detected capacity change from 0 to 256 [pid 582] creat(0x200000000040, 000 [pid 581] <... close resumed>) = 0 [pid 582] <... creat resumed>) = 4 [pid 582] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 581] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 581] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 581] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 581] ioctl(5, LOOP_CLR_FD) = 0 [pid 582] <... futex resumed>) = 1 [pid 581] close(5) = 0 [pid 582] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 581] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 581] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 580] <... futex resumed>) = 0 [pid 580] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 580] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 581] <... futex resumed>) = 0 [pid 581] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 581] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 580] <... futex resumed>) = 0 [pid 580] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 580] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 581] <... futex resumed>) = 1 [pid 581] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 581] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 580] <... futex resumed>) = 0 [pid 580] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 580] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 581] <... futex resumed>) = 1 [pid 581] write(5, 0x200000000080, 34136651) = 131072 [pid 581] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 580] <... futex resumed>) = 0 [pid 580] close(3) = 0 [pid 580] close(4) = 0 [pid 580] close(5) = 0 [pid 580] close(6) = -1 EBADF (Bad file descriptor) [pid 580] close(7) = -1 EBADF (Bad file descriptor) [pid 580] close(8) = -1 EBADF (Bad file descriptor) [pid 580] close(9) = -1 EBADF (Bad file descriptor) [pid 580] close(10) = -1 EBADF (Bad file descriptor) [pid 580] close(11) = -1 EBADF (Bad file descriptor) [pid 580] close(12) = -1 EBADF (Bad file descriptor) [pid 580] close(13) = -1 EBADF (Bad file descriptor) [pid 580] close(14) = -1 EBADF (Bad file descriptor) [pid 580] close(15) = -1 EBADF (Bad file descriptor) [pid 580] close(16) = -1 EBADF (Bad file descriptor) [pid 581] <... futex resumed>) = 1 [pid 580] close(17) = -1 EBADF (Bad file descriptor) [pid 580] close(18) = -1 EBADF (Bad file descriptor) [pid 580] close(19) = -1 EBADF (Bad file descriptor) [pid 580] close(20) = -1 EBADF (Bad file descriptor) [pid 580] close(21) = -1 EBADF (Bad file descriptor) [pid 580] close(22) = -1 EBADF (Bad file descriptor) [pid 580] close(23) = -1 EBADF (Bad file descriptor) [pid 580] close(24) = -1 EBADF (Bad file descriptor) [pid 580] close(25) = -1 EBADF (Bad file descriptor) [pid 580] close(26) = -1 EBADF (Bad file descriptor) [pid 580] close(27) = -1 EBADF (Bad file descriptor) [pid 580] close(28) = -1 EBADF (Bad file descriptor) [pid 580] close(29) = -1 EBADF (Bad file descriptor) [pid 580] exit_group(0) = ? [pid 582] <... futex resumed>) = ? [pid 582] +++ exited with 0 +++ [pid 581] +++ exited with 0 +++ [pid 580] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x5555721e9750) = 293 ./strace-static-x86_64: Process 583 attached [pid 583] set_robust_list(0x5555721e9760, 24) = 0 [pid 583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 583] setpgid(0, 0) = 0 [pid 583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 583] write(3, "1000", 4) = 4 [pid 583] close(3) = 0 [pid 583] write(1, "executing program\n", 18) = 18 [pid 583] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 583] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 583] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 583] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 583] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 583] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[294]}, 88) = 294 [pid 583] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 583] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 583] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 583] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 583] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 583] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[295]}, 88) = 295 [pid 583] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 583] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 583] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 585 attached [pid 585] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 585] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 585] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 584 attached [pid 584] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 584] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 584] memfd_create("syzkaller", 0) = 4 [pid 584] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 584] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 584] munmap(0x7f0872468000, 138412032) = 0 [pid 584] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 584] ioctl(5, LOOP_SET_FD, 4) = 0 [pid 584] close(4) = 0 [pid 584] close(5) = 0 [pid 584] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 584] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 585] <... openat resumed>) = 3 [pid 585] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 583] <... futex resumed>) = 0 [pid 583] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 583] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 585] <... futex resumed>) = 1 [pid 585] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 585] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 583] <... futex resumed>) = 0 [pid 583] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 583] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 585] <... futex resumed>) = 1 [pid 585] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 585] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 585] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 583] <... futex resumed>) = 0 [pid 583] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 583] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 585] <... futex resumed>) = 1 [pid 585] creat(0x200000000040, 000) = 4 [pid 585] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 583] <... futex resumed>) = 0 [pid 583] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 583] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 585] <... futex resumed>) = 1 [pid 585] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 585] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 583] <... futex resumed>) = 0 [pid 583] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 583] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 585] <... futex resumed>) = 1 [pid 585] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 585] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 583] <... futex resumed>) = 0 [pid 583] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 583] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 585] <... futex resumed>) = 1 [pid 585] write(5, 0x200000000080, 34136651) = 131072 [pid 585] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 40.939541][ T584] loop0: detected capacity change from 0 to 256 [ 40.949019][ T584] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 40.965417][ T584] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [ 40.978309][ T584] exFAT-fs (loop0): unable to set blocksize 33554432 [pid 585] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 583] <... futex resumed>) = 0 [pid 584] <... mount resumed>) = -1 EIO (Input/output error) [pid 584] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 584] ioctl(6, LOOP_CLR_FD) = 0 [pid 584] close(6) = 0 [pid 584] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 583] close(3) = 0 [pid 583] close(4) = 0 [pid 583] close(5 [pid 584] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 583] <... close resumed>) = 0 [pid 583] close(6) = -1 EBADF (Bad file descriptor) [pid 583] close(7) = -1 EBADF (Bad file descriptor) [pid 583] close(8) = -1 EBADF (Bad file descriptor) [pid 583] close(9) = -1 EBADF (Bad file descriptor) [pid 583] close(10) = -1 EBADF (Bad file descriptor) [pid 583] close(11) = -1 EBADF (Bad file descriptor) [pid 583] close(12) = -1 EBADF (Bad file descriptor) [pid 583] close(13) = -1 EBADF (Bad file descriptor) [pid 583] close(14) = -1 EBADF (Bad file descriptor) [pid 583] close(15) = -1 EBADF (Bad file descriptor) [pid 583] close(16) = -1 EBADF (Bad file descriptor) [pid 583] close(17) = -1 EBADF (Bad file descriptor) [pid 583] close(18) = -1 EBADF (Bad file descriptor) [pid 583] close(19) = -1 EBADF (Bad file descriptor) [pid 583] close(20) = -1 EBADF (Bad file descriptor) [pid 583] close(21) = -1 EBADF (Bad file descriptor) [pid 583] close(22) = -1 EBADF (Bad file descriptor) [pid 583] close(23) = -1 EBADF (Bad file descriptor) [pid 583] close(24) = -1 EBADF (Bad file descriptor) [pid 583] close(25) = -1 EBADF (Bad file descriptor) [pid 583] close(26) = -1 EBADF (Bad file descriptor) [pid 583] close(27) = -1 EBADF (Bad file descriptor) [pid 583] close(28) = -1 EBADF (Bad file descriptor) [pid 583] close(29) = -1 EBADF (Bad file descriptor) [pid 583] exit_group(0 [pid 585] <... futex resumed>) = ? [pid 583] <... exit_group resumed>) = ? [pid 585] +++ exited with 0 +++ [pid 584] <... futex resumed>) = ? [pid 584] +++ exited with 0 +++ [pid 583] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=293, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 296 ./strace-static-x86_64: Process 586 attached [pid 586] set_robust_list(0x5555721e9760, 24) = 0 [pid 586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 586] setpgid(0, 0) = 0 [pid 586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 586] write(3, "1000", 4) = 4 [pid 586] close(3) = 0 [ 40.985501][ T584] exFAT-fs (loop0): failed to read boot sector [ 40.992757][ T584] exFAT-fs (loop0): failed to recognize exfat type [pid 586] write(1, "executing program\n", 18executing program ) = 18 [pid 586] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 586] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 586] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 586] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 587 attached => {parent_tid=[297]}, 88) = 297 [pid 586] rt_sigprocmask(SIG_SETMASK, [], [pid 587] set_robust_list(0x7f087a8a99a0, 24 [pid 586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 587] <... set_robust_list resumed>) = 0 [pid 587] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 587] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 586] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 587] <... futex resumed>) = 0 [pid 587] memfd_create("syzkaller", 0) = 3 [pid 587] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872489000 [pid 586] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0872468000 [pid 586] mprotect(0x7f0872469000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 586] rt_sigprocmask(SIG_BLOCK, ~[], [pid 587] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 586] <... rt_sigprocmask resumed>[], 8) = 0 [pid 586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0872488990, parent_tid=0x7f0872488990, exit_signal=0, stack=0x7f0872468000, stack_size=0x20240, tls=0x7f08724886c0} [pid 587] <... write resumed>) = 131072 ./strace-static-x86_64: Process 588 attached [pid 587] munmap(0x7f0872489000, 138412032 [pid 586] <... clone3 resumed> => {parent_tid=[298]}, 88) = 298 [pid 586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 586] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 588] set_robust_list(0x7f08724889a0, 24) = 0 [pid 588] rt_sigprocmask(SIG_SETMASK, [], [pid 587] <... munmap resumed>) = 0 [pid 588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 588] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 587] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 587] ioctl(5, LOOP_SET_FD, 3 [pid 588] <... openat resumed>) = 4 [pid 588] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 588] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 586] <... futex resumed>) = 0 [pid 587] <... ioctl resumed>) = 0 [pid 587] close(3) = 0 [pid 587] close(5) = 0 [pid 586] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 586] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 587] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 587] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 588] <... futex resumed>) = 0 [pid 588] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 588] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 586] <... futex resumed>) = 0 [pid 586] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 588] <... futex resumed>) = 1 [pid 588] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 588] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 588] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 586] <... futex resumed>) = 0 [pid 586] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 588] <... futex resumed>) = 1 [pid 588] creat(0x200000000040, 000) = 3 [pid 588] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 586] <... futex resumed>) = 0 [pid 586] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 588] <... futex resumed>) = 1 [pid 588] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 588] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 586] <... futex resumed>) = 0 [pid 586] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 588] <... futex resumed>) = 1 [pid 588] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 588] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 586] <... futex resumed>) = 0 [pid 586] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 588] <... futex resumed>) = 1 [ 41.058874][ T587] loop0: detected capacity change from 0 to 256 [ 41.070059][ T587] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 41.082448][ T587] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [pid 588] write(5, 0x200000000080, 34136651 [pid 587] <... mount resumed>) = 0 [pid 587] openat(AT_FDCWD, 0x200000000240, O_RDONLY|O_DIRECTORY) = -1 ENOENT (No such file or directory) [pid 587] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 587] ioctl(6, LOOP_CLR_FD) = 0 [pid 587] close(6) = 0 [pid 587] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 587] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 588] <... write resumed>) = 131072 [pid 588] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 586] <... futex resumed>) = 0 [pid 586] close(3) = 0 [pid 586] close(4) = 0 [pid 586] close(5) = 0 [pid 586] close(6) = -1 EBADF (Bad file descriptor) [pid 586] close(7) = -1 EBADF (Bad file descriptor) [pid 586] close(8) = -1 EBADF (Bad file descriptor) [pid 586] close(9) = -1 EBADF (Bad file descriptor) [pid 586] close(10) = -1 EBADF (Bad file descriptor) [pid 586] close(11) = -1 EBADF (Bad file descriptor) [pid 586] close(12) = -1 EBADF (Bad file descriptor) [pid 586] close(13) = -1 EBADF (Bad file descriptor) [pid 588] <... futex resumed>) = 1 [pid 586] close(14 [pid 588] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 586] close(15) = -1 EBADF (Bad file descriptor) [pid 586] close(16) = -1 EBADF (Bad file descriptor) [pid 586] close(17) = -1 EBADF (Bad file descriptor) [pid 586] close(18) = -1 EBADF (Bad file descriptor) [pid 586] close(19) = -1 EBADF (Bad file descriptor) [pid 586] close(20) = -1 EBADF (Bad file descriptor) [pid 586] close(21) = -1 EBADF (Bad file descriptor) [pid 586] close(22) = -1 EBADF (Bad file descriptor) [pid 586] close(23) = -1 EBADF (Bad file descriptor) [pid 586] close(24) = -1 EBADF (Bad file descriptor) [pid 586] close(25) = -1 EBADF (Bad file descriptor) [pid 586] close(26) = -1 EBADF (Bad file descriptor) [pid 586] close(27) = -1 EBADF (Bad file descriptor) [pid 586] close(28) = -1 EBADF (Bad file descriptor) [pid 586] close(29) = -1 EBADF (Bad file descriptor) [pid 586] exit_group(0 [pid 587] <... futex resumed>) = ? [pid 586] <... exit_group resumed>) = ? [pid 587] +++ exited with 0 +++ [pid 588] <... futex resumed>) = ? [pid 588] +++ exited with 0 +++ [pid 586] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 299 ./strace-static-x86_64: Process 589 attached [pid 589] set_robust_list(0x5555721e9760, 24) = 0 [pid 589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 589] setpgid(0, 0) = 0 [pid 589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 589] write(3, "1000", 4) = 4 [pid 589] close(3) = 0 [pid 589] write(1, "executing program\n", 18executing program ) = 18 [pid 589] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 589] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 589] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 589] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 589] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[300]}, 88) = 300 [pid 589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 589] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 589] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 589] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 589] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[301]}, 88) = 301 [pid 589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 589] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 589] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 590 attached [pid 590] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 590] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 590] memfd_create("syzkaller", 0) = 3 [pid 590] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 ./strace-static-x86_64: Process 591 attached [pid 591] set_robust_list(0x7f087a8889a0, 24 [pid 590] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 591] <... set_robust_list resumed>) = 0 [pid 591] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 591] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 590] <... write resumed>) = 131072 [pid 590] munmap(0x7f0872468000, 138412032) = 0 [pid 590] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 590] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 590] ioctl(5, LOOP_CLR_FD) = 0 [pid 590] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [ 41.096227][ T587] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d) [pid 590] close(5) = 0 [pid 590] close(3) = 0 [pid 590] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 590] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 591] <... openat resumed>) = 4 [pid 591] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 589] <... futex resumed>) = 0 [pid 589] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 589] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 590] <... futex resumed>) = 0 [pid 590] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 590] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 589] <... futex resumed>) = 0 [pid 589] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 589] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 590] <... futex resumed>) = 1 [pid 591] <... futex resumed>) = 1 [pid 590] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 591] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 590] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 590] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 589] <... futex resumed>) = 0 [pid 589] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 590] <... futex resumed>) = 1 [pid 589] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 590] creat(0x200000000040, 000) = 3 [pid 590] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 589] <... futex resumed>) = 0 [pid 589] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 589] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 590] <... futex resumed>) = 1 [pid 590] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 590] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 589] <... futex resumed>) = 0 [pid 589] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 589] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 590] <... futex resumed>) = 1 [pid 590] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 590] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 589] <... futex resumed>) = 0 [pid 590] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 589] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 589] <... futex resumed>) = 0 [pid 590] write(5, 0x200000000080, 34136651 [pid 589] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 590] <... write resumed>) = 131072 [pid 590] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 589] <... futex resumed>) = 0 [pid 589] close(3 [pid 590] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 589] <... close resumed>) = 0 [pid 589] close(4) = 0 [pid 589] close(5) = 0 [pid 589] close(6) = -1 EBADF (Bad file descriptor) [pid 589] close(7) = -1 EBADF (Bad file descriptor) [pid 589] close(8) = -1 EBADF (Bad file descriptor) [pid 589] close(9) = -1 EBADF (Bad file descriptor) [pid 589] close(10) = -1 EBADF (Bad file descriptor) [pid 589] close(11) = -1 EBADF (Bad file descriptor) [pid 589] close(12) = -1 EBADF (Bad file descriptor) [pid 589] close(13) = -1 EBADF (Bad file descriptor) [pid 589] close(14) = -1 EBADF (Bad file descriptor) [pid 589] close(15) = -1 EBADF (Bad file descriptor) [pid 589] close(16) = -1 EBADF (Bad file descriptor) [pid 589] close(17) = -1 EBADF (Bad file descriptor) [pid 589] close(18) = -1 EBADF (Bad file descriptor) [pid 589] close(19) = -1 EBADF (Bad file descriptor) [pid 589] close(20) = -1 EBADF (Bad file descriptor) [pid 589] close(21) = -1 EBADF (Bad file descriptor) [pid 589] close(22) = -1 EBADF (Bad file descriptor) [pid 589] close(23) = -1 EBADF (Bad file descriptor) [pid 589] close(24) = -1 EBADF (Bad file descriptor) [pid 589] close(25) = -1 EBADF (Bad file descriptor) [pid 589] close(26) = -1 EBADF (Bad file descriptor) [pid 589] close(27) = -1 EBADF (Bad file descriptor) [pid 589] close(28) = -1 EBADF (Bad file descriptor) [pid 589] close(29) = -1 EBADF (Bad file descriptor) [pid 589] exit_group(0) = ? [pid 591] <... futex resumed>) = ? [pid 590] <... futex resumed>) = ? [pid 590] +++ exited with 0 +++ [pid 591] +++ exited with 0 +++ [pid 589] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FDexecuting program ) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 302 ./strace-static-x86_64: Process 592 attached [pid 592] set_robust_list(0x5555721e9760, 24) = 0 [pid 592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 592] setpgid(0, 0) = 0 [pid 592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 592] write(3, "1000", 4) = 4 [pid 592] close(3) = 0 [pid 592] write(1, "executing program\n", 18) = 18 [pid 592] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 592] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 592] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 592] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[303]}, 88) = 303 [pid 592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 592] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 592] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 593 attached [pid 593] set_robust_list(0x7f087a8a99a0, 24 [pid 592] <... mmap resumed>) = 0x7f087a868000 [pid 593] <... set_robust_list resumed>) = 0 [pid 592] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE [pid 593] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 593] memfd_create("syzkaller", 0) = 3 [pid 593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 593] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 593] munmap(0x7f0872468000, 138412032) = 0 [pid 593] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 593] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 593] ioctl(4, LOOP_CLR_FD) = 0 [pid 592] <... mprotect resumed>) = 0 [pid 592] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0}./strace-static-x86_64: Process 594 attached => {parent_tid=[304]}, 88) = 304 [pid 592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 592] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 592] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 594] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 593] ioctl(4, LOOP_SET_FD, 3 [pid 594] rt_sigprocmask(SIG_SETMASK, [], [pid 593] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 594] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 593] close(4) = 0 [pid 593] close(3 [pid 594] <... openat resumed>) = 4 [pid 593] <... close resumed>) = 0 [pid 593] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 593] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 594] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 592] <... futex resumed>) = 0 [pid 594] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 592] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 593] <... futex resumed>) = 0 [pid 592] <... futex resumed>) = 1 [pid 593] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 593] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 593] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 592] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 592] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 593] <... futex resumed>) = 0 [pid 592] <... futex resumed>) = 1 [pid 593] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 592] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 593] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 593] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 593] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 592] <... futex resumed>) = 0 [pid 593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 592] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 593] creat(0x200000000040, 000 [pid 592] <... futex resumed>) = 0 [pid 593] <... creat resumed>) = 3 [pid 592] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 593] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 593] <... futex resumed>) = 0 [pid 592] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 593] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 592] <... futex resumed>) = 0 [pid 593] <... mount resumed>) = 0 [pid 592] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 593] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 592] <... futex resumed>) = 0 [pid 593] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 592] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 592] <... futex resumed>) = 0 [pid 593] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 592] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 593] <... open resumed>) = 5 [pid 593] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 592] <... futex resumed>) = 0 [pid 593] write(5, 0x200000000080, 34136651 [pid 592] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 592] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 593] <... write resumed>) = 131072 [pid 593] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 592] <... futex resumed>) = 0 [pid 593] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 592] close(3) = 0 [pid 592] close(4) = 0 [pid 592] close(5) = 0 [pid 592] close(6) = -1 EBADF (Bad file descriptor) [pid 592] close(7) = -1 EBADF (Bad file descriptor) [pid 592] close(8) = -1 EBADF (Bad file descriptor) [pid 592] close(9) = -1 EBADF (Bad file descriptor) [pid 592] close(10) = -1 EBADF (Bad file descriptor) [pid 592] close(11) = -1 EBADF (Bad file descriptor) [pid 592] close(12) = -1 EBADF (Bad file descriptor) [pid 592] close(13) = -1 EBADF (Bad file descriptor) [pid 592] close(14) = -1 EBADF (Bad file descriptor) [pid 592] close(15) = -1 EBADF (Bad file descriptor) [pid 592] close(16) = -1 EBADF (Bad file descriptor) [pid 592] close(17) = -1 EBADF (Bad file descriptor) [pid 592] close(18) = -1 EBADF (Bad file descriptor) [pid 592] close(19) = -1 EBADF (Bad file descriptor) [pid 592] close(20) = -1 EBADF (Bad file descriptor) [pid 592] close(21) = -1 EBADF (Bad file descriptor) [pid 592] close(22) = -1 EBADF (Bad file descriptor) [pid 592] close(23) = -1 EBADF (Bad file descriptor) [pid 592] close(24) = -1 EBADF (Bad file descriptor) [pid 592] close(25) = -1 EBADF (Bad file descriptor) [pid 592] close(26) = -1 EBADF (Bad file descriptor) [pid 592] close(27) = -1 EBADF (Bad file descriptor) [pid 592] close(28) = -1 EBADF (Bad file descriptor) [pid 592] close(29) = -1 EBADF (Bad file descriptor) [pid 592] exit_group(0 [pid 594] <... futex resumed>) = ? [pid 593] <... futex resumed>) = ? [pid 592] <... exit_group resumed>) = ? [pid 594] +++ exited with 0 +++ [pid 593] +++ exited with 0 +++ [pid 592] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 305 ./strace-static-x86_64: Process 595 attached [pid 595] set_robust_list(0x5555721e9760, 24) = 0 [pid 595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 595] setpgid(0, 0) = 0 [pid 595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 595] write(3, "1000", 4) = 4 [pid 595] close(3) = 0 [pid 595] write(1, "executing program\n", 18) = 18 executing program [pid 595] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 595] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 595] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 595] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 595] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[306]}, 88) = 306 [pid 595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 595] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 595] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 595] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 595] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[307]}, 88) = 307 [pid 595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 595] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 595] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 596 attached [pid 596] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 596] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 596] memfd_create("syzkaller", 0) = 3 [pid 596] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 596] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 596] munmap(0x7f0872468000, 138412032) = 0 [pid 596] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 596] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 596] ioctl(4, LOOP_CLR_FD) = 0 [pid 596] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 596] close(4) = 0 [pid 596] close(3./strace-static-x86_64: Process 597 attached ) = 0 [pid 596] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 596] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 597] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 597] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 597] openat(AT_FDCWD, "/selinux/policy", O_RDONLY) = 3 [pid 597] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 595] <... futex resumed>) = 0 [pid 595] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 595] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 596] <... futex resumed>) = 0 [pid 596] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 596] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 595] <... futex resumed>) = 0 [pid 595] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 595] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 596] <... futex resumed>) = 1 [pid 596] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 596] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 596] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 595] <... futex resumed>) = 0 [pid 595] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 595] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 596] <... futex resumed>) = 1 [pid 596] creat(0x200000000040, 000 [pid 597] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 596] <... creat resumed>) = 4 [pid 596] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 595] <... futex resumed>) = 0 [pid 595] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 595] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 596] <... futex resumed>) = 1 [pid 596] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 596] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 595] <... futex resumed>) = 0 [pid 595] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 595] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 596] <... futex resumed>) = 1 [pid 596] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 596] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 595] <... futex resumed>) = 0 [pid 595] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 595] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 596] <... futex resumed>) = 1 [pid 596] write(5, 0x200000000080, 34136651) = 131072 [pid 596] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 595] <... futex resumed>) = 0 [pid 595] close(3) = 0 [pid 595] close(4) = 0 [pid 595] close(5) = 0 [pid 595] close(6) = -1 EBADF (Bad file descriptor) [pid 595] close(7) = -1 EBADF (Bad file descriptor) [pid 595] close(8) = -1 EBADF (Bad file descriptor) [pid 595] close(9) = -1 EBADF (Bad file descriptor) [pid 595] close(10) = -1 EBADF (Bad file descriptor) [pid 595] close(11) = -1 EBADF (Bad file descriptor) [pid 595] close(12) = -1 EBADF (Bad file descriptor) [pid 595] close(13) = -1 EBADF (Bad file descriptor) [pid 595] close(14) = -1 EBADF (Bad file descriptor) [pid 595] close(15) = -1 EBADF (Bad file descriptor) [pid 595] close(16) = -1 EBADF (Bad file descriptor) [pid 595] close(17) = -1 EBADF (Bad file descriptor) [pid 595] close(18) = -1 EBADF (Bad file descriptor) [pid 595] close(19) = -1 EBADF (Bad file descriptor) [pid 595] close(20) = -1 EBADF (Bad file descriptor) [pid 595] close(21) = -1 EBADF (Bad file descriptor) [pid 595] close(22) = -1 EBADF (Bad file descriptor) [pid 595] close(23) = -1 EBADF (Bad file descriptor) [pid 595] close(24) = -1 EBADF (Bad file descriptor) [pid 595] close(25) = -1 EBADF (Bad file descriptor) [pid 595] close(26) = -1 EBADF (Bad file descriptor) [pid 595] close(27) = -1 EBADF (Bad file descriptor) [pid 595] close(28) = -1 EBADF (Bad file descriptor) [pid 595] close(29) = -1 EBADF (Bad file descriptor) [pid 595] exit_group(0) = ? [pid 596] <... futex resumed>) = ? [pid 596] +++ exited with 0 +++ [pid 597] <... futex resumed>) = ? [pid 597] +++ exited with 0 +++ [pid 595] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 308 ./strace-static-x86_64: Process 598 attached [pid 598] set_robust_list(0x5555721e9760, 24) = 0 [pid 598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 598] setpgid(0, 0) = 0 [pid 598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 598] write(3, "1000", 4) = 4 [pid 598] close(3) = 0 [pid 598] write(1, "executing program\n", 18executing program ) = 18 [pid 598] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 598] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 598] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 598] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 598] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[309]}, 88) = 309 [pid 598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 598] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 598] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 599 attached [pid 599] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 599] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 599] memfd_create("syzkaller", 0) = 3 [pid 599] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872489000 [pid 598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0872468000 [pid 598] mprotect(0x7f0872469000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 599] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 598] rt_sigprocmask(SIG_BLOCK, ~[], [pid 599] <... write resumed>) = 131072 [pid 598] <... rt_sigprocmask resumed>[], 8) = 0 [pid 599] munmap(0x7f0872489000, 138412032) = 0 [pid 598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0872488990, parent_tid=0x7f0872488990, exit_signal=0, stack=0x7f0872468000, stack_size=0x20240, tls=0x7f08724886c0} [pid 599] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 599] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 599] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 600 attached [pid 600] set_robust_list(0x7f08724889a0, 24) = 0 [pid 600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 600] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 598] <... clone3 resumed> => {parent_tid=[310]}, 88) = 310 [pid 599] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 599] close(4) = 0 [pid 598] rt_sigprocmask(SIG_SETMASK, [], [pid 599] close(3) = 0 [pid 599] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 599] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 598] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 600] <... futex resumed>) = 0 [pid 600] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 598] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 600] <... openat resumed>) = 3 [pid 600] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 598] <... futex resumed>) = 0 [pid 600] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 598] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 599] <... futex resumed>) = 0 [pid 598] <... futex resumed>) = 1 [pid 599] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 598] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 599] <... mmap resumed>) = 0x200000000000 [pid 599] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 599] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 598] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 599] <... futex resumed>) = 0 [pid 598] <... futex resumed>) = 1 [pid 599] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 599] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 599] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 599] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 598] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 598] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 599] <... futex resumed>) = 0 [pid 598] <... futex resumed>) = 1 [pid 599] creat(0x200000000040, 000 [pid 598] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 599] <... creat resumed>) = 4 [pid 599] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 598] <... futex resumed>) = 0 [pid 599] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 598] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 599] <... futex resumed>) = 0 [pid 598] <... futex resumed>) = 1 [pid 599] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 598] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 599] <... mount resumed>) = 0 [pid 599] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 598] <... futex resumed>) = 0 [pid 599] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 598] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 598] <... futex resumed>) = 0 [pid 599] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 598] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 599] <... open resumed>) = 5 [pid 599] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 598] <... futex resumed>) = 0 [pid 599] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 598] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 598] <... futex resumed>) = 0 [pid 599] write(5, 0x200000000080, 34136651 [pid 598] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 599] <... write resumed>) = 131072 [pid 599] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 598] <... futex resumed>) = 0 [pid 598] close(3) = 0 [pid 598] close(4) = 0 [pid 598] close(5) = 0 [pid 598] close(6) = -1 EBADF (Bad file descriptor) [pid 598] close(7) = -1 EBADF (Bad file descriptor) [pid 598] close(8) = -1 EBADF (Bad file descriptor) [pid 598] close(9) = -1 EBADF (Bad file descriptor) [pid 598] close(10) = -1 EBADF (Bad file descriptor) [pid 598] close(11) = -1 EBADF (Bad file descriptor) [pid 598] close(12) = -1 EBADF (Bad file descriptor) [pid 598] close(13) = -1 EBADF (Bad file descriptor) [pid 598] close(14) = -1 EBADF (Bad file descriptor) [pid 598] close(15) = -1 EBADF (Bad file descriptor) [pid 598] close(16) = -1 EBADF (Bad file descriptor) [pid 598] close(17) = -1 EBADF (Bad file descriptor) [pid 598] close(18) = -1 EBADF (Bad file descriptor) [pid 598] close(19) = -1 EBADF (Bad file descriptor) [pid 598] close(20) = -1 EBADF (Bad file descriptor) [pid 598] close(21) = -1 EBADF (Bad file descriptor) [pid 598] close(22) = -1 EBADF (Bad file descriptor) [pid 598] close(23) = -1 EBADF (Bad file descriptor) [pid 598] close(24) = -1 EBADF (Bad file descriptor) [pid 598] close(25) = -1 EBADF (Bad file descriptor) [pid 598] close(26) = -1 EBADF (Bad file descriptor) [pid 598] close(27) = -1 EBADF (Bad file descriptor) [pid 598] close(28) = -1 EBADF (Bad file descriptor) [pid 598] close(29) = -1 EBADF (Bad file descriptor) [pid 598] exit_group(0) = ? [pid 600] <... futex resumed>) = ? [pid 600] +++ exited with 0 +++ [pid 599] <... futex resumed>) = ? [pid 599] +++ exited with 0 +++ [pid 598] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 311 ./strace-static-x86_64: Process 601 attached [pid 601] set_robust_list(0x5555721e9760, 24) = 0 [pid 601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 601] setpgid(0, 0) = 0 [pid 601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 601] write(3, "1000", 4) = 4 [pid 601] close(3) = 0 executing program [pid 601] write(1, "executing program\n", 18) = 18 [pid 601] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 601] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 601] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 601] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 602 attached [pid 602] set_robust_list(0x7f087a8a99a0, 24 [pid 601] <... clone3 resumed> => {parent_tid=[312]}, 88) = 312 [pid 602] <... set_robust_list resumed>) = 0 [pid 602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 602] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 601] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 602] <... futex resumed>) = 0 [pid 602] memfd_create("syzkaller", 0) = 3 [pid 602] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872489000 [pid 601] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0872468000 [pid 601] mprotect(0x7f0872469000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0872488990, parent_tid=0x7f0872488990, exit_signal=0, stack=0x7f0872468000, stack_size=0x20240, tls=0x7f08724886c0} => {parent_tid=[313]}, 88) = 313 [pid 601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 602] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 601] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 601] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 603 attached [pid 602] <... write resumed>) = 131072 [pid 602] munmap(0x7f0872489000, 138412032 [pid 603] set_robust_list(0x7f08724889a0, 24) = 0 [pid 602] <... munmap resumed>) = 0 [pid 603] rt_sigprocmask(SIG_SETMASK, [], [pid 602] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 602] <... openat resumed>) = 4 [pid 602] ioctl(4, LOOP_SET_FD, 3 [pid 603] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 602] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 602] ioctl(4, LOOP_CLR_FD) = 0 [pid 602] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 602] close(4) = 0 [pid 602] close(3) = 0 [pid 602] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 602] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 603] <... openat resumed>) = 5 [pid 603] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 601] <... futex resumed>) = 0 [pid 601] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 602] <... futex resumed>) = 0 [pid 602] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 603] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 602] <... mmap resumed>) = 0x200000000000 [pid 602] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 602] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 601] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 601] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 602] <... futex resumed>) = 0 [pid 602] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 602] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 602] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 602] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 601] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 601] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 602] <... futex resumed>) = 0 [pid 602] creat(0x200000000040, 000 [pid 601] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 602] <... creat resumed>) = 3 [pid 602] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 602] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 601] <... futex resumed>) = 0 [pid 601] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 602] <... futex resumed>) = 0 [pid 602] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 601] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 602] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 602] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 601] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 602] <... futex resumed>) = 0 [pid 602] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 601] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 602] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 602] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 601] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 602] <... futex resumed>) = 0 [pid 602] write(4, 0x200000000080, 34136651 [pid 601] <... futex resumed>) = 1 [pid 601] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 602] <... write resumed>) = 131072 [pid 602] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 601] <... futex resumed>) = 0 [pid 601] close(3 [pid 602] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 601] <... close resumed>) = 0 [pid 601] close(4) = 0 [pid 601] close(5) = 0 [pid 601] close(6) = -1 EBADF (Bad file descriptor) [pid 601] close(7) = -1 EBADF (Bad file descriptor) [pid 601] close(8) = -1 EBADF (Bad file descriptor) [pid 601] close(9) = -1 EBADF (Bad file descriptor) [pid 601] close(10) = -1 EBADF (Bad file descriptor) [pid 601] close(11) = -1 EBADF (Bad file descriptor) [pid 601] close(12) = -1 EBADF (Bad file descriptor) [pid 601] close(13) = -1 EBADF (Bad file descriptor) [pid 601] close(14) = -1 EBADF (Bad file descriptor) [pid 601] close(15) = -1 EBADF (Bad file descriptor) [pid 601] close(16) = -1 EBADF (Bad file descriptor) [pid 601] close(17) = -1 EBADF (Bad file descriptor) [pid 601] close(18) = -1 EBADF (Bad file descriptor) [pid 601] close(19) = -1 EBADF (Bad file descriptor) [pid 601] close(20) = -1 EBADF (Bad file descriptor) [pid 601] close(21) = -1 EBADF (Bad file descriptor) [pid 601] close(22) = -1 EBADF (Bad file descriptor) [pid 601] close(23) = -1 EBADF (Bad file descriptor) [pid 601] close(24) = -1 EBADF (Bad file descriptor) [pid 601] close(25) = -1 EBADF (Bad file descriptor) [pid 601] close(26) = -1 EBADF (Bad file descriptor) [pid 601] close(27) = -1 EBADF (Bad file descriptor) [pid 601] close(28) = -1 EBADF (Bad file descriptor) [pid 601] close(29) = -1 EBADF (Bad file descriptor) [pid 601] exit_group(0 [pid 603] <... futex resumed>) = ? [pid 602] <... futex resumed>) = ? [pid 601] <... exit_group resumed>) = ? [pid 603] +++ exited with 0 +++ [pid 602] +++ exited with 0 +++ [pid 601] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 314 ./strace-static-x86_64: Process 604 attached [pid 604] set_robust_list(0x5555721e9760, 24) = 0 [pid 604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 604] setpgid(0, 0) = 0 [pid 604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 604] write(3, "1000", 4) = 4 [pid 604] close(3) = 0 [pid 604] write(1, "executing program\n", 18executing program ) = 18 [pid 604] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 604] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 604] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 604] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 604] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[315]}, 88) = 315 ./strace-static-x86_64: Process 605 attached [pid 604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 604] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 604] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 604] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 604] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[316]}, 88) = 316 [pid 605] set_robust_list(0x7f087a8a99a0, 24 [pid 604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 604] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 604] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 606 attached [pid 606] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 606] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 605] <... set_robust_list resumed>) = 0 [pid 605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 605] memfd_create("syzkaller", 0) = 4 [pid 605] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 605] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 605] munmap(0x7f0872468000, 138412032) = 0 [pid 605] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 605] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 605] ioctl(5, LOOP_CLR_FD) = 0 [pid 605] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 605] close(5 [pid 606] <... openat resumed>) = 3 [pid 606] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 604] <... futex resumed>) = 0 [pid 604] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 604] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 606] <... futex resumed>) = 1 [pid 606] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 606] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 604] <... futex resumed>) = 0 [pid 604] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 604] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 606] <... futex resumed>) = 1 [pid 606] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 606] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 606] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 604] <... futex resumed>) = 0 [pid 604] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 604] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 606] <... futex resumed>) = 1 [pid 606] creat(0x200000000040, 000) = 5 [pid 606] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 604] <... futex resumed>) = 0 [pid 604] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 604] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 606] <... futex resumed>) = 1 [pid 606] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 606] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 604] <... futex resumed>) = 0 [pid 604] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 604] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 606] <... futex resumed>) = 1 [pid 605] <... close resumed>) = 0 [pid 606] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 606] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 604] <... futex resumed>) = 0 [pid 604] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 604] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 606] <... futex resumed>) = 1 [pid 606] write(6, 0x200000000080, 34136651 [pid 605] close(4) = 0 [pid 605] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 605] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 606] <... write resumed>) = 131072 [pid 606] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 604] <... futex resumed>) = 0 [pid 604] close(3) = 0 [pid 604] close(4) = -1 EBADF (Bad file descriptor) [pid 604] close(5 [pid 606] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 604] <... close resumed>) = 0 [pid 604] close(6) = 0 [pid 604] close(7) = -1 EBADF (Bad file descriptor) [pid 604] close(8) = -1 EBADF (Bad file descriptor) [pid 604] close(9) = -1 EBADF (Bad file descriptor) [pid 604] close(10) = -1 EBADF (Bad file descriptor) [pid 604] close(11) = -1 EBADF (Bad file descriptor) [pid 604] close(12) = -1 EBADF (Bad file descriptor) [pid 604] close(13) = -1 EBADF (Bad file descriptor) [pid 604] close(14) = -1 EBADF (Bad file descriptor) [pid 604] close(15) = -1 EBADF (Bad file descriptor) [pid 604] close(16) = -1 EBADF (Bad file descriptor) [pid 604] close(17) = -1 EBADF (Bad file descriptor) [pid 604] close(18) = -1 EBADF (Bad file descriptor) [pid 604] close(19) = -1 EBADF (Bad file descriptor) [pid 604] close(20) = -1 EBADF (Bad file descriptor) [pid 604] close(21) = -1 EBADF (Bad file descriptor) [pid 604] close(22) = -1 EBADF (Bad file descriptor) [pid 604] close(23) = -1 EBADF (Bad file descriptor) [pid 604] close(24) = -1 EBADF (Bad file descriptor) [pid 604] close(25) = -1 EBADF (Bad file descriptor) [pid 604] close(26) = -1 EBADF (Bad file descriptor) [pid 604] close(27) = -1 EBADF (Bad file descriptor) [pid 604] close(28) = -1 EBADF (Bad file descriptor) [pid 604] close(29) = -1 EBADF (Bad file descriptor) [pid 604] exit_group(0) = ? [pid 605] <... futex resumed>) = ? [pid 606] <... futex resumed>) = ? [pid 605] +++ exited with 0 +++ [pid 606] +++ exited with 0 +++ [pid 604] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 317 ./strace-static-x86_64: Process 607 attached [pid 607] set_robust_list(0x5555721e9760, 24) = 0 [pid 607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 607] setpgid(0, 0) = 0 [pid 607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 607] write(3, "1000", 4) = 4 [pid 607] close(3) = 0 [pid 607] write(1, "executing program\n", 18executing program ) = 18 [pid 607] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 607] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 607] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 607] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 607] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[318]}, 88) = 318 [pid 607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 607] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 607] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 607] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 607] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[319]}, 88) = 319 [pid 607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 607] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 607] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 608 attached [pid 608] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 608] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 608] memfd_create("syzkaller", 0) = 3 [pid 608] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 608] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 608] munmap(0x7f0872468000, 138412032) = 0 [pid 608] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 608] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 608] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 609 attached [pid 609] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 609] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 608] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 608] close(4) = 0 [pid 608] close(3) = 0 [pid 608] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 608] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 609] <... openat resumed>) = 5 [pid 609] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 607] <... futex resumed>) = 0 [pid 607] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 607] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 608] <... futex resumed>) = 0 [pid 608] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 609] <... futex resumed>) = 1 [pid 609] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 608] <... mmap resumed>) = 0x200000000000 [pid 608] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 607] <... futex resumed>) = 0 [pid 607] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 607] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 608] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 608] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 608] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 607] <... futex resumed>) = 0 [pid 607] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 607] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 608] creat(0x200000000040, 000) = 3 [pid 608] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 607] <... futex resumed>) = 0 [pid 608] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 607] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 607] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 608] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 608] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 607] <... futex resumed>) = 0 [pid 607] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 607] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 608] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 608] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 607] <... futex resumed>) = 0 [pid 607] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 608] write(4, 0x200000000080, 34136651 [pid 607] <... futex resumed>) = 0 [pid 607] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 608] <... write resumed>) = 131072 [pid 608] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 607] <... futex resumed>) = 0 [pid 607] close(3 [pid 608] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 607] <... close resumed>) = 0 [pid 607] close(4) = 0 [pid 607] close(5) = 0 [pid 607] close(6) = -1 EBADF (Bad file descriptor) [pid 607] close(7) = -1 EBADF (Bad file descriptor) [pid 607] close(8) = -1 EBADF (Bad file descriptor) [pid 607] close(9) = -1 EBADF (Bad file descriptor) [pid 607] close(10) = -1 EBADF (Bad file descriptor) [pid 607] close(11) = -1 EBADF (Bad file descriptor) [pid 607] close(12) = -1 EBADF (Bad file descriptor) [pid 607] close(13) = -1 EBADF (Bad file descriptor) [pid 607] close(14) = -1 EBADF (Bad file descriptor) [pid 607] close(15) = -1 EBADF (Bad file descriptor) [pid 607] close(16) = -1 EBADF (Bad file descriptor) [pid 607] close(17) = -1 EBADF (Bad file descriptor) [pid 607] close(18) = -1 EBADF (Bad file descriptor) [pid 607] close(19) = -1 EBADF (Bad file descriptor) [pid 607] close(20) = -1 EBADF (Bad file descriptor) [pid 607] close(21) = -1 EBADF (Bad file descriptor) [pid 607] close(22) = -1 EBADF (Bad file descriptor) [pid 607] close(23) = -1 EBADF (Bad file descriptor) [pid 607] close(24) = -1 EBADF (Bad file descriptor) [pid 607] close(25) = -1 EBADF (Bad file descriptor) [pid 607] close(26) = -1 EBADF (Bad file descriptor) [pid 607] close(27) = -1 EBADF (Bad file descriptor) [pid 607] close(28) = -1 EBADF (Bad file descriptor) [pid 607] close(29) = -1 EBADF (Bad file descriptor) [pid 607] exit_group(0) = ? [pid 609] <... futex resumed>) = ? [pid 608] <... futex resumed>) = ? [pid 608] +++ exited with 0 +++ [pid 609] +++ exited with 0 +++ [pid 607] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 320 ./strace-static-x86_64: Process 610 attached [pid 610] set_robust_list(0x5555721e9760, 24) = 0 [pid 610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 610] setpgid(0, 0) = 0 [pid 610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 610] write(3, "1000", 4) = 4 [pid 610] close(3) = 0 [pid 610] write(1, "executing program\n", 18executing program ) = 18 [pid 610] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 610] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 610] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 610] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 610] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 610] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 611 attached [pid 611] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 610] <... clone3 resumed> => {parent_tid=[321]}, 88) = 321 [pid 611] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 610] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 611] <... futex resumed>) = 0 [pid 610] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 611] memfd_create("syzkaller", 0 [pid 610] <... mmap resumed>) = 0x7f087a868000 [pid 611] <... memfd_create resumed>) = 3 [pid 610] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE [pid 611] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 610] <... mprotect resumed>) = 0 [pid 611] <... mmap resumed>) = 0x7f0872468000 [pid 610] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 610] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[322]}, 88) = 322 [pid 610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 610] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 610] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 612 attached [pid 611] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 612] set_robust_list(0x7f087a8889a0, 24 [pid 611] <... write resumed>) = 131072 [pid 612] <... set_robust_list resumed>) = 0 [pid 611] munmap(0x7f0872468000, 138412032 [pid 612] rt_sigprocmask(SIG_SETMASK, [], [pid 611] <... munmap resumed>) = 0 [pid 612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 611] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 612] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 611] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 611] ioctl(4, LOOP_CLR_FD) = 0 [pid 611] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 611] close(4) = 0 [pid 611] close(3) = 0 [pid 611] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 611] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 612] <... openat resumed>) = 5 [pid 612] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 610] <... futex resumed>) = 0 [pid 610] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 611] <... futex resumed>) = 0 [pid 611] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 612] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 611] <... mmap resumed>) = 0x200000000000 [pid 610] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 611] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 610] <... futex resumed>) = 0 [pid 610] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 611] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 610] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 611] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 611] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 610] <... futex resumed>) = 0 [pid 610] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 610] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 611] creat(0x200000000040, 000) = 3 [pid 611] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 610] <... futex resumed>) = 0 [pid 610] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 610] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 611] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 611] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 610] <... futex resumed>) = 0 [pid 610] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 610] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 611] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 611] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 610] <... futex resumed>) = 0 [pid 610] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 610] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 611] write(4, 0x200000000080, 34136651) = 131072 [pid 611] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 610] <... futex resumed>) = 0 [pid 610] close(3) = 0 [pid 610] close(4) = 0 [pid 610] close(5) = 0 [pid 610] close(6) = -1 EBADF (Bad file descriptor) [pid 610] close(7) = -1 EBADF (Bad file descriptor) [pid 610] close(8) = -1 EBADF (Bad file descriptor) [pid 610] close(9) = -1 EBADF (Bad file descriptor) [pid 610] close(10) = -1 EBADF (Bad file descriptor) [pid 610] close(11) = -1 EBADF (Bad file descriptor) [pid 610] close(12) = -1 EBADF (Bad file descriptor) [pid 610] close(13) = -1 EBADF (Bad file descriptor) [pid 610] close(14) = -1 EBADF (Bad file descriptor) [pid 610] close(15) = -1 EBADF (Bad file descriptor) [pid 610] close(16) = -1 EBADF (Bad file descriptor) [pid 610] close(17) = -1 EBADF (Bad file descriptor) [pid 610] close(18) = -1 EBADF (Bad file descriptor) [pid 610] close(19) = -1 EBADF (Bad file descriptor) [pid 610] close(20) = -1 EBADF (Bad file descriptor) [pid 610] close(21) = -1 EBADF (Bad file descriptor) [pid 610] close(22) = -1 EBADF (Bad file descriptor) [pid 610] close(23) = -1 EBADF (Bad file descriptor) [pid 610] close(24) = -1 EBADF (Bad file descriptor) [pid 610] close(25) = -1 EBADF (Bad file descriptor) [pid 610] close(26) = -1 EBADF (Bad file descriptor) [pid 610] close(27) = -1 EBADF (Bad file descriptor) [pid 610] close(28) = -1 EBADF (Bad file descriptor) [pid 610] close(29) = -1 EBADF (Bad file descriptor) [pid 610] exit_group(0) = ? [pid 612] <... futex resumed>) = ? [pid 612] +++ exited with 0 +++ [pid 611] +++ exited with 0 +++ [pid 610] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 323 ./strace-static-x86_64: Process 613 attached [pid 613] set_robust_list(0x5555721e9760, 24) = 0 [pid 613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 613] setpgid(0, 0) = 0 [pid 613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 613] write(3, "1000", 4) = 4 [pid 613] close(3) = 0 [pid 613] write(1, "executing program\n", 18executing program ) = 18 [pid 613] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 613] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 613] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 613] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 613] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[324]}, 88) = 324 [pid 613] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 613] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 613] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 613] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 613] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[325]}, 88) = 325 [pid 613] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 613] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 613] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 614 attached ./strace-static-x86_64: Process 615 attached [pid 614] set_robust_list(0x7f087a8a99a0, 24 [pid 615] set_robust_list(0x7f087a8889a0, 24 [pid 614] <... set_robust_list resumed>) = 0 [pid 615] <... set_robust_list resumed>) = 0 [pid 614] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 614] memfd_create("syzkaller", 0) = 3 [pid 614] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 615] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 615] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 614] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 614] munmap(0x7f0872468000, 138412032) = 0 [pid 614] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 614] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 614] ioctl(5, LOOP_CLR_FD) = 0 [pid 614] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 614] close(5) = 0 [pid 614] close(3) = 0 [pid 614] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 614] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 615] <... openat resumed>) = 4 [pid 615] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 613] <... futex resumed>) = 0 [pid 613] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 613] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 614] <... futex resumed>) = 0 [pid 614] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 614] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 613] <... futex resumed>) = 0 [pid 613] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 613] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 614] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 614] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 614] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 613] <... futex resumed>) = 0 [pid 613] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 614] creat(0x200000000040, 000 [pid 613] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 614] <... creat resumed>) = 3 [pid 614] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 613] <... futex resumed>) = 0 [pid 614] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 613] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 613] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 614] <... mount resumed>) = 0 [pid 614] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 613] <... futex resumed>) = 0 [pid 614] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 613] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 614] <... open resumed>) = 5 [pid 613] <... futex resumed>) = 0 [pid 614] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 613] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 614] <... futex resumed>) = 0 [pid 613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 614] write(5, 0x200000000080, 34136651 [pid 613] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 615] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 613] <... futex resumed>) = 0 [pid 613] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 614] <... write resumed>) = 131072 [pid 614] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 613] <... futex resumed>) = 0 [pid 613] close(3) = 0 [pid 613] close(4) = 0 [pid 613] close(5) = 0 [pid 613] close(6) = -1 EBADF (Bad file descriptor) [pid 613] close(7) = -1 EBADF (Bad file descriptor) [pid 613] close(8) = -1 EBADF (Bad file descriptor) [pid 613] close(9) = -1 EBADF (Bad file descriptor) [pid 613] close(10) = -1 EBADF (Bad file descriptor) [pid 613] close(11) = -1 EBADF (Bad file descriptor) [pid 613] close(12) = -1 EBADF (Bad file descriptor) [pid 613] close(13) = -1 EBADF (Bad file descriptor) [pid 613] close(14) = -1 EBADF (Bad file descriptor) [pid 613] close(15) = -1 EBADF (Bad file descriptor) [pid 613] close(16) = -1 EBADF (Bad file descriptor) [pid 613] close(17) = -1 EBADF (Bad file descriptor) [pid 613] close(18) = -1 EBADF (Bad file descriptor) [pid 613] close(19) = -1 EBADF (Bad file descriptor) [pid 613] close(20) = -1 EBADF (Bad file descriptor) [pid 613] close(21) = -1 EBADF (Bad file descriptor) [pid 613] close(22) = -1 EBADF (Bad file descriptor) [pid 613] close(23) = -1 EBADF (Bad file descriptor) [pid 613] close(24) = -1 EBADF (Bad file descriptor) [pid 613] close(25) = -1 EBADF (Bad file descriptor) [pid 613] close(26) = -1 EBADF (Bad file descriptor) [pid 613] close(27) = -1 EBADF (Bad file descriptor) [pid 613] close(28) = -1 EBADF (Bad file descriptor) [pid 613] close(29) = -1 EBADF (Bad file descriptor) [pid 613] exit_group(0) = ? [pid 614] +++ exited with 0 +++ [pid 615] <... futex resumed>) = ? [pid 615] +++ exited with 0 +++ [pid 613] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x5555721e9750) = 326 ./strace-static-x86_64: Process 616 attached [pid 616] set_robust_list(0x5555721e9760, 24) = 0 [pid 616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 616] setpgid(0, 0) = 0 [pid 616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 616] write(3, "1000", 4) = 4 [pid 616] close(3) = 0 [pid 616] write(1, "executing program\n", 18) = 18 [pid 616] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 616] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 616] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 616] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 616] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[327]}, 88) = 327 [pid 616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 616] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 616] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 616] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 616] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[328]}, 88) = 328 [pid 616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 616] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 616] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 618 attached [pid 618] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 618] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 618] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 617 attached [pid 617] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 617] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 617] memfd_create("syzkaller", 0) = 4 [pid 617] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 617] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 617] munmap(0x7f0872468000, 138412032) = 0 [pid 617] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 617] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 617] ioctl(5, LOOP_CLR_FD) = 0 [pid 617] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 617] close(5) = 0 [pid 617] close(4) = 0 [pid 617] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 617] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 618] <... openat resumed>) = 3 [pid 618] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 616] <... futex resumed>) = 0 [pid 616] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 616] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 617] <... futex resumed>) = 0 [pid 617] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 617] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 616] <... futex resumed>) = 0 [pid 616] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 616] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 617] <... futex resumed>) = 1 [pid 617] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 618] <... futex resumed>) = 1 [pid 618] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 617] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 617] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 616] <... futex resumed>) = 0 [pid 616] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 616] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 617] <... futex resumed>) = 1 [pid 617] creat(0x200000000040, 000) = 4 [pid 617] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 616] <... futex resumed>) = 0 [pid 616] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 616] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 617] <... futex resumed>) = 1 [pid 617] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 617] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 616] <... futex resumed>) = 0 [pid 616] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 616] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 617] <... futex resumed>) = 1 [pid 617] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 617] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 616] <... futex resumed>) = 0 [pid 616] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 616] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 617] <... futex resumed>) = 1 [pid 617] write(5, 0x200000000080, 34136651) = 131072 [pid 617] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 616] <... futex resumed>) = 0 [pid 616] close(3) = 0 [pid 616] close(4) = 0 [pid 616] close(5) = 0 [pid 616] close(6) = -1 EBADF (Bad file descriptor) [pid 616] close(7) = -1 EBADF (Bad file descriptor) [pid 616] close(8) = -1 EBADF (Bad file descriptor) [pid 616] close(9) = -1 EBADF (Bad file descriptor) [pid 616] close(10) = -1 EBADF (Bad file descriptor) [pid 616] close(11) = -1 EBADF (Bad file descriptor) [pid 616] close(12) = -1 EBADF (Bad file descriptor) [pid 616] close(13) = -1 EBADF (Bad file descriptor) [pid 616] close(14) = -1 EBADF (Bad file descriptor) [pid 616] close(15) = -1 EBADF (Bad file descriptor) [pid 616] close(16) = -1 EBADF (Bad file descriptor) [pid 616] close(17) = -1 EBADF (Bad file descriptor) [pid 616] close(18) = -1 EBADF (Bad file descriptor) [pid 616] close(19) = -1 EBADF (Bad file descriptor) [pid 616] close(20) = -1 EBADF (Bad file descriptor) [pid 616] close(21) = -1 EBADF (Bad file descriptor) [pid 616] close(22) = -1 EBADF (Bad file descriptor) [pid 616] close(23) = -1 EBADF (Bad file descriptor) [pid 616] close(24) = -1 EBADF (Bad file descriptor) [pid 616] close(25) = -1 EBADF (Bad file descriptor) [pid 616] close(26) = -1 EBADF (Bad file descriptor) [pid 616] close(27) = -1 EBADF (Bad file descriptor) [pid 616] close(28) = -1 EBADF (Bad file descriptor) [pid 616] close(29) = -1 EBADF (Bad file descriptor) [pid 616] exit_group(0) = ? [pid 618] <... futex resumed>) = ? [pid 618] +++ exited with 0 +++ [pid 617] +++ exited with 0 +++ [pid 616] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x5555721e9750) = 329 ./strace-static-x86_64: Process 619 attached [pid 619] set_robust_list(0x5555721e9760, 24) = 0 [pid 619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 619] setpgid(0, 0) = 0 [pid 619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 619] write(3, "1000", 4) = 4 [pid 619] close(3) = 0 [pid 619] write(1, "executing program\n", 18) = 18 [pid 619] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 619] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 619] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 619] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 619] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[330]}, 88) = 330 [pid 619] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 619] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 619] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 619] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 619] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[331]}, 88) = 331 [pid 619] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 619] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 619] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 621 attached [pid 621] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 621] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 620 attached [pid 620] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 620] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 620] memfd_create("syzkaller", 0) = 4 [pid 620] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 620] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 621] <... openat resumed>) = 3 [pid 620] <... write resumed>) = 131072 [pid 621] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 619] <... futex resumed>) = 0 [pid 619] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 619] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 621] <... futex resumed>) = 1 [pid 621] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 621] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 619] <... futex resumed>) = 0 [pid 619] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 619] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 621] <... futex resumed>) = 1 [pid 621] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 621] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 621] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 619] <... futex resumed>) = 0 [pid 619] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 619] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 621] <... futex resumed>) = 1 [pid 621] creat(0x200000000040, 000) = 5 [pid 620] munmap(0x7f0872468000, 138412032 [pid 621] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 619] <... futex resumed>) = 0 [pid 619] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 619] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 621] <... futex resumed>) = 1 [pid 621] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 621] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 619] <... futex resumed>) = 0 [pid 619] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 619] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 621] <... futex resumed>) = 1 [pid 621] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 621] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 619] <... futex resumed>) = 0 [pid 619] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 619] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 621] <... futex resumed>) = 1 [pid 621] write(6, 0x200000000080, 34136651 [pid 620] <... munmap resumed>) = 0 [pid 620] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7 [pid 620] ioctl(7, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 621] <... write resumed>) = 131072 [pid 621] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 619] <... futex resumed>) = 0 [pid 621] <... futex resumed>) = 1 [pid 621] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 620] ioctl(7, LOOP_CLR_FD) = 0 [pid 620] ioctl(7, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 620] close(7) = 0 [pid 620] close(4) = 0 [pid 620] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 619] close(3) = 0 [pid 619] close(4) = -1 EBADF (Bad file descriptor) [pid 619] close(5) = 0 [pid 619] close(6) = 0 [pid 619] close(7) = -1 EBADF (Bad file descriptor) [pid 619] close(8) = -1 EBADF (Bad file descriptor) [pid 619] close(9) = -1 EBADF (Bad file descriptor) [pid 619] close(10) = -1 EBADF (Bad file descriptor) [pid 619] close(11) = -1 EBADF (Bad file descriptor) [pid 619] close(12) = -1 EBADF (Bad file descriptor) [pid 619] close(13) = -1 EBADF (Bad file descriptor) [pid 619] close(14) = -1 EBADF (Bad file descriptor) [pid 619] close(15) = -1 EBADF (Bad file descriptor) [pid 619] close(16) = -1 EBADF (Bad file descriptor) [pid 619] close(17) = -1 EBADF (Bad file descriptor) [pid 619] close(18) = -1 EBADF (Bad file descriptor) [pid 619] close(19) = -1 EBADF (Bad file descriptor) [pid 619] close(20) = -1 EBADF (Bad file descriptor) [pid 619] close(21) = -1 EBADF (Bad file descriptor) [pid 619] close(22) = -1 EBADF (Bad file descriptor) [pid 619] close(23) = -1 EBADF (Bad file descriptor) [pid 619] close(24) = -1 EBADF (Bad file descriptor) [pid 619] close(25) = -1 EBADF (Bad file descriptor) [pid 619] close(26) = -1 EBADF (Bad file descriptor) [pid 619] close(27) = -1 EBADF (Bad file descriptor) [pid 619] close(28) = -1 EBADF (Bad file descriptor) [pid 619] close(29) = -1 EBADF (Bad file descriptor) [pid 619] exit_group(0) = ? [pid 621] <... futex resumed>) = ? [pid 621] +++ exited with 0 +++ [pid 620] +++ exited with 0 +++ [pid 619] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=329, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3executing program ) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 332 ./strace-static-x86_64: Process 622 attached [pid 622] set_robust_list(0x5555721e9760, 24) = 0 [pid 622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 622] setpgid(0, 0) = 0 [pid 622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 622] write(3, "1000", 4) = 4 [pid 622] close(3) = 0 [pid 622] write(1, "executing program\n", 18) = 18 [pid 622] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 622] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 622] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 622] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 622] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 622] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[333]}, 88) = 333 [pid 622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 622] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 622] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 622] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 622] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 622] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[334]}, 88) = 334 [pid 622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 622] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 622] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 623 attached [pid 623] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 623] memfd_create("syzkaller", 0) = 3 [pid 623] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 ./strace-static-x86_64: Process 624 attached [pid 624] set_robust_list(0x7f087a8889a0, 24 [pid 623] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 624] <... set_robust_list resumed>) = 0 [pid 624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 624] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 623] <... write resumed>) = 131072 [pid 623] munmap(0x7f0872468000, 138412032) = 0 [pid 623] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 623] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 623] ioctl(5, LOOP_CLR_FD) = 0 [pid 623] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 623] close(5) = 0 [pid 623] close(3) = 0 [pid 623] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 623] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 624] <... openat resumed>) = 4 [pid 624] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 622] <... futex resumed>) = 0 [pid 622] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 622] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 623] <... futex resumed>) = 0 [pid 624] <... futex resumed>) = 1 [pid 623] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 624] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 623] <... mmap resumed>) = 0x200000000000 [pid 623] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 622] <... futex resumed>) = 0 [pid 622] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 622] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 623] <... futex resumed>) = 1 [pid 623] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 623] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 623] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 622] <... futex resumed>) = 0 [pid 622] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 622] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 623] creat(0x200000000040, 000) = 3 [pid 623] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 622] <... futex resumed>) = 0 [pid 622] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 622] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 623] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 623] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 622] <... futex resumed>) = 0 [pid 622] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 622] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 623] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 623] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 622] <... futex resumed>) = 0 [pid 622] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 622] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 623] write(5, 0x200000000080, 34136651) = 131072 [pid 623] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 622] <... futex resumed>) = 0 [pid 622] close(3 [pid 623] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 622] <... close resumed>) = 0 [pid 622] close(4) = 0 [pid 622] close(5) = 0 [pid 622] close(6) = -1 EBADF (Bad file descriptor) [pid 622] close(7) = -1 EBADF (Bad file descriptor) [pid 622] close(8) = -1 EBADF (Bad file descriptor) [pid 622] close(9) = -1 EBADF (Bad file descriptor) [pid 622] close(10) = -1 EBADF (Bad file descriptor) [pid 622] close(11) = -1 EBADF (Bad file descriptor) [pid 622] close(12) = -1 EBADF (Bad file descriptor) [pid 622] close(13) = -1 EBADF (Bad file descriptor) [pid 622] close(14) = -1 EBADF (Bad file descriptor) [pid 622] close(15) = -1 EBADF (Bad file descriptor) [pid 622] close(16) = -1 EBADF (Bad file descriptor) [pid 622] close(17) = -1 EBADF (Bad file descriptor) [pid 622] close(18) = -1 EBADF (Bad file descriptor) [pid 622] close(19) = -1 EBADF (Bad file descriptor) [pid 622] close(20) = -1 EBADF (Bad file descriptor) [pid 622] close(21) = -1 EBADF (Bad file descriptor) [pid 622] close(22) = -1 EBADF (Bad file descriptor) [pid 622] close(23) = -1 EBADF (Bad file descriptor) [pid 622] close(24) = -1 EBADF (Bad file descriptor) [pid 622] close(25) = -1 EBADF (Bad file descriptor) [pid 622] close(26) = -1 EBADF (Bad file descriptor) [pid 622] close(27) = -1 EBADF (Bad file descriptor) [pid 622] close(28) = -1 EBADF (Bad file descriptor) [pid 622] close(29) = -1 EBADF (Bad file descriptor) [pid 622] exit_group(0) = ? [pid 624] <... futex resumed>) = ? [pid 624] +++ exited with 0 +++ [pid 623] <... futex resumed>) = ? [pid 623] +++ exited with 0 +++ [pid 622] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=332, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 executing program [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 335 ./strace-static-x86_64: Process 625 attached [pid 625] set_robust_list(0x5555721e9760, 24) = 0 [pid 625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 625] setpgid(0, 0) = 0 [pid 625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 625] write(3, "1000", 4) = 4 [pid 625] close(3) = 0 [pid 625] write(1, "executing program\n", 18) = 18 [pid 625] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 625] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 625] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 625] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 625] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[336]}, 88) = 336 [pid 625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 625] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 625] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 625] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 625] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[337]}, 88) = 337 [pid 625] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 627 attached ./strace-static-x86_64: Process 626 attached NULL, 8) = 0 [pid 627] set_robust_list(0x7f087a8889a0, 24 [pid 626] set_robust_list(0x7f087a8a99a0, 24 [pid 625] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 627] <... set_robust_list resumed>) = 0 [pid 625] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 626] <... set_robust_list resumed>) = 0 [pid 627] rt_sigprocmask(SIG_SETMASK, [], [pid 626] rt_sigprocmask(SIG_SETMASK, [], [pid 627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 627] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 626] memfd_create("syzkaller", 0) = 4 [pid 626] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 626] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 626] munmap(0x7f0872468000, 138412032) = 0 [pid 626] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 626] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 626] ioctl(5, LOOP_CLR_FD) = 0 [pid 626] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 626] close(5) = 0 [pid 626] close(4) = 0 [pid 626] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 626] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 627] <... openat resumed>) = 3 [pid 627] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 627] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 625] <... futex resumed>) = 0 [pid 625] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 625] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 626] <... futex resumed>) = 0 [pid 626] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 626] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 625] <... futex resumed>) = 0 [pid 625] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 625] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 626] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 626] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 626] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 625] <... futex resumed>) = 0 [pid 625] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 625] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 626] creat(0x200000000040, 000) = 4 [pid 626] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 625] <... futex resumed>) = 0 [pid 625] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 625] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 626] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 626] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 625] <... futex resumed>) = 0 [pid 625] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 625] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 626] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 626] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 625] <... futex resumed>) = 0 [pid 625] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 625] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 626] write(5, 0x200000000080, 34136651) = 131072 [pid 626] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 625] <... futex resumed>) = 0 [pid 625] close(3) = 0 [pid 625] close(4) = 0 [pid 625] close(5) = 0 [pid 625] close(6) = -1 EBADF (Bad file descriptor) [pid 625] close(7) = -1 EBADF (Bad file descriptor) [pid 625] close(8) = -1 EBADF (Bad file descriptor) [pid 625] close(9) = -1 EBADF (Bad file descriptor) [pid 625] close(10) = -1 EBADF (Bad file descriptor) [pid 625] close(11) = -1 EBADF (Bad file descriptor) [pid 625] close(12) = -1 EBADF (Bad file descriptor) [pid 625] close(13) = -1 EBADF (Bad file descriptor) [pid 625] close(14) = -1 EBADF (Bad file descriptor) [pid 625] close(15) = -1 EBADF (Bad file descriptor) [pid 625] close(16) = -1 EBADF (Bad file descriptor) [pid 625] close(17) = -1 EBADF (Bad file descriptor) [pid 625] close(18) = -1 EBADF (Bad file descriptor) [pid 625] close(19) = -1 EBADF (Bad file descriptor) [pid 625] close(20) = -1 EBADF (Bad file descriptor) [pid 625] close(21) = -1 EBADF (Bad file descriptor) [pid 625] close(22) = -1 EBADF (Bad file descriptor) [pid 625] close(23) = -1 EBADF (Bad file descriptor) [pid 625] close(24) = -1 EBADF (Bad file descriptor) [pid 625] close(25) = -1 EBADF (Bad file descriptor) [pid 625] close(26) = -1 EBADF (Bad file descriptor) [pid 625] close(27) = -1 EBADF (Bad file descriptor) [pid 625] close(28) = -1 EBADF (Bad file descriptor) [pid 625] close(29) = -1 EBADF (Bad file descriptor) [pid 625] exit_group(0) = ? [pid 626] <... futex resumed>) = ? [pid 626] +++ exited with 0 +++ [pid 627] <... futex resumed>) = ? [pid 627] +++ exited with 0 +++ [pid 625] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=335, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 628 attached , child_tidptr=0x5555721e9750) = 338 [pid 628] set_robust_list(0x5555721e9760, 24) = 0 [pid 628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 628] setpgid(0, 0) = 0 [pid 628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 628] write(3, "1000", 4) = 4 [pid 628] close(3) = 0 [pid 628] write(1, "executing program\n", 18) = 18 [pid 628] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 628] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 628] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 628] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 628] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 628] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 628] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[339]}, 88) = 339 [pid 628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 628] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 628] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 628] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 628] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 628] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 628] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} => {parent_tid=[340]}, 88) = 340 [pid 628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 628] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 628] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 629 attached [pid 629] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 629] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 629] memfd_create("syzkaller", 0) = 3 [pid 629] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 629] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 629] munmap(0x7f0872468000, 138412032) = 0 [pid 629] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 629] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 629] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 630 attached [pid 630] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 630] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 629] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 629] close(4) = 0 [pid 629] close(3) = 0 [pid 629] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 629] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 630] <... openat resumed>) = 5 [pid 630] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 628] <... futex resumed>) = 0 [pid 630] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 628] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 629] <... futex resumed>) = 0 [pid 628] <... futex resumed>) = 1 [pid 629] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 628] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 629] <... mmap resumed>) = 0x200000000000 [pid 629] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 628] <... futex resumed>) = 0 [pid 629] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 628] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 629] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 628] <... futex resumed>) = 0 [pid 629] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 628] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 629] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 629] <... futex resumed>) = 0 [pid 628] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 629] creat(0x200000000040, 000 [pid 628] <... futex resumed>) = 0 [pid 629] <... creat resumed>) = 3 [pid 628] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 629] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 629] <... futex resumed>) = 0 [pid 628] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 629] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 628] <... futex resumed>) = 0 [pid 628] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 629] <... mount resumed>) = 0 [pid 629] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 628] <... futex resumed>) = 0 [pid 629] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 628] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 629] <... open resumed>) = 4 [pid 628] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 629] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 629] <... futex resumed>) = 0 [pid 628] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 629] write(4, 0x200000000080, 34136651 [pid 628] <... futex resumed>) = 0 [pid 628] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 629] <... write resumed>) = 131072 [pid 629] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 628] <... futex resumed>) = 0 [pid 628] close(3) = 0 [pid 629] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 628] close(4) = 0 [pid 628] close(5) = 0 [pid 628] close(6) = -1 EBADF (Bad file descriptor) [pid 628] close(7) = -1 EBADF (Bad file descriptor) [pid 628] close(8) = -1 EBADF (Bad file descriptor) [pid 628] close(9) = -1 EBADF (Bad file descriptor) [pid 628] close(10) = -1 EBADF (Bad file descriptor) [pid 628] close(11) = -1 EBADF (Bad file descriptor) [pid 628] close(12) = -1 EBADF (Bad file descriptor) [pid 628] close(13) = -1 EBADF (Bad file descriptor) [pid 628] close(14) = -1 EBADF (Bad file descriptor) [pid 628] close(15) = -1 EBADF (Bad file descriptor) [pid 628] close(16) = -1 EBADF (Bad file descriptor) [pid 628] close(17) = -1 EBADF (Bad file descriptor) [pid 628] close(18) = -1 EBADF (Bad file descriptor) [pid 628] close(19) = -1 EBADF (Bad file descriptor) [pid 628] close(20) = -1 EBADF (Bad file descriptor) [pid 628] close(21) = -1 EBADF (Bad file descriptor) [pid 628] close(22) = -1 EBADF (Bad file descriptor) [pid 628] close(23) = -1 EBADF (Bad file descriptor) [pid 628] close(24) = -1 EBADF (Bad file descriptor) [pid 628] close(25) = -1 EBADF (Bad file descriptor) [pid 628] close(26) = -1 EBADF (Bad file descriptor) [pid 628] close(27) = -1 EBADF (Bad file descriptor) [pid 628] close(28) = -1 EBADF (Bad file descriptor) [pid 628] close(29) = -1 EBADF (Bad file descriptor) [pid 628] exit_group(0 [pid 629] <... futex resumed>) = ? [pid 630] <... futex resumed>) = ? [pid 628] <... exit_group resumed>) = ? [pid 629] +++ exited with 0 +++ [pid 630] +++ exited with 0 +++ [pid 628] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=338, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 341 ./strace-static-x86_64: Process 631 attached [pid 631] set_robust_list(0x5555721e9760, 24) = 0 [pid 631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 631] setpgid(0, 0) = 0 [pid 631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 631] write(3, "1000", 4) = 4 [pid 631] close(3) = 0 [pid 631] write(1, "executing program\n", 18executing program ) = 18 [pid 631] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 631] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 631] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 631] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 631] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 631] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 632 attached => {parent_tid=[342]}, 88) = 342 [pid 632] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 632] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 632] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 631] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 632] <... futex resumed>) = 0 [pid 631] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 632] memfd_create("syzkaller", 0 [pid 631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 632] <... memfd_create resumed>) = 3 [pid 632] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 631] <... mmap resumed>) = 0x7f087a868000 [pid 632] <... mmap resumed>) = 0x7f0872468000 [pid 631] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 632] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 631] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 632] <... write resumed>) = 131072 [pid 631] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0} [pid 632] munmap(0x7f0872468000, 138412032./strace-static-x86_64: Process 633 attached [pid 631] <... clone3 resumed> => {parent_tid=[343]}, 88) = 343 [pid 633] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 633] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 633] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 631] rt_sigprocmask(SIG_SETMASK, [], [pid 632] <... munmap resumed>) = 0 [pid 631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 632] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 631] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 633] <... futex resumed>) = 0 [pid 631] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 632] <... openat resumed>) = 4 [pid 633] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 632] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 632] ioctl(4, LOOP_CLR_FD) = 0 [pid 632] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 632] close(4) = 0 [pid 632] close(3) = 0 [pid 632] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 632] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 633] <... openat resumed>) = 5 [pid 633] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 631] <... futex resumed>) = 0 [pid 633] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 631] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 631] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 632] <... futex resumed>) = 0 [pid 632] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 632] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 631] <... futex resumed>) = 0 [pid 631] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 631] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 632] <... futex resumed>) = 1 [pid 632] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 632] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 632] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 631] <... futex resumed>) = 0 [pid 631] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 631] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 632] <... futex resumed>) = 1 [pid 632] creat(0x200000000040, 000) = 3 [pid 632] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 631] <... futex resumed>) = 0 [pid 631] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 631] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 632] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 632] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 632] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 631] <... futex resumed>) = 0 [pid 631] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 631] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 632] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 632] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 631] <... futex resumed>) = 0 [pid 632] <... futex resumed>) = 1 [pid 632] write(4, 0x200000000080, 34136651 [pid 631] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 631] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 632] <... write resumed>) = 131072 [pid 632] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 631] <... futex resumed>) = 0 [pid 631] close(3 [pid 632] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 631] <... close resumed>) = 0 [pid 631] close(4) = 0 [pid 631] close(5) = 0 [pid 631] close(6) = -1 EBADF (Bad file descriptor) [pid 631] close(7) = -1 EBADF (Bad file descriptor) [pid 631] close(8) = -1 EBADF (Bad file descriptor) [pid 631] close(9) = -1 EBADF (Bad file descriptor) [pid 631] close(10) = -1 EBADF (Bad file descriptor) [pid 631] close(11) = -1 EBADF (Bad file descriptor) [pid 631] close(12) = -1 EBADF (Bad file descriptor) [pid 631] close(13) = -1 EBADF (Bad file descriptor) [pid 631] close(14) = -1 EBADF (Bad file descriptor) [pid 631] close(15) = -1 EBADF (Bad file descriptor) [pid 631] close(16) = -1 EBADF (Bad file descriptor) [pid 631] close(17) = -1 EBADF (Bad file descriptor) [pid 631] close(18) = -1 EBADF (Bad file descriptor) [pid 631] close(19) = -1 EBADF (Bad file descriptor) [pid 631] close(20) = -1 EBADF (Bad file descriptor) [pid 631] close(21) = -1 EBADF (Bad file descriptor) [pid 631] close(22) = -1 EBADF (Bad file descriptor) [pid 631] close(23) = -1 EBADF (Bad file descriptor) [pid 631] close(24) = -1 EBADF (Bad file descriptor) [pid 631] close(25) = -1 EBADF (Bad file descriptor) [pid 631] close(26) = -1 EBADF (Bad file descriptor) [pid 631] close(27) = -1 EBADF (Bad file descriptor) [pid 631] close(28) = -1 EBADF (Bad file descriptor) [pid 631] close(29) = -1 EBADF (Bad file descriptor) [pid 631] exit_group(0) = ? [pid 633] <... futex resumed>) = ? [pid 633] +++ exited with 0 +++ [pid 632] <... futex resumed>) = ? executing program [pid 632] +++ exited with 0 +++ [pid 631] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=341, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 344 ./strace-static-x86_64: Process 634 attached [pid 634] set_robust_list(0x5555721e9760, 24) = 0 [pid 634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 634] setpgid(0, 0) = 0 [pid 634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 634] write(3, "1000", 4) = 4 [pid 634] close(3) = 0 [pid 634] write(1, "executing program\n", 18) = 18 [pid 634] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 634] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 634] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 634] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 635 attached => {parent_tid=[345]}, 88) = 345 [pid 634] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 634] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 635] set_robust_list(0x7f087a8a99a0, 24 [pid 634] <... futex resumed>) = 0 [pid 634] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 634] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 635] <... set_robust_list resumed>) = 0 [pid 635] rt_sigprocmask(SIG_SETMASK, [], [pid 634] rt_sigprocmask(SIG_BLOCK, ~[], [pid 635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 635] memfd_create("syzkaller", 0) = 3 [pid 635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 634] <... rt_sigprocmask resumed>[], 8) = 0 [pid 634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0}./strace-static-x86_64: Process 636 attached [pid 636] set_robust_list(0x7f087a8889a0, 24) = 0 [pid 636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 636] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 634] <... clone3 resumed> => {parent_tid=[346]}, 88) = 346 [pid 635] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 634] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 634] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 636] <... futex resumed>) = 0 [pid 636] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 634] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 635] <... write resumed>) = 131072 [pid 635] munmap(0x7f0872468000, 138412032) = 0 [pid 635] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 635] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 635] ioctl(5, LOOP_CLR_FD) = 0 [pid 635] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 635] close(5) = 0 [pid 635] close(3) = 0 [pid 635] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 635] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 636] <... openat resumed>) = 4 [pid 636] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 634] <... futex resumed>) = 0 [pid 634] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 634] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 636] <... futex resumed>) = 1 [pid 636] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 635] <... futex resumed>) = 0 [pid 635] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 635] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 635] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 634] <... futex resumed>) = 0 [pid 634] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 634] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 635] <... futex resumed>) = 0 [pid 635] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 635] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 635] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 634] <... futex resumed>) = 0 [pid 634] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 634] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 635] creat(0x200000000040, 000) = 3 [pid 635] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 634] <... futex resumed>) = 0 [pid 634] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 634] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 635] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 635] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 635] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 634] <... futex resumed>) = 0 [pid 634] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 634] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 635] <... futex resumed>) = 0 [pid 635] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 635] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 634] <... futex resumed>) = 0 [pid 634] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 634] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 635] write(5, 0x200000000080, 34136651) = 131072 [pid 635] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 634] <... futex resumed>) = 0 [pid 634] close(3 [pid 635] <... futex resumed>) = 1 [pid 634] <... close resumed>) = 0 [pid 635] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 634] close(4) = 0 [pid 634] close(5) = 0 [pid 634] close(6) = -1 EBADF (Bad file descriptor) [pid 634] close(7) = -1 EBADF (Bad file descriptor) [pid 634] close(8) = -1 EBADF (Bad file descriptor) [pid 634] close(9) = -1 EBADF (Bad file descriptor) [pid 634] close(10) = -1 EBADF (Bad file descriptor) [pid 634] close(11) = -1 EBADF (Bad file descriptor) [pid 634] close(12) = -1 EBADF (Bad file descriptor) [pid 634] close(13) = -1 EBADF (Bad file descriptor) [pid 634] close(14) = -1 EBADF (Bad file descriptor) [pid 634] close(15) = -1 EBADF (Bad file descriptor) [pid 634] close(16) = -1 EBADF (Bad file descriptor) [pid 634] close(17) = -1 EBADF (Bad file descriptor) [pid 634] close(18) = -1 EBADF (Bad file descriptor) [pid 634] close(19) = -1 EBADF (Bad file descriptor) [pid 634] close(20) = -1 EBADF (Bad file descriptor) [pid 634] close(21) = -1 EBADF (Bad file descriptor) [pid 634] close(22) = -1 EBADF (Bad file descriptor) [pid 634] close(23) = -1 EBADF (Bad file descriptor) [pid 634] close(24) = -1 EBADF (Bad file descriptor) [pid 634] close(25) = -1 EBADF (Bad file descriptor) [pid 634] close(26) = -1 EBADF (Bad file descriptor) [pid 634] close(27) = -1 EBADF (Bad file descriptor) [pid 634] close(28) = -1 EBADF (Bad file descriptor) [pid 634] close(29) = -1 EBADF (Bad file descriptor) [pid 634] exit_group(0) = ? [pid 636] <... futex resumed>) = ? [pid 636] +++ exited with 0 +++ [pid 635] <... futex resumed>) = ? [pid 635] +++ exited with 0 +++ [pid 634] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=344, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555721e9750) = 347 ./strace-static-x86_64: Process 637 attached [pid 637] set_robust_list(0x5555721e9760, 24) = 0 [pid 637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 637] setpgid(0, 0) = 0 [pid 637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 637] write(3, "1000", 4) = 4 [pid 637] close(3) = 0 [pid 637] write(1, "executing program\n", 18executing program ) = 18 [pid 637] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 637] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 637] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 637] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 637] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0}./strace-static-x86_64: Process 638 attached => {parent_tid=[348]}, 88) = 348 [pid 638] set_robust_list(0x7f087a8a99a0, 24) = 0 [pid 638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 638] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 637] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 637] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 638] <... futex resumed>) = 0 [pid 637] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 638] memfd_create("syzkaller", 0) = 3 [pid 638] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872489000 [pid 637] <... futex resumed>) = 0 [pid 637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0872468000 [pid 637] mprotect(0x7f0872469000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 637] rt_sigprocmask(SIG_BLOCK, ~[], [pid 638] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 637] <... rt_sigprocmask resumed>[], 8) = 0 [pid 637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0872488990, parent_tid=0x7f0872488990, exit_signal=0, stack=0x7f0872468000, stack_size=0x20240, tls=0x7f08724886c0} [pid 638] <... write resumed>) = 131072 [pid 638] munmap(0x7f0872489000, 138412032) = 0 [pid 637] <... clone3 resumed> => {parent_tid=[349]}, 88) = 349 [pid 638] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 637] rt_sigprocmask(SIG_SETMASK, [], [pid 638] <... openat resumed>) = 4 [pid 638] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 638] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 639 attached [pid 639] set_robust_list(0x7f08724889a0, 24) = 0 [pid 639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 639] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 637] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 639] <... futex resumed>) = 0 [pid 639] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 638] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 638] close(4) = 0 [pid 638] close(3) = 0 [pid 638] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 638] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 637] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 639] <... openat resumed>) = 3 [pid 639] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 637] <... futex resumed>) = 0 [pid 637] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 639] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 638] <... futex resumed>) = 0 [pid 638] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 637] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 638] <... mmap resumed>) = 0x200000000000 [pid 638] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 638] <... futex resumed>) = 0 [pid 638] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 637] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 638] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 637] <... futex resumed>) = 0 [pid 638] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 637] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 638] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 638] <... futex resumed>) = 0 [pid 637] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 638] creat(0x200000000040, 000 [pid 637] <... futex resumed>) = 0 [pid 638] <... creat resumed>) = 4 [pid 637] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 638] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 638] <... futex resumed>) = 0 [pid 638] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 637] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 637] <... futex resumed>) = 0 [pid 638] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 637] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 638] <... mount resumed>) = 0 [pid 638] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 637] <... futex resumed>) = 0 [pid 638] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 637] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 637] <... futex resumed>) = 0 [pid 638] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 637] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 638] <... open resumed>) = 5 [pid 638] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 637] <... futex resumed>) = 0 [pid 638] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 637] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 637] <... futex resumed>) = 0 [pid 638] write(5, 0x200000000080, 34136651 [pid 637] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 638] <... write resumed>) = 131072 [pid 638] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 637] <... futex resumed>) = 0 [pid 638] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 637] close(3) = 0 [pid 637] close(4) = 0 [pid 637] close(5) = 0 [pid 637] close(6) = -1 EBADF (Bad file descriptor) [pid 637] close(7) = -1 EBADF (Bad file descriptor) [pid 637] close(8) = -1 EBADF (Bad file descriptor) [pid 637] close(9) = -1 EBADF (Bad file descriptor) [pid 637] close(10) = -1 EBADF (Bad file descriptor) [pid 637] close(11) = -1 EBADF (Bad file descriptor) [pid 637] close(12) = -1 EBADF (Bad file descriptor) [pid 637] close(13) = -1 EBADF (Bad file descriptor) [pid 637] close(14) = -1 EBADF (Bad file descriptor) [pid 637] close(15) = -1 EBADF (Bad file descriptor) [pid 637] close(16) = -1 EBADF (Bad file descriptor) [pid 637] close(17) = -1 EBADF (Bad file descriptor) [pid 637] close(18) = -1 EBADF (Bad file descriptor) [pid 637] close(19) = -1 EBADF (Bad file descriptor) [pid 637] close(20) = -1 EBADF (Bad file descriptor) [pid 637] close(21) = -1 EBADF (Bad file descriptor) [pid 637] close(22) = -1 EBADF (Bad file descriptor) [pid 637] close(23) = -1 EBADF (Bad file descriptor) [pid 637] close(24) = -1 EBADF (Bad file descriptor) [pid 637] close(25) = -1 EBADF (Bad file descriptor) [pid 637] close(26) = -1 EBADF (Bad file descriptor) [pid 637] close(27) = -1 EBADF (Bad file descriptor) [pid 637] close(28) = -1 EBADF (Bad file descriptor) [pid 637] close(29) = -1 EBADF (Bad file descriptor) [pid 637] exit_group(0) = ? [pid 639] <... futex resumed>) = ? [pid 638] <... futex resumed>) = ? [pid 638] +++ exited with 0 +++ [pid 639] +++ exited with 0 +++ [pid 637] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=347, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x5555721e9750) = 350 ./strace-static-x86_64: Process 640 attached [pid 640] set_robust_list(0x5555721e9760, 24) = 0 [pid 640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 640] setpgid(0, 0) = 0 [pid 640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 640] write(3, "1000", 4) = 4 [pid 640] close(3) = 0 [pid 640] write(1, "executing program\n", 18) = 18 [pid 640] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 640] rt_sigaction(SIGRT_1, {sa_handler=0x7f087a912f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f087a8bcbd0}, NULL, 8) = 0 [pid 640] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a889000 [pid 640] mprotect(0x7f087a88a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 640] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a8a9990, parent_tid=0x7f087a8a9990, exit_signal=0, stack=0x7f087a889000, stack_size=0x20240, tls=0x7f087a8a96c0} => {parent_tid=[351]}, 88) = 351 [pid 640] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 640] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 640] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f087a868000 [pid 640] mprotect(0x7f087a869000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 640] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f087a888990, parent_tid=0x7f087a888990, exit_signal=0, stack=0x7f087a868000, stack_size=0x20240, tls=0x7f087a8886c0}./strace-static-x86_64: Process 641 attached ./strace-static-x86_64: Process 642 attached [pid 641] set_robust_list(0x7f087a8a99a0, 24 [pid 640] <... clone3 resumed> => {parent_tid=[352]}, 88) = 352 [pid 642] set_robust_list(0x7f087a8889a0, 24 [pid 641] <... set_robust_list resumed>) = 0 [pid 640] rt_sigprocmask(SIG_SETMASK, [], [pid 642] <... set_robust_list resumed>) = 0 [pid 641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 641] memfd_create("syzkaller", 0 [pid 640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 641] <... memfd_create resumed>) = 3 [pid 641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0872468000 [pid 640] futex(0x7f087a976618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 640] futex(0x7f087a97661c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 642] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 641] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 641] munmap(0x7f0872468000, 138412032) = 0 [pid 641] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 641] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 641] ioctl(5, LOOP_CLR_FD) = 0 [pid 641] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 641] close(5) = 0 [pid 641] close(3) = 0 [pid 641] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 641] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 642] <... openat resumed>) = 4 [pid 642] futex(0x7f087a97661c, FUTEX_WAKE_PRIVATE, 1000000 [pid 640] <... futex resumed>) = 0 [pid 640] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 641] <... futex resumed>) = 0 [pid 640] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 641] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 641] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 640] <... futex resumed>) = 0 [pid 640] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 641] <... futex resumed>) = 1 [pid 640] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 641] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 641] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 641] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 640] <... futex resumed>) = 0 [pid 641] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 640] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 641] <... futex resumed>) = 0 [pid 641] creat(0x200000000040, 000 [pid 640] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 641] <... creat resumed>) = 3 [pid 641] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 640] <... futex resumed>) = 0 [pid 641] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 640] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 640] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 641] <... mount resumed>) = 0 [pid 641] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000 [pid 640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 641] <... futex resumed>) = 0 [pid 641] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 640] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 640] <... futex resumed>) = 0 [pid 640] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 641] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 642] <... futex resumed>) = 1 [pid 642] futex(0x7f087a976618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 641] <... open resumed>) = 5 [pid 641] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 641] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 640] <... futex resumed>) = 0 [pid 640] futex(0x7f087a976608, FUTEX_WAKE_PRIVATE, 1000000 [pid 641] <... futex resumed>) = 0 [pid 640] <... futex resumed>) = 1 [pid 641] write(5, 0x200000000080, 34136651 [pid 640] futex(0x7f087a97660c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 641] <... write resumed>) = 131072 [pid 641] futex(0x7f087a97660c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 640] <... futex resumed>) = 0 [pid 641] futex(0x7f087a976608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 640] close(3) = 0 [pid 640] close(4) = 0